/* ============================================================
   ULTRA PREMIUM PRO TURBO - CSS Global
   Module Anglais 2BAC - Version 1.0
   ============================================================ */

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a252f;
    --primary-light: #2c3e50;
    --secondary: #3498db;
    --secondary-dark: #2980b9;
    --accent: #e74c3c;
    --success: #2ecc71;
    --warning: #f39c12;
    --purple: #9b59b6;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gray: #95a5a6;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --radius: 12px;
    --transition: all 0.3s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: #f8f9fa;
    color: var(--dark);
    line-height: 1.7;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-dark);
}

/* ===== UTILITIES ===== */
.container, .container-fluid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

.text-center { text-align: center; }
.text-muted { color: var(--gray); }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.p-20 { padding: 20px; }

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    min-height: 56px;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
    transition: var(--transition);
}

.nav-brand a:hover {
    color: var(--secondary);
}

.nav-brand .brand-icon {
    font-size: 1.5rem;
}

.nav-brand .brand-text {
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2px;
    align-items: center;
}

.nav-menu > li > a {
    padding: 6px 14px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition);
    color: var(--dark);
    position: relative;
}

.nav-menu > li > a:hover {
    background: var(--light);
    color: var(--secondary);
}

.nav-menu > li > a.active {
    background: var(--light);
    color: var(--secondary);
}

/* ===== DROPDOWN ===== */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    min-width: 220px;
    padding: 6px 0;
    list-style: none;
    border: 1px solid #eee;
    z-index: 1001;
    animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 8px 18px;
    transition: var(--transition);
    font-size: 0.85rem;
    color: var(--dark);
}

.dropdown-menu li a:hover {
    background: var(--light);
    color: var(--secondary);
}

/* ===== NAV TOGGLE (Mobile) ===== */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-toggle:hover {
    background: var(--light);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO MINIMAL
   ============================================================ */
.hero-minimal {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px;
    padding: 18px 28px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-minimal-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-text h1 {
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    margin: 0;
}

.hero-text p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin: 0;
}

.hero-mini-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-mini-stats span {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.85);
    background: rgba(255,255,255,0.12);
    padding: 4px 14px;
    border-radius: 20px;
    font-weight: 500;
}

/* ============================================================
   SECTION PREMIUM
   ============================================================ */
.section-premium {
    margin-bottom: 20px;
}

.section-header-premium {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-header-premium h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.section-badge {
    font-size: 0.7rem;
    color: var(--gray);
    background: var(--light);
    padding: 2px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.voir-tout {
    font-size: 0.8rem;
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.voir-tout:hover {
    transform: translateX(3px);
    color: var(--secondary-dark);
}

/* ============================================================
   HEADER COMPACT (Pages internes)
   ============================================================ */
.premium-header-compact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0 6px;
    border-bottom: 2px solid rgba(52,152,219,0.08);
    flex-wrap: wrap;
    gap: 8px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-back-premium {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: var(--light);
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.75rem;
    transition: var(--transition);
    color: var(--dark);
}

.btn-back-premium:hover {
    background: #d5dbdb;
    transform: translateX(-3px);
}

.header-title-group {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.premium-title {
    font-size: 1.2rem;
    font-weight: 800;
    margin: 0;
    color: var(--primary);
}

.premium-title .title-icon {
    margin-right: 4px;
}

.title-sub {
    font-size: 0.75rem;
    color: var(--gray);
    font-weight: 400;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mini-progress {
    display: flex;
    align-items: center;
    gap: 6px;
}

.mini-label {
    font-size: 0.65rem;
    color: var(--gray);
    font-weight: 600;
}

.mini-bar {
    width: 50px;
    height: 4px;
    background: var(--light);
    border-radius: 4px;
    overflow: hidden;
}

.mini-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary), var(--success));
    border-radius: 4px;
    transition: width 0.8s ease;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.premium-breadcrumb-compact {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0 8px;
    font-size: 0.75rem;
    color: var(--gray);
    flex-wrap: wrap;
}

.premium-breadcrumb-compact a {
    color: var(--secondary);
    transition: var(--transition);
}

.premium-breadcrumb-compact a:hover {
    color: var(--primary);
}

.premium-breadcrumb-compact .separator {
    color: #bdc3c7;
}

.premium-breadcrumb-compact .current {
    color: var(--dark);
    font-weight: 600;
}

/* ============================================================
   CARDS
   ============================================================ */
.premium-card {
    background: white;
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    border: 1px solid #ecf0f1;
    transition: var(--transition);
}

.premium-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.compact-card {
    background: white;
    border-radius: var(--radius);
    padding: 12px 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    border: 1px solid #ecf0f1;
}

/* ============================================================
   GRID
   ============================================================ */
.row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.premium-grid-compact {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.premium-grid-compact .col-md-8 {
    flex: 0 0 65%;
    max-width: 65%;
}

.premium-grid-compact .col-md-4 {
    flex: 0 0 33%;
    max-width: 33%;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.compact-sidebar {
    padding: 12px 14px;
    margin-bottom: 10px;
    border-radius: var(--radius);
    background: white;
    border: 1px solid #ecf0f1;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.sidebar-icon {
    font-size: 1rem;
}

.sidebar-header h3 {
    font-size: 0.8rem;
    font-weight: 700;
    margin: 0;
    color: var(--primary);
}

.sidebar-list-compact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list-compact li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 2px 0;
    font-size: 0.78rem;
    color: #555;
}

.sidebar-list-compact .bullet {
    font-size: 0.75rem;
}

.sidebar-trans {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid #ecf0f1;
}

/* ============================================================
   UNIT CARDS
   ============================================================ */
.units-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.unit-card {
    background: white;
    border-radius: 14px;
    padding: 14px 16px;
    border: 1px solid #ecf0f1;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.unit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent, var(--secondary));
}

.unit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    border-color: var(--accent, var(--secondary));
}

.unit-icon {
    font-size: 2rem;
}

.unit-num {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--gray);
    background: var(--light);
    padding: 2px 10px;
    border-radius: 12px;
    margin: 4px 0;
}

.unit-card h3 {
    font-size: 0.82rem;
    font-weight: 600;
    margin: 4px 0;
}

.unit-link {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent, var(--secondary));
    transition: var(--transition);
}

.unit-card:hover .unit-link {
    transform: translateX(3px);
}

/* ============================================================
   UNIT NAVIGATION
   ============================================================ */
.unit-nav-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 12px;
}

.unit-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border-radius: 10px;
    border: 1px solid #ecf0f1;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.unit-nav-item:hover {
    border-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.unit-nav-item.highlight {
    border-color: var(--secondary);
    background: #ebf5fb;
}

.unit-nav-item span:first-child {
    font-size: 1.5rem;
}

.unit-nav-item h3 {
    font-size: 0.85rem;
    font-weight: 700;
    margin: 0;
}

.unit-nav-item p {
    font-size: 0.7rem;
    color: var(--gray);
    margin: 0;
}

.unit-nav-item .nav-arrow {
    margin-left: auto;
    color: var(--gray);
    font-size: 0.8rem;
}

.unit-nav-item.highlight .nav-arrow {
    color: var(--secondary);
}

/* ============================================================
   VOCABULARY
   ============================================================ */
.vocab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.vocab-item {
    padding: 10px 12px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 3px solid var(--secondary);
}

.vocab-word {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary);
}

.vocab-trans {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
}

.vocab-example {
    display: block;
    font-size: 0.78rem;
    font-style: italic;
    color: #555;
    margin-top: 4px;
}

.vocab-synonym {
    display: block;
    font-size: 0.7rem;
    color: var(--gray);
    margin-top: 2px;
}

/* ============================================================
   FUNCTIONS
   ============================================================ */
.functions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.function-item {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    background: #f8f9fa;
    border-radius: 8px;
}

.function-icon {
    font-size: 1.5rem;
}

.function-item h4 {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0 0 4px;
}

.function-item ul {
    margin: 0;
    padding-left: 16px;
    font-size: 0.78rem;
    color: #555;
}

.function-item ul li {
    padding: 2px 0;
}

.function-trans {
    font-size: 0.7rem;
    color: var(--gray);
    margin-top: 4px;
}

/* ============================================================
   TABLES
   ============================================================ */
.premium-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.premium-table th {
    background: var(--primary);
    color: white;
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
}

.premium-table td {
    padding: 8px 12px;
    border-bottom: 1px solid #ecf0f1;
}

.premium-table tbody tr:hover td {
    background: #f8f9fa;
}

/* ============================================================
   FORMS & INPUTS
   ============================================================ */
.exercise-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    font-size: 0.85rem;
    font-family: inherit;
    resize: vertical;
    transition: var(--transition);
    min-height: 80px;
}

.exercise-textarea:focus {
    border-color: var(--secondary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(52,152,219,0.1);
}

.vocab-fill, .grammar-fill, .function-fill {
    padding: 2px 8px;
    border: 2px solid #ecf0f1;
    border-radius: 4px;
    font-size: 0.85rem;
    transition: var(--transition);
    font-family: inherit;
}

.vocab-fill:focus, .grammar-fill:focus, .function-fill:focus {
    border-color: var(--secondary);
    outline: none;
}

/* ============================================================
   EXERCISE CARDS
   ============================================================ */
.exercise-premium-card {
    background: white;
    border-radius: var(--radius);
    border: 1px solid #ecf0f1;
    overflow: hidden;
    transition: var(--transition);
}

.exercise-premium-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.exercise-premium-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    background: #fafafa;
    transition: var(--transition);
}

.exercise-premium-header:hover {
    background: #f0f0f0;
}

.exercise-premium-number {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 45px;
}

.exercise-premium-number .ex-num {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--secondary);
}

.exercise-premium-number .ex-points {
    font-size: 0.55rem;
    color: var(--gray);
    font-weight: 600;
}

.exercise-premium-title {
    flex: 1;
}

.exercise-premium-title h3 {
    font-size: 0.85rem;
    font-weight: 700;
    margin: 0;
}

.ex-toggle-btn {
    background: none;
    border: none;
    font-size: 0.9rem;
    color: var(--gray);
    cursor: pointer;
    padding: 4px 8px;
    transition: var(--transition);
}

.ex-toggle-btn:hover {
    color: var(--secondary);
}

.exercise-premium-body {
    display: none;
    padding: 0 16px 16px;
}

.exercise-premium-card.open .exercise-premium-body {
    display: block;
}

.exercise-premium-card.open .ex-toggle-btn i {
    transform: rotate(180deg);
}

.correction-toggle {
    margin-top: 10px;
    padding: 6px 16px;
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.correction-toggle:hover {
    background: var(--secondary-dark);
}

.correction-content {
    display: none;
    margin-top: 10px;
}

.correction-content.show {
    display: block;
}

.correction-box {
    background: #f0f7ff;
    padding: 14px 18px;
    border-radius: 8px;
    border-left: 4px solid var(--success);
}

.correction-box h4 {
    color: var(--success);
    margin: 0 0 6px;
    font-size: 0.9rem;
}

.correction-explication {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #d6eaf8;
}

.correction-explication ul {
    margin: 4px 0;
    padding-left: 18px;
    font-size: 0.85rem;
}

.correction-explication ul li {
    padding: 2px 0;
}

/* ============================================================
   QUIZ
   ============================================================ */
.quiz-container {
    margin-top: 12px;
}

.quiz-question {
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 3px solid var(--secondary);
}

.quiz-question p {
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0 0 6px;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.82rem;
}

.quiz-options label {
    cursor: pointer;
    padding: 2px 0;
    transition: var(--transition);
}

.quiz-options label:hover {
    color: var(--secondary);
}

.quiz-options input[type="radio"] {
    accent-color: var(--secondary);
    margin-right: 6px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.quiz-submit {
    padding: 8px 24px;
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.quiz-submit:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

.quiz-reset {
    padding: 8px 20px;
    background: var(--light);
    color: var(--dark);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.quiz-reset:hover {
    background: #d5dbdb;
}

/* ============================================================
   TOOLS GRID
   ============================================================ */
.tools-grid-v2 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.tool-card-v2 {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 10px 6px;
    background: white;
    border-radius: 10px;
    border: 1px solid #ecf0f1;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.tool-card-v2:hover {
    border-color: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.tool-icon-v2 {
    font-size: 1.3rem;
}

.tool-name-v2 {
    font-size: 0.65rem;
    font-weight: 600;
    margin-top: 4px;
}

/* ============================================================
   GRAMMAR CARDS
   ============================================================ */
.grammar-grid-home {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.grammar-card-home {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 10px 6px;
    background: white;
    border-radius: 10px;
    border: 1px solid #ecf0f1;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.grammar-card-home:hover {
    border-color: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.grammar-icon {
    font-size: 1.3rem;
}

.grammar-name {
    font-size: 0.6rem;
    font-weight: 600;
    margin-top: 4px;
}

/* ============================================================
   WRITING CARDS
   ============================================================ */
.writing-grid-home {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.writing-card-home {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border-radius: 10px;
    border: 1px solid #ecf0f1;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.writing-card-home:hover {
    border-color: var(--secondary);
    transform: translateY(-2px);
}

.writing-card-home span:first-child {
    font-size: 1.5rem;
}

.writing-card-home h3 {
    font-size: 0.82rem;
    font-weight: 700;
    margin: 0;
}

.writing-card-home p {
    font-size: 0.7rem;
    color: var(--gray);
    margin: 0;
}

/* ============================================================
   EXAMS GRID
   ============================================================ */
.exams-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.exam-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: white;
    border-radius: 10px;
    border: 1px solid #ecf0f1;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
    font-weight: 600;
    font-size: 0.85rem;
}

.exam-card:hover {
    border-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.exam-card span:first-child {
    font-size: 1.3rem;
}

.exam-arrow {
    margin-left: auto;
    color: var(--gray);
}

.exams-grid-full {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}

.exam-card-full {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: white;
    border-radius: 12px;
    border: 1px solid #ecf0f1;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.exam-card-full:hover {
    border-color: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.exam-card-full span:first-child {
    font-size: 2rem;
}

.exam-card-full h3 {
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0;
}

.exam-card-full p {
    font-size: 0.78rem;
    color: var(--gray);
    margin: 0;
}

/* ============================================================
   TIPS / CONSEILS
   ============================================================ */
.conseils-section-v2 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 20px;
    padding: 14px 18px;
    background: #f8f9fa;
    border-radius: var(--radius);
}

.conseil-item-v2 {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.conseil-item-v2 > span {
    font-size: 1.1rem;
}

.conseil-item-v2 h4 {
    font-size: 0.78rem;
    font-weight: 700;
    margin: 0;
}

.conseil-item-v2 p {
    font-size: 0.7rem;
    color: var(--gray);
    margin: 2px 0 0;
}

/* ============================================================
   READING TEXT
   ============================================================ */
.reading-text {
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--secondary);
}

.reading-text h3 {
    font-size: 0.9rem;
    color: var(--secondary);
    margin: 0 0 6px;
}

.reading-text p {
    font-size: 0.85rem;
    line-height: 1.8;
    color: #555;
}

.reading-trans {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #ecf0f1;
}

/* ============================================================
   MODEL ANSWER
   ============================================================ */
.model-answer {
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--secondary);
}

.model-answer h3 {
    font-size: 0.9rem;
    color: var(--secondary);
    margin: 0 0 6px;
}

.model-answer p {
    font-size: 0.85rem;
    line-height: 1.8;
    color: #555;
}

.model-trans {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #ecf0f1;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    background: var(--primary);
    color: rgba(255,255,255,0.8);
    padding: 40px 0 20px;
    margin-top: 40px;
    border-top: 3px solid var(--secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h4 {
    color: white;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    padding: 4px 0;
}

.footer-col ul li a {
    transition: var(--transition);
    font-size: 0.85rem;
}

.footer-col ul li a:hover {
    color: white;
}

.footer-col p {
    font-size: 0.85rem;
    opacity: 0.7;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .units-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tools-grid-v2 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .grammar-grid-home {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .writing-grid-home {
        grid-template-columns: 1fr 1fr;
    }
    
    .exams-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .functions-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .premium-grid-compact .col-md-8,
    .premium-grid-compact .col-md-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 12px 0;
        gap: 2px;
        background: white;
        border-top: 1px solid #ecf0f1;
    }
    
    .nav-menu.open {
        display: flex;
    }
    
    .nav-menu > li > a {
        padding: 8px 14px;
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 16px;
        background: #f8f9fa;
        border-radius: 8px;
    }
    
    .dropdown:hover .dropdown-menu {
        display: none;
    }
    
    .dropdown.open .dropdown-menu {
        display: block;
    }
    
    .hero-minimal {
        padding: 14px 18px;
    }
    
    .hero-text h1 {
        font-size: 1.1rem;
    }
    
    .hero-mini-stats {
        gap: 10px;
    }
    
    .hero-mini-stats span {
        font-size: 0.7rem;
        padding: 3px 10px;
    }
    
    .units-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .tools-grid-v2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grammar-grid-home {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .writing-grid-home {
        grid-template-columns: 1fr;
    }
    
    .exams-grid {
        grid-template-columns: 1fr;
    }
    
    .exams-grid-full {
        grid-template-columns: 1fr;
    }
    
    .conseils-section-v2 {
        grid-template-columns: 1fr 1fr;
    }
    
    .section-header-premium {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .premium-header-compact {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-left {
        width: 100%;
    }
    
    .header-right {
        width: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
    }
    
    .header-title-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }
    
    .premium-title {
        font-size: 1rem;
    }
    
    .title-sub {
        font-size: 0.65rem;
    }
    
    .vocab-grid {
        grid-template-columns: 1fr;
    }
    
    .functions-grid {
        grid-template-columns: 1fr;
    }
    
    .unit-nav-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-mini-stats {
        gap: 6px;
    }
    
    .hero-mini-stats span {
        font-size: 0.6rem;
        padding: 2px 8px;
    }
    
    .units-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid-v2 {
        grid-template-columns: 1fr 1fr;
    }
    
    .grammar-grid-home {
        grid-template-columns: 1fr 1fr;
    }
    
    .conseils-section-v2 {
        grid-template-columns: 1fr;
    }
    
    .quiz-options {
        font-size: 0.78rem;
    }
    
    .exam-card-full {
        flex-direction: column;
        text-align: center;
    }
    
    .exam-arrow {
        margin-left: 0;
    }
}