/* Common Styles for KanliAI Prototype */

:root {
  /* Colors - Light Theme */
  --primary-color: #10B981;
  --secondary-color: #F59E0B;
  --background-color: #F9FAFB;
  --card-background: #FFFFFF;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --border-color: #E5E7EB;
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --error-color: #EF4444;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Component Heights */
  --button-height: 44px;
  --input-height: 44px;
  --navbar-height: 44px;
  --tabbar-height: 50px;
  --statusbar-height: 44px;
  --safe-area-bottom: 34px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--background-color);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* Hide scrollbar but keep functionality */
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
  display: none;
}

/* iOS Status Bar */
.ios-statusbar {
  height: var(--statusbar-height);
  background: linear-gradient(to bottom, rgba(0,0,0,0.1), transparent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  color: #000;
  font-size: 14px;
  font-weight: 600;
}

.statusbar-time {
  flex: 1;
  text-align: center;
}

.statusbar-icons {
  display: flex;
  gap: 4px;
  align-items: center;
}

/* Navigation Bar */
.navbar {
  height: var(--navbar-height);
  background: var(--card-background);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-color);
}

.navbar-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.navbar-back {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--primary-color);
}

/* Tab Bar */
.tabbar {
  height: calc(var(--tabbar-height) + var(--safe-area-bottom));
  background: var(--card-background);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  padding-top: 8px;
  padding-bottom: var(--safe-area-bottom);
}

.tabbar-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.tabbar-icon {
  font-size: 24px;
}

.tabbar-label {
  font-size: 11px;
}

/* Buttons */
.btn {
  height: var(--button-height);
  padding: 0 24px;
  border-radius: var(--radius-md);
  border: none;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

.btn-primary:hover {
  background: #059669;
}

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

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-text {
  background: transparent;
  color: var(--primary-color);
  padding: 0 12px;
}

/* Input */
.input {
  height: var(--input-height);
  padding: 0 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 16px;
  background: var(--card-background);
  color: var(--text-primary);
  transition: border-color 0.2s;
}

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

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

/* Card */
.card {
  background: var(--card-background);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Avatar */
.avatar {
  border-radius: 50%;
  object-fit: cover;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-primary {
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary-color);
}

.badge-secondary {
  background: rgba(245, 158, 11, 0.1);
  color: var(--secondary-color);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-lg) 0;
}

/* Loading */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Fade in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

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

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.text-sm { font-size: 14px; }
.text-base { font-size: 16px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-error { color: var(--error-color); }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }

.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }

.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }
.p-6 { padding: 24px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }