/* Training Page Styles V2 - Light Theme with Better UX */

/* ===================================
   Base & Layout
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.training-page {
    background: var(--gray-50);
    overflow-x: hidden;
    width: 100%;
    min-height: 100vh;
}

/* Header Compacto */
.training-page .header {
    background: linear-gradient(135deg, var(--eco-green) 0%, var(--eco-green-dark) 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.training-page .header-content {
    height: 64px;
    max-width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.training-page .header .logo img {
    filter: brightness(0) invert(1);
}

.training-page .nav-link {
    color: rgba(255, 255, 255, 0.9);
}

.training-page .nav-link:hover {
    color: white;
}

.training-page .nav-link.active {
    color: white;
}

.training-page .nav-link.active::after {
    background: white;
}

/* Remove course hero */
.course-hero {
    display: none;
}

/* Training Wrapper - Full Height */
.training-wrapper {
    background: var(--gray-50);
    overflow: hidden;
}

.training-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    height: calc(100vh - 64px);
    width: 100%;
    max-width: 100vw;
    transition: grid-template-columns 0.3s ease;
}

.training-grid.sidebar-collapsed {
    grid-template-columns: 64px 1fr;
}

/* ===================================
   Sidebar - Light Theme
   =================================== */

.training-sidebar {
    background: white;
    border-right: 1px solid var(--gray-200);
    height: calc(100vh - 64px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.training-sidebar.collapsed {
    overflow: hidden;
}

.training-sidebar.collapsed .sidebar-header-top h3,
.training-sidebar.collapsed .progress-ring,
.training-sidebar.collapsed .module-info,
.training-sidebar.collapsed .module-status,
.training-sidebar.collapsed .sidebar-footer {
    opacity: 0;
    pointer-events: none;
}

.training-sidebar.collapsed .sidebar-header {
    padding: var(--space-md);
}

.training-sidebar.collapsed .sidebar-header-top {
    justify-content: center;
    margin-bottom: 0;
}

.training-sidebar.collapsed .sidebar-collapse-btn svg {
    transform: rotate(180deg);
}

.training-sidebar.collapsed .module-item {
    padding: var(--space-md);
    justify-content: center;
}

.training-sidebar.collapsed .module-number {
    margin: 0;
}

/* Custom Scrollbar */
.training-sidebar::-webkit-scrollbar {
    width: 6px;
}

.training-sidebar::-webkit-scrollbar-track {
    background: white;
}

.training-sidebar::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.training-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

.sidebar-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--gray-200);
}

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

.sidebar-header h3 {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-collapse-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.sidebar-collapse-btn svg {
    transition: transform var(--transition-base);
}

.progress-ring {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-md);
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-circle {
    transition: stroke-dashoffset 0.5s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--eco-green-dark);
}

.module-list {
    padding: var(--space-sm) 0;
    flex: 1;
}

.module-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--gray-600);
    border-left: 3px solid transparent;
}

.module-item:hover {
    background: var(--gray-50);
    color: var(--gray-900);
}

.module-item.active {
    background: var(--eco-green-pale);
    color: var(--eco-green-dark);
    border-left-color: var(--eco-green);
}

.module-item.completed {
    color: var(--gray-500);
}

.module-item.completed .module-number {
    background: var(--success);
    color: white;
}

.module-number {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: 0.8125rem;
    flex-shrink: 0;
    transition: all var(--transition-base);
    color: var(--gray-600);
}

.module-item.active .module-number {
    background: var(--eco-green);
    color: white;
}

.module-info {
    flex: 1;
    min-width: 0;
}

.module-info h4 {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: 2px;
    color: inherit;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.module-info .duration {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.module-status {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    border: 2px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.module-item.completed .module-status {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.module-status svg {
    width: 12px;
    height: 12px;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--gray-200);
    margin-top: auto;
    background: white;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.progress-info .label {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.progress-info .value {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.progress-bar-wrapper {
    width: 100%;
    height: 6px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--eco-green) 0%, var(--eco-green-light) 100%);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
    width: 0%;
}

/* ===================================
   Training Main Content
   =================================== */

.training-main {
    background: var(--gray-50);
    height: calc(100vh - 64px);
    overflow-y: auto;
    padding: 0;
}

/* Custom Scrollbar */
.training-main::-webkit-scrollbar {
    width: 8px;
}

.training-main::-webkit-scrollbar-track {
    background: var(--gray-50);
}

.training-main::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

.training-main::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Video Module */
.video-module {
    display: none;
}

.video-module.active {
    display: block;
}

.video-container {
    width: 100%;
    background: #000;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Video Content Area */
.video-content {
    padding: var(--space-2xl) var(--space-3xl);
    max-width: 900px;
    margin: 0 auto;
    background: white;
}

.video-header {
    margin-bottom: var(--space-xl);
}

.video-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--eco-green-pale);
    color: var(--eco-green-dark);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.video-header h2 {
    font-size: 1.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.video-description {
    margin-bottom: var(--space-2xl);
}

.video-description p {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.video-actions {
    display: flex;
    gap: var(--space-md);
    padding-bottom: var(--space-3xl);
}

.btn-complete {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, var(--eco-green) 0%, var(--eco-green-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
}

.btn-complete:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 184, 148, 0.3);
}

.btn-complete.completed {
    background: var(--gray-200);
    color: var(--gray-600);
    cursor: default;
    box-shadow: none;
}

.btn-complete.completed:hover {
    transform: none;
}

.btn-next {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-next:hover {
    border-color: var(--eco-green);
    color: var(--eco-green);
    background: var(--eco-green-pale);
}

.btn-complete:disabled,
.btn-next:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===================================
   Completion Modal
   =================================== */

.completion-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.completion-content {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
    max-width: 480px;
    text-align: center;
    animation: slideUp 0.4s ease;
    box-shadow: var(--shadow-xl);
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.completion-content .emoji {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.completion-content h3 {
    font-size: 1.875rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.completion-content p {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

/* ===================================
   Mobile Menu Toggle
   =================================== */

.mobile-menu-toggle {
    display: none;
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--eco-green) 0%, var(--eco-green-dark) 100%);
    color: white;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 184, 148, 0.3);
    align-items: center;
    justify-content: center;
    z-index: 999;
    cursor: pointer;
    transition: all var(--transition-base);
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
}

/* ===================================
   Footer
   =================================== */

.training-footer {
    background: white;
    border-top: 1px solid var(--gray-200);
    padding: var(--space-2xl) 0;
    margin-top: auto;
}

.training-footer .container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-3xl);
    text-align: center;
}

.training-footer p {
    color: var(--gray-600);
    font-size: 0.875rem;
}

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

@media (max-width: 1024px) {
    .training-grid {
        grid-template-columns: 1fr;
        height: auto;
        min-height: calc(100vh - 64px);
    }

    .training-sidebar {
        position: fixed;
        left: 0;
        top: 64px;
        width: 360px;
        height: calc(100vh - 64px);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 998;
        box-shadow: none;
    }

    .training-sidebar.active {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .training-main {
        height: auto;
        min-height: calc(100vh - 64px);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .video-content {
        padding: var(--space-xl) var(--space-lg);
    }
}

@media (max-width: 768px) {
    .training-page .header-content {
        padding: 0 var(--space-md);
    }

    .training-sidebar {
        width: 100%;
        max-width: 340px;
    }

    .video-header h2 {
        font-size: 1.5rem;
    }

    .video-content {
        padding: var(--space-xl) var(--space-md);
    }

    .video-actions {
        flex-direction: column;
    }

    .video-actions .btn-complete,
    .video-actions .btn-next {
        width: 100%;
        justify-content: center;
    }

    .sidebar-header {
        padding: var(--space-lg);
    }

    .module-item {
        padding: var(--space-sm) var(--space-md);
    }

    .sidebar-footer {
        padding: var(--space-lg);
    }
}

@media (max-width: 640px) {
    .video-header h2 {
        font-size: 1.25rem;
    }

    .video-description p {
        font-size: 0.9375rem;
    }

    .video-badge {
        font-size: 0.6875rem;
        padding: 0.25rem 0.625rem;
    }

    .btn-complete,
    .btn-next {
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }

    .module-info h4 {
        font-size: 0.8125rem;
    }

    .module-number {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }

    .mobile-menu-toggle {
        width: 52px;
        height: 52px;
        bottom: var(--space-lg);
        right: var(--space-lg);
    }

    .video-content {
        padding: var(--space-lg) var(--space-sm);
    }
}