/**
 * Event Management System - Schedule Display Styles
 *
 * Unified styling for event schedules, sessions, and related components.
 * Automatically integrates with Conference Starter theme design tokens.
 *
 * @package    EventManagementSystem
 * @subpackage Public/CSS
 * @since      2.0.0
 * @version    2.0.0
 */

/* ==========================================================================
   Schedule Wrapper & Container
   ========================================================================== */

.ems-schedule-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--ems-spacing-lg, 20px);
}

/* ==========================================================================
   Filters and Search
   ========================================================================== */

.ems-schedule-filters {
    display: flex;
    gap: var(--ems-spacing-md, 15px);
    margin-bottom: var(--ems-spacing-lg, 20px);
    flex-wrap: wrap;
}

.ems-schedule-filters select,
.ems-filter {
    padding: var(--ems-spacing-sm, 10px) var(--ems-spacing-md, 15px);
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-size: var(--ems-font-size-base, 14px);
    color: var(--ems-color-text, #444);
    background: var(--ems-color-background, #fff);
    border: 1px solid var(--ems-color-border, #dce0e0);
    border-radius: var(--ems-border-radius, 5px);
    min-width: 150px;
    cursor: pointer;
    transition: border-color var(--ems-transition, 0.3s ease);
}

.ems-schedule-filters select:focus,
.ems-filter:focus {
    border-color: var(--ems-color-accent, #1EC6B6);
    outline: none;
}

.ems-schedule-search {
    position: relative;
    margin-bottom: var(--ems-spacing-lg, 20px);
}

.ems-search-input {
    width: 100%;
    padding: var(--ems-spacing-sm, 12px) var(--ems-spacing-xxl, 45px) var(--ems-spacing-sm, 12px) var(--ems-spacing-md, 15px);
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-size: var(--ems-font-size-base, 16px);
    color: var(--ems-color-text, #444);
    background: var(--ems-color-background, #fff);
    border: 1px solid var(--ems-color-border, #dce0e0);
    border-radius: var(--ems-border-radius, 5px);
    transition: border-color var(--ems-transition, 0.3s ease);
}

.ems-search-input:focus {
    border-color: var(--ems-color-accent, #1EC6B6);
    outline: none;
}

.ems-schedule-search .dashicons {
    position: absolute;
    right: var(--ems-spacing-md, 15px);
    top: 50%;
    transform: translateY(-50%);
    color: var(--ems-color-text-light, #666);
}

/* ==========================================================================
   Schedule Day Headers
   ========================================================================== */

.ems-schedule-day,
.schedule-day {
    margin-bottom: var(--ems-spacing-lg, 20px);
    box-shadow: var(--ems-box-shadow, 0 1px 30px rgba(0, 0, 0, 0.1));
    border-radius: var(--ems-border-radius, 5px);
    overflow: hidden;
}

.ems-schedule-day-header,
.schedule-day-header {
    background: var(--ems-color-accent-blue, var(--color-accent-blue, #007bff));
    color: var(--ems-color-text-white, #fff);
    padding: var(--ems-spacing-xl, 25px);
}

.ems-schedule-day-header h3,
.ems-schedule-day-header h4,
.schedule-day-header h3,
.schedule-day-header h4 {
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    color: var(--ems-color-text-white, #fff);
    margin: 0;
    font-weight: 500;
}

.ems-schedule-day-date,
.schedule-day-date {
    opacity: 0.9;
    font-size: var(--ems-font-size-small, 13px);
    margin-top: var(--ems-spacing-xs, 5px);
}

/* ==========================================================================
   Session Cards
   ========================================================================== */

.ems-session-card {
    background: var(--ems-color-background, #fff);
    border: 1px solid var(--ems-color-border, #e0e0e0);
    border-radius: var(--ems-border-radius, 8px);
    padding: var(--ems-spacing-lg, 20px);
    margin-bottom: var(--ems-spacing-md, 15px);
    transition: box-shadow var(--ems-transition, 0.3s ease), transform var(--ems-transition, 0.3s ease);
}

.ems-session-card:hover {
    box-shadow: var(--ems-box-shadow-hover, 0 4px 40px rgba(0, 0, 0, 0.15));
    transform: translateY(-2px);
}

.ems-session-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--ems-spacing-md, 15px);
    gap: var(--ems-spacing-sm, 10px);
}

.ems-session-title,
.session-title {
    margin: 0;
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-size: 1.25em;
    font-weight: 500;
    color: var(--ems-color-text-dark, #222);
    flex: 1;
}

.ems-session-title a,
.session-title a {
    color: inherit;
    text-decoration: none;
}

.ems-session-title a:hover,
.session-title a:hover {
    color: var(--ems-color-accent, #1EC6B6);
}

/* Session Type Badge */
.ems-session-type,
.session-type {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--ems-color-background-alt, #f9f9f9);
    color: var(--ems-color-accent-blue, #007bff);
    border-radius: 15px;
    white-space: nowrap;
}

/* Session Type Color Variants */
.ems-session-type-keynote .ems-session-type,
.session-type.keynote {
    background: #f3e5f5;
    color: #7b1fa2;
}

.ems-session-type-workshop .ems-session-type,
.session-type.workshop {
    background: #e8f5e9;
    color: var(--ems-color-success, #388e3c);
}

.ems-session-type-panel .ems-session-type,
.session-type.panel {
    background: #fff3e0;
    color: var(--ems-color-warning, #f57c00);
}

.ems-session-type-break .ems-session-type,
.session-type.break {
    background: #e0e0e0;
    color: #616161;
}

/* Session Meta Information */
.ems-session-meta,
.session-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ems-spacing-lg, 20px);
    margin-bottom: var(--ems-spacing-md, 15px);
    color: var(--ems-color-text-light, #666);
    font-size: var(--ems-font-size-small, 14px);
}

.ems-session-meta > div,
.session-meta > span {
    display: flex;
    align-items: center;
    gap: var(--ems-spacing-xs, 5px);
}

.ems-session-meta .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    color: var(--ems-color-accent-blue, #007bff);
}

.session-time {
    font-weight: 600;
    color: var(--ems-color-accent-blue, #007bff);
}

/* Session Description */
.ems-session-description {
    color: var(--ems-color-text, #555);
    line-height: var(--ems-line-height, 1.6);
    margin-bottom: var(--ems-spacing-md, 15px);
}

/* Session Footer */
.ems-session-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--ems-spacing-md, 15px);
    padding-top: var(--ems-spacing-md, 15px);
    border-top: 1px solid var(--ems-color-border, #f0f0f0);
    gap: var(--ems-spacing-md, 15px);
}

/* Capacity Indicators */
.ems-session-capacity {
    font-size: var(--ems-font-size-small, 14px);
    font-weight: 500;
}

.capacity-available {
    color: var(--ems-color-success, #388e3c);
}

.capacity-filling {
    color: var(--ems-color-warning, #f57c00);
}

.capacity-almost-full {
    color: var(--ems-color-error, #d32f2f);
    font-weight: 600;
}

.capacity-full {
    color: var(--ems-color-error, #d32f2f);
    font-weight: 600;
}

.capacity-unlimited {
    color: var(--ems-color-info, #1976d2);
}

/* ==========================================================================
   Session Items (List View)
   ========================================================================== */

.session-item {
    padding: var(--ems-spacing-xl, 25px);
    background: var(--ems-color-background, #fff);
    border-top: 1px solid var(--ems-color-border, #e1e1e1);
}

.session-item:first-of-type {
    border-top: none;
}

.session-location {
    border-top: 1px solid var(--ems-color-border, #e1e1e1);
    margin-top: var(--ems-spacing-lg, 20px);
    padding-top: var(--ems-spacing-lg, 20px);
}

.session-location-label {
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--ems-font-size-small, 13px);
    color: var(--ems-color-accent, #1EC6B6);
}

/* ==========================================================================
   Schedule Views
   ========================================================================== */

/* List View */
.ems-schedule-list .ems-schedule-group {
    margin-bottom: var(--ems-spacing-xxl, 40px);
}

.ems-schedule-group-title {
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-size: 1.5em;
    font-weight: 500;
    color: var(--ems-color-text-dark, #222);
    margin-bottom: var(--ems-spacing-lg, 20px);
    padding-bottom: var(--ems-spacing-sm, 10px);
    border-bottom: 2px solid var(--ems-color-accent-blue, #007bff);
}

/* Grid View */
.ems-sessions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--ems-spacing-lg, 20px);
}

/* Timeline View */
.ems-schedule-timeline {
    position: relative;
}

.ems-timeline-day {
    margin-bottom: var(--ems-spacing-xxl, 40px);
}

.ems-timeline-date {
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-size: 1.375em;
    font-weight: 500;
    color: var(--ems-color-text-dark, #222);
    margin-bottom: var(--ems-spacing-lg, 20px);
}

.ems-timeline-slot {
    display: flex;
    margin-bottom: var(--ems-spacing-lg, 20px);
}

.ems-timeline-time {
    min-width: 100px;
    font-weight: 600;
    color: var(--ems-color-accent-blue, #007bff);
    padding-top: var(--ems-spacing-xs, 5px);
}

.ems-timeline-content {
    flex: 1;
}

/* ==========================================================================
   Schedule Tabs
   ========================================================================== */

.schedule-tabs,
.ems-schedule-tabs {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    background: var(--ems-color-accent-blue, var(--color-accent-blue, #007bff));
    border-radius: var(--ems-border-radius, 5px) var(--ems-border-radius, 5px) 0 0;
}

.schedule-tabs li,
.ems-schedule-tabs li {
    margin: 0;
}

.schedule-tabs a,
.ems-schedule-tabs a {
    display: block;
    padding: var(--ems-spacing-xl, 25px);
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    color: var(--ems-color-text-white, #fff);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: background var(--ems-transition-fast, 0.2s linear);
}

.schedule-tabs a:hover,
.ems-schedule-tabs a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.schedule-tabs .active a,
.ems-schedule-tabs .active a {
    background: var(--color-accent-pink, #FF2D55);
    border-color: var(--color-accent-pink, #FF2D55);
}

/* ==========================================================================
   Schedule Actions
   ========================================================================== */

.ems-schedule-actions {
    margin-top: var(--ems-spacing-xl, 30px);
    text-align: center;
}

/* ==========================================================================
   Participant Schedule (My Schedule)
   ========================================================================== */

.ems-participant-schedule {
    background: var(--ems-color-background, #fff);
    border-radius: var(--ems-border-radius, 8px);
    padding: var(--ems-spacing-xl, 30px);
    box-shadow: var(--ems-box-shadow, 0 2px 8px rgba(0, 0, 0, 0.1));
}

.ems-participant-session {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--ems-spacing-md, 15px);
    border: 1px solid var(--ems-color-border, #e0e0e0);
    border-radius: var(--ems-border-radius, 6px);
    margin-bottom: var(--ems-spacing-md, 15px);
    transition: background-color var(--ems-transition, 0.2s ease);
}

.ems-participant-session:hover {
    background-color: var(--ems-color-background-alt, #f8f9fa);
}

.ems-session-info h4 {
    margin: 0 0 var(--ems-spacing-sm, 10px) 0;
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-size: 1.125em;
    color: var(--ems-color-text-dark, #222);
}

.ems-session-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ems-spacing-lg, 20px);
    color: var(--ems-color-text-light, #666);
    font-size: var(--ems-font-size-small, 14px);
}

.ems-my-schedule-actions {
    margin-top: var(--ems-spacing-lg, 20px);
    text-align: center;
}

/* All Schedules View (Multi-event) */
.ems-all-schedules {
    display: flex;
    flex-direction: column;
    gap: var(--ems-spacing-xl, 30px);
}

.ems-event-schedule-block {
    background: var(--ems-color-background, #fff);
    border: 1px solid var(--ems-color-border, #e0e0e0);
    border-radius: var(--ems-border-radius, 8px);
    overflow: hidden;
}

.ems-event-schedule-header {
    background: var(--ems-color-background-alt, #f5f5f5);
    padding: var(--ems-spacing-lg, 20px);
    border-bottom: 1px solid var(--ems-color-border, #e0e0e0);
}

.ems-event-schedule-header h3 {
    margin: 0 0 var(--ems-spacing-sm, 10px);
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-size: 1.25em;
    font-weight: 500;
}

.ems-event-schedule-header h3 a {
    color: var(--ems-color-text-dark, #1d2327);
    text-decoration: none;
}

.ems-event-schedule-header h3 a:hover {
    color: var(--ems-color-accent-blue, #2271b1);
}

.ems-event-meta-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ems-spacing-md, 15px);
    font-size: var(--ems-font-size-small, 14px);
    color: var(--ems-color-text-light, #666);
}

.ems-event-meta-info .dashicons {
    font-size: 16px;
    width: 16px;
    height: 16px;
    vertical-align: middle;
    margin-right: 4px;
}

.ems-event-schedule-body {
    padding: var(--ems-spacing-lg, 20px);
}

.ems-schedule-actions {
    display: flex;
    gap: var(--ems-spacing-sm, 10px);
    margin-top: var(--ems-spacing-md, 15px);
    padding-top: var(--ems-spacing-md, 15px);
    border-top: 1px solid var(--ems-color-border, #eee);
}

.ems-no-sessions-registered,
.ems-no-sessions {
    color: var(--ems-color-text-light, #666);
    font-style: italic;
    margin: 0 0 var(--ems-spacing-md, 15px);
}

.ems-no-schedule {
    text-align: center;
    padding: var(--ems-spacing-xxl, 40px);
    background: var(--ems-color-background-alt, #f9f9f9);
    border-radius: var(--ems-border-radius, 8px);
}

/* ==========================================================================
   Session Detail Page
   ========================================================================== */

.ems-session-detail {
    background: var(--ems-color-background, #fff);
    border-radius: var(--ems-border-radius, 8px);
    padding: var(--ems-spacing-xl, 30px);
    box-shadow: var(--ems-box-shadow, 0 2px 8px rgba(0, 0, 0, 0.1));
}

.ems-session-detail .ems-session-title {
    font-size: 1.75em;
    margin-bottom: var(--ems-spacing-lg, 20px);
}

.ems-session-meta-detail {
    background-color: var(--ems-color-background-alt, #f8f9fa);
    padding: var(--ems-spacing-lg, 20px);
    border-radius: var(--ems-border-radius, 6px);
    margin: var(--ems-spacing-lg, 20px) 0;
}

.ems-meta-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--ems-spacing-md, 15px);
    padding: var(--ems-spacing-sm, 10px) 0;
    border-bottom: 1px solid var(--ems-color-border, #e0e0e0);
}

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

.ems-meta-label {
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-weight: 600;
    color: var(--ems-color-text-light, #555);
}

.ems-meta-value {
    color: var(--ems-color-text-dark, #222);
}

.ems-session-description-detail {
    margin: var(--ems-spacing-xl, 30px) 0;
    line-height: var(--ems-line-height, 1.8);
    color: var(--ems-color-text, #555);
}

.ems-session-description-detail h3 {
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-size: 1.125em;
    font-weight: 500;
    margin-bottom: var(--ems-spacing-md, 15px);
}

.ems-session-actions {
    margin-top: var(--ems-spacing-xl, 30px);
    text-align: center;
}

/* ==========================================================================
   Event Schedule Section (on single event page)
   ========================================================================== */

.ems-event-schedule-section {
    margin-bottom: var(--ems-spacing-xl, 30px);
}

.ems-event-schedule-section h2 {
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-weight: 500;
    margin-bottom: var(--ems-spacing-lg, 20px);
    padding-bottom: var(--ems-spacing-sm, 10px);
    border-bottom: 2px solid var(--ems-color-accent, #1EC6B6);
}

/* Registration and Abstract Sections */
.ems-event-registration-section,
.ems-event-abstract-section {
    margin-bottom: var(--ems-spacing-xl, 30px);
    padding: var(--ems-spacing-lg, 20px);
    background: var(--ems-color-background-alt, #f9f9f9);
    border-radius: var(--ems-border-radius, 5px);
}

.ems-event-registration-section h2,
.ems-event-abstract-section h2 {
    font-family: var(--ems-font-heading, var(--font-heading, 'Poppins', sans-serif));
    font-weight: 500;
    font-size: 1.25em;
    margin-bottom: var(--ems-spacing-md, 15px);
}

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

@media (max-width: 768px) {
    .ems-schedule-filters {
        flex-direction: column;
    }

    .ems-schedule-filters select {
        width: 100%;
    }

    .ems-session-header {
        flex-direction: column;
        gap: var(--ems-spacing-sm, 10px);
    }

    .ems-session-meta {
        flex-direction: column;
        gap: var(--ems-spacing-sm, 10px);
    }

    .ems-session-footer {
        flex-direction: column;
        gap: var(--ems-spacing-md, 15px);
        align-items: stretch;
    }

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

    .ems-timeline-slot {
        flex-direction: column;
    }

    .ems-timeline-time {
        margin-bottom: var(--ems-spacing-sm, 10px);
    }

    .ems-participant-session {
        flex-direction: column;
        gap: var(--ems-spacing-md, 15px);
        align-items: stretch;
    }

    .ems-meta-item {
        grid-template-columns: 1fr;
        gap: var(--ems-spacing-xs, 5px);
    }
    
    /* Schedule Tabs Mobile */
    .schedule-tabs,
    .ems-schedule-tabs {
        flex-direction: column;
    }
    
    .schedule-tabs a,
    .ems-schedule-tabs a {
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        border-left: 3px solid transparent;
    }
    
    .schedule-tabs .active a,
    .ems-schedule-tabs .active a {
        border-bottom-color: rgba(255, 255, 255, 0.2);
        border-left-color: var(--color-accent-pink, #FF2D55);
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .ems-schedule-filters,
    .ems-schedule-search,
    .ems-session-actions,
    .ems-btn {
        display: none !important;
    }
    
    .ems-session-card,
    .session-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}