/**
 * VoiceFlow - Light Minimalist Theme
 * A clean, professional design system for voice research platform
 */

/* ============================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Primary Colors - Electric Blue (amplifi brand) */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  /* calm-blue */
  /* Main Brand Color */
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  /* Main Brand Color */
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Neutral Colors - Cool Grays */
  --neutral-50: #f8fafc;
  /* soft-gray */
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  /* Secondary Accent - Warm Coral/Orange */
  --accent-50: #fff7ed;
  --accent-100: #ffedd5;
  --accent-500: #f97316;
  --accent-600: #ea580c;

  /* Semantic Colors */
  --success-light: #dcfce7;
  --success: #22c55e;
  --success-dark: #15803d;

  --warning-light: #fef3c7;
  --warning: #f59e0b;
  --warning-dark: #b45309;

  --error-light: #fee2e2;
  --error: #ef4444;
  --error-dark: #b91c1c;

  --info-light: #e0f2fe;
  --info: #0ea5e9;
  --info-dark: #0369a1;

  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  /* Soft Gray */
  --bg-tertiary: #f1f5f9;
  --bg-hover: #f8fafc;
  --bg-active: #eff6ff;

  /* Text Colors */
  --text-primary: #0f172a;
  /* Deep Navy */
  --text-secondary: #475569;
  /* Cool Gray */
  --text-tertiary: #94a3b8;
  --text-disabled: #cbd5e1;
  --text-inverse: #ffffff;

  /* Border Colors */
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-dark: #94a3b8;

  /* Shadow System */
  --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);
  --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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Playfair Display', serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   BASE STYLES & RESETS
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-semibold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin: 0;
}

h1 {
  font-size: var(--text-4xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-3xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  margin: 0;
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

/* ============================================
   BUTTON SYSTEM
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: 1;
  border: none;
  border-radius: 50px;
  /* Pill shape for modern feel */
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Button Variants */
.btn-primary {
  background: var(--primary-500);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-600);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--border-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

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

/* ============================================
   CARD SYSTEM
   ============================================ */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--primary-200);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--border-light);
  background: var(--bg-secondary);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

/* ============================================
   BADGE & STATUS
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  text-transform: capitalize;
}

.badge-primary {
  background: var(--primary-100);
  color: var(--primary-700);
}

.badge-success {
  background: var(--success-light);
  color: var(--success-dark);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning-dark);
}

.badge-error {
  background: var(--error-light);
  color: var(--error-dark);
}

.badge-neutral {
  background: var(--neutral-100);
  color: var(--neutral-700);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.mt-4 {
  margin-top: var(--space-4);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.w-full {
  width: 100%;
}

.hidden {
  display: none;
}

.font-serif {
  font-family: var(--font-serif);
}

.text-accent {
  color: var(--accent-600);
}

.bg-accent {
  background-color: var(--accent-500);
  color: white;
}

/* ============================================
   ANIMATIONS
   ============================================ */
/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.4s ease-out forwards;
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
  }

  50% {
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
  }
}

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

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-6px);
  }
}

.float {
  animation: float 4s ease-in-out infinite;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: white;
  border-left: 4px solid var(--primary-500);
  padding: 16px 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  animation-fill-mode: forwards;
}

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

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

.toast.toast-info {
  border-color: var(--info);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================
   APP SHELL LAYOUT
   ============================================ */
.app-container,
.dashboard-container {
  display: flex;
  height: 100vh;
  background-color: var(--bg-secondary);
}

.sidebar {
  width: 280px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  height: 100vh;
  z-index: var(--z-fixed);
  flex-shrink: 0;
}

.sidebar-header,
.logo-section {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.logo {
  font-size: 2rem;
  margin-bottom: var(--space-2);
}

.logo-text {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.nav-menu {
  flex: 1;
  padding: var(--space-4) 0;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.7rem;
  font-weight: var(--font-bold);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-6);
  margin-top: var(--space-4);
}

.nav-item {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-6);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
  cursor: pointer;
  text-decoration: none;
  font-size: var(--text-base);
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--primary-600);
  text-decoration: none;
}

.nav-item.active {
  background: var(--primary-50);
  color: var(--primary-600);
  border-left-color: var(--primary-500);
  font-weight: var(--font-medium);
}

.nav-item-icon,
.nav-icon {
  width: 20px;
  height: 20px;
  margin-right: var(--space-3);
  opacity: 0.7;
}

.nav-item.active .nav-item-icon,
.nav-item.active .nav-icon {
  opacity: 1;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: var(--bg-secondary);
  position: relative;
  padding: var(--space-8);
}

.content-header,
.header {
  padding: var(--space-6) var(--space-8);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
}

.content-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-8);
}

iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* User Section in Sidebar */
.user-section {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-light);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-semibold);
}

.user-details {
  flex: 1;
  overflow: hidden;
}

.user-name {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-org {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

/* ============================================
   DASHBOARD COMPONENTS
   ============================================ */

/* Quick Actions Grid */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.action-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
  display: block;
}

.action-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.action-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
  display: block;
}

.action-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.action-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Templates Grid */
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.template-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.template-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.template-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.template-icon {
  font-size: 2rem;
}

.template-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.template-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.template-meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.template-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.template-meta-item svg {
  flex-shrink: 0;
}

/* Sessions List */
.sessions-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.session-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.session-item:hover {
  border-color: var(--primary-300);
  background: var(--neutral-50);
}

.session-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-2);
}

.session-title {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.session-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
}

.session-details {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-6);
  color: var(--text-tertiary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-3);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state-desc {
  font-size: var(--text-base);
  color: var(--text-tertiary);
}

/* Section Headers */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

.section-action {
  color: var(--primary-600);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: color var(--transition-fast);
}

.section-action:hover {
  color: var(--primary-700);
}

/* ============================================
   RESPONSIVE LAYOUT
   ============================================ */
@media (max-width: 768px) {

  .dashboard-container,
  .app-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }

  .main-content {
    margin-left: 0;
    width: 100%;
    padding: var(--space-4);
  }

  .quick-actions {
    grid-template-columns: 1fr;
  }

  .templates-grid {
    grid-template-columns: 1fr;
  }
}