:root {
    --primary: #155C10;
    --primary-light: #2563eb;
    --primary-bg: #eff6ff;
    --secondary: #0f766e;
    --secondary-bg: #f0fdf4;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --bg-page: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --accent-orange: #f97316;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/*body {
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    padding: 20px 15px 50px 15px;
}

.container {
    max-width: 1050px;
    margin: 0 auto;
}*/

/* Header Section */
.header {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 35px 25px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 25px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.header p {
    font-size: 1.4rem;
    opacity: 0.9;
    max-width: 650px;
    margin: 0 auto;
}

.stats-bar {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.stat-badge {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Control Bar (Search + Actions) */
.control-bar {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    justify-content: space-between;
}

.search-box {
    flex: 1;
    min-width: 280px;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease;
}

.search-box input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.action-btns {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: #ffffff;
    color: var(--text-main);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn:hover {
    background: var(--primary-bg);
    border-color: var(--primary-light);
    color: var(--primary);
}

/* Main Menu Accordion */
.menu-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.main-menu-card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.main-menu-card:hover {
    box-shadow: var(--shadow-md);
}

.main-menu-header {
    padding: 18px 22px;
    background: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    border-left: 5px solid var(--primary);
    transition: background-color 0.2s;
}

.main-menu-header:hover {
    background-color: #f8fafc;
}

.main-menu-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--primary);
}

.menu-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge {
    background: var(--primary-bg);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 1.4rem;
    font-weight: 600;
}

.toggle-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: transform 0.3s ease, background 0.2s, color 0.2s;
    font-size: 1.4rem;
}

.main-menu-card.active .main-menu-header .toggle-icon {
    transform: rotate(180deg);
    background: var(--primary);
    color: white;
}

.main-menu-content {
    display: none;
    padding: 0 20px 20px 20px;
    border-top: 1px solid var(--border-color);
    background: #f8fafc;
}

.main-menu-card.active .main-menu-content {
    display: block;
}

/* Sub Menu Accordion */
.sub-menu-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 15px;
}

.sub-menu-card {
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.sub-menu-header {
    padding: 14px 18px;
    background: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.4rem;
    font-weight: 600;
    color: #1e293b;
    user-select: none;
    transition: background 0.2s;
    border-bottom: 1px solid transparent;
}

.sub-menu-header:hover {
    background: #f1f5f9;
}

.sub-menu-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sub-menu-card.active .sub-menu-header {
    border-bottom-color: #e2e8f0;
    background: #f8fafc;
}

.sub-menu-card.active .sub-menu-header .toggle-icon {
    transform: rotate(180deg);
    background: var(--secondary);
    color: white;
}

.sub-menu-content {
    display: none;
    padding: 14px 16px;
    background: #ffffff;
}

.sub-menu-card.active .sub-menu-content {
    display: block;
}

/* Question Accordion */
.question-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.question-card {
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s ease;
}

.question-card:hover {
    border-color: #cbd5e1;
}

.question-header {
    padding: 12px 16px;
    background: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text-main);
    user-select: none;
    line-height: 1.5;
}

.question-header:hover {
    background: #f8fafc;
}

.question-text {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.q-badge {
    background: #e0f2fe;
    color: #0369a1;
    font-size: 1.3rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 1px;
}

.question-card.active {
    border-color: #a7f3d0;
}

.question-card.active .question-header {
    background: #f0fdf4;
    color: #166534;
}

.question-card.active .question-header .toggle-icon {
    transform: rotate(180deg);
    background: #166534;
    color: white;
}

.answer-content {
    display: none;
    padding: 14px 18px 16px 48px;
    background: #fafafa;
    border-top: 1px solid #e2e8f0;
    font-size: 1.4rem;
    color: #334155;
    line-height: 1.65;
}

.question-card.active .answer-content {
    display: block;
}

.answer-content a {
    color: var(--primary-light);
    text-decoration: underline;
    word-break: break-all;
    font-weight: 500;
}

.answer-content a:hover {
    color: var(--primary);
}

.no-results {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 12px;
    color: var(--text-muted);
    display: none;
}

.no-results i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: #cbd5e1;
}

@media (max-width: 640px) {
    .header {
        padding: 25px 15px;
    }
    .header h1 {
        font-size: 1.4rem;
    }
    .main-menu-header {
        padding: 14px 16px;
    }
    .main-menu-content {
        padding: 0 12px 15px 12px;
    }
    .answer-content {
        padding-left: 16px;
    }
}