:root {
    --bg-body: #f5f7fb;
    --sidebar-bg: #040c1c;
    --sidebar-border: #0f1b36;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #6b7280;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #22c55e;
    --danger: #ef4444;
    --muted: #94a3b8;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.layout {
    min-height: 100vh;
    display: flex;
}

.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    color: #fff;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--sidebar-border);
}

.sidebar-logo {
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 24px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-section {
    margin-top: 24px;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
}

.sidebar-link {
    padding: 10px 12px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: rgba(37, 99, 235, 0.2);
    color: #fff;
}

.logout-link {
    margin-top: 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
}

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-body);
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    background: var(--card-bg);
    border-bottom: 1px solid #e5e7eb;
}

.topbar-public {
    background: transparent;
    border-bottom: none;
}

.topbar-info p {
    margin: 0;
    font-weight: 600;
}

.topbar-info small {
    color: var(--text-secondary);
}

.role-tag {
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--muted);
    margin-left: 8px;
}

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

.ghost-button {
    border: 1px solid #dbeafe;
    padding: 8px 14px;
    border-radius: 10px;
    color: var(--primary);
    font-weight: 600;
    background: #f8fbff;
}

.ghost-button:hover {
    background: #eef4ff;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.chip-plan {
    background: #e0ecff;
    color: var(--primary);
}

.chip-live {
    background: #dcfce7;
    color: var(--success);
}

.container {
    flex: 1;
    padding: 32px;
}

.container-public {
    max-width: 420px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    border-radius: 18px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 20px 35px rgba(15, 23, 42, 0.08);
}

.card h2,
.card h3 {
    margin-top: 0;
}

.card-head h2 {
    margin: 0;
}

.card-head p,
.card p {
    margin: 6px 0 0;
    color: var(--text-secondary);
}

.card-grid {
    display: grid;
    gap: 20px;
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stats-card {
    padding: 18px;
    border-radius: 18px;
    background: #eef2ff;
}

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

.stats-card small {
    color: var(--text-secondary);
}

.chart-card canvas {
    width: 100%;
    max-height: 320px;
}

.ip-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.ip-card {
    border-radius: 18px;
    background: var(--card-bg);
    padding: 20px;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ip-card[data-href] {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ip-card[data-href]:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(37, 99, 235, 0.15);
}

.ip-card.online {
    border-color: rgba(34, 197, 94, 0.35);
}

.ip-card.offline {
    border-color: rgba(239, 68, 68, 0.35);
}

.ip-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ip-card-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.ip-card-stats div {
    flex: 1;
    min-width: 90px;
}

.ip-card-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.badge {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    border: 1px solid #e5e7eb;
    color: var(--text-secondary);
    background: #f1f5f9;
}

.status-online {
    color: var(--success);
}

.status-offline {
    color: var(--danger);
}

.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}

.primary-button:hover {
    background: var(--primary-hover);
}

.alert-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.alert-preview-card {
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 14px;
    background: #f8fafc;
}

.alert-preview-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.alert-type {
    letter-spacing: 0.08em;
}

.alert-status {
    padding: 2px 10px;
    border-radius: 999px;
    font-weight: 600;
}

.alert-status.ok {
    background: #dcfce7;
    color: var(--success);
}

.alert-status.fail {
    background: #fee2e2;
    color: var(--danger);
}

.alert-target {
    margin: 0 0 4px;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
}

.alert-date {
    color: var(--text-secondary);
}

.alert-error {
    margin: 8px 0 0;
    font-size: 0.85rem;
    color: var(--danger);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 0.95rem;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

tr:hover td {
    background: #f8fafc;
}

input, select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #dbe2ef;
    background: #fff;
    margin-bottom: 12px;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

button {
    padding: 10px 16px;
    border-radius: 12px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}

button:hover {
    background: var(--primary-hover);
}

.settings-wrapper {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.settings-hero {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.settings-hero-text h2 {
    margin-bottom: 4px;
}

.settings-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    color: var(--muted);
    margin: 0 0 6px;
}

.settings-hero-status {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.settings-status {
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 12px 18px;
    min-width: 160px;
    background: #f8fafc;
}

.settings-status span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.settings-status strong {
    font-size: 1.1rem;
}

.settings-status.ok {
    border-color: rgba(34, 197, 94, 0.4);
    color: var(--success);
}

.settings-status.warn {
    border-color: rgba(239, 68, 68, 0.4);
    color: var(--danger);
}

.settings-flash {
    border-radius: 14px;
    padding: 14px 18px;
    font-weight: 600;
}

.settings-flash.success {
    background: #dcfce7;
    color: var(--success);
}

.settings-flash.error {
    background: #fee2e2;
    color: var(--danger);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.form-card,
.test-card {
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 18px;
    background: #fff;
    display: flex;
    flex-direction: column;
}

.form-card-head h4 {
    margin: 0;
}

.form-card-head p {
    margin: 4px 0 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hint {
    margin: 0 0 12px;
    font-size: 0.85rem;
    color: var(--muted);
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px;
    border: 1px dashed #cbd5f5;
    border-radius: 16px;
    background: #f8fafc;
}

.muted-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.settings-tests {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

.test-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.inline-feedback {
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.inline-feedback.success {
    background: #dcfce7;
    color: var(--success);
}

.inline-feedback.error {
    background: #fee2e2;
    color: var(--danger);
}

.settings-tests button {
    align-self: flex-start;
}

.footer {
    padding: 16px 32px;
    text-align: center;
    color: var(--text-secondary);
    background: transparent;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.status-pill {
    padding: 10px 18px;
    border-radius: 999px;
    font-weight: 600;
    background: #f1f5f9;
    color: var(--text-secondary);
    min-width: 140px;
    text-align: center;
}

.status-pill.online {
    background: #d1fae5;
    color: var(--success);
    animation: status-pulse 1.5s ease-in-out infinite;
}

.status-pill.offline {
    background: #fee2e2;
    color: var(--danger);
}

@keyframes status-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.35);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(34, 197, 94, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.metric-card {
    padding: 18px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px solid #dbe1f1;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.metric-card strong {
    display: block;
    font-size: 1.5rem;
}

.metric-card p {
    margin: 6px 0 0;
}

.metric-label {
    display: block;
    margin-bottom: 4px;
    text-transform: uppercase;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    font-weight: 600;
    color: var(--text-secondary);
}

.heatmap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.heatmap-cell {
    border-radius: 10px;
    padding: 10px;
    text-align: center;
    font-size: 0.8rem;
    border: 1px solid #e5e7eb;
}

.heatmap-cell strong {
    display: block;
}

.heatmap-cell small {
    color: var(--text-secondary);
}

.heatmap-cell.good {
    background: #dcfce7;
    color: var(--success);
}

.heatmap-cell.medium {
    background: #fef9c3;
    color: #ca8a04;
}

.heatmap-cell.bad {
    background: #fee2e2;
    color: var(--danger);
}

.detail-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.back-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 12px;
}

.detail-chart-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.detail-chart-tabs button {
    background: #e2e8f0;
    color: var(--text-primary);
}

.detail-chart-tabs button.active {
    background: var(--primary);
    color: #fff;
}

@media (max-width: 900px) {
    .layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
    }

    .sidebar-footer {
        margin-top: 16px;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .topbar-actions {
        flex-wrap: wrap;
    }
}