/* ============================================================
   OnCallPro — Design System
   Aesthetic: Industrial-precision with teal/slate dark theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;600&family=DM+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg-base:       #0d1117;
  --bg-surface:    #161b22;
  --bg-elevated:   #1c2330;
  --bg-hover:      #21273a;

  --border:        #2a3444;
  --border-light:  #1e2a3a;

  --teal:          #00c9a7;
  --teal-dim:      #00a88b;
  --teal-glow:     rgba(0,201,167,.15);
  --teal-subtle:   rgba(0,201,167,.08);

  --amber:         #f0a500;
  --red:           #e05252;
  --green:         #3dd68c;
  --blue:          #58a6ff;
  --purple:        #bc8cff;

  --text-primary:  #e6edf3;
  --text-secondary:#8b949e;
  --text-muted:    #484f58;

  --sidebar-w:     230px;
  --header-h:      58px;

  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     16px;

  --shadow-card:   0 4px 24px rgba(0,0,0,.35);
  --shadow-popup:  0 12px 40px rgba(0,0,0,.5);

  --font-body:     'DM Sans', sans-serif;
  --font-mono:     'IBM Plex Mono', monospace;

  --transition:    all .18s ease;
}

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

html { font-size: 14px; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Header ───────────────────────────────────────────────── */
#header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 20px 0 0;
  z-index: 1000;
  gap: 0;
}

.header-brand {
  width: var(--sidebar-w);
  display: flex; align-items: center; gap: 10px;
  padding: 0 20px;
  border-right: 1px solid var(--border);
  height: 100%;
  text-decoration: none;
}

.brand-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--teal), #0097e6);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff; font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--teal-glow);
}

.brand-name {
  font-size: 15px; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.3px;
}
.brand-name span { color: var(--teal); }

.header-spacer { flex: 1; }

.header-actions {
  display: flex; align-items: center; gap: 10px;
}

.header-badge {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  background: var(--teal-subtle);
  border: 1px solid rgba(0,201,167,.2);
  border-radius: 20px;
  font-size: 12px; color: var(--teal);
  font-family: var(--font-mono);
}
.header-badge .dot {
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}

.user-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 24px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.user-btn:hover { border-color: var(--teal); background: var(--bg-hover); }

.user-avatar {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #fff;
}
.user-btn-name { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.user-btn-role { font-size: 11px; color: var(--text-secondary); }

/* ── Sidebar ──────────────────────────────────────────────── */
#sidebar {
  position: fixed;
  top: var(--header-h); left: 0;
  width: var(--sidebar-w);
  height: calc(100vh - var(--header-h));
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 900;
  padding: 16px 0 24px;
  display: flex; flex-direction: column;
}

.nav-section-label {
  font-size: 10px; font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 4px 20px 8px;
  margin-top: 12px;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 20px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 13.5px; font-weight: 500;
  border-left: 2px solid transparent;
  position: relative;
}
.nav-item:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-item.active {
  color: var(--teal);
  background: var(--teal-subtle);
  border-left-color: var(--teal);
}
.nav-item .nav-icon {
  width: 18px; text-align: center;
  font-size: 15px; opacity: .85;
}
.nav-item .nav-badge {
  margin-left: auto;
  background: var(--teal);
  color: #000;
  font-size: 10px; font-weight: 700;
  padding: 1px 6px; border-radius: 10px;
}
.nav-item .lock-icon {
  margin-left: auto;
  font-size: 11px; color: var(--text-muted);
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}
.sidebar-plan {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
}
.sidebar-plan-title {
  font-size: 11px; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 4px;
}
.sidebar-plan-val {
  font-size: 12px; color: var(--teal);
  font-family: var(--font-mono); font-weight: 600;
}

/* ── Main Content ─────────────────────────────────────────── */
#main {
  margin-left: var(--sidebar-w);
  margin-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
  padding: 28px 32px;
}

/* ── Page Header ──────────────────────────────────────────── */
.page-header {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}
.page-title { font-size: 22px; font-weight: 700; letter-spacing: -.4px; }
.page-subtitle { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.card-header {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 14px; font-weight: 600; }
.card-body { padding: 20px; }

/* ── Grid ─────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* ── Stat Tiles ───────────────────────────────────────────── */
.stat-tile {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex; align-items: flex-start;
  gap: 14px;
  transition: var(--transition);
}
.stat-tile:hover { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal-glow); }
.stat-tile-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.stat-tile-val { font-size: 26px; font-weight: 700; font-family: var(--font-mono); line-height: 1; }
.stat-tile-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.stat-tile-delta { font-size: 11px; margin-top: 6px; }
.delta-up { color: var(--green); }
.delta-down { color: var(--red); }

/* ── Table ────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px; font-weight: 600;
  letter-spacing: .8px; text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-base);
}
tbody td {
  padding: 12px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-hover); }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 11px; font-weight: 600;
  letter-spacing: .3px;
}
.badge-green  { background: rgba(61,214,140,.12); color: var(--green); border: 1px solid rgba(61,214,140,.2); }
.badge-red    { background: rgba(224,82,82,.12); color: var(--red); border: 1px solid rgba(224,82,82,.2); }
.badge-amber  { background: rgba(240,165,0,.12); color: var(--amber); border: 1px solid rgba(240,165,0,.2); }
.badge-blue   { background: rgba(88,166,255,.12); color: var(--blue); border: 1px solid rgba(88,166,255,.2); }
.badge-teal   { background: var(--teal-subtle); color: var(--teal); border: 1px solid rgba(0,201,167,.2); }
.badge-purple { background: rgba(188,140,255,.12); color: var(--purple); border: 1px solid rgba(188,140,255,.2); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 13px; font-weight: 600;
  cursor: pointer; border: none;
  transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn-primary {
  background: var(--teal); color: #000;
  box-shadow: 0 0 20px var(--teal-glow);
}
.btn-primary:hover { background: var(--teal-dim); transform: translateY(-1px); }
.btn-secondary {
  background: var(--bg-elevated); color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); }
.btn-danger {
  background: rgba(224,82,82,.12); color: var(--red);
  border: 1px solid rgba(224,82,82,.25);
}
.btn-danger:hover { background: rgba(224,82,82,.2); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-hover); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 7px; }

/* ── Forms ────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 12px; font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: .3px;
}
.form-control {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  transition: var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-glow); }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-popup);
  width: 100%; max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn .2s ease;
}
.modal-lg { max-width: 720px; }
@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close {
  width: 30px; height: 30px;
  border: none; background: var(--bg-elevated);
  border-radius: 6px; cursor: pointer;
  color: var(--text-secondary); font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--red); color: #fff; }
.modal-body { padding: 24px; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

/* ── Toast ────────────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-popup);
  min-width: 280px; max-width: 380px;
  font-size: 13px;
  animation: toastIn .25s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.toast-icon { font-size: 16px; flex-shrink: 0; }
.toast-success { border-color: rgba(61,214,140,.3); }
.toast-success .toast-icon { color: var(--green); }
.toast-error { border-color: rgba(224,82,82,.3); }
.toast-error .toast-icon { color: var(--red); }
.toast-warning { border-color: rgba(240,165,0,.3); }
.toast-warning .toast-icon { color: var(--amber); }
.toast-info { border-color: rgba(88,166,255,.3); }
.toast-info .toast-icon { color: var(--blue); }

/* ── On-Call Page Specific ────────────────────────────────── */
.oncall-hero {
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 24px;
  position: relative; overflow: hidden;
}
.oncall-hero::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 240px; height: 240px;
  background: radial-gradient(circle, var(--teal-glow) 0%, transparent 70%);
  pointer-events: none;
}
.oncall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.oncall-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: var(--transition);
}
.oncall-card:hover { border-color: var(--teal); transform: translateY(-2px); }
.oncall-card.active { border-color: var(--green); }
.oncall-avatar-row {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
}
.oncall-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; color: #fff;
  border: 2px solid var(--border);
}
.oncall-meta { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }
.oncall-shift-bar {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px; overflow: hidden;
  margin-top: 12px;
}
.oncall-shift-fill { height: 100%; background: var(--teal); border-radius: 2px; }
.oncall-time { font-family: var(--font-mono); font-size: 12px; color: var(--text-secondary); margin-top: 6px; }

/* ── Roster / Calendar ────────────────────────────────────── */
.roster-grid {
  display: grid;
  grid-template-columns: 120px repeat(7,1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.roster-cell {
  padding: 10px 12px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.roster-cell:last-child { border-right: none; }
.roster-header { background: var(--bg-base); font-weight: 600; color: var(--text-secondary); font-size: 11px; text-transform: uppercase; }
.roster-shift { background: var(--teal-subtle); color: var(--teal); border-radius: 4px; padding: 4px 8px; font-size: 11px; font-weight: 600; }

/* ── API Config ───────────────────────────────────────────── */
.auth-type-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 10px;
  margin-bottom: 20px;
}
.auth-type-card {
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer; text-align: center;
  transition: var(--transition);
}
.auth-type-card:hover { border-color: var(--teal); }
.auth-type-card.selected { border-color: var(--teal); background: var(--teal-subtle); }
.auth-type-card .icon { font-size: 22px; margin-bottom: 6px; }
.auth-type-card .label { font-size: 12px; font-weight: 600; }

.node-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex; align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}
.node-card.active { border-color: var(--green); }
.node-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px;
}
.node-dot {
  width: 8px; height: 8px;
  border-radius: 50%; background: var(--border);
}
.node-dot.online { background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 2s infinite; }

/* ── Log Tables ───────────────────────────────────────────── */
.log-type-tabs {
  display: flex; gap: 2px;
  background: var(--bg-base);
  padding: 4px; border-radius: var(--radius-sm);
  margin-bottom: 20px; width: fit-content;
}
.log-tab {
  padding: 6px 16px;
  border-radius: 4px;
  font-size: 12px; font-weight: 600;
  cursor: pointer; color: var(--text-secondary);
  transition: var(--transition);
  border: none; background: none;
}
.log-tab.active { background: var(--bg-surface); color: var(--text-primary); }

.log-entry-type {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: 4px;
  font-family: var(--font-mono);
}
.log-login    { background: rgba(88,166,255,.1); color: var(--blue); }
.log-create   { background: rgba(61,214,140,.1); color: var(--green); }
.log-update   { background: rgba(240,165,0,.1); color: var(--amber); }
.log-delete   { background: rgba(224,82,82,.1); color: var(--red); }
.log-api      { background: rgba(188,140,255,.1); color: var(--purple); }
.log-ticket   { background: rgba(0,201,167,.1); color: var(--teal); }
.log-error    { background: rgba(224,82,82,.1); color: var(--red); }

/* ── Login Page ───────────────────────────────────────────── */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-base);
  position: relative; overflow: hidden;
}
.login-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-light) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .5;
}
.login-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-popup);
  width: 100%; max-width: 420px;
  padding: 40px;
  position: relative; z-index: 1;
}
.login-logo {
  display: flex; align-items: center; gap: 12px;
  justify-content: center; margin-bottom: 32px;
}
.login-logo .brand-icon { width: 44px; height: 44px; font-size: 22px; }
.login-logo .brand-name { font-size: 22px; }
.login-title { font-size: 20px; font-weight: 700; text-align: center; margin-bottom: 6px; }
.login-sub { text-align: center; color: var(--text-secondary); font-size: 13px; margin-bottom: 28px; }
.login-divider { display: flex; align-items: center; gap: 12px; margin: 16px 0; color: var(--text-muted); font-size: 12px; }
.login-divider::before, .login-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── Pricing ──────────────────────────────────────────────── */
.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}
.pricing-card:hover, .pricing-card.featured { border-color: var(--teal); }
.pricing-card.featured { background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(0,201,167,.05) 100%); }
.price-val { font-size: 36px; font-weight: 800; font-family: var(--font-mono); }
.price-unit { font-size: 13px; color: var(--text-secondary); }

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}
.empty-state .icon { font-size: 48px; margin-bottom: 16px; opacity: .5; }
.empty-state h3 { font-size: 16px; color: var(--text-primary); margin-bottom: 6px; }
.empty-state p { font-size: 13px; max-width: 300px; margin: 0 auto 20px; }

/* ── Utility ──────────────────────────────────────────────── */
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.text-sm { font-size: 12px; }
.text-muted { color: var(--text-secondary); }
.text-mono { font-family: var(--font-mono); }
.text-teal  { color: var(--teal); }
.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-amber { color: var(--amber); }
.fw-600 { font-weight: 600; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  #sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  #sidebar.open { transform: translateX(0); }
  #main { margin-left: 0; padding: 20px 16px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .header-brand { width: auto; }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .auth-type-grid { grid-template-columns: repeat(2,1fr); }
}