/* Uptime Monitor - minimal hand-written CSS, no framework. */

:root {
    --color-bg: #f6f7f9;
    --color-surface: #ffffff;
    --color-surface-alt: #fafbfc;
    --color-border: #e5e7eb;
    --color-border-soft: #eef0f2;
    --color-text: #1f2328;
    --color-muted: #6b7280;
    --color-muted-soft: #9ca3af;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-danger: #dc2626;
    --color-danger-bg: #fef2f2;
    --color-success: #16a34a;
    --color-success-bg: #f0fdf4;
    --color-warning: #d97706;
    --color-pending: #6b7280;
    --radius: 8px;
    --radius-sm: 6px;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
    --shadow-md: 0 2px 8px rgba(16, 24, 40, 0.06);
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { margin: 0 0 0.5em; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 1.55rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }

p { margin: 0 0 1em; }

/* ---------------------------------------------------------------------- */
/* Top bar                                                                 */
/* ---------------------------------------------------------------------- */
.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.05rem; color: var(--color-text); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.main-nav { display: flex; gap: 1.5rem; flex: 1; flex-wrap: wrap; }
.main-nav a { color: var(--color-muted); font-weight: 500; font-size: 0.92rem; padding: 0.25rem 0; }
.main-nav a:hover { color: var(--color-text); text-decoration: none; }
.logout-form { display: flex; align-items: center; gap: 0.75rem; margin: 0; }
.current-user { color: var(--color-muted); font-size: 0.85rem; }

/* ---------------------------------------------------------------------- */
/* Page layout                                                            */
/* ---------------------------------------------------------------------- */
.page {
    max-width: 1140px;
    margin: 0 auto;
    padding: var(--space-6) 1.5rem 4rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

/* Alerts */
.alert {
    padding: 0.8rem 1.1rem;
    border-radius: var(--radius);
    margin-bottom: var(--space-5);
    font-size: 0.9rem;
}
.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #bbf7d0; }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid #fecaca; }

/* Cards / surfaces */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space-5);
}

/* ---------------------------------------------------------------------- */
/* Stat grid (dashboard)                                                  */
/* ---------------------------------------------------------------------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}
.stat-tile {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
    box-shadow: var(--shadow);
}
.stat-tile .stat-value { font-size: 1.9rem; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.stat-tile .stat-label { color: var(--color-muted); font-size: 0.82rem; margin-top: 0.35rem; font-weight: 500; }
.stat-tile.stat-up .stat-value { color: var(--color-success); }
.stat-tile.stat-down .stat-value { color: var(--color-danger); }
.stat-tile.stat-incidents .stat-value { color: var(--color-warning); }

/* ---------------------------------------------------------------------- */
/* Tables                                                                 */
/* ---------------------------------------------------------------------- */
.table-wrapper {
    overflow-x: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
table { width: 100%; border-collapse: collapse; font-size: 0.89rem; }
th, td {
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border-soft);
    white-space: nowrap;
    vertical-align: middle;
}
th {
    color: var(--color-muted);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--color-surface-alt); }
td.wrap, th.wrap { white-space: normal; }
td.url-cell {
    white-space: normal;
    max-width: 320px;
    overflow-wrap: anywhere;
    color: var(--color-muted);
    font-size: 0.85rem;
}

/* Row that only carries a details/test-result panel under a data row -
   no padding/border of its own so it reads as part of the row above it. */
.row-detail-cell { padding: 0 !important; border: none !important; }
.row-detail-cell > * { margin: 0 1rem 1rem !important; }

/* Badges */
.badge {
    display: inline-block;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.03em;
}
.badge-up { background: var(--color-success-bg); color: var(--color-success); }
.badge-down { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-pending { background: #f3f4f6; color: var(--color-pending); }
.badge-disabled { background: #f3f4f6; color: var(--color-muted); }
.badge-open { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-resolved { background: var(--color-success-bg); color: var(--color-success); }

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.87rem;
    font-weight: 500;
    cursor: pointer;
    line-height: 1.2;
    transition: background-color 0.12s ease, border-color 0.12s ease;
}
.btn:hover { background: var(--color-surface-alt); text-decoration: none; border-color: #d7dbe0; }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-danger { color: var(--color-danger); border-color: #f3c6c6; }
.btn-danger:hover { background: var(--color-danger-bg); border-color: #f0a8a8; }
.btn-sm { padding: 0.32rem 0.7rem; font-size: 0.8rem; }
.btn-block { width: 100%; }
.link-button { background: none; border: none; color: var(--color-muted); cursor: pointer; font-size: 0.85rem; padding: 0; }
.link-button:hover { color: var(--color-text); text-decoration: underline; }

/* Action group inside a table cell - forms are flex items directly, no
   inline styles needed on them to sit next to each other cleanly. */
.actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.actions form { margin: 0; }

/* ---------------------------------------------------------------------- */
/* Forms                                                                  */
/* ---------------------------------------------------------------------- */
form.form-card { max-width: 640px; }
label { display: block; font-weight: 600; font-size: 0.83rem; margin: 1.1rem 0 0.4rem; }
label:first-of-type { margin-top: 0; }
input[type="text"], input[type="url"], input[type="password"], input[type="number"], select, textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: #fff;
    color: var(--color-text);
    font-family: inherit;
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.field-hint { color: var(--color-muted); font-size: 0.8rem; margin-top: 0.35rem; }
.field-error { color: var(--color-danger); font-size: 0.8rem; margin-top: 0.35rem; }
.checkbox-row { display: flex; align-items: center; gap: 0.55rem; margin-top: 1.1rem; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; font-weight: 500; }
.checkbox-list { display: flex; flex-direction: column; gap: 0.55rem; margin-top: 0.5rem; }
.checkbox-list-item { display: flex; align-items: center; gap: 0.55rem; }
.checkbox-list-item input { width: auto; }
.form-row { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 180px; }
.form-actions { margin-top: 1.75rem; display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }

/* ---------------------------------------------------------------------- */
/* Auth page                                                              */
/* ---------------------------------------------------------------------- */
.auth-wrapper { display: flex; justify-content: center; align-items: center; min-height: 80vh; padding: 1.5rem; }
.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 2.25rem;
    width: 100%;
    max-width: 370px;
}
.auth-subtitle { color: var(--color-muted); font-size: 0.9rem; margin-top: -0.3rem; }

/* ---------------------------------------------------------------------- */
/* Test result panel                                                      */
/* ---------------------------------------------------------------------- */
.test-result {
    padding: 1rem 1.1rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-surface-alt);
    font-size: 0.87rem;
}
.test-result dl { display: grid; grid-template-columns: 160px 1fr; gap: 0.4rem 1rem; margin: 0; }
.test-result dt { color: var(--color-muted); }
.test-result dd { margin: 0; }
.test-result.result-up { border-color: #bbf7d0; background: var(--color-success-bg); }
.test-result.result-down { border-color: #fecaca; background: var(--color-danger-bg); }

.empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--color-muted);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.section-title-row { display: flex; justify-content: space-between; align-items: center; margin: 2.25rem 0 0.85rem; }
.muted { color: var(--color-muted); font-size: 0.85rem; }
.mt-lg { margin-top: 1.75rem; }
.token-mask { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.08em; color: var(--color-muted); }

@media (max-width: 720px) {
    .page { padding: var(--space-5) 1rem 3rem; }
    .topbar-inner { padding: 0.75rem 1rem; }
}

@media (max-width: 640px) {
    .topbar-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .logout-form { width: 100%; justify-content: space-between; }
    th, td { padding: 0.6rem 0.7rem; }
    .page-header { align-items: flex-start; flex-direction: column; }
}