/* ─── Variables（script.ai-portal.jp と共通）──────────────────────── */
:root {
  --c-primary: #2563EB;
  --c-primary-h: #1D4ED8;
  --c-primary-light: #EFF6FF;
  --c-danger: #DC2626;
  --c-warning: #F59E0B;
  --c-success: #059669;
  --c-bg: #F7F7F8;
  --c-surface: #FFFFFF;
  --c-border: #E0E0E0;
  --c-text: #1A1A1A;
  --c-muted: #6B7280;
  --font: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Yu Gothic UI', 'Inter', sans-serif;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* ─── Reset & Base ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  min-height: 100vh;
}

/* ─── Layout ─────────────────────────────────────────────────────── */
.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px;
}

.app-header {
  text-align: center;
  margin-bottom: 32px;
}
.app-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
}
.app-header p {
  color: var(--c-muted);
  font-size: 14px;
}

/* ─── Card ───────────────────────────────────────────────────────── */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--c-text);
}

/* ─── Tabs ───────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--c-border);
}
.tab {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-muted);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.tab:hover { color: var(--c-text); }
.tab.active {
  color: var(--c-primary);
  border-bottom-color: var(--c-primary);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Drop Zone ──────────────────────────────────────────────────── */
.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}
.drop-zone {
  border: 2px dashed var(--c-border);
  border-radius: var(--radius);
  padding: 24px 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--c-primary);
  background: var(--c-primary-light);
}
.drop-zone.has-file {
  border-color: var(--c-success);
  border-style: solid;
  background: #F0FDF4;
}
.drop-zone .label {
  font-size: 12px;
  font-weight: 600;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.drop-zone .icon {
  font-size: 24px;
  color: var(--c-muted);
}
.drop-zone.has-file .icon { color: var(--c-success); }
.drop-zone .filename {
  font-size: 11px;
  color: var(--c-success);
  word-break: break-all;
  max-width: 100%;
}

/* ─── Form ───────────────────────────────────────────────────────── */
.form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.form-row:last-child { margin-bottom: 0; }
.form-row label {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-muted);
  min-width: 100px;
}
.form-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}
.form-input:focus { border-color: var(--c-primary); }
.form-input[readonly] {
  background: var(--c-bg);
  color: var(--c-muted);
}

/* ─── Button ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-primary {
  background: var(--c-primary);
  color: #FFF;
  width: 100%;
  padding: 12px;
  font-size: 15px;
}
.btn-primary:hover:not(:disabled) { background: var(--c-primary-h); }
.btn-secondary {
  background: var(--c-surface);
  color: var(--c-text);
  border: 1px solid var(--c-border);
  padding: 8px 16px;
}
.btn-secondary:hover:not(:disabled) { background: var(--c-bg); }
.btn-export {
  width: auto;
  padding: 8px 20px;
  font-size: 14px;
}

/* ─── Progress Overlay ───────────────────────────────────────────── */
.progress-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
  gap: 16px;
}
.progress-overlay .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--c-border);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.progress-overlay .step {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text);
}
.progress-overlay .substep {
  font-size: 12px;
  color: var(--c-muted);
}

/* ─── Toast ──────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--c-text);
  color: #FFF;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  z-index: 200;
  transition: transform 0.3s ease;
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--c-danger); }

/* ─── Hidden ─────────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ═══════════════════════════════════════════════════════════════════
   Report View
   ═══════════════════════════════════════════════════════════════════ */

.report-view {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.report-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  background: var(--c-bg);
  z-index: 10;
}
.toolbar-spacer { flex: 1; }
.report-meta {
  font-size: 12px;
  color: var(--c-muted);
}

/* ─── Report Container ───────────────────────────────────────────── */
.report-container {
  background: var(--c-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.report-section {
  padding: 40px;
  border-bottom: 1px solid var(--c-border);
}
.report-section:last-child { border-bottom: none; }

/* ─── Header Section ─────────────────────────────────────────────── */
.report-header {
  background: #1C4587;
  color: #FFF;
  text-align: center;
  padding: 60px 40px;
}
.report-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  outline: none;
}
.report-title:focus {
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}
.report-account, .report-period {
  margin-bottom: 8px;
}
.report-account label, .report-period label {
  font-size: 14px;
  color: #90CAF9;
  margin-right: 8px;
}
.report-date {
  font-size: 12px;
  color: #64B5F6;
  margin-top: 12px;
}

/* ─── Editable Inputs ────────────────────────────────────────────── */
.edit-input {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 4px 8px;
  font-family: var(--font);
  font-size: 14px;
  color: inherit;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
.edit-input:hover { border-color: rgba(255,255,255,0.3); }
.edit-input:focus {
  border-color: var(--c-primary);
  background: rgba(255,255,255,0.1);
}
.edit-large { font-size: 20px; }

/* ─── Section Title ──────────────────────────────────────────────── */
.section-title {
  font-size: 20px;
  font-weight: 700;
  color: #1C4587;
  margin-bottom: 24px;
}

/* ─── KPI Grid ───────────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.kpi-card {
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  color: #FFF;
}
.kpi-blue { background: #2563EB; }
.kpi-red { background: #DC2626; }
.kpi-green { background: #059669; }
.kpi-purple { background: #7C3AED; }

.kpi-input {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  width: 100%;
  color: #FFF;
}
.kpi-label {
  font-size: 12px;
  color: rgba(255,255,255,0.85);
  margin-top: 8px;
}

/* ─── Highlights ─────────────────────────────────────────────────── */
.highlights {
  background: var(--c-primary-light);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.highlights ul { list-style: none; }
.highlights li {
  font-size: 13px;
  color: var(--c-text);
  padding: 4px 0;
}
.highlights li::before {
  content: '\2022 ';
  color: var(--c-primary);
  font-weight: bold;
  margin-right: 6px;
}

/* ─── Charts ─────────────────────────────────────────────────────── */
.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.chart-container {
  position: relative;
  height: 300px;
  background: var(--c-bg);
  border-radius: var(--radius);
  padding: 16px;
}
.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}
.chart-wide {
  grid-column: 1 / -1;
  height: 400px;
}

/* ─── Tables ─────────────────────────────────────────────────────── */
.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 16px;
}
.report-table th {
  background: #1C4587;
  color: #FFF;
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
}
.report-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--c-border);
}
.report-table tbody tr:nth-child(even) {
  background: var(--c-bg);
}
.insight-cell {
  font-size: 11px;
  color: var(--c-muted);
  max-width: 200px;
}

/* ─── Insights ───────────────────────────────────────────────────── */
.insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.insight-block h3 {
  font-size: 16px;
  color: #1C4587;
  margin-bottom: 12px;
  font-weight: 600;
}
.editable-text {
  min-height: 100px;
  padding: 12px;
  border: 1px dashed transparent;
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.8;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
.editable-text:hover { border-color: var(--c-border); }
.editable-text:focus {
  border-color: var(--c-primary);
  background: var(--c-primary-light);
}

.assessment-block {
  background: var(--c-bg);
  border-radius: var(--radius);
  padding: 20px;
}
.assessment-block h3 {
  font-size: 16px;
  color: #1C4587;
  margin-bottom: 12px;
}

/* ─── Print / PDF Styles ─────────────────────────────────────────── */
.printing .report-toolbar { display: none !important; }
.printing .edit-input { border-color: transparent !important; }
.printing .editable-text { border-color: transparent !important; }
.printing [contenteditable] { outline: none !important; }

@media print {
  .report-toolbar { display: none !important; }
  .progress-overlay { display: none !important; }
  .toast { display: none !important; }
  .report-section {
    page-break-inside: avoid;
    page-break-after: always;
  }
  .report-section:last-child { page-break-after: auto; }
  .edit-input { border: none !important; background: transparent !important; }
  .editable-text { border: none !important; background: transparent !important; }
  [contenteditable] { outline: none !important; }
}

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 800px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-row { grid-template-columns: 1fr; }
  .insights-grid { grid-template-columns: 1fr; }
  .report-section { padding: 24px 16px; }
}
@media (max-width: 600px) {
  .upload-grid { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; align-items: stretch; }
  .form-row label { min-width: auto; }
}