/**
 * Event Management System - Public Styles
 * 
 * Unified styling using CSS custom properties for seamless theme integration.
 * When the Conference Starter theme is active, these styles automatically inherit
 * the theme's design tokens. Otherwise, sensible defaults are provided.
 *
 * @package    EventManagementSystem
 * @subpackage Public/CSS
 * @since      2.0.0
 * @version    2.0.0
 */

/* ==========================================================================
   CSS Custom Properties - EMS Design Tokens
   
   These variables provide fallback values when not using the Conference Starter
   theme. When the theme is active, these are overridden by theme variables.
   ========================================================================== */

:root {
    /* Typography fallbacks (theme provides --font-body, --font-heading) */
    --ems-font-body: var(--font-body, 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    --ems-font-heading: var(--font-heading, 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    --ems-font-size-base: var(--font-size-base, 14px);
    --ems-font-size-small: var(--font-size-small, 13px);
    --ems-line-height: var(--line-height-base, 1.7);
    
    /* Color fallbacks (theme provides --color-*) */
    --ems-color-primary: var(--color-primary, #222222);
    --ems-color-accent: var(--color-accent, #1EC6B6);
    --ems-color-accent-blue: var(--color-accent-blue, #007bff);
    --ems-color-text: var(--color-text, #444444);
    --ems-color-text-light: var(--color-text-light, #666666);
    --ems-color-text-dark: var(--color-text-dark, #222222);
    --ems-color-text-white: var(--color-text-white, #ffffff);
    --ems-color-background: var(--color-background, #ffffff);
    --ems-color-background-alt: var(--color-background-alt, #f9f9f9);
    --ems-color-border: var(--color-border, #dce0e0);
    
    /* Status colors */
    --ems-color-success: var(--color-success, #388e3c);
    --ems-color-warning: var(--color-warning, #f57c00);
    --ems-color-error: var(--color-error, #d32f2f);
    --ems-color-info: var(--color-info, #1976d2);
    
    /* Spacing fallbacks (theme provides --spacing-*) */
    --ems-spacing-xs: var(--spacing-xs, 5px);
    --ems-spacing-sm: var(--spacing-sm, 10px);
    --ems-spacing-md: var(--spacing-md, 15px);
    --ems-spacing-lg: var(--spacing-lg, 20px);
    --ems-spacing-xl: var(--spacing-xl, 25px);
    --ems-spacing-xxl: var(--spacing-xxl, 40px);
    
    /* Component fallbacks */
    --ems-border-radius: var(--border-radius, 5px);
    --ems-box-shadow: var(--box-shadow, 0 1px 30px rgba(0, 0, 0, 0.1));
    --ems-box-shadow-hover: var(--box-shadow-hover, 0 4px 40px rgba(0, 0, 0, 0.15));
    --ems-transition: var(--transition-base, 0.3s ease);
    --ems-transition-fast: var(--transition-fast, 0.2s linear);
}

/* ==========================================================================
   Base EMS Wrapper
   ========================================================================== */

.ems-wrapper {
    font-family: var(--ems-font-body);
    font-size: var(--ems-font-size-base);
    line-height: var(--ems-line-height);
    color: var(--ems-color-text);
}

/* ==========================================================================
   Event List & Cards
   ========================================================================== */

.ems-event-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--ems-spacing-lg);
    margin: var(--ems-spacing-lg) 0;
}

.ems-event-item,
.ems-event-card {
    background: var(--ems-color-background);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    box-shadow: var(--ems-box-shadow);
    padding: var(--ems-spacing-xl);
    transition: transform var(--ems-transition), box-shadow var(--ems-transition);
}

.ems-event-item:hover,
.ems-event-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--ems-box-shadow-hover);
}

.ems-event-item h3,
.ems-event-card h3 {
    font-family: var(--ems-font-heading);
    font-size: 1.25em;
    font-weight: 500;
    color: var(--ems-color-text-dark);
    margin: 0 0 var(--ems-spacing-sm) 0;
}

.ems-event-item h3 a,
.ems-event-card h3 a {
    color: inherit;
    text-decoration: none;
}

.ems-event-item h3 a:hover,
.ems-event-card h3 a:hover {
    color: var(--ems-color-accent);
}

.ems-event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ems-spacing-md);
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
    margin-top: var(--ems-spacing-sm);
}

.ems-event-meta-item {
    display: flex;
    align-items: center;
    gap: var(--ems-spacing-xs);
}

.ems-event-meta-item .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    color: var(--ems-color-accent-blue);
}

/* Event Details Section (on single event pages) */
.ems-event-details-section {
    margin-bottom: var(--ems-spacing-xxl);
}

.ems-event-details-section .ems-event-meta {
    background: var(--ems-color-background-alt);
    padding: var(--ems-spacing-lg);
    border-radius: var(--ems-border-radius);
    margin-bottom: var(--ems-spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--ems-spacing-md);
}

.ems-event-details-section .ems-event-meta > div {
    display: flex;
    flex-direction: column;
    gap: var(--ems-spacing-xs);
}

.ems-event-details-section .ems-event-meta strong {
    font-family: var(--ems-font-heading);
    font-size: var(--ems-font-size-small);
    font-weight: 600;
    color: var(--ems-color-text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.ems-form,
.ems-registration-form,
.ems-abstract-form,
.ems-abstract-submission-form {
    max-width: 700px;
}

.ems-form-group {
    margin-bottom: var(--ems-spacing-lg);
}

.ems-form-group label,
.ems-form label {
    display: block;
    margin-bottom: var(--ems-spacing-xs);
    font-family: var(--ems-font-heading);
    font-size: var(--ems-font-size-small);
    font-weight: 500;
    color: var(--ems-color-text-dark);
}

.ems-form-group label .required,
.ems-form label .required {
    color: var(--ems-color-error);
}

.ems-form-control,
.ems-form input[type="text"],
.ems-form input[type="email"],
.ems-form input[type="url"],
.ems-form input[type="password"],
.ems-form input[type="tel"],
.ems-form input[type="date"],
.ems-form input[type="number"],
.ems-form select,
.ems-form textarea {
    width: 100%;
    padding: var(--ems-spacing-sm) var(--ems-spacing-md);
    font-family: var(--ems-font-heading);
    font-size: var(--ems-font-size-base);
    line-height: 1.5;
    color: var(--ems-color-text);
    background: var(--ems-color-background);
    border: 1px solid var(--ems-color-primary);
    border-radius: var(--ems-border-radius);
    outline: none;
    transition: border-color var(--ems-transition), background var(--ems-transition);
    -webkit-appearance: none;
}

.ems-form-control:focus,
.ems-form input:focus,
.ems-form select:focus,
.ems-form textarea:focus {
    background: var(--ems-color-background-alt);
    border-color: var(--ems-color-accent);
    outline: 2px solid var(--ems-color-accent, #0073aa);
    outline-offset: 2px;
}

.ems-form textarea {
    min-height: 120px;
    resize: vertical;
}

.ems-form-help {
    display: block;
    margin-top: var(--ems-spacing-xs);
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
}

/* Form Row Layout */
.ems-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--ems-spacing-md);
}

/* File Upload Styling */
.ems-file-upload {
    position: relative;
    padding: var(--ems-spacing-lg);
    border: 2px dashed var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    text-align: center;
    background: var(--ems-color-background-alt);
    transition: border-color var(--ems-transition), background var(--ems-transition);
}

.ems-file-upload:hover {
    border-color: var(--ems-color-accent);
}

.ems-file-upload input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.ems-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ems-spacing-xs);
    padding: 0.6em 2em;
    font-family: var(--ems-font-heading);
    font-size: var(--ems-font-size-base);
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--ems-border-radius);
    cursor: pointer;
    transition: all var(--ems-transition-fast);
    -webkit-appearance: none;
}

.ems-btn:focus-visible {
    outline: 2px solid var(--ems-color-accent, #0073aa);
    outline-offset: 2px;
}

.ems-btn-primary {
    color: var(--ems-color-text-white);
    background: var(--ems-color-primary);
    border-color: var(--ems-color-primary);
}

.ems-btn-primary:hover {
    background: var(--ems-color-accent);
    border-color: var(--ems-color-accent);
    color: var(--ems-color-text-white);
}

.ems-btn-secondary {
    color: var(--ems-color-text-light);
    background: transparent;
    border-color: var(--ems-color-text-light);
}

.ems-btn-secondary:hover {
    color: var(--ems-color-text-white);
    background: var(--ems-color-accent);
    border-color: var(--ems-color-accent);
}

.ems-btn-accent {
    color: var(--ems-color-text-white);
    background: var(--ems-color-accent);
    border-color: var(--ems-color-accent);
}

.ems-btn-accent:hover {
    background: var(--ems-color-primary);
    border-color: var(--ems-color-primary);
}

.ems-btn-danger {
    color: var(--ems-color-text-white);
    background: var(--ems-color-error);
    border-color: var(--ems-color-error);
}

.ems-btn-danger:hover {
    background: #c62828;
    border-color: #c62828;
}

.ems-btn-success {
    color: var(--ems-color-text-white);
    background: var(--ems-color-success);
    border-color: var(--ems-color-success);
}

.ems-btn-success:hover {
    background: #2e7d32;
    border-color: #2e7d32;
}

/* Button Sizes */
.ems-btn-small {
    font-size: var(--ems-font-size-small);
    padding: 0.4em 1.2em;
}

.ems-btn-large {
    font-size: 16px;
    padding: 0.8em 2.5em;
}

/* Button States */
.ems-btn:disabled,
.ems-btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.ems-btn.loading {
    position: relative;
    color: transparent !important;
}

.ems-btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-top: -8px;
    margin-left: -8px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: ems-spin 0.6s linear infinite;
}

@keyframes ems-spin {
    to { transform: rotate(360deg); }
}

/* Button Group */
.ems-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ems-spacing-sm);
}

/* ==========================================================================
   Notices & Messages
   ========================================================================== */

.ems-notice,
.ems-error,
.ems-success,
.ems-warning,
.ems-info {
    padding: var(--ems-spacing-md) var(--ems-spacing-lg);
    border-radius: var(--ems-border-radius);
    margin-bottom: var(--ems-spacing-lg);
    border-left: 4px solid;
    font-size: var(--ems-font-size-base);
}

.ems-notice a,
.ems-error a,
.ems-success a,
.ems-warning a,
.ems-info a {
    color: inherit;
    text-decoration: underline;
}

.ems-notice,
.ems-notice-info,
.ems-info {
    background: #e3f2fd;
    color: #1565c0;
    border-color: var(--ems-color-info);
}

.ems-error,
.ems-notice-error {
    background: #ffebee;
    color: #c62828;
    border-color: var(--ems-color-error);
}

.ems-success,
.ems-notice-success {
    background: #e8f5e9;
    color: #2e7d32;
    border-color: var(--ems-color-success);
}

.ems-warning,
.ems-notice-warning {
    background: #fff3e0;
    color: #e65100;
    border-color: var(--ems-color-warning);
}

/* ==========================================================================
   Badges & Tags
   ========================================================================== */

.ems-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 15px;
    white-space: nowrap;
}

.ems-badge-primary {
    background: var(--ems-color-background-alt);
    color: var(--ems-color-accent-blue);
}

.ems-badge-success {
    background: #e8f5e9;
    color: var(--ems-color-success);
}

.ems-badge-warning {
    background: #fff3e0;
    color: var(--ems-color-warning);
}

.ems-badge-error {
    background: #ffebee;
    color: var(--ems-color-error);
}

/* Session Type Badges */
.ems-badge-keynote {
    background: #f3e5f5;
    color: #7b1fa2;
}

.ems-badge-workshop {
    background: #e8f5e9;
    color: var(--ems-color-success);
}

.ems-badge-panel {
    background: #fff3e0;
    color: var(--ems-color-warning);
}

.ems-badge-break {
    background: #e0e0e0;
    color: #616161;
}

/* ==========================================================================
   Tables
   ========================================================================== */

.ems-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--ems-spacing-lg);
}

.ems-table th,
.ems-table td {
    padding: var(--ems-spacing-sm) var(--ems-spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--ems-color-border);
}

.ems-table th {
    font-family: var(--ems-font-heading);
    font-weight: 600;
    color: var(--ems-color-text-dark);
    background: var(--ems-color-background-alt);
}

.ems-table tr:hover td {
    background: var(--ems-color-background-alt);
}

/* ==========================================================================
   Abstract Submission
   ========================================================================== */

.ems-abstract-submission-form h2 {
    font-family: var(--ems-font-heading);
    font-weight: 500;
    margin-bottom: var(--ems-spacing-lg);
    padding-bottom: var(--ems-spacing-md);
    border-bottom: 2px solid var(--ems-color-accent);
}

/* Abstract Event Selection */
.ems-abstract-event-selection h3 {
    font-family: var(--ems-font-heading);
    font-weight: 500;
    margin-bottom: var(--ems-spacing-sm);
}

.ems-event-option {
    padding: var(--ems-spacing-lg);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    background: var(--ems-color-background);
    transition: border-color var(--ems-transition), box-shadow var(--ems-transition);
}

.ems-event-option:hover {
    border-color: var(--ems-color-accent-blue);
    box-shadow: var(--ems-box-shadow);
}

.ems-event-option h4 {
    margin: 0 0 var(--ems-spacing-sm) 0;
    font-family: var(--ems-font-heading);
    font-weight: 500;
}

.ems-event-option h4 a {
    color: var(--ems-color-text-dark);
    text-decoration: none;
}

.ems-event-option h4 a:hover {
    color: var(--ems-color-accent);
}

/* ==========================================================================
   Presenter Dashboard
   ========================================================================== */

.ems-presenter-dashboard {
    margin: var(--ems-spacing-lg) 0;
}

.ems-presenter-dashboard h2 {
    font-family: var(--ems-font-heading);
    font-weight: 500;
    margin-bottom: var(--ems-spacing-lg);
}

.ems-abstract-item {
    background: var(--ems-color-background);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    padding: var(--ems-spacing-lg);
    margin-bottom: var(--ems-spacing-md);
    transition: box-shadow var(--ems-transition);
}

.ems-abstract-item:hover {
    box-shadow: var(--ems-box-shadow);
}

.ems-abstract-item h3 {
    font-family: var(--ems-font-heading);
    font-size: 1.1em;
    font-weight: 500;
    margin: 0 0 var(--ems-spacing-sm) 0;
}

.ems-abstract-status {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--ems-spacing-sm);
    margin-top: var(--ems-spacing-sm);
}

/* Status-specific badges */
.ems-status-pending {
    background: #fff3e0;
    color: var(--ems-color-warning);
}

.ems-status-approved {
    background: #e8f5e9;
    color: var(--ems-color-success);
}

.ems-status-rejected {
    background: #ffebee;
    color: var(--ems-color-error);
}

.ems-status-revision {
    background: #e3f2fd;
    color: var(--ems-color-info);
}

/* ==========================================================================
   My Registrations
   ========================================================================== */

.ems-my-registrations {
    margin: var(--ems-spacing-lg) 0;
}

.ems-registration-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--ems-spacing-md);
    padding: var(--ems-spacing-lg);
    background: var(--ems-color-background);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    margin-bottom: var(--ems-spacing-md);
    transition: box-shadow var(--ems-transition);
}

.ems-registration-item:hover {
    box-shadow: var(--ems-box-shadow);
}

.ems-registration-info {
    flex: 1;
    min-width: 200px;
}

.ems-registration-info h4 {
    margin: 0 0 var(--ems-spacing-xs) 0;
    font-family: var(--ems-font-heading);
    font-weight: 500;
}

.ems-registration-info h4 a {
    color: var(--ems-color-text-dark);
    text-decoration: none;
}

.ems-registration-info h4 a:hover {
    color: var(--ems-color-accent);
}

.ems-registration-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ems-spacing-md);
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
    margin-top: var(--ems-spacing-xs);
}

.ems-registration-actions {
    display: flex;
    gap: var(--ems-spacing-sm);
}

/* ==========================================================================
   Empty States
   ========================================================================== */

.ems-empty-state,
.ems-no-results,
.ems-no-sessions {
    text-align: center;
    padding: var(--ems-spacing-xxl);
    color: var(--ems-color-text-light);
}

.ems-empty-state h3 {
    font-family: var(--ems-font-heading);
    font-weight: 500;
    color: var(--ems-color-text);
    margin-bottom: var(--ems-spacing-sm);
}

.ems-empty-state p {
    margin-bottom: var(--ems-spacing-lg);
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.ems-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--ems-spacing-xxl);
}

.ems-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--ems-color-border);
    border-top-color: var(--ems-color-accent);
    border-radius: 50%;
    animation: ems-spin 0.8s linear infinite;
}

/* Skeleton Loading */
.ems-skeleton {
    background: linear-gradient(
        90deg,
        var(--ems-color-background-alt) 25%,
        var(--ems-color-border) 50%,
        var(--ems-color-background-alt) 75%
    );
    background-size: 200% 100%;
    animation: ems-skeleton-loading 1.5s infinite;
}

@keyframes ems-skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    .ems-event-list {
        grid-template-columns: 1fr;
    }
    
    .ems-form-row {
        grid-template-columns: 1fr;
    }
    
    .ems-registration-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .ems-registration-actions {
        justify-content: flex-start;
    }
    
    .ems-btn-group {
        flex-direction: column;
    }
    
    .ems-btn-group .ems-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .ems-event-details-section .ems-event-meta {
        grid-template-columns: 1fr;
    }
    
    .ems-abstract-status {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ==========================================================================
   Sponsor Portal Styles (Phase 4)
   ========================================================================== */

.ems-sponsor-portal {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--ems-spacing-lg);
}

.ems-sponsor-header {
    margin-bottom: var(--ems-spacing-xl);
    padding-bottom: var(--ems-spacing-lg);
    border-bottom: 2px solid var(--ems-color-border);
}

.ems-sponsor-header h1 {
    margin: 0 0 var(--ems-spacing-sm) 0;
    font-family: var(--ems-font-heading);
    color: var(--ems-color-primary);
}

.ems-sponsor-description {
    color: var(--ems-color-text-light);
    margin: 0;
}

/* Statistics Dashboard */
.ems-sponsor-statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--ems-spacing-md);
    margin-bottom: var(--ems-spacing-xl);
}

.ems-stat-card {
    background: var(--ems-color-background-alt);
    padding: var(--ems-spacing-lg);
    border-radius: var(--ems-border-radius);
    border: 1px solid var(--ems-color-border);
    text-align: center;
}

.ems-stat-value {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--ems-color-accent);
    margin-bottom: var(--ems-spacing-xs);
}

.ems-stat-label {
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Events Section */
.ems-sponsor-events-section {
    margin-bottom: var(--ems-spacing-xl);
}

.ems-sponsor-events-section h2 {
    font-family: var(--ems-font-heading);
    margin-bottom: var(--ems-spacing-md);
}

.ems-sponsor-events-list {
    display: grid;
    gap: var(--ems-spacing-lg);
}

.ems-sponsor-event-card {
    background: var(--ems-color-background);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    padding: var(--ems-spacing-lg);
    transition: box-shadow 0.3s ease;
}

.ems-sponsor-event-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.ems-event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--ems-spacing-sm);
}

.ems-event-header h3 {
    margin: 0;
    font-size: 1.3em;
    color: var(--ems-color-primary);
}

.ems-sponsor-level-badge {
    background: var(--ems-color-accent);
    color: var(--ems-color-text-white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: var(--ems-font-size-small);
    font-weight: 600;
}

.ems-event-date {
    margin: var(--ems-spacing-xs) 0;
    color: var(--ems-color-text-light);
}

.ems-event-actions {
    margin-top: var(--ems-spacing-md);
}

/* Files Section */
.ems-event-files {
    margin-top: var(--ems-spacing-lg);
    padding-top: var(--ems-spacing-lg);
    border-top: 1px solid var(--ems-color-border);
}

.ems-event-files h4 {
    margin: 0 0 var(--ems-spacing-md) 0;
    color: var(--ems-color-text-dark);
}

.ems-file-upload-section {
    background: var(--ems-color-background-alt);
    padding: var(--ems-spacing-lg);
    border-radius: var(--ems-border-radius);
    margin-bottom: var(--ems-spacing-lg);
}

.ems-file-upload-section h5 {
    margin: 0 0 var(--ems-spacing-md) 0;
    font-size: 1.1em;
}

.ems-sponsor-file-upload-form .ems-form-group {
    margin-bottom: var(--ems-spacing-md);
}

.ems-sponsor-file-upload-form label {
    display: block;
    margin-bottom: var(--ems-spacing-xs);
    font-weight: 600;
    color: var(--ems-color-text-dark);
}

.ems-sponsor-file-upload-form input[type="file"],
.ems-sponsor-file-upload-form textarea {
    width: 100%;
    padding: var(--ems-spacing-sm);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
}

.ems-field-help {
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
    margin: var(--ems-spacing-xs) 0 0 0;
}

.ems-upload-status {
    margin-top: var(--ems-spacing-md);
}

/* Files Table */
.ems-files-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--ems-color-background);
}

.ems-files-table th,
.ems-files-table td {
    padding: var(--ems-spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--ems-color-border);
}

.ems-files-table th {
    background: var(--ems-color-background-alt);
    font-weight: 600;
    color: var(--ems-color-text-dark);
}

.ems-files-table tr:hover {
    background: var(--ems-color-background-alt);
}

.ems-files-table td small {
    color: var(--ems-color-text-light);
}

/* Buttons */
.ems-toggle-files,
.ems-button {
    display: inline-block;
    padding: var(--ems-spacing-sm) var(--ems-spacing-md);
    background: var(--ems-color-accent);
    color: var(--ems-color-text-white);
    border: none;
    border-radius: var(--ems-border-radius);
    cursor: pointer;
    font-size: var(--ems-font-size-base);
    transition: background-color 0.3s ease;
    text-decoration: none;
}

.ems-toggle-files:hover,
.ems-button:hover {
    background: var(--ems-color-accent-blue);
}

.ems-button-primary {
    background: var(--ems-color-accent-blue);
}

.ems-button-primary:hover {
    background: #0056b3;
}

.ems-button-small {
    padding: 6px 12px;
    font-size: var(--ems-font-size-small);
}

.ems-button-danger {
    background: var(--ems-color-error);
}

.ems-button-danger:hover {
    background: #b71c1c;
}

.ems-no-files,
.ems-no-results {
    color: var(--ems-color-text-light);
    font-style: italic;
    padding: var(--ems-spacing-md);
    text-align: center;
}

/* Waitlist Option Styles */
.ems-waitlist-option {
    margin-top: var(--ems-spacing-sm);
}

.ems-waitlist-option label {
    cursor: pointer;
    user-select: none;
}

.ems-waitlist-option input[type="checkbox"] {
    width: auto;
    margin-right: var(--ems-spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    .ems-sponsor-statistics {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ems-event-header {
        flex-direction: column;
    }
    
    .ems-sponsor-level-badge {
        margin-top: var(--ems-spacing-xs);
    }
    
    .ems-files-table {
        font-size: var(--ems-font-size-small);
    }
    
    .ems-files-table th,
    .ems-files-table td {
        padding: var(--ems-spacing-sm);
    }
}

@media (max-width: 480px) {
    .ems-sponsor-statistics {
        grid-template-columns: 1fr;
    }

    .ems-files-table thead {
        display: none;
    }

    .ems-files-table tr {
        display: block;
        margin-bottom: var(--ems-spacing-md);
        border: 1px solid var(--ems-color-border);
        border-radius: var(--ems-border-radius);
    }

    .ems-files-table td {
        display: block;
        text-align: right;
        padding: var(--ems-spacing-xs) var(--ems-spacing-sm);
        border-bottom: 1px dotted var(--ems-color-border);
    }

    .ems-files-table td:before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--ems-color-text-dark);
    }
}

/* ==========================================================================
   Multi-Step Form Framework (Phase 4)
   ========================================================================== */

/* Form wrapper */
.ems-multi-step-form {
    max-width: 800px;
    margin: 0 auto var(--ems-spacing-xxl);
}

/* Step content */
.ems-form-step {
    margin-bottom: var(--ems-spacing-lg);
}

.ems-form-step__title {
    font-family: var(--ems-font-heading);
    font-weight: 500;
    font-size: 1.3em;
    margin: 0 0 var(--ems-spacing-lg) 0;
    padding-bottom: var(--ems-spacing-md);
    border-bottom: 2px solid var(--ems-color-accent);
    color: var(--ems-color-text-dark);
}

/* Hide validation rules div */
.ems-step-validation-rules {
    display: none;
}

/* --------------------------------------------------------------------------
   Progress Indicator
   -------------------------------------------------------------------------- */

.ems-form-progress {
    margin-bottom: var(--ems-spacing-xl);
}

.ems-form-progress__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: space-between;
    position: relative;
    counter-reset: step;
}

/* Connector line between steps */
.ems-form-progress__list::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 30px;
    right: 30px;
    height: 2px;
    background: var(--ems-color-border);
    z-index: 0;
}

.ems-form-progress__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
    text-align: center;
}

.ems-form-progress__step span,
.ems-form-progress__step button {
    background: none;
    border: none;
    padding: 0;
    cursor: default;
    font: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ems-progress-step-btn {
    cursor: pointer !important;
}

.ems-progress-step-btn:hover .ems-form-progress__number {
    background: var(--ems-color-accent);
    color: var(--ems-color-text-white);
    border-color: var(--ems-color-accent);
}

.ems-form-progress__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-family: var(--ems-font-heading);
    font-weight: 600;
    font-size: 14px;
    background: var(--ems-color-background);
    border: 2px solid var(--ems-color-border);
    color: var(--ems-color-text-light);
    transition: all var(--ems-transition);
    margin-bottom: var(--ems-spacing-xs);
}

.ems-form-progress__title {
    font-family: var(--ems-font-heading);
    font-size: 12px;
    font-weight: 500;
    color: var(--ems-color-text-light);
    /* max-width may truncate long titles; PHP adds title attribute for full text on hover */
    max-width: 100px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--ems-transition);
}

.ems-form-progress__check {
    font-size: 16px;
    line-height: 1;
}

/* Active step */
.ems-form-progress__step--active .ems-form-progress__number {
    background: var(--ems-color-primary);
    border-color: var(--ems-color-primary);
    color: var(--ems-color-text-white);
}

.ems-form-progress__step--active .ems-form-progress__title {
    color: var(--ems-color-text-dark);
    font-weight: 600;
}

/* Completed step */
.ems-form-progress__step--complete .ems-form-progress__number {
    background: var(--ems-color-success);
    border-color: var(--ems-color-success);
    color: var(--ems-color-text-white);
}

.ems-form-progress__step--complete .ems-form-progress__title {
    color: var(--ems-color-success);
}

/* Pending step */
.ems-form-progress__step--pending .ems-form-progress__number {
    background: var(--ems-color-background);
    border-color: var(--ems-color-border);
    color: var(--ems-color-text-light);
}

/* --------------------------------------------------------------------------
   Form Fields (renderer output)
   -------------------------------------------------------------------------- */

.ems-form-field {
    margin-bottom: var(--ems-spacing-lg);
}

.ems-form-field--hidden {
    margin-bottom: 0;
}

.ems-form-field label {
    display: block;
    margin-bottom: var(--ems-spacing-xs);
    font-family: var(--ems-font-heading);
    font-size: var(--ems-font-size-small);
    font-weight: 500;
    color: var(--ems-color-text-dark);
}

.ems-required {
    color: var(--ems-color-error);
    font-weight: 700;
}

/* Multiselect / Radio / Checkbox groups */
.ems-multiselect-group,
.ems-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--ems-spacing-sm);
    margin-top: var(--ems-spacing-xs);
}

.ems-checkbox-label,
.ems-radio-label {
    display: flex;
    align-items: center;
    gap: var(--ems-spacing-xs);
    font-weight: normal;
    cursor: pointer;
    font-size: var(--ems-font-size-base);
}

.ems-checkbox-label input[type="checkbox"],
.ems-radio-label input[type="radio"] {
    width: auto;
    margin: 0;
}

/* Conditional group */
.ems-conditional-group {
    padding: var(--ems-spacing-md);
    margin: var(--ems-spacing-sm) 0;
    border-left: 3px solid var(--ems-color-accent);
    background: var(--ems-color-background-alt);
    border-radius: 0 var(--ems-border-radius) var(--ems-border-radius) 0;
}

/* Field error styling */
.ems-field-error {
    display: none;
    color: var(--ems-color-error);
    font-size: var(--ems-font-size-small);
    margin-top: var(--ems-spacing-xs);
}

.ems-field-error:not(:empty) {
    display: block;
}

.ems-input-error {
    border-color: var(--ems-color-error) !important;
    background: #fff5f5 !important;
}

/* Current file indicator for file uploads */
.ems-file-current {
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
    margin-top: var(--ems-spacing-xs);
}

/* --------------------------------------------------------------------------
   Form Navigation
   -------------------------------------------------------------------------- */

.ems-form-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--ems-spacing-xl);
    padding-top: var(--ems-spacing-lg);
    border-top: 1px solid var(--ems-color-border);
}

/* --------------------------------------------------------------------------
   Review Step
   -------------------------------------------------------------------------- */

.ems-form-review {
    margin-bottom: var(--ems-spacing-lg);
}

.ems-form-review__title {
    font-family: var(--ems-font-heading);
    font-weight: 500;
    font-size: 1.3em;
    margin: 0 0 var(--ems-spacing-sm) 0;
    color: var(--ems-color-text-dark);
}

.ems-form-review__description {
    color: var(--ems-color-text-light);
    margin-bottom: var(--ems-spacing-lg);
}

.ems-form-review__section {
    background: var(--ems-color-background);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    padding: var(--ems-spacing-lg);
    margin-bottom: var(--ems-spacing-md);
}

.ems-form-review__section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--ems-spacing-md);
    padding-bottom: var(--ems-spacing-sm);
    border-bottom: 1px solid var(--ems-color-border);
}

.ems-form-review__section-header h4 {
    margin: 0;
    font-family: var(--ems-font-heading);
    font-weight: 600;
    color: var(--ems-color-text-dark);
}

.ems-form-review__data {
    margin: 0;
}

.ems-form-review__item {
    display: flex;
    padding: var(--ems-spacing-sm) 0;
    border-bottom: 1px dotted var(--ems-color-border);
}

.ems-form-review__item:last-child {
    border-bottom: none;
}

.ems-form-review__item dt {
    flex: 0 0 40%;
    font-weight: 500;
    color: var(--ems-color-text-dark);
    font-size: var(--ems-font-size-small);
}

.ems-form-review__item dd {
    flex: 1;
    margin: 0;
    color: var(--ems-color-text);
    word-break: break-word;
}

.ems-form-review__confirm {
    margin-top: var(--ems-spacing-lg);
    padding: var(--ems-spacing-lg);
    background: var(--ems-color-background-alt);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
}

/* --------------------------------------------------------------------------
   Multi-Step Form Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .ems-form-progress__list {
        flex-direction: column;
        gap: var(--ems-spacing-sm);
    }

    .ems-form-progress__list::before {
        display: none;
    }

    .ems-form-progress__step {
        flex-direction: row;
        text-align: left;
        gap: var(--ems-spacing-sm);
    }

    .ems-form-progress__number {
        width: 32px;
        height: 32px;
        font-size: 12px;
        flex-shrink: 0;
        margin-bottom: 0;
    }

    .ems-form-progress__title {
        max-width: none;
        white-space: normal;
        font-size: var(--ems-font-size-small);
    }

    .ems-form-progress__step span,
    .ems-form-progress__step button {
        flex-direction: row;
        gap: var(--ems-spacing-sm);
    }

    .ems-form-review__item {
        flex-direction: column;
        gap: var(--ems-spacing-xs);
    }

    .ems-form-review__item dt {
        flex: none;
    }

    .ems-form-navigation {
        flex-direction: column-reverse;
        gap: var(--ems-spacing-sm);
    }

    .ems-form-navigation .ems-btn {
        width: 100%;
    }
}

/* ==========================================================================
   Sponsor Level Pills (Phase 7)
   ========================================================================== */

.ems-sponsor-level-pill {
    display: inline-block;
    padding: 4px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 20px;
    white-space: nowrap;
    line-height: 1.4;
    vertical-align: middle;
}

/* Named level modifiers (fallbacks when inline styles not used) */
.ems-sponsor-level-pill--bronze {
    background-color: #CD7F32;
    color: #ffffff;
}

.ems-sponsor-level-pill--silver {
    background-color: #C0C0C0;
    color: #333333;
}

.ems-sponsor-level-pill--gold {
    background-color: #FFD700;
    color: #333333;
}

.ems-sponsor-level-pill--platinum {
    background-color: #E5E4E2;
    color: #333333;
}

/* ==========================================================================
   Event Sponsors Display (Phase 7 - Task 7.1)
   ========================================================================== */

.ems-event-sponsors {
    margin: var(--ems-spacing-lg) 0;
}

.ems-event-sponsors__level-group {
    margin-bottom: var(--ems-spacing-xl);
}

.ems-event-sponsors__level-header {
    margin-bottom: var(--ems-spacing-md);
}

.ems-event-sponsors__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ems-spacing-lg);
    align-items: center;
}

.ems-event-sponsors__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--ems-color-text);
    transition: transform var(--ems-transition), opacity var(--ems-transition);
    max-width: 180px;
}

.ems-event-sponsors__item:hover {
    transform: translateY(-2px);
    opacity: 0.85;
}

.ems-event-sponsors__logo {
    width: 120px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--ems-spacing-xs);
}

.ems-event-sponsors__logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.ems-event-sponsors__name {
    font-size: var(--ems-font-size-small);
    text-align: center;
    color: var(--ems-color-text-dark);
    font-weight: 500;
}

/* ==========================================================================
   Sponsor Logo Carousel (Phase 7 - Task 7.2)
   ========================================================================== */

.ems-sponsor-carousel {
    position: relative;
    margin: var(--ems-spacing-lg) 0;
    padding: 0 50px;
    outline: none;
}

.ems-sponsor-carousel__track-wrapper {
    overflow: hidden;
}

.ems-sponsor-carousel__track {
    display: flex;
    transition: transform 0.4s ease;
}

.ems-sponsor-carousel__slide {
    flex: 0 0 16.6667%;
    max-width: 16.6667%;
    padding: var(--ems-spacing-sm);
    box-sizing: border-box;
}

.ems-sponsor-carousel__slide a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    padding: var(--ems-spacing-sm);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    background: var(--ems-color-background);
    transition: box-shadow var(--ems-transition), border-color var(--ems-transition);
    text-decoration: none;
}

.ems-sponsor-carousel__slide a:hover {
    box-shadow: var(--ems-box-shadow);
    border-color: var(--ems-color-accent);
}

.ems-sponsor-carousel__slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.ems-sponsor-carousel__placeholder {
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
    text-align: center;
    padding: var(--ems-spacing-sm);
    word-break: break-word;
}

/* Carousel Navigation Arrows */
.ems-sponsor-carousel__prev,
.ems-sponsor-carousel__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: 2px solid var(--ems-color-border);
    border-radius: 50%;
    background: var(--ems-color-background);
    color: var(--ems-color-text);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--ems-transition), border-color var(--ems-transition), color var(--ems-transition);
    z-index: 2;
    padding: 0;
}

.ems-sponsor-carousel__prev:hover,
.ems-sponsor-carousel__next:hover {
    background: var(--ems-color-accent);
    border-color: var(--ems-color-accent);
    color: var(--ems-color-text-white);
}

.ems-sponsor-carousel__prev:focus-visible,
.ems-sponsor-carousel__next:focus-visible {
    outline: 2px solid var(--ems-color-accent);
    outline-offset: 2px;
}

.ems-sponsor-carousel__prev {
    left: 0;
}

.ems-sponsor-carousel__next {
    right: 0;
}

.ems-sponsor-carousel__arrow--dimmed {
    opacity: 0.4;
}

/* Carousel Dot Indicators */
.ems-sponsor-carousel__dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--ems-spacing-md);
}

.ems-sponsor-carousel__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--ems-color-border);
    background: transparent;
    cursor: pointer;
    padding: 0;
    transition: background var(--ems-transition), border-color var(--ems-transition);
}

.ems-sponsor-carousel__dot:hover {
    border-color: var(--ems-color-accent);
}

.ems-sponsor-carousel__dot--active {
    background: var(--ems-color-accent);
    border-color: var(--ems-color-accent);
}

.ems-sponsor-carousel__dot:focus-visible {
    outline: 2px solid var(--ems-color-accent);
    outline-offset: 2px;
}

/* Carousel Pause/Play Button */
.ems-sponsor-carousel__pause {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    z-index: 2;
    font-size: 14px;
    line-height: 1;
    padding: 0;
    transition: background var(--ems-transition);
}

.ems-sponsor-carousel__pause:hover,
.ems-sponsor-carousel__pause:focus-visible {
    background: rgba(0, 0, 0, 0.7);
    outline: 2px solid var(--ems-color-accent, #0073aa);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .ems-sponsor-carousel__track {
        transition: none !important;
    }
}

/* ==========================================================================
   Sponsor Logo Gallery (Phase 7 - Task 7.3)
   ========================================================================== */

.ems-sponsor-gallery {
    margin: var(--ems-spacing-lg) 0;
}

.ems-sponsor-gallery--grouped .ems-sponsor-gallery__level-section {
    margin-bottom: var(--ems-spacing-xl);
}

.ems-sponsor-gallery__level-header {
    margin-bottom: var(--ems-spacing-md);
}

.ems-sponsor-gallery__grid {
    display: grid;
    grid-template-columns: repeat(var(--ems-gallery-columns, 4), 1fr);
    gap: var(--ems-spacing-lg);
}

.ems-sponsor-gallery__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--ems-color-text);
    padding: var(--ems-spacing-md);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    background: var(--ems-color-background);
    transition: box-shadow var(--ems-transition), transform var(--ems-transition);
}

.ems-sponsor-gallery__item:hover {
    box-shadow: var(--ems-box-shadow-hover);
    transform: translateY(-2px);
}

.ems-sponsor-gallery__logo {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--ems-spacing-sm);
}

.ems-sponsor-gallery__logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.ems-sponsor-gallery__logo--placeholder {
    background: var(--ems-color-background-alt);
    border-radius: var(--ems-border-radius);
}

.ems-sponsor-gallery__logo--placeholder span {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--ems-color-text-light);
}

.ems-sponsor-gallery__name {
    font-size: var(--ems-font-size-small);
    font-weight: 500;
    text-align: center;
    color: var(--ems-color-text-dark);
}

/* ==========================================================================
   Sponsorship Levels Cards (Phase 7 - Task 7.7)
   ========================================================================== */

.ems-sponsor-levels {
    margin: var(--ems-spacing-lg) 0;
}

.ems-sponsor-levels__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--ems-spacing-lg);
}

.ems-sponsor-levels__card {
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    overflow: hidden;
    background: var(--ems-color-background);
    box-shadow: var(--ems-box-shadow);
    transition: transform var(--ems-transition), box-shadow var(--ems-transition);
}

.ems-sponsor-levels__card:hover {
    transform: translateY(-3px);
    box-shadow: var(--ems-box-shadow-hover);
}

.ems-sponsor-levels__card--sold-out {
    opacity: 0.75;
}

.ems-sponsor-levels__header {
    padding: var(--ems-spacing-lg);
    text-align: center;
}

.ems-sponsor-levels__name {
    margin: 0;
    font-family: var(--ems-font-heading);
    font-size: 1.3em;
    font-weight: 600;
}

.ems-sponsor-levels__body {
    padding: var(--ems-spacing-lg);
    text-align: center;
}

.ems-sponsor-levels__value {
    margin-bottom: var(--ems-spacing-md);
}

.ems-sponsor-levels__currency {
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
    text-transform: uppercase;
    display: block;
    margin-bottom: var(--ems-spacing-xs);
}

.ems-sponsor-levels__amount {
    font-size: 2.2em;
    font-weight: 700;
    color: var(--ems-color-text-dark);
    font-family: var(--ems-font-heading);
}

.ems-sponsor-levels__slots {
    margin-bottom: var(--ems-spacing-md);
}

.ems-sponsor-levels__slots-text {
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
}

.ems-sponsor-levels__sold-out-text {
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-error);
    font-weight: 600;
}

.ems-sponsor-levels__recognition {
    margin-bottom: var(--ems-spacing-lg);
    padding: var(--ems-spacing-md);
    background: var(--ems-color-background-alt);
    border-radius: var(--ems-border-radius);
    text-align: left;
}

.ems-sponsor-levels__recognition p {
    margin: 0;
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text);
    line-height: 1.6;
}

.ems-sponsor-levels__action {
    margin-top: var(--ems-spacing-md);
}

.ems-sponsor-levels__sold-out-badge {
    font-size: 14px;
    padding: 8px 20px;
}

/* ==========================================================================
   Single Sponsor Template (Phase 7 - Task 7.4)
   ========================================================================== */

.ems-single-sponsor {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--ems-spacing-lg);
}

.ems-single-sponsor__header {
    display: flex;
    gap: var(--ems-spacing-xl);
    align-items: flex-start;
    margin-bottom: var(--ems-spacing-xxl);
    padding-bottom: var(--ems-spacing-xl);
    border-bottom: 2px solid var(--ems-color-border);
}

.ems-single-sponsor__logo {
    flex: 0 0 200px;
}

.ems-single-sponsor__logo-img {
    max-width: 200px;
    max-height: 150px;
    object-fit: contain;
    border-radius: var(--ems-border-radius);
}

.ems-single-sponsor__title-wrap {
    flex: 1;
}

.ems-single-sponsor__title {
    margin: 0 0 var(--ems-spacing-md) 0;
    font-family: var(--ems-font-heading);
    font-size: 2em;
    font-weight: 600;
    color: var(--ems-color-text-dark);
}

.ems-single-sponsor__website-link {
    margin-top: var(--ems-spacing-sm);
}

.ems-single-sponsor__description,
.ems-single-sponsor__events,
.ems-single-sponsor__contact {
    margin-bottom: var(--ems-spacing-xxl);
}

.ems-single-sponsor__description h2,
.ems-single-sponsor__events h2,
.ems-single-sponsor__contact h2 {
    font-family: var(--ems-font-heading);
    font-weight: 500;
    margin: 0 0 var(--ems-spacing-md) 0;
    padding-bottom: var(--ems-spacing-sm);
    border-bottom: 2px solid var(--ems-color-accent);
    font-size: 1.4em;
    color: var(--ems-color-text-dark);
}

.ems-single-sponsor__content {
    line-height: 1.8;
    color: var(--ems-color-text);
}

/* Events Sponsored List */
.ems-single-sponsor__events-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ems-single-sponsor__event-item {
    display: flex;
    align-items: center;
    gap: var(--ems-spacing-sm);
    padding: var(--ems-spacing-sm) 0;
    border-bottom: 1px solid var(--ems-color-border);
}

.ems-single-sponsor__event-item:last-child {
    border-bottom: none;
}

.ems-single-sponsor__event-item a {
    color: var(--ems-color-text-dark);
    text-decoration: none;
    font-weight: 500;
}

.ems-single-sponsor__event-item a:hover {
    color: var(--ems-color-accent);
}

/* Contact Details */
.ems-single-sponsor__contact-details {
    display: grid;
    gap: var(--ems-spacing-md);
}

.ems-single-sponsor__contact-item {
    display: flex;
    gap: var(--ems-spacing-sm);
}

.ems-single-sponsor__contact-item strong {
    flex: 0 0 80px;
    color: var(--ems-color-text-dark);
}

.ems-single-sponsor__contact-item a {
    color: var(--ems-color-accent);
    text-decoration: none;
}

.ems-single-sponsor__contact-item a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Sponsor Carousel - Single Mode (Phase 7 - Task 7.8)
   ========================================================================== */

.ems-sponsor-carousel--single {
    max-width: 100%;
    padding: 0 50px;
}

.ems-sponsor-carousel--single .ems-sponsor-carousel__slide {
    flex: 0 0 100%;
    max-width: 100%;
    padding: var(--ems-spacing-md);
}

.ems-sponsor-carousel--single .ems-sponsor-carousel__slide a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: auto;
    max-height: 300px;
    padding: var(--ems-spacing-lg);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    background: var(--ems-color-background);
}

.ems-sponsor-carousel--single .ems-sponsor-carousel__slide img {
    max-width: 100%;
    max-height: 260px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.ems-sponsor-carousel--single .ems-sponsor-carousel__placeholder {
    font-size: var(--ems-font-size-base);
    padding: var(--ems-spacing-lg);
}

.ems-sponsor-carousel__sponsor-name {
    display: block;
    text-align: center;
    font-size: var(--ems-font-size-small);
    font-weight: 500;
    color: var(--ems-color-text-dark);
    margin-top: var(--ems-spacing-sm);
}

/* ==========================================================================
   Sponsor Grid (Phase 7 - Task 7.8)
   ========================================================================== */

.ems-sponsor-grid {
    margin: var(--ems-spacing-lg) 0;
}

.ems-sponsor-grid__level-section {
    margin-bottom: var(--ems-spacing-xl);
}

.ems-sponsor-grid__level-header {
    margin-bottom: var(--ems-spacing-md);
}

.ems-sponsor-grid__items {
    display: grid;
    grid-template-columns: repeat(var(--ems-grid-columns, 4), 1fr);
    gap: var(--ems-spacing-lg);
}

.ems-sponsor-grid__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--ems-color-text);
    padding: var(--ems-spacing-md);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    background: var(--ems-color-background);
    transition: box-shadow var(--ems-transition), transform var(--ems-transition);
}

.ems-sponsor-grid__item:hover {
    box-shadow: var(--ems-box-shadow-hover);
    transform: translateY(-2px);
}

.ems-sponsor-grid__logo {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--ems-spacing-sm);
}

.ems-sponsor-grid__logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.ems-sponsor-grid__logo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--ems-color-background-alt);
    border-radius: var(--ems-border-radius);
    font-size: 2.5em;
    font-weight: 700;
    color: var(--ems-color-text-light);
}

.ems-sponsor-grid__name {
    font-size: var(--ems-font-size-small);
    font-weight: 500;
    text-align: center;
    color: var(--ems-color-text-dark);
}

/* ==========================================================================
   Phase 7 Responsive
   ========================================================================== */

@media (max-width: 768px) {
    /* Carousel: 4 slides on tablet */
    .ems-sponsor-carousel {
        padding: 0 40px;
    }

    .ems-sponsor-carousel__prev,
    .ems-sponsor-carousel__next {
        width: 34px;
        height: 34px;
        font-size: 20px;
    }

    /* Gallery: max 2 columns on tablet */
    .ems-sponsor-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Grid: max 2 columns on tablet */
    .ems-sponsor-grid__items {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Single mode carousel: smaller max-height */
    .ems-sponsor-carousel--single .ems-sponsor-carousel__slide a {
        max-height: 220px;
        padding: var(--ems-spacing-md);
    }

    .ems-sponsor-carousel--single .ems-sponsor-carousel__slide img {
        max-height: 180px;
    }

    /* Single sponsor: stack header */
    .ems-single-sponsor__header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .ems-single-sponsor__logo {
        flex: none;
    }

    /* Sponsor levels: single column */
    .ems-sponsor-levels__grid {
        grid-template-columns: 1fr;
    }

    /* Event sponsors: smaller logos */
    .ems-event-sponsors__logo {
        width: 90px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    /* Carousel: 2 slides on mobile */
    .ems-sponsor-carousel {
        padding: 0 35px;
    }

    .ems-sponsor-carousel__prev,
    .ems-sponsor-carousel__next {
        width: 30px;
        height: 30px;
        font-size: 18px;
    }

    /* Gallery: single column on small mobile */
    .ems-sponsor-gallery__grid {
        grid-template-columns: 1fr;
    }

    /* Grid: single column on small mobile */
    .ems-sponsor-grid__items {
        grid-template-columns: 1fr;
    }

    /* Single mode carousel: compact on mobile */
    .ems-sponsor-carousel--single {
        padding: 0 35px;
    }

    .ems-sponsor-carousel--single .ems-sponsor-carousel__slide a {
        max-height: 160px;
        padding: var(--ems-spacing-sm);
    }

    .ems-sponsor-carousel--single .ems-sponsor-carousel__slide img {
        max-height: 130px;
    }

    /* Contact: stack */
    .ems-single-sponsor__contact-item {
        flex-direction: column;
        gap: var(--ems-spacing-xs);
    }

    .ems-single-sponsor__contact-item strong {
        flex: none;
    }
}

/* ==========================================================================
   Sponsor Portal Enhancements (Phase 8)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Portal Tab Navigation
   -------------------------------------------------------------------------- */

.ems-portal-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--ems-color-border);
    margin-bottom: var(--ems-spacing-xl);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.ems-portal-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--ems-spacing-xs);
    padding: var(--ems-spacing-md) var(--ems-spacing-lg);
    border: none;
    border-bottom: 3px solid transparent;
    background: none;
    cursor: pointer;
    font-family: var(--ems-font-heading);
    font-size: var(--ems-font-size-base);
    font-weight: 500;
    color: var(--ems-color-text-light);
    white-space: nowrap;
    transition: color var(--ems-transition), border-color var(--ems-transition);
    margin-bottom: -2px;
}

.ems-portal-tab:hover {
    color: var(--ems-color-text-dark);
    border-bottom-color: var(--ems-color-border);
}

.ems-portal-tab--active {
    color: var(--ems-color-accent);
    border-bottom-color: var(--ems-color-accent);
    font-weight: 600;
}

.ems-portal-tab:focus-visible {
    outline: 2px solid var(--ems-color-accent);
    outline-offset: -2px;
}

.ems-portal-tab__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--ems-color-accent);
    color: var(--ems-color-text-white);
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
}

/* Tab Content */
.ems-portal-tab-content {
    display: none;
}

.ems-portal-tab-content--active {
    display: block;
}

/* --------------------------------------------------------------------------
   Organisation Profile (Task 8.1)
   -------------------------------------------------------------------------- */

.ems-sponsor-profile-section {
    margin-bottom: var(--ems-spacing-xl);
}

.ems-profile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--ems-spacing-lg);
}

.ems-profile-header h2 {
    margin: 0;
    font-family: var(--ems-font-heading);
}

.ems-profile-section {
    margin-bottom: var(--ems-spacing-xl);
    padding-bottom: var(--ems-spacing-lg);
    border-bottom: 1px solid var(--ems-color-border);
}

.ems-profile-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.ems-profile-section h3 {
    font-family: var(--ems-font-heading);
    font-size: 1.1em;
    font-weight: 600;
    color: var(--ems-color-text-dark);
    margin: 0 0 var(--ems-spacing-md) 0;
    padding-bottom: var(--ems-spacing-sm);
    border-bottom: 2px solid var(--ems-color-accent);
}

.ems-profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--ems-spacing-sm) var(--ems-spacing-lg);
}

.ems-profile-field {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--ems-spacing-sm) 0;
}

.ems-profile-field dt {
    font-size: var(--ems-font-size-small);
    font-weight: 600;
    color: var(--ems-color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ems-profile-field dd {
    margin: 0;
    color: var(--ems-color-text);
    word-break: break-word;
}

.ems-profile-field dd a {
    color: var(--ems-color-accent);
    text-decoration: none;
}

.ems-profile-field dd a:hover {
    text-decoration: underline;
}

.ems-profile-empty {
    color: var(--ems-color-text-light);
    font-style: italic;
}

/* Profile Edit Mode */
.ems-hidden {
    display: none !important;
}

.ems-profile-actions {
    display: flex;
    gap: var(--ems-spacing-md);
    margin-top: var(--ems-spacing-lg);
    padding-top: var(--ems-spacing-lg);
    border-top: 1px solid var(--ems-color-border);
}

.ems-profile-save-status {
    margin-top: var(--ems-spacing-md);
}

/* --------------------------------------------------------------------------
   EOI Status Badges (Task 8.2)
   -------------------------------------------------------------------------- */

.ems-badge-eoi-pending {
    background: #fff3e0;
    color: #e65100;
}

.ems-badge-eoi-approved {
    background: #e8f5e9;
    color: #2e7d32;
}

.ems-badge-eoi-rejected {
    background: #ffebee;
    color: #c62828;
}

.ems-badge-eoi-info {
    background: #e3f2fd;
    color: #1565c0;
}

/* --------------------------------------------------------------------------
   Sponsorship Applications Table (Task 8.2)
   -------------------------------------------------------------------------- */

.ems-sponsor-applications-section {
    margin-bottom: var(--ems-spacing-xl);
}

.ems-sponsor-applications-section h2 {
    font-family: var(--ems-font-heading);
    margin-bottom: var(--ems-spacing-lg);
}

.ems-eoi-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.ems-eoi-table {
    min-width: 600px;
}

.ems-eoi-details-row {
    background: transparent !important;
}

.ems-eoi-details-row td {
    padding: 0 !important;
    border-bottom: none !important;
}

.ems-eoi-details-row:hover td {
    background: transparent !important;
}

.ems-eoi-details {
    padding: var(--ems-spacing-lg);
    background: var(--ems-color-background-alt);
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    margin: var(--ems-spacing-sm) var(--ems-spacing-md) var(--ems-spacing-md);
}

/* EOI Detail Content (AJAX loaded) */
.ems-eoi-detail-content {
    padding: var(--ems-spacing-sm) 0;
}

.ems-eoi-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--ems-spacing-lg);
}

.ems-eoi-detail-section {
    background: var(--ems-color-background);
    padding: var(--ems-spacing-md);
    border-radius: var(--ems-border-radius);
    border: 1px solid var(--ems-color-border);
}

.ems-eoi-detail-section h4 {
    margin: 0 0 var(--ems-spacing-md) 0;
    font-family: var(--ems-font-heading);
    font-size: 1em;
    font-weight: 600;
    color: var(--ems-color-text-dark);
    padding-bottom: var(--ems-spacing-sm);
    border-bottom: 1px solid var(--ems-color-border);
}

.ems-eoi-detail-list {
    margin: 0;
    padding: 0;
}

.ems-eoi-detail-item {
    display: flex;
    gap: var(--ems-spacing-sm);
    padding: var(--ems-spacing-xs) 0;
    border-bottom: 1px dotted var(--ems-color-border);
}

.ems-eoi-detail-item:last-child {
    border-bottom: none;
}

.ems-eoi-detail-item dt {
    flex: 0 0 45%;
    font-size: var(--ems-font-size-small);
    font-weight: 500;
    color: var(--ems-color-text-dark);
}

.ems-eoi-detail-item dd {
    flex: 1;
    margin: 0;
    color: var(--ems-color-text);
    word-break: break-word;
    font-size: var(--ems-font-size-small);
}

.ems-eoi-review-info {
    margin-top: var(--ems-spacing-md);
    padding-top: var(--ems-spacing-sm);
    border-top: 1px solid var(--ems-color-border);
    color: var(--ems-color-text-light);
    text-align: right;
}

/* --------------------------------------------------------------------------
   Level Details in Event Cards (Task 8.3)
   -------------------------------------------------------------------------- */

.ems-event-level-details {
    margin: var(--ems-spacing-md) 0;
    padding: var(--ems-spacing-md);
    background: var(--ems-color-background-alt);
    border-radius: var(--ems-border-radius);
    border-left: 3px solid var(--ems-color-accent);
}

.ems-event-level-value {
    margin: 0 0 var(--ems-spacing-xs) 0;
    font-size: var(--ems-font-size-base);
    color: var(--ems-color-text);
}

.ems-event-level-value strong {
    color: var(--ems-color-text-dark);
}

.ems-event-level-recognition {
    margin: var(--ems-spacing-xs) 0 0 0;
}

.ems-event-level-recognition strong {
    display: block;
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-dark);
    margin-bottom: 2px;
}

.ems-event-level-recognition p {
    margin: 0;
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Phase 8 Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .ems-portal-tabs {
        gap: 0;
    }

    .ems-portal-tab {
        padding: var(--ems-spacing-sm) var(--ems-spacing-md);
        font-size: var(--ems-font-size-small);
    }

    .ems-profile-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--ems-spacing-sm);
    }

    .ems-profile-grid {
        grid-template-columns: 1fr;
    }

    .ems-eoi-detail-grid {
        grid-template-columns: 1fr;
    }

    .ems-profile-actions {
        flex-direction: column;
    }

    .ems-profile-actions .ems-button {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .ems-portal-tabs {
        flex-direction: column;
        border-bottom: none;
        gap: 2px;
    }

    .ems-portal-tab {
        border-bottom: none;
        border-left: 3px solid transparent;
        margin-bottom: 0;
        padding: var(--ems-spacing-sm) var(--ems-spacing-md);
    }

    .ems-portal-tab--active {
        border-left-color: var(--ems-color-accent);
        background: var(--ems-color-background-alt);
    }

    .ems-portal-tab:hover {
        border-bottom-color: transparent;
        border-left-color: var(--ems-color-border);
    }

    .ems-eoi-table thead {
        display: none;
    }

    .ems-eoi-table tr {
        display: block;
        margin-bottom: var(--ems-spacing-md);
        border: 1px solid var(--ems-color-border);
        border-radius: var(--ems-border-radius);
    }

    .ems-eoi-table td {
        display: block;
        text-align: right;
        padding: var(--ems-spacing-xs) var(--ems-spacing-sm);
        border-bottom: 1px dotted var(--ems-color-border);
    }

    .ems-eoi-table td:before {
        content: attr(data-label);
        float: left;
        font-weight: 600;
        color: var(--ems-color-text-dark);
    }

    .ems-eoi-details-row {
        border: none !important;
    }

    .ems-eoi-details-row td {
        padding: 0 !important;
    }

    .ems-eoi-detail-item {
        flex-direction: column;
        gap: 2px;
    }

    .ems-eoi-detail-item dt {
        flex: none;
    }
}

/* ==========================================================================
   Sponsor Portal - My Sponsor Page Tab
   ========================================================================== */

.ems-sponsor-page-section {
    margin-bottom: var(--ems-spacing-xl);
}

.ems-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--ems-spacing-md);
}

.ems-page-header h2 {
    font-family: var(--ems-font-heading);
    margin: 0;
}

.ems-page-description {
    color: var(--ems-color-text-light);
    margin-bottom: var(--ems-spacing-xl);
}

/* Logo management */
.ems-page-logo-section {
    margin-bottom: var(--ems-spacing-xl);
    padding-bottom: var(--ems-spacing-xl);
    border-bottom: 1px solid var(--ems-color-border);
}

.ems-page-logo-section h3 {
    font-family: var(--ems-font-heading);
    font-size: 1.1em;
    font-weight: 600;
    margin: 0 0 var(--ems-spacing-md) 0;
}

.ems-logo-preview {
    width: 200px;
    height: 150px;
    border: 2px dashed var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ems-color-background-alt);
    margin-bottom: var(--ems-spacing-md);
    overflow: hidden;
}

.ems-logo-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.ems-logo-placeholder {
    font-size: var(--ems-font-size-small);
    color: var(--ems-color-text-light);
    text-align: center;
    padding: var(--ems-spacing-sm);
}

.ems-logo-actions {
    display: flex;
    gap: var(--ems-spacing-sm);
    margin-bottom: var(--ems-spacing-sm);
}

.ems-logo-save-status {
    margin-top: var(--ems-spacing-sm);
}

/* Page content WYSIWYG */
.ems-page-content-section h3 {
    font-family: var(--ems-font-heading);
    font-size: 1.1em;
    font-weight: 600;
    margin: 0 0 var(--ems-spacing-md) 0;
}

.ems-page-content-actions {
    display: flex;
    gap: var(--ems-spacing-md);
    margin-top: var(--ems-spacing-lg);
}

.ems-page-save-status {
    margin-top: var(--ems-spacing-md);
}

/* EOI creation in applications tab */
.ems-applications-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--ems-spacing-md);
    margin-bottom: var(--ems-spacing-lg);
    flex-wrap: wrap;
}

.ems-applications-header h2 {
    font-family: var(--ems-font-heading);
    margin: 0;
}

.ems-new-eoi-dropdown {
    display: flex;
    align-items: center;
    gap: var(--ems-spacing-sm);
    flex-wrap: wrap;
}

.ems-new-eoi-dropdown label {
    font-size: var(--ems-font-size-small);
    font-weight: 600;
    white-space: nowrap;
}

.ems-new-eoi-dropdown select {
    padding: 6px 10px;
    border: 1px solid var(--ems-color-border);
    border-radius: var(--ems-border-radius);
    font-size: var(--ems-font-size-small);
    max-width: 250px;
}

/* Checkbox group layout */
.ems-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ems-spacing-sm) var(--ems-spacing-lg);
}

.ems-checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: normal;
    cursor: pointer;
    font-size: var(--ems-font-size-base);
}

.ems-checkbox-label input[type="checkbox"] {
    margin: 0;
}

@media (max-width: 768px) {
    .ems-page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--ems-spacing-sm);
    }

    .ems-applications-header {
        flex-direction: column;
    }

    .ems-new-eoi-dropdown {
        width: 100%;
    }

    .ems-new-eoi-dropdown select {
        max-width: 100%;
        flex: 1;
    }
}