/**
 * Zao HMS Theme — zao-theme.css
 * Full theme stylesheet. Design tokens locked per project spec.
 * Also used on wp-login.php (loaded via login_enqueue_scripts).
 */

/* ── Design Tokens ───────────────────────────────────────────── */
:root {
    --zao-primary:        #1a56db;
    --zao-primary-light:  #e8f0fe;
    --zao-primary-dark:   #1e429f;
    --zao-success:        #0e9f6e;
    --zao-success-light:  #def7ec;
    --zao-warning:        #ff8a4c;
    --zao-warning-light:  #fef3c7;
    --zao-danger:         #e02424;
    --zao-danger-light:   #fde8e8;
    --zao-neutral-900:    #111827;
    --zao-neutral-700:    #374151;
    --zao-neutral-500:    #6b7280;
    --zao-neutral-300:    #d1d5db;
    --zao-neutral-100:    #f3f4f6;
    --zao-neutral-50:     #f9fafb;
    --zao-border:         #e5e7eb;
    --zao-surface:        #ffffff;
    --zao-surface-2:      #f9fafb;
    --zao-radius-sm:      4px;
    --zao-radius:         8px;
    --zao-radius-lg:      12px;
    --zao-shadow:         0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
}

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

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

body {
    margin: 0;
    font-family: 'Hind Siliguri', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--zao-neutral-900);
    background: var(--zao-surface-2);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--zao-primary);
    text-decoration: none;
}
a:hover {
    color: var(--zao-primary-dark);
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--zao-neutral-900);
    margin-top: 0;
    line-height: 1.3;
}

table {
    font-variant-numeric: tabular-nums;
    border-collapse: collapse;
}

/* ── Skip link ───────────────────────────────────────────────── */
.zao-skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--zao-primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--zao-radius);
    z-index: 9999;
    font-weight: 600;
    font-size: 0.875rem;
}
.zao-skip-link:focus {
    left: 16px;
    top: 16px;
}

/* ── Container ───────────────────────────────────────────────── */
.zao-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
@media (min-width: 768px) {
    .zao-container { padding: 0 24px; }
}

/* ── Site header ─────────────────────────────────────────────── */
.zao-site-header {
    background: var(--zao-surface);
    border-bottom: 1px solid var(--zao-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 0 rgba(0,0,0,.04);
}
.zao-site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 16px;
}
.zao-site-header__brand { display: flex; align-items: center; }
.zao-site-header__brand a,
.zao-site-header__brand .custom-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--zao-neutral-900);
    font-weight: 700;
    font-size: 1.125rem;
    text-decoration: none;
    transition: color .15s;
}
.zao-site-header__brand a:hover { color: var(--zao-primary); text-decoration: none; }
.zao-site-header__logo { width: 36px; height: 36px; flex-shrink: 0; }
.zao-site-header__brand a span { white-space: nowrap; }
.zao-site-header__nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.zao-btn-primary,
.zao-btn-ghost,
.zao-btn-secondary,
.zao-btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--zao-radius);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.875rem;
    line-height: 1.2;
    transition: background .15s, color .15s, border-color .15s, box-shadow .15s;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}
.zao-btn-primary {
    background: var(--zao-primary);
    color: #fff;
    border-color: var(--zao-primary);
}
.zao-btn-primary:hover {
    background: var(--zao-primary-dark);
    border-color: var(--zao-primary-dark);
    color: #fff;
    text-decoration: none;
}
.zao-btn-ghost {
    background: transparent;
    color: var(--zao-neutral-700);
    border-color: var(--zao-border);
}
.zao-btn-ghost:hover {
    background: var(--zao-neutral-100);
    color: var(--zao-neutral-900);
    text-decoration: none;
}
.zao-btn--danger {
    color: var(--zao-danger);
    border-color: var(--zao-danger-light);
}
.zao-btn--danger:hover {
    background: var(--zao-danger-light);
    color: var(--zao-danger);
    text-decoration: none;
}
.zao-btn-sm {
    padding: 5px 10px;
    font-size: 0.8125rem;
}

/* ── Main content ────────────────────────────────────────────── */
.zao-main {
    min-height: calc(100vh - 64px - 88px);
    padding: 32px 0;
}

/* ── Footer ──────────────────────────────────────────────────── */
.zao-site-footer {
    background: var(--zao-surface);
    border-top: 1px solid var(--zao-border);
    padding: 20px 0;
    margin-top: 48px;
}
.zao-site-footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
}
.zao-site-footer__brand,
.zao-site-footer__product {
    margin: 0;
    font-size: 0.875rem;
    color: var(--zao-neutral-500);
}

/* ── Branded login page ──────────────────────────────────────── */
.zao-login-page {
    min-height: calc(100vh - 64px - 88px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    background-image: radial-gradient(circle at 1px 1px, rgba(148,163,184,.18) 1px, transparent 0);
    background-size: 28px 28px;
}
.zao-login-card {
    width: 100%;
    max-width: 420px;
    background: var(--zao-surface);
    border: 1px solid var(--zao-border);
    border-radius: var(--zao-radius-lg);
    box-shadow: 0 4px 24px rgba(0,0,0,.08);
    padding: 40px 32px;
}
.zao-login-card__brand {
    text-align: center;
    margin-bottom: 28px;
}
.zao-login-card__logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px;
}
.zao-login-card__title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--zao-neutral-900);
}
.zao-login-card__subtitle {
    margin: 4px 0 0;
    font-size: 0.875rem;
    color: var(--zao-neutral-500);
}
.zao-login-card__error {
    background: var(--zao-danger-light);
    color: var(--zao-danger);
    border-radius: var(--zao-radius);
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* WP login form inside our card */
#zao-login-form { margin: 0; }
#zao-login-form p { margin: 0 0 14px; }
#zao-login-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--zao-neutral-700);
    margin-bottom: 6px;
}
#zao-login-form .input,
#zao-login-form input[type="text"],
#zao-login-form input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--zao-neutral-300);
    border-radius: var(--zao-radius);
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--zao-surface);
    color: var(--zao-neutral-900);
    transition: border-color .15s, box-shadow .15s;
}
#zao-login-form input:focus {
    border-color: var(--zao-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26,86,219,.15);
}
#zao-login-form .forgetmenot {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}
#zao-login-form .forgetmenot label {
    font-size: 0.875rem;
    color: var(--zao-neutral-700);
    margin: 0;
    font-weight: 400;
}
#zao-login-form input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--zao-primary);
    cursor: pointer;
}
#zao-login-form .button-primary,
#zao-login-form input[type="submit"] {
    width: 100%;
    padding: 11px 16px;
    background: var(--zao-primary);
    color: #fff;
    border: none;
    border-radius: var(--zao-radius);
    font-family: inherit;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background .15s;
}
#zao-login-form input[type="submit"]:hover,
#zao-login-form .button-primary:hover {
    background: var(--zao-primary-dark);
}
#zao-login-form .submit { margin-bottom: 0; }

.zao-login-card__links {
    text-align: center;
    margin-top: 16px;
    font-size: 0.875rem;
}
.zao-login-card__links a {
    color: var(--zao-neutral-500);
}
.zao-login-card__links a:hover { color: var(--zao-primary); }
.zao-login-card__footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--zao-border);
    text-align: center;
    font-size: 0.75rem;
    color: var(--zao-neutral-500);
}
.zao-login-card__footer p { margin: 0; }

/* ── Portal placeholder (until Phase 14) ─────────────────────── */
.zao-portal-placeholder {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
}
.zao-portal-placeholder__inner {
    text-align: center;
    max-width: 480px;
    background: var(--zao-surface);
    border: 1px solid var(--zao-border);
    border-radius: var(--zao-radius-lg);
    box-shadow: var(--zao-shadow);
    padding: 48px 32px;
}
.zao-portal-placeholder__icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 14px;
    line-height: 1;
}
.zao-portal-placeholder h1 {
    font-size: 1.5rem;
    margin: 0 0 8px;
    color: var(--zao-neutral-900);
}
.zao-portal-placeholder p {
    color: var(--zao-neutral-500);
    margin: 0 0 24px;
    line-height: 1.6;
}

/* ── 404 ─────────────────────────────────────────────────────── */
.zao-404__inner {
    text-align: center;
    padding: 64px 16px;
    max-width: 480px;
    margin: 0 auto;
}
.zao-404__code {
    font-size: 5rem;
    font-weight: 700;
    color: var(--zao-primary);
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: -0.04em;
    font-variant-numeric: tabular-nums;
}
.zao-404__title {
    font-size: 1.5rem;
    margin: 0 0 10px;
}
.zao-404__text {
    color: var(--zao-neutral-500);
    margin: 0 0 24px;
}

/* ── Generic article (index.php fallback) ─────────────────────── */
.zao-article {
    background: var(--zao-surface);
    border: 1px solid var(--zao-border);
    border-radius: var(--zao-radius-lg);
    padding: 32px;
    box-shadow: var(--zao-shadow);
    margin-bottom: 24px;
}
.zao-article__title {
    margin: 0 0 16px;
    font-size: 1.75rem;
}
.zao-article__content { line-height: 1.75; }
.zao-empty {
    text-align: center;
    padding: 48px 16px;
    color: var(--zao-neutral-500);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 640px) {
    .zao-site-header__brand a span { display: none; }
    .zao-login-card { padding: 28px 20px; }
    .zao-login-card__title { font-size: 1.25rem; }
    .zao-404__code { font-size: 3.5rem; }
    .zao-portal-placeholder__inner { padding: 32px 20px; }
}

/* ── Print ───────────────────────────────────────────────────── */
@media print {
    .zao-site-header,
    .zao-site-footer,
    .zao-skip-link { display: none !important; }
    .zao-main { padding: 0; }
    body { background: #fff; }
}