/* Custom CSS Variables & Premium Palette */
:root {
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --bg-app: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --border-card: rgba(255, 255, 255, 0.08);
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #06b6d4;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #cbd5e1;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-lg: 16px;
  --radius-md: 10px;
}

/* Base resets & styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background Ambient Glows */
body::before {
  content: '';
  position: fixed;
  top: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  bottom: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* App Container */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* App Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 24px;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  margin-bottom: 30px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
}

.logo i {
  font-size: 1.6rem;
}

.text-gradient {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid var(--border-card);
  font-size: 0.9rem;
}

.user-badge i {
  color: var(--color-primary);
  font-size: 1.1rem;
}

.role-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  padding: 2px 8px;
  border-radius: 20px;
}

/* Screens Wrapper */
.main-content {
  flex-grow: 1;
  position: relative;
}

.screen {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.screen.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Glassmorphism Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  padding: 30px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

/* Auth Specific Cards */
.auth-card {
  max-width: 450px;
  margin: 40px auto;
  text-align: center;
}

.auth-icon-wrapper {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.auth-card h2 {
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 1.8rem;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

/* Buttons */
.btn {
  font-family: var(--font-family);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.btn-link {
  background: none;
  color: var(--color-primary);
  border: none;
  padding: 0;
  font-size: 0.9rem;
  text-decoration: underline;
  cursor: pointer;
}

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

/* Form Inputs */
.input-group {
  margin-bottom: 20px;
  text-align: left;
}

.input-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-light);
}

.input-group input,
.input-group select {
  width: 100%;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-card);
  color: var(--text-main);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: var(--transition);
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Divider & Simulator helpers */
.divider-text {
  display: flex;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin: 25px 0 15px;
}

.divider-text::before,
.divider-text::after {
  content: "";
  flex-grow: 1;
  height: 1px;
  background: var(--border-card);
}

.divider-text::before {
  margin-right: 10px;
}

.divider-text::after {
  margin-left: 10px;
}

.dev-login-helper {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  padding: 15px;
  margin-top: 20px;
}

/* Alert Boxes */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.9rem;
  text-align: left;
}

.alert-info {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: #a5f3fc;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #fef3c7;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #d1fae5;
}

/* OTP Form styling */
.otp-inputs {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 24px 0;
}

.otp-field {
  width: 50px;
  height: 55px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  background: rgba(15, 23, 42, 0.6);
  border: 2px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-main);
  transition: var(--transition);
}

.otp-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.resend-wrapper {
  margin-top: 20px;
  font-size: 0.9rem;
}

/* Grid system */
.grid {
  display: grid;
  gap: 24px;
}

@media(min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* Dashboard screen specific styles */
.dashboard-header {
  margin-bottom: 30px;
}

.profile-details {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.profile-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.badge-admin {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.divider {
  border: none;
  height: 1px;
  background: var(--border-card);
  margin: 20px 0;
}

.biometric-setup-section {
  margin-top: 15px;
}

.biometric-setup-section h4 {
  margin-bottom: 8px;
  font-weight: 600;
}

/* Modal styling */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 30px;
  max-width: 450px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-backdrop.active .modal {
  transform: scale(1);
}

.user-form-modal-content {
  text-align: left;
  max-width: 500px;
}

.modal-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 16px;
}

.modal-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 15px 0;
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* Tabs & Table */
.tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-card);
  padding-bottom: 10px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 16px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

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

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

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -11px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
}

.tab-content {
  display: none;
}

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

.table-card {
  padding: 0;
  overflow: hidden;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

th, td {
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

th {
  background: rgba(255, 255, 255, 0.02);
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.01);
}

.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }

/* CRUD headers */
.crud-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 30px;
}

/* Animations */
@keyframes pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.pulse-animation {
  animation: pulse 2s infinite;
}

@keyframes pulseBiometric {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 12px rgba(59, 130, 246, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.pulse-biometric {
  animation: pulseBiometric 1.8s infinite;
}

/* Toast Notification styling */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: rgba(30, 41, 59, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(10px);
}

.toast.show {
  transform: translateX(0);
}

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

/* Flex/helpers */
.flex-row { display: flex; align-items: center; }
.flex-column { display: flex; flex-direction: column; }
.gap-2 { gap: 10px; }
.gap-3 { gap: 15px; }
.text-sm { font-size: 0.85rem; color: var(--text-muted); }
.text-light { color: var(--text-light); }
.btn-group-sm { display: flex; gap: 8px; }
.json-preview {
  font-family: monospace;
  font-size: 0.75rem;
  background: rgba(15, 23, 42, 0.8);
  padding: 8px;
  border-radius: 4px;
  white-space: pre-wrap;
  max-width: 250px;
  max-height: 150px;
  overflow: auto;
}
.nowrap {
  white-space: nowrap;
}