:root {
    --bg: #070a10;
    --panel: #0d1420;
    --panel-alt: #101a28;
    --border: #163244;
    --accent: #00d9ff;
    --accent-dim: #0a5f75;
    --text: #d6ecf5;
    --text-dim: #7f9bab;
    --danger: #ff4d6a;
    --danger-bg: #3a0d14;
    --ok: #35e0a1;
    --warn: #ffb347;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: radial-gradient(circle at 20% -10%, #0c1826 0%, var(--bg) 55%);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
}

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

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

.sidebar {
    width: 220px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    padding: 1.5rem 1rem;
    flex-shrink: 0;
}

.brand {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: .5px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: .5rem;
    text-shadow: 0 0 12px rgba(0,217,255,.5);
}

.nav a {
    display: block;
    padding: .6rem .8rem;
    margin-bottom: .3rem;
    border-radius: 8px;
    color: var(--text-dim);
    font-size: .9rem;
    border: 1px solid transparent;
}

.nav a:hover { color: var(--text); background: var(--panel-alt); text-decoration: none; }
.nav a.active {
    color: var(--accent);
    background: var(--panel-alt);
    border-color: var(--accent-dim);
    box-shadow: 0 0 12px rgba(0,217,255,.08) inset;
}

.main { flex: 1; padding: 2rem 2.5rem; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.8rem;
}

.topbar h1 { margin: 0; font-size: 1.4rem; font-weight: 600; }
.topbar .user { color: var(--text-dim); font-size: .85rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.8rem; }

.stat {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1.3rem;
    position: relative;
    overflow: hidden;
}
.stat::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent, rgba(0,217,255,.05), transparent);
}
.stat .label { color: var(--text-dim); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.stat .value { font-size: 1.7rem; font-weight: 700; color: var(--accent); margin-top: .3rem; }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.4rem;
    margin-bottom: 1.5rem;
}
.panel h2 { margin-top: 0; font-size: 1.05rem; color: var(--accent); }
.panel h3 { font-size: .95rem; color: var(--text); margin-bottom: .6rem; }

table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 600; text-transform: uppercase; font-size: .72rem; letter-spacing: .05em; }
tr:hover td { background: var(--panel-alt); }

.badge { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .72rem; font-weight: 600; }
.badge.ok { background: rgba(53,224,161,.12); color: var(--ok); }
.badge.off { background: rgba(127,155,171,.12); color: var(--text-dim); }
.badge.danger { background: rgba(255,77,106,.12); color: var(--danger); }

.btn {
    display: inline-block;
    padding: .5rem 1rem;
    background: var(--accent);
    color: #001018;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: .85rem;
    cursor: pointer;
}
.btn:hover { opacity: .9; text-decoration: none; }
.btn.secondary { background: var(--panel-alt); color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #5c1c26; }

input[type=text], input[type=password], input[type=url], input[type=number], select, textarea {
    width: 100%;
    padding: .55rem .7rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 7px;
    font-size: .88rem;
}
label { display: block; font-size: .78rem; color: var(--text-dim); margin: .8rem 0 .3rem; }

.tabs { display: flex; gap: .5rem; margin-bottom: 1.2rem; border-bottom: 1px solid var(--border); }
.tabs a { padding: .6rem .9rem; color: var(--text-dim); font-size: .88rem; border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--accent); border-color: var(--accent); }

.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1.2rem; font-size: .88rem; }
.flash.success { background: rgba(53,224,161,.1); color: var(--ok); border: 1px solid rgba(53,224,161,.3); }
.flash.error { background: var(--danger-bg); color: var(--danger); border: 1px solid #5c1c26; }

.copy-input { display: flex; gap: .4rem; position: relative; }
.copy-input input { flex: 1; cursor: pointer; }
.copy-input input.copied { border-color: var(--ok); color: var(--ok); }
.copy-feedback {
    position: absolute;
    top: -1.6rem;
    left: 0;
    background: var(--ok);
    color: #001812;
    font-size: .72rem;
    font-weight: 700;
    padding: .15rem .5rem;
    border-radius: 5px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s ease;
    z-index: 5;
}
.copy-feedback.show { opacity: 1; }

.code-copy { display: inline-flex; align-items: center; gap: .45rem; position: relative; }
.code-copy .code-text { font-family: 'Consolas', monospace; color: var(--text); }
.copy-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-dim);
    cursor: pointer;
    flex-shrink: 0;
}
.copy-icon-btn:hover { color: var(--accent); border-color: var(--accent-dim); }
.copy-icon-btn.copied { color: var(--ok); border-color: var(--ok); }

.text-dim { color: var(--text-dim); }
.mono { font-family: 'Consolas', monospace; }