:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --text: #172033;
    --muted: #6d778a;
    --border: #e4e9f1;
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --danger: #dc2626;
    --success: #15803d;
    --warning: #b45309;
    --shadow: 0 10px 30px rgba(20, 30, 55, .07);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; }
.topbar {
    height: 64px;
    background: #111827;
    color: #fff;
}
.topbar-inner {
    max-width: 1500px;
    height: 100%;
    margin: auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand-inline, .user-menu { display: flex; align-items: center; gap: 12px; }
.user-menu { font-size: 14px; }
.user-menu a { color: #d1d5db; text-decoration: none; }
.user-menu a:hover { color: #fff; }
.brand-mark {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
}
.container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 24px;
}
.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.stat {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    box-shadow: var(--shadow);
}
.stat span { color: var(--muted); font-size: 13px; }
.stat b { display: block; margin-top: 6px; font-size: 26px; }
.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}
.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.create-panel { padding: 20px; }
.panel-head {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}
.create-panel .panel-head { padding: 0 0 18px; }
.panel-head h2 { margin: 0; font-size: 18px; }
.panel-head p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.responsive-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}
.search { display: flex; gap: 8px; width: min(420px, 100%); }
label {
    display: block;
    margin: 16px 0 7px;
    font-size: 13px;
    font-weight: 650;
}
label small { color: var(--muted); font-weight: 400; }
.input, .table-input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: #fff;
    padding: 10px 11px;
    color: var(--text);
    outline: none;
    font: inherit;
}
.input:focus, .table-input:focus {
    border-color: #818cf8;
    box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.btn {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    padding: 9px 13px;
    border-radius: 9px;
    cursor: pointer;
    font-weight: 650;
    white-space: nowrap;
}
.btn:hover { background: #f8fafc; }
.btn.primary { color: #fff; background: var(--primary); border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-dark); }
.btn.full { width: 100%; margin-top: 18px; padding: 11px; }
.btn.small { padding: 7px 9px; font-size: 12px; }
.danger-btn { color: var(--danger); border-color: #fecaca; }
.inline { display: inline; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
th, td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
    font-size: 13px;
}
th { background: #f8fafc; color: #667085; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.table-input { min-width: 150px; padding: 8px 9px; font-size: 12px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
    display: inline-block;
    border-radius: 999px;
    padding: 5px 8px;
    font-size: 11px;
    font-weight: 700;
}
.badge.success { background: #dcfce7; color: var(--success); }
.badge.warning { background: #fef3c7; color: var(--warning); }
.badge.danger { background: #fee2e2; color: var(--danger); }
.empty { text-align: center; color: var(--muted); padding: 35px; }
.alert {
    border-radius: 10px;
    padding: 11px 14px;
    margin-bottom: 18px;
    font-size: 14px;
}
.alert.success { background: #dcfce7; color: #166534; }
.alert.danger { background: #fee2e2; color: #991b1b; }

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #eef2ff, #f8fafc);
}
.auth-card {
    width: min(420px, 100%);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 28px;
    box-shadow: var(--shadow);
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}
.brand h1 { margin: 0; font-size: 20px; }
.brand p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

@media (max-width: 900px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 650px) {
    .container { padding: 14px; }
    .topbar-inner { padding: 0 14px; }
    .stats { grid-template-columns: 1fr; }
    .responsive-head { align-items: stretch; flex-direction: column; }
    .search { width: 100%; }
    .user-menu span { display: none; }
}