/* Universal Lesson Card Factory — EduWonderLab teacher tool */

:root {
  --bg-page: #f4f6f8;
  --bg-card: #ffffff;
  --bg-lesson: #fff9e8;
  --border: #d8dee6;
  --border-lesson: #e8dcc4;
  --text: #1f2933;
  --text-muted: #5a6775;
  --teal: #0d7c8c;
  --teal-light: #e6f4f6;
  --teal-dark: #095a66;
  --orange: #c45c00;
  --yellow-btn: #f5c842;
  --blue-btn: #5ba4d9;
  --blue-dark: #2f6fad;
  --peach: #f4a261;
  --black-btn: #1a1a1a;
  --warning-bg: #fff4e5;
  --warning-border: #e6a23c;
  --warning-text: #7a4b00;
  --success: #1a7f4b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 18px rgba(31, 41, 51, 0.08);
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  font-size: 18px;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-page);
  line-height: 1.5;
  min-height: 100vh;
}

.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.brand-badge {
  display: inline-block;
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.35rem;
}

.site-header h1 {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--teal);
}

.tagline {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 1rem;
}

.app-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.panel h2 {
  margin: 0 0 1rem;
  font-size: 1.2rem;
  color: var(--text);
}

.preset-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.preset-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.preset-btn {
  font: inherit;
  font-size: 0.82rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-page);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.preset-btn:hover {
  background: var(--teal-light);
  border-color: var(--teal);
  color: var(--teal-dark);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field-full {
  grid-column: 1 / -1;
}

.field-wide {
  grid-column: span 1;
}

.field label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.optional {
  font-weight: 400;
  color: var(--text-muted);
}

.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 0.95rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
  border-color: var(--teal);
}

.toggle-group {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}

.toggle-group legend {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0 0.25rem;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.4rem 0;
  font-size: 0.92rem;
  cursor: pointer;
}

.toggle input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--teal);
}

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.btn {
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--teal);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--teal-dark);
}

.btn-secondary {
  background: var(--bg-page);
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--teal-light);
  border-color: var(--teal);
}

.btn-copy {
  background: var(--bg-page);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
}

.btn-copy:hover:not(:disabled) {
  background: var(--teal-light);
  border-color: var(--teal);
}

.btn-export {
  background: var(--teal);
  color: #fff;
  border: 1px solid var(--teal);
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
}

.btn-export:hover:not(:disabled) {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
}

.scaffold-panel {
  margin-top: 1rem;
  padding: 1rem;
  background: #f0fafb;
  border: 1px solid #b8dde3;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.scaffold-panel h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--teal-dark);
}

.scaffold-panel p {
  margin: 0.35rem 0;
  color: var(--text);
}

.scaffold-command {
  margin: 0.6rem 0;
  padding: 0.75rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: "SF Mono", "Consolas", monospace;
  font-size: 0.78rem;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.scaffold-tip {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.extract-picker {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: 0.4rem;
}

.extract-picker select {
  flex: 1;
  font: inherit;
  font-size: 0.92rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.btn-small {
  font-size: 0.9rem;
  padding: 0.45rem 0.65rem;
  min-width: 2.5rem;
}

.field-hint {
  margin: 0.25rem 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.qa-warnings {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--warning-text);
}

.qa-warnings h3 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
}

.qa-warnings ul {
  margin: 0;
  padding-left: 1.2rem;
}

.qa-warnings li {
  margin: 0.2rem 0;
}

.card-preview-wrap {
  margin-bottom: 1rem;
}

.preview-placeholder {
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 1.5rem;
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  margin: 0;
}

/* EduWonderLab lesson card preview */
.lesson-card {
  background: var(--bg-lesson);
  border: 1px solid var(--border-lesson);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
}

.lesson-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.lesson-meta .unit-label {
  font-weight: 700;
  color: var(--text);
}

.lesson-meta .standard-badge {
  background: #eef1f5;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.lesson-title {
  margin: 0 0 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
}

.lesson-connection {
  margin-bottom: 0.75rem;
}

.lesson-connection h4 {
  margin: 0 0 0.25rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.lesson-connection p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text);
}

.lesson-objective {
  margin: 0 0 1rem;
  padding-top: 0.65rem;
  border-top: 2px solid var(--teal);
  font-size: 1rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.45;
}

.lesson-description {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.vocabulary-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.vocab-tag {
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

.resource-section {
  margin-bottom: 0.75rem;
}

.resource-section h4 {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.resource-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  cursor: default;
}

.resource-chip.interactive {
  background: var(--black-btn);
  color: #fff;
  border-color: var(--black-btn);
}

.resource-chip.guided-notes {
  background: var(--yellow-btn);
  border-color: #d4a82a;
}

.resource-chip.notes-pdf {
  background: var(--blue-btn);
  color: #fff;
  border-color: var(--blue-btn);
}

.resource-chip.notes-docx {
  background: var(--blue-dark);
  color: #fff;
  border-color: var(--blue-dark);
}

.resource-chip.homework {
  background: var(--peach);
  border-color: #d98a4a;
}

.resource-chip.support {
  background: #f0f4ff;
  border-color: #a8b8e8;
  color: #3d4f8a;
}

.resource-chip.challenge {
  background: #fce8f0;
  border-color: #d48ab0;
  color: #7a2d5c;
}

.support-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.65rem;
}

.support-chip {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: var(--teal-light);
  color: var(--teal-dark);
  border: 1px solid #b8dde3;
}

.twr-prompt {
  margin-top: 0.85rem;
  padding: 0.75rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

.twr-prompt h4 {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  color: var(--teal-dark);
}

.twr-prompt p {
  margin: 0.25rem 0;
}

.output-tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.tab-btn {
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--bg-page);
  color: var(--text-muted);
  cursor: pointer;
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--teal-dark);
  border-bottom-color: var(--bg-card);
}

.output-area {
  border: 1px solid var(--border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) var(--radius-sm);
  overflow: hidden;
}

.output-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.5rem 0.65rem;
  background: var(--bg-page);
  border-bottom: 1px solid var(--border);
}

.output-code {
  margin: 0;
  padding: 1rem;
  background: #fafbfc;
  font-family: "SF Mono", "Consolas", "Liberation Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.45;
  overflow-x: auto;
  max-height: 320px;
  white-space: pre-wrap;
  word-break: break-word;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--success);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  z-index: 100;
  transition: opacity 0.25s;
}

.site-footer {
  text-align: center;
  padding: 1rem 1.5rem 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

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

  .field-wide {
    grid-column: 1;
  }

  .preset-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .action-bar {
    flex-direction: column;
  }

  .action-bar .btn {
    width: 100%;
  }

  .lesson-title {
    font-size: 1.15rem;
  }

  .output-code {
    max-height: 240px;
  }
}

/* In-browser deck/doc import bar */
.import-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin:0 0 14px;padding:14px 16px;border:1.5px dashed #1fa6a2;border-radius:12px;
  background:rgba(31,166,162,.06);flex-wrap:wrap}
.import-bar strong{font-size:1rem}