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

:root {
  --primary: #035AA6;
  --primary-light: #4A8BC2;
  --primary-dark: #023E73;
  --accent: #0476D0;
  --bg: #F5F7FA;
  --surface: #FFFFFF;
  --surface-alt: #EEF1F6;
  --text: #1A1A2E;
  --text-secondary: #5A6275;
  --text-muted: #8E95A5;
  --border: #DDE2EB;
  --border-light: #EEF1F6;
  --success: #28A745;
  --danger: #DC3545;
  --warning: #F0AD4E;
  --radius: 8px;
  --radius-lg: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ─── Login Page ─── */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.login-logo {
  display: block;
  margin: 0 auto 8px;
  width: 180px;
  height: auto;
}

.login-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 32px;
}

/* ─── Forms ─── */
.form-group {
  margin-bottom: 16px;
  flex: 1;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(3, 90, 166, 0.1);
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 8px;
}

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 12px;
  padding: 8px 12px;
  background: rgba(220, 53, 69, 0.08);
  border-radius: var(--radius);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background: var(--surface-alt);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #218838;
}

.btn-danger {
  background: transparent;
  border: 1px solid var(--danger);
  color: var(--danger);
}

.btn-danger:hover {
  background: rgba(220, 53, 69, 0.08);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

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

/* ─── Header ─── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo {
  height: 36px;
  width: auto;
}

.header-badge {
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-email {
  font-size: 13px;
  color: var(--text-muted);
}

/* ─── Tabs ─── */
.tabs {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
}

.tab {
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ─── Sub-tabs ─── */
.sub-tabs {
  display: flex;
  gap: 8px;
  padding: 20px 32px 12px;
}

.sub-tab {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.sub-tab:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.sub-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ─── Tab Content ─── */
.tab-content {
  display: none;
  padding: 0 32px 32px;
}

.tab-content.active {
  display: block;
}

/* ─── Users List ─── */
.users-list {
  padding: 12px 0;
}

.user-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
  transition: box-shadow 0.2s;
}

.user-card:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.user-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.user-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.user-date {
  font-size: 12px;
  color: var(--text-muted);
}

.user-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.user-info-item {
  font-size: 13px;
  color: var(--text-secondary);
}

.user-info-item span {
  color: var(--text-muted);
  margin-right: 4px;
}

.user-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.empty-msg {
  text-align: center;
  color: var(--text-muted);
  padding: 48px 0;
  font-size: 14px;
}

/* ─── Content ─── */
.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0 16px;
}

.content-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.content-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.content-form h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.content-list {
  padding: 0;
}

.content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.content-card-body {
  flex: 1;
}

.content-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.content-card-text {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.content-card-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
}

.content-card-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 4px;
}

.badge-active {
  background: rgba(40, 167, 69, 0.1);
  color: var(--success);
}

.badge-inactive {
  background: rgba(142, 149, 165, 0.1);
  color: var(--text-muted);
}

/* ─── Dashboard ─── */
.dashboard-header {
  padding: 20px 0 16px;
}

.dashboard-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: box-shadow 0.2s;
}

.stat-card:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.stat-card-green { border-left: 3px solid var(--success); }
.stat-card-blue { border-left: 3px solid var(--primary); }
.stat-card-orange { border-left: 3px solid var(--warning); }
.stat-card-red { border-left: 3px solid var(--danger); }

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .header {
    padding: 12px 16px;
  }
  .tabs {
    padding: 0 16px;
  }
  .tab-content {
    padding: 0 16px 24px;
  }
  .sub-tabs {
    padding: 16px 16px 8px;
  }
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .user-info {
    grid-template-columns: 1fr;
  }
  .content-card {
    flex-direction: column;
  }
}