/* ===========================================================
   SaaSLTE — Modern SaaS Theme
   - Clean, Minimal, Professional
   - Dark Blue Primary, Inter Font
   =========================================================== */

/* ---- Design Tokens ---- */
:root {
  /* Colors */
  --primary: #111827;       /* Dark Blue */
  --primary-hover: #1F2937;
  --secondary: #FFFFFF;
  --secondary-border: #D1D5DB;
  --secondary-text: #374151;
  
  /* Semantic Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;

  /* Neutrals */
  --bg-body: #F3F4F6;       /* Light Gray Background */
  --bg-surface: #FFFFFF;    /* White Cards */
  --border-color: #E5E7EB;
  --text-main: #111827;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;

  /* Sidebar */
  --sidebar-bg: #F9FAFB;
  --sidebar-border: #E5E7EB;
  --sidebar-text: #374151;
  --sidebar-active-bg: #E5E7EB;
  --sidebar-active-text: #111827;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Spacing & Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* ---- Global Reset & Typography ---- */
body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.025em;
}

/* ---- Layout Overrides ---- */
.main-header { display: none !important; }
.content-wrapper { 
  background-color: var(--bg-body) !important; 
  margin-top: 0 !important;
  padding-top: 2rem;
}

/* ---- Sidebar ---- */
.main-sidebar {
  background: var(--sidebar-bg) !important;
  border-right: 1px solid var(--sidebar-border);
  box-shadow: none !important;
}

.brand-link {
  border-bottom: 1px solid var(--sidebar-border) !important;
  color: var(--text-main) !important;
  font-weight: 700;
}

.nav-sidebar .nav-link {
  color: var(--sidebar-text) !important;
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.25rem;
}

.nav-sidebar .nav-link:hover {
  background-color: var(--sidebar-active-bg) !important;
  color: var(--sidebar-active-text) !important;
  font-weight: 600;
}

.nav-sidebar .nav-link.active {
  background-color: var(--sidebar-active-bg) !important;
  color: var(--sidebar-active-text) !important;
  font-weight: 600;
}

.nav-sidebar .nav-icon {
  color: var(--text-muted) !important;
}

.nav-sidebar .nav-link.active .nav-icon {
  color: var(--sidebar-active-text) !important;
}

/* ---- Components ---- */

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Buttons */
.btn {
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md); /* Default to soft rounded */
  transition: all 0.2s;
}

.btn-pill {
  border-radius: var(--radius-pill);
}

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

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

.btn-secondary, .btn-default {
  background-color: var(--secondary);
  border-color: var(--secondary-border);
  color: var(--secondary-text);
}

.btn-secondary:hover, .btn-default:hover {
  background-color: #F9FAFB;
  border-color: #9CA3AF;
}

/* Forms */
.form-control {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 0.625rem 0.875rem;
  font-size: 0.95rem;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.1);
}

/* Tables */
.table thead th {
  background-color: #F9FAFB;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
}

.table tbody td {
  padding: 1rem 1.5rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

/* Badges */
.badge {
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.75rem;
}

.badge-success { background-color: #D1FAE5; color: #065F46; }
.badge-warning { background-color: #FEF3C7; color: #92400E; }
.badge-danger { background-color: #FEE2E2; color: #991B1B; }
.badge-info { background-color: #DBEAFE; color: #1E40AF; }

/* Avatars */
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background-color: #E5E7EB;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.avatar-sm { width: 24px; height: 24px; font-size: 0.75rem; }
.avatar-lg { width: 48px; height: 48px; font-size: 1rem; }