/**
 * MindLeague — Course System Styles
 *
 * @package MindLeague
 */

/* ==========================================================================
   ARCHIVE PAGE — FILTER TABS
   ========================================================================== */
.corsi-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 48px;
}

.corsi-filter-btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-alt-bg);
    border: 2px solid var(--color-border);
    text-decoration: none;
    transition: all 0.3s ease;
}

.corsi-filter-btn:hover,
.corsi-filter-btn.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* ==========================================================================
   ARCHIVE PAGE — COURSE GRID
   ========================================================================== */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

/* ==========================================================================
   COURSE CARD
   ========================================================================== */
.course-card {
    background: var(--color-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.course-card-thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    background: var(--color-alt-bg);
}

.course-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.course-card:hover .course-card-thumb img {
    transform: scale(1.05);
}

.course-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: linear-gradient(135deg, var(--color-alt-bg), var(--color-border));
}

.course-card-cat {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--color-accent);
    color: #fff;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-card-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
    line-height: 1.3;
}

.course-card-title a {
    color: var(--color-primary);
    text-decoration: none;
}

.course-card-title a:hover {
    color: var(--color-accent);
}

.course-card-excerpt {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}

.course-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.course-card-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    color: #888;
    font-weight: 500;
}

.course-card-meta-item svg {
    flex-shrink: 0;
    opacity: 0.6;
}

.course-card-btn {
    padding: 10px 24px;
    font-size: 0.85rem;
    text-align: center;
    width: 100%;
}

/* ==========================================================================
   ARCHIVE PAGE — EMPTY STATE
   ========================================================================== */
.corsi-empty {
    text-align: center;
    padding: 80px 20px;
}

.corsi-empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.corsi-empty h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.corsi-empty p {
    color: #666;
    margin-bottom: 24px;
}

/* ==========================================================================
   SINGLE COURSE — PREVIEW MODE
   ========================================================================== */
.corso-hero-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 12px;
    font-size: 0.95rem;
    opacity: 0.9;
}

.corso-hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.corso-hero-meta span::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

.corso-hero-meta span:first-child::before {
    display: none;
}

.corso-preview-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 40px;
    align-items: flex-start;
}

.corso-featured-img {
    width: 100%;
    border-radius: 16px;
    margin-bottom: 32px;
}

.corso-description {
    line-height: 1.8;
    color: #444;
    margin-bottom: 40px;
}

.corso-description p {
    margin-bottom: 1.2rem;
}

/* Course Outline */
.corso-outline {
    margin-top: 32px;
}

.corso-outline h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.corso-outline-list {
    list-style: none;
    counter-reset: outline;
    padding: 0;
    margin: 0;
}

.corso-outline-list li {
    counter-increment: outline;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    margin-bottom: 8px;
    transition: background-color 0.2s ease;
}

.corso-outline-list li::before {
    content: counter(outline);
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-alt-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent);
}

.corso-outline-list li:hover {
    background: var(--color-alt-bg);
}

.outline-tipo {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 10px;
    border-radius: 50px;
    background: var(--color-alt-bg);
    color: #888;
}

.outline-tipo-video {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.outline-tipo-testo {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.outline-tipo-pdf {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.outline-tipo-quiz {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* CTA Sidebar Box */
.corso-cta-box {
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    position: sticky;
    top: 100px;
}

.corso-cta-box h3 {
    color: var(--color-secondary);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.corso-cta-box p {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: #555;
}

.corso-cta-box p strong {
    color: var(--color-primary);
}

.corso-cta-box .btn-block {
    width: 100%;
    margin-top: 20px;
}

/* ==========================================================================
   ENROLLMENT MODAL
   ========================================================================== */
.ml-modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(15, 25, 35, 0.7);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.ml-modal-backdrop.open {
    display: flex;
}

.ml-modal {
    background: var(--color-bg);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.ml-modal h2 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.ml-modal-subtitle {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.ml-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--color-alt-bg);
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: background-color 0.2s ease;
}

.ml-modal-close:hover {
    background: var(--color-border);
}

.ml-modal-message {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: none;
}

.ml-modal-message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.ml-modal-message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ==========================================================================
   ENROLLMENT FORM
   ========================================================================== */
.ml-enroll-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ml-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.ml-form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ml-form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
}

.ml-form-group input[type="text"],
.ml-form-group input[type="email"],
.ml-form-group input[type="tel"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.3s ease;
}

.ml-form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.ml-form-group.has-error input {
    border-color: #ef4444;
}

.ml-field-error {
    font-size: 0.78rem;
    color: #ef4444;
    min-height: 18px;
}

.ml-form-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    color: #555;
    cursor: pointer;
    line-height: 1.4;
}

.ml-form-checkbox input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
}

.ml-form-checkbox a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ==========================================================================
   COURSE PLAYER — LAYOUT
   ========================================================================== */
.corso-player {
    min-height: 100vh;
    background: var(--color-alt-bg);
}

.corso-player-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    min-height: calc(100vh - 80px);
}

/* Mobile toggle */
.corso-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    padding: 12px 20px;
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: transform 0.2s ease;
}

.corso-sidebar-toggle:hover {
    transform: scale(1.05);
}

.corso-sidebar-toggle .dashicons {
    margin-right: 4px;
    vertical-align: middle;
}

/* ==========================================================================
   COURSE PLAYER — SIDEBAR
   ========================================================================== */
.corso-sidebar {
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    padding: 28px 20px;
    overflow-y: auto;
    max-height: calc(100vh - 80px);
    position: sticky;
    top: 80px;
}

.corso-sidebar-title {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
    line-height: 1.3;
}

/* ==========================================================================
   COURSE PLAYER — PROGRESS BAR
   ========================================================================== */
.corso-progress-wrap {
    margin-bottom: 24px;
}

.corso-progress-bar {
    height: 8px;
    background: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.corso-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 0;
}

.corso-progress-text {
    font-size: 0.8rem;
    color: #888;
    font-weight: 500;
}

/* ==========================================================================
   COURSE PLAYER — MODULE LIST
   ========================================================================== */
.corso-moduli-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.corso-modulo-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    user-select: none;
}

.corso-modulo-item:hover {
    background: rgba(59, 130, 246, 0.06);
}

.corso-modulo-item.active {
    background: rgba(59, 130, 246, 0.1);
}

.corso-modulo-item.active .modulo-item-title {
    color: var(--color-accent);
    font-weight: 600;
}

.modulo-status {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-alt-bg);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: #999;
    transition: all 0.3s ease;
}

.corso-modulo-item.completed .modulo-status {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: #fff;
    font-size: 0.85rem;
}

.corso-modulo-item.active .modulo-status {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.modulo-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.modulo-item-title {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modulo-item-tipo {
    font-size: 0.72rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ==========================================================================
   COURSE PLAYER — MAIN CONTENT AREA
   ========================================================================== */
.corso-main {
    padding: 40px;
    max-width: 900px;
}

.corso-main-loading {
    text-align: center;
    padding: 80px 20px;
    color: #888;
    font-size: 1.1rem;
}

.corso-main-error {
    text-align: center;
    padding: 60px 20px;
    color: #dc2626;
}

/* Module title */
.modulo-titolo {
    font-size: 1.6rem;
    margin-bottom: 12px;
    line-height: 1.3;
}

/* Module type badge */
.modulo-tipo-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 28px;
}

.modulo-tipo-video {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.modulo-tipo-testo {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.modulo-tipo-pdf {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

.modulo-tipo-quiz {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* ==========================================================================
   MODULE CONTENT — VIDEO
   ========================================================================== */
.modulo-video-wrap {
    margin-bottom: 32px;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
}

.modulo-video-wrap iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
    display: block;
}

/* ==========================================================================
   MODULE CONTENT — TEXT
   ========================================================================== */
.modulo-testo-content {
    line-height: 1.8;
    color: #444;
    margin-bottom: 32px;
    font-size: 1rem;
}

.modulo-testo-content p {
    margin-bottom: 1.2rem;
}

.modulo-testo-content h2,
.modulo-testo-content h3,
.modulo-testo-content h4 {
    margin: 1.5rem 0 0.8rem;
    color: var(--color-primary);
}

.modulo-testo-content ul,
.modulo-testo-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1.2rem;
}

.modulo-testo-content li {
    margin-bottom: 0.5rem;
}

.modulo-testo-content blockquote {
    border-left: 4px solid var(--color-accent);
    padding: 16px 24px;
    margin: 1.5rem 0;
    background: var(--color-alt-bg);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: #555;
}

/* ==========================================================================
   MODULE CONTENT — PDF
   ========================================================================== */
.modulo-pdf-wrap {
    margin-bottom: 32px;
}

.modulo-pdf-viewer {
    width: 100%;
    height: 600px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
}

.modulo-pdf-fallback {
    text-align: center;
    margin-top: 12px;
}

/* ==========================================================================
   MODULE CONTENT — QUIZ PLACEHOLDER
   ========================================================================== */
.modulo-quiz-placeholder {
    background: var(--color-alt-bg);
    border: 2px dashed var(--color-border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    color: #888;
    margin-bottom: 32px;
}

/* ==========================================================================
   MODULE — ERROR
   ========================================================================== */
.modulo-error {
    color: #dc2626;
    background: #fee2e2;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 32px;
}

/* ==========================================================================
   MODULE — COMPLETE BUTTON & STATUS
   ========================================================================== */
.modulo-complete-btn {
    margin-top: 8px;
    margin-bottom: 24px;
}

.modulo-complete-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 8px;
    margin-bottom: 24px;
}

.modulo-complete-status.completed {
    background: #d1fae5;
    color: #065f46;
}

.modulo-complete-status.completed span {
    font-size: 1.1rem;
}

/* ==========================================================================
   MODULE — NAVIGATION
   ========================================================================== */
.modulo-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-top: 28px;
    margin-top: 16px;
    border-top: 1px solid var(--color-border);
}

.modulo-nav-btn {
    cursor: pointer;
}

/* ==========================================================================
   CONGRATULATIONS OVERLAY
   ========================================================================== */
.ml-congrats-overlay {
    position: fixed;
    inset: 0;
    z-index: 10001;
    background: rgba(15, 25, 35, 0.85);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.ml-congrats-inner {
    background: var(--color-bg);
    border-radius: 24px;
    padding: 60px 48px;
    text-align: center;
    max-width: 480px;
    width: 100%;
    animation: congratsBounce 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes congratsBounce {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.ml-congrats-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.ml-congrats-inner h2 {
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--color-secondary);
}

.ml-congrats-inner p {
    color: #555;
    font-size: 1.05rem;
    margin-bottom: 28px;
    line-height: 1.6;
}

/* ==========================================================================
   RESPONSIVE — TABLET (< 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .corso-preview-layout {
        grid-template-columns: 1fr;
    }

    .corso-preview-sidebar {
        order: -1;
    }

    .corso-cta-box {
        position: static;
    }

    /* Player: stacked layout on tablet */
    .corso-player-layout {
        grid-template-columns: 1fr;
    }

    .corso-sidebar {
        position: fixed;
        top: 0;
        left: -320px;
        width: 300px;
        height: 100vh;
        max-height: 100vh;
        z-index: 999;
        border-right: 1px solid var(--color-border);
        transition: left 0.3s ease;
        box-shadow: none;
    }

    .corso-sidebar.open {
        left: 0;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    }

    .corso-sidebar-toggle {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .corso-main {
        padding: 28px 20px;
    }
}

/* ==========================================================================
   RESPONSIVE — MOBILE (< 768px)
   ========================================================================== */
@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .corsi-filter {
        gap: 8px;
        margin-bottom: 32px;
    }

    .corsi-filter-btn {
        padding: 8px 18px;
        font-size: 0.82rem;
    }

    .ml-modal {
        padding: 28px 20px;
        border-radius: 16px;
    }

    .ml-form-row {
        grid-template-columns: 1fr;
    }

    .corso-main {
        padding: 20px 16px;
    }

    .modulo-titolo {
        font-size: 1.3rem;
    }

    .modulo-nav {
        flex-direction: column;
        gap: 12px;
    }

    .modulo-nav-btn {
        width: 100%;
        text-align: center;
    }

    .modulo-pdf-viewer {
        height: 400px;
    }

    .ml-congrats-inner {
        padding: 40px 24px;
    }

    .ml-congrats-inner h2 {
        font-size: 1.6rem;
    }
}

/* ==========================================================================
   RESPONSIVE — SMALL MOBILE (< 480px)
   ========================================================================== */
@media (max-width: 480px) {
    .course-card-meta {
        flex-direction: column;
        gap: 6px;
    }

    .corso-hero-meta {
        flex-direction: column;
        gap: 8px;
    }
}