/* CalMedi shared site chrome.
 * Header, footer, beta banner, mobile nav, utility classes. */

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

/* ── Skip link ───────────────────────────────────────────────────────────── */
.skip-nav {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--brand);
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 10000;
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: 0 0 8px 0;
}
.skip-nav:focus { top: 0; }

/* ── Beta banner ─────────────────────────────────────────────────────────── */
.beta-banner {
    position: sticky;
    top: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    background: var(--beta-bg);
    color: var(--beta-fg);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-bottom: 1px solid oklch(60% 0.15 60);
}
.beta-banner .beta-text { display: inline-flex; align-items: center; gap: 0.5rem; }
.beta-banner .beta-text::before {
    content: "BETA";
    background: var(--beta-fg);
    color: var(--beta-bg);
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    padding: 2px 6px;
    border-radius: 4px;
}
.beta-banner a {
    color: var(--beta-fg);
    text-decoration: underline;
    font-weight: 600;
}
.beta-banner .beta-dismiss {
    background: transparent;
    border: 1px solid var(--beta-fg);
    color: var(--beta-fg);
    border-radius: 4px;
    padding: 2px 8px;
    cursor: pointer;
    font-size: 0.85rem;
    line-height: 1;
}
.beta-banner .beta-dismiss:hover { background: var(--beta-fg); color: var(--beta-bg); }
.beta-banner.hidden { display: none; }

/* ── Header ──────────────────────────────────────────────────────────────── */
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.beta-banner ~ .site-header { top: 0; }  /* still sticks under banner via flow */

.site-header .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    position: relative;
    gap: 1rem;
}

.site-header .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand);
    text-decoration: none;
}

.site-header .nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.site-header .nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.site-header .nav-link:hover { color: var(--brand); }

/* Hamburger */
.site-header .nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
}
.site-header .nav-toggle:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}
.site-header .nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.site-header .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.site-header .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 768px) {
    .site-header .nav-toggle { display: inline-flex; }
    .site-header .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        padding: 0.5rem 1rem 1rem;
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.25s ease, opacity 0.2s ease;
        pointer-events: none;
    }
    .site-header .nav-links.open {
        max-height: 80vh;
        opacity: 1;
        pointer-events: auto;
    }
    .site-header .nav-links > * { width: 100%; padding: 0.75rem 0; }
    .site-header .nav-links .btn { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
    .site-header .nav-links,
    .site-header .nav-toggle-bar { transition: none; }
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); transform: translateY(-1px); }
.btn-outline {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-outline:hover {
    background: var(--surface-elevated);
    border-color: var(--brand);
    color: var(--brand);
}
.btn-lg { padding: 1rem 2rem; font-size: 1.125rem; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }

/* Inline logout form button */
.logout-form { display: inline; margin: 0; padding: 0; }
.logout-form button { font: inherit; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 4rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}
.site-footer .footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    justify-content: space-between;
    align-items: center;
}
.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
}
.site-footer a {
    color: var(--text-muted);
    text-decoration: none;
}
.site-footer a:hover { color: var(--brand); }

.site-footer.compact {
    padding: 1rem 0;
    margin-top: 2rem;
    font-size: 0.8rem;
}
.site-footer.compact nav { gap: 0.75rem 1rem; }

/* ── Legal page reading column ──────────────────────────────────────────── */
body.legal main {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1rem 3rem;
}
body.legal main h1 {
    color: var(--brand);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}
body.legal main h2 {
    margin-top: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-size: 1.25rem;
}
body.legal main p { margin-bottom: 0.75rem; line-height: 1.7; }
body.legal main a { color: var(--brand); }

/* ── Utility classes (replacing inline style="") ────────────────────────── */
.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }