/* ============================================================
   T-ERP Admin Server - Stylesheet
   Dark theme, professional operations dashboard
   ============================================================ */

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

:root {
  --bg:        #0d0f14;
  --surface:   #161920;
  --surface2:  #1e2230;
  --border:    #252a38;
  --border2:   #2e3448;
  --accent:    #3b82f6;
  --accent2:   #10b981;
  --danger:    #ef4444;
  --warn:      #f59e0b;
  --info:      #06b6d4;
  --text:      #e2e8f0;
  --muted:     #64748b;
  --muted2:    #94a3b8;
  --radius:    8px;
  --radius-sm: 4px;
  --shadow:    0 1px 3px rgba(0,0,0,0.4);
}

html { font-size: 14px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

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

code { font-family: "SF Mono", "Fira Code", monospace; font-size: 12px; background: var(--surface2); padding: 1px 5px; border-radius: 3px; }

/* ---- Nav ---- */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .brand {
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 1.5px;
  color: var(--accent);
  text-decoration: none;
  margin-right: 12px;
}

nav a {
  color: var(--muted2);
  text-decoration: none;
  font-size: 13px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
nav a:hover { color: var(--text); background: var(--surface2); text-decoration: none; }
nav a.active { color: var(--text); background: var(--surface2); }

nav .spacer { flex: 1; }
nav .nav-user { color: var(--muted); font-size: 12px; margin-right: 8px; }

.badge-danger {
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 10px;
  margin-left: 4px;
  vertical-align: middle;
}

/* ---- Page layout ---- */
.page-content { padding: 28px 32px; max-width: 1400px; margin: 0 auto; }

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}
.page-header h1 { font-size: 20px; font-weight: 700; }
.page-subtitle { color: var(--muted); font-size: 13px; margin-top: 2px; display: block; }
.header-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

/* ---- Buttons ---- */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.85; text-decoration: none; color: #fff; }
.btn-primary.btn-full { width: 100%; text-align: center; padding: 10px; }

.btn-ghost {
  background: transparent;
  color: var(--muted2);
  border: 1px solid var(--border2);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: color 0.15s, border-color 0.15s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--muted); text-decoration: none; }

.btn-danger-ghost {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-danger-ghost:hover { background: rgba(239,68,68,0.1); text-decoration: none; }

.btn-sm {
  background: var(--surface2);
  color: var(--muted2);
  border: 1px solid var(--border2);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-sm:hover { color: var(--text); text-decoration: none; }

.btn-xs {
  background: var(--surface2);
  color: var(--muted2);
  border: 1px solid var(--border2);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-xs:hover { color: var(--text); text-decoration: none; }
.btn-xs.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-xs.btn-danger:hover { background: rgba(239,68,68,0.1); }

.btn-link {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  padding: 5px 8px;
}
.btn-link:hover { color: var(--text); }

/* ---- Cards ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.card-header {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-wide { grid-column: span 2; }
.form-card { max-width: 800px; }

/* ---- Stats bar ---- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
}
.stat-card.stat-danger { border-color: var(--danger); background: rgba(239,68,68,0.05); }
.stat-card.stat-warn { border-color: var(--warn); background: rgba(245,158,11,0.05); }
.stat-value { font-size: 32px; font-weight: 800; line-height: 1; }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ---- Dashboard grid ---- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.panel-wide { grid-column: span 2; }
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.panel-title { font-size: 13px; font-weight: 600; color: var(--muted2); text-transform: uppercase; letter-spacing: 0.5px; }

/* ---- Server grid ---- */
.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.server-card {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 14px;
  text-decoration: none;
  display: block;
  transition: border-color 0.15s, background 0.15s;
}
.server-card:hover { border-color: var(--accent); background: rgba(59,130,246,0.05); text-decoration: none; }
.server-card.status-offline { border-color: var(--danger); background: rgba(239,68,68,0.05); }
.server-card.status-degraded { border-color: var(--warn); background: rgba(245,158,11,0.05); }
.server-card-top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.server-card-name { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.server-card-client { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.server-card-meta { font-size: 11px; color: var(--muted); }

/* ---- Status dots ---- */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dot-online { background: var(--accent2); box-shadow: 0 0 6px var(--accent2); }
.dot-offline { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.dot-degraded { background: var(--warn); box-shadow: 0 0 6px var(--warn); }
.dot-unknown, .dot-provisioning { background: var(--muted); }

/* ---- Badges ---- */
.status-badge, .server-type-badge, .severity-badge, .key-type-badge, .plan-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-active, .badge-online { background: rgba(16,185,129,0.15); color: var(--accent2); }
.badge-suspended, .badge-offline { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-provisioning, .badge-pending, .badge-running { background: rgba(245,158,11,0.15); color: var(--warn); }
.badge-cancelled, .badge-unknown { background: rgba(100,116,139,0.15); color: var(--muted2); }
.badge-completed { background: rgba(16,185,129,0.15); color: var(--accent2); }
.badge-failed { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-critical { background: rgba(239,68,68,0.2); color: var(--danger); }
.badge-warning { background: rgba(245,158,11,0.2); color: var(--warn); }
.badge-info { background: rgba(6,182,212,0.15); color: var(--info); }
.badge-erp { background: rgba(59,130,246,0.15); color: var(--accent); }
.badge-middleware { background: rgba(139,92,246,0.15); color: #a78bfa; }
.badge-telematics { background: rgba(16,185,129,0.15); color: var(--accent2); }
.badge-support_ai { background: rgba(245,158,11,0.15); color: var(--warn); }
.badge-website { background: rgba(6,182,212,0.15); color: var(--info); }
.badge-admin { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-backup { background: rgba(100,116,139,0.15); color: var(--muted2); }
.key-type-badge { background: var(--surface2); color: var(--muted2); border: 1px solid var(--border2); }
.plan-badge { background: var(--surface2); color: var(--muted2); border: 1px solid var(--border2); }

/* ---- Alert items ---- */
.alert-item {
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border-left: 3px solid var(--border2);
}
.severity-critical { border-left-color: var(--danger); background: rgba(239,68,68,0.05); }
.severity-warning { border-left-color: var(--warn); background: rgba(245,158,11,0.05); }
.severity-info { border-left-color: var(--info); background: rgba(6,182,212,0.05); }
.alert-item-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.alert-msg { font-size: 13px; }
.alert-server { font-size: 11px; margin-top: 2px; }

/* ---- Activity items ---- */
.activity-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.activity-item:last-child { border-bottom: none; }

/* ---- Tables ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--surface2); }
.row-danger td { background: rgba(239,68,68,0.04); }
.row-warn td { background: rgba(245,158,11,0.04); }

/* ---- Detail grid ---- */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.detail-row:last-child { border-bottom: none; }
.detail-row span:first-child { color: var(--muted); flex-shrink: 0; margin-right: 16px; }
.detail-notes { margin-top: 12px; padding: 10px; background: var(--surface2); border-radius: var(--radius-sm); font-size: 13px; color: var(--muted2); }

/* ---- Forms ---- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--muted2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.3px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group select option { background: var(--surface2); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.form-actions { display: flex; gap: 10px; align-items: center; margin-top: 20px; }

/* ---- Auth pages ---- */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.auth-logo {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 20px;
}
.auth-title { font-size: 20px; font-weight: 700; text-align: center; margin-bottom: 4px; }
.auth-subtitle { font-size: 13px; color: var(--muted); text-align: center; margin-bottom: 28px; }
.auth-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--danger); padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin-bottom: 16px; }
.auth-form .form-group { margin-bottom: 16px; }
.auth-footer { text-align: center; margin-top: 20px; font-size: 12px; color: var(--muted); }

/* ---- Flash messages ---- */
.flash {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 13px;
}
.flash-updated, .flash-saved, .flash-activated, .flash-checked { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: var(--accent2); }
.flash-deleted, .flash-suspended { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: var(--warn); }
.flash-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--danger); }

/* ---- Uptime display ---- */
.uptime-display { text-align: center; padding: 20px 0; }
.uptime-pct { font-size: 48px; font-weight: 800; line-height: 1; }
.uptime-good { color: var(--accent2); }
.uptime-warn { color: var(--warn); }
.uptime-bad { color: var(--danger); }

/* ---- Token reveal ---- */
.token-reveal-warning {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--warn);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 20px;
}
.token-box { margin: 20px 0; padding: 16px; background: var(--surface2); border-radius: var(--radius); border: 1px solid var(--border2); }
.token-box label { font-size: 11px; font-weight: 600; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 8px; }
.token-value { font-family: "SF Mono", "Fira Code", monospace; font-size: 13px; word-break: break-all; color: var(--accent2); margin-bottom: 10px; }

/* ---- Info box ---- */
.info-box {
  margin-top: 16px;
  padding: 12px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--muted2);
  border-left: 3px solid var(--accent);
}

/* ---- Utilities ---- */
.muted { color: var(--muted); }
.muted2 { color: var(--muted2); }
.mono { font-family: "SF Mono", "Fira Code", monospace; font-size: 12px; }
.small { font-size: 11px; }
.link-strong { color: var(--text); font-weight: 600; }
.link-strong:hover { color: var(--accent); }
.float-right { float: right; }
.empty-state { color: var(--muted); font-size: 13px; padding: 20px 0; text-align: center; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .panel-wide { grid-column: span 1; }
  .detail-grid { grid-template-columns: 1fr; }
  .card-wide { grid-column: span 1; }
  .page-content { padding: 16px; }
}