/*
 * Main Stylesheet for OmniBridge
 */

/* 1. Global Styles & Reset
--------------------------------------------- */

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

body {
  font-family: var(--font-family-sans);
  background-color: var(--neutral-100);
  color: var(--neutral-800);
  line-height: var(--line-height-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Visually-hidden class for accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* 2. Layout
--------------------------------------------- */

.container {
  max-width: var(--layout-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--layout-padding);
  padding-right: var(--layout-padding);
}

.header {
  background-color: var(--neutral-0);
  border-bottom: 1px solid var(--neutral-200);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.main {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.dashboard-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

/* 3. Components
--------------------------------------------- */

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-bold);
  color: var(--neutral-900);
  text-decoration: none;
}

/* Navigation */
.nav {
  display: flex;
  gap: var(--space-2);
}
.nav-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  color: var(--neutral-600);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-small);
}
.nav-link.active {
  color: var(--neutral-900);
  background-color: var(--neutral-100);
}

/* Header Actions & Avatar */
.avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
}
.icon-button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  border-radius: var(--border-radius-full);
  position: relative;
}

/* User Menu Dropdown */
.user-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-duration) var(--transition-timing-function);
  z-index: 1000;
  margin-top: var(--space-2);
}

.user-menu-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  color: var(--neutral-800);
  font-size: var(--font-size-body);
  transition: background-color var(--transition-duration) var(--transition-timing-function);
}

.user-menu-item:hover {
  background-color: var(--neutral-100);
}

.user-menu-item:first-child {
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.user-menu-item:last-child {
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.user-menu-item i {
  width: 20px;
  height: 20px;
  color: var(--neutral-600);
}

/* Card */
.card {
  background-color: var(--neutral-0);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
}

.card-title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    color: var(--neutral-900);
    margin-bottom: var(--space-5);
}

/* Composer */
.composer-textarea {
  width: 100%;
  min-height: 200px;
  border: none;
  resize: vertical;
  font-family: var(--font-family-sans);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--neutral-800);
}
.composer-textarea:focus {
  outline: none;
}
.composer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  border-top: 1px solid var(--neutral-200);
}
.char-counter {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-small);
  color: var(--neutral-600);
}

/* Image Preview Grid */
.image-preview-container {
  margin-top: var(--space-3);
  border-radius: var(--border-radius-md);
  background-color: var(--neutral-100);
}

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

.image-grid-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background-color: var(--neutral-200);
}

.image-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.remove-image-btn {
  position: absolute;
  top: var(--space-1);
  right: var(--space-1);
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s ease;
  z-index: 10;
}

.remove-image-btn:hover {
  background-color: rgba(0, 0, 0, 0.9);
}

/* Single image layout for backward compatibility */
.image-preview-container.single-image .image-grid {
  grid-template-columns: 1fr;
  max-width: 300px;
  margin: 0 auto;
}

.image-preview-container.single-image .image-grid-item {
  max-height: 300px;
  aspect-ratio: auto;
}

/* Buttons */
.button-primary, .button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family-sans);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-body);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--border-radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.button-primary {
  background-color: var(--brand-primary);
  color: var(--neutral-0);
}
.button-secondary {
  background-color: transparent;
  border-color: var(--neutral-200);
  color: var(--neutral-800);
}

.publish-button {
    width: 100%;
}

/* Platform List */
.platform-list {
  list-style: none;
  margin-bottom: var(--space-5);
}
.platform-item {
  margin-bottom: var(--space-2);
}
.platform-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  border: 1px solid var(--neutral-200);
}
.platform-logo {
  width: 24px;
  height: 24px;
  border-radius: var(--border-radius-full);
}
.platform-name {
  font-weight: var(--font-weight-semibold);
  color: var(--neutral-800);
}
.platform-username {
  color: var(--neutral-600);
  font-size: var(--font-size-small);
  margin-left: auto;
}
.platform-checkbox {
  width: 20px;
  height: 20px;
  accent-color: var(--brand-primary);
}
.platform-item--disabled .platform-label {
    cursor: not-allowed;
    background-color: var(--neutral-100);
}
.platform-item--disabled .platform-name,
.platform-item--disabled .platform-username {
    color: var(--neutral-400);
    text-decoration: line-through;
}


/* 4. States & Motion
--------------------------------------------- */

@media (prefers-reduced-motion: no-preference) {
  .card, .button-primary, .button-secondary, .nav-link, .platform-label {
    transition: all var(--transition-duration) var(--transition-timing-function);
  }
}

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

.button-primary:hover {
  background-color: var(--brand-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.button-primary:active {
  background-color: var(--brand-primary-active);
  box-shadow: var(--shadow-inner);
  transform: translateY(0);
}

.button-secondary:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

.nav-link:not(.active):hover {
    background-color: var(--neutral-100);
    color: var(--neutral-900);
}

.platform-label:hover {
    border-color: var(--brand-primary);
    background-color: var(--neutral-100);
}

/* Focus States */
:focus-visible {
  outline: 3px solid var(--brand-accent);
  outline-offset: 2px;
  border-radius: var(--border-radius-md);
}
.composer-textarea:focus-visible {
    outline: none;
}


/* Connections Page Styles */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-8);
  gap: var(--space-4);
}

.page-header-content h1 {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  color: var(--neutral-900);
  margin-bottom: var(--space-2);
}

.page-header-content p {
  font-size: var(--font-size-body);
  color: var(--neutral-600);
}

.connections-container {
  max-width: 800px;
}

.connections-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.connections-header h2 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--neutral-900);
}

.connections-count {
  font-size: var(--font-size-small);
  color: var(--neutral-600);
  background-color: var(--neutral-100);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-full);
}

/* Loading State */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  color: var(--neutral-600);
}

.loading-state i {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  animation: spin 1s linear infinite;
}

.loading-state p {
  font-size: var(--font-size-body);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  background-color: var(--neutral-100);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-icon i {
  width: 40px;
  height: 40px;
  color: var(--neutral-400);
}

.empty-state h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--neutral-900);
  margin-bottom: var(--space-3);
}

.empty-state p {
  font-size: var(--font-size-body);
  color: var(--neutral-600);
  max-width: 400px;
  margin: 0 auto var(--space-6);
}

/* Connections List */
.connections-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.connection-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border: 1px solid var(--neutral-200);
  border-radius: var(--border-radius-lg);
  background-color: var(--neutral-0);
  transition: all var(--transition-duration) var(--transition-timing-function);
}

.connection-item:hover {
  border-color: var(--brand-primary);
    box-shadow: var(--shadow-sm);
}

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

.connection-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  color: white;
  font-size: var(--font-size-h4);
}

.connection-details h4 {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: var(--neutral-900);
  margin-bottom: var(--space-1);
}

.connection-details p {
  font-size: var(--font-size-small);
  color: var(--neutral-600);
}

.connection-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-small);
}

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

.status-dot.warning {
  background-color: var(--semantic-warning);
}

.connection-actions {
  display: flex;
  gap: var(--space-2);
}

.button-danger {
  background-color: var(--semantic-danger);
  color: white;
}

.button-danger:hover {
  background-color: #8B0000;
  box-shadow: var(--shadow-md);
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-duration) var(--transition-timing-function);
  z-index: 1000;
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-duration) var(--transition-timing-function);
}

.modal.show .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6);
  border-bottom: 1px solid var(--neutral-200);
}

.modal-header h3 {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--neutral-900);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--border-radius-md);
  color: var(--neutral-600);
  transition: all var(--transition-duration) var(--transition-timing-function);
}

.modal-close:hover {
  background-color: var(--neutral-100);
  color: var(--neutral-900);
}

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

.modal-body p {
  font-size: var(--font-size-body);
  color: var(--neutral-600);
  margin-bottom: var(--space-6);
}

/* Platform Options */
.platform-options {
  display: grid;
  gap: var(--space-4);
}

.platform-option {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 2px solid var(--neutral-200);
  border-radius: var(--border-radius-lg);
  background: white;
  cursor: pointer;
  transition: all var(--transition-duration) var(--transition-timing-function);
  text-align: left;
  width: 100%;
}

.platform-option:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.platform-option-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.platform-option-icon i {
  width: 28px;
  height: 28px;
}

.platform-option-info h4 {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  color: var(--neutral-900);
  margin-bottom: var(--space-1);
}

.platform-option-info p {
  font-size: var(--font-size-small);
  color: var(--neutral-600);
  margin: 0;
}

/* 5. Responsive
--------------------------------------------- */

@media (max-width: 1024px) {
  .dashboard-layout {
    grid-template-columns: 1.5fr 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
  }

  .platform-options {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }
  .nav {
      display: none; /* Simplified for this example */
  }

  .connection-item {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
  }

  .connection-actions {
    justify-content: flex-start;
  }

  .platform-option {
    padding: var(--space-4);
  }

  .platform-option-icon {
    width: 48px;
    height: 48px;
  }

  .platform-option-icon i {
    width: 24px;
    height: 24px;
  }

  .modal-content {
    width: 95%;
    margin: var(--space-4);
  }
}