/* ==========================================================================
   Tutivar Interactive Components & German Learning Widgets
   ========================================================================== */

/* 1. Hero Banner Component */
.tutivar-hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: #FFFFFF;
    border-radius: var(--tutivar-radius-lg);
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--tutivar-shadow-lg);
    position: relative;
    overflow: hidden;
    display: flex;
    gap: 28px;
    align-items: center;
}

.tutivar-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
}

.tutivar-hero-content {
    flex: 1;
    z-index: 2;
}

.tutivar-hero-badge {
    background: rgba(16, 185, 129, 0.2);
    color: #34D399;
    border: 1px solid rgba(52, 211, 153, 0.3);
    padding: 4px 14px;
    border-radius: var(--tutivar-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 12px;
}

.tutivar-hero-title {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 8px 0;
    color: #FFFFFF;
    line-height: 1.3;
}

.tutivar-hero-subtitle {
    font-size: 1.05rem;
    color: #94A3B8;
    margin-bottom: 18px;
    line-height: 1.6;
}

.tutivar-hero-objectives {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.tutivar-hero-pill {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    padding: 6px 14px;
    border-radius: var(--tutivar-radius-sm);
    font-size: 0.85rem;
    color: #E2E8F0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tutivar-hero-image-box {
    width: 280px;
    flex-shrink: 0;
    border-radius: var(--tutivar-radius-md);
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border: 3px solid rgba(255, 255, 255, 0.15);
}

.tutivar-hero-image-box img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 850px) {
    .tutivar-hero {
        flex-direction: column;
        padding: 24px;
        text-align: center;
    }
    .tutivar-hero-objectives {
        justify-content: center;
    }
    .tutivar-hero-image-box {
        width: 100%;
        max-width: 320px;
    }
}

/* 2. Alphabet Soundboard Grid */
.tutivar-soundboard-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tutivar-tab-btn {
    padding: 8px 18px;
    border-radius: var(--tutivar-radius-full);
    border: 2px solid var(--tutivar-border);
    background: #FFFFFF;
    color: var(--tutivar-text-main);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tutivar-tab-btn.active,
.tutivar-tab-btn:hover {
    background: var(--tutivar-primary);
    border-color: var(--tutivar-primary);
    color: #FFFFFF;
}

.tutivar-letter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.tutivar-letter-tile {
    background: #FFFFFF;
    border: 2px solid var(--tutivar-border);
    border-radius: var(--tutivar-radius-md);
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 3px 0 var(--tutivar-border);
    position: relative;
    user-select: none;
}

.tutivar-letter-tile:hover {
    border-color: var(--tutivar-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 0 var(--tutivar-primary);
}

.tutivar-letter-tile:active,
.tutivar-letter-tile.playing {
    transform: translateY(2px);
    box-shadow: 0 1px 0 var(--tutivar-primary-dark);
    border-color: var(--tutivar-primary-dark);
    background: var(--tutivar-primary-light);
}

.tutivar-letter-char {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--tutivar-text-main);
    display: block;
    margin-bottom: 2px;
    font-family: var(--tutivar-font-latin);
}

.tutivar-letter-phonetic {
    font-size: 0.82rem;
    color: var(--tutivar-secondary);
    font-weight: 600;
    direction: ltr;
    display: block;
    margin-bottom: 6px;
}

.tutivar-letter-word {
    font-size: 0.78rem;
    color: var(--tutivar-text-muted);
    direction: ltr;
    background: var(--tutivar-bg);
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-block;
}

/* 3. Scenario & Dialogue Component */
.tutivar-scenario {
    background: #FFFFFF;
    border: 2px solid var(--tutivar-border);
    border-radius: var(--tutivar-radius-lg);
    box-shadow: var(--tutivar-shadow-md);
    margin-bottom: 32px;
    overflow: hidden;
}

.tutivar-scenario-header {
    background: #F8FAFC;
    padding: 18px 24px;
    border-bottom: 2px solid var(--tutivar-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.tutivar-scenario-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--tutivar-primary-dark);
    font-size: 1.05rem;
}

.tutivar-scenario-media {
    display: flex;
    gap: 20px;
    padding: 20px 24px 0 24px;
}

.tutivar-scenario-artwork {
    width: 280px;
    flex-shrink: 0;
    border-radius: var(--tutivar-radius-md);
    overflow: hidden;
    border: 2px solid var(--tutivar-border);
    box-shadow: var(--tutivar-shadow-sm);
}

.tutivar-scenario-artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.tutivar-scenario-context {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--tutivar-text-main);
}

@media (max-width: 768px) {
    .tutivar-scenario-media {
        flex-direction: column;
    }
    .tutivar-scenario-artwork {
        width: 100%;
        max-height: 200px;
    }
}

/* Audio Player Control Bar */
.tutivar-player-bar {
    margin: 20px 24px;
    padding: 14px 20px;
    background: #F1F5F9;
    border-radius: var(--tutivar-radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
}

.tutivar-player-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.tutivar-translation-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--tutivar-text-muted);
    cursor: pointer;
}

.tutivar-switch-input {
    appearance: none;
    width: 38px;
    height: 22px;
    background: #CBD5E1;
    border-radius: 20px;
    position: relative;
    cursor: pointer;
    outline: none;
    transition: background 0.2s ease;
}

.tutivar-switch-input::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #FFFFFF;
    top: 3px;
    left: 3px;
    transition: transform 0.2s ease;
}

.tutivar-switch-input:checked {
    background: var(--tutivar-primary);
}

.tutivar-switch-input:checked::after {
    transform: translateX(16px);
}

/* Dialogue Lines & Bubbles */
.tutivar-dialogue-feed {
    padding: 10px 24px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tutivar-speech-row {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    transition: all 0.3s ease;
    padding: 10px;
    border-radius: var(--tutivar-radius-md);
}

.tutivar-speech-row.speaker-b {
    flex-direction: row-reverse;
}

.tutivar-speech-row.active-speaking {
    background: var(--tutivar-primary-light);
    box-shadow: 0 0 0 2px var(--tutivar-primary);
}

.tutivar-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--tutivar-text-main);
    flex-shrink: 0;
    border: 2px solid #CBD5E1;
}

.tutivar-speech-row.speaker-a .tutivar-avatar {
    background: var(--tutivar-secondary-light);
    color: var(--tutivar-secondary);
    border-color: rgba(99, 102, 241, 0.3);
}

.tutivar-speech-row.speaker-b .tutivar-avatar {
    background: var(--tutivar-primary-light);
    color: var(--tutivar-primary-dark);
    border-color: rgba(16, 185, 129, 0.3);
}

.tutivar-bubble-wrap {
    max-width: 80%;
}

.tutivar-speech-bubble {
    background: #F8FAFC;
    border: 2px solid var(--tutivar-border);
    border-radius: 16px;
    padding: 12px 18px;
    position: relative;
    box-shadow: var(--tutivar-shadow-sm);
}

.tutivar-speech-row.speaker-a .tutivar-speech-bubble {
    border-top-right-radius: 4px;
}

.tutivar-speech-row.speaker-b .tutivar-speech-bubble {
    background: #F0FDF4;
    border-color: #BBF7D0;
    border-top-left-radius: 4px;
}

.tutivar-speaker-name {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--tutivar-text-muted);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tutivar-german-sentence {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--tutivar-text-main);
    direction: ltr;
    text-align: left;
    margin: 4px 0;
    line-height: 1.5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.tutivar-sentence-btn {
    background: transparent;
    border: none;
    color: var(--tutivar-secondary);
    cursor: pointer;
    padding: 4px;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    border-radius: 50%;
    transition: transform 0.15s ease;
}

.tutivar-sentence-btn:hover {
    transform: scale(1.15);
}

.tutivar-persian-translation {
    font-size: 0.88rem;
    color: #475569;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed #CBD5E1;
    line-height: 1.5;
    display: none;
}

.show-translations .tutivar-persian-translation {
    display: block;
}

/* 4. Inductive Grammar Discovery Box */
.tutivar-discovery-box {
    background: #F8FAFC;
    border: 2px solid #CBD5E1;
    border-right: 6px solid var(--tutivar-secondary);
    border-radius: var(--tutivar-radius-lg);
    padding: 24px;
    margin-bottom: 30px;
}

.tutivar-discovery-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--tutivar-secondary-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px 0;
}

.tutivar-contrast-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    background: #FFFFFF;
    border-radius: var(--tutivar-radius-md);
    overflow: hidden;
    box-shadow: var(--tutivar-shadow-sm);
}

.tutivar-contrast-table th,
.tutivar-contrast-table td {
    padding: 12px 16px;
    text-align: right;
    border-bottom: 1px solid var(--tutivar-border);
}

.tutivar-contrast-table th {
    background: #EEF2FF;
    color: var(--tutivar-secondary-dark);
    font-weight: 700;
}

/* 5. Interactive Exercise Widgets */
.tutivar-quiz-card {
    background: #FFFFFF;
    border: 2px solid var(--tutivar-border);
    border-radius: var(--tutivar-radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--tutivar-shadow-md);
}

.tutivar-question-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tutivar-text-main);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tutivar-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

@media (max-width: 600px) {
    .tutivar-options-grid {
        grid-template-columns: 1fr;
    }
}

.tutivar-opt-btn {
    background: #FFFFFF;
    border: 2px solid var(--tutivar-border);
    border-radius: var(--tutivar-radius-md);
    padding: 14px 18px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--tutivar-text-main);
    text-align: right;
    cursor: pointer;
    box-shadow: 0 3px 0 var(--tutivar-border);
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tutivar-opt-btn:hover {
    border-color: var(--tutivar-secondary);
    background: #F8FAFC;
    transform: translateY(-2px);
    box-shadow: 0 5px 0 var(--tutivar-secondary);
}

.tutivar-opt-btn.correct {
    background: #ECFDF5 !important;
    border-color: var(--tutivar-primary) !important;
    color: var(--tutivar-primary-dark) !important;
    box-shadow: 0 3px 0 var(--tutivar-primary-dark) !important;
}

.tutivar-opt-btn.wrong {
    background: #FEF2F2 !important;
    border-color: #EF4444 !important;
    color: #DC2626 !important;
    box-shadow: 0 3px 0 #DC2626 !important;
    animation: tutivarShake 0.4s ease;
}

@keyframes tutivarShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.tutivar-feedback-box {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: var(--tutivar-radius-md);
    font-size: 0.9rem;
    display: none;
    align-items: center;
    gap: 8px;
}

.tutivar-feedback-box.correct {
    display: flex;
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.tutivar-feedback-box.wrong {
    display: flex;
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

/* Score Summary Modal / Card */
.tutivar-score-card {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #FFFFFF;
    border-radius: var(--tutivar-radius-lg);
    padding: 30px;
    text-align: center;
    margin-top: 30px;
    box-shadow: var(--tutivar-shadow-lg);
}

.tutivar-score-card h3 {
    color: #FFFFFF;
    font-size: 1.6rem;
    margin-bottom: 8px;
}

/* ==========================================================================
   Duolingo-styled Authentication Modal & Smart Navbar
   ========================================================================== */

.tutivar-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: tutivarFadeIn 0.25s ease;
}

@keyframes tutivarFadeIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

.tutivar-modal-box {
    background: #FFFFFF;
    border-radius: 28px;
    max-width: 460px;
    width: 100%;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
    border: 3px solid #E5E5E5;
    position: relative;
    overflow: hidden;
    padding: 32px 28px;
    box-sizing: border-box;
}

.tutivar-modal-close {
    position: absolute;
    top: 16px;
    left: 20px;
    background: transparent;
    border: none;
    font-size: 2rem;
    color: #94A3B8;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
}

.tutivar-modal-close:hover {
    color: #EF4444;
}

.tutivar-modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.tutivar-modal-mascot {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 12px auto;
    overflow: hidden;
    border: 3px solid #58CC02;
    box-shadow: 0 8px 18px rgba(88, 204, 2, 0.25);
}

.tutivar-modal-mascot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tutivar-modal-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: #1E293B;
    margin: 0 0 6px 0;
}

.tutivar-modal-subtitle {
    font-size: 0.95rem;
    color: #64748B;
    margin: 0;
}

/* Auth Tabs */
.tutivar-auth-tabs {
    display: flex;
    background: #F1F5F9;
    padding: 4px;
    border-radius: 16px;
    margin-bottom: 22px;
    gap: 4px;
}

.tutivar-auth-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 800;
    color: #64748B;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tutivar-auth-tab.active {
    background: #FFFFFF;
    color: #58CC02;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* Inputs */
.tutivar-input-group {
    margin-bottom: 16px;
    text-align: right;
}

.tutivar-input-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 800;
    color: #334155;
    margin-bottom: 6px;
}

.tutivar-input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E2E8F0;
    border-radius: 14px;
    font-family: inherit;
    font-size: 0.95rem;
    background: #F8FAFC;
    color: #1E293B;
    outline: none;
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.tutivar-input-group input:focus {
    border-color: #58CC02;
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(88, 204, 2, 0.15);
}

.tutivar-form-alert {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.88rem;
    margin-bottom: 16px;
    font-weight: 700;
}

.tutivar-form-alert.success {
    background: #DCFCE7;
    color: #166534;
    border: 1px solid #BBF7D0;
}

.tutivar-form-alert.error {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.tutivar-btn-block {
    width: 100%;
    padding: 14px;
    font-size: 1.05rem;
    justify-content: center;
}

/* User Profile Badge in Header */
.tutivar-user-profile-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #FFFFFF;
    border: 2px solid #E5E5E5;
    padding: 4px 12px 4px 6px;
    border-radius: 20px;
    text-decoration: none;
    box-shadow: 0 2px 0 #E5E5E5;
    transition: all 0.2s ease;
}

.tutivar-user-profile-badge:hover {
    border-color: #58CC02;
    transform: translateY(-1px);
}

.tutivar-user-avatar-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #58CC02;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.9rem;
}

/* ==========================================================================
   Cross-Device Component Responsiveness
   ========================================================================== */

/* Soundboard Tabs Horizontal Scroll on Mobile */
@media (max-width: 768px) {
    .tutivar-soundboard-tabs {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
        padding-bottom: 8px;
        gap: 8px;
        scrollbar-width: none;
    }
    
    .tutivar-soundboard-tabs::-webkit-scrollbar {
        display: none;
    }

    .tutivar-tab-btn {
        flex-shrink: 0;
        font-size: 0.85rem;
        padding: 8px 14px;
    }

    .tutivar-letter-grid {
        grid-template-columns: repeat(auto-fill, minmax(95px, 1fr)) !important;
        gap: 10px;
    }

    .tutivar-letter-tile {
        padding: 12px 6px;
    }

    .tutivar-letter-char {
        font-size: 1.3rem;
    }

    .tutivar-letter-phonetic {
        font-size: 0.82rem;
    }

    .tutivar-letter-word {
        font-size: 0.75rem;
    }

    /* Dialogue Responsive */
    .tutivar-scenario-media {
        flex-direction: column !important;
    }

    .tutivar-scenario-artwork {
        max-width: 100% !important;
    }

    .tutivar-player-bar {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
        padding: 12px 14px;
    }

    .tutivar-player-actions {
        display: flex;
        gap: 8px;
        width: 100%;
    }

    .tutivar-play-dialogue-btn {
        flex: 1;
        font-size: 0.92rem;
    }

    .tutivar-speech-row {
        gap: 10px;
        padding: 6px;
    }

    .tutivar-avatar {
        width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }

    .tutivar-speech-bubble {
        padding: 12px 14px;
    }

    .tutivar-german-sentence {
        font-size: 0.95rem;
    }

    .tutivar-persian-translation {
        font-size: 0.85rem;
    }

    /* Quizzes Single Column */
    .tutivar-options-grid {
        grid-template-columns: 1fr !important;
        gap: 10px;
    }

    .tutivar-opt-btn {
        padding: 12px 16px;
        font-size: 0.92rem;
    }

    /* Modal Responsive */
    .tutivar-modal-box {
        padding: 22px 16px;
        border-radius: 22px;
    }

    .tutivar-modal-title {
        font-size: 1.3rem;
    }

    .tutivar-modal-mascot {
        width: 64px;
        height: 64px;
    }
}

/* Contrast Table Responsive */
.tutivar-discovery-box {
    overflow-x: auto;
}

@media (max-width: 600px) {
    .tutivar-contrast-table {
        font-size: 0.88rem;
    }
    
    .tutivar-contrast-table th,
    .tutivar-contrast-table td {
        padding: 10px 8px;
    }
}

/* ==========================================================================
   Duolingo Skill Tree Node States (Locked, Active Pulse, Completed Golden)
   ========================================================================== */

.tutivar-tree-node {
    width: 82px;
    height: 82px;
    border-radius: 50%;
    border: 4px solid #FFFFFF;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    text-decoration: none !important;
    position: relative;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

/* 1. Completed State (Golden Mastered) */
.tutivar-tree-node.is-completed {
    background: linear-gradient(135deg, #FFD700 0%, #FFB800 100%) !important;
    box-shadow: 0 8px 0 #D49B00, 0 12px 20px rgba(255, 184, 0, 0.35) !important;
}

.tutivar-tree-node.is-completed::after {
    content: '✔';
    position: absolute;
    top: -4px;
    right: -4px;
    width: 26px;
    height: 26px;
    background: #58CC02;
    color: #FFFFFF;
    border: 2px solid #FFFFFF;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.tutivar-tree-node.is-completed:hover {
    transform: translateY(-3px) scale(1.04);
}

/* 2. Active State (Currently In-Progress - Pulsing Ring) */
.tutivar-tree-node.is-active {
    box-shadow: 0 8px 0 rgba(0, 0, 0, 0.22) !important;
    animation: tutivarActivePulse 2s infinite ease-in-out;
}

@keyframes tutivarActivePulse {
    0% {
        box-shadow: 0 8px 0 rgba(0, 0, 0, 0.22), 0 0 0 0 rgba(88, 204, 2, 0.6);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 8px 0 rgba(0, 0, 0, 0.22), 0 0 0 12px rgba(88, 204, 2, 0);
        transform: scale(1.05);
    }
    100% {
        box-shadow: 0 8px 0 rgba(0, 0, 0, 0.22), 0 0 0 0 rgba(88, 204, 2, 0);
        transform: scale(1);
    }
}

/* 3. Locked State */
.tutivar-tree-node.is-locked {
    background: #E2E8F0 !important;
    box-shadow: 0 6px 0 #CBD5E1 !important;
    border-color: #F8FAFC !important;
    color: #94A3B8 !important;
    cursor: not-allowed !important;
    opacity: 0.85;
}

.tutivar-tree-node.is-locked:hover {
    transform: none !important;
}

/* Node Tooltip / Label */
.tutivar-node-label {
    position: absolute;
    bottom: -28px;
    background: #FFFFFF;
    border: 2px solid #E5E5E5;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 800;
    color: #334155;
    white-space: nowrap;
    box-shadow: 0 2px 0 #E5E5E5;
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
    z-index: 10;
}

.tutivar-tree-node.is-locked ~ .tutivar-node-label {
    color: #94A3B8;
    background: #F8FAFC;
}

/* Reward Chest States */
.tutivar-reward-chest {
    width: 76px;
    height: 76px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.3rem;
    margin: 16px 0 8px 0;
    transition: all 0.2s ease;
    user-select: none;
}

.tutivar-reward-chest.is-unlocked {
    background: #FFC800;
    box-shadow: 0 6px 0 #E5B300, 0 10px 20px rgba(255, 200, 0, 0.35);
    cursor: pointer;
    animation: tutivarChestWobble 3s infinite ease-in-out;
}

@keyframes tutivarChestWobble {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-5deg) scale(1.05); }
    20%, 40% { transform: rotate(5deg) scale(1.05); }
    50% { transform: rotate(0deg); }
}

.tutivar-reward-chest.is-locked {
    background: #E2E8F0;
    box-shadow: 0 6px 0 #CBD5E1;
    color: #94A3B8;
    cursor: not-allowed;
    filter: grayscale(1);
    opacity: 0.7;
}

/* ==========================================================================
   Tutivar Next.js Port Component Styles
   ========================================================================== */

/* Hero Flag Ring */
.tutivar-hero-section {
    padding: 50px 0 70px 0;
    background: radial-gradient(circle at 80% 20%, rgba(13, 148, 136, 0.08) 0%, rgba(248, 250, 252, 0) 60%);
}

.tutivar-hero-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.tutivar-hero-text {
    flex: 1.2;
    min-width: 320px;
}

.tutivar-hero-visual {
    flex: 0.8;
    min-width: 280px;
    display: flex;
    justify-content: center;
}

.tutivar-hero-title {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1.3;
    color: #0F172A;
    margin: 16px 0 20px 0;
}

.tutivar-gradient-text {
    background: linear-gradient(135deg, #0D9488 0%, #0284C7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tutivar-hero-sub {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #64748B;
    margin-bottom: 28px;
}

.tutivar-hero-cta-group {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.tutivar-hero-meta-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.tutivar-meta-pill {
    font-size: 0.85rem;
    font-weight: 800;
    color: #475569;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    padding: 4px 12px;
    border-radius: 99px;
}

/* Flag Ring Orbit Container */
.tutivar-flag-ring-container {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tutivar-center-mascot {
    width: 200px;
    height: 200px;
    z-index: 10;
    animation: tutivarFloat 4s infinite ease-in-out;
}

.tutivar-mascot-img-main {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 15px 25px rgba(0,0,0,0.12));
}

@keyframes tutivarFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.tutivar-orbit-flag {
    position: absolute;
    width: 56px;
    height: 56px;
    background: #FFFFFF;
    border: 2px solid #E2E8F0;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
    transition: all 0.2s ease;
}

.tutivar-orbit-flag.is-active {
    border-color: #0D9488;
    background: #F0FDFA;
    transform: scale(1.15);
    box-shadow: 0 8px 20px rgba(13, 148, 136, 0.25);
}

.tutivar-flag-tag {
    font-size: 0.55rem;
    font-weight: 900;
    margin-top: -2px;
}

.flag-de { top: 0; left: 50%; transform: translateX(-50%) scale(1.15); }
.flag-en { top: 25%; right: 0; }
.flag-fr { bottom: 25%; right: 0; }
.flag-es { bottom: 0; left: 50%; transform: translateX(-50%); }
.flag-ar { bottom: 25%; left: 0; }
.flag-tr { top: 25%; left: 0; }

/* Stats Banner */
.tutivar-stats-banner {
    background: #FFFFFF;
    border-top: 1px solid #E2E8F0;
    border-bottom: 1px solid #E2E8F0;
    padding: 30px 0;
}

.tutivar-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.tutivar-stat-val {
    font-size: 2.2rem;
    font-weight: 900;
    color: #0D9488;
}

.tutivar-stat-lbl {
    font-size: 0.95rem;
    font-weight: 800;
    color: #64748B;
}

/* Start Here 5 Steps */
.tutivar-steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 30px;
}

.tutivar-step-card {
    background: #FFFFFF;
    border: 2px solid #E2E8F0;
    border-radius: 18px;
    padding: 20px 16px;
    position: relative;
    text-align: center;
    transition: all 0.2s ease;
}

.tutivar-step-card:hover {
    transform: translateY(-4px);
    border-color: #0D9488;
}

.tutivar-step-num {
    position: absolute;
    top: -12px;
    right: 14px;
    width: 26px;
    height: 26px;
    background: #0D9488;
    color: #FFFFFF;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tutivar-step-icon {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.tutivar-step-title {
    font-size: 1rem;
    font-weight: 900;
    color: #1E293B;
    margin: 0 0 6px 0;
}

.tutivar-step-desc {
    font-size: 0.82rem;
    color: #64748B;
    line-height: 1.6;
    margin: 0;
}

/* Comparison Card */
.tutivar-comparison-card {
    background: #F8FAFC;
    border: 2px solid #E2E8F0;
    border-radius: 24px;
    padding: 30px;
    margin-top: 30px;
}

.tutivar-comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.tutivar-comp-col {
    background: #FFFFFF;
    border-radius: 18px;
    padding: 24px;
    border: 2px solid #E2E8F0;
}

.comp-traditional {
    border-color: #FECDD3;
    background: #FFF1F2;
}

.comp-natural {
    border-color: #99F6E4;
    background: #F0FDFA;
}

.tutivar-comp-header {
    font-size: 1.15rem;
    font-weight: 900;
    margin-bottom: 14px;
}

.tutivar-comp-col ul {
    margin: 0;
    padding-right: 20px;
    color: #334155;
    line-height: 1.9;
    font-size: 0.95rem;
}

/* Testimonial Carousel */
.tutivar-testimonials-carousel-wrap {
    max-width: 720px;
    margin: 30px auto 0 auto;
    position: relative;
}

.tutivar-testimonial-slider {
    position: relative;
    min-height: 180px;
}

.tutivar-testimonial-card {
    background: #FFFFFF;
    border: 2px solid #E2E8F0;
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.04);
    display: none;
    animation: tutivarFadeIn 0.3s ease;
}

.tutivar-testimonial-card.active {
    display: block;
}

.tutivar-testimonial-stars {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.tutivar-testimonial-text {
    font-size: 1.1rem;
    color: #1E293B;
    line-height: 1.8;
    margin-bottom: 20px;
}

.tutivar-testimonial-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tutivar-avatar-badge {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #0D9488;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1rem;
}

.tutivar-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
}

.tutivar-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #CBD5E1;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tutivar-dot.active {
    background: #0D9488;
    width: 24px;
    border-radius: 99px;
}

/* Leaderboard Podium */
.tutivar-podium-wrap {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 18px;
    margin-top: 40px;
}

.tutivar-podium-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 160px;
}

.tutivar-crowned-parrot {
    width: 100px;
    height: 100px;
    animation: tutivarFloat 3s infinite ease-in-out;
}

.tutivar-crowned-parrot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tutivar-podium-avatar {
    font-size: 2.8rem;
    margin-bottom: 6px;
}

.tutivar-podium-name {
    font-weight: 900;
    color: #1E293B;
    font-size: 1rem;
}

.tutivar-podium-xp {
    font-size: 0.85rem;
    font-weight: 800;
    color: #0D9488;
    margin-bottom: 10px;
}

.tutivar-podium-stand {
    width: 100%;
    background: #0D9488;
    color: #FFFFFF;
    font-size: 2rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px 18px 0 0;
    box-shadow: 0 6px 15px rgba(13, 148, 136, 0.2);
}

.stand-1 { height: 140px; background: linear-gradient(180deg, #F59E0B 0%, #D97706 100%); }
.stand-2 { height: 100px; background: linear-gradient(180deg, #94A3B8 0%, #64748B 100%); }
.stand-3 { height: 75px; background: linear-gradient(180deg, #D97706 0%, #B45309 100%); }

/* 16 Poses Grid */
.tutivar-poses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 30px;
}

.tutivar-pose-card {
    background: #FFFFFF;
    border: 2px solid #E2E8F0;
    border-radius: 20px;
    padding: 16px;
    text-align: center;
    transition: all 0.2s ease;
}

.tutivar-pose-card:hover {
    transform: translateY(-4px);
    border-color: #0D9488;
}

.tutivar-pose-card img {
    width: 90px;
    height: 90px;
    object-fit: contain;
    margin-bottom: 8px;
}

.tutivar-pose-card span {
    display: block;
    font-size: 0.88rem;
    font-weight: 800;
    color: #334155;
}

/* Placement Card */
.tutivar-placement-card {
    background: #FFFFFF;
    border: 2px solid #E2E8F0;
    border-radius: 24px;
    padding: 36px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.04);
}

.tutivar-self-opt {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    background: #F8FAFC;
    border: 2px solid #E2E8F0;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: right;
    width: 100%;
}

.tutivar-self-opt:hover {
    border-color: #0D9488;
    background: #F0FDFA;
    transform: translateX(-4px);
}

.self-opt-title {
    font-size: 1.1rem;
    font-weight: 900;
    color: #1E293B;
}

.self-opt-desc {
    font-size: 0.85rem;
    color: #64748B;
    margin-top: 4px;
}

/* Placement Quiz */
.placement-progress-bar-wrap {
    width: 100%;
    height: 10px;
    background: #E2E8F0;
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 12px;
}

.placement-progress-bar-fill {
    height: 100%;
    background: #0D9488;
    transition: width 0.3s ease;
}

.placement-question-text {
    font-size: 1.35rem;
    font-weight: 900;
    color: #1E293B;
    margin: 20px 0;
    line-height: 1.6;
}

.placement-quiz-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.placement-opt-btn {
    padding: 14px 20px;
    border: 2px solid #E2E8F0;
    background: #FFFFFF;
    border-radius: 14px;
    font-size: 1.05rem;
    font-weight: 800;
    color: #334155;
    text-align: right;
    cursor: pointer;
    transition: all 0.15s ease;
}

.placement-opt-btn:hover {
    border-color: #0D9488;
    background: #F0FDFA;
}

.placement-opt-btn.correct {
    background: #DCFCE7 !important;
    border-color: #22C55E !important;
    color: #15803D !important;
}

.placement-opt-btn.wrong {
    background: #FFE4E6 !important;
    border-color: #F43F5E !important;
    color: #9F1239 !important;
}

/* Vocab Chips */
.tutivar-vocab-chips-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tutivar-vocab-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: #FFFFFF;
    border: 1.5px solid #E2E8F0;
    border-radius: 12px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tutivar-vocab-chip:hover {
    border-color: #0D9488;
    background: #F0FDFA;
    transform: translateY(-2px);
}

.chip-char {
    font-weight: 900;
    color: #0D9488;
}

.chip-meaning {
    color: #64748B;
    font-size: 0.8rem;
}

/* Footer Layout */
.tutivar-site-footer {
    background: #0F172A;
    color: #94A3B8;
    padding: 60px 0 30px 0;
    margin-top: 80px;
    border-top: 3px solid #0D9488;
}

.tutivar-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.tutivar-footer-logo-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.tutivar-footer-logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.tutivar-footer-logo-title {
    font-size: 1.3rem;
    font-weight: 900;
    color: #FFFFFF;
}

.tutivar-footer-logo-sub {
    font-size: 0.8rem;
    color: #0D9488;
}

.tutivar-footer-desc {
    font-size: 0.92rem;
    line-height: 1.8;
    color: #94A3B8;
    margin-bottom: 20px;
}

.tutivar-footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.tutivar-footer-contact-info a {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 800;
}

.tutivar-footer-socials {
    display: flex;
    gap: 10px;
}

.tutivar-social-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #1E293B;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.2s ease;
}

.tutivar-social-btn:hover {
    background: #0D9488;
    color: #FFFFFF;
    transform: translateY(-3px);
}

.tutivar-footer-heading {
    font-size: 1.1rem;
    font-weight: 900;
    color: #FFFFFF;
    margin: 0 0 16px 0;
}

.tutivar-footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tutivar-footer-list a {
    color: #94A3B8;
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 700;
    transition: color 0.15s ease;
}

.tutivar-footer-list a:hover {
    color: #0D9488;
}

.tutivar-footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #1E293B;
    text-align: center;
    font-size: 0.85rem;
    color: #64748B;
}

/* Responsiveness */
@media (max-width: 992px) {
    .tutivar-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .tutivar-steps-grid { grid-template-columns: repeat(2, 1fr); }
    .tutivar-comparison-grid { grid-template-columns: 1fr; }
    .tutivar-poses-grid { grid-template-columns: repeat(2, 1fr); }
    .tutivar-footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .tutivar-hero-title { font-size: 2rem; }
    .tutivar-steps-grid { grid-template-columns: 1fr; }
    .tutivar-stats-grid { grid-template-columns: 1fr; }
    .tutivar-podium-wrap { flex-direction: column; align-items: center; }
    .tutivar-podium-col { width: 100%; }
    .tutivar-podium-stand { height: 60px !important; border-radius: 12px; }
}