/* Main Application Styles */

/* Base reset and typography */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  margin: 0;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

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

a:hover {
  color: var(--color-primary-hover);
}

/* Buttons */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

.btn-accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--theme-bg-dark);
}

.btn-accent:hover, .btn-accent:focus {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--theme-bg-dark);
}

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

.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Cards and surfaces */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
}

/* Navbar */
.navbar {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  color: var(--color-primary) !important;
  font-weight: 700;
  font-size: 1.5rem;
}

.navbar-toggler {
  padding: var(--spacing-sm);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.3);
}

.navbar-toggler-icon {
  width: 1.5em;
  height: 1.5em;
}

/* Dark mode hamburger icon - use light colored lines */
[data-mode="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
  color: var(--color-text) !important;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.nav-link:hover {
  background-color: var(--color-surface-hover);
}

.nav-link.active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse) !important;
}

/* Form controls */
.form-control, .form-select {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

/* Shopping list specific styles */
.shopping-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  transition: background-color var(--transition-fast), opacity var(--transition-fast);
}

.shopping-item:hover {
  background-color: var(--color-surface-hover);
}

.shopping-item.checked {
  opacity: 0.6;
  background-color: var(--color-bg);
}

.shopping-item.checked .item-name {
  text-decoration: line-through;
  color: var(--color-text-muted);
}

.shopping-item .check-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.shopping-item .check-btn:hover {
  background-color: var(--color-primary-light);
}

.shopping-item.checked .check-btn {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.shopping-item .item-content {
  flex: 1;
  margin-left: var(--spacing-md);
  min-width: 0;
}

.shopping-item .item-name {
  font-weight: 500;
  margin-bottom: 2px;
}

.shopping-item .item-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.shopping-item .item-actions {
  display: flex;
  gap: var(--spacing-xs);
}

/* Quantity badge */
.quantity-badge {
  background-color: var(--color-accent);
  color: var(--theme-bg-dark);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: var(--spacing-sm);
}

/* Add item input */
.add-item-form {
  position: sticky;
  top: 56px;
  z-index: 10;
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.add-item-input {
  border-radius: var(--radius-full) !important;
  padding-left: var(--spacing-lg) !important;
}

/* Offline toast */
.offline-toast {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-warning);
  color: var(--theme-bg-dark);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.offline-toast::before {
  content: "📡";
}

/* Dark mode toggle */
.theme-toggle {
  border: none;
  cursor: pointer;
}

/* Login page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-logo {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

/* Mobile optimizations */
@media (max-width: 576px) {
  .add-item-form {
    padding: var(--spacing-sm);
  }

  .navbar-brand {
    font-size: 1.25rem;
  }
}



/* PWA standalone mode adjustments */
@media (display-mode: standalone) {
  body {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* Animation utilities */
.fade-in {
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-in {
  animation: slideIn var(--transition-normal);
}

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

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}

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

/* Emoji icon picker */
.emoji-picker-btn {
  font-size: 1.3rem;
  line-height: 1;
  padding: 0.15rem 0.3rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.emoji-picker-btn:hover {
  border-color: var(--color-primary);
}

.emoji-picker-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 0.4rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  max-width: 280px;
}

.emoji-picker-option {
  font-size: 1.25rem;
  line-height: 1;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.emoji-picker-option:hover {
  background-color: var(--color-primary-bg);
}

.emoji-picker-option.active {
  background-color: var(--color-primary-bg);
  outline: 2px solid var(--color-primary);
}

/* Avatar upload area */
.avatar-upload-area {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  flex-shrink: 0;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.avatar-upload-area:hover {
  border-color: var(--color-primary);
  background-color: var(--color-surface-hover);
}

.avatar-upload-area.drag-over {
  border-color: var(--color-accent);
  background-color: var(--color-primary-bg);
}

.avatar-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-placeholder {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* Item action menu button */
.item-menu-btn {
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.1rem 0.4rem;
  color: var(--color-text-muted);
  border: none;
  background: transparent;
  letter-spacing: 1px;
  opacity: 0.4;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.shopping-item:hover .item-menu-btn,
.item-menu-btn:hover,
.item-menu-btn:focus,
.item-menu-btn[aria-expanded="true"] {
  opacity: 1;
  color: var(--color-text);
}

/* Item assignment button */
.assign-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: var(--spacing-sm);
  padding: 0;
  overflow: hidden;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.assign-btn:hover {
  border-color: var(--color-primary);
}

/* Color-coded assignees */
.assign-btn.assign-oxana {
  border-color: #e091c0;
  background-color: #fce4f1;
}

.assign-btn.assign-gernot {
  border-color: #5b8abf;
  background-color: #d6e6f5;
}

[data-mode="dark"] .assign-btn.assign-oxana {
  border-color: #c06090;
  background-color: #3d2233;
}

[data-mode="dark"] .assign-btn.assign-gernot {
  border-color: #4a7aaf;
  background-color: #1e2d3d;
}

.assign-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.assign-initial {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
}

.assign-btn.assign-oxana .assign-initial {
  color: #c04080;
}

.assign-btn.assign-gernot .assign-initial {
  color: #3a6a9f;
}

.assign-unassigned {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Assignee filter buttons */
.filter-btn {
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  padding: 0.2rem 0.6rem;
  border-radius: 1rem;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.filter-btn.filter-gernot.active {
  background: #5b8abf;
  border-color: #5b8abf;
}

.filter-btn.filter-oxana.active {
  background: #d070a0;
  border-color: #d070a0;
}

/* Drag handle for sortable items */
.drag-handle {
  cursor: grab;
  color: var(--color-text-muted);
  font-size: 1.3rem;
  padding: 0.2rem 0.5rem;
  margin-right: 0.35rem;
  flex-shrink: 0;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  opacity: 0.5;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.drag-handle:hover {
  opacity: 1;
  color: var(--color-text);
}

.drag-handle:active {
  cursor: grabbing;
}

/* SortableJS ghost/chosen/drag states */
.sortable-ghost {
  opacity: 0.3;
  background-color: var(--color-primary-bg, rgba(13, 148, 136, 0.1));
}

.sortable-chosen {
  box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.15));
}

.sortable-drag {
  opacity: 0.9;
  transform: scale(1.02);
}

/* On mobile, always show drag handle */
@media (max-width: 576px) {
  .drag-handle {
    opacity: 0.6;
  }
}