:root {
    --bg: #0b1020;
    --sidebar: #0c1428;
    --card: #ffffff;
    --surface: #f0f4fa;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #dbeafe;
    --accent: #06b6d4;
    --danger: #dc2626;
    --warning: #d97706;
    --success: #059669;
    --text: #182034;
    --muted: #5f6b85;
    --border: #dbe2ef;
    --radius: 14px;
    --radius-lg: 20px;
    --shadow: 0 8px 30px rgba(15, 23, 42, 0.07);
    --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.10);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "SF Pro Display", "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    color: var(--text);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
}

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

/* ===== Layout ===== */
.layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 260px 1fr;
}

/* ===== Sidebar ===== */
.sidebar {
    background: linear-gradient(180deg, #080f1e 0%, #0f1b36 50%, #0e1a34 100%);
    color: #eef3ff;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    border-right: 1px solid rgba(255,255,255,0.04);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 4px 4px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: #fff;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

.brand h1 { margin: 0; font-size: 20px; font-weight: 700; }
.brand p { margin: 4px 0 0; font-size: 11px; color: #7a8eb8; letter-spacing: 0.06em; text-transform: uppercase; }

.nav {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex: 1;
    overflow-y: auto;
}

.nav a {
    padding: 10px 14px;
    border-radius: 10px;
    color: #b4c6e7;
    font-size: 14px;
    font-weight: 500;
    transition: all .15s;
}

.nav a:hover { background: rgba(37, 99, 235, 0.15); color: #e0eaff; }
.nav a.active { background: rgba(37, 99, 235, 0.28); color: #ffffff; font-weight: 600; }

.sidebar-footer {
    margin-top: auto;
    display: grid;
    gap: 8px;
    padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.pill {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 11px;
    color: #8da0c8;
    letter-spacing: 0.02em;
}

/* ===== Main content ===== */
.content {
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 100%;
    overflow-x: hidden;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 16px;
}

.header-actions { display: flex; align-items: center; gap: 12px; }

.page-header h2 { margin: 0; font-size: 26px; font-weight: 700; }

.eyebrow {
    margin: 0 0 4px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 11px;
}

.header-badges {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-size: 13px;
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 8px 14px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 14px;
}

.user-chip strong { display: block; font-size: 14px; }
.user-chip p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.user-chip a { color: var(--primary); font-weight: 700; }

.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-ok { background: var(--success); box-shadow: 0 0 8px rgba(5, 150, 105, 0.5); }

/* ===== Cards & Grid ===== */
.card-grid { display: grid; gap: 16px; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card-grid.five { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.two, .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); display: grid; gap: 16px; }
.stack-section { display: grid; gap: 16px; }

.card {
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: box-shadow .2s;
}

.card:hover { box-shadow: var(--shadow-lg); }

.metric-card h3, .big-number { margin: 8px 0 4px; font-size: 32px; font-weight: 800; letter-spacing: -0.02em; }

.metric-label {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.metric-card span, .helper-text, .list-item p, .alarm-item p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}

.card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.card-title-row h3 { margin: 0; font-weight: 700; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.badge.warning { background: #ffedd5; color: var(--warning); }
.badge.danger { background: #fee2e2; color: var(--danger); }

/* ===== Highlight card (KPI) ===== */
.highlight-card {
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    border: 1px solid #c7dbf5;
}

/* ===== Data tables ===== */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td { padding: 11px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.data-table th { color: var(--muted); font-weight: 700; background: #f8fbff; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.data-table.compact th, .data-table.compact td { padding: 9px 8px; }

/* ===== Lists ===== */
.list-stack { display: grid; gap: 10px; }
.list-item, .alarm-item {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    transition: border-color .15s;
}
.list-item:hover, .alarm-item:hover { border-color: var(--primary-soft); }

.reading-box { min-width: 92px; text-align: right; }
.reading-box span { display: block; font-weight: 800; font-size: 20px; }
.reading-box small { color: var(--muted); }

/* ===== Severity & Status ===== */
.severity { padding: 5px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.severity-high { background: #fee2e2; color: var(--danger); }
.severity-medium { background: #ffedd5; color: var(--warning); }
.severity-low { background: #dcfce7; color: var(--success); }

.status-text.draft, .status-text.inactive { color: var(--muted); }
.status-text.warning, .status-text.attention, .status-text.acknowledged, .status-text.executing, .status-text.review, .status-text.testing, .status-text.in_progress, .status-text.pending, .status-text.open, .status-text.issued, .status-text.work_ordered, .status-text.accepted, .status-text.implemented { color: var(--warning); }
.status-text.normal, .status-text.active, .status-text.approved, .status-text.submitted, .status-text.released, .status-text.closed, .status-text.running, .status-text.complete, .status-text.completed, .status-text.pass, .status-text.startup_confirmed { color: var(--success); }
.status-text.defect, .status-text.rejected, .status-text.cancelled, .status-text.blocked, .status-text.fail, .status-text.critical { color: var(--danger); }

/* ===== Execution center ===== */
.execution-run-card {
    display: grid;
    gap: 18px;
}

.execution-status-group {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.execution-meta-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.meta-chip {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
    background: #f8fbff;
    display: grid;
    gap: 6px;
}

.meta-chip strong {
    font-size: 12px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-chip span {
    font-size: 14px;
    line-height: 1.5;
}

.execution-blocker {
    padding: 12px 14px;
    border-radius: 12px;
    background: #fff1f2;
    border: 1px solid #fecdd3;
    color: #be123c;
    font-size: 14px;
    line-height: 1.6;
}

.execution-step-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.execution-step {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px;
    background: #ffffff;
    display: grid;
    gap: 8px;
}

.execution-step.current {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.35);
}

.execution-step.complete {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.execution-step.in_progress,
.execution-step.pending {
    background: #fffaf0;
    border-color: #fed7aa;
}

.execution-step.blocked {
    background: #fff1f2;
    border-color: #fecdd3;
}

.execution-step-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
}

.handover-close-form {
    margin-top: 8px;
}

/* ===== Feature list ===== */
.feature-list { margin: 0; padding-left: 18px; display: grid; gap: 8px; color: var(--text); font-size: 14px; line-height: 1.7; }

/* ===== Stat pair ===== */
.stat-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.empty-state { color: var(--muted); }

/* ===== Forms ===== */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.form-grid input, .form-grid select, .form-grid textarea, .form-grid button { font: inherit; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; background: #ffffff; transition: border-color .15s; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-grid textarea { min-height: 92px; resize: vertical; }
.full-width { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; }
.form-grid button { border: 0; border-radius: 10px; padding: 11px 18px; background: var(--primary); color: #ffffff; font-weight: 700; cursor: pointer; transition: background .15s; }
.form-grid button:hover { background: var(--primary-dark); }

.inline-form { display: grid; gap: 8px; }
.inline-form input, .inline-form select { width: 100%; border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; background: #ffffff; font: inherit; }
.inline-form button { border: 0; border-radius: 10px; padding: 9px 12px; background: var(--primary); color: #ffffff; font: inherit; font-weight: 700; cursor: pointer; }
.inline-form .secondary-button { background: #475569; }

.inline-form-wide { min-width: 220px; }

/* ===== Action stack ===== */
.action-stack { display: grid; gap: 12px; align-content: start; }
.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    padding: 9px 14px;
    border-radius: 10px;
    background: var(--primary);
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 13px;
    transition: background .15s;
}
.button-link:hover { background: var(--primary-dark); }

/* ===== Error box ===== */
.error-box {
    margin-bottom: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #fee2e2;
    color: var(--danger);
    border: 1px solid #fecaca;
    font-size: 14px;
}

.notice-box {
    margin-bottom: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #dcfce7;
    color: #14532d;
    border: 1px solid #bbf7d0;
    font-size: 14px;
}

.user-chip-link { margin-right: 8px; font-weight: 500 !important; color: var(--muted) !important; font-size: 12px; }

.cockpit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 18px; }
.cockpit-card { background: var(--card); border-radius: var(--radius-lg); padding: 18px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.cockpit-card h3 { margin: 0 0 12px; font-size: 15px; color: var(--muted); letter-spacing: 0.8px; text-transform: uppercase; }
.cockpit-metric-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.cockpit-metric { background: var(--surface); padding: 12px; border-radius: 12px; }
.cockpit-metric .metric-label { font-size: 12px; color: var(--muted); }
.cockpit-metric .metric-value { font-size: 20px; font-weight: 700; color: var(--text); }
.cockpit-metric .metric-unit { font-size: 12px; color: var(--muted); margin-left: 4px; }

.sla-list { display: grid; gap: 8px; }
.sla-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border-radius: 10px; background: #fff7ed; border: 1px solid #fed7aa; }
.sla-row strong { color: #9a3412; }
.sla-row .sla-meta { font-size: 12px; color: var(--muted); }
.sla-chip { display: inline-block; background: #fca5a5; color: #7f1d1d; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; }

.role-pill { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--primary-soft); color: var(--primary-dark); font-size: 12px; font-weight: 600; }
.inactive-pill { display: inline-block; padding: 2px 10px; border-radius: 999px; background: #f1f5f9; color: var(--muted); font-size: 12px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table thead th { text-align: left; padding: 10px 8px; color: var(--muted); border-bottom: 1px solid var(--border); font-weight: 500; }
.data-table tbody td { padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.data-table tbody tr:last-child td { border-bottom: none; }

.inline-form { display: inline-flex; gap: 6px; align-items: center; }
.inline-form input, .inline-form select { padding: 6px 8px; border-radius: 8px; border: 1px solid var(--border); font-size: 13px; }
.inline-form button { padding: 6px 12px; }

/* ===== Layer 7 · 治理延伸：参数/通知/Token ===== */
.settings-table input[type="text"],
.settings-table input[type="number"],
.settings-table input[type="password"] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font: inherit;
    background: #ffffff;
}
.settings-table .muted { color: var(--muted); font-size: 12px; }
.settings-table .switch { display: inline-flex; gap: 8px; align-items: center; }
.settings-table .switch input[type="checkbox"] { width: 18px; height: 18px; }

.stacked-form { display: flex; flex-direction: column; gap: 14px; }
.stacked-form label { display: grid; gap: 6px; font-weight: 600; font-size: 13px; color: var(--muted); }
.stacked-form input, .stacked-form textarea, .stacked-form select {
    border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; font: inherit; background: #ffffff;
}

.form-grid.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid.two label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--muted); }

.form-actions { display: flex; gap: 12px; align-items: center; margin-top: 6px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 16px; border-radius: 10px; border: 0;
    font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; color: #fff;
}
.btn.primary { background: var(--primary); }
.btn.primary:hover { background: var(--primary-dark); }
.btn.secondary { background: #475569; }
.btn.secondary:hover { background: #334155; }
.btn.tiny { padding: 5px 10px; font-size: 12px; border-radius: 6px; }

.checkbox-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.checkbox-item { display: flex; gap: 10px; align-items: flex-start; padding: 10px; border: 1px solid var(--border); border-radius: 10px; background: #f8fafc; }
.checkbox-item input[type="checkbox"] { margin-top: 3px; }

.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ===== Login Page ===== */
.login-body {
    min-height: 100vh;
    background: linear-gradient(135deg, #080f1e 0%, #0f1d3d 48%, #f0f4fa 48%, #f0f4fa 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-shell {
    width: min(1120px, 100%);
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 0;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.25);
}

.login-panel {
    padding: 40px 36px;
}

.login-panel.intro {
    background: linear-gradient(170deg, #0a1225 0%, #12254a 60%, #162d58 100%);
    color: #eef3ff;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.login-panel.form-panel {
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.login-logo-mark {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    color: #fff;
    flex-shrink: 0;
}

.login-brand h1 { margin: 0; font-size: 24px; }
.login-brand .eyebrow { color: #6b8fd4; margin-bottom: 2px; }

.login-hero-divider {
    height: 1px;
    background: linear-gradient(90deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.03) 100%);
}

.login-panel.intro .feature-list { color: #b8ccf0; }
.login-panel.intro .feature-list li { font-size: 14px; }

.login-footer-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.login-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.18);
    border: 1px solid rgba(37, 99, 235, 0.28);
    color: #8bb4f0;
    font-size: 12px;
    font-weight: 600;
}

.login-copyright {
    margin: 0;
    margin-top: auto;
    font-size: 12px;
    color: #4a6494;
}

.login-panel h2 { margin: 0 0 4px; font-size: 22px; font-weight: 700; }
.login-panel .helper-text { margin: 0 0 20px; }

.login-form { display: grid; gap: 16px; }
.login-form label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; font-weight: 600; }
.login-form input, .login-form button { font: inherit; }
.login-form input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    transition: border-color .15s;
}
.login-form input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.login-form button {
    margin-top: 8px;
    border: 0;
    border-radius: 10px;
    padding: 13px 18px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: opacity .15s;
    letter-spacing: 0.1em;
}
.login-form button:hover { opacity: 0.92; }

.login-version {
    margin: 18px 0 0;
    text-align: center;
    font-size: 12px;
    color: var(--muted);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .card-grid.four, .card-grid.five, .card-grid.three, .card-grid.two, .content-grid { grid-template-columns: 1fr; }
    .execution-step-grid, .execution-meta-row { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .layout { grid-template-columns: 1fr; }
    .login-shell { grid-template-columns: 1fr; }
    .sidebar { position: sticky; top: 0; z-index: 10; }
    .form-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: start; }
    .header-actions { flex-direction: column; align-items: start; }
}