.omni-dygra-frontend {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Toolbar uses shared .omni-toolbar styles from core/assets/css/frontend-controls.css */

.omni-dygra-mark-toggle {
  border: 1px solid #1d4ed8;
  background-color: #fff;
  color: #1d4ed8;
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.omni-dygra-mark-toggle:hover {
  background-color: rgba(29, 78, 216, 0.1);
}

.omni-dygra-mark-toggle.is-active {
  background-color: #1d4ed8;
  color: #ffffff;
}


.omni-dygra-frontend:fullscreen {
  background: #ffffff;
  padding: 2rem;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  width: 100%;
  height: 100%;
  overflow: auto;
}

.omni-dygra-board {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 100%;
  align-items: center;
}

.omni-dygra-front-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.omni-dygra-front-palette {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.omni-dygra-front-color {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 2px solid transparent;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  padding: 0;
  appearance: none;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.omni-dygra-front-color:hover {
  transform: scale(1.05);
}

.omni-dygra-front-color.is-active {
  box-shadow: 0 0 0 2px rgba(17, 24, 39, 0.95);
  border-color: rgba(17, 24, 39, 0.95);
}

.omni-dygra-front-tool {
  border: 1px solid #cbd5e1;
  background-color: #f8fafc;
  color: #0f172a;
  padding: 0.55rem 0.60rem;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
  font-size: calc(1.1rem - 3px);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.omni-dygra-front-tool:hover {
  background-color: #e2e8f0;
}

.omni-dygra-front-tool.is-active {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
  color: #ffffff;
}

.omni-dygra-popup {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out;
  z-index: 1100;
}

.omni-dygra-popup.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.omni-dygra-popup__dialog {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 24px 45px rgba(15, 23, 42, 0.25);
  padding: 2rem 2.5rem;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.omni-dygra-popup__title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 0.75rem;
}

.omni-dygra-popup__text {
  font-size: 1.05rem;
  color: #1f2937;
  margin: 0 0 1.5rem;
}

.omni-dygra-popup__time {
  font-weight: 700;
  color: #1d4ed8;
}

.omni-dygra-popup__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
  align-items: stretch;
}

.omni-dygra-popup__download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.35rem;
  border-radius: 8px;
  border: 1px solid #1d4ed8;
  background-color: transparent;
  color: #1d4ed8;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.omni-dygra-popup__actions .omni-dygra-popup__close,
.omni-dygra-popup__actions .omni-dygra-popup__download {
  width: 100%;
}

.omni-dygra-popup__download:hover {
  background-color: rgba(29, 78, 216, 0.1);
}

.omni-dygra-popup__download:disabled,
.omni-dygra-popup__download[aria-disabled="true"] {
  background-color: #f8fafc;
  border-color: #cbd5e1;
  color: #94a3b8;
  cursor: not-allowed;
}

.omni-dygra-popup__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  border: none;
  background-color: #1d4ed8;
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.omni-dygra-popup__close:hover {
  background-color: #1a3fad;
  transform: translateY(-1px);
}

.omni-dygra-popup__close:focus-visible {
  outline: 3px solid #1d4ed8;
  outline-offset: 3px;
}

.omni-dygra-popup__note {
  margin: 0.5rem 0 0;
  color: #475569;
  font-size: 0.85rem;
  display: none;
}

.omni-dygra-front-table {
  width: 100%;
  overflow-x: auto;
  display: flex;
  justify-content: center;
}

.omni-dygra-table-container {
  position: relative;
  width: min(90vmin, 100%);
  max-width: 900px;
  margin: 0 auto;
}

.omni-dygra-table-container::before {
  content: "";
  display: block;
  padding-top: 100%;
}

.omni-dygra-table {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  table-layout: fixed;
}

.omni-dygra-table {
  border-collapse: collapse;
  background-color: #ffffff;
  border: 2px solid #1f2937;
  font-family: inherit;
  font-size: 15px;
}

.omni-dygra-table th,
.omni-dygra-table td {
  border: 1px solid rgba(31, 41, 55, 0.45);
  width: 30px;
  height: 30px;
  min-width: 30px;
  text-align: center;
  padding: 0;
}

.omni-dygra-table td {
  background-color: #ffffff;
  cursor: crosshair;
}

.omni-dygra-table td.is-correct {
  box-shadow: inset 0 0 0 2px rgba(17, 24, 39, 0.55);
}

.omni-dygra-table thead th {
  background-color: #e2e8f0;
  font-weight: 600;
}

.omni-dygra-table tbody th {
  background-color: #e2e8f0;
  font-weight: 600;
}

/* Legend typography enlarged per request (both normal and fullscreen views) */
.omni-dygra-legend {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-family: 'Arial', sans-serif;
  color: #000000;
  font-size: 1.5rem; /* was ~1rem, +50% for better readability */
}

.omni-dygra-legend-title {
  font-size: 1.2rem;
  margin: 0;
}

.omni-dygra-legend-empty {
  margin: 0;
  color: #000000;
}

.omni-dygra-legend-info {
  margin: 0;
  color: #000000;
  font-size: 0.95rem;
}

.omni-dygra-legend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* 50% larger legend entries – affects default and fullscreen */
.omni-dygra-legend-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-family: 'Arial', sans-serif;
  font-size: 22px; /* was 15px */
  line-height: 1.45;
}

.omni-dygra-legend-swatch {
  width: 30px;
  height: 30px;
  border-radius: 4px;
  border: none;
  appearance: none;
  cursor: pointer;
  display: inline-block;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.35);
  padding: 0;
  box-sizing: border-box;
  flex: 0 0 30px;
  margin-top: 3px;
}

.omni-dygra-legend-swatch:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.omni-dygra-legend-coords {
  display: inline;
}

/* Coordinates scale up together with legend text */
.omni-dygra-legend-coord {
  font-weight: 600;
  font-size: 1.5rem;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.omni-dygra-legend-coord.is-complete {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  color: #9ca3af;
}

.omni-dygra-teacher {
  margin: 0 0 1.5rem;
  padding: 0;
  border: 0;
  background: none;
  color: #000000;
}

.omni-dygra-admin-note {
  margin: 1.5rem 0 0;
  padding: 0;
  border: 0;
  background: none;
  color: #000000;
}

.omni-dygra-empty {
  margin: 1rem 0;
  color: #000000;
}

.omni-save-result-section {
  max-width: 400px;
  margin: 18px auto 0;
  padding: 20px;
  background: #fdfdfd;
  border: 1px solid #eee;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  text-align: center;
}

.omni-save-checkbox-label {
  display: block;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: 600;
  color: #4f883d;
}

.omni-save-checkbox-label input {
  margin-right: 8px;
  transform: scale(1.2);
  vertical-align: middle;
}

.omni-learner-name-field {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #e0e0e0;
}

.omni-learner-name-field > label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: #555;
  margin-bottom: 8px;
  text-align: center;
}

.omni-learner-name-input {
  width: 100%;
  padding: 18px 20px;
  font-size: 16px;
  line-height: 1.45;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 54px;
}

.omni-learner-name-input:focus {
  outline: none;
  border-color: #4f883d;
  box-shadow: 0 0 0 3px rgba(79, 136, 61, 0.15);
}

.omni-learner-name-input:read-only,
.omni-learner-name-input:disabled {
  background: #f0f0f0;
  cursor: not-allowed;
}

.omni-save-result-btn {
  display: block;
  width: 100%;
  padding: 14px 24px;
  margin: 8px 0 12px;
  background: linear-gradient(135deg, #4f883d 0%, #3e6c31 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.omni-save-result-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 136, 61, 0.3);
}

.omni-save-result-btn.saved {
  background-color: #4f883d !important;
  cursor: default;
}

.omni-save-result-btn:disabled {
  opacity: 0.7;
}

.omni-privacy-note {
  margin: 0 0 10px;
  font-size: 12px;
  color: #1e1e1e;
  font-style: italic;
  text-align: center;
}

.omni-save-result-message {
  margin-top: 15px;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 0.9em;
  font-weight: 500;
  text-align: center;
}

.omni-save-result-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.omni-save-result-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

@media (max-width: 600px) {
  .omni-save-result-section {
    max-width: 100%;
    padding: 15px;
  }
}