:root {
    --bg-base: #eef3f7;
    --bg-soft: #f7fafc;
    --card: #ffffff;
    --line: #d4dee7;
    --line-strong: #bccbd8;
    --text: #16222b;
    --muted: #5a6d7c;
    --brand: #0c5a7e;
    --brand-dark: #08415d;
    --brand-soft: #e8f4fb;
    --danger: #b6403d;
    --danger-soft: #fdecec;
    --ok: #1d7a51;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 10px 28px rgba(19, 47, 66, 0.07);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "IBM Plex Sans", "Manrope", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 8% -10%, #ddebf4 0%, transparent 45%),
        radial-gradient(circle at 95% 0%, #e9f5fb 0%, transparent 45%),
        linear-gradient(180deg, var(--bg-base) 0%, var(--bg-soft) 58%, #f3f7fa 100%);
}

.hidden {
    display: none !important;
}

.error {
    color: var(--danger);
    min-height: 1.2em;
}

.muted {
    color: var(--muted);
}

.eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brand);
    margin-bottom: 4px;
}

.admin-header {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(185, 202, 216, 0.8);
    background: rgba(249, 252, 254, 0.9);
    backdrop-filter: blur(12px);
}

.admin-header h1 {
    margin: 0;
    font-size: 26px;
    font-weight: 720;
    letter-spacing: -0.02em;
}

.admin-header p {
    margin: 1px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.header-actions {
    display: flex;
    gap: 8px;
}

.admin-main {
    max-width: 1500px;
    margin: 0 auto;
    padding: 18px;
}

.login-card {
    max-width: 440px;
    margin: 60px auto;
}

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-card);
}

.card h2,
.card h3 {
    margin-top: 0;
    letter-spacing: -0.015em;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.kpi-card {
    border: 1px solid #d5e3ed;
    background: linear-gradient(140deg, #fbfdff 0%, #eff7fb 100%);
    border-radius: var(--radius);
    padding: 12px 14px;
}

.kpi-card p {
    margin: 0;
    font-size: 12px;
    color: #4a6477;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.kpi-card strong {
    display: block;
    margin-top: 8px;
    font-size: 30px;
    line-height: 1;
    color: #0f3954;
    letter-spacing: -0.02em;
}

.admin-tabs {
    display: flex;
    gap: 7px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.tab {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.86);
    border-radius: 999px;
    padding: 9px 14px;
    cursor: pointer;
    font-weight: 650;
    color: #254154;
    transition: all 0.2s ease;
}

.tab:hover {
    border-color: #a8c3d6;
    background: #fff;
}

.tab.active {
    background: linear-gradient(160deg, var(--brand) 0%, #0f6a95 100%);
    color: #fff;
    border-color: var(--brand);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.panel-head {
    margin-bottom: 10px;
    padding: 4px 2px;
}

.panel-head h2 {
    margin: 0;
    font-size: 22px;
    letter-spacing: -0.02em;
}

.panel-head p {
    margin: 4px 0 0;
    color: var(--muted);
}

.grid.two {
    display: grid;
    grid-template-columns: 1.05fr 1.3fr;
    gap: 12px;
}

.stack {
    display: grid;
    gap: 10px;
}

.row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

label {
    display: grid;
    gap: 4px;
    font-size: 13px;
    color: #2e4a5f;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: 9px 11px;
    font: inherit;
    background: #fff;
    color: var(--text);
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(14, 92, 133, 0.2);
    outline-offset: 1px;
    border-color: #5493b5;
}

textarea {
    font-family: "JetBrains Mono", "Consolas", monospace;
    line-height: 1.45;
}

fieldset {
    border: 1px dashed #c3d5e2;
    border-radius: var(--radius-sm);
    padding: 10px;
    background: #fcfdff;
}

legend {
    padding: 0 6px;
    color: #4e6778;
    font-weight: 600;
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 7px;
}

.check-grid.compact {
    max-height: 280px;
    overflow: auto;
    padding-right: 4px;
}

.btn {
    border: 1px solid var(--brand);
    background: linear-gradient(170deg, #0c5a7e 0%, #0b4d6b 100%);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 9px 13px;
    font-weight: 650;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 16px rgba(12, 90, 126, 0.2);
}

.btn.ghost {
    background: #fff;
    color: var(--brand);
    border-color: #8ab4cc;
}

.btn.danger {
    background: #fff;
    color: var(--danger);
    border-color: #d8a4a4;
}

.btn.danger:hover {
    box-shadow: none;
    background: var(--danger-soft);
}

.table-wrap {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #fff;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th,
td {
    border-bottom: 1px solid #edf2f5;
    padding: 9px;
    text-align: left;
    vertical-align: top;
}

th {
    background: linear-gradient(180deg, #f6fbfe 0%, #f1f8fc 100%);
    position: sticky;
    top: 0;
    z-index: 1;
    color: #214b63;
    font-weight: 700;
}

tbody tr:hover {
    background: #f8fcff;
}

.badge {
    display: inline-block;
    border: 1px solid #b8d3e4;
    background: var(--brand-soft);
    color: #104b71;
    border-radius: 999px;
    padding: 2px 8px;
    margin: 1px;
    font-size: 11px;
    font-weight: 600;
}

.badge.inactive {
    border-color: #d8c3c3;
    background: #faf1f1;
    color: #7b3f3f;
}

@media (max-width: 1120px) {
    .kpi-grid {
        grid-template-columns: repeat(2, minmax(170px, 1fr));
    }
}

@media (max-width: 960px) {
    .grid.two {
        grid-template-columns: 1fr;
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

@media (max-width: 640px) {
    .admin-main {
        padding: 12px;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .header-actions {
        width: 100%;
    }

    .header-actions .btn,
    .header-actions a.btn {
        flex: 1;
        text-align: center;
    }
}