/* Lessons Info Control Redesign CSS - Matching Exact UIX Design */

/* Root variables for consistent theming */
:root {
    --lessons-primary: #8B2784;        /* Purple */
    --lessons-secondary: #2C5CC5;      /* Blue */
    --lessons-success: #28a745;        /* Green */
    --lessons-warning: #fd7e14;        /* Orange */
    --lessons-danger: #dc3545;         /* Red */
    --lessons-light-gray: #f8f9fa;
    --lessons-medium-gray: #6c757d;
    --lessons-dark-gray: #343a40;
    --lessons-white: #ffffff;
    --lessons-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --lessons-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --lessons-border-radius: 0.5rem;
    --lessons-transition: all 0.3s ease;
}

/* Main Container */
.li-wrapper {
    background-color: var(--lessons-light-gray);
    min-height: 100vh;
    padding: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.li-wrapper.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    padding: 2rem;
    background-color: var(--lessons-white);
}

/* Fullscreen Section */
.lessons-fullscreen-section {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
}

/* Filter Section */
.lessons-filter-section {
    background: var(--lessons-white);
    border-radius: var(--lessons-border-radius);
    box-shadow: var(--lessons-shadow);
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lessons-filter-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.lessons-historic-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lessons-historic-toggle .custom-control-label {
    font-weight: 500;
    color: var(--lessons-dark-gray);
    margin-bottom: 0;
}

.lessons-filter-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lessons-filter-btn {
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--lessons-border-radius);
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--lessons-transition);
    cursor: pointer;
    min-height: 60px;
    box-shadow: var(--lessons-shadow);
}

.lessons-filter-btn.all-booked {
    background: var(--lessons-primary);
    color: var(--lessons-white);
}

.lessons-filter-btn.all-booked:not(.active) {
    background: #e9ecef;
    color: var(--lessons-primary);
    border: 2px solid var(--lessons-primary);
}

.lessons-filter-btn.today-booked {
    background: var(--lessons-secondary);
    color: var(--lessons-white);
}

.lessons-filter-btn.today-booked:not(.active) {
    background: #e9ecef;
    color: var(--lessons-secondary);
    border: 2px solid var(--lessons-secondary);
}

.lessons-filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--lessons-shadow-lg);
}

.lessons-fullscreen-toggle {
    flex-shrink: 0;
}

/* Lessons List */
.lessons-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Individual Lesson Item */
.lesson-item {
    background: var(--lessons-white);
    border-radius: var(--lessons-border-radius);
    box-shadow: var(--lessons-shadow);
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    cursor: pointer;
    transition: var(--lessons-transition);
    position: relative;
    border-left: 4px solid transparent;
}

.lesson-item:hover {
    box-shadow: var(--lessons-shadow-lg);
    transform: translateY(-1px);
}

.lesson-item.scheduled {
    border-left-color: var(--lessons-warning);
}

.lesson-item.ongoing {
    border-left-color: var(--lessons-success);
}

.lesson-item.closed {
    border-left-color: var(--lessons-danger);
}

/* Status Dot */
.lesson-status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.lesson-status-dot.scheduled {
    background: var(--lessons-warning);
}

.lesson-status-dot.ongoing {
    background: var(--lessons-success);
    animation: pulse 2s infinite;
}

.lesson-status-dot.closed {
    background: var(--lessons-danger);
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Lesson Details */
.lesson-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lesson-time-info {
    font-size: 0.95rem;
    color: var(--lessons-dark-gray);
    font-weight: 500;
}

.lesson-instructor-info {
    font-size: 1rem;
    color: var(--lessons-dark-gray);
    font-weight: 600;
}

/* Students List */
.lesson-students-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.25rem 0;
}

.student-badge {
    background: var(--lessons-secondary);
    color: var(--lessons-white);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--lessons-transition);
}

.student-badge:hover {
    background: var(--lessons-primary);
    transform: translateY(-1px);
}

/* Lesson Controls */
.lesson-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.action-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.25rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--lessons-transition);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.start-btn {
    background: var(--lessons-success);
    color: var(--lessons-white);
}

.start-btn:hover:not(:disabled) {
    background: #218838;
    transform: translateY(-1px);
}

.stop-btn {
    background: var(--lessons-warning);
    color: var(--lessons-white);
}

.stop-btn:hover:not(:disabled) {
    background: #e0a800;
    transform: translateY(-1px);
}

.close-btn {
    background: var(--lessons-danger);
    color: var(--lessons-white);
}

.close-btn:hover:not(:disabled) {
    background: #c82333;
    transform: translateY(-1px);
}

.action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Lesson Timer */
.lesson-timer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--lessons-success);
    font-weight: 600;
    font-size: 0.95rem;
}

.timer-control {
    background: none;
    border: 1px solid var(--lessons-success);
    color: var(--lessons-success);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--lessons-transition);
}

.timer-control:hover {
    background: var(--lessons-success);
    color: var(--lessons-white);
}

/* Rental-specific styles */
.rental-pause-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 0.5rem;
}

.rental-gear-info {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--lessons-light-gray);
}

.gear-details {
    font-size: 0.875rem;
    color: var(--lessons-medium-gray);
    font-style: italic;
}

.gear-details:not(.text-muted) {
    color: var(--lessons-primary);
    font-weight: 500;
}

.lesson-completed {
    color: var(--lessons-danger);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Menu Dots */
.lesson-menu {
    color: var(--lessons-medium-gray);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: var(--lessons-transition);
}

.lesson-menu:hover {
    background: var(--lessons-light-gray);
    color: var(--lessons-dark-gray);
}

/* Empty State */
.lessons-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--lessons-white);
    border-radius: var(--lessons-border-radius);
    box-shadow: var(--lessons-shadow);
}

.lessons-empty-state .fa {
    font-size: 3rem;
    color: var(--lessons-medium-gray);
    margin-bottom: 1rem;
}

.lessons-empty-state h3 {
    color: var(--lessons-dark-gray);
    margin-bottom: 0.5rem;
}

.lessons-empty-state p {
    color: var(--lessons-medium-gray);
    margin: 0;
}

/* Loading Spinner */
.fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive Design - Mobile First */

/* Small devices (phones, 576px and up) */
@media (min-width: 576px) {
    .li-wrapper {
        padding: 1.5rem;
    }
    
    .lessons-filter-buttons {
        flex-direction: row;
    }
    
    .lesson-item {
        padding: 1.25rem;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .li-wrapper {
        padding: 2rem;
        max-width: 800px;
        margin: 0 auto;
    }
    
    .lessons-filter-section {
        align-items: center;
    }
    
    .lesson-controls {
        flex-direction: row;
        justify-content: flex-start;
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .li-wrapper {
        max-width: 900px;
    }
    
    .lesson-item {
        padding: 1.5rem;
    }
    
    .lesson-time-info {
        font-size: 1rem;
    }
    
    .lesson-instructor-info {
        font-size: 1.1rem;
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .li-wrapper {
        max-width: 1000px;
        padding: 3rem;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .lesson-item,
    .action-btn,
    .lessons-filter-btn,
    .student-badge {
        transition: none;
    }
    
    .lesson-status-dot.ongoing {
        animation: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .lesson-item {
        border: 2px solid var(--lessons-dark-gray);
    }
    
    .action-btn {
        border: 2px solid currentColor;
    }
}

/* Print styles */
@media print {
    .lessons-filter-section,
    .lesson-controls,
    .lesson-menu {
        display: none;
    }
    
    .lesson-item {
        box-shadow: none;
        border: 1px solid var(--lessons-dark-gray);
        break-inside: avoid;
        margin-bottom: 1rem;
    }
}