/* CF-Infobip Broadcaster - Modern Design System */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Color Palette */
  --color-primary: #FCE300;
  --color-dark: #081F2C;
  --color-white: #FFFFFF;
  --color-black: #000000;
  
  /* Extended Palette */
  --color-primary-dark: #E6C200;
  --color-primary-light: #FFF5CC;
  --color-dark-light: #1A3A4A;
  --color-dark-lighter: #2C4A5C;
  
  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'Fira Code', 'Courier New', monospace;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Transitions */
  --transition-fast: 150ms;
  --transition-normal: 200ms;
  --transition-slow: 300ms;
  
  /* 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);
}

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

body {
  font-family: var(--font-family-primary);
  background-color: var(--color-dark);
  color: var(--color-black);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Header Styles */
header {
  background-color: var(--color-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-sm);
}

header h1 {
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.25rem;
}

.header-logo {
  height: 36px;
  width: auto;
  display: block;
}

/* Language Selector */
#language-selector {
  background-color: var(--color-dark-light);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
  transition: all var(--transition-normal);
}

#language-selector:hover {
  background-color: var(--color-dark-lighter);
  border-color: var(--color-primary);
}

#language-selector:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(252, 227, 0, 0.2);
}

/* Auth Container */
#auth-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

#auth-container .text-gray-700 {
  color: var(--color-white);
  font-weight: 500;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
  min-height: 44px; /* Touch target size */
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-black);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-black);
  border: 2px solid var(--color-black);
}

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

.btn-danger {
  background-color: #DC2626;
  color: var(--color-white);
}

.btn-danger:hover:not(:disabled) {
  background-color: #B91C1C;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* Card Styles */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.card-footer {
  background-color: rgba(0, 0, 0, 0.02);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Stats Cards */
.stats-card {
  position: relative;
  overflow: hidden;
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
}

.stats-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-dark-light);
}

.stats-title {
  color: var(--color-dark-light);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stats-value {
  color: var(--color-black);
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1;
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-black);
  font-size: 0.875rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  background-color: var(--color-white);
  color: var(--color-black);
  transition: all var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(252, 227, 0, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

/* Radio Buttons */
.form-radio {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--color-primary);
}

.form-radio:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Contacts Panel */
.contacts-panel {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.contacts-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.contacts-list {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--spacing-sm);
}

.contact-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
  cursor: pointer;
}

.contact-item:hover {
  background-color: rgba(252, 227, 0, 0.1);
}

.contact-checkbox {
  margin-right: var(--spacing-sm);
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--color-primary);
}

.contact-info {
  flex: 1;
}

.contact-name {
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 2px;
}

.contact-phone {
  color: var(--color-dark-light);
  font-size: 0.875rem;
}

.contact-email {
  color: var(--color-dark-light);
  font-size: 0.75rem;
  margin-top: 2px;
}

/* Message Composition */
.message-panel {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.provider-selector {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.provider-option {
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.provider-option:hover {
  color: var(--color-primary);
}

.provider-option input[type="radio"] {
  margin-right: var(--spacing-xs);
}

.message-textarea {
  min-height: 150px;
  font-size: 1rem;
  line-height: 1.5;
}

.character-count {
  font-size: 0.875rem;
  color: var(--color-dark-light);
  font-weight: 500;
}

.character-count.text-red-500 {
  color: #DC2626;
}

/* Message Preview */
.preview-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: #F5F5F5;
  min-height: 150px;
}

.preview-box {
  padding: var(--spacing-lg);
  min-height: 150px;
}

/* WhatsApp Preview */
.whatsapp-preview {
  background-color: #E5DDD5;
  background-image: url('data:image/svg+xml,%3Csvg width=%2260%22 height=%2260%22 xmlns=%22http://www.w3.org/2000/svg%22%3E%3Cpath d=%22M30 0l30 30-30 30L0 30 30 0z%22 fill=%22%23e5ddd5%22 opacity=%22.1%22/%3E%3C/svg%3E');
  background-size: 60px;
}

.whatsapp-message {
  background-color: #DCF8C6;
  color: var(--color-black);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: var(--shadow-sm);
  max-width: 80%;
  margin-left: auto;
}

/* Telegram Preview */
.telegram-preview {
  background-color: var(--color-dark);
  background-image: url('data:image/svg+xml,%3Csvg width=%22100%22 height=%22100%22 xmlns=%22http://www.w3.org/2000/svg%22%3E%3Cpattern id=%22a%22 patternUnits=%22userSpaceOnUse%22 width=%2240%22 height=%2240%22%3E%3Cpath d=%22M0 0h40v40H0z%22 fill=%22%230e1621%22/%3E%3Cpath d=%22M20 0l20 20-20 20L0 20z%22 fill=%22%23151f2b%22 opacity=%22.3%22/%3E%3C/pattern%3E%3Crect width=%22100%25%22 height=%22100%25%22 fill=%22url(%23a)%22/%3E%3C/svg%3E');
  background-size: 40px;
}

.telegram-message {
  background-color: #2B5278;
  color: var(--color-white);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: var(--shadow-md);
  max-width: 80%;
  margin-left: auto;
}

/* Selected Contacts */
.selected-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.selected-contact-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-primary);
  color: var(--color-black);
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  font-weight: 600;
  gap: var(--spacing-xs);
}

.selected-contact-badge button {
  background: none;
  border: none;
  color: var(--color-black);
  cursor: pointer;
  padding: 0;
  margin-left: var(--spacing-xs);
  font-size: 1.2rem;
  line-height: 1;
}

/* Loading Spinner */
.spinner {
  border: 3px solid rgba(252, 227, 0, 0.2);
  border-top: 3px solid var(--color-primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Notifications */
.notification {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transform: translateX(150%);
  transition: transform var(--transition-normal);
  max-width: 400px;
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  background-color: #059669;
}

.notification.error {
  background-color: #DC2626;
}

.notification.info {
  background-color: var(--color-primary);
  color: var(--color-black);
}

.notification.warning {
  background-color: #D97706;
  color: var(--color-white);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8, 31, 44, 0.8);
  backdrop-filter: blur(4px);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideIn var(--transition-normal) ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-black);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-dark-light);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-black);
  background-color: rgba(0, 0, 0, 0.05);
}

/* Add Contact Modal */
.add-contact-modal {
  max-width: 760px;
  width: min(90vw, 760px);
  padding: var(--spacing-xl);
}

.add-contact-modal__header {
  align-items: flex-start;
}

.add-contact-modal__subtitle {
  margin-top: var(--spacing-xs);
  font-size: 0.95rem;
  color: var(--color-dark-light);
  font-weight: 500;
}

.add-contact-modal__body {
  display: grid;
  gap: var(--spacing-xl);
  align-items: flex-start;
}

@media (min-width: 768px) {
  .add-contact-modal__body {
    grid-template-columns: 260px 1fr;
  }
}

.add-contact-modal__info {
  background-color: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: var(--shadow-md);
}

.add-contact-modal__info-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.add-contact-modal__info-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.add-contact-modal__tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-sm);
}

.add-contact-modal__tips li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-dark-light);
}

.add-contact-modal__tips svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-dark);
}

.add-contact-modal__form {
  display: grid;
  gap: var(--spacing-xl);
}

.add-contact-modal__section {
  display: grid;
  gap: var(--spacing-md);
}

.add-contact-modal__section-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-grid {
  display: grid;
  gap: var(--spacing-md);
}

.form-grid--two {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.add-contact-modal__stack {
  display: grid;
  gap: var(--spacing-md);
}

.add-contact-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

@media (max-width: 768px) {
  .add-contact-modal {
    padding: var(--spacing-lg);
  }

  .add-contact-modal__body {
    grid-template-columns: 1fr;
  }

  .add-contact-modal__info {
    order: -1;
  }

  .add-contact-modal__actions {
    flex-direction: column;
  }

  .add-contact-modal__actions .btn {
    width: 100%;
  }
}

/* Load More Button */
.load-more-container {
  text-align: center;
  margin-top: var(--spacing-md);
}

.load-more-btn {
  background-color: var(--color-primary);
  color: var(--color-black);
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

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

/* Utility Classes */
.hidden {
  display: none !important;
}

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

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

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

.font-medium {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.text-sm {
  font-size: 0.875rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-gray-500 {
  color: var(--color-dark-light);
}

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

.text-gray-700 {
  color: var(--color-black);
}

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

.text-blue-800 {
  color: var(--color-primary-dark);
}

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

.bg-gray-50 {
  background-color: rgba(0, 0, 0, 0.02);
}

.bg-blue-600 {
  background-color: var(--color-primary);
}

.bg-red-600 {
  background-color: #DC2626;
}

.bg-green-600 {
  background-color: #059669;
}

.border-gray-300 {
  border-color: rgba(0, 0, 0, 0.2);
}

.border-blue-500 {
  border-color: var(--color-primary);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-md {
  border-radius: var(--radius-md);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .lg\\:col-span-2 {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .grid-cols-3,
  .grid-cols-2 {
    grid-template-columns: 1fr;
  }
  
  .lg\\:col-span-2,
  .lg\\:col-span-1 {
    grid-column: span 1;
  }
  
  .modal-content {
    width: 95%;
    padding: var(--spacing-md);
  }
  
  .notification {
    right: var(--spacing-md);
    left: var(--spacing-md);
    transform: translateY(-150%);
  }
  
  .notification.show {
    transform: translateY(0);
  }
  
  header h1 {
    font-size: 1rem;
  }
  
  .stats-value {
    font-size: 1.5rem;
  }
}

@media (max-width: 640px) {
  .provider-selector {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .contacts-list {
    max-height: 300px;
  }
  
  .message-textarea {
    min-height: 120px;
  }
}

/* Focus and Accessibility */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus,
input:focus,
textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(252, 227, 0, 0.2);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #FFD700;
    --color-dark: #000000;
    --color-dark-light: #333333;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  .notification,
  .modal,
  header {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}