/**
 * HelemCalb - Main Stylesheet
 * Modern CSS with variables, animations, and mobile-first design
 */

/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --color-primary: #FF3B30;
  --color-secondary: #007AFF;
  --color-success: #34C759;
  --color-warning: #FF9500;
  --color-danger: #FF3B30;
  --color-dark: #1C1C1E;
  --color-light: #F2F2F7;
  --color-white: #FFFFFF;
  --color-gray-100: #F8F8F8;
  --color-gray-200: #E5E5EA;
  --color-gray-300: #C7C7CC;
  --color-gray-400: #8E8E93;
  --color-gray-500: #636366;
  --color-gray-600: #48484A;
  --color-gray-700: #363638;
  --color-gray-800: #2C2C2E;
  --color-gray-900: #1C1C1E;

  /* Typography */
  --font-primary: 'Assistant', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  --border-radius-full: 9999px;
  --border-width: 1px;

  /* 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);

  /* 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);

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* Dark mode variables */
@media (prefers-color-scheme: dark) {
  :root {
    --color-light: #2C2C2E;
    --color-gray-100: #1C1C1E;
    --color-gray-200: #2C2C2E;
    --color-gray-300: #363638;
    --color-gray-400: #48484A;
    --color-gray-500: #636366;
    --color-gray-600: #8E8E93;
    --color-gray-700: #C7C7CC;
    --color-gray-800: #E5E5EA;
    --color-gray-900: #F8F8F8;
  }
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--color-dark);
  background-color: var(--color-white);
  direction: rtl;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

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

a:hover,
a:focus {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#app-root {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ===== Components ===== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  border: var(--border-width) solid transparent;
  border-radius: var(--border-radius-md);
  background-color: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

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

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

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

.btn-primary:hover:not(:disabled) {
  background-color: #E63427;
  border-color: #E63427;
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: #0051D5;
  border-color: #0051D5;
}

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

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

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

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

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: var(--spacing-sm);
  aspect-ratio: 1;
}

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

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

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-dark);
  background-color: var(--color-white);
  border: var(--border-width) solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.1);
}

.form-control:disabled {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
}

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

.form-hint {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.form-error {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

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

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: var(--border-width) solid var(--color-gray-200);
  background-color: var(--color-gray-100);
}

/* Loading */
.spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--color-gray-300);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.route-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  gap: var(--spacing-md);
  color: var(--color-gray-500);
}

/* Toast Container */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: var(--z-toast);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  pointer-events: auto;
  min-width: 300px;
  max-width: 500px;
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform-origin: top right;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.toast-message {
  flex: 1;
  font-size: var(--font-size-sm);
}

.toast-action {
  flex-shrink: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background: none;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.toast-action:hover {
  background-color: var(--color-gray-100);
}

.toast-close {
  flex-shrink: 0;
  padding: var(--spacing-xs);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.toast-close:hover {
  color: var(--color-gray-600);
}

/* Toast types */
.toast-success {
  border-left: 4px solid var(--color-success);
}

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

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

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

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

.toast-warning .toast-icon {
  color: var(--color-warning);
}

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

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

/* Toast animations */
.toast-enter {
  opacity: 0;
  transform: translateX(100%);
}

.toast-enter-active {
  opacity: 1;
  transform: translateX(0);
  transition: all var(--transition-base);
}

.toast-exit {
  opacity: 0;
  transform: translateX(100%);
  transition: all var(--transition-base);
}

/* Dialog */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  backdrop-filter: blur(4px);
  opacity: 0;
}

.dialog-overlay-enter {
  opacity: 1;
  transition: opacity var(--transition-base);
}

.dialog-overlay-exit {
  opacity: 0;
  transition: opacity var(--transition-base);
}

.dialog {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
  width: 100%;
  transform: scale(0.9);
  opacity: 0;
}

.dialog-enter {
  transform: scale(1);
  opacity: 1;
  transition: all var(--transition-base);
}

.dialog-exit {
  transform: scale(0.9);
  opacity: 0;
  transition: all var(--transition-base);
}

.dialog-content {
  padding: var(--spacing-xl);
  text-align: center;
}

.dialog-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-lg);
}

.dialog-title {
  margin-bottom: var(--spacing-sm);
}

.dialog-message {
  margin-bottom: var(--spacing-xl);
  color: var(--color-gray-600);
}

.dialog-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.dialog-button {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border: var(--border-width) solid transparent;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dialog-button-cancel {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.dialog-button-cancel:hover {
  background-color: var(--color-gray-200);
}

.dialog-button-confirm {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.dialog-button-confirm:hover {
  background-color: #E63427;
}

/* Error pages */
.error-page,
.fatal-error {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-lg);
  text-align: center;
}

.error-content,
.fatal-error-content {
  max-width: 400px;
}

.error-content h1 {
  font-size: var(--font-size-4xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.error-content h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.error-content p,
.fatal-error-content p {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-xl);
}

.error-details {
  font-family: monospace;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  background-color: var(--color-gray-100);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-xl);
}

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

.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-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; }
.visible { display: block !important; }

/* Responsive */
@media (max-width: 768px) {
  :root {
    --font-size-base: 0.875rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .toast-container {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    top: var(--spacing-sm);
  }

  .toast {
    min-width: auto;
    max-width: 100%;
  }

  .dialog-overlay {
    padding: var(--spacing-md);
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* Print */
@media print {
  .toast-container,
  .dialog-overlay,
  .btn,
  .form-control {
    display: none !important;
  }
}