/* ============= ENHANCED AUTHENTICATION SYSTEM THEME ============= */

/* Import Google Fonts for better typography */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

/* Enhanced CSS Custom Properties */
:root {
  /* Light Theme Colors (unchanged - keeping them good as they are) */
  --primary-color: #6366f1;
  --primary-hover: #5856f0;
  --secondary-color: #8b5cf6;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --info-color: #06b6d4;

  /* Light Theme Backgrounds */
  --bg-color: #f8fafc;
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --card-bg: #ffffff;
  --card-secondary-bg: #f1f5f9;
  --navbar-bg: linear-gradient(135deg, #1e293b 0%, #334155 100%);

  /* Light Theme Text */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-white: #ffffff;

  /* Light Theme Borders & Shadows */
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Light Theme Form Elements */
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --input-focus: #6366f1;
  --input-focus-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

/* Dark Theme Variables - BLACK AND DARK COMBINATIONS */
[data-theme="dark"] {
  /* Dark Theme Colors */
  --primary-color: #7c3aed;
  --primary-hover: #6d28d9;
  --secondary-color: #06b6d4;
  --success-color: #059669;
  --warning-color: #d97706;
  --danger-color: #dc2626;
  --info-color: #0284c7;

  /* Dark Theme Backgrounds - Pure Black and Dark */
  --bg-color: #000000;
  --bg-gradient: linear-gradient(135deg, #000000 0%, #111111 100%);
  --card-bg: #111111;
  --card-secondary-bg: #1a1a1a;
  --navbar-bg: #000000;

  /* Dark Theme Text */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-white: #ffffff;

  /* Dark Theme Borders & Shadows */
  --border-color: #262626;
  --border-light: #404040;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.8);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.8), 0 2px 4px -2px rgb(0 0 0 / 0.8);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.8),
    0 4px 6px -4px rgb(0 0 0 / 0.8);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.8),
    0 8px 10px -6px rgb(0 0 0 / 0.8);

  /* Dark Theme Form Elements */
  --input-bg: #1a1a1a;
  --input-border: #404040;
  --input-focus: #7c3aed;
  --input-focus-shadow: 0 0 0 3px rgb(124 58 237 / 0.3);
}

/* ============= BASE STYLES ============= */

* {
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  font-weight: 400;
  line-height: 1.6;
  background: var(--bg-color);
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Background with Gradient */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-gradient);
  opacity: 0.03;
  z-index: -1;
  pointer-events: none;
}

/* ============= CARD COMPONENTS ============= */

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.card-header {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: var(--text-white);
  border: none;
  border-radius: 16px 16px 0 0 !important;
  padding: 1.5rem;
  font-weight: 600;
  font-size: 1.125rem;
  position: relative;
  overflow: hidden;
}

.card-body {
  padding: 2rem;
  background: var(--card-bg);
  color: var(--text-primary);
}

/* Special Card Variants */
.card.border-success {
  border-color: var(--success-color);
  box-shadow: 0 0 0 1px var(--success-color), var(--shadow-md);
}

.card.border-warning {
  border-color: var(--warning-color);
  box-shadow: 0 0 0 1px var(--warning-color), var(--shadow-md);
}

/* ============= BUTTON COMPONENTS ============= */

.btn {
  font-family: inherit;
  font-weight: 500;
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  font-size: 0.925rem;
  border: 2px solid transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-color: var(--primary-color);
  color: var(--text-white);
}

.btn-primary:hover {
  background: linear-gradient(
    135deg,
    var(--primary-hover),
    var(--primary-color)
  );
  border-color: var(--primary-hover);
  box-shadow: 0 8px 25px -8px var(--primary-color);
}

/* Success Button */
.btn-success {
  background: linear-gradient(135deg, var(--success-color), #047857);
  border-color: var(--success-color);
  color: var(--text-white);
}

.btn-success:hover {
  background: linear-gradient(135deg, #047857, #065f46);
  box-shadow: 0 8px 25px -8px var(--success-color);
}

/* Warning Button */
.btn-warning {
  background: linear-gradient(135deg, var(--warning-color), #b45309);
  border-color: var(--warning-color);
  color: var(--text-white);
}

.btn-warning:hover {
  background: linear-gradient(135deg, #b45309, #92400e);
  box-shadow: 0 8px 25px -8px var(--warning-color);
}

/* Danger Button */
.btn-danger {
  background: linear-gradient(135deg, var(--danger-color), #b91c1c);
  border-color: var(--danger-color);
  color: var(--text-white);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #b91c1c, #991b1b);
  box-shadow: 0 8px 25px -8px var(--danger-color);
}

/* Info Button */
.btn-info {
  background: linear-gradient(135deg, var(--info-color), #0369a1);
  border-color: var(--info-color);
  color: var(--text-white);
}

.btn-info:hover {
  background: linear-gradient(135deg, #0369a1, #075985);
  box-shadow: 0 8px 25px -8px var(--info-color);
}

/* Outline Buttons */
.btn-outline-secondary {
  border-color: var(--border-color);
  color: var(--text-secondary);
  background: transparent;
}

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

.btn-outline-light {
  border-color: var(--border-light);
  color: var(--text-white);
}

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

/* ============= FORM COMPONENTS ============= */

.form-control,
.form-select {
  background: var(--input-bg);
  border: 2px solid var(--input-border);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  font-size: 0.925rem;
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--input-focus);
  box-shadow: var(--input-focus-shadow);
  outline: none;
  background: var(--input-bg);
  color: var(--text-primary);
}

.form-control::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

.form-label {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 0.925rem;
}

/* ============= NAVBAR COMPONENT ============= */

.navbar {
  background: var(--navbar-bg) !important;
  box-shadow: var(--shadow-lg);
  border: none;
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-white) !important;
}

.navbar-text {
  color: var(--text-white) !important;
  font-weight: 500;
}

/* ============= ALERT COMPONENTS ============= */

.alert {
  border: none;
  border-radius: 12px;
  padding: 1rem 1.25rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  border-left: 4px solid;
  position: relative;
  overflow: hidden;
}

.alert-success {
  background: rgba(5, 150, 105, 0.1);
  color: var(--success-color);
  border-left-color: var(--success-color);
  animation: slideInRight 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.alert-danger {
  background: rgba(220, 38, 38, 0.1);
  color: var(--danger-color);
  border-left-color: var(--danger-color);
  animation: shake 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.alert-warning {
  background: rgba(217, 119, 6, 0.1);
  color: var(--warning-color);
  border-left-color: var(--warning-color);
  animation: slideInDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.alert-info {
  background: rgba(2, 132, 199, 0.1);
  color: var(--info-color);
  border-left-color: var(--info-color);
  animation: slideInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode alert adjustments */
[data-theme="dark"] .alert-success {
  background: rgba(5, 150, 105, 0.15);
}

[data-theme="dark"] .alert-danger {
  background: rgba(220, 38, 38, 0.15);
}

[data-theme="dark"] .alert-warning {
  background: rgba(217, 119, 6, 0.15);
}

[data-theme="dark"] .alert-info {
  background: rgba(2, 132, 199, 0.15);
}

/* ============= THEME TOGGLE ============= */

.form-check-input {
  width: 3rem;
  height: 1.5rem;
  border-radius: 2rem;
  border: 2px solid var(--border-color);
  background: var(--input-bg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.form-check-input:checked {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-color: var(--primary-color);
}

.form-check-input:focus {
  box-shadow: var(--input-focus-shadow);
  border-color: var(--input-focus);
}

.form-check-label {
  cursor: pointer;
  user-select: none;
  margin-left: 0.5rem;
  font-weight: 500;
  transition: all 0.3s ease;
  color: var(--text-white);
}

#themeIcon {
  font-size: 1.1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============= BADGES ============= */

.badge {
  font-weight: 500;
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  letter-spacing: 0.025em;
}

.badge.bg-success {
  background: linear-gradient(135deg, var(--success-color), #047857) !important;
}

.badge.bg-warning {
  background: linear-gradient(135deg, var(--warning-color), #b45309) !important;
  color: var(--text-white) !important;
}

.badge.bg-danger {
  background: linear-gradient(135deg, var(--danger-color), #b91c1c) !important;
}

/* ============= DARK MODE SCROLLBAR ============= */

[data-theme="dark"] body::-webkit-scrollbar {
  width: 12px;
}

[data-theme="dark"] body::-webkit-scrollbar-track {
  background: #000000;
}

[data-theme="dark"] body::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #262626, #404040);
  border-radius: 10px;
  border: 3px solid #000000;
}

[data-theme="dark"] body::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #404040, #525252);
}

/* ============= ANIMATIONS ============= */

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-8px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(8px);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Page Load Animation */
.container {
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============= RESPONSIVE DESIGN ============= */

@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .card-body {
    padding: 1.5rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 576px) {
  .card {
    border-radius: 12px;
    margin: 0.5rem;
  }

  .card-header {
    padding: 1rem;
    border-radius: 12px 12px 0 0 !important;
  }
}

/* ============= ACCESSIBILITY ============= */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus indicators */
.btn:focus,
.form-control:focus,
.form-select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Add this to your existing CSS */

/* Prevent theme toggle flash */
.form-check-input {
  width: 3rem;
  height: 1.5rem;
  border-radius: 2rem;
  border: 2px solid var(--border-color);
  background: var(--input-bg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  /* Prevent flash during load */
  opacity: 0;
  animation: fadeInToggle 0.3s ease-in-out 0.1s forwards;
}

@keyframes fadeInToggle {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Enhanced Icon Toggle Styling */
#themeIcon {
  font-size: 1.1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
  width: 1.2rem;
  height: 1.2rem;
  text-align: center;
}

/* Prevent icon flash during load */
.form-check-input {
  width: 3rem;
  height: 1.5rem;
  border-radius: 2rem;
  border: 2px solid var(--border-color);
  background: var(--input-bg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.form-check-input:checked {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-color: var(--primary-color);
}

.form-check-label {
  cursor: pointer;
  user-select: none;
  margin-left: 0.5rem;
  font-weight: 500;
  transition: all 0.3s ease;
  color: var(--text-white);
}

/* Force icon color to be white in navbar */
[data-theme="dark"] #themeIcon,
[data-theme="light"] #themeIcon {
  color: white !important;
}
/* API Key Management Styles */
.border-left-primary {
  border-left: 4px solid var(--primary-color) !important;
}

.card .btn-group .btn {
  font-size: 0.8rem;
  padding: 0.375rem 0.75rem;
}

.font-monospace {
  font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace !important;
}

/* Status badges */
.badge.bg-success {
  background-color: var(--success-color) !important;
}

.badge.bg-danger {
  background-color: var(--danger-color) !important;
}

/* API key card hover effect */
.card:hover {
  transform: translateY(-2px);
  transition: all 0.3s ease;
}

/* Button group spacing */
.btn-group .btn + .btn {
  margin-left: -1px;
}

/* Loading state */
.spinner-border {
  width: 2rem;
  height: 2rem;
}

/* Voice Preview Styling */
.input-group .btn {
    border-left: none;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group .form-select {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

#playVoiceBtn:disabled {
    cursor: not-allowed;
}

#playVoiceBtn .fas {
    margin-right: 0.25rem;
}

/* Voice preview animations */
.btn-outline-primary:hover {
    transform: translateY(-1px);
}

.btn-outline-danger:hover {
    transform: translateY(-1px);
}

/* Voice info styling */
#voiceInfo .badge {
    font-size: 0.75rem;
}

/* Audio player styling */
#voicePlayer {
    width: 100%;
    max-width: 400px;
}

/* Loading animation for voice preview */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.generating-audio #playIcon {
    animation: pulse 1s infinite;
}