/* Gripseek shared design system — light theme. Same structure, spacing,
   and typography as before; only the color tokens changed. */

:root {
    --ink: #F5F6FA;
    --surface: #FFFFFF;
    --surface-2: #F0F2F7;
    --line: #E1E5EC;
    --text: #101828;
    --muted: #64748B;
    --signal: #F2A93B;
    --critical: #DC2626;
    --calm: #0D9488;
    --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
    --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Syslog severity scale — kept for reference/future use, not currently
       rendered anywhere (the syslog/SIP features that used it were
       removed), so left as-is rather than re-tuned for light-theme contrast. */
    --sev-0: #E5484D;
    --sev-1: #EF6C4D;
    --sev-2: #F2894B;
    --sev-3: #F2A93B;
    --sev-4: #E9C46A;
    --sev-5: #8FBF9F;
    --sev-6: #4FD1C5;
    --sev-7: #8FA6C7;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--ink);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible, button:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 2px;
}

h1, h2, h3 { font-family: var(--mono); font-weight: 600; letter-spacing: -0.01em; margin: 0 0 8px; }
code { font-family: var(--mono); background: var(--surface-2); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav (logged-in app shell) ---------- */
header.site {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.logo { font-family: var(--mono); font-weight: 600; font-size: 17px; letter-spacing: -0.02em; display: flex; align-items: center; gap: 2px; text-decoration: none; }
.logo .cursor { display: inline-block; width: 8px; height: 16px; background: var(--signal); margin-left: 4px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 14px; }
.nav-links a.navlink { color: var(--muted); text-decoration: none; transition: color .15s; }
.nav-links a.navlink:hover, .nav-links a.navlink.active { color: var(--text); }
.nav-plan { font-family: var(--mono); font-size: 11px; padding: 3px 8px; border-radius: 5px; border: 1px solid var(--line); color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.nav-plan.pro { color: #B8790A; border-color: rgba(242,169,59,0.5); background: rgba(242,169,59,0.1); }

main.app { max-width: 1000px; margin: 40px auto 80px; padding: 0 24px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: var(--sans); font-weight: 600; font-size: 14px;
    padding: 10px 18px; border-radius: 7px; text-decoration: none;
    border: 1px solid transparent; cursor: pointer; transition: transform .12s, background .15s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--signal); color: #201304; }
.btn-primary:hover { background: #e59a2a; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); background: var(--surface-2); }
.btn-danger { background: transparent; color: var(--critical); border-color: rgba(220,38,38,0.35); }
.btn-danger:hover { background: rgba(220,38,38,0.08); }
.btn-sm { padding: 7px 12px; font-size: 13px; }

/* ---------- Cards & sections ---------- */
.card {
    background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
    padding: 24px; margin-bottom: 20px;
    box-shadow: 0 1px 2px rgba(16,24,40,0.04);
}
.card h3 { font-size: 16px; margin: 0 0 14px; }
.card > p:first-child { margin-top: 0; }
.page-head { margin: 0 0 24px; }
.page-head h2 { font-size: 26px; margin-bottom: 6px; }
.page-sub { color: var(--muted); font-size: 14.5px; margin: 0; }

.stat-row { display: flex; gap: 20px; margin-bottom: 20px; flex-wrap: wrap; }
.stat-card { flex: 1; min-width: 180px; }
.stat-label { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 8px; }
.stat-value { font-family: var(--mono); font-size: 30px; font-weight: 600; }
.stat-value.critical { color: var(--critical); }

/* ---------- Forms ---------- */
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; font-weight: 500; }
label:first-child { margin-top: 0; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
    width: 100%; padding: 10px 12px; background: var(--surface-2); border: 1px solid var(--line);
    border-radius: 7px; color: var(--text); font-family: var(--sans); font-size: 14.5px;
}
input::placeholder { color: #94A3B8; }
input[type="checkbox"] { width: auto; accent-color: var(--signal); }
form { margin: 0; }

.alert-msg { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: #FEF2F2; border: 1px solid #FECACA; color: #991B1B; }
.alert-error a { color: #B45309; text-decoration: underline; }
.alert-success { background: #F0FDFA; border: 1px solid #99F6E4; color: #0F766E; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
th { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 500; }
tr:last-child td { border-bottom: none; }
.table-empty { color: var(--muted); font-size: 14px; padding: 8px 0; }

/* ---------- Severity badge (currently unused, see :root note) ---------- */
.sev-badge {
    display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 11px;
    font-family: var(--mono); font-weight: 600; letter-spacing: 0.02em;
}
.sev-0, .sev-1 { background: rgba(229,72,77,0.16); color: var(--sev-0); }
.sev-2, .sev-3 { background: rgba(242,137,75,0.16); color: var(--sev-2); }
.sev-4 { background: rgba(233,196,106,0.16); color: var(--sev-4); }
.sev-5, .sev-6 { background: rgba(79,209,197,0.16); color: var(--sev-6); }
.sev-7 { background: rgba(143,166,199,0.16); color: var(--sev-7); }

/* ---------- Status pill (generic) ---------- */
.pill { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; font-family: var(--mono); }
.pill-on { background: rgba(13,148,136,0.12); color: var(--calm); }
.pill-off { background: rgba(100,116,139,0.12); color: var(--muted); }
.pill-crit { background: rgba(220,38,38,0.1); color: var(--critical); }
.pill-warn { background: rgba(242,169,59,0.18); color: #B8790A; }

/* ---------- Auth pages (login/register) ---------- */
.auth-shell { min-height: 100vh; display: flex; flex-direction: column; }
.auth-topbar { padding: 24px; }
.auth-main { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card {
    width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--line);
    border-radius: 14px; padding: 36px 32px;
    box-shadow: 0 4px 16px rgba(16,24,40,0.06);
}
.auth-card h2 { font-size: 22px; margin-bottom: 6px; }
.auth-card .sub { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
.auth-card .switch { margin-top: 20px; font-size: 13.5px; color: var(--muted); text-align: center; }
.auth-card .switch a { color: #B8790A; text-decoration: none; }
.auth-card .switch a:hover { text-decoration: underline; }
.auth-card button[type="submit"] { width: 100%; margin-top: 6px; }

/* ---------- Pricing cards (reused on billing.php) ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 28px; position: relative; box-shadow: 0 1px 2px rgba(16,24,40,0.04); }
.plan.pro { border-color: var(--signal); background: linear-gradient(180deg, rgba(242,169,59,0.08), transparent 40%), var(--surface); }
.plan-badge {
    position: absolute; top: -12px; right: 24px; background: var(--signal); color: #201304;
    font-family: var(--mono); font-size: 10.5px; font-weight: 700; padding: 3px 9px; border-radius: 5px;
}
.plan-name { font-family: var(--mono); font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; }
.plan-price { font-family: var(--mono); font-size: 38px; font-weight: 600; margin-bottom: 4px; }
.plan-price .cents { font-size: 16px; color: var(--muted); font-weight: 500; }
.plan-note { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.plan-features { list-style: none; padding: 0; margin: 0 0 22px; }
.plan-features li { display: flex; gap: 9px; padding: 7px 0; font-size: 14px; border-top: 1px solid var(--line); }
.plan-features li:first-child { border-top: none; }
.plan-features .check { color: var(--calm); flex-shrink: 0; }
.plan.pro .plan-features .check { color: #B8790A; }

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
    .nav-links { display: none; }
    .stat-row { flex-direction: column; }
    .pricing-grid { grid-template-columns: 1fr; }
    main.app { margin-top: 24px; }
}