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

:root {
  /* Default Dark Theme Palette */
  --surface-bg: #0F172A;       /* Slate 900 */
  --card-bg: #1E293B;          /* Slate 800 */
  --card-bg-hover: #26334d;    
  --border-color: #334155;     /* Slate 700 */
  
  --accent-color: #2563EB;     /* Royal Blue */
  --accent-hover: #1D4ED8;     /* Dark Royal Blue */

  --text-main: #F8FAFC;        /* Slate 50 */
  --text-muted: #94A3B8;       /* Slate 400 */

  --folder-color: #F59E0B;     /* Amber Gold */
  --success-color: #16A34A;    /* Emerald Green */
  --warning-color: #DC2626;    /* Crimson Red */

  --font-sans: -apple-system, Inter, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;

  --radius-lg: 8px;
  --radius-md: 6px;
  --radius-sm: 4px;

  --transition-fast: all 0.12s ease-in-out;
}

/* Light Theme Support via ?theme=light */
body.theme-light {
  --surface-bg: #F8FAFC;       /* Slate 50 */
  --card-bg: #FFFFFF;          /* Pure White */
  --card-bg-hover: #F1F5F9;    /* Slate 100 */
  --border-color: #CBD5E1;     /* Slate 300 */
  
  --text-main: #0F172A;        /* Slate 900 */
  --text-muted: #64748B;       /* Slate 500 */
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
}

body {
  background-color: var(--surface-bg);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

code, .font-mono {
  font-family: var(--font-mono);
}

.hidden { display: none !important; }

/* SVG Icon Helper */
.icon {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: inline-block;
  vertical-align: middle;
}

.icon-sm { width: 16px; height: 16px; }
.icon-md { width: 20px; height: 20px; }
.icon-lg { width: 24px; height: 24px; }

.icon-folder { color: var(--folder-color); }

/* Flat Corporate Login Container */
#login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.brand-header {
  text-align: center;
  margin-bottom: 28px;
}

.brand-logo-box {
  width: 48px;
  height: 48px;
  background: var(--accent-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: #ffffff;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.brand-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 14px;
  transition: var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-color);
  background: var(--surface-bg);
}

/* Flat Corporate Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

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

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

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-main);
  border-color: var(--border-color);
}

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

.btn-danger {
  background: rgba(220, 38, 38, 0.15);
  color: #fca5a5;
  border-color: var(--warning-color);
}

.btn-danger:hover {
  background: var(--warning-color);
  color: #ffffff;
}

.btn-block {
  width: 100%;
}

/* Application Layout */
#app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 250px;
  background: #090d16;
  border-right: 1px solid var(--border-color);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 50;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 6px 18px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 18px;
}

.sidebar-logo {
  width: 32px;
  height: 32px;
  background: var(--accent-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active {
  background: var(--accent-color);
  color: #ffffff;
  font-weight: 600;
}

.sidebar-footer {
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.user-profile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
}

.user-role {
  font-size: 11px;
  color: var(--text-muted);
}

/* Main Content Area */
.main-content {
  margin-left: 250px;
  flex: 1;
  padding: 28px 36px;
  max-width: 1400px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-main);
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-val {
  font-size: 26px;
  font-weight: 700;
  margin-top: 2px;
  color: var(--text-main);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

/* Enterprise Data Tables */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}

.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.table th {
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-bg);
}

.table td {
  padding: 12px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Flat Corporate Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-active { background: rgba(22, 163, 74, 0.15); color: #4ade80; border: 1px solid var(--success-color); }
.badge-inactive { background: rgba(220, 38, 38, 0.15); color: #fca5a5; border: 1px solid var(--warning-color); }
.badge-role { background: rgba(37, 99, 235, 0.15); color: #93c5fd; border: 1px solid var(--accent-color); }
.badge-scope { background: rgba(2, 132, 199, 0.15); color: #7dd3fc; border: 1px solid #0284c7; }

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}
.status-dot-active { background-color: var(--success-color); }
.status-dot-inactive { background-color: var(--warning-color); }

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 440px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover { background: rgba(255, 255, 255, 0.08); color: var(--text-main); }

/* Checkbox Grid */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 6px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--surface-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
}

.checkbox-label input {
  accent-color: var(--accent-color);
  width: 14px;
  height: 14px;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  min-width: 260px;
}

.toast-success { border-left: 4px solid var(--success-color); }
.toast-error { border-left: 4px solid var(--warning-color); }