/* Giao diện A · Kỹ thuật tin cậy — token + thành phần dùng chung.
   Spec: docs/superpowers/specs/2026-11-12-ui-astryx-a-design.md */
:root {
    --c-ink: #0F172A;
    --c-ink-soft: #475569;
    --c-muted: #64748B;
    --c-line: #E2E8F0;
    --c-line-strong: #CBD5E1;
    --c-canvas: #F6F7F9;
    --c-surface: #FFFFFF;
    --c-primary: #1D4ED8;
    --c-primary-hover: #1E40AF;
    --c-primary-soft: #EFF4FF;
    --c-ok: #15803D;
    --c-ok-bg: #DCFCE7;
    --c-ok-fg: #14532D;
    --c-bad: #B91C1C;
    --c-bad-bg: #FEE2E2;
    --c-bad-fg: #7F1D1D;
    --c-warn: #B45309;
    --c-warn-bg: #FEF3C7;
    --c-warn-fg: #78350F;
    --c-focus: rgba(29, 78, 216, .25);
    --shadow-1: 0 1px 2px rgba(15, 23, 42, .04);
}

body { font-family: 'Inter', system-ui, sans-serif; background: var(--c-canvas); color: var(--c-ink); }
a { text-decoration: none; }
::selection { background: #BFDBFE; color: var(--c-ink); }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #F1F5F9; }
::-webkit-scrollbar-thumb { background: var(--c-line-strong); border-radius: 9999px; }

.shadow-2xl { box-shadow: 0 24px 48px -16px rgba(15, 23, 42, .22) !important; }
/* Ô nhập gốc: vòng focus + màu chọn theo token (font-mono đã do tailwind.config đặt JetBrains Mono) */
input:focus, select:focus, textarea:focus { box-shadow: 0 0 0 3px var(--c-focus); }
input[type="checkbox"], input[type="radio"] { accent-color: var(--c-primary); }

/* Navigation */
.nav-link { color: var(--c-ink-soft); font-weight: 500; font-size: 14px; transition: color .15s; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--c-ink); }

/* Buttons: .btn = bố cục; .btn-* = màu (dùng riêng được với lớp padding cũ) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 0 16px; font-size: 14px; line-height: 1.2; white-space: nowrap; cursor: pointer; }
.btn-sm { min-height: 34px; padding: 0 12px; font-size: 13px; }
@media (max-width: 640px) { .btn, .btn-sm { min-height: 44px; } }
.btn-chip { min-height: 32px; padding: 0 10px; font-size: 12px; }
@media (max-width: 640px) { .btn-chip { min-height: 44px; } }
.btn-primary, .btn-dark, .btn-navy, .btn-outline { border-radius: 8px; font-weight: 600; transition: background .15s, border-color .15s, color .15s; }
.btn-primary { background: var(--c-primary); color: #FFFFFF; border: 1px solid var(--c-primary); }
.btn-primary:hover { background: var(--c-primary-hover); border-color: var(--c-primary-hover); color: #FFFFFF; }
.btn-dark, .btn-navy { background: var(--c-ink); color: #FFFFFF; border: 1px solid var(--c-ink); }
.btn-dark:hover, .btn-navy:hover { background: #334155; border-color: #334155; color: #FFFFFF; }
.btn-outline { background: var(--c-surface); color: var(--c-ink); border: 1px solid var(--c-line-strong); }
.btn-outline:hover { border-color: var(--c-ink); background: #F8FAFC; }
.btn-danger, .btn-danger-outline { border-radius: 8px; font-weight: 600; transition: background .15s, border-color .15s, color .15s; }
.btn-danger { background: #B91C1C; color: #FFFFFF; border: 1px solid #B91C1C; }
.btn-danger:hover:not(:disabled) { background: #7F1D1D; border-color: #7F1D1D; color: #FFFFFF; }
.btn-danger-outline { background: var(--c-surface); color: #B91C1C; border: 1px solid #B91C1C; }
.btn-danger-outline:hover:not(:disabled) { background: var(--c-bad-bg); }
.btn:focus-visible, .btn-primary:focus-visible, .btn-dark:focus-visible, .btn-navy:focus-visible, .btn-outline:focus-visible, .btn-danger:focus-visible, .btn-danger-outline:focus-visible {
    outline: 2px solid var(--c-primary); outline-offset: 2px; box-shadow: 0 0 0 3px var(--c-focus);
}
.btn[disabled], .btn:disabled { opacity: .55; cursor: not-allowed; }

/* Cards */
.card { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 12px; box-shadow: var(--shadow-1); }
.card-header { display: flex; align-items: center; gap: 16px; padding: 18px 24px; border-bottom: 1px solid var(--c-line); }

/* Tables */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th { text-align: left; font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--c-muted); background: #F8FAFC; padding: 12px 16px; border-bottom: 1px solid var(--c-line); white-space: nowrap; }
.data-table td { padding: 14px 16px; border-bottom: 1px solid #F1F5F9; vertical-align: middle; }
.data-table tr:last-child td { border-bottom: 0; }

/* Status badges */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; line-height: 1.4; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.badge-ok { background: var(--c-ok-bg); color: var(--c-ok-fg); }
.badge-bad { background: var(--c-bad-bg); color: var(--c-bad-fg); }
.badge-warn { background: var(--c-warn-bg); color: var(--c-warn-fg); }
.badge-neutral { background: #F1F5F9; color: #334155; }

/* Forms */
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 500; color: #334155; }
.input { height: 44px; box-sizing: border-box; padding: 0 14px; border: 1px solid var(--c-line-strong); border-radius: 8px; background: var(--c-surface); color: var(--c-ink); font-size: 15px; width: 100%; }
.input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px var(--c-focus); }

/* Eyebrow label */
.eyebrow { display: inline-block; width: fit-content; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--c-primary); background: var(--c-primary-soft); padding: 6px 10px; border-radius: 6px; }