:root {
    --bg: #07111f;
    --panel: rgba(10, 24, 43, 0.88);
    --panel-2: rgba(15, 36, 63, 0.92);
    --line: rgba(125, 195, 255, 0.12);
    --text: #e7f4ff;
    --muted: #8eabc5;
    --primary: #39b8ff;
    --primary-strong: #0b7ddb;
    --success: #28d39a;
    --warning: #ffb648;
    --danger: #ff6b81;
    --shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
    --radius: 18px;
    --font: "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    background:
        radial-gradient(circle at top left, rgba(57, 184, 255, 0.18), transparent 28%),
        radial-gradient(circle at bottom right, rgba(16, 92, 180, 0.22), transparent 24%),
        var(--bg);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.sidebar {
    padding: 24px;
    background: rgba(2, 10, 19, 0.74);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 24px;
    backdrop-filter: blur(18px);
}

.brand,
.login-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand strong,
.login-brand strong {
    display: block;
    font-size: 1.05rem;
}

.brand span,
.login-brand span,
.eyebrow,
.sidebar-footer span,
.muted,
.panel p,
.login-card p,
small {
    color: var(--muted);
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), #7fe7ff);
    color: #04111d;
}

.sidebar-nav {
    display: grid;
    gap: 8px;
}

.sidebar-nav a {
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--muted);
}

.sidebar-nav a.active,
.sidebar-nav a:hover {
    background: rgba(57, 184, 255, 0.12);
    color: var(--text);
}

.sidebar-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.main-content {
    padding: 32px;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1,
.panel h2,
.login-card h1 {
    margin: 4px 0 0;
}

.panel,
.stat-card,
.login-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.panel {
    padding: 22px;
    margin-bottom: 20px;
}

.panel-head,
.action-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

.stat-card {
    padding: 20px;
}

.stat-card span {
    color: var(--muted);
    display: block;
    margin-bottom: 10px;
}

.stat-card strong {
    font-size: 2rem;
}

.stack-form {
    display: grid;
    gap: 16px;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
}

label {
    display: grid;
    gap: 8px;
    font-size: 0.94rem;
    color: var(--muted);
}

input,
select,
textarea,
button {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--panel-2);
    color: var(--text);
}

.btn {
    border: 0;
    border-radius: 12px;
    padding: 11px 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-strong));
    color: #03101c;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
    border: 1px solid var(--line);
}

.btn-danger {
    background: rgba(255, 107, 129, 0.14);
    color: #ffc1ca;
    border: 1px solid rgba(255, 107, 129, 0.24);
}

.btn-small {
    padding: 8px 12px;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

.flash,
.result-box {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 18px;
}

.flash-success,
.result-box.success {
    background: rgba(40, 211, 154, 0.14);
    color: #9af2cf;
}

.flash-error,
.result-box.error {
    background: rgba(255, 107, 129, 0.14);
    color: #ffc5cd;
}

.result-box {
    background: rgba(255, 255, 255, 0.04);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    text-align: left;
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

th {
    color: #a9c6df;
    font-size: 0.86rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.truncate-cell {
    max-width: 220px;
    word-break: break-word;
}

.badge {
    display: inline-flex;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 0.82rem;
}

.badge-highest { background: rgba(40, 211, 154, 0.16); color: #9ff1d1; }
.badge-high { background: rgba(57, 184, 255, 0.16); color: #b4e6ff; }
.badge-medium { background: rgba(255, 182, 72, 0.16); color: #ffd497; }
.badge-low,
.badge-muted { background: rgba(255, 255, 255, 0.08); color: #d3e6f7; }
.badge-success { background: rgba(40, 211, 154, 0.16); color: #9ff1d1; }
.badge-info { background: rgba(57, 184, 255, 0.16); color: #b4e6ff; }

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

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}

.detail-grid span {
    display: block;
    font-size: 0.82rem;
    color: var(--muted);
    margin-bottom: 6px;
}

.json-box {
    white-space: pre-wrap;
    word-break: break-word;
    background: rgba(0, 0, 0, 0.18);
    padding: 16px;
    border-radius: 14px;
}

.empty-state {
    text-align: center;
    padding: 48px 22px;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(460px, 100%);
    padding: 28px;
}

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

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .main-content {
        padding: 22px;
    }
}