/* ============================================================
   AdBanner Network — Ops Console visual system
   Palette:  bg #0B0E14 / panel #131720 / line #1F2530
             text #E6EAF0 / muted #8A93A6
             signal-good #00E28A / signal-warn #FFB020 / signal-bad #FF4D6D
   Type:     display "Space Grotesk", body "Inter", data "JetBrains Mono"
   ============================================================ */

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

:root {
    --bg: #0B0E14;
    --panel: #131720;
    --panel-2: #171C26;
    --line: #1F2530;
    --text: #E6EAF0;
    --muted: #8A93A6;
    --good: #00E28A;
    --warn: #FFB020;
    --bad: #FF4D6D;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3, .brand {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.mono, .stat-value, td.num {
    font-family: 'JetBrains Mono', monospace;
}

a { color: inherit; }

/* --- Shell layout --- */
.shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--panel);
    border-right: 1px solid var(--line);
    padding: 24px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar .brand {
    font-size: 18px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.signal-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--good);
    box-shadow: 0 0 0 0 rgba(0, 226, 138, 0.6);
    animation: pulse 2s infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(0, 226, 138, 0.55); }
    70%  { box-shadow: 0 0 0 8px rgba(0, 226, 138, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 226, 138, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .signal-dot { animation: none; }
}

.nav-link {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius);
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 2px;
}

.nav-link:hover, .nav-link.active {
    background: var(--panel-2);
    color: var(--text);
}

.main {
    flex: 1;
    padding: 28px 32px 60px;
    min-width: 0;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

/* --- Cards / stats --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 20px;
}

.stat-label {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 26px;
    font-weight: 600;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.panel h3 { margin-top: 0; font-size: 15px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }

.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}
.badge-good { background: rgba(0,226,138,0.12); color: var(--good); }
.badge-warn { background: rgba(255,176,32,0.12); color: var(--warn); }
.badge-bad  { background: rgba(255,77,109,0.12); color: var(--bad); }

.btn {
    display: inline-block;
    padding: 9px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--panel-2);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { border-color: var(--good); }
.btn-primary { background: var(--good); color: #05130D; border-color: var(--good); font-weight: 600; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-danger { color: var(--bad); }

form.inline { display: inline; }

input, select {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 12px;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    margin-bottom: 14px;
}
input:focus, select:focus, .btn:focus, a:focus {
    outline: 2px solid var(--good);
    outline-offset: 2px;
}
label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 6px; }

/* --- Auth pages --- */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 32px;
}
.auth-card h1 { font-size: 20px; margin-bottom: 4px; }
.auth-card p.sub { color: var(--muted); font-size: 13px; margin-top: 0; margin-bottom: 24px; }
.error-box {
    background: rgba(255,77,109,0.1);
    border: 1px solid rgba(255,77,109,0.3);
    color: var(--bad);
    padding: 10px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 14px;
    display: none;
}

/* --- Responsive --- */
@media (max-width: 860px) {
    .shell { flex-direction: column; }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 16px;
    }
    .sidebar .nav { display: flex; gap: 4px; }
    .sidebar .brand { margin-bottom: 0; }
    .main { padding: 20px 16px 40px; }
}