:root {
  --bg:       #080c10;
  --surface:  #0d1219;
  --panel:    #111820;
  --border:   #1a2840;
  --text:     #c8daf0;
  --muted:    #3d5570;
  --accent:   #00d4b8;
  --green:    #39d353;
  --red:      #f05060;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: 'Space Mono', 'Courier New', monospace;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.035) 3px,
    rgba(0,0,0,0.035) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

.hidden { display: none !important; }

/* ── Login ──────────────────────────────────────── */
#view-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 38%, #0c1e36 0%, var(--bg) 68%);
}

.login-card {
  width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  padding: 40px;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-mark {
  display: block;
  font-size: 30px;
  color: var(--accent);
  margin-bottom: 14px;
  text-shadow: 0 0 24px rgba(0,212,184,0.45);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%,100% { text-shadow: 0 0 24px rgba(0,212,184,0.45); }
  50%      { text-shadow: 0 0 40px rgba(0,212,184,0.75); }
}

.login-title {
  font-size: 20px;
  letter-spacing: 7px;
  color: var(--text);
  margin-bottom: 6px;
}

.login-sub {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

/* ── Fields & inputs ────────────────────────────── */
.field { margin-bottom: 16px; }

.field label {
  display: block;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.15s;
}

input:focus { border-color: var(--accent); }
input::placeholder { color: var(--muted); }

/* ── Buttons ────────────────────────────────────── */
.btn {
  background: var(--accent);
  border: none;
  color: #000;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 10px 22px;
  cursor: pointer;
  text-transform: uppercase;
  transition: opacity 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { opacity: 0.82; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-full { width: 100%; justify-content: center; margin-top: 8px; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 1px;
  padding: 7px 12px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.15s;
  width: 100%;
}
.btn-ghost:hover { border-color: var(--red); color: var(--red); }

/* ── Error ──────────────────────────────────────── */
.error-msg {
  background: rgba(240,80,96,0.08);
  border: 1px solid rgba(240,80,96,0.3);
  color: var(--red);
  font-size: 12px;
  padding: 9px 12px;
  margin-bottom: 16px;
}

/* ── Dashboard layout ───────────────────────────── */
#view-dashboard {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ────────────────────────────────────── */
.sidebar {
  width: 176px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--accent);
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  text-shadow: 0 0 14px rgba(0,212,184,0.3);
}

.sidebar-nav {
  flex: 1;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-btn {
  background: none;
  border: none;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 1px;
  text-align: left;
  padding: 9px 12px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.12s;
}
.nav-btn:hover { color: var(--text); background: var(--panel); }
.nav-btn.active {
  color: var(--accent);
  background: var(--panel);
  border-left-color: var(--accent);
}

.sidebar-footer {
  padding: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-user {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Main ───────────────────────────────────────── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.main-header {
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.main-title {
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text);
}

.main-desc {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
}

.main-body {
  flex: 1;
  overflow-y: auto;
  padding: 28px;
}

/* ── Tool inputs ────────────────────────────────── */
.tool-panel { max-width: 820px; }

.hint {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.tool-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: stretch;
  margin-bottom: 18px;
}

.tool-input {
  flex: 1;
  min-width: 150px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.15s;
}
.tool-input:focus { border-color: var(--accent); }
.tool-input::placeholder { color: var(--muted); }

.tool-select { flex: 0 1 auto; cursor: pointer; }
.tool-ports  { flex: 0 1 220px; }

/* ── Output ─────────────────────────────────────── */
.output-area { margin-top: 4px; }

.terminal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  padding: 16px;
  font-size: 12px;
  color: var(--green);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.9;
  max-height: 440px;
  overflow-y: auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 4px 10px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.badge-ok  { background: rgba(57,211,83,0.10); color: var(--green); border: 1px solid rgba(57,211,83,0.28); }
.badge-err { background: rgba(240,80,96,0.10); color: var(--red);   border: 1px solid rgba(240,80,96,0.28); }

.ip-grid { display: flex; flex-wrap: wrap; gap: 8px; }

.ip-chip {
  background: rgba(0,212,184,0.07);
  border: 1px solid rgba(0,212,184,0.22);
  color: var(--accent);
  font-size: 13px;
  padding: 7px 16px;
  letter-spacing: 0.5px;
}

.port-table {
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  min-width: 300px;
}
.port-table th {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.port-table td {
  padding: 8px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.port-table tr:last-child td { border-bottom: none; }

.rdns-label { font-size: 10px; letter-spacing: 2px; color: var(--muted); text-transform: uppercase; margin-bottom: 8px; }
.rdns-hostname { font-size: 16px; color: var(--accent); letter-spacing: 1px; }

/* ── Spinner ────────────────────────────────────── */
.spinner {
  width: 10px;
  height: 10px;
  border: 2px solid rgba(0,0,0,0.25);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.55s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }