/**
 * Tile Planner - Main Styles
 * Using theme variables from themes.css
 */

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
.header {
  background-color: var(--bg-secondary);
  border-bottom: none;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-md);
}

.header-left,
.header-right {
  flex: 0 0 100px;
  display: flex;
  align-items: center;
}

.header-left {
  justify-content: flex-start;
}

.header-right {
  justify-content: flex-end;
  gap: 0.75rem;
}

.header h1 {
  flex: 1;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

.language-select {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  cursor: pointer;
  min-width: 70px;
}

.language-select:hover {
  border-color: var(--border-hover);
}

.theme-toggle {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle:hover {
  background-color: var(--accent-hover);
  border-color: var(--border-hover);
}

/* Main Container */
.container {
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  gap: 1.5rem;
  max-width: 1800px;
  margin: 0 auto;
  padding: 1.5rem;
  height: calc(100vh - 80px);
}

/* Input Panel */
.input-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.panel {
  background-color: var(--bg-secondary);
  border: none;
  border-radius: 4px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.panel h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.panel-header h2 {
  margin-bottom: 0;
}

.unit-select-inline {
  width: auto;
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  border-radius: 4px;
  min-width: 0;
}

.panel-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0 0 1rem 0;
  color: var(--text-primary);
}

/* Form Elements */
.form-group {
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-group small {
  display: block;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 0.2rem;
}

input[type="number"],
input[type="text"],
input[type="email"],
input[type="color"],
select {
  width: 100%;
  background-color: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
}

input[type="number"]:focus,
input[type="text"]:focus,
input[type="email"]:focus,
select:focus {
  border-color: var(--border-focus);
  outline: none;
  box-shadow: 0 0 0 1px rgba(26, 188, 156, 0.1);
}

input[type="color"] {
  height: 40px;
  padding: 0.25rem;
  cursor: pointer;
}

/* Two-column Input */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-row-triple {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

/* Input with unit selector */
.input-with-unit {
  display: flex;
  gap: 0.5rem;
}

.input-with-unit input {
  flex: 1;
}

.input-with-unit .unit-select {
  width: 60px;
  flex-shrink: 0;
}

.unit-hint {
  color: var(--text-secondary);
  font-weight: normal;
}

/* Buttons */
button {
  background-color: var(--accent-primary);
  color: var(--bg-primary);
  border: none;
  border-radius: 4px;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 38px;
}

button:hover {
  background-color: var(--accent-hover);
}

button:active {
  background-color: var(--accent-active);
}

button:disabled {
  background-color: var(--text-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

button.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

button.btn-small {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  min-height: 32px;
}

button.btn-full {
  width: 100%;
}

/* Tile Types Section */
.tile-types-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tile-type-item {
  display: grid;
  grid-template-columns: 50px 1fr 30px 36px;
  gap: 0.5rem;
  align-items: center;
  padding: 0.75rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.tile-type-item .tile-proportion {
  min-width: 70px;
}

.tile-type-item input[type="color"] {
  width: 50px;
  height: 38px;
}

.tile-type-item button {
  padding: 0.4rem;
  min-height: 38px;
}

.tile-type-item .remove-tile-type {
  background-color: transparent;
  border: 1px solid var(--border-hover);
  color: var(--error);
  font-weight: 600;
}

.tile-type-item .remove-tile-type:hover {
  background-color: var(--error);
  border-color: var(--error);
  color: #fff;
}

.tile-types-actions {
  margin-top: 0.75rem;
}

/* Action Buttons */
.actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.actions-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.shift-controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.shift-controls button {
  min-width: 0;
  touch-action: manipulation; /* Prevent double-tap zoom on mobile */
}

.shift-controls button:nth-child(1) {
  grid-column: 2;
  grid-row: 1;
}

.shift-controls button:nth-child(2) {
  grid-column: 1;
  grid-row: 2;
}

.shift-controls button:nth-child(3) {
  grid-column: 3;
  grid-row: 2;
}

.shift-controls button:nth-child(4) {
  grid-column: 2;
  grid-row: 2;
}

/* Visualization Panel */
.visualization-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
  gap: 0.5rem;
}

/* Error container above canvas */
.error-container {
  flex-shrink: 0;
}

.error-container:empty {
  display: none;
}

.error-container .message {
  margin-bottom: 0;
}

/* History Controls */
.history-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  flex-shrink: 0;
}

.history-controls button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.history-controls .btn-icon {
  padding: 0.4rem 0.5rem;
  min-width: 32px;
  font-size: 1rem;
}

.history-controls .btn-icon.is-favorite {
  color: #f5a623;
}

.history-controls .btn-danger {
  color: var(--error);
}

.history-controls .btn-danger:hover:not(:disabled) {
  background-color: var(--error);
  color: white;
  border-color: var(--error);
}

.history-indicator {
  color: var(--text-secondary);
  font-size: 0.8rem;
  min-width: 70px;
  text-align: center;
}

/* History Menu Dropdown */
.history-menu {
  position: relative;
}

.history-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  box-shadow: var(--shadow-md);
  z-index: 100;
  min-width: 160px;
}

.history-dropdown.show {
  display: block;
}

.history-dropdown button {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 0;
  min-height: auto;
}

.history-dropdown button:hover {
  background-color: var(--bg-tertiary);
}

.history-dropdown button.danger {
  color: var(--error);
}

.history-dropdown button.danger:hover {
  background-color: var(--error);
  color: white;
}

.canvas-container {
  flex: 1 1 auto;
  background-color: var(--canvas-bg);
  border: none;
  border-radius: 4px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
}

.canvas-delete-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 10;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.canvas-delete-btn:hover:not(:disabled) {
  opacity: 1;
}

#canvas {
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  background-color: var(--canvas-bg);
  /* Explicit dimensions set by JavaScript - don't allow CSS to override */
  display: block;
  flex-shrink: 1;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
}

/* Canvas Controls */
.canvas-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
}

/* Toggle Switch */
.toggle-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.toggle-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.toggle-slider {
  position: relative;
  width: 36px;
  height: 20px;
  background-color: var(--border-color);
  border-radius: 10px;
  transition: background-color 0.2s;
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background-color: var(--bg-secondary);
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-primary);
}

.toggle-switch input:checked + .toggle-slider::after {
  transform: translateX(16px);
}

.toggle-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Canvas Action Buttons */
.canvas-actions {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  justify-content: center;
  flex-shrink: 0;
}

.canvas-actions button {
  flex: 0 1 auto;
}

/* Segmented Control */
.segmented-control {
  display: inline-flex;
  background-color: var(--bg-tertiary);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}

.segmented-control .segment {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.segmented-control .segment:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.segmented-control .segment.active {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.segmented-control .segment span:first-child {
  font-size: 0.9rem;
}

/* Statistics Panel (right column) */
.statistics-panel {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  height: 100%;
}

#results {
  flex: 1;
}

/* Statistics */
.statistics {
  background-color: var(--bg-secondary);
  border: none;
  border-radius: 4px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.statistics h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Cut Information */
.cut-info {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.cut-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.cut-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 200px;
  overflow-y: auto;
}

.cut-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.5rem;
  background-color: var(--bg-tertiary);
  border-radius: 4px;
}

.cut-types-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cut-type-item {
  padding: 0.75rem;
  background-color: var(--bg-tertiary);
  border-left: 3px solid var(--error);
  border-radius: 4px;
}

.cut-type-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.cut-type-header strong {
  color: var(--text-primary);
  font-size: 0.9rem;
}

.cut-count {
  font-size: 0.85rem;
  color: var(--error);
  font-weight: 600;
}

.cut-type-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-style: italic;
}

.cut-type-item.expandable {
  cursor: pointer;
}

.cut-type-item.expandable:hover {
  background-color: var(--border-color);
}

.cut-expand-icon {
  font-size: 0.6rem;
  color: var(--text-secondary);
  transition: transform 0.2s;
  display: inline-block;
}

.cut-type-item.expanded .cut-expand-icon {
  transform: rotate(90deg);
}

.cut-details {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.cut-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.2rem 0;
  font-size: 0.8rem;
  color: var(--text-primary);
}

.cut-detail-count {
  color: var(--text-secondary);
  font-weight: 600;
}

/* Loading Indicator */
.loading {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.loading.htmx-request {
  display: flex;
}

.spinner {
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--accent-primary);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
}

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

/* Messages */
.message {
  padding: 0.75rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.message-error {
  background-color: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

.message-success {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success);
}

.message-info {
  background-color: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .container {
    grid-template-columns: 280px 1fr 280px;
    gap: 1rem;
    padding: 1rem;
  }
}

@media (max-width: 1024px) {
  .container {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    height: auto;
  }

  .input-panel {
    max-height: none;
    overflow-y: visible;
  }

  .visualization-panel {
    min-height: 400px;
  }

  .statistics-panel {
    min-height: 400px;
    max-height: none;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 1rem;
    gap: 1rem;
  }

  .header {
    padding: 1rem;
  }

  .panel {
    padding: 1rem;
  }

  .form-row,
  .form-row-triple {
    grid-template-columns: 1fr;
  }

  .tile-type-item {
    grid-template-columns: 50px 1fr 60px 40px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* Ad Banner */
.ad-banner {
  flex-shrink: 0;
  min-height: 90px;
  background-color: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.ad-banner:empty::after {
  content: 'Advertisement';
  opacity: 0.5;
}

/* Cookie Consent Banner */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-secondary);
  border-top: none;
  padding: 1rem 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -1px 20px 0 rgba(69, 90, 100, 0.15);
}

.cookie-consent-content {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 1200px;
  width: 100%;
}

.cookie-consent-content p {
  margin: 0;
  color: var(--text-primary);
  font-size: 0.9rem;
  flex: 1;
}

.cookie-policy-link {
  color: var(--accent-primary);
  text-decoration: none;
  margin-left: 0.5rem;
}

.cookie-policy-link:hover {
  text-decoration: underline;
}

.cookie-consent-buttons {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .cookie-consent {
    padding: 1rem;
  }

  .cookie-consent-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .cookie-consent-buttons {
    width: 100%;
    justify-content: center;
  }
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: none;
  padding: 1rem 2rem;
  text-align: center;
  box-shadow: 0 -1px 20px 0 rgba(69, 90, 100, 0.08);
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.copyright {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.footer-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-link:hover {
  text-decoration: underline;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background-color: var(--bg-secondary);
  border: none;
  border-radius: 4px;
  padding: 1.5rem;
  width: 90%;
  max-width: 450px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  min-height: auto;
}

.modal-close:hover {
  color: var(--text-primary);
  background: none;
}

/* Contact Form */
.contact-form input[type="text"],
.contact-form input[type="email"] {
  width: 100%;
  box-sizing: border-box;
}

.contact-form textarea {
  width: 100%;
  background-color: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-family: inherit;
  resize: vertical;
}

.contact-form textarea:focus {
  border-color: var(--border-focus);
  outline: none;
  box-shadow: 0 0 0 1px rgba(26, 188, 156, 0.1);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1rem;
}

.contact-status {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 4px;
  font-size: 0.9rem;
  display: none;
}

.contact-status.success {
  display: block;
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success);
}

.contact-status.error {
  display: block;
  background-color: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

/* Share Modal */
.modal-small {
  max-width: 500px;
}

.share-content p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.share-url-container {
  display: flex;
  gap: 0.5rem;
}

.share-url-container input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background-color: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: monospace;
}

.share-url-container input:focus {
  border-color: var(--border-focus);
  outline: none;
}

.share-url-container button {
  white-space: nowrap;
  padding: 0.5rem 1rem;
}

.share-status {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  min-height: 1.5rem;
}

.share-status.success {
  color: var(--success);
}

@media (max-width: 640px) {
  .footer-content {
    flex-direction: column;
    gap: 0.5rem;
  }

  .footer-links {
    gap: 1rem;
  }

  .modal-content {
    padding: 1rem;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions button {
    width: 100%;
  }
}