@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --bg-base: #0B1120;
    --bg-surface: #121B2E;
    --bg-surface-2: #182238;
    --border: #232E45;
    --text-primary: #E7ECF5;
    --text-muted: #8B96AC;
    --accent-up: #2DD4BF;
    --accent-up-dim: rgba(45, 212, 191, 0.12);
    --accent-down: #FB7185;
    --accent-down-dim: rgba(251, 113, 133, 0.12);
    --accent-warn: #F59E0B;
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

body {
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

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

/* ---------- Top nav ---------- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}
.brand-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-up);
    position: relative;
    flex-shrink: 0;
}
.brand-dot::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 1.5px solid var(--accent-up);
    animation: pulse-ring 2.2s ease-out infinite;
}
nav.links { display: flex; gap: 4px; }
nav.links a {
    color: var(--text-muted);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: background 0.15s ease, color 0.15s ease;
}
nav.links a:hover { color: var(--text-primary); background: var(--bg-surface-2); text-decoration: none; }
nav.links a.active { color: var(--text-primary); background: var(--bg-surface-2); }

.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

h1 {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 4px;
}
h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 40px 0 16px;
}
.subtitle { color: var(--text-muted); font-size: 0.95rem; margin: 0 0 28px; }

/* ---------- KPI stat cards ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 8px;
}
.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
}
.stat-value {
    font-family: var(--font-mono);
    font-size: 1.7rem;
    font-weight: 500;
    line-height: 1;
}
.stat-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.stat-card.up .stat-value { color: var(--accent-up); }
.stat-card.down .stat-value { color: var(--accent-down); }

@media (max-width: 720px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    /* Topbar: brand ve menu dar ekranda yan yana sigmiyordu, alt alta al ve menu'yu sar */
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 14px 18px;
    }
    nav.links { flex-wrap: wrap; gap: 4px; }
    nav.links a { padding: 6px 10px; font-size: 0.85rem; }

    .page { padding: 20px 16px 48px; }
    h1 { font-size: 1.5rem; }

    /* Site listesi / uptime history tablosu 8 kolona kadar cikabiliyor,
       dar ekranda tum sayfayi degil sadece tabloyu yatay kaydir.
       (display:block hack'i - thead/tbody kendi table iç yerlesimini korur) */
    table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }
    th, td { padding: 10px 12px; font-size: 0.85rem; }

    .form-card { padding: 20px; max-width: 100%; }
}


/* ---------- Site table ---------- */
table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 4px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}
th, td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.92rem;
}
tr:last-child td { border-bottom: none; }
th {
    background: var(--bg-surface-2);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
td.mono, td:has(.ms-value) { font-family: var(--font-mono); }
.ms-value { font-family: var(--font-mono); color: var(--text-muted); }

/* ---------- Status pulse ---------- */
.status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.88rem;
}
.status-up { color: var(--accent-up); }
.status-down { color: var(--accent-down); }
.status-unknown { color: var(--accent-warn); font-weight: 500; }

.dot { width: 8px; height: 8px; border-radius: 50%; position: relative; flex-shrink: 0; }
.dot.up { background: var(--accent-up); }
.dot.up::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 1.5px solid var(--accent-up);
    animation: pulse-ring 1.8s ease-out infinite;
}
.dot.down { background: var(--accent-down); }

@keyframes pulse-ring {
    0% { transform: scale(0.6); opacity: 0.9; }
    70% { transform: scale(1.5); opacity: 0; }
    100% { transform: scale(1.5); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .dot.up::after, .brand-dot::after { animation: none; }
}

/* ---------- Forms ---------- */
.form-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    max-width: 420px;
}
.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}
input[type=text], input[type=email], input[type=password] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
}
input:focus { outline: none; border-color: var(--accent-up); }

button, .btn {
    background: var(--accent-up);
    color: #06201C;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    font-family: var(--font-body);
}
button:hover { filter: brightness(1.08); }

.error-msg {
    background: var(--accent-down-dim);
    color: var(--accent-down);
    border: 1px solid var(--accent-down);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 18px;
}

/* ---------- Login page ---------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-card {
    width: 100%;
    max-width: 360px;
}
.login-card .brand { justify-content: center; margin-bottom: 24px; font-size: 1.3rem; }

/* ---------- Alerts ---------- */
tr.unread td { font-weight: 600; }
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 100px;
    font-size: 0.76rem;
    font-weight: 600;
}
.badge.new { background: var(--accent-warn); color: #241A02; }
.badge.read { background: var(--bg-surface-2); color: var(--text-muted); }

.back-link { display: inline-block; margin-bottom: 20px; font-size: 0.9rem; color: var(--text-muted); }
.back-link:hover { color: var(--text-primary); }

/* ---------- Form error (site-ekle/duzenle) ---------- */
.form-error {
    background: var(--accent-down-dim);
    color: var(--accent-down);
    border: 1px solid var(--accent-down);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 18px;
}

/* ---------- Sil linki (index.php) ---------- */
.danger-link { color: var(--accent-down); }
.danger-link:hover { color: var(--accent-down); text-decoration: underline; }