/* VeriHub — design tokens + base styles (dual theme via data-bs-theme) */

:root[data-bs-theme="light"] {
    --vh-bg: #f7f8fa;
    --vh-surface: #ffffff;
    --vh-text: #101828;
    --vh-text-muted: #475467;
    --vh-border: #e4e7ec;
    --vh-accent: #4f46e5;
    --vh-accent-hover: #4338ca;
    --vh-success: #067647;
    --vh-warning: #b54708;
    --vh-danger: #b42318;
}

:root[data-bs-theme="dark"] {
    --vh-bg: #0b1220;
    --vh-surface: #111a2c;
    --vh-text: #e6eaf2;
    --vh-text-muted: #98a2b3;
    --vh-border: #1f2a3d;
    --vh-accent: #818cf8;
    --vh-accent-hover: #a5b4fc;
    --vh-success: #47cd89;
    --vh-warning: #fdb022;
    --vh-danger: #f97066;
}

/* Base */
html { color-scheme: light dark; }
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--vh-bg);
    color: var(--vh-text);
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.55;
}
a { color: var(--vh-accent); }
a:hover { color: var(--vh-accent-hover); }

/* Layout */
.vh-container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 1rem; }
.vh-main { flex: 1; padding: 2rem 0 3rem; }

/* Header */
.vh-header { border-bottom: 1px solid var(--vh-border); background: var(--vh-surface); }
.vh-header-row { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 1rem; }
.vh-brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.15rem; color: var(--vh-text); text-decoration: none; }
.vh-logo { color: var(--vh-accent); }
.vh-nav { display: flex; align-items: center; gap: 1rem; }
.vh-nav a { color: var(--vh-text); text-decoration: none; }
.vh-nav a:hover { color: var(--vh-accent); }
.vh-nav-user { color: var(--vh-text-muted); }
.vh-theme-toggle {
    background: transparent; border: 1px solid var(--vh-border); border-radius: 8px;
    color: var(--vh-text); width: 36px; height: 36px; display: inline-flex;
    align-items: center; justify-content: center; cursor: pointer;
}
.vh-theme-toggle:hover { border-color: var(--vh-accent); color: var(--vh-accent); }
:root[data-bs-theme="light"] .vh-icon-moon { display: none; }
:root[data-bs-theme="dark"] .vh-icon-sun { display: none; }

/* Footer */
.vh-footer { border-top: 1px solid var(--vh-border); padding: 1rem 0; color: var(--vh-text-muted); font-size: .875rem; }
.vh-footer .vh-container { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* Cards + forms */
.vh-card {
    background: var(--vh-surface); border: 1px solid var(--vh-border);
    border-radius: 12px; padding: 1.75rem; max-width: 460px; margin: 0 auto;
}
.vh-card h1 { font-size: 1.4rem; margin: 0 0 1rem; }
.vh-label { display: block; font-size: .875rem; font-weight: 600; margin: 1rem 0 .35rem; color: var(--vh-text); }
.vh-input, .vh-select {
    width: 100%; box-sizing: border-box; padding: .6rem .75rem;
    border: 1px solid var(--vh-border); border-radius: 8px;
    background: var(--vh-bg); color: var(--vh-text); font-size: 1rem;
}
.vh-input:focus, .vh-select:focus { outline: 2px solid var(--vh-accent); outline-offset: 1px; border-color: var(--vh-accent); }
.vh-help { font-size: .8rem; color: var(--vh-text-muted); margin: .35rem 0 0; }
.vh-btn {
    display: inline-block; width: 100%; margin-top: 1.5rem; padding: .65rem 1rem;
    border: 0; border-radius: 8px; background: var(--vh-accent); color: #ffffff;
    font-size: 1rem; font-weight: 600; cursor: pointer; text-align: center; text-decoration: none;
}
.vh-btn:hover { background: var(--vh-accent-hover); color: #ffffff; }
.vh-btn-accent {
    background: var(--vh-accent); color: #fff; padding: .4rem .9rem;
    border-radius: 8px; text-decoration: none; font-weight: 600;
}
.vh-alert { border-radius: 8px; padding: .75rem 1rem; margin: 0 0 1rem; font-size: .925rem; border: 1px solid; }
.vh-alert-error { background: color-mix(in srgb, var(--vh-danger) 10%, transparent); border-color: var(--vh-danger); color: var(--vh-danger); }
.vh-alert-ok { background: color-mix(in srgb, var(--vh-success) 10%, transparent); border-color: var(--vh-success); color: var(--vh-success); }
.vh-alt-link { display: block; margin-top: 1.25rem; font-size: .9rem; color: var(--vh-text-muted); }

/* Dashboard */
.vh-dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.vh-tile { background: var(--vh-surface); border: 1px solid var(--vh-border); border-radius: 12px; padding: 1.25rem; }
.vh-tile h2 { font-size: 1rem; margin: 0 0 .5rem; color: var(--vh-text-muted); font-weight: 600; }
.vh-tile p { margin: 0; font-size: 1.05rem; }
.vh-badge { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 700; border: 1px solid var(--vh-border); color: var(--vh-text-muted); }
.vh-badge-ok { color: var(--vh-success); border-color: var(--vh-success); }
.vh-badge-warn { color: var(--vh-warning); border-color: var(--vh-warning); }

/* Public landing */
.vh-hero { padding: 4rem 0 3rem; border-bottom: 1px solid var(--vh-border); background: var(--vh-surface); }
.vh-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 1rem; letter-spacing: -0.02em; }
.vh-hero-sub { font-size: 1.1rem; color: var(--vh-text-muted); max-width: 640px; margin: 0 0 2rem; }
.vh-hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.vh-hero-btn { width: auto; margin-top: 0; padding: .7rem 1.6rem; }
.vh-btn-secondary {
    display: inline-block; padding: .7rem 1.6rem; border-radius: 8px;
    border: 1px solid var(--vh-border); color: var(--vh-text);
    font-weight: 600; text-decoration: none;
}
.vh-btn-secondary:hover { border-color: var(--vh-accent); color: var(--vh-accent); }
.vh-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; padding-top: 2.5rem; }
.vh-features .vh-tile p { font-size: .95rem; color: var(--vh-text-muted); }

/* Settings pages (profile/security/consent/audit) */
.vh-page { max-width: 760px; margin: 0 auto; }
.vh-page h1 { font-size: 1.5rem; margin: 0 0 .35rem; }
.vh-page-sub { color: var(--vh-text-muted); margin: 0 0 1.5rem; }
.vh-section { background: var(--vh-surface); border: 1px solid var(--vh-border); border-radius: 12px; padding: 1.5rem; margin-bottom: 1.25rem; }
.vh-section h2 { font-size: 1.05rem; margin: 0 0 1rem; }
.vh-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
@media (max-width: 640px) { .vh-grid-2 { grid-template-columns: 1fr; } }
.vh-summary { border: 1px solid var(--vh-danger); background: color-mix(in srgb, var(--vh-danger) 10%, transparent); border-radius: 10px; padding: 1rem; margin-bottom: 1.25rem; }
.vh-summary h2 { font-size: 1rem; margin: 0 0 .5rem; color: var(--vh-danger); }
.vh-summary a { color: var(--vh-danger); }
.vh-field-error { color: var(--vh-danger); font-size: .85rem; margin-top: .3rem; }
.vh-code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .95rem; background: var(--vh-bg); border: 1px dashed var(--vh-border); border-radius: 8px; padding: .6rem .8rem; word-break: break-all; user-select: all; }
.vh-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.vh-table th, .vh-table td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--vh-border); }
.vh-table th { color: var(--vh-text-muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.vh-status-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .6rem 0; border-bottom: 1px solid var(--vh-border); }
.vh-status-row:last-child { border-bottom: 0; }
.vh-check { color: var(--vh-success); font-weight: 700; }
.vh-warn { color: var(--vh-warning); font-weight: 700; }
.vh-btn-inline { width: auto; margin-top: .75rem; padding: .5rem 1.1rem; font-size: .92rem; }
.vh-btn-danger { background: var(--vh-danger); }
.vh-btn-danger:hover { background: var(--vh-danger); filter: brightness(1.15); color: #fff; }