/* =====================================================================
   DomainundSpeicher CP — Design-Tokens
   Leitidee: Ein Netzwerk-Operations-Panel, kein generisches SaaS-Dashboard.
   Technische Werte (IPs, Hostnamen, IDs, Status) stehen in Mono-Schrift
   wie auf einem Server-Terminal; Statusfarbe läuft als schmaler
   "Rack-LED"-Streifen links an Karten & Zeilen entlang.
   ===================================================================== */

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

:root {
    --bg: #000000;
    --surface: #0C0C0D;
    --surface-2: #131315;
    --surface-3: #19191C;
    --border: #232326;
    --border-light: #2D2D31;
    --text: #F0F2F4;
    --text-muted: #93989F;
    --text-faint: #5C6067;

    --accent: #07A8E6;
    --accent-dim: #05769F;
    --accent-bg: rgba(7, 168, 230, 0.12);

    --amber: #F2A93B;
    --amber-bg: rgba(242, 169, 59, 0.12);

    --danger: #E5484D;
    --danger-bg: rgba(229, 72, 77, 0.12);

    --success: #2FBF71;
    --success-bg: rgba(47, 191, 113, 0.12);

    --radius: 8px;
    --radius-lg: 12px;
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
    margin: 0;
    background: var(--bg);
    background-image:
        radial-gradient(circle at 12% -10%, rgba(7, 168, 230, 0.14), transparent 45%),
        radial-gradient(circle at 100% 0%, rgba(7, 168, 230, 0.06), transparent 35%),
        radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: auto, auto, 26px 26px;
    background-position: 0 0, 0 0, 0 0;
    background-attachment: fixed;
    color: var(--text);
    font-family: var(--font-ui);
    font-size: 14.5px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

code, .mono, .font-mono { font-family: var(--font-mono); }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.01em; margin: 0 0 4px; }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
h3 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
}

/* ---------------------------------------------------------------- */
/* App shell                                                         */
/* ---------------------------------------------------------------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
}
.sidebar-brand .logo {
    font-weight: 700; font-size: 16px; letter-spacing: -0.01em;
    display: flex; align-items: center; justify-content: center;
    width: 100%;
}
.sidebar-brand .logo img { display: block; height: 30px; width: auto; margin: 0 auto; }
.sidebar-brand .logo b { color: var(--accent); }
.sidebar-brand .sub {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 2px;
    text-align: center;
}

.sidebar-nav { flex: 1; overflow-y: auto; padding: 14px 10px; }
.sidebar-nav .nav-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-faint);
    padding: 14px 10px 6px;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 13.5px;
    text-decoration: none;
    border-left: 2px solid transparent;
}
.sidebar-nav a:hover { background: var(--surface-2); color: var(--text); }
.sidebar-nav a.active {
    background: var(--accent-bg);
    color: var(--accent);
    border-left: 2px solid var(--accent);
}
.sidebar-nav .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--text-faint); flex-shrink: 0;
}

.sidebar-footer {
    padding: 14px 16px;
    border-top: 1px solid var(--border);
    font-size: 12.5px;
}
.sidebar-footer .who { color: var(--text); font-weight: 600; }
.sidebar-footer .role {
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.sidebar-footer a { color: var(--text-faint); font-size: 12px; }

.main { flex: 1; min-width: 0; }

.topbar {
    height: 60px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    background: rgba(11, 15, 20, 0.7);
    backdrop-filter: blur(6px);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar .breadcrumb {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-faint);
}
.topbar .breadcrumb b { color: var(--text); font-weight: 500; }

.content { padding: 28px; max-width: 1180px; }

/* ---------------------------------------------------------------- */
/* Cards, panel                                                       */
/* ---------------------------------------------------------------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}
.card.led::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--text-faint);
}
.card.led-on::before { background: var(--success); box-shadow: 0 0 10px var(--success); }
.card.led-off::before { background: var(--text-faint); }
.card.led-warn::before { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.card.led-error::before { background: var(--danger); box-shadow: 0 0 10px var(--danger); }

.card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 14px;
}

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
}
.stat .label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-faint);
}
.stat .value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.stat .value.accent { color: var(--accent); }

/* ---------------------------------------------------------------- */
/* Tables                                                              */
/* ---------------------------------------------------------------- */
table { width: 100%; border-collapse: collapse; }
th {
    text-align: left;
    font-family: var(--font-mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-faint);
    font-weight: 500;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13.5px;
    vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface-2); }
td .mono { color: var(--text); }

/* ---------------------------------------------------------------- */
/* Buttons                                                             */
/* ---------------------------------------------------------------- */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    background: var(--surface-3);
    color: var(--text);
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    text-decoration: none;
    transition: border-color .15s, transform .05s;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #031620; }
.btn-primary:hover { background: #2EBEF0; border-color: #2EBEF0; }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }
.btn-amber { background: transparent; border-color: var(--amber); color: var(--amber); }
.btn-amber:hover { background: var(--amber-bg); }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: .4; cursor: not-allowed; }

/* ---------------------------------------------------------------- */
/* Forms                                                               */
/* ---------------------------------------------------------------- */
label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; }
input[type=text], input[type=password], input[type=email], input[type=number], select, textarea {
    width: 100%;
    background: var(--surface-2);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 10px 12px;
    color: var(--text);
    font-family: var(--font-ui);
    font-size: 13.5px;
    margin-bottom: 16px;
}
input.mono, textarea.mono { font-family: var(--font-mono); }
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-bg);
}
.form-hint { font-size: 12px; color: var(--text-faint); margin-top: -10px; margin-bottom: 16px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.checkbox-row input { width: auto; margin: 0; }
.checkbox-row label { margin: 0; font-weight: 500; color: var(--text); }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 16px; }
fieldset legend { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); padding: 0 6px; }

/* ---------------------------------------------------------------- */
/* Badges & alerts                                                    */
/* ---------------------------------------------------------------- */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 9px;
    border-radius: 100px;
    border: 1px solid var(--border-light);
    color: var(--text-muted);
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-on   { color: var(--success); background: var(--success-bg); border-color: transparent; }
.badge-off  { color: var(--text-faint); background: var(--surface-2); border-color: transparent; }
.badge-warn { color: var(--amber); background: var(--amber-bg); border-color: transparent; }
.badge-error{ color: var(--danger); background: var(--danger-bg); border-color: transparent; }
.badge-info { color: var(--accent); background: var(--accent-bg); border-color: transparent; }

.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: 13.5px; border: 1px solid; }
.alert-success { background: var(--success-bg); border-color: var(--success); color: var(--success); }
.alert-error   { background: var(--danger-bg);  border-color: var(--danger);  color: var(--danger); }
.alert-info    { background: var(--accent-bg);  border-color: var(--accent-dim); color: var(--accent); }
.alert-warn    { background: var(--amber-bg);   border-color: var(--amber); color: var(--amber); }

.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-faint);
}
.empty-state .eyebrow { display: block; margin-bottom: 8px; }

/* ---------------------------------------------------------------- */
/* Login page                                                         */
/* ---------------------------------------------------------------- */
.login-wrap {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
}
.login-card {
    width: 100%; max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 30px;
    box-shadow: 0 0 60px rgba(7, 168, 230, 0.10);
}
.login-card .logo {
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 700; margin-bottom: 4px;
}
.login-card .logo img { display: block; height: 46px; width: auto; margin: 0 auto; }
.login-card .logo b { color: var(--accent); }
.login-card .tagline {
    text-align: center; font-family: var(--font-mono); font-size: 11px;
    color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.1em;
    margin-bottom: 26px;
}

/* misc */
.muted { color: var(--text-muted); }
.faint { color: var(--text-faint); }
.mb-0 { margin-bottom: 0; }
.mt-24 { margin-top: 24px; }
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
hr.sep { border: none; border-top: 1px solid var(--border); margin: 20px 0; }