/* VINLOT – unified design system (admin + standalone, no CDN) */
:root {
    /* Brand */
    --c-navy: #0b1f3a;        /* logo dark */
    --c-navy-700: #12294d;
    --c-primary: #1763e5;     /* logo bright blue */
    --c-primary-dark: #0f4fc0;
    --c-primary-50: #eef4ff;
    --c-primary-100: #dbe7ff;

    /* Neutrals (slate) */
    --c-bg: #eef2f8;
    --c-bg-2: #f6f9fd;
    --c-card: #ffffff;
    --c-border: #e3e9f2;
    --c-border-strong: #cdd7e6;
    --c-text: #0f1b30;
    --c-muted: #5b6b85;

    /* Semantic */
    --c-ok-fg: #157347;  --c-ok-bg: #dcfce7;  --c-ok-bd: #bbf7d0;
    --c-warn-fg: #a15c07; --c-warn-bg: #fef3c7; --c-warn-bd: #fde68a;
    --c-err-fg: #c2261b;  --c-err-bg: #fee2e2;  --c-err-bd: #fecaca;

    /* Scale */
    --sp: 16px;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 8px;
    --shadow: 0 10px 30px -12px rgba(11, 31, 58, .18);
    --shadow-sm: 0 4px 14px -6px rgba(11, 31, 58, .16);
    --shadow-lg: 0 24px 60px -20px rgba(11, 31, 58, .28);
    --ring: 0 0 0 3px rgba(23, 99, 229, .25);
    --maxw: 1200px;
    --ease: 170ms cubic-bezier(.2, .7, .3, 1);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background:
        radial-gradient(1200px 480px at 100% -10%, var(--c-primary-50), transparent 60%),
        var(--c-bg);
    background-attachment: fixed;
    color: var(--c-text);
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--c-primary); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--c-primary-dark); text-decoration: underline; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Topbar */
.topbar {
    background: rgba(255, 255, 255, .82);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 30;
}
.topbar__inner { display: flex; align-items: center; gap: 18px; min-height: 64px; }
.topbar__brand { display: flex; align-items: center; gap: 12px; color: var(--c-navy); font-weight: 800; }
.topbar__brand:hover { text-decoration: none; }
.topbar__logo-img { height: 30px; width: auto; display: block; }
.topbar__brand small,
.topbar__tag {
    display: inline-block; font-weight: 700; font-size: 11px; letter-spacing: .04em;
    text-transform: uppercase; color: var(--c-primary);
    background: var(--c-primary-50); border: 1px solid var(--c-primary-100);
    padding: 3px 9px; border-radius: 999px;
}
/* legacy fallback square logo */
.topbar__logo {
    width: 38px; height: 38px; border-radius: var(--radius-xs); overflow: hidden;
    background: var(--c-primary); color: #fff; display: grid; place-items: center; font-weight: 800;
}
.topbar__logo img { width: 100%; height: 100%; object-fit: contain; background: #fff; }

.nav-links { margin-left: auto; display: flex; gap: 2px; align-items: center; }
.nav-links a {
    color: var(--c-muted); padding: 9px 14px; border-radius: var(--radius-xs);
    font-weight: 650; font-size: 14px; position: relative; transition: all var(--ease);
}
.nav-links a:hover { background: var(--c-primary-50); color: var(--c-navy); text-decoration: none; }
.nav-links a.active { color: var(--c-primary); }
.nav-links a.active::after {
    content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
    background: var(--c-primary); border-radius: 2px;
}
.nav-toggle {
    display: none; margin-left: auto; background: transparent; border: 0; color: var(--c-navy);
    font-size: 26px; line-height: 1; cursor: pointer; padding: 4px 8px; border-radius: 8px;
}
.nav-toggle:hover { background: var(--c-primary-50); }

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        position: absolute; top: 64px; left: 0; right: 0; flex-direction: column;
        align-items: stretch; gap: 0; background: #fff; padding: 8px 16px 16px;
        margin: 0; display: none; border-bottom: 1px solid var(--c-border); box-shadow: var(--shadow);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 13px 8px; border-radius: 0; border-bottom: 1px solid var(--c-border); }
    .nav-links a.active::after { display: none; }
    .nav-links a.active { background: var(--c-primary-50); }
}

/* Main */
main.container { padding-top: 26px; padding-bottom: 56px; }
.page-title { font-size: 26px; font-weight: 800; letter-spacing: -.01em; color: var(--c-navy); margin: 0 0 18px; }
.page-title small { display: block; font-size: 14px; font-weight: 500; color: var(--c-muted); margin-top: 3px; }

/* Cards */
.card {
    background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 22px; margin-bottom: var(--sp);
}
.card__title { font-size: 17px; font-weight: 750; color: var(--c-navy); margin: 0 0 14px; }
.card__hint { color: var(--c-muted); font-size: 13px; margin: -8px 0 14px; }

/* Flash / toast */
.flash {
    border-radius: var(--radius-sm); padding: 12px 16px; margin-bottom: 12px;
    background: var(--c-primary-50); border: 1px solid var(--c-primary-100); color: var(--c-navy-700);
    font-size: 14px; font-weight: 550; box-shadow: var(--shadow-sm);
}
.flash--error { background: var(--c-err-bg); border-color: var(--c-err-bd); color: var(--c-err-fg); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 42px; padding: 9px 18px; border-radius: var(--radius-xs); border: 1px solid transparent;
    background: #eef2f8; color: var(--c-navy); font-weight: 650; font-size: 14px;
    cursor: pointer; text-decoration: none; line-height: 1; transition: all var(--ease);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: linear-gradient(180deg, var(--c-primary), var(--c-primary-dark)); color: #fff; box-shadow: 0 8px 18px -8px rgba(23, 99, 229, .7); }
.btn--primary:hover { box-shadow: 0 12px 22px -8px rgba(23, 99, 229, .8); color: #fff; }
.btn--success { background: #16a34a; color: #fff; }
.btn--success:hover { color: #fff; }
.btn--danger { background: #dc2626; color: #fff; }
.btn--danger:hover { color: #fff; }
.btn--outline { background: #fff; border-color: var(--c-border-strong); color: var(--c-navy); }
.btn--outline:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn--outline-danger { background: #fff; border-color: var(--c-err-bd); color: var(--c-err-fg); }
.btn--outline-success { background: #fff; border-color: var(--c-ok-bd); color: var(--c-ok-fg); }
.btn--sm { min-height: 36px; padding: 7px 13px; font-size: 13px; }
.btn--block { width: 100%; }
.btn:disabled, .btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

/* Forms */
.form-group { margin-bottom: 14px; }
.label { display: block; font-size: 13px; font-weight: 650; color: var(--c-navy); margin-bottom: 6px; }
.input, .textarea, .select {
    width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid var(--c-border-strong);
    border-radius: var(--radius-xs); background: #fff; font: inherit; color: var(--c-text);
    transition: border-color var(--ease), box-shadow var(--ease);
}
.textarea { min-height: 80px; resize: vertical; }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--c-primary); box-shadow: var(--ring); }
.textarea--mono { font-family: ui-monospace, "SF Mono", monospace; font-size: 12px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; align-items: end; }
.checkbox-row { display: flex; align-items: center; gap: 10px; padding: 7px 0; }
.checkbox-row input { width: 18px; height: 18px; accent-color: var(--c-primary); }
.checkbox-list { max-height: 260px; overflow: auto; border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 8px 14px; margin-bottom: 12px; }

/* Tables */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--c-border); }
table.table { width: 100%; border-collapse: collapse; }
table.table th { background: var(--c-bg-2); font-size: 11.5px; color: var(--c-muted); text-align: left; text-transform: uppercase; letter-spacing: .05em; font-weight: 700; }
table.table th, table.table td { padding: 12px 14px; border-bottom: 1px solid var(--c-border); vertical-align: top; }
table.table tbody tr { transition: background var(--ease); }
table.table tbody tr:hover { background: var(--c-primary-50); }
table.table tr:last-child td { border-bottom: 0; }
.mono, table.table td.num { font-variant-numeric: tabular-nums; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 11px; border-radius: 999px; font-size: 12px; font-weight: 700; border: 1px solid transparent; }
.badge--ok { background: var(--c-ok-bg); color: var(--c-ok-fg); border-color: var(--c-ok-bd); }
.badge--warn { background: var(--c-warn-bg); color: var(--c-warn-fg); border-color: var(--c-warn-bd); }
.badge--err { background: var(--c-err-bg); color: var(--c-err-fg); border-color: var(--c-err-bd); }
.badge--muted { background: #eef2f8; color: var(--c-muted); border-color: var(--c-border); }

/* Tenant overview grid */
.tenant-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 16px; }
.tenant-card {
    background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--radius);
    box-shadow: var(--shadow-sm); padding: 18px; display: flex; flex-direction: column; gap: 12px;
    transition: transform var(--ease), box-shadow var(--ease);
}
.tenant-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.tenant-card__name { font-size: 17px; font-weight: 800; color: var(--c-navy); }
.tenant-card__metrics { display: flex; gap: 22px; }
.metric__value { font-size: 22px; font-weight: 800; color: var(--c-navy); display: block; font-variant-numeric: tabular-nums; }
.metric__label { font-size: 12px; color: var(--c-muted); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--c-border); margin-bottom: 18px; flex-wrap: wrap; }
.tab {
    background: transparent; border: 0; border-bottom: 2px solid transparent; margin-bottom: -2px;
    padding: 11px 16px; font-weight: 700; font-size: 14px; color: var(--c-muted); cursor: pointer;
    transition: color var(--ease), border-color var(--ease);
}
.tab:hover { color: var(--c-navy); }
.tab.active { color: var(--c-primary); border-bottom-color: var(--c-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Misc helpers */
.muted { color: var(--c-muted); }
.small { font-size: 12px; color: var(--c-muted); }
.mono { font-family: ui-monospace, "SF Mono", monospace; word-break: break-all; }
.stack > * + * { margin-top: 10px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.mt { margin-top: 12px; }
.empty { color: var(--c-muted); padding: 16px 0; text-align: center; }
.subcard { border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 14px; margin-bottom: 12px; background: var(--c-bg-2); }

/* Auth (login / change-password) */
body.auth { background:
        radial-gradient(900px 500px at 50% -10%, var(--c-primary-100), transparent 60%),
        linear-gradient(180deg, var(--c-bg-2), var(--c-bg)); }
body.auth main.container { min-height: 100vh; display: grid; place-items: center; }
.auth-box {
    width: min(420px, 92vw); background: var(--c-card); padding: 34px 32px;
    border-radius: var(--radius); box-shadow: var(--shadow-lg); border: 1px solid var(--c-border);
}
.auth-logo { display: block; height: 40px; width: auto; margin: 0 auto 18px; }
.auth-title { text-align: center; font-size: 20px; font-weight: 800; color: var(--c-navy); margin: 0 0 4px; }
.auth-sub { text-align: center; color: var(--c-muted); font-size: 13.5px; margin: 0 0 22px; }

/* Modal */
.modal-backdrop {
    display: none; position: fixed; inset: 0; background: rgba(11, 31, 58, .55);
    backdrop-filter: blur(2px); z-index: 50; align-items: center; justify-content: center; padding: 16px;
}
.modal-backdrop.open { display: flex; }
.modal-box {
    background: #fff; border-radius: var(--radius); max-width: 720px; width: 100%;
    max-height: 90vh; overflow: auto; padding: 24px; box-shadow: var(--shadow-lg);
}
.modal-box__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.modal-box__head h3 { color: var(--c-navy); margin: 0; }
.modal-close { background: transparent; border: 0; font-size: 24px; cursor: pointer; line-height: 1; color: var(--c-muted); border-radius: 8px; padding: 0 6px; }
.modal-close:hover { background: var(--c-bg); color: var(--c-navy); }

/* Standalone metrics + banners */
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.metric-grid .metric { border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 16px; background: var(--c-bg-2); }
@media (max-width: 900px) { .metric-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .metric-grid { grid-template-columns: 1fr; } }
.banner {
    border-left: 4px solid var(--c-primary); display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: 12px;
}
.banner--warn { border-left-color: #d97706; }

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
    .btn:hover, .tenant-card:hover { transform: none; }
}