/* Think Link AI Interpreter - Main Styles */
/* Based on Think Link Design System */

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Custom Properties based on Design Tokens */
:root {
  /* Colors - Primary */
  --color-primary-50: #EFF6FF;
  --color-primary-100: #DBEAFE;
  --color-primary-200: #BFDBFE;
  --color-primary-300: #93C5FD;
  --color-primary-400: #60A5FA;
  --color-primary-500: #3B82F6;
  --color-primary-600: #2563EB;
  --color-primary-700: #1D4ED8;
  --color-primary-800: #1E40AF;
  --color-primary-900: #1E3A8A;

  /* Colors - Secondary */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #06B6D4;

  /* Colors - Neutral */
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1E293B;
  --color-gray-900: #0F172A;

  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;

  /* Font Sizes */
  --font-size-caption: 12px;
  --font-size-small: 14px;
  --font-size-base: 16px;
  --font-size-large: 18px;
  --font-size-h3: 20px;
  --font-size-h2: 24px;
  --font-size-h1: 30px;
  --font-size-display-medium: 36px;
  --font-size-display-large: 48px;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  /*--radius-full: 50%;*/

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Component Heights */
  --button-height-sm: 32px;
  --button-height-md: 40px;
  --button-height-lg: 48px;
  --input-height: 40px;
  /* Header Heights per style guide */
  --header-height-desktop: 64px;
  --header-height-mobile: 56px;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-white) 100%);
}

.auth-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 400px;
}

.dashboard-container {
  min-height: 100vh;
  background: var(--color-gray-50);
}

/* Header/Navigation */
.header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1100;
  min-height: var(--header-height-desktop);
  display: flex;
  align-items: center;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: var(--header-height-desktop);
}

.logo {
  font-size: var(--font-size-h2);
  font-weight: 600;
  color: var(--color-primary-600);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

/* Responsive logo image */
.logo img {
  display: block;
  height: 32px;
  width: auto;
}

@media (min-width: 768px) {
  .logo img {
    height: 36px;
  }
}

/* Larger logo treatment within auth cards */
.auth-card .logo img {
  height: 40px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-gray-600);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  padding: 8px 16px;
  border-radius: 6px;
  height: 40px;
  display: inline-flex;
  align-items: center;
}

.nav-link:hover {
  color: var(--color-gray-900);
  background: var(--color-gray-50);
}

.nav-link.active {
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  font-weight: 600;
}

/* Mobile toggle (hamburger) */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.nav-toggle:hover { background: var(--color-gray-50); }

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-gray-700);
  position: relative;
}
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--color-gray-700);
}
.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-small);
}

.form-input {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--spacing-md);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  color: var(--color-gray-900);
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--color-white);
}

.form-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.success {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-error.show {
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--button-height-md);
  padding: 0 var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-primary {
  background: var(--color-primary-600);
  color: var(--color-white);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-700);
}

.btn-primary:active {
  background: var(--color-primary-800);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary-600);
  border: 1px solid var(--color-primary-600);
  box-shadow: none;
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-primary-50);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-700);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-gray-50);
}

.btn-small {
  height: var(--button-height-sm);
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-small);
}

.btn-large {
  height: var(--button-height-lg);
  padding: 0 var(--spacing-xl);
  font-size: var(--font-size-large);
}

.btn-full {
  width: 100%;
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  padding: var(--spacing-lg);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}

.card-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-200);
}

.card-title {
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-xs);
}

.card-description {
  color: var(--color-gray-600);
  font-size: var(--font-size-small);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.block { display: block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Status Indicators */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-small);
  font-weight: 500;
}

.status-connected {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.status-disconnected {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.status-processing {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary-600);
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-200);
  border-radius: 50%;
  border-top-color: var(--color-primary-600);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .auth-card {
    margin: var(--spacing-md);
    padding: var(--spacing-lg);
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-menu { gap: var(--spacing-md); }
}

/* Responsive navbar behavior (tablet and below) */
@media (max-width: 1024px) {
  .header { min-height: var(--header-height-mobile); }
  .nav { min-height: var(--header-height-mobile); position: relative; }
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-base);
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  .nav-menu.open { display: flex; }
  .nav-menu .btn { width: 100%; justify-content: center; }
  #userGreeting { order: -1; color: var(--color-gray-600); }
  .nav-link { height: 44px; }
}

/* Focus States for Accessibility */
.btn:focus-visible,
.form-input:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--color-primary-600);
  outline-offset: 2px;
}

/* High Contrast Support */
@media (prefers-contrast: high) {
  :root {
    --color-gray-50: #FFFFFF;
    --color-gray-200: #000000;
  }
}

/* Modal Styles - Think Link Design System */
.modal {
  z-index: 1400;
}

.modal-backdrop {
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
}

.modal-dialog {
  margin: var(--spacing-2xl) auto;
  max-width: 500px;
}

.modal-content {
  background: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.modal-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing-lg);
}

.modal-title {
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0;
  line-height: 1.3;
}

.modal-body {
  padding: var(--spacing-lg);
  color: var(--color-gray-700);
  line-height: 1.6;
}

.modal-footer {
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
  padding: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

.btn-close {
  background: none;
  border: none;
  color: var(--color-gray-500);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.7;
  padding: 0;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.btn-close:hover {
  opacity: 1;
}

.btn-close:focus {
  outline: 2px solid var(--color-primary-600);
  outline-offset: 2px;
  opacity: 1;
}

/* Success Modal Specific Styles */
.modal-success .modal-header {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.1) 100%);
  border-bottom-color: rgba(16, 185, 129, 0.2);
}

.modal-success .modal-title {
  color: var(--color-success);
}

.modal-success-icon {
  color: var(--color-success);
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

/* Notification Styles - Think Link Design System */
.notification {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1700;
  min-width: 320px;
  max-width: 480px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-gray-300);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  animation: slideInRight 0.3s ease-out;
}

.notification.notification-success {
  border-left-color: var(--color-success);
}

.notification.notification-error {
  border-left-color: var(--color-error);
}

.notification.notification-warning {
  border-left-color: var(--color-warning);
}

.notification.notification-info {
  border-left-color: var(--color-primary-600);
}

.notification-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xs);
}

.notification-title {
  font-weight: 600;
  font-size: var(--font-size-small);
  color: var(--color-gray-900);
  margin: 0;
}

.notification-close {
  background: none;
  border: none;
  color: var(--color-gray-500);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.notification-close:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.notification-message {
  font-size: var(--font-size-small);
  color: var(--color-gray-600);
  line-height: 1.5;
  margin: 0;
}

/* Confirmation Dialog Styles */
.confirmation-dialog {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.confirmation-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
  width: 100%;
  overflow: hidden;
}

.confirmation-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
}

.confirmation-title {
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0;
}

.confirmation-body {
  padding: var(--spacing-lg);
  color: var(--color-gray-700);
  line-height: 1.6;
}

.confirmation-footer {
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* Animations */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.notification.notification-exit {
  animation: slideOutRight 0.3s ease-in forwards;
}

/* Mobile Responsiveness for Dialogs */
@media (max-width: 768px) {
  .modal-dialog {
    margin: var(--spacing-md);
    max-width: none;
  }
  
  .notification {
    top: var(--spacing-md);
    right: var(--spacing-md);
    left: var(--spacing-md);
    min-width: auto;
    max-width: none;
  }
  
  .confirmation-dialog {
    padding: var(--spacing-md);
  }
}

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

/* Simple Bars (Analytics) */
.bars {
  display: grid;
  gap: var(--spacing-sm);
}

.bar-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 2px 0;
}

.bar-label {
  width: 96px;
  color: var(--color-gray-700);
  font-size: var(--font-size-small);
}

.bar {
  position: relative;
  flex: 1;
  height: 10px;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: 9999px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  background: var(--color-primary-600);
  border-radius: inherit;
}

.bar.bar-muted span {
  background: var(--color-gray-400);
}

/* Dialpad Page Styles */
.dialpad-phone-input {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--spacing-sm);
}

.dialpad-phone-input .dialpad-prefix {
  color: var(--color-gray-600);
  font-weight: 600;
}

.dialpad-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.dialpad-key {
  background: var(--color-white);
  color: var(--color-gray-900);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  height: 64px;
  font-size: 22px;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: background 0.2s ease, transform 0.05s ease;
}

.dialpad-key span {
  font-size: 10px;
  color: var(--color-gray-500);
  margin-top: -2px;
}

.dialpad-key:hover {
  background: var(--color-gray-50);
}

.dialpad-key:active {
  transform: translateY(1px);
}

.dialpad-permissions .status-indicator {
  padding: 0 var(--spacing-sm);
}

@media (max-width: 768px) {
  .dialpad-key { height: 56px; }
}

/* Call Stats - Dialpad */
.call-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-md);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.call-stats .stat {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.call-stats .stat-label {
  font-size: var(--font-size-small);
  color: var(--color-gray-600);
}

.call-stats .stat-value {
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-gray-900);
}

.call-stats .stat-subtle {
  font-size: var(--font-size-small);
  color: var(--color-gray-500);
}

@media (max-width: 768px) {
  .call-stats {
    grid-template-columns: 1fr;
  }
}