/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --success: #059669;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --bg: #f1f5f9;
  --panel-bg: #ffffff;
  --border: #e2e8f0;
  --border-dark: #cbd5e1;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
}

html, body {
  height: 100%;
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   App Layout
   ============================================================ */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ============================================================
   Header
   ============================================================ */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 60px;
  background: var(--primary);
  color: white;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
  z-index: 100;
}

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

.header-logo {
  display: flex;
  align-items: center;
  opacity: 0.9;
}

.app-header h1 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.header-sub {
  font-size: 11px;
  opacity: 0.75;
  display: block;
  margin-top: 1px;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.btn-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1.5px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.12);
  color: white;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-header:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.65);
}

.btn-pdf-h {
  background: rgba(255,255,255,0.18);
}

/* ============================================================
   Main Area
   ============================================================ */
.app-main {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* ============================================================
   Form Panel (Left)
   ============================================================ */
.form-panel {
  width: 420px;
  min-width: 360px;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  background: var(--panel-bg);
  border-right: 1px solid var(--border);
  overflow: hidden;
  flex-shrink: 0;
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tab-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: 12px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.tab-btn:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--primary-light);
}

/* Tab Contents */
.tab-contents {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.tab-content {
  display: none;
  animation: fadeIn 0.15s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-section {
  padding: 20px;
}

.section-title-form {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* Form Elements */
.form-group {
  margin-bottom: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}

.required {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: #dc2626;
  background: #fef2f2;
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 4px;
  vertical-align: middle;
}

.form-hint {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.5;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="month"],
select,
textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text);
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
  line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-light);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  cursor: pointer;
}

/* Buttons */
.btn-add {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 10px;
  border: 1.5px dashed var(--border-dark);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  justify-content: center;
  transition: all 0.15s;
  margin-top: 12px;
}

.btn-add:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn-add-sm {
  padding: 8px 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  flex-shrink: 0;
}

.btn-add-sm:hover {
  background: var(--primary-hover);
}

.btn-remove {
  padding: 4px 10px;
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-remove:hover {
  background: var(--danger);
  color: white;
}

.btn-remove-sm {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
  line-height: 1;
}

.btn-remove-sm:hover {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}

/* Entry Cards (Work History) */
.entry-card {
  background: #f8fafc;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}

.entry-card + .entry-card {
  margin-top: 0;
}

.entry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.entry-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 3px 9px;
  border-radius: 20px;
}

.period-row {
  align-items: end;
  gap: 8px;
}

.period-sep {
  font-size: 16px;
  color: var(--text-muted);
  padding-bottom: 10px;
  flex-shrink: 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  font-weight: 500;
  margin-top: 6px;
  cursor: pointer;
  color: var(--text-muted);
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  cursor: pointer;
}

/* Skills */
.skill-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.skill-tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 36px;
  padding: 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f8fafc;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px 4px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid #bfdbfe;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.skill-tag button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border: none;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  border-radius: 50%;
  transition: background 0.1s, color 0.1s;
  opacity: 0.6;
}

.skill-tag button:hover {
  background: var(--primary);
  color: white;
  opacity: 1;
}

/* Certifications */
.cert-header-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  padding: 0 4px;
}

.cert-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.cert-row input[type="month"] {
  width: 140px;
  flex-shrink: 0;
}

/* ============================================================
   Preview Panel (Right)
   ============================================================ */
.preview-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #dde1e7;
  overflow: hidden;
  min-width: 0;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: #4b5563;
  color: #d1d5db;
  font-size: 12.5px;
  font-weight: 500;
  flex-shrink: 0;
}

.preview-toolbar-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.preview-toolbar-actions {
  display: flex;
  gap: 6px;
}

.btn-toolbar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  color: #e5e7eb;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-toolbar:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.4);
  color: white;
}

.btn-pdf-t {
  background: rgba(37,99,235,0.35);
  border-color: rgba(96,165,250,0.4);
}

.btn-pdf-t:hover {
  background: rgba(37,99,235,0.55);
}

.preview-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  padding: 32px 24px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/* A4 Page */
.preview-page {
  width: 794px;
  min-height: 1123px;
  background: white;
  padding: 54px 64px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.05);
  flex-shrink: 0;
  font-size: 13px;
  line-height: 1.6;
  color: #1a1a1a;
}

/* Empty state */
.p-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  color: var(--text-light);
  gap: 16px;
  text-align: center;
}

.p-empty p {
  font-size: 14px;
  line-height: 1.8;
}

/* ============================================================
   Preview Document Styles
   ============================================================ */
.p-header {
  margin-bottom: 28px;
  text-align: right;
}

.p-date {
  font-size: 11.5px;
  color: #555;
  margin-bottom: 6px;
}

.p-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #111;
  text-align: center;
  padding-bottom: 10px;
  border-bottom: 2px solid #1e293b;
  margin-bottom: 0;
}

.p-section {
  margin-bottom: 24px;
}

.p-section-title {
  font-size: 13px;
  font-weight: 700;
  color: white;
  background: #1e293b;
  padding: 5px 12px;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.p-info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.p-info-table th,
.p-info-table td {
  padding: 6px 10px;
  border: 1px solid #d0d0d0;
  text-align: left;
  vertical-align: top;
}

.p-info-table th {
  background: #f5f5f5;
  font-weight: 600;
  color: #333;
  white-space: nowrap;
  width: 100px;
}

.p-kana {
  font-size: 11px;
  color: #666;
  margin-left: 4px;
}

.p-text {
  font-size: 12.5px;
  line-height: 1.75;
  color: #2c2c2c;
  white-space: pre-wrap;
}

/* Work Entry Preview */
.p-work-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.p-work-entry {
  padding: 12px 0;
  border-bottom: 1px solid #e8e8e8;
}

.p-work-entry:last-child {
  border-bottom: none;
}

.p-work-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
  flex-wrap: wrap;
  gap: 4px;
}

.p-work-company {
  font-size: 14px;
  font-weight: 700;
  color: #111;
}

.p-work-meta {
  font-size: 11.5px;
  color: #666;
}

.p-work-period {
  font-size: 12px;
  color: #2563eb;
  font-weight: 600;
  margin-bottom: 4px;
}

.p-work-position {
  font-size: 12px;
  color: #444;
  margin-bottom: 6px;
}

.p-work-desc,
.p-work-achieve {
  margin-top: 6px;
}

.p-label {
  font-size: 11px;
  font-weight: 700;
  color: #555;
  background: #f0f0f0;
  display: inline-block;
  padding: 1px 7px;
  margin-bottom: 4px;
  border-left: 3px solid #2563eb;
}

.p-work-achieve .p-label {
  border-left-color: #059669;
}

/* Skills Preview */
.p-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.p-skill-tag {
  display: inline-block;
  padding: 3px 10px;
  background: #f0f4ff;
  color: #1d4ed8;
  border: 1px solid #c7d7fd;
  border-radius: 3px;
  font-size: 11.5px;
  font-weight: 500;
}

.p-skill-detail {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.8;
  color: #333;
  white-space: pre-wrap;
}

/* Certifications Preview */
.p-cert-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.p-cert-table th {
  background: #f5f5f5;
  padding: 6px 10px;
  font-weight: 600;
  color: #333;
  border: 1px solid #d0d0d0;
  text-align: left;
}

.p-cert-table td {
  padding: 6px 10px;
  border: 1px solid #d0d0d0;
  vertical-align: top;
}

.p-cert-table th:first-child,
.p-cert-table td:first-child {
  width: 120px;
  white-space: nowrap;
}

/* ============================================================
   Print Styles
   ============================================================ */
@media print {
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .app-header,
  .form-panel,
  .preview-toolbar {
    display: none !important;
  }

  .app {
    display: block;
    height: auto;
    overflow: visible;
  }

  .app-main {
    display: block;
    height: auto;
    overflow: visible;
  }

  .preview-panel {
    background: white !important;
    overflow: visible;
    height: auto;
    flex: none;
    display: block;
  }

  .preview-container {
    padding: 0 !important;
    overflow: visible;
    display: block;
    height: auto;
  }

  .preview-page {
    box-shadow: none !important;
    width: 100% !important;
    min-height: auto !important;
    padding: 15mm 20mm !important;
    margin: 0 !important;
    page-break-inside: avoid;
  }

  .p-section {
    page-break-inside: avoid;
  }

  .p-work-entry {
    page-break-inside: avoid;
  }

  @page {
    size: A4 portrait;
    margin: 0;
  }
}

/* ============================================================
   Scrollbar Styling
   ============================================================ */
.tab-contents::-webkit-scrollbar,
.preview-container::-webkit-scrollbar {
  width: 6px;
}

.tab-contents::-webkit-scrollbar-track,
.preview-container::-webkit-scrollbar-track {
  background: transparent;
}

.tab-contents::-webkit-scrollbar-thumb,
.preview-container::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}

.tab-contents::-webkit-scrollbar-thumb:hover,
.preview-container::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .app-main {
    flex-direction: column;
    overflow-y: auto;
  }

  .form-panel {
    width: 100%;
    max-width: 100%;
    height: 50vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .preview-panel {
    height: 50vh;
  }

  .header-sub {
    display: none;
  }
}

/* ===== 関連ツールセクション ===== */
.related-tools {
  margin: 3rem auto;
  padding: 1.5rem;
  max-width: 900px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  text-align: center;
}
.related-tools h2 { font-size: 1.4rem; margin-bottom: 0.8rem; color: var(--primary); }
.related-tools p { color: #555; margin-bottom: 1rem; }
.tool-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-bottom: 1rem; }
.tool-card {
  display: inline-block; padding: 0.8rem 1.2rem;
  background: var(--primary-light); border: 1px solid var(--primary);
  border-radius: 10px; text-decoration: none; color: var(--primary);
  font-weight: 500; transition: all 0.2s;
}
.tool-card:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.more-tools a { color: var(--primary); text-decoration: none; }
.more-tools a:hover { text-decoration: underline; }
footer {
  text-align: center; padding: 1.5rem 0;
  background-color: #f1f5f9; color: #555;
  font-size: 0.9rem; border-top: 1px solid #e2e8f0; margin-top: 2rem;
}
.footer-nav a { color: var(--primary); text-decoration: none; margin: 0 0.5rem; }
.footer-nav a:hover { text-decoration: underline; }