/* CopiaLegal · páginas independientes (login, 2FA, reset, pago, validador, certificados)
   Mismos tokens que base.html v2. */
:root {
    --bg: #0B1120; --bg2: #0E1729; --surface: #131D33; --surface2: #1A2542; --surface3: #22304F;
    --border: rgba(148,163,184,0.12); --border-strong: rgba(148,163,184,0.22);
    --accent: #38bdf8; --accent2: #818cf8; --accent-glow: rgba(56,189,248,0.16); --accent-ring: rgba(56,189,248,0.35); --accent-soft: rgba(56,189,248,0.14);
    --green: #22c55e; --red: #f05252; --yellow: #fbbf24;
    --green-soft: rgba(34,197,94,0.14); --red-soft: rgba(240,82,82,0.14); --yellow-soft: rgba(251,191,36,0.14);
    --text: #F3F6FB; --text-mid: #A9B6CA; --text-dim: #7B8AA3;
    --radius: 12px; --radius-sm: 8px; --radius-lg: 16px;
    --shadow-2: 0 10px 30px rgba(2,6,23,0.55);
    --font-display: 'Outfit', 'Manrope', system-ui, sans-serif;
    --font-body: 'Manrope', 'Outfit', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
    /* alias legacy */
    --bg-color: var(--bg); --card-bg: var(--surface); --accent-primary: var(--accent); --text-main: var(--text);
    --danger: var(--red); --success: var(--green); --warning: var(--yellow);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0; min-height: 100vh;
    font-family: var(--font-body); font-size: 15px; line-height: 1.5;
    background: var(--bg);
    background-image: radial-gradient(900px 500px at 100% -10%, rgba(56,189,248,0.08), transparent 60%), radial-gradient(700px 450px at -10% 110%, rgba(129,140,248,0.07), transparent 60%);
    background-attachment: fixed;
    color: var(--text); -webkit-font-smoothing: antialiased;
    display: flex; align-items: center; justify-content: center; padding: 24px 16px;
}
body.auth-wide { align-items: flex-start; padding-top: 40px; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; margin: 0 0 0.5rem; text-wrap: balance; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.3rem; } h3 { font-size: 1.05rem; }
p { margin: 0 0 1rem; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); padding: 2rem 1.75rem; box-shadow: var(--shadow-2); }
.auth-card.wide { max-width: 820px; }
.auth-brand { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 1.5rem; text-align: center; }
.auth-brand img { width: 84px; height: auto; border-radius: 18px; }
.auth-brand .name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.auth-brand .sub { font-size: 0.78rem; color: var(--text-dim); letter-spacing: 0.08em; text-transform: uppercase; }
.auth-title { text-align: center; margin-bottom: 1.5rem; }
.auth-title h2 { margin-bottom: 0.25rem; }
.auth-title p { color: var(--text-mid); font-size: 0.92rem; margin: 0; }
.auth-back { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--text-dim); text-decoration: none; font-size: 0.9rem; margin-bottom: 1.25rem; }
.auth-back:hover { color: var(--accent); }
.auth-foot { text-align: center; margin-top: 1.25rem; font-size: 0.84rem; color: var(--text-dim); }
.auth-foot a { text-decoration: none; font-weight: 600; }
.auth-foot a:hover { text-decoration: underline; }

.form-group { margin-bottom: 1.1rem; }
.form-row { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.form-help { font-size: 0.78rem; color: var(--text-dim); margin-top: 0.35rem; }
label { display: block; margin-bottom: 0.4rem; font-size: 0.8rem; font-weight: 600; color: var(--text-mid); }
input, select, textarea {
    width: 100%; min-height: 44px; padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm); background: var(--bg2); border: 1px solid var(--border-strong); color: var(--text);
    font-family: var(--font-body); font-size: 0.95rem; transition: border-color 0.15s, box-shadow 0.15s;
}
input::placeholder { color: var(--text-dim); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
input[type="checkbox"] { width: 17px; height: 17px; min-height: 0; accent-color: var(--accent); }
input[type="date"], input[type="time"] { color-scheme: dark; }
input.otp { text-align: center; font-family: var(--font-mono); font-size: 1.6rem; letter-spacing: 0.35em; font-weight: 600; }
input:disabled { opacity: 0.55; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 0.75rem 1.1rem; min-height: 46px; width: 100%;
    border-radius: 10px; border: 1px solid transparent;
    font-family: var(--font-body); font-size: 0.95rem; font-weight: 700; cursor: pointer; text-decoration: none;
    background: var(--surface2); color: var(--text); transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.btn:hover { background: var(--surface3); }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[disabled] { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #07111F; border-color: var(--accent); box-shadow: 0 6px 18px rgba(56,189,248,0.25); }
.btn-primary:hover { background: #5cc9f9; }
.btn-secondary { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-ring); }
.btn-secondary:hover { background: rgba(56,189,248,0.24); }
.btn-ghost { background: transparent; color: var(--text-mid); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface2); color: var(--text); }
.btn-success { background: var(--green); color: #05130A; border-color: var(--green); }
.btn-success:hover { filter: brightness(1.08); }
.btn-danger { background: var(--red-soft); color: var(--red); border-color: rgba(240,82,82,0.35); }
.btn-inline { width: auto; }
.btn-sm { min-height: 36px; padding: 0.45rem 0.9rem; font-size: 0.85rem; }
.btn + .btn { margin-top: 0.6rem; }

.spinner { width: 16px; height: 16px; border: 2px solid rgba(7,17,31,0.25); border-top-color: #07111F; border-radius: 50%; animation: spin 0.8s linear infinite; display: none; }
.btn-ghost .spinner, .btn-secondary .spinner { border-color: rgba(255,255,255,0.25); border-top-color: var(--text); }
@keyframes spin { to { transform: rotate(360deg); } }

.alert { display: flex; gap: 10px; align-items: flex-start; padding: 0.85rem 1rem; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface2); font-size: 0.9rem; margin-bottom: 1.25rem; font-weight: 500; }
.alert i { margin-top: 3px; }
.alert-info { border-color: var(--accent-ring); background: var(--accent-soft); } .alert-info i { color: var(--accent); }
.alert-success { border-color: rgba(34,197,94,0.4); background: var(--green-soft); } .alert-success i { color: var(--green); }
.alert-warning { border-color: rgba(251,191,36,0.4); background: var(--yellow-soft); } .alert-warning i { color: var(--yellow); }
.alert-danger, .alert-error, .error { border-color: rgba(240,82,82,0.4); background: var(--red-soft); color: var(--red); } .alert-danger i, .alert-error i { color: var(--red); }
.error { display: flex; gap: 10px; padding: 0.85rem 1rem; border: 1px solid; border-radius: var(--radius-sm); font-size: 0.9rem; margin-bottom: 1.25rem; }

.muted { color: var(--text-dim); } .mid { color: var(--text-mid); }
.text-sm { font-size: 0.86rem; } .text-xs { font-size: 0.78rem; } .text-center { text-align: center; }
.mono, .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.divider { height: 1px; background: var(--border); margin: 1.25rem 0; }
.row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: 0.75rem; }
.panel { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1rem; }
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 0.72rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.badge-green { background: var(--green-soft); color: var(--green); } .badge-red { background: var(--red-soft); color: var(--red); } .badge-blue { background: var(--accent-soft); color: var(--accent); } .badge-yellow { background: var(--yellow-soft); color: var(--yellow); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1rem; font-size: 0.9rem; }
.kv dt { color: var(--text-dim); } .kv dd { margin: 0; font-weight: 600; word-break: break-word; }
.table-container { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { text-align: left; color: var(--text-dim); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--border); }
td { padding: 0.7rem 0.9rem; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }

@media (max-width: 480px) {
    .auth-card { padding: 1.5rem 1.2rem; }
    body { padding: 16px 12px; }
}
@media (prefers-reduced-motion: reduce) { * { animation-duration: 0.001s !important; transition-duration: 0.001s !important; } }