/* 
 * C2B Schedule Manager - Modern Style Preset
 * Based on existing College 2b branding
 * 
 * @package C2B_Schedule_Manager
 * @since 1.0.0
 */

/* ==========================================================================
   CSS Variables (can be overridden via settings)
   ========================================================================== */

:root {
    --c2b-primary-color: #0891b2;
    --c2b-secondary-color: #01cfdd;
    --c2b-accent-color: #3b82f6;
    --c2b-font-family: 'Roboto', sans-serif;
    --c2b-heading-size: 2.5rem;
    --c2b-body-size: 1rem;
    --c2b-border-radius: 12px;
    --c2b-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --c2b-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --c2b-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --c2b-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Countdown Banner (Top Position)
   ========================================================================== */

.c2b-countdown-wrapper {
    font-family: var(--c2b-font-family);
    margin-bottom: 2rem;
}

.c2b-countdown-container {
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    border-radius: var(--c2b-border-radius);
    padding: 2rem;
    box-shadow: var(--c2b-shadow-md);
    position: relative;
    overflow: hidden;
}

.c2b-countdown-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1), transparent);
    pointer-events: none;
}

/* Countdown Header */
.c2b-countdown-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    color: #ffffff;
}

.c2b-countdown-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.c2b-countdown-icon svg {
    color: #ffffff;
}

.c2b-countdown-info {
    flex: 1;
}

.c2b-countdown-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.c2b-countdown-course {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.c2b-countdown-course-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
}

.c2b-countdown-course-level {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.c2b-countdown-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.c2b-countdown-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.95rem;
}

.c2b-countdown-detail svg {
    flex-shrink: 0;
    opacity: 0.9;
}

/* Countdown Timer Display */
.c2b-countdown-timer-wrapper {
    margin-bottom: 1.5rem;
}

.c2b-countdown-display {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.c2b-countdown-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    padding: 1.25rem 1.5rem;
    border-radius: var(--c2b-border-radius);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    min-width: 90px;
    transition: var(--c2b-transition);
}

.c2b-countdown-unit:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.2);
}

.c2b-countdown-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 0.5rem;
    font-feature-settings: 'tnum';
    font-variant-numeric: tabular-nums;
    transition: var(--c2b-transition);
}

.c2b-countdown-value.c2b-countdown-updating {
    transform: scale(1.1);
}

.c2b-countdown-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

/* Countdown Expiration Message */
.c2b-countdown-expiration {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    padding: 2rem;
    animation: c2b-fade-in 0.5s ease-out;
}

.c2b-countdown-expired .c2b-countdown-display {
    opacity: 0;
}

/* Countdown Action Button */
.c2b-countdown-action {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.c2b-enroll-btn.c2b-countdown-enroll-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    color: var(--c2b-primary-color);
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--c2b-transition);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.c2b-countdown-action .c2b-enroll-btn {
    justify-content: center;
    min-width: 240px;
}

.c2b-enroll-btn.c2b-countdown-enroll-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    background: #f8fafc;
}

.c2b-enroll-btn.c2b-countdown-enroll-btn svg {
    transition: var(--c2b-transition);
}

.c2b-enroll-btn.c2b-countdown-enroll-btn:hover svg {
    transform: translateX(4px);
}

.c2b-payment-button-wrapper {
    width: 100%;
    display: flex;
    justify-content: flex-start;
}

.c2b-payment-button-wrapper .learndash-wrapper,
.c2b-payment-button-wrapper .learndash_purchase_button,
.c2b-payment-button-wrapper .learndash_purchase_course,
.c2b-payment-button-wrapper .ld-payment-buttons,
.c2b-payment-button-wrapper .ld-payment-buttons-inner {
    width: 100%;
    display: flex;
    justify-content: flex-start;
}

.c2b-payment-button-wrapper .ld-button,
.c2b-payment-button-wrapper .ld-payment-button,
.c2b-payment-button-wrapper .learndash_checkout_button,
.c2b-payment-button-wrapper .learndash-button,
.c2b-payment-button-wrapper .button,
.c2b-payment-button-wrapper .button-primary,
.c2b-payment-button-wrapper .wp-element-button,
.c2b-payment-button-wrapper .btn-join,
.c2b-payment-button-wrapper a {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color)) !important;
    color: #ffffff !important;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.35);
    border: none !important;
    transition: var(--c2b-transition);
    min-width: 240px;
    max-width: 100%;
}

.c2b-payment-button-wrapper .ld-button svg,
.c2b-payment-button-wrapper .ld-button i,
.c2b-payment-button-wrapper .button svg,
.c2b-payment-button-wrapper .button i,
.c2b-payment-button-wrapper .wp-element-button svg,
.c2b-payment-button-wrapper .wp-element-button i,
.c2b-payment-button-wrapper .btn-join svg,
.c2b-payment-button-wrapper .btn-join i,
.c2b-payment-button-wrapper a svg,
.c2b-payment-button-wrapper a i {
    transition: var(--c2b-transition);
}

.c2b-payment-button-wrapper .ld-button:hover,
.c2b-payment-button-wrapper .ld-payment-button:hover,
.c2b-payment-button-wrapper .learndash_checkout_button:hover,
.c2b-payment-button-wrapper .learndash-button:hover,
.c2b-payment-button-wrapper .button:hover,
.c2b-payment-button-wrapper .button-primary:hover,
.c2b-payment-button-wrapper .wp-element-button:hover,
.c2b-payment-button-wrapper .btn-join:hover,
.c2b-payment-button-wrapper a:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
    box-shadow: 0 12px 34px rgba(59, 130, 246, 0.4);
}

.c2b-payment-button-wrapper .ld-button:hover svg,
.c2b-payment-button-wrapper .ld-button:hover i,
.c2b-payment-button-wrapper .button:hover svg,
.c2b-payment-button-wrapper .button:hover i,
.c2b-payment-button-wrapper .wp-element-button:hover svg,
.c2b-payment-button-wrapper .wp-element-button:hover i,
.c2b-payment-button-wrapper .btn-join:hover svg,
.c2b-payment-button-wrapper .btn-join:hover i,
.c2b-payment-button-wrapper a:hover svg,
.c2b-payment-button-wrapper a:hover i {
    transform: translateX(4px);
}

.c2b-countdown-action .c2b-payment-button-wrapper,
.c2b-countdown-action .c2b-payment-button-wrapper .learndash-wrapper,
.c2b-countdown-action .c2b-payment-button-wrapper .learndash_purchase_button,
.c2b-countdown-action .c2b-payment-button-wrapper .learndash_purchase_course,
.c2b-countdown-action .c2b-payment-button-wrapper .ld-payment-buttons,
.c2b-countdown-action .c2b-payment-button-wrapper .ld-payment-buttons-inner {
    justify-content: center;
}

.c2b-payment-button-wrapper + .c2b-enroll-btn {
    margin-top: 0.75rem;
}

.c2b-payment-button-wrapper.c2b-enroll-btn-mobile .ld-button,
.c2b-payment-button-wrapper.c2b-enroll-btn-mobile .ld-payment-button,
.c2b-payment-button-wrapper.c2b-enroll-btn-mobile .learndash_checkout_button,
.c2b-payment-button-wrapper.c2b-enroll-btn-mobile .learndash-button,
.c2b-payment-button-wrapper.c2b-enroll-btn-mobile .button-primary {
    width: 100%;
    min-width: 0;
}

@media (max-width: 640px) {
    .c2b-countdown-action .c2b-enroll-btn,
    .c2b-payment-button-wrapper .ld-button,
    .c2b-payment-button-wrapper .ld-payment-button,
    .c2b-payment-button-wrapper .learndash_checkout_button,
    .c2b-payment-button-wrapper .learndash-button,
    .c2b-payment-button-wrapper .button-primary {
        width: 100%;
        min-width: 0;
    }
}

/* ==========================================================================
   Floating/Sticky Countdown
   ========================================================================== */

.c2b-countdown-floating,
.c2b-countdown-sticky {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    max-width: 400px;
    animation: c2b-slide-up 0.5s ease-out;
}

.c2b-countdown-sticky {
    top: 2rem;
    bottom: auto;
}

.c2b-countdown-floating .c2b-countdown-container,
.c2b-countdown-sticky .c2b-countdown-container {
    padding: 1.5rem;
}

.c2b-countdown-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    line-height: 1;
    transition: var(--c2b-transition);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.c2b-countdown-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* ==========================================================================
   Featured Course Card
   ========================================================================== */

.c2b-featured-course {
    background: #ffffff;
    border-radius: var(--c2b-border-radius);
    box-shadow: var(--c2b-shadow-md);
    overflow: hidden;
    margin-bottom: 2rem;
    transition: var(--c2b-transition);
}

.c2b-featured-course:hover {
    box-shadow: var(--c2b-shadow-lg);
    transform: translateY(-4px);
}

.c2b-featured-course-thumbnail {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.c2b-featured-course-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--c2b-transition);
}

.c2b-featured-course:hover .c2b-featured-course-image {
    transform: scale(1.05);
}

.c2b-featured-course-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--c2b-shadow-sm);
}

.c2b-featured-course-content {
    padding: 2rem;
}

.c2b-featured-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--c2b-accent-color);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.c2b-featured-label svg {
    color: #fbbf24;
}

.c2b-featured-course-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 1rem 0;
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.c2b-featured-course-description {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.c2b-featured-course-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: var(--c2b-border-radius);
}

.c2b-featured-course-detail {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.c2b-featured-course-detail-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #64748b;
    font-weight: 500;
}

.c2b-featured-course-detail-label svg {
    color: var(--c2b-accent-color);
}

.c2b-featured-course-detail-value {
    font-weight: 600;
    color: #1e293b;
}

/* Featured Course Countdown */
.c2b-featured-course-countdown {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    border-radius: var(--c2b-border-radius);
}

.c2b-featured-countdown-title {
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    margin: 0 0 1rem 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.c2b-countdown-compact .c2b-countdown-display {
    gap: 1rem;
}

.c2b-countdown-compact .c2b-countdown-unit {
    min-width: 70px;
    padding: 1rem;
}

.c2b-countdown-compact .c2b-countdown-value {
    font-size: 2rem;
}

.c2b-countdown-compact .c2b-countdown-label {
    font-size: 0.75rem;
}

/* Featured Course Action Button */
.c2b-featured-course-action {
    text-align: center;
}

.c2b-featured-course-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    color: #ffffff;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--c2b-transition);
    box-shadow: var(--c2b-shadow-md);
}

.c2b-featured-course-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--c2b-shadow-lg);
}

.c2b-featured-course-btn svg {
    transition: var(--c2b-transition);
}

.c2b-featured-course-btn:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes c2b-fade-in {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes c2b-slide-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 768px) {
    /* Countdown Banner */
    .c2b-countdown-container {
        padding: 1.5rem;
    }
    
    .c2b-countdown-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .c2b-countdown-course-name {
        font-size: 1.5rem;
    }
    
    .c2b-countdown-details {
        gap: 1rem;
    }
    
    .c2b-countdown-display {
        gap: 0.75rem;
    }
    
    .c2b-countdown-unit {
        min-width: 70px;
        padding: 1rem;
    }
    
    .c2b-countdown-value {
        font-size: 2rem;
    }
    
    .c2b-countdown-label {
        font-size: 0.75rem;
    }
    
    /* Floating/Sticky Countdown */
    .c2b-countdown-floating,
    .c2b-countdown-sticky {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
    
    /* Featured Course */
    .c2b-featured-course-content {
        padding: 1.5rem;
    }
    
    .c2b-featured-course-title {
        font-size: 1.5rem;
    }
    
    .c2b-featured-course-details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .c2b-countdown-display {
        flex-wrap: wrap;
        justify-content: space-around;
    }
    
    .c2b-countdown-unit {
        min-width: 60px;
        padding: 0.75rem;
    }
    
    .c2b-countdown-value {
        font-size: 1.75rem;
    }
    
    .c2b-countdown-expiration {
        font-size: 1.5rem;
        padding: 1.5rem;
    }
}

/* ==========================================================================
   Schedule Table & Mobile Cards
   ========================================================================== */

/* Filter Buttons */
.c2b-schedule-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.c2b-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    color: #64748b;
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--c2b-transition);
    font-family: var(--c2b-font-family);
}

.c2b-filter-btn:hover {
    border-color: var(--c2b-primary-color);
    color: var(--c2b-primary-color);
    transform: translateY(-2px);
    box-shadow: var(--c2b-shadow-sm);
}

.c2b-filter-btn.active {
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    color: #ffffff;
    border-color: transparent;
    box-shadow: var(--c2b-shadow-md);
}

.c2b-filter-btn svg {
    flex-shrink: 0;
}

/* Schedule Table (Desktop) */
.c2b-schedule-table-container {
    display: block;
    overflow-x: auto;
    margin-bottom: 2rem;
}

.c2b-schedule-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #ffffff;
    border-radius: var(--c2b-border-radius);
    box-shadow: var(--c2b-shadow-md);
    overflow: hidden;
}

.c2b-schedule-table thead {
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    color: #ffffff !important;
}

.c2b-schedule-table th {
    padding: 1.25rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #ffffff !important;
}

.c2b-schedule-table tbody tr {
    border-bottom: 1px solid #e2e8f0;
    transition: var(--c2b-transition);
}

.c2b-schedule-table tbody tr:last-child {
    border-bottom: none;
}

.c2b-schedule-table tbody tr:hover {
    background: #f8fafc;
}

.c2b-schedule-table td {
    padding: 1.25rem 1rem;
    vertical-align: middle;
}

/* Table Columns */
.c2b-col-level {
    width: 10%;
}

.c2b-col-course {
    width: 25%;
}

.c2b-col-date {
    width: 12%;
}

.c2b-col-days {
    width: 12%;
}

.c2b-col-time {
    width: 12%;
}

.c2b-col-duration {
    width: 10%;
}

.c2b-col-actions {
    width: 19%;
}

/* Level Badge */
.c2b-class-level {
    display: inline-block;
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.875rem;
    white-space: nowrap;
}

/* Course Title & Status */
.c2b-course-title-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.c2b-course-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
    line-height: 1.4;
}

.c2b-course-status {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.c2b-status-started {
    color: #10b981;
}

.c2b-status-upcoming {
    color: var(--c2b-accent-color);
}

/* Date, Days, Time Display */
.c2b-date-display,
.c2b-days-display,
.c2b-time-display {
    color: #475569;
    font-weight: 500;
}

/* Duration Badge */
.c2b-duration-badge {
    display: inline-block;
    background: transparent;
    color: var(--c2b-accent-color);
    border: 2px solid var(--c2b-accent-color);
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
}

/* Action Buttons */
.c2b-action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
}

/* Enrollment Button */
.c2b-enroll-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    color: #ffffff;
    padding: 0.625rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--c2b-transition);
    box-shadow: var(--c2b-shadow-sm);
    white-space: nowrap;
}

.c2b-enroll-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--c2b-shadow-md);
}

.c2b-enroll-btn svg {
    transition: var(--c2b-transition);
}

.c2b-enroll-btn:hover svg {
    transform: translateX(4px);
}

.c2b-enroll-btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.c2b-enroll-btn-large {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

.c2b-enroll-btn-mobile {
    width: 100%;
    justify-content: center;
}

/* Contact Buttons */
.c2b-contact-buttons {
    display: flex;
    gap: 0.5rem;
}

.c2b-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.8125rem;
    text-decoration: none;
    transition: var(--c2b-transition);
    white-space: nowrap;
}

.c2b-contact-btn-whatsapp {
    background: #25D366;
    color: #ffffff;
}

.c2b-contact-btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.c2b-contact-btn-telegram {
    background: #0088cc;
    color: #ffffff;
}

.c2b-contact-btn-telegram:hover {
    background: #0077b5;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 136, 204, 0.3);
}

.c2b-contact-btn svg {
    flex-shrink: 0;
}

.c2b-contact-btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* Mobile Cards (Hidden on Desktop) */
.c2b-schedule-cards-container {
    display: none;
}

/* Empty State */
.c2b-schedule-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: #94a3b8;
}

.c2b-schedule-empty svg {
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.c2b-schedule-empty p {
    font-size: 1.125rem;
    font-weight: 500;
    margin: 0;
}

/* ==========================================================================
   Mobile Cards Styling
   ========================================================================== */

.c2b-schedule-cards {
    display: grid;
    gap: 1.5rem;
}

.c2b-schedule-card {
    background: #ffffff;
    border-radius: var(--c2b-border-radius);
    box-shadow: var(--c2b-shadow-md);
    overflow: hidden;
    transition: var(--c2b-transition);
}

.c2b-schedule-card:hover {
    box-shadow: var(--c2b-shadow-lg);
    transform: translateY(-4px);
}

/* Card Header */
.c2b-card-header {
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color));
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.c2b-card-level {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.875rem;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.c2b-card-status {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.8125rem;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* Card Body */
.c2b-card-body {
    padding: 1.25rem;
}

.c2b-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 1rem 0;
    line-height: 1.3;
}

.c2b-card-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.c2b-card-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #475569;
    font-size: 0.9375rem;
}

.c2b-card-detail svg {
    color: var(--c2b-accent-color);
    flex-shrink: 0;
}

.c2b-card-detail-label {
    font-weight: 600;
    min-width: 60px;
}

.c2b-card-detail-value {
    font-weight: 500;
}

/* Card Footer */
.c2b-card-footer {
    padding: 1.25rem;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

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

@media (max-width: 1024px) {
    /* Adjust table columns */
    .c2b-schedule-table th,
    .c2b-schedule-table td {
        padding: 1rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .c2b-course-title {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    /* Hide desktop table, show mobile cards */
    .c2b-schedule-table-container {
        display: none;
    }
    
    .c2b-schedule-cards-container {
        display: block;
    }
    
    /* Filter buttons full width on mobile */
    .c2b-schedule-filters {
        flex-direction: column;
    }
    
    .c2b-filter-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Contact buttons without labels */
    .c2b-contact-btn-label {
        display: none;
    }
    
    .c2b-contact-btn {
        padding: 0.5rem;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .c2b-card-body {
        padding: 1rem;
    }
    
    .c2b-card-footer {
        padding: 1rem;
    }
    
    .c2b-card-title {
        font-size: 1.125rem;
    }
}

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

@media print {
    .c2b-countdown-floating,
    .c2b-countdown-sticky,
    .c2b-countdown-close,
    .c2b-countdown-enroll-btn,
    .c2b-featured-course-btn,
    .c2b-schedule-filters,
    .c2b-contact-buttons,
    .c2b-schedule-cards-container {
        display: none !important;
    }
    
    .c2b-schedule-table-container {
        display: block !important;
    }
    
    .c2b-schedule-table {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .c2b-schedule-table thead {
        background: #000 !important;
        color: #fff !important;
    }
}

/* ==========================================================================
   LearnDash Payment Buttons Integration
   ========================================================================== */

/* Main button styling - ID selector for maximum specificity */
#btn-join {
  /* Gradient background - directly embedded */
  background: linear-gradient(135deg, #0891b2 0%, #01cfdd 50%, #3b82f6 100%) !important;
  background-image: linear-gradient(135deg, #0891b2 0%, #01cfdd 50%, #3b82f6 100%) !important;
  
  /* Typography */
  color: #ffffff !important;
  font-size: 18px !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.5px !important;
  text-decoration: none !important;
  
  /* Spacing & Shape */
  padding: 18px 32px !important;
  border-radius: 12px !important;
  border: none !important;
  
  /* Shadow & Effects */
  box-shadow: 0 8px 24px -6px rgba(8, 145, 178, 0.4) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  
  /* Layout */
  display: inline-block !important;
  position: relative !important;
  overflow: hidden !important;
  cursor: pointer !important;
  z-index: 1 !important;
}

/* Shimmer effect overlay */
#btn-join::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: -100% !important;
  width: 100% !important;
  height: 100% !important;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent) !important;
  transition: left 0.5s ease !important;
  z-index: -1 !important;
}

/* Hover state */
#btn-join:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 18px 35px -15px rgba(8, 145, 178, 0.55) !important;
}

/* Shimmer animation on hover */
#btn-join:hover::before {
  left: 100% !important;
}

/* Active/Click state */
#btn-join:active {
  transform: translateY(0) !important;
  box-shadow: 0 8px 24px -6px rgba(8, 145, 178, 0.4) !important;
}

/* Focus state for accessibility */
#btn-join:focus {
  outline: 3px solid rgba(8, 145, 178, 0.4) !important;
  outline-offset: 3px !important;
}

/* Responsive adjustments for #btn-join */
@media (max-width: 768px) {
  #btn-join {
    padding: 14px 24px !important;
    font-size: 16px !important;
  }
}

/* Wrapper for LearnDash payment buttons */
.c2b-learndash-payment-wrapper {
    display: inline-block;
}

/* Style LearnDash payment buttons to match our design */
.c2b-learndash-payment-wrapper .learndash_join_button,
.c2b-learndash-payment-wrapper .btn-join,
.c2b-learndash-payment-wrapper form input[type="submit"],
.c2b-learndash-payment-wrapper form button[type="submit"],
.c2b-learndash-payment-wrapper .ld-button {
    background: linear-gradient(135deg, var(--c2b-primary-color), var(--c2b-secondary-color)) !important;
    color: white !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: var(--c2b-border-radius) !important;
    border: none !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    cursor: pointer !important;
    transition: var(--c2b-transition) !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    text-decoration: none !important;
    box-shadow: var(--c2b-shadow-sm) !important;
}

.c2b-learndash-payment-wrapper .learndash_join_button:hover,
.c2b-learndash-payment-wrapper .btn-join:hover,
.c2b-learndash-payment-wrapper form input[type="submit"]:hover,
.c2b-learndash-payment-wrapper form button[type="submit"]:hover,
.c2b-learndash-payment-wrapper .ld-button:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--c2b-shadow-md) !important;
    opacity: 0.95 !important;
}

/* Mobile adjustments for LearnDash buttons */
.c2b-learndash-payment-wrapper.c2b-enroll-btn-mobile .learndash_join_button,
.c2b-learndash-payment-wrapper.c2b-enroll-btn-mobile .btn-join,
.c2b-learndash-payment-wrapper.c2b-enroll-btn-mobile form input[type="submit"],
.c2b-learndash-payment-wrapper.c2b-enroll-btn-mobile form button[type="submit"],
.c2b-learndash-payment-wrapper.c2b-enroll-btn-mobile .ld-button {
    width: 100% !important;
    justify-content: center !important;
}

/* Featured course LearnDash button styling */
.c2b-featured-course-action .c2b-learndash-payment-wrapper {
    width: 100%;
}

.c2b-featured-course-action .c2b-learndash-payment-wrapper .learndash_join_button,
.c2b-featured-course-action .c2b-learndash-payment-wrapper .btn-join,
.c2b-featured-course-action .c2b-learndash-payment-wrapper form input[type="submit"],
.c2b-featured-course-action .c2b-learndash-payment-wrapper form button[type="submit"],
.c2b-featured-course-action .c2b-learndash-payment-wrapper .ld-button {
    width: 100% !important;
    justify-content: center !important;
    font-size: 1.125rem !important;
    padding: 1rem 2rem !important;
}