/* Gym Partners - Modern Fitness Social App CSS */
/* Enhanced Match App with Advanced Features */

:root {
  /* Primary Brand Colors */
  --primary-50: #f0f4ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --primary-900: #312e81;
  
  /* Brand Colors */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #ec4899;
  --accent-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  
  /* Additional brand color shades */
  --primary-50: #f0f4ff;
  --accent-50: #ecfdf5;
  --secondary-50: #fdf2f8;
  --warning-50: #fffbeb;
  
  /* Brand Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  
  /* Neutral Colors */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* Surface Colors */
  --background: #ffffff;
  --surface: #f8fafc;
  --surface-elevated: #ffffff;
  --border-color: #e2e8f0;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  /* Typography */
  --font-system: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Spacing */
  --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;
  
  /* Shadows */
  --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);
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.25s ease-out;
  --transition-slow: 0.35s ease-out;
}

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

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

body {
  font-family: var(--font-system);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  overflow-x: hidden;
  /* Prevent browser overscroll and navigation gestures */
  overscroll-behavior: none;
  touch-action: pan-y;
}

/* App Container */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  color: white;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.2);
  border-left: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-4);
}

.loading-text {
  font-size: 1.125rem;
  font-weight: var(--font-weight-medium);
  opacity: 0.9;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Screens */
.screen {
  flex: 1;
  display: none;
  padding: var(--space-4);
  padding-bottom: 80px;
  max-width: 100%;
}

.screen.active {
  display: block;
}

/* Auth Screen */
.auth-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--gradient-primary);
  color: white;
  text-align: center;
  padding: var(--space-6);
}

.auth-logo {
  width: 120px;
  height: 120px;
  margin-bottom: var(--space-6);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.auth-logo i {
  font-size: 3rem;
  opacity: 0.9;
}

.auth-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-2);
  line-height: 1.2;
}

.auth-subtitle {
  font-size: 1.125rem;
  opacity: 0.8;
  margin-bottom: var(--space-8);
  max-width: 300px;
}

.auth-container {
  width: 100%;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-2xl);
}

.auth-form {
  display: block;
}

.auth-form.hidden {
  display: none;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
}

.form-help {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  transition: var(--transition-fast);
  background: white;
  color: var(--text-primary);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-200);
  border-color: var(--gray-300);
}

.btn-google {
  background: white;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: 1.125rem;
  width: 100%;
  margin-bottom: var(--space-4);
}

.auth-divider {
  display: flex;
  align-items: center;
  margin: var(--space-6) 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.auth-divider span {
  margin: 0 var(--space-4);
}

.auth-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
}

.auth-link:hover {
  text-decoration: underline;
}

/* Profile Setup Screen */
.profile-setup-screen {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-6);
  padding-bottom: 120px; /* Extra space for bottom nav + buttons */
}

.setup-header {
  text-align: center;
  margin-bottom: var(--space-8);
  position: relative;
}

.profile-setup-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 1.125rem;
  z-index: 10;
}

.profile-setup-close:hover {
  background: var(--gray-200);
  color: var(--text-primary);
}

.setup-title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.setup-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.progress-container {
  background: var(--gray-200);
  height: 8px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
  width: 25%;
}

.progress-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
}

.profile-step {
  display: none;
  animation: slideIn 0.3s ease-out;
}

.profile-step[data-step="1"] {
  display: block;
}

.profile-step.active {
  display: block;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.step-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  text-align: center;
}

.form-grid {
  display: grid;
  gap: var(--space-4);
}

.form-grid-2 {
  grid-template-columns: 1fr 1fr;
}

.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  background: white;
  color: var(--text-primary);
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  background: white;
  color: var(--text-primary);
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.checkbox-group {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-color);
}

.checkbox-item input[type="checkbox"]:checked + label {
  color: var(--primary-color);
  font-weight: var(--font-weight-medium);
}

.checkbox-label {
  font-size: 0.875rem;
  cursor: pointer;
  user-select: none;
}

.range-group {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.range-input {
  flex: 1;
  -webkit-appearance: none;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  outline: none;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
}

.range-value {
  font-weight: var(--font-weight-medium);
  color: var(--primary-color);
  min-width: 40px;
  text-align: center;
}

/* Photo Upload Styles */
.photo-upload-container {
  width: 100%;
}

.photo-upload-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.photo-slot {
  position: relative;
  aspect-ratio: 1;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-fast);
}

.photo-slot label {
  cursor: pointer;
}

.main-photo-slot {
  grid-row: 1 / 3;
  aspect-ratio: 3/4;
}

.photo-slot:hover {
  border-color: var(--primary-color);
  background: var(--primary-50);
}

.photo-slot.has-photo {
  border-style: solid;
  border-color: var(--primary-color);
}

.photo-input {
  display: none;
}

.photo-preview {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: 0.875rem;
  text-align: center;
  padding: var(--space-2);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  cursor: pointer;
  border: none;
  background-color: transparent;
}

.photo-preview.has-image {
  color: transparent;
}

.photo-preview i {
  font-size: 1.5rem;
  opacity: 0.6;
}

.photo-preview span {
  font-weight: var(--font-weight-medium);
}

.photo-upload-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  text-align: center;
  padding: var(--space-1);
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  opacity: 0;
  transition: var(--transition-fast);
}

.photo-slot:hover .photo-upload-label {
  opacity: 1;
}

.photo-help-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-align: center;
  margin: 0;
}

.setup-actions {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-8);
  gap: var(--space-4);
  position: relative;
  z-index: 100;
  background: var(--background);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* Discovery Screen */
.discover-screen {
  position: relative;
  height: 100vh;
  padding: 0;
  overflow: hidden;
  background: var(--surface);
  /* Prevent browser navigation gestures on discover screen */
  touch-action: none;
  overscroll-behavior: none;
}

.discover-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.discover-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  text-align: center;
  color: var(--text-primary);
}

.swipe-area {
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.swipe-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  height: 100%;
  max-height: 600px;
  /* Prevent browser swipe navigation on this container */
  touch-action: none;
  overscroll-behavior: none;
}

/* Profile Cards */
.profile-card {
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--gradient-card);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  cursor: grab;
  user-select: none;
  transition: transform var(--transition-normal);
}

.profile-card:active {
  cursor: grabbing;
}

.card-header {
  position: relative;
  height: 60%;
  overflow: hidden;
}

.profile-photos {
  width: 100%;
  height: 100%;
  position: relative;
}

.main-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.compatibility-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.compatibility-badge i {
  color: var(--secondary-color);
}

.distance-warning {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: rgba(239, 68, 68, 0.9);
  color: white;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-md);
}

.distance-warning i {
  font-size: 0.625rem;
}

.everywhere-indicator {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: rgba(16, 185, 129, 0.9);
  color: white;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-md);
}

.everywhere-indicator i {
  font-size: 0.625rem;
}

.card-content {
  padding: var(--space-5);
  height: 40%;
  overflow-y: auto;
}

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

.basic-info h2 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.age-location {
  font-size: 1rem;
  color: var(--text-secondary);
}

.distance-info {
  font-size: 0.875rem;
  color: var(--primary-color);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.distance-info::before {
  content: "📍";
  font-size: 0.75rem;
}

.out-of-radius-note {
  background: var(--warning-light);
  border: 1px solid var(--warning-color);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-top: var(--space-3);
  font-size: 0.875rem;
  color: var(--warning-color);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.4;
}

.out-of-radius-note i {
  color: var(--warning-color);
  margin-top: 2px;
  flex-shrink: 0;
}

.profile-card.out-of-radius {
  border: 2px solid var(--warning-color);
}

.profile-card.out-of-radius .card-header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-warning);
}

.fitness-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.fitness-level,
.workout-types,
.goals,
.schedule {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.fitness-level .label,
.workout-types .label,
.goals .label,
.schedule .label {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.fitness-level .value {
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  padding: var(--space-1) var(--space-3);
  background: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
}

.goal-tag {
  background: var(--accent-color);
  color: white;
}

.time-tag {
  background: var(--secondary-color);
  color: white;
}

.bio {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.bio p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Card Actions */
.card-actions {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.action-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-lg);
}

.pass-btn {
  background: var(--gradient-danger);
  color: white;
}

.pass-btn:hover {
  transform: scale(1.1);
}

.like-btn {
  background: var(--gradient-success);
  color: white;
}

.like-btn:hover {
  transform: scale(1.1);
}

.super-like-btn {
  background: var(--gradient-warning);
  color: white;
}

.super-like-btn:hover {
  transform: scale(1.1);
}

/* Swipe Indicators */
.swipe-indicators {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 var(--space-6);
  pointer-events: none;
  z-index: 10;
}

.swipe-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition-fast);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.swipe-indicator.active {
  opacity: 1;
  transform: scale(1);
}

.swipe-indicator i {
  font-size: 2rem;
}

.pass-indicator {
  background: rgba(239, 68, 68, 0.9);
  color: white;
}

.like-indicator {
  background: rgba(16, 185, 129, 0.9);
  color: white;
}

/* No More Cards */
.no-more-cards {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: var(--space-8);
}

.no-more-cards .icon {
  width: 100px;
  height: 100px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.no-more-cards .icon i {
  font-size: 2.5rem;
  color: white;
}

.no-more-cards h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.no-more-cards p {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  max-width: 300px;
}

.no-more-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  max-width: 280px;
}

/* Match Modal */
.match-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--space-4);
}

.match-content {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  max-width: 400px;
  width: 100%;
  animation: matchPop 0.5s ease-out;
}

@keyframes matchPop {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.match-celebration {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.match-title {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.match-photos {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.match-photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--primary-color);
}

.match-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.match-compatibility {
  font-size: 1.125rem;
  color: var(--accent-color);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
}

/* Matches Screen */
.matches-screen {
  background: var(--surface);
}

.matches-header {
  padding: var(--space-4);
  background: white;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.matches-title {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  text-align: center;
  color: var(--text-primary);
}

.matches-list {
  padding: var(--space-4);
}

.match-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: white;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-3);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.match-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.match-photo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.match-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.match-info {
  flex: 1;
  min-width: 0;
}

.match-info h4 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.last-message {
  color: var(--text-secondary);
  font-size: 0.875rem;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-1);
}

.match-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.unread-badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: var(--primary-color);
  color: white;
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  min-width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Chat Screen */
.chat-screen {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 0;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: white;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.chat-back-btn {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.chat-back-btn:hover {
  background: var(--gray-100);
}

.chat-partner-photo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
}

.chat-partner-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.chat-partner-info h3 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.messages-container {
  flex: 1;
  padding: var(--space-4);
  padding-bottom: 140px; /* Extra space for fixed input container + bottom nav */
  overflow-y: auto;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.message {
  max-width: 80%;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.message.sent {
  align-self: flex-end;
  align-items: flex-end;
}

.message.received {
  align-self: flex-start;
  align-items: flex-start;
}

.message-content {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-xl);
  font-size: 1rem;
  line-height: 1.5;
  word-wrap: break-word;
}

.message.sent .message-content {
  background: var(--gradient-primary);
  color: white;
  border-bottom-right-radius: var(--radius-md);
}

.message.received .message-content {
  background: white;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-bottom-left-radius: var(--radius-md);
}

.message-time {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 0 var(--space-2);
}

.message-input-container {
  position: fixed;
  bottom: 80px; /* Above bottom nav */
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: white;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
  z-index: 40; /* Below bottom nav but above content */
}

.message-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 1rem;
  resize: none;
  min-height: 44px;
  max-height: 120px;
  font-family: inherit;
  line-height: 1.5;
}

.message-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.send-message-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 1.125rem;
}

.send-message-btn:hover {
  transform: scale(1.05);
}

.send-message-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Enhanced Chat Features */
.chat-partner-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-400);
}

.status-dot.online {
  background: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.chat-options-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.chat-options-btn:hover {
  background: var(--gray-200);
  color: var(--text-primary);
}

/* Workout Quick Actions */
.workout-quick-actions {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--gray-50);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: none;
  background: white;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
  min-width: 80px;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.quick-action-btn:hover {
  background: var(--primary-50);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.quick-action-btn i {
  font-size: 1.25rem;
}

.quick-action-btn span {
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
}

/* Message Templates */
.message-templates {
  position: fixed;
  bottom: 140px; /* Above message input container */
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin: var(--space-4);
  box-shadow: var(--shadow-lg);
  z-index: 60; /* Above message input and bottom nav */
  max-height: 300px;
  overflow-y: auto;
}

.templates-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.templates-header h4 {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.close-templates-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.close-templates-btn:hover {
  background: var(--gray-200);
}

.templates-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  padding: var(--space-4);
}

.template-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: white;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.template-btn:hover {
  background: var(--primary-50);
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.template-btn i {
  font-size: 1.5rem;
}

.template-btn span {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  text-align: center;
}

.message-templates-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: white;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.message-templates-btn:hover {
  background: var(--primary-50);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.message-templates-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

/* Workout Planning Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-4);
}

.modal-content {
  background: white;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.modal-close-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--gray-100);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--gray-200);
}

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

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-top: 1px solid var(--border-color);
}

/* Outline button style */
.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--border-color);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn-outline:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
  color: var(--text-primary);
}

/* Enhanced Message Types */
.message.workout-plan {
  background: var(--primary-50);
  border-left: 4px solid var(--primary-color);
}

.message.workout-invite {
  background: var(--accent-50);
  border-left: 4px solid var(--accent-color);
}

.message.progress-share {
  background: var(--warning-50);
  border-left: 4px solid var(--warning-color);
}

.message.gym-recommendation {
  background: var(--secondary-50);
  border-left: 4px solid var(--secondary-color);
}

.workout-plan-card, .workout-invite-card, .progress-card, .gym-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-top: var(--space-2);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.workout-plan-header, .invite-header, .progress-header, .gym-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.workout-exercises, .invite-details, .progress-stats, .gym-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.exercise-item, .invite-detail, .stat-item, .gym-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.exercise-name, .detail-label, .stat-label, .gym-name {
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.sets-reps, .detail-value, .stat-value, .gym-address {
  color: var(--text-secondary);
}

/* Workout Session Forms */
.workout-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.workout-type-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.workout-type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  background: white;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.workout-type-btn:hover,
.workout-type-btn.selected {
  border-color: var(--primary-color);
  background: var(--primary-50);
  color: var(--primary-color);
}

.workout-type-btn i {
  font-size: 2rem;
}

.workout-type-btn span {
  font-weight: var(--font-weight-medium);
}

/* Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-color);
  padding: var(--space-2) var(--space-4);
  display: flex;
  justify-content: space-around;
  z-index: 50; /* Reduced from 1000 so setup actions can be above it */
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
  color: var(--text-muted);
  text-decoration: none;
  position: relative;
}

.nav-item:hover {
  color: var(--primary-color);
  background: var(--primary-50);
}

.nav-item.active {
  color: var(--primary-color);
}

.nav-item i {
  font-size: 1.25rem;
}

.nav-item span {
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
}

.nav-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--danger-color);
  color: white;
  font-size: 0.625rem;
  font-weight: var(--font-weight-bold);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Empty States */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
}

.empty-state i {
  font-size: 4rem;
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}

.empty-state h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  max-width: 300px;
}

/* Notifications */
.notification-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 10000;
  display: none;
}

.notification {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-2);
  max-width: 300px;
  animation: slideInRight 0.3s ease-out;
}

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

.notification.success {
  border-left: 4px solid var(--accent-color);
}

.notification.error {
  border-left: 4px solid var(--danger-color);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
  
  .checkbox-group {
    grid-template-columns: 1fr;
  }
  
  .profile-setup-screen {
    padding: var(--space-4);
  }
  
  .setup-actions {
    flex-direction: column;
  }
  
  .auth-screen {
    padding: var(--space-4);
  }
  
  .auth-title {
    font-size: 2rem;
  }
  
  .swipe-area {
    top: 60px;
    bottom: 120px;
  }
}

@media (max-width: 480px) {
  .profile-card {
    border-radius: var(--radius-xl);
  }
  
  .card-content {
    padding: var(--space-4);
  }
  
  .action-btn {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .swipe-indicators {
    padding: 0 var(--space-4);
  }
  
  .match-content {
    padding: var(--space-6);
  }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0f172a;
    --surface: #1e293b;
    --surface-elevated: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
  }
  
  .form-input,
  .form-select,
  .form-textarea {
    background: var(--surface-elevated);
    border-color: var(--border-color);
    color: var(--text-primary);
  }
  
  .profile-card {
    background: var(--surface-elevated);
  }
  
  .auth-container {
    background: rgba(30, 41, 59, 0.95);
  }
}

/* Performance optimizations */
.profile-card,
.match-item,
.btn {
  will-change: transform;
}

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

/* Focus styles for keyboard navigation */
.btn:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
.nav-item:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}