/* style.css — MD2PDF / Practical AI — bold modern theme */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Nunito:wght@700;800;900&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #1a1210;
  color: #3D2B1F;
  overflow: hidden;
}

/* ═══════════════ Header ═══════════════ */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: #3D2B1F;
  height: 53px;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.doc-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.3px;
  color: #E06B4B;
  text-transform: uppercase;
}

.doc-name-wrap {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 7px;
  padding: 5px 10px;
  transition: all 0.15s;
}

.doc-name-wrap:focus-within {
  background: rgba(255,255,255,0.12);
  border-color: #E06B4B;
}

.doc-name-icon {
  color: rgba(255,255,255,0.3);
  flex-shrink: 0;
}

#doc-name {
  background: none;
  border: none;
  outline: none;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  width: 320px;
}

#doc-name::placeholder {
  color: rgba(255,255,255,0.3);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

select {
  padding: 7px 12px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  background: rgba(255,255,255,0.08);
  color: #fff;
  cursor: pointer;
  -webkit-appearance: none;
  transition: border-color 0.15s;
}

select:hover {
  border-color: rgba(255,255,255,0.3);
}

select option {
  background: #3D2B1F;
  color: #fff;
}

button {
  display: flex;
  align-items: center;
  padding: 8px 17px;
  background: #E06B4B;
  color: #fff;
  border: none;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 800;
  font-family: 'Nunito', 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.15s;
}

button:hover {
  background: #f07858;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(224, 107, 75, 0.35);
}

button:active {
  transform: translateY(0);
}

button:disabled {
  background: #a07060;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ═══════════════ Main layout ═══════════════ */
main {
  display: flex;
  height: calc(100vh - 53px);
}

/* ═══════════════ Sidebar ═══════════════ */
.sidebar {
  width: 218px;
  background: #241a14;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 0 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
  width: 30px;
  height: 30px;
  background: #E06B4B;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 800;
  font-family: 'Nunito', 'Inter', sans-serif;
  color: #fff;
  letter-spacing: -0.3px;
}

.sidebar-content {
  flex: 1;
  padding: 20px 15px 15px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.widget-headline {
  font-size: 19px;
  font-weight: 900;
  font-family: 'Nunito', 'Inter', sans-serif;
  color: #E06B4B;
  line-height: 1.3;
  margin-bottom: 7px;
  letter-spacing: -0.3px;
}

.widget-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  line-height: 1.55;
}

/* Stats */
.sidebar-stats {
  display: flex;
  gap: 6px;
}

.stat {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 9px;
  padding: 8px 5px;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 19px;
  font-weight: 800;
  color: #E06B4B;
}

.stat-label {
  display: block;
  font-size: 9px;
  font-weight: 700;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-top: 2px;
}

/* Rotating tips */
.sidebar-tip {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  line-height: 1.55;
  transition: opacity 0.3s ease;
  font-style: italic;
}

/* Footer / CTA */
.sidebar-footer {
  padding: 13px 15px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar-cta {
  display: block;
  padding: 15px 15px;
  background: linear-gradient(135deg, #E06B4B 0%, #d4553a 100%);
  border: none;
  border-radius: 17px;
  font-size: 17px;
  font-weight: 800;
  font-family: 'Nunito', 'Inter', sans-serif;
  color: #fff;
  text-decoration: none;
  line-height: 1.35;
  letter-spacing: -0.2px;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 5px 17px rgba(224, 107, 75, 0.35);
  position: relative;
  overflow: hidden;
}

.sidebar-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.sidebar-cta:hover::before {
  opacity: 1;
}

.sidebar-cta:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 28px rgba(224, 107, 75, 0.5);
}

.cta-arrow {
  display: inline-block;
  font-size: 19px;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.sidebar-cta:hover .cta-arrow {
  transform: translateX(5px);
}

.cta-url {
  display: block;
  font-size: 10px;
  font-weight: 700;
  font-family: 'SF Mono', 'Fira Code', 'Menlo', monospace;
  color: rgba(255,255,255,0.5);
  margin-top: 7px;
  padding-top: 7px;
  border-top: 1px solid rgba(255,255,255,0.15);
  letter-spacing: 0.3px;
}

/* Floating bubble */
.sidebar-bubble {
  position: absolute;
  bottom: 80px;
  right: -8px;
  width: 8px;
  height: 8px;
  background: #E06B4B;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.8); opacity: 0; }
}

/* ═══════════════ Editor pane ═══════════════ */
.editor-pane {
  flex: 1;
  display: flex;
  background: #faf9f7;
  overflow: hidden;
  min-width: 0;
}

.line-numbers {
  width: 44px;
  padding: 20px 9px 20px 12px;
  text-align: right;
  font-family: 'SF Mono', 'Fira Code', 'Menlo', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #d0c8c0;
  background: #faf9f7;
  overflow: hidden;
  white-space: pre;
  user-select: none;
  flex-shrink: 0;
  border-right: 1px solid #ece6e0;
}

.editor-pane textarea {
  flex: 1;
  padding: 20px 20px 20px 12px;
  border: none;
  outline: none;
  resize: none;
  font-family: 'SF Mono', 'Fira Code', 'Menlo', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #3D2B1F;
  background: transparent;
  tab-size: 2;
}

.editor-pane.drag-over {
  outline: 2px dashed #E06B4B;
  outline-offset: -2px;
  background: #fdf2ec;
}

.editor-pane textarea::placeholder {
  color: #ccc;
}

/* ═══════════════ Divider ═══════════════ */
.divider {
  width: 1px;
  background: #e0d8d0;
  flex-shrink: 0;
}

/* ═══════════════ Preview pane ═══════════════ */
.preview-pane {
  flex: 1;
  overflow-y: auto;
  background: #fff;
  min-width: 0;
  position: relative;
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 33px;
  text-align: center;
}

.empty-icon {
  width: 67px;
  height: 67px;
  background: linear-gradient(135deg, #E06B4B 0%, #f09878 100%);
  border-radius: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 17px;
  letter-spacing: -0.5px;
}

.empty-state h2 {
  font-size: 22px;
  font-weight: 900;
  font-family: 'Nunito', 'Inter', sans-serif;
  color: #3D2B1F;
  margin-bottom: 7px;
  letter-spacing: -0.3px;
}

.empty-state p {
  font-size: 14px;
  color: #998880;
  margin-bottom: 20px;
  max-width: 240px;
}

.empty-hints {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.empty-hints span {
  display: inline-block;
  padding: 5px 10px;
  background: #faf5f0;
  border: 1px solid #ece0d6;
  border-radius: 7px;
  font-family: 'SF Mono', 'Fira Code', 'Menlo', monospace;
  font-size: 12px;
  color: #b09080;
  font-weight: 500;
}

/* Preview content */
#preview {
  max-width: 590px;
  margin: 0 auto;
  padding: 33px 42px;
  font-family: Helvetica, Arial, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 12px;
  line-height: 1.6;
  color: #333;
  display: none;
}

#preview h1 {
  font-size: 1.85em;
  font-weight: 300;
  color: #333;
  margin-top: 0;
  margin-bottom: 0.15em;
  line-height: 1.25;
}

#preview h2 {
  font-size: 1.4em;
  font-weight: 700;
  color: #1a1a1a;
  margin-top: 0.6em;
  margin-bottom: 0.4em;
}

#preview h3 {
  font-size: 1.1em;
  font-weight: 700;
  color: #1a1a1a;
  margin-top: 1em;
  margin-bottom: 0.3em;
}

#preview p { margin: 0.6em 0; }

#preview hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 1.4em 0;
}

#preview ul, #preview ol {
  padding-left: 2em;
  margin: 0.5em 0;
}

#preview li {
  margin: 0.25em 0;
  line-height: 1.55;
}

#preview strong { font-weight: 700; }

#preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
}

#preview th {
  text-align: left;
  font-weight: 700;
  padding: 0.5em 0.8em;
  border-bottom: 2px solid #ddd;
}

#preview td {
  padding: 0.4em 0.8em;
  border-bottom: 1px solid #eee;
  vertical-align: top;
}

#preview blockquote {
  border-left: 3px solid #ddd;
  margin: 0.8em 0;
  padding: 0.4em 1em;
  color: #555;
}

#preview code {
  background: #f5f5f5;
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}

/* ═══════════════ Welcome Modal ═══════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 18, 16, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.modal {
  background: #fff;
  border-radius: 24px;
  max-width: 720px;
  width: 90vw;
  display: flex;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
  animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  transform: translateY(30px);
}

@keyframes slideUp {
  to { transform: translateY(0); }
}

.modal-visual {
  width: 200px;
  background: linear-gradient(160deg, #E06B4B 0%, #d4553a 50%, #3D2B1F 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  flex-shrink: 0;
  gap: 16px;
}

.modal-emoji {
  font-size: 58px;
  line-height: 1;
}

.modal-badge {
  background: rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  font-family: 'Nunito', 'Inter', sans-serif;
  text-align: center;
  letter-spacing: -0.2px;
  line-height: 1.3;
}

.modal-body {
  flex: 1;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-body h2 {
  font-family: 'Nunito', 'Inter', sans-serif;
  font-size: 26px;
  font-weight: 900;
  color: #3D2B1F;
  line-height: 1.25;
  letter-spacing: -0.3px;
  margin: 0;
}

.modal-body h2 span {
  color: #E06B4B;
}

.modal-body p {
  font-size: 17px;
  color: #6B5B52;
  line-height: 1.65;
  margin: 0;
}

.modal-body p strong {
  color: #3D2B1F;
  font-weight: 700;
}

.modal-features {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 4px 0;
}

.modal-features span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 13px;
  background: #FDF2EC;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #E06B4B;
}

.modal-dismiss {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  background: #3D2B1F;
  color: #fff;
  border: none;
  border-radius: 14px;
  font-size: 18px;
  font-weight: 800;
  font-family: 'Nunito', 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  align-self: flex-start;
  margin-top: 4px;
}

.modal-dismiss:hover {
  background: #E06B4B;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(224, 107, 75, 0.35);
}

/* ═══════════════ Spinner ═══════════════ */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 6px;
  vertical-align: -2px;
}

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

/* ═══════════════ SEO content (visually hidden) ═══════════════ */
.seo-content {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ═══════════════ Mobile gate ═══════════════ */
.mobile-gate {
  display: none;
}

@media (max-width: 768px) {
  .mobile-gate {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    padding: 40px;
    text-align: center;
    background: #1a1210;
  }

  .mobile-gate-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #E06B4B 0%, #f09878 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 24px;
  }

  .mobile-gate h2 {
    font-family: 'Nunito', 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 900;
    color: #E06B4B;
    margin-bottom: 12px;
  }

  .mobile-gate p {
    font-size: 16px;
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
    max-width: 300px;
  }

  header, main, .modal-overlay {
    display: none !important;
  }
}