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

:root {
  --primary: #1a3a6b;
  --primary-light: #2457a4;
  --accent: #00b4d8;
  --accent2: #0077b6;
  --bg: #f0f4f8;
  --surface: #ffffff;
  --surface2: #e8eef5;
  --text: #0d1b2a;
  --text2: #3a5068;
  --text3: #6b8299;
  --border: #c8d8e8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --sidebar-w: 260px;
  --header-h: 64px;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  font-size: 14px;
}

/* ── SIDEBAR ── */
#sidebar {
  width: var(--sidebar-w);
  background: var(--primary);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-logo h2 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.3px;
}
.sidebar-logo span {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  display: block;
  margin-top: 2px;
}

.nav-section {
  padding: 16px 12px 4px;
}
.nav-section-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  padding: 0 8px;
  margin-bottom: 6px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: rgba(255,255,255,0.7);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.15s;
  margin-bottom: 2px;
  text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,0.1); color: #fff; }
.nav-item.active { background: var(--accent2); color: #fff; }
.nav-item .icon { width: 18px; text-align: center; font-size: 15px; }
.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
}

/* ── MAIN ── */
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
#header h1 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.btn {
  padding: 7px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
}
.btn-primary { background: var(--primary-light); color: #fff; }
.btn-primary:hover { background: var(--primary); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text2); }
.btn-outline:hover { background: var(--surface2); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-icon { width: 36px; height: 36px; padding: 0; display: flex; align-items: center; justify-content: center; }

#content {
  padding: 28px;
  flex: 1;
}

/* ── STATS GRID ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-card .label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.stat-card .value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.stat-card .change {
  font-size: 12px;
  color: var(--success);
  display: flex;
  align-items: center;
  gap: 4px;
}
.stat-card .change.down { color: var(--danger); }
.stat-card .icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 4px;
}
.icon-blue { background: #dbeafe; }
.icon-green { background: #d1fae5; }
.icon-amber { background: #fef3c7; }
.icon-red { background: #fee2e2; }

/* ── CARDS ── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px 24px;
  margin-bottom: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.card-subtitle {
  font-size: 12px;
  color: var(--text3);
  margin-top: 2px;
}

/* ── TABLE ── */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  text-align: left;
  padding: 10px 14px;
  background: var(--surface2);
  color: var(--text2);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 11px 14px;
  border-bottom: 1px solid #f0f4f8;
  color: var(--text);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-gray { background: #f1f5f9; color: #475569; }

/* ── FORM ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: 12.5px; font-weight: 600; color: var(--text2); }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"], select, textarea {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent2); }
textarea { min-height: 80px; resize: vertical; }
.field-validation-error { color: var(--danger); font-size: 11.5px; }
.input-validation-error { border-color: var(--danger) !important; }

/* ── SEARCH BAR ── */
.search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.search-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--surface);
  outline: none;
}
.search-input:focus { border-color: var(--accent2); }

/* ── MODAL ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border-radius: 14px;
  padding: 28px;
  width: 520px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-title { font-size: 16px; font-weight: 700; color: var(--text); }
.modal-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--surface2);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
}
.modal-close:hover { background: var(--border); }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ── TOAST ── */
#toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--text);
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  z-index: 9999;
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.3s;
  max-width: 320px;
}
#toast.show { transform: translateY(0); opacity: 1; }
#toast.success { background: var(--success); }
#toast.error { background: var(--danger); }

/* ── LOGS ── */
.log-entry {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
}
.log-entry:last-child { border-bottom: none; }
.log-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
}
.log-dot.success { background: var(--success); }
.log-dot.error { background: var(--danger); }
.log-dot.warn { background: var(--warning); }
.log-dot.info { background: var(--info); }
.log-time { color: var(--text3); font-family: 'JetBrains Mono', monospace; font-size: 11px; white-space: nowrap; }
.log-msg { flex: 1; color: var(--text2); }

/* ── CHART BARS (pure CSS) ── */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 200px;
  padding-top: 10px;
}
.bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
  justify-content: flex-end;
}
.bar {
  width: 100%;
  background: var(--primary-light);
  border-radius: 4px 4px 0 0;
  transition: height 0.5s ease;
}
.bar-label { font-size: 10px; color: var(--text3); }

/* ── KEY ROTATION ── */
.key-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.key-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 20px;
  position: relative;
}
.key-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 32px;
  width: 2px;
  height: calc(100% - 10px);
  background: var(--border);
}
.key-step-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  z-index: 1;
}
.key-step-dot.done { background: #d1fae5; }
.key-step-dot.active { background: #dbeafe; }
.key-step-dot.pending { background: var(--surface2); }

/* ── SETTINGS ── */
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.settings-row:last-child { border-bottom: none; }
.settings-label { font-weight: 500; font-size: 14px; color: var(--text); }
.settings-desc { font-size: 12px; color: var(--text3); margin-top: 2px; }
.toggle {
  width: 42px; height: 24px;
  border-radius: 12px;
  background: var(--border);
  cursor: pointer;
  position: relative;
  transition: background 0.2s;
  border: none;
  flex-shrink: 0;
}
.toggle::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 3px; left: 3px;
  transition: left 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle.on { background: var(--success); }
.toggle.on::after { left: 21px; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
}