:root {
    --navy: #142b4a;
    --blue: #2358a5;
    --blue-light: #eaf2ff;
    --gold: #d9ad53;
    --text: #23334a;
    --muted: #718096;
    --border: #e1e8f0;
    --surface: #ffffff;
    --background: #f6f8fc;
    --success: #e8f7ed;
    --danger: #fff0f0;
    --radius: 16px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.65;
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.container {
    width: min(1120px, calc(100% - 36px));
    margin-inline: auto;
}

.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    min-height: 76px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--navy);
}

.brand:hover {
    text-decoration: none;
}

.brand-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 13px;
    background: var(--navy);
    color: white;
    font-size: 28px;
    font-family: "Noto Naskh Arabic", serif;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 19px;
}

.brand small {
    color: var(--muted);
    font-size: 11px;
}

.main-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
}

.main-nav a {
    font-size: 14px;
    font-weight: 600;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 18px;
    border: 0;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
    filter: brightness(.96);
}

.btn-primary {
    background: var(--blue);
    color: white;
}

.btn-secondary {
    background: var(--blue-light);
    color: var(--blue);
}

.hero {
    display: grid;
    grid-template-columns: 1.35fr .65fr;
    gap: 36px;
    align-items: center;
    margin-top: 34px;
    padding: 48px;
    background: linear-gradient(135deg, #fff, #eaf2ff);
    border: 1px solid var(--border);
    border-radius: 24px;
}

.eyebrow {
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.hero h1 {
    margin: 12px 0;
    max-width: 650px;
    color: var(--navy);
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.15;
}

.hero h1 span {
    color: var(--blue);
}

.hero-copy > p {
    max-width: 600px;
    color: var(--muted);
}

.hero-arabic {
    text-align: center;
    padding: 30px 18px;
    background: var(--navy);
    color: white;
    border-radius: 20px;
}

.arabic-symbol {
    color: var(--gold);
    font-family: "Noto Naskh Arabic", "Traditional Arabic", serif;
    font-size: clamp(38px, 6vw, 64px);
}

.search-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.search-form input,
.search-form select,
.form-control {
    min-width: 0;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: white;
    color: var(--text);
}

.search-form input {
    flex: 1 1 220px;
}

.search-form select {
    flex: 0 1 180px;
}

.hero-links {
    display: flex;
    gap: 20px;
    margin-top: 18px;
    font-weight: 700;
}

.section {
    margin-top: 42px;
}

.section h1,
.section h2 {
    color: var(--navy);
    line-height: 1.25;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.section-heading h2 {
    margin: 6px 0;
}

.category-grid,
.word-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.category-card,
.word-card,
.detail-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
}

.category-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--text);
    transition: transform .2s, box-shadow .2s;
}

.category-card:hover,
.word-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px #172b4d0d;
    text-decoration: none;
}

.category-symbol {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    margin-bottom: 8px;
    border-radius: 12px;
    background: var(--blue-light);
    color: var(--blue);
    font-size: 25px;
}

.category-card small,
.transliteration,
.muted {
    color: var(--muted);
}

.word-card {
    min-width: 0;
}

.word-card-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
}

.word-type,
.word-category {
    font-size: 11px;
    color: var(--blue);
    background: var(--blue-light);
    border-radius: 20px;
    padding: 4px 9px;
}

.arabic-word {
    margin: 22px 0 10px;
    color: var(--navy);
    font-family: "Noto Naskh Arabic", "Traditional Arabic", serif;
    font-size: 32px;
    line-height: 1.8;
    text-align: right;
}

.word-meaning {
    margin: 0;
    font-size: 17px;
    font-weight: 750;
}

.transliteration {
    margin: 8px 0;
    font-size: 13px;
}

.word-detail {
    display: inline-block;
    margin-top: 16px;
    font-weight: 700;
    font-size: 13px;
}

.detail-card {
    margin-top: 20px;
    padding: clamp(20px, 5vw, 42px);
}

.detail-arabic {
    margin: 12px 0;
    color: var(--navy);
    font-family: "Noto Naskh Arabic", "Traditional Arabic", serif;
    font-size: clamp(44px, 8vw, 72px);
    line-height: 1.8;
    text-align: right;
}

.detail-card h2 {
    color: var(--blue);
}

.detail-table {
    margin: 26px 0;
    border-top: 1px solid var(--border);
}

.detail-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 18px;
    padding: 13px 0;
    border-bottom: 1px solid var(--border);
}

.detail-row span[lang="ar"] {
    font-family: "Noto Naskh Arabic", serif;
    font-size: 21px;
}

.example-box {
    padding: 18px;
    margin: 22px 0;
    background: var(--blue-light);
    border-radius: 12px;
}

.example-arabic {
    font-family: "Noto Naskh Arabic", "Traditional Arabic", serif;
    font-size: 27px;
    text-align: right;
    line-height: 1.8;
}

.audio-player {
    display: block;
    max-width: 100%;
    margin: 18px 0;
}

.alert {
    margin: 18px 0;
    padding: 13px 16px;
    border-radius: 10px;
}

.alert-success {
    background: var(--success);
}

.alert-error {
    background: var(--danger);
}

.site-footer {
    margin-top: 64px;
    padding: 28px 0;
    background: var(--navy);
    color: white;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.footer-inner p {
    margin: 5px 0;
    color: #d1dbea;
    font-size: 13px;
}

.text-link {
    font-weight: 700;
}

@media (max-width: 800px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 28px;
    }

    .category-grid,
    .word-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .nav-wrap {
        align-items: flex-start;
        flex-direction: column;
        padding-block: 14px;
        gap: 12px;
    }

    .main-nav {
        gap: 12px;
    }
}

@media (max-width: 520px) {
    .container {
        width: calc(100% - 24px);
    }

    .hero {
        padding: 20px;
    }

    .category-grid,
    .word-grid {
        grid-template-columns: 1fr;
    }

    .search-form > * {
        width: 100%;
        flex-basis: 100%;
    }

    .detail-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}

.auth-section {
    display: grid;
    place-items: center;
}

.auth-card {
    width: min(100%, 480px);
    padding: 30px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.auth-card h1 {
    color: var(--navy);
    margin-bottom: 8px;
}

.form-stack {
    display: grid;
    gap: 10px;
    margin: 24px 0;
}

.form-stack label {
    font-weight: 700;
    font-size: 14px;
}

.form-stack .btn {
    width: 100%;
    margin-top: 10px;
}

.inline-form {
    display: inline-flex;
    margin: 0;
}

.nav-button {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--blue);
    font-weight: 600;
    cursor: pointer;
}

.remove-favorite {
    margin-top: 12px;
}

.quiz-form {
    display: grid;
    gap: 20px;
    margin-top: 24px;
}

.quiz-question {
    min-width: 0;
    padding: 22px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.quiz-question legend {
    padding: 0 6px;
    color: var(--navy);
    font-weight: 800;
}

.quiz-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    margin-top: 8px;
    background: var(--background);
    border-radius: 9px;
    cursor: pointer;
}

.quiz-option input {
    margin-top: 6px;
}

.result-card {
    padding: 30px;
    margin-bottom: 30px;
    text-align: center;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.score-number {
    color: var(--blue);
    font-size: 64px;
    font-weight: 850;
}

.review-card {
    margin: 16px 0;
}

.admin-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin: 20px 0;
}

.admin-form {
    display: grid;
    gap: 10px;
    max-width: 760px;
    padding: 24px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.admin-form label {
    margin-top: 8px;
    font-weight: 700;
}

.admin-form textarea {
    min-height: 100px;
    resize: vertical;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.data-table th,
.data-table td {
    padding: 13px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: var(--blue-light);
    color: var(--navy);
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.table-actions form {
    margin: 0;
}

.link-danger {
    padding: 0;
    border: 0;
    background: transparent;
    color: #b42318;
    font: inherit;
    cursor: pointer;
}