*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --md-primary: #6750A4;
    --md-on-primary: #ffffff;
    --md-primary-container: #EADDFF;
    --md-on-primary-container: #21005D;
    --md-surface: #FEF7FF;
    --md-surface-dim: #DED8E1;
    --md-surface-container: #F3EDF7;
    --md-surface-container-low: #F7F2FA;
    --md-surface-container-high: #ECE6F0;
    --md-on-surface: #1D1B20;
    --md-on-surface-variant: #49454F;
    --md-outline: #79747E;
    --md-outline-variant: #CAC4D0;
    --md-shape-corner: 16px;
    --md-shape-corner-sm: 12px;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "Google Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.65;
    color: var(--md-on-surface);
    background-color: var(--md-surface);
    padding: 2rem 1.5rem;
}

.container {
    max-width: 720px;
    margin: 0 auto;
}

header {
    margin-bottom: 2rem;
    padding: 1.5rem 2rem;
    background-color: var(--md-surface-container-low);
    border-radius: var(--md-shape-corner);
}

header h1 {
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--md-on-surface);
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

header p {
    font-size: 0.875rem;
    color: var(--md-on-surface-variant);
}

main {
    padding: 1.5rem 2rem 2rem;
    background-color: var(--md-surface-container-low);
    border-radius: var(--md-shape-corner);
}

main h2 {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--md-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    letter-spacing: 0.01em;
}

main h2:first-child {
    margin-top: 0;
}

main p {
    margin-bottom: 1rem;
    color: var(--md-on-surface-variant);
    font-size: 0.95rem;
}

main strong {
    color: var(--md-on-surface);
    font-weight: 500;
}

main ul, main ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

main li {
    margin-bottom: 0.4rem;
    color: var(--md-on-surface-variant);
    font-size: 0.95rem;
}

a {
    color: var(--md-primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.8;
    text-decoration: none;
}

footer {
    margin-top: 2rem;
    padding: 1.25rem 2rem;
    border-radius: var(--md-shape-corner);
    font-size: 0.825rem;
    color: var(--md-outline);
    text-align: center;
}

/* Document List */
.doc-list {
    list-style: none;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.doc-list li {
    padding: 1rem 1.25rem;
    background-color: var(--md-surface);
    border-radius: var(--md-shape-corner-sm);
    transition: background-color 0.2s;
}

.doc-list li:hover {
    background-color: var(--md-surface-container-high);
}

.doc-list a {
    font-size: 1rem;
    font-weight: 500;
    display: block;
}

/* RTL Support */
[dir="rtl"] body {
    font-family: "Google Sans Arabic", "Segoe UI", Tahoma, "Noto Sans Arabic", Arial, sans-serif;
}

[dir="rtl"] main ul,
[dir="rtl"] main ol {
    padding-left: 0;
    padding-right: 1.5rem;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.lang-switcher a,
.lang-switcher .active {
    font-size: 0.8rem;
    padding: 0.35rem 0.85rem;
    border-radius: 100px;
    transition: background-color 0.2s;
}

.lang-switcher a {
    color: var(--md-on-surface-variant);
    background-color: transparent;
}

.lang-switcher a:hover {
    background-color: var(--md-surface-container-high);
    opacity: 1;
}

.lang-switcher .active {
    color: var(--md-on-primary);
    background-color: var(--md-primary);
    font-weight: 500;
    pointer-events: none;
    text-decoration: none;
}