/* Base styles shared across all sections. Real design lands in S1 (public),
   C1 (admin), and G (portal); this is a neutral, readable baseline so the
   shells render cleanly before then. */

:root {
    --ink: #1a1a1a;
    --muted: #6b6b6b;
    --line: #e4e2dd;
    --bg: #faf9f7;
    --accent: #2b2b2b;
    --maxw: 960px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

.wrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 2rem 1.25rem;
}

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
}

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

/* --- Auth pages (admin login/setup, portal login/verify) -------------------
   Shared, minimal styling so the auth screens render cleanly before the real
   section designs land (admin C1, portal G). */

.auth-wrap { max-width: 380px; margin: 8vh auto; padding: 0 1.25rem; }
.auth-wrap h1 { text-align: center; margin: 0 0 0.25em; }
.auth-wrap .sub { text-align: center; color: var(--muted); margin: 0 0 1.5em; }

.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 1.75rem;
}

.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 0.35em; }
.field .hint { font-size: 0.82rem; color: var(--muted); margin-top: 0.35em; }
.field input[type=text],
.field input[type=email],
.field input[type=password] {
    width: 100%;
    padding: 0.6em 0.7em;
    font-size: 1rem;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg);
}
.field input:focus {
    outline: none;
    border-color: var(--ink);
    background: #fff;
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 0.7em 1em;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: var(--ink);
    border: 1px solid var(--ink);
    border-radius: 6px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
}
.btn:hover { background: #000; }

.flash {
    padding: 0.7em 0.85em;
    border: 1px solid transparent;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.92rem;
}
.flash.error   { background: #fdecea; border-color: #f5c6c6; color: #7f1d1d; }
.flash.success { background: #e8f5ec; border-color: #bbe1c3; color: #14532d; }
.flash.info    { background: #e7f0fd; border-color: #c4d8f5; color: #1e3a8a; }

/* Admin-impersonating-a-client preview banner (portal). */
.impersonation-banner {
    background: #4a3d1a;
    color: #f6efdd;
    text-align: center;
    padding: 0.6em 1em;
    font-size: 0.9rem;
}
.impersonation-banner a { color: #fff; font-weight: 600; margin-left: 0.5em; }