/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:    #020c12;
  --bg-dark:    #043448;
  --bg-card:    #071e2b;
  --bg-card2:   #0a2535;
  --border:     #0d3a52;
  --border-lit: #0f4a68;
  --accent:     #00aaff;
  --accent-dim: #0077bb;
  --accent-glow:rgba(0,170,255,0.15);
  --success:    #00cc77;
  --warning:    #ffaa00;
  --danger:     #ff4466;
  --text:       #d4e8f5;
  --text-muted: #5a8fa8;
  --text-bright:#eaf5ff;
  --sidebar-w:  240px;
  --topbar-h:   56px;
  --radius:     8px;
  --radius-sm:  5px;
  --transition: 0.2s ease;
}

html, body {
  height: 100%;
  background: var(--bg-deep);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
}

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

/* ── App Layout ───────────────────────────────────────────────────────────── */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--bg-dark);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-y: auto;
  transition: transform var(--transition);
  z-index: 100;
}

.sidebar-header {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  letter-spacing: 0.3px;
}

.nav-links {
  list-style: none;
  padding: 0.75rem 0;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  color: var(--text-muted);
  border-radius: 0;
  transition: all var(--transition);
  font-size: 0.875rem;
  border-left: 3px solid transparent;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(0,170,255,0.07);
  border-left-color: var(--accent-dim);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-glow);
  border-left-color: var(--accent);
}

.nav-icon { font-size: 1rem; width: 1.2rem; text-align: center; }

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-time {
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.btn-logout {
  display: block;
  text-align: center;
  padding: 0.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.75rem;
  transition: all var(--transition);
}
.btn-logout:hover {
  border-color: var(--danger);
  color: var(--danger);
  background: rgba(255,68,102,0.08);
}

/* ── Main Content ─────────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.top-bar {
  height: var(--topbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  flex-shrink: 0;
}

.page-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  flex: 1;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
}

.btn-refresh {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition);
  display: flex;align-items:center;justify-content:center;
}
.btn-refresh:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(180deg);
}

.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

/* ── Sections ─────────────────────────────────────────────────────────────── */
.section { display: none; }
.section.active { display: block; }

/* ── Grid ─────────────────────────────────────────────────────────────────── */
.grid { display: grid; gap: 1rem; }
.grid-1 { grid-template-columns: 1fr; }
.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-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: flex; }
}

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card.loading {
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.card-header h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-bright);
}

/* ── Server Card ──────────────────────────────────────────────────────────── */
.server-card .server-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.server-card .server-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-bright);
}

.server-card .server-host {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.stat-label {
  width: 60px;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.stat-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.stat-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width 0.6s ease;
}

.stat-fill.warn { background: var(--warning); }
.stat-fill.crit { background: var(--danger); }

.stat-value {
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  width: 70px;
  text-align: right;
  flex-shrink: 0;
}

.docker-info {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.docker-info .docker-count {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-online   { background: rgba(0,204,119,0.15); color: var(--success); border: 1px solid rgba(0,204,119,0.3); }
.badge-offline  { background: rgba(255,68,102,0.15); color: var(--danger); border: 1px solid rgba(255,68,102,0.3); }
.badge-warning  { background: rgba(255,170,0,0.15); color: var(--warning); border: 1px solid rgba(255,170,0,0.3); }
.badge-checking { background: rgba(0,170,255,0.1); color: var(--accent); border: 1px solid rgba(0,170,255,0.2); }
.badge-running  { background: rgba(0,204,119,0.1); color: var(--success); }
.badge-stopped  { background: rgba(255,68,102,0.1); color: var(--danger); }

/* ── Summary Cards ────────────────────────────────────────────────────────── */
.summary-stat {
  text-align: center;
  padding: 1.5rem;
}
.summary-stat .stat-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.summary-stat .stat-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Projects ─────────────────────────────────────────────────────────────── */
.project-card { text-align: center; }
.project-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.project-card h3 { color: var(--text-bright); margin-bottom: 0.5rem; font-size: 1rem; }
.project-desc { color: var(--text-muted); font-size: 0.8rem; line-height: 1.5; margin-bottom: 1rem; }
.project-status { margin-bottom: 0.75rem; }
.project-meta { font-size: 0.75rem; color: var(--text-muted); display: flex; gap: 0.5rem; justify-content: center; }
.project-meta span { background: var(--bg-deep); border: 1px solid var(--border); padding: 0.15rem 0.5rem; border-radius: 20px; }

/* ── Containers table ─────────────────────────────────────────────────────── */
.containers-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}
.containers-table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
}
.containers-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid rgba(13,58,82,0.5);
  color: var(--text);
}
.containers-table tr:hover td { background: rgba(0,170,255,0.04); }

/* ── Tokens ───────────────────────────────────────────────────────────────── */
.tokens-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.tokens-table th {
  text-align: left;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
}
.tokens-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid rgba(13,58,82,0.5);
}
.tokens-empty {
  color: var(--text-muted);
  text-align: center;
  padding: 2rem;
  font-style: italic;
}

/* ── Crons ────────────────────────────────────────────────────────────────── */
.cron-item {
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.4rem;
  color: var(--text);
  word-break: break-all;
}

.cron-empty {
  color: var(--text-muted);
  font-style: italic;
  padding: 0.75rem;
}

/* ── Failover ─────────────────────────────────────────────────────────────── */
.failover-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.terminal {
  background: #010e18;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  color: #7dffaa;
  white-space: pre-wrap;
  max-height: 300px;
  overflow-y: auto;
}

.code-block {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-size: 0.8rem;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #22bbff; color: #000; }

.btn-secondary { background: var(--bg-card2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-warning { background: rgba(255,170,0,0.15); color: var(--warning); border: 1px solid rgba(255,170,0,0.3); }
.btn-warning:hover { background: rgba(255,170,0,0.25); }

.btn-danger { background: rgba(255,68,102,0.15); color: var(--danger); border: 1px solid rgba(255,68,102,0.3); }
.btn-danger:hover { background: rgba(255,68,102,0.25); }

.btn-full { width: 100%; justify-content: center; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Auth Pages ───────────────────────────────────────────────────────────── */
body:has(.auth-wrapper) {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
}

.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
  padding: 2rem;
  background: radial-gradient(ellipse at center top, #043448 0%, #020c12 60%);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
}

.auth-logo {
  text-align: center;
  margin-bottom: 1rem;
}

.auth-card h1 {
  text-align: center;
  font-size: 1.4rem;
  color: var(--text-bright);
  margin-bottom: 0.25rem;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-bright);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.alert {
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.alert-error { background: rgba(255,68,102,0.1); border: 1px solid rgba(255,68,102,0.3); color: #ff8899; }
.alert-info  { background: rgba(0,170,255,0.08); border: 1px solid rgba(0,170,255,0.2); color: var(--accent); }

.qr-container {
  text-align: center;
  margin: 1.5rem 0;
}

.totp-secret {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}
.totp-secret label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.35rem;
}
.totp-secret code {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: var(--accent);
  word-break: break-all;
  letter-spacing: 1px;
}

/* ── Spinner ──────────────────────────────────────────────────────────────── */
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border-lit); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ── Status dot ───────────────────────────────────────────────────────────── */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.4rem;
}
.status-dot.online  { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.offline { background: var(--danger); }
.status-dot.warn    { background: var(--warning); }

/* ── Centinela ─────────────────────────────────────────────────────────────── */
.centinela-stat {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.centinela-stat:last-child { border-bottom: none; }
.centinela-stat .c-icon { font-size: 1.5rem; }
.centinela-stat .c-info .c-value { font-size: 1.4rem; font-weight: 700; color: var(--accent); }
.centinela-stat .c-info .c-label { font-size: 0.75rem; color: var(--text-muted); }

/* ── Uptime chip ──────────────────────────────────────────────────────────── */
.uptime-chip {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}