:root {
    /* Design Tokens - Colors */
    --color-primary: #0b3a5b;
    --color-primary-dark: #08283f;
    --color-navy: #0b3a5b;
    --color-navy-dark: #08283f;
    --color-accent: #c8102e;
    --color-red: #c8102e;
    --color-success: #1b7a4a;
    --color-green: #1b7a4a;
    --color-warning: #d9822b;
    --color-saffron: #d9822b;
    --color-danger: #c8102e;
    --color-bg: #f6f8fa;
    --color-surface: #ffffff;
    --color-text: #1a2433;
    --color-muted: #5b6777;
    --color-border: #d7dee6;
    --color-info: #e8f1f7;
    --color-info-border: #bdd3e3;
    --color-success-bg: #e8f6ee;
    --color-success-border: #b7dfc6;
    --color-danger-bg: #fdecee;
    --color-danger-border: #f0b7bf;
    --color-warn-bg: #fff6e8;
    --color-warn-border: #efd3a6;
    --color-focus: #0b5cab;

    /* Shadows & Radii */
    --shadow-sm: 0 1px 2px rgba(10, 28, 45, 0.05);
    --shadow: 0 1px 3px rgba(10, 28, 45, 0.08), 0 6px 18px rgba(10, 28, 45, 0.05);
    --shadow-md: 0 4px 12px rgba(10, 28, 45, 0.08), 0 12px 28px rgba(10, 28, 45, 0.08);
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --touch: 44px;

    /* Typography */
    --font: "Noto Sans Devanagari", "Nirmala UI", "Mangal", "Segoe UI", system-ui, -apple-system, sans-serif;
    --max-width: 76rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

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

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

.skip-link {
    position: absolute;
    left: 0.75rem;
    top: -4rem;
    background: var(--color-navy);
    color: #fff;
    padding: 0.6rem 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    z-index: 1000;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0.75rem;
}

.container {
    width: min(100% - 2rem, var(--max-width));
    margin-inline: auto;
}

.site-header {
    background: var(--color-surface);
    border-bottom: 3px solid var(--color-primary);
    position: relative;
    z-index: 100;
}

.site-main {
    flex: 1;
    padding-block: 0;
}

.page {
    padding-block: var(--space-6);
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space-5);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.3;
    color: var(--color-navy-dark);
    margin-top: 0;
    font-weight: 700;
}

h1 {
    font-size: 1.75rem;
}

h2 {
    font-size: 1.35rem;
}

h3 {
    font-size: 1.15rem;
}

.lede {
    font-size: 1.1rem;
    line-height: 1.6;
}

.muted {
    color: var(--color-muted);
}

.stack {
    margin-top: var(--space-6);
}

.button,
button,
input[type="submit"] {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: var(--color-primary);
    color: #ffffff;
    border: 0;
    border-radius: 8px;
    padding: 0.65rem 1.25rem;
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    min-height: var(--touch);
    transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

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

.button-accent {
    background: var(--color-accent);
}

.button-accent:hover {
    background: #a30d24;
}

.button-success {
    background: var(--color-success);
}

.button-success:hover {
    background: #145e39;
}

.button-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.button-secondary:hover {
    background: #ffffff;
    color: var(--color-primary);
}

.button-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.button-outline:hover {
    background: var(--color-primary);
    color: #ffffff;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

input,
select,
textarea {
    width: 100%;
    font: inherit;
    color: var(--color-text);
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.65rem 0.85rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-focus);
    box-shadow: 0 0 0 3px rgba(11, 92, 171, 0.15);
}

.alert {
    border-radius: 8px;
    padding: 0.85rem 1.15rem;
    margin: var(--space-4) 0 0;
    line-height: 1.5;
}

.alert p {
    margin: 0;
}

.alert-info {
    background: var(--color-info);
    border: 1px solid var(--color-info-border);
    color: #0c3b5d;
}

.alert-success {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    color: #0f5c34;
}

.alert-danger {
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: #8f1024;
}

.alert-warn {
    background: var(--color-warn-bg);
    border: 1px solid var(--color-warn-border);
    color: #7a4b0b;
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-full);
    padding: 0.2rem 0.75rem;
    font-size: 0.82rem;
    font-weight: 600;
    background: #e8edf2;
    color: var(--color-navy-dark);
    line-height: 1.3;
}

.badge-ok {
    background: var(--color-success-bg);
    color: #0f5c34;
    border: 1px solid var(--color-success-border);
}

.badge-warn {
    background: var(--color-warn-bg);
    color: #7a4b0b;
    border: 1px solid var(--color-warn-border);
}

.badge-danger {
    background: var(--color-danger-bg);
    color: #8f1024;
    border: 1px solid var(--color-danger-border);
}

.empty-state {
    background: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-6) var(--space-5);
    text-align: center;
    color: var(--color-muted);
}

.empty-state p {
    margin: 0;
    font-size: 1rem;
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
}

th,
td {
    text-align: left;
    padding: 0.75rem 0.85rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

th {
    background: #f8fafc;
    font-weight: 700;
    color: var(--color-navy-dark);
}

caption {
    text-align: left;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.form-stack {
    display: grid;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.form-stack label input[type="checkbox"] {
    width: auto;
    margin-right: var(--space-2);
}

.field-error {
    color: var(--color-danger);
    margin: var(--space-1) 0 0;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    h1 {
        font-size: 2.1rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}