:root {
    /* Light surfaces */
    --bg: #f5f7fb;
    --bg-elev: #ffffff;
    --bg-elev-2: #f8fafc;
    --surface: #ffffff;
    --border: #e2e6ee;
    --border-strong: #c8d0dc;

    --text: #1a1d29;
    --text-dim: #525968;
    --text-mute: #8b93a3;

    /* Sidebar — dark purple */
    --side-bg: #2a1a4a;
    --side-bg-hover: #3a2560;
    --side-bg-active: #46307a;
    --side-border: #3a2560;
    --side-text: #c9c0e6;
    --side-text-strong: #ffffff;
    --side-mute: #8579b0;

    /* Accent — purple primary */
    --accent: #6b46c1;
    --accent-hover: #5a37a8;
    --accent-soft: #ede9f7;
    --accent-text: #ffffff;

    /* Status */
    --ok: #16a34a;
    --ok-bg: #dcfce7;
    --warn: #ca8a04;
    --warn-bg: #fef3c7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --info: #2563eb;
    --info-bg: #dbeafe;

    --radius: 6px;
    --radius-lg: 10px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
    --shadow: 0 4px 16px rgba(15,23,42,.08);
    --shadow-lg: 0 8px 28px rgba(15,23,42,.12);

    --font-display: "Geist", system-ui, -apple-system, sans-serif;
    --font-mono: "Geist Mono", "JetBrains Mono", monospace;
}

* { box-sizing: border-box; }
html, body {
    margin: 0; padding: 0; height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-display);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

button { font-family: inherit; cursor: pointer; }

/* ---------- Boot screen ---------- */
.boot-screen {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    height: 100vh; gap: 12px;
    background: var(--side-bg);
}
.boot-logo {
    font-family: var(--font-mono);
    font-size: 32px; letter-spacing: 8px; color: var(--side-text-strong);
}
.boot-sub {
    font-size: 11px; text-transform: uppercase; letter-spacing: 4px; color: var(--side-mute);
}

/* ---------- Shell layout ---------- */
.shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    grid-template-rows: 56px 1fr;
    grid-template-areas: "side topbar" "side main";
    height: 100vh;
}
.shell-side {
    grid-area: side;
    background: var(--side-bg);
    border-right: 1px solid var(--side-border);
    overflow-y: auto;
    color: var(--side-text);
}
.shell-top {
    grid-area: topbar;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px;
    box-shadow: var(--shadow-sm);
}
.shell-main {
    grid-area: main;
    overflow: auto;
    padding: 26px 32px;
    background: var(--bg);
}

/* Sidebar */
.side-brand {
    padding: 18px 22px;
    border-bottom: 1px solid var(--side-border);
    font-family: var(--font-mono);
    font-size: 17px; letter-spacing: 5px; color: var(--side-text-strong);
    display: flex; align-items: center; gap: 10px;
    font-weight: 600;
}
.side-brand .dot {
    width: 8px; height: 8px; background: #b794f4; border-radius: 50%;
    box-shadow: 0 0 10px #b794f4;
}
.side-group { padding: 14px 0; }
.side-group-title {
    padding: 0 22px 8px;
    font-size: 10px; text-transform: uppercase; letter-spacing: 1.8px;
    color: var(--side-mute);
    font-weight: 500;
}
.side-link {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 22px;
    color: var(--side-text);
    font-size: 13px;
    border-left: 3px solid transparent;
    text-decoration: none;
    transition: all .15s;
}
.side-link:hover {
    background: var(--side-bg-hover);
    color: var(--side-text-strong);
    text-decoration: none;
}
.side-link.active {
    background: var(--side-bg-active);
    color: var(--side-text-strong);
    border-left-color: #b794f4;
    font-weight: 500;
}

/* Topbar logo placeholder */
.top-logo {
    display: flex; align-items: center; gap: 12px;
}
.logo-mark {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent) 0%, #9170d4 100%);
    color: var(--accent-text);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display);
    font-weight: 700; font-size: 18px;
    box-shadow: 0 2px 8px rgba(107, 70, 193, 0.25);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-name { font-size: 14px; font-weight: 600; color: var(--text); }
.logo-tag { font-family: var(--font-mono); font-size: 10px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1.2px; }

/* Keep .top-search styles for any pages that may still use the class */
.top-search {
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: var(--radius);
    width: 320px;
    font-family: var(--font-mono);
    font-size: 12px;
    transition: border-color .15s, box-shadow .15s;
}
.top-search:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.top-search::placeholder { color: var(--text-mute); }
.top-user {
    display: flex; align-items: center; gap: 12px;
    font-size: 13px;
    color: var(--text-dim);
}
.top-user-name { color: var(--text); font-weight: 500; }
.top-user-role {
    font-family: var(--font-mono); font-size: 10px;
    background: var(--accent-soft); padding: 3px 8px; border-radius: 4px;
    color: var(--accent);
    text-transform: uppercase; letter-spacing: 1px;
    font-weight: 600;
}

/* ---------- Page header ---------- */
.page-head {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 24px; padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.page-title {
    font-size: 24px; font-weight: 600; margin: 0;
    letter-spacing: -0.3px;
    color: var(--text);
}
.page-sub {
    font-family: var(--font-mono); font-size: 11px;
    color: var(--text-mute); margin-top: 5px;
    text-transform: uppercase; letter-spacing: 1.2px;
}

/* ---------- Panels ---------- */
.panel {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.panel-head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 13px; font-weight: 600;
    color: var(--text);
}
.panel-body { padding: 18px; }

/* KPI */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 24px; }
.kpi {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    position: relative; overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .15s, box-shadow .15s;
}
.kpi:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}
.kpi::after {
    content: ""; position: absolute; top: 0; right: 0; width: 70px; height: 70px;
    background: radial-gradient(circle at top right, var(--accent) 0%, transparent 65%);
    opacity: 0.08;
    pointer-events: none;
}
.kpi-label {
    font-size: 11px; text-transform: uppercase; letter-spacing: 1.2px;
    color: var(--text-mute); font-weight: 500;
}
.kpi-value {
    font-family: var(--font-mono); font-size: 30px; font-weight: 700;
    color: var(--text); margin-top: 6px;
    letter-spacing: -0.5px;
}
.kpi-foot { font-size: 11px; color: var(--text-mute); margin-top: 6px; }

/* ---------- Forms ---------- */
label {
    display: block;
    font-size: 11px; text-transform: uppercase; letter-spacing: 1.2px;
    color: var(--text-dim);
    margin-bottom: 5px;
    font-weight: 500;
}
.input, select, textarea {
    width: 100%;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 11px;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 13px;
    transition: border-color .15s, box-shadow .15s;
}
.input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.input::placeholder, textarea::placeholder { color: var(--text-mute); }
.form-row { display: grid; gap: 12px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.form-section { margin-bottom: 16px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); }

/* ---------- Buttons ---------- */
.btn {
    border: 1px solid var(--border-strong);
    background: var(--bg-elev);
    color: var(--text);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 13px; font-weight: 500;
    transition: all .15s;
    box-shadow: var(--shadow-sm);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary {
    background: var(--accent); color: var(--accent-text);
    border-color: var(--accent);
    font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-text); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; border-color: var(--danger); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-dim); box-shadow: none; }
.btn-ghost:hover { color: var(--text); background: var(--bg-elev-2); }
.btn-sm { padding: 5px 11px; font-size: 12px; }

/* ---------- Table ---------- */
.tbl-wrap { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-elev); box-shadow: var(--shadow-sm); }
.tbl { width: 100%; border-collapse: collapse; }
.tbl thead th {
    background: var(--bg-elev-2);
    padding: 11px 16px;
    font-size: 10px; text-transform: uppercase; letter-spacing: 1.2px;
    color: var(--text-mute); text-align: left; font-weight: 600;
    border-bottom: 1px solid var(--border);
}
.tbl tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    vertical-align: middle;
    color: var(--text);
}
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: var(--bg-elev-2); }
.tbl .mono { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }

/* ---------- Status pills ---------- */
.pill {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 12px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-mono);
    font-weight: 600;
}
.pill-ok      { background: var(--ok-bg); color: var(--ok); }
.pill-pending { background: var(--warn-bg); color: var(--warn); }
.pill-danger  { background: var(--danger-bg); color: var(--danger); }
.pill-info    { background: var(--info-bg); color: var(--info); }
.pill-neutral { background: #eef0f4; color: var(--text-dim); }

/* ---------- Login ---------- */
.login-screen {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg);
}
.login-aside {
    background: linear-gradient(135deg, var(--side-bg) 0%, #1a0e33 100%);
    display: flex; flex-direction: column; justify-content: space-between;
    padding: 44px;
    position: relative; overflow: hidden;
    color: var(--side-text);
}
.login-aside::before {
    content: ""; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 30% 20%, rgba(183,148,244,0.18) 0%, transparent 50%);
    pointer-events: none;
}
.login-brand {
    font-family: var(--font-mono);
    font-size: 30px; letter-spacing: 8px;
    color: var(--side-text-strong);
    font-weight: 600;
}
.login-tag {
    font-size: 12px; text-transform: uppercase; letter-spacing: 3px;
    color: var(--side-mute);
    margin-top: 6px;
}
.login-headline {
    font-size: 36px; line-height: 1.25;
    color: var(--side-text-strong);
    max-width: 380px; font-weight: 500; margin-top: 60px;
}
.login-headline em { color: #b794f4; font-style: normal; font-weight: 600; }
.login-foot { font-family: var(--font-mono); font-size: 11px; color: var(--side-mute); }
.login-form-wrap {
    display: flex; align-items: center; justify-content: center;
    padding: 44px;
    background: var(--bg-elev);
}
.login-form { width: 100%; max-width: 360px; }
.login-form h2 { margin: 0 0 4px; font-size: 22px; font-weight: 600; color: var(--text); }
.login-form .hint { color: var(--text-mute); font-size: 13px; margin-bottom: 28px; }

@media (max-width: 800px) {
    .login-screen { grid-template-columns: 1fr; }
    .login-aside { display: none; }
    .shell { grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
    .shell-side { display: none; }
}

/* ---------- Loading / empty ---------- */
.loading, .empty {
    padding: 44px;
    text-align: center;
    color: var(--text-mute);
    font-size: 13px;
}
.loading::before {
    content: "▮▯▮"; display: block; margin-bottom: 12px;
    font-family: var(--font-mono);
    letter-spacing: 6px; color: var(--accent);
    animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ---------- Alerts ---------- */
.alert {
    border-left: 3px solid;
    padding: 11px 14px;
    margin-bottom: 14px;
    font-size: 13px;
    border-radius: var(--radius);
    background: var(--bg-elev);
    box-shadow: var(--shadow-sm);
}
.alert-error   { border-color: var(--danger); color: var(--danger); background: var(--danger-bg); }
.alert-success { border-color: var(--ok); color: var(--ok); background: var(--ok-bg); }
.alert-info    { border-color: var(--info); color: var(--info); background: var(--info-bg); }

/* ---------- Modal ---------- */
.modal-backdrop {
    position: fixed; inset: 0; background: rgba(26, 16, 51, 0.5);
    backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
}
.modal {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%; max-width: 640px;
    max-height: 90vh; overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-head {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
}
.modal-title { font-size: 16px; font-weight: 600; margin: 0; color: var(--text); }
.modal-body { padding: 20px; }

/* ---------- Pagination ---------- */
.pager { display: flex; justify-content: flex-end; align-items: center; gap: 12px; margin-top: 14px; font-size: 12px; color: var(--text-mute); font-family: var(--font-mono); }
.pager button { background: var(--bg-elev); border: 1px solid var(--border); color: var(--text); padding: 5px 11px; border-radius: var(--radius); font-size: 11px; }
.pager button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.pager button:disabled { opacity: 0.4; cursor: not-allowed; }

#blazor-error-ui {
    background: var(--danger); color: white; bottom: 0; box-shadow: var(--shadow-lg);
    display: none; left: 0; padding: 0.7rem 1.25rem; position: fixed; width: 100%; z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }