/* 
 * ActionSender - Modern Design System
 * Unified styles for consistent UX across the platform
 */

:root {
  /* Primary Colors - Cleaner, more minimal */
  --color-primary: #10b981;
  --color-primary-dark: #059669;
  --color-primary-light: #34d399;
  --color-primary-50: #f0fdf4;
  --color-primary-100: #dcfce7;
  --color-primary-600: #16a34a;
  --color-primary-700: #15803d;
  
  /* Secondary Colors */
  --color-secondary: #3b82f6;
  --color-secondary-dark: #2563eb;
  --color-secondary-light: #60a5fa;
  
  /* Accent Colors */
  --color-purple: #8b5cf6;
  --color-purple-dark: #7c3aed;
  --color-orange: #f59e0b;
  
  /* Neutral Colors */
  --color-gray-50: #fafafa;
  --color-gray-100: #f4f4f5;
  --color-gray-200: #e4e4e7;
  --color-gray-300: #d4d4d8;
  --color-gray-400: #a1a1aa;
  --color-gray-500: #71717a;
  --color-gray-600: #52525b;
  --color-gray-700: #3f3f46;
  --color-gray-800: #27272a;
  --color-gray-900: #18181b;
  
  /* Semantic Colors */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-success-dark: #065f46;
  --color-error: #ef4444;
  --color-error-light: #fee2e2;
  --color-error-dark: #991b1b;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-warning-dark: #92400e;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  --color-info-dark: #1e40af;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* 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 - More subtle */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.03);
  --shadow-md: 0 2px 4px -1px rgb(0 0 0 / 0.06), 0 1px 2px -1px rgb(0 0 0 / 0.06);
  --shadow-lg: 0 4px 6px -2px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
  --shadow-xl: 0 8px 10px -4px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.06);
  --shadow-2xl: 0 16px 24px -8px rgb(0 0 0 / 0.12);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Monaco, 'Cascadia Code', 'Courier New', monospace;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

.animate-slide-in {
  animation: slideIn 0.5s ease-out forwards;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-bounce {
  animation: bounce 1s ease-in-out infinite;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  max-width: 420px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-sm);
  opacity: 1;
  transform: translateX(0);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  font-size: 0.875rem;
  font-weight: 500;
}

.toast.hiding {
  opacity: 0;
  transform: translateX(100%);
}

.toast-success {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
  border-left: 4px solid var(--color-success);
}

.toast-error {
  background-color: var(--color-error-light);
  color: var(--color-error-dark);
  border-left: 4px solid var(--color-error);
}

.toast-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
  border-left: 4px solid var(--color-warning);
}

.toast-info {
  background-color: var(--color-info-light);
  color: var(--color-info-dark);
  border-left: 4px solid var(--color-info);
}

.toast i {
  font-size: 1.25rem;
}

/* Loading Overlay */
.page-cover {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.95), rgba(59, 130, 246, 0.95));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  backdrop-filter: blur(10px);
}

.page-cover-content {
  text-align: center;
  color: white;
}

.page-cover-content i {
  font-size: 3rem;
  margin-bottom: 1rem;
  animation: spin 1s linear infinite;
}

.page-cover-content .text {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25rem;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-700));
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-secondary-dark), #1d4ed8);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-outline {
  background: white;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-primary-50);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-700);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-gray-100);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-error), #dc2626);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 1.125rem 2rem;
  font-size: 1.125rem;
}

/* Form Elements */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-gray-900);
  background-color: white;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input-icon {
  position: relative;
}

.form-input-icon input {
  padding-left: 2.5rem;
}

.form-input-icon i {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  pointer-events: none;
}

.form-input-icon input:focus ~ i {
  color: var(--color-primary);
}

.form-error {
  color: var(--color-error);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.form-hint {
  color: var(--color-gray-500);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin: 0;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--color-gray-200);
  background-color: var(--color-gray-50);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

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

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

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

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

.badge-gray {
  background-color: var(--color-gray-200);
  color: var(--color-gray-700);
}

/* Progress */
.progress {
  width: 100%;
  height: 0.5rem;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* Divider */
.divider {
  height: 1px;
  background-color: var(--color-gray-200);
  margin: 1.5rem 0;
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glassmorphism {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Responsive helpers */
@media (max-width: 640px) {
  .hide-mobile {
    display: none !important;
  }
}

@media (min-width: 641px) {
  .show-mobile {
    display: none !important;
  }
}