:root {
    --ink: #0c1222;
    --ink-soft: #3d4759;
    --muted: #6b7385;
    --line: #e6e9ef;
    --paper: #ffffff;
    --canvas: #f3f5f8;
    --accent: #1d4ed8;
    --accent-hover: #1e40af;
    --gold: #c9a227;
    --success: #0f766e;
    --success-bg: #ecfdf8;
    --warning: #b54708;
    --warning-bg: #fff7ed;
    --danger: #b42318;
    --danger-bg: #fef3f2;
    --pending: #93370d;
    --pending-bg: #fff6eb;
    --shadow: 0 1px 2px rgba(12, 18, 34, 0.06), 0 12px 32px rgba(12, 18, 34, 0.06);
    --radius: 14px;
    --font: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--canvas);
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent); }

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.82em;
    background: #eef1f6;
    padding: 0.12em 0.4em;
    border-radius: 6px;
}

.btn,
button.btn,
a.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: var(--ink);
    color: #fff;
    border: 0;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    font: 600 0.9rem/1 var(--font);
    transition: transform 0.12s ease, background 0.12s ease;
}

.btn:hover,
button.btn:hover { background: #1a2336; }

.btn-primary { background: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--line);
}
.btn-ghost:hover { background: #f7f8fb; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #912018; }
.btn-sm { padding: 0.4rem 0.7rem; font-size: 0.8rem; border-radius: 8px; }
.btn-block { width: 100%; }
.topbar-actions { display: flex; align-items: center; gap: 0.5rem; }
.topbar-actions form { margin: 0; }
.btn-on-dark {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.22);
}
.btn-on-dark:hover { background: rgba(255,255,255,0.08); }

.muted { color: var(--muted); font-size: 0.9rem; }

.flash {
    border-radius: 12px;
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid #99f6e4;
}

/* Connect / public shell */
.shell-connect {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(1200px 500px at 10% -10%, rgba(201, 162, 39, 0.16), transparent 55%),
        radial-gradient(900px 420px at 100% 0%, rgba(29, 78, 216, 0.12), transparent 50%),
        var(--canvas);
}

.shell-connect .topbar,
.shell-admin .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    color: inherit;
}

.brand-mark {
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
}

.brand-copy strong {
    display: block;
    font-size: 0.92rem;
    letter-spacing: -0.02em;
}

.brand-copy span {
    display: block;
    color: var(--muted);
    font-size: 0.75rem;
}

.shell-connect main {
    flex: 1;
    width: min(560px, calc(100% - 2rem));
    margin: 1.5rem auto 2rem;
}

.panel {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.6rem 1.5rem;
}

.panel h1 {
    margin: 0 0 0.4rem;
    font-size: 1.35rem;
    letter-spacing: -0.03em;
}

.panel h2 {
    margin: 0 0 0.75rem;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.panel p { margin: 0.55rem 0; }

.footer-note {
    text-align: center;
    color: var(--muted);
    font-size: 0.8rem;
    padding: 0 1rem 2rem;
}

.icon-circle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.icon-success { background: var(--success-bg); color: var(--success); }
.icon-error { background: var(--danger-bg); color: var(--danger); }
.icon-info { background: #eef4ff; color: var(--accent); }

.location-list {
    display: grid;
    gap: 0.7rem;
    margin: 1rem 0 1.25rem;
}

.location-option {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.85rem 0.95rem;
    cursor: pointer;
}

.location-option:has(input:checked) {
    border-color: var(--accent);
    background: #f5f8ff;
    box-shadow: inset 0 0 0 1px var(--accent);
}

.location-option input { margin-top: 0.25rem; }
.location-option strong { display: block; }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.25rem; }

/* Admin */
.shell-admin { min-height: 100vh; }

.shell-admin .topbar {
    background: var(--ink);
    color: #fff;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.shell-admin .brand-copy span { color: rgba(255,255,255,0.62); }

.admin-wrap {
    width: min(1240px, calc(100% - 2rem));
    margin: 1.5rem auto 3rem;
}

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.page-head h1 {
    margin: 0;
    font-size: 1.45rem;
    letter-spacing: -0.03em;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.stat {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1rem 1.05rem;
    box-shadow: 0 1px 2px rgba(12, 18, 34, 0.04);
}

.stat-label {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-value {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    margin-top: 0.15rem;
}

.table-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: auto;
}

table.data {
    width: 100%;
    border-collapse: collapse;
    min-width: 920px;
}

table.data th,
table.data td {
    text-align: left;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
    font-size: 0.875rem;
}

table.data th {
    background: #f8f9fc;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #fafbfe; }
table.data .row-duplicate { background: #fffdf5; }

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.18rem 0.55rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.badge-connected { background: var(--success-bg); color: var(--success); }
.badge-pending { background: var(--pending-bg); color: var(--pending); }
.badge-error { background: var(--danger-bg); color: var(--danger); }
.badge-disconnected { background: #eef1f6; color: var(--ink-soft); }
.badge-duplicate { background: #fef3c7; color: #92400e; margin-left: 0.4rem; }

.cell-actions form { display: inline; }
.cell-actions { white-space: nowrap; }
.last-error {
    color: var(--danger);
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--muted);
}

.pagination-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1rem;
    border-top: 1px solid var(--line);
    font-size: 0.85rem;
    color: var(--muted);
}

.pagination-wrap nav { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.pagination-wrap a,
.pagination-wrap span {
    display: inline-flex;
    min-width: 2rem;
    height: 2rem;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    padding: 0 0.5rem;
    text-decoration: none;
    color: var(--ink);
}

.pagination-wrap a { border: 1px solid var(--line); background: #fff; }
.pagination-wrap .current { background: var(--ink); color: #fff; }

@media (max-width: 900px) {
    .stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .page-head { flex-direction: column; align-items: flex-start; }
    .stats { grid-template-columns: 1fr 1fr; }
}

.login-form { margin-top: 1.25rem; }

.field { margin: 0 0 1rem; }

.field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.field input {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    font: 400 0.95rem/1.4 var(--font);
    background: #fff;
    color: var(--ink);
}

.field input:focus {
    outline: 2px solid #bfdbfe;
    border-color: var(--accent);
}

.field-error {
    color: var(--danger);
    font-size: 0.85rem;
    margin: 0.4rem 0 0;
}