/* ==========================================================================
   Islamic E-Library — Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,500;0,600;0,700;1,500&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --color-primary: #0b5d3a;
    --color-primary-dark: #073e27;
    --color-primary-light: #e7f0ea;
    --color-accent: #b6862c;
    --color-accent-dark: #96701f;
    --color-bg: #faf8f3;
    --color-surface: #ffffff;
    --color-text: #1e2621;
    --color-text-muted: #5b6660;
    --color-border: #e3ddcd;

    --font-display: 'Lora', Georgia, serif;
    --font-body: 'Inter', Arial, Helvetica, sans-serif;

    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 2px 10px rgba(20, 30, 25, 0.06);
    --shadow-md: 0 8px 24px rgba(20, 30, 25, 0.10);
    --container: 1080px;
}

/* ---------- Reset ---------- */

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    line-height: 1.65;
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: 1.25;
    color: var(--color-primary-dark);
    margin: 0 0 0.6em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

a {
    color: var(--color-primary);
}

img { max-width: 100%; }

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 2.5rem 0;
}

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* ---------- Skip link ---------- */

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--color-primary-dark);
    color: #fff;
    padding: 10px 16px;
    z-index: 100;
    border-radius: 0 0 6px 0;
}

.skip-link:focus {
    left: 0;
}

/* ---------- Header ---------- */

header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 28px 24px 20px;
    text-align: center;
    border-bottom: 4px solid var(--color-accent);
}

header a {
    color: inherit;
}

header img {
    display: block;
    margin: 0 auto 14px;
    max-width: 120px;
    height: auto;
    border-radius: 50%;
    background: #fff;
    padding: 6px;
    box-shadow: var(--shadow-md);
}

header h1 {
    color: #fff;
    margin: 0 0 4px;
    font-size: 1.75rem;
}

header h2 {
    color: #f2ead4;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    margin: 0 0 6px;
}

header p {
    color: #eef3ef;
    max-width: 560px;
    margin: 6px auto 0;
}

/* Navigation */

nav[aria-label="Main Navigation"],
nav[aria-label="Administrator Navigation"] {
    margin-top: 18px;
}

nav[aria-label="Main Navigation"] ul,
nav[aria-label="Administrator Navigation"] ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav[aria-label="Main Navigation"] {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 6px;
}

nav[aria-label="Main Navigation"] a,
nav[aria-label="Administrator Navigation"] a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 8px 14px;
    border-radius: 999px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

nav[aria-label="Main Navigation"] a:hover,
nav[aria-label="Main Navigation"] a:focus-visible,
nav[aria-label="Administrator Navigation"] a:hover,
nav[aria-label="Administrator Navigation"] a:focus-visible {
    background-color: rgba(255, 255, 255, 0.16);
}

nav[aria-label="Main Navigation"] a[aria-current="page"] {
    background-color: var(--color-accent);
    color: #241a05;
}

/* ---------- Layout ---------- */

main {
    max-width: var(--container);
    margin: 0 auto;
    padding: 32px 24px 56px;
}

section {
    background: var(--color-surface);
    margin-bottom: 24px;
    padding: 28px 30px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}

section > h2:first-child,
section > h3:first-child {
    margin-top: 0;
}

.logo-meaning {
    background: var(--color-primary-light);
    border-left: 4px solid var(--color-accent);
    padding: 20px 24px;
    margin: 24px auto 0;
    max-width: var(--container);
    border-radius: var(--radius);
    color: #2c3a32;
    font-size: 0.98rem;
    line-height: 1.8;
    font-family: var(--font-body);
}

.logo-meaning strong {
    color: var(--color-primary-dark);
    font-weight: 700;
}

/* ---------- Forms ---------- */

label {
    font-weight: 600;
    display: inline-block;
    margin-bottom: 4px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 11px 12px;
    margin-top: 4px;
    margin-bottom: 15px;
    border: 1px solid #c9c1ab;
    border-radius: var(--radius-sm);
    box-sizing: border-box;
    font-family: var(--font-body);
    font-size: 1rem;
    background: #fff;
    color: var(--color-text);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

textarea {
    resize: vertical;
}

button,
input[type="submit"] {
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    transition: background-color 0.15s ease, transform 0.1s ease;
}

button:hover,
button:focus-visible,
input[type="submit"]:hover {
    background-color: var(--color-primary-dark);
}

button:active {
    transform: translateY(1px);
}

button + button {
    margin-left: 10px;
}

/* Search form on the homepage */

form[action="search.html"] {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-end;
}

form[action="search.html"] label {
    flex-basis: 100%;
}

form[action="search.html"] input[type="search"] {
    flex: 1 1 260px;
    margin-bottom: 0;
}

form[action="search.html"] button {
    flex: 0 0 auto;
}

/* ---------- Lists / Categories ---------- */

ul { line-height: 2; }

#categories-heading + ul,
main > ul:not(#bookList):not(#searchResults) {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

#categories-heading ~ ul li,
main > ul:not(#bookList):not(#searchResults) li {
    background: var(--color-primary-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    line-height: 1.4;
}

#categories-heading ~ ul li a,
main > ul:not(#bookList):not(#searchResults) li a {
    display: block;
    padding: 14px 16px;
    text-decoration: none;
    font-weight: 600;
    color: var(--color-primary-dark);
}

#categories-heading ~ ul li a:hover,
main > ul:not(#bookList):not(#searchResults) li a:hover {
    color: var(--color-accent-dark);
}

/* Book list (category pages) */

#bookList {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

#bookList li {
    background: var(--color-primary-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-weight: 500;
}

/* Search results / book cards */

.book-card {
    background: var(--color-primary-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    margin-bottom: 14px;
}

.book-card h3 {
    margin-bottom: 8px;
}

.book-card p {
    margin: 0 0 6px;
    font-size: 0.95rem;
}

.book-card a {
    display: inline-block;
    margin-top: 6px;
    padding: 8px 16px;
    background-color: var(--color-primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.92rem;
}

.book-card a:hover,
.book-card a:focus-visible {
    background-color: var(--color-primary-dark);
}

/* Chat widget (assistant page) */

#chat {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    min-height: 120px;
    max-height: 360px;
    overflow-y: auto;
}

#chat p {
    margin-bottom: 10px;
}

/* ---------- Footer ---------- */

footer {
    background-color: var(--color-primary-dark);
    color: #ecf1ed;
    text-align: center;
    padding: 28px 24px;
    margin-top: 40px;
}

footer h2 {
    color: #fff;
    font-size: 1.1rem;
}

footer a {
    color: #f2ead4;
}

footer p {
    margin: 0 0 6px;
    font-size: 0.92rem;
}

/* ---------- Utility ---------- */

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Responsive ---------- */

@media (max-width: 600px) {
    header { padding: 22px 16px 16px; }
    main { padding: 24px 16px 40px; }
    section { padding: 20px; }
    h1 { font-size: 1.6rem; }
    nav[aria-label="Main Navigation"] a { font-size: 0.85rem; padding: 7px 11px; }
}