/* ============================================================
   TEXT TO PDF — style.css
   Aesthetic: editorial / paper-light — ivory + slate
   ============================================================ */

:root {
  --navy:       #f6f1e7;
  --navy-mid:   #fffdfa;
  --navy-light: #eef3f8;
  --cream:      #182434;
  --cream-dim:  #324255;
  --gold:       #c9a84c;
  --gold-light: #e0c070;
  --teal:       #2ab5a0;
  --teal-dark:  #1d9080;
  --red-soft:   #c0443a;
  --text-main:  #182434;
  --text-muted: #667789;
  --border:     rgba(24,36,52,0.12);
  --radius:     10px;
  --shadow:     0 18px 50px rgba(24,36,52,0.08);
  --editor-font-stack: 'Ubuntu', 'Battambang', sans-serif;
  --preview-font-stack: 'Ubuntu', 'Battambang', sans-serif;
  --export-font-stack: 'Ubuntu', 'Battambang', sans-serif;
  --khmer-font-stack: 'Battambang', 'Ubuntu', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--navy);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(42,181,160,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(201,168,76,0.1) 0%, transparent 70%);
  color: var(--text-main);
  font-family: 'Ubuntu', 'Battambang', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.noscript-banner {
  background: #fff4d6;
  border-bottom: 1px solid rgba(24,36,52,0.1);
  color: #6c5314;
  font-size: 0.88rem;
  padding: 10px 16px;
  text-align: center;
}

/* ---- HEADER ---- */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 0 16px;
  background: rgba(255,253,250,0.88);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 1.5rem;
  color: var(--gold);
  line-height: 1;
}

.logo-text {
  font-family: 'Ubuntu', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.header-tagline {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ---- MAIN ---- */
.main-content {
  flex: 1;
  padding: 48px 0 60px;
}

/* ---- HERO ---- */
.hero-section {
  margin-bottom: 36px;
}

.hero-title-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.hero-title {
  font-family: 'Ubuntu', sans-serif;
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.01em;
  color: var(--cream);
  margin-bottom: 0;
}

.hero-title strong { font-weight: 700; color: var(--gold); }

.hero-title-image {
  width: clamp(92px, 14vw, 132px);
  height: auto;
  border-radius: 12px;
  box-shadow: 0 14px 34px rgba(24,36,52,0.12);
  border: 1px solid rgba(24,36,52,0.08);
  background: #fff;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.hero-sub strong {
  color: var(--teal);
  font-weight: 500;
}

.hero-font-input {
  max-width: 860px;
  margin: 18px auto 0;
  text-align: left;
}

.hero-font-label {
  justify-content: center;
  margin-bottom: 8px;
}

/* ---- CARD ---- */
.main-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.main-card .card-body {
  padding: 36px 36px 32px;
}

/* ---- SECTION LABEL ---- */
.section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.label-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

/* ---- EDITOR ---- */
.textarea-wrap { position: relative; }

.text-editor {
  border: 1px solid rgba(24,36,52,0.12);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.text-editor:focus-within {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(42,181,160,0.12);
}

.note-editor.note-frame,
.note-editor.note-airframe {
  border: 0 !important;
  background: transparent !important;
}

.note-toolbar {
  background: #f7f2e8 !important;
  border-bottom: 1px solid rgba(24,36,52,0.08) !important;
  padding: 12px 14px !important;
}

.note-editor .note-toolbar,
.note-editor .note-statusbar {
  border-color: rgba(24,36,52,0.08) !important;
}

.note-editing-area,
.note-editable {
  background: #fff !important;
}

.note-editor.note-frame .note-editing-area .note-editable {
  color: var(--text-main);
  font-family: var(--editor-font-stack);
  font-size: 1rem;
  line-height: 1.75;
  padding: 18px 20px;
}

.note-placeholder {
  color: rgba(102,119,137,0.5) !important;
  opacity: 0.5 !important;
}

.note-btn,
.note-btn-group .dropdown-toggle,
.note-dropdown-menu,
.note-modal-content {
  background: #fffdfa !important;
  color: var(--text-main) !important;
  border-color: rgba(24,36,52,0.12) !important;
}

.note-btn:hover,
.note-btn:focus,
.note-btn.active {
  background: rgba(201,168,76,0.12) !important;
  color: var(--gold-light) !important;
}

.note-statusbar {
  display: none !important;
}

.editor-hint {
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 8px;
}

.char-counter {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ---- SETTINGS PANEL ---- */
.settings-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.settings-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  background: rgba(255,255,255,0.03);
  transition: background 0.2s, color 0.2s;
}

.settings-toggle:hover {
  background: rgba(201,168,76,0.06);
  color: var(--gold-light);
}

.toggle-arrow {
  transition: transform 0.25s;
  display: inline-block;
}

.toggle-arrow.open { transform: rotate(180deg); }

.settings-body {
  display: none;
  padding: 4px 18px 18px;
  border-top: 1px solid var(--border);
}

.settings-body.open { display: block; }

.setting-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 5px;
}

.setting-input {
  background: #fff;
  border: 1px solid rgba(24,36,52,0.14);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 0.9rem;
  padding: 7px 10px;
  width: 100%;
  transition: border-color 0.2s;
}

.setting-input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(42,181,160,0.1);
}

.setting-input:invalid:not(:placeholder-shown) {
  border-color: rgba(192,68,58,0.7);
  box-shadow: 0 0 0 2px rgba(192,68,58,0.08);
}

.setting-help {
  color: var(--text-muted);
  font-size: 0.72rem;
  line-height: 1.45;
  margin-top: 6px;
}

/* ---- ACTION ROW ---- */
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Ubuntu', sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 11px 24px;
  transition: all 0.2s;
}

.btn-icon { font-size: 1rem; line-height: 1; }

/* Generate */
.btn-generate {
  background: linear-gradient(135deg, var(--gold) 0%, #a87830 100%);
  color: var(--navy);
  box-shadow: 0 4px 18px rgba(201,168,76,0.3);
}
.btn-generate:hover {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
  box-shadow: 0 6px 24px rgba(201,168,76,0.45);
  transform: translateY(-1px);
}
.btn-generate:active { transform: translateY(0); }

/* Download */
.btn-download {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 18px rgba(42,181,160,0.25);
}
.btn-download:hover:not(:disabled) {
  filter: brightness(1.1);
  box-shadow: 0 6px 24px rgba(42,181,160,0.4);
  transform: translateY(-1px);
}
.btn-download:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

/* Clear */
.btn-clear {
  background: transparent;
  border: 1px solid rgba(192,68,58,0.4);
  color: rgba(192,68,58,0.8);
  padding: 10px 20px;
}
.btn-clear:hover {
  background: rgba(192,68,58,0.08);
  border-color: var(--red-soft);
  color: #e06058;
}

/* ---- STATUS ---- */
.status-msg {
  margin-top: 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  padding: 12px 18px;
}
.status-msg.success {
  background: rgba(42,181,160,0.1);
  border: 1px solid rgba(42,181,160,0.3);
  color: var(--teal);
}
.status-msg.error {
  background: rgba(192,68,58,0.1);
  border: 1px solid rgba(192,68,58,0.3);
  color: #e06058;
}
.status-msg.info {
  background: rgba(201,168,76,0.08);
  border: 1px solid rgba(201,168,76,0.22);
  color: #8a6b21;
}

/* ---- PREVIEW ---- */
.preview-panel {
  margin-top: 32px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: fadeUp 0.35s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8f4ec;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 11px 20px;
}

.preview-badge {
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 20px;
  color: #8a6b21;
  font-size: 0.72rem;
  padding: 2px 10px;
}

.preview-content {
  background: #f3eee5;
  padding: 28px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  max-height: 520px;
  overflow-y: auto;
}

/* A4 page simulation */
.preview-page {
  background: #fff;
  border-radius: 3px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.6);
  color: #111;
  font-family: var(--preview-font-stack);
  font-size: 11px;
  line-height: 1.75;
  overflow: hidden;
  /* A4 ratio at preview scale */
  width: 240px;
  min-height: 339px;
  padding: 0;
  position: relative;
  word-break: break-word;
  white-space: pre-wrap;
  flex-shrink: 0;
}

.preview-page-image {
  display: block;
  width: 100%;
  height: auto;
}

.preview-page-num {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 8px;
  color: #aaa;
}

.seo-copy {
  margin-top: 36px;
  padding: 24px 26px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,253,250,0.82);
}

.seo-title {
  margin: 0 0 10px;
  color: var(--text-main);
  font-family: 'Ubuntu', sans-serif;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 400;
}

.seo-text {
  margin: 0 0 10px;
  color: var(--text-muted);
  line-height: 1.75;
}

.seo-text:last-child {
  margin-bottom: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.info-card,
.faq-section {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,253,250,0.82);
  padding: 24px 26px;
}

.info-title,
.faq-question {
  color: var(--text-main);
  font-family: 'Ubuntu', sans-serif;
}

.info-title {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 12px;
}

.info-text,
.faq-answer {
  color: var(--text-muted);
  line-height: 1.75;
}

.info-text {
  margin: 0 0 12px;
}

.info-list {
  color: var(--text-muted);
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.8;
}

.faq-section {
  margin-top: 18px;
}

.faq-item + .faq-item {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(24,36,52,0.08);
}

.faq-question {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 8px;
}

.faq-answer {
  margin: 0;
}

/* ---- FOOTER ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.export-root {
  position: fixed;
  left: -100000px;
  top: 0;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.export-sheet {
  background: #fff;
  color: #111;
  padding: 28px 34px 22px;
  font-family: var(--export-font-stack);
}

.export-sheet-content {
  min-height: 0;
  padding: 0;
  background: #fff;
  color: #111;
  font-family: var(--export-font-stack);
}

.export-sheet-content.summernote-content p,
.export-sheet-content.summernote-content ol,
.export-sheet-content.summernote-content ul,
.export-sheet-content.summernote-content pre,
.export-sheet-content.summernote-content blockquote,
.export-sheet-content.summernote-content h1,
.export-sheet-content.summernote-content h2,
.export-sheet-content.summernote-content h3,
.export-sheet-content.summernote-content h4,
.export-sheet-content.summernote-content h5,
.export-sheet-content.summernote-content h6,
.export-sheet-content.summernote-content li,
.export-sheet-content.summernote-content span {
  color: #111;
}

.export-sheet-content.summernote-content {
  font-family: var(--export-font-stack);
  color: #111 !important;
}

.export-sheet-content.summernote-content *,
.export-sheet-content.summernote-content a,
.export-sheet-content.summernote-content strong,
.export-sheet-content.summernote-content b,
.export-sheet-content.summernote-content em,
.export-sheet-content.summernote-content u {
  color: #111 !important;
}

.export-sheet-content.summernote-content .khmer-min-font {
  font-family: var(--khmer-font-stack);
  line-height: inherit;
}

.export-sheet-content.summernote-content blockquote {
  border-left: 4px solid #d3d8e2;
  margin-left: 0;
  padding-left: 16px;
  color: #384556;
}

.export-sheet-content.summernote-content ul,
.export-sheet-content.summernote-content ol {
  padding-left: 1.5rem;
}

.export-sheet-content.summernote-content h1,
.export-sheet-content.summernote-content h2 {
  font-family: var(--export-font-stack);
}

/* ---- SPINNER ---- */
.spinner-ring {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(24,36,52,0.18);
  border-top-color: var(--text-main);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- RESPONSIVE ---- */
@media (max-width: 576px) {
  .main-card .card-body { padding: 22px 16px 20px; }
  .action-row { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .preview-page { width: 180px; min-height: 254px; font-size: 9px; }
  .hero-title-row { gap: 12px; }
  .hero-title-image { width: 96px; }
  .info-grid { grid-template-columns: 1fr; }
  .info-card,
  .faq-section,
  .seo-copy { padding: 20px 18px; }
}