/* ============================================================
   MY 心臓 PASSPORT — style.css
   ============================================================ */

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

:root {
  --c-bg:        #fdf6f6;
  --c-surface:   #ffffff;
  --c-primary:   #c0392b;
  --c-primary-d: #96281b;
  --c-primary-l: #e74c3c;
  --c-accent:    #e84393;
  --c-text:      #1a1a2e;
  --c-muted:     #6b7280;
  --c-border:    #e5e7eb;
  --c-warn-bg:   #fff3cd;
  --c-warn-brd:  #f59e0b;
  --c-warn-text: #92400e;
  --c-save:      #059669;
  --c-save-d:    #047857;
  --radius:      12px;
  --shadow:      0 4px 20px rgba(192,57,43,0.10);
  --shadow-lg:   0 8px 40px rgba(192,57,43,0.15);
  --transition:  0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background: linear-gradient(135deg, #fdf6f6 0%, #fce4e4 50%, #fdf0f8 100%);
  min-height: 100vh;
  color: var(--c-text);
  line-height: 1.6;
}

/* ── Header ── */
.app-header {
  background: linear-gradient(135deg, var(--c-primary) 0%, #8b0000 60%, var(--c-primary-d) 100%);
  color: #fff;
  padding: 28px 32px 20px;
  box-shadow: 0 4px 24px rgba(150,40,27,0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.header-icon { font-size: 48px; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3)); }
.app-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.app-subtitle { font-size: 0.9rem; opacity: 0.8; margin-top: 2px; }

.privacy-notice {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.82rem;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  backdrop-filter: blur(4px);
}
.privacy-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

/* ── Main layout ── */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 1400px;
  margin: 28px auto;
  padding: 0 24px 40px;
}
@media (max-width: 960px) {
  .main-layout { grid-template-columns: 1fr; }
}

/* ── Panels ── */
.form-panel, .preview-panel {
  background: var(--c-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.form-section { margin-bottom: 28px; }

.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-primary);
  border-bottom: 2px solid var(--c-primary);
  padding-bottom: 8px;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}

/* ── Template cards ── */
.template-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.template-card {
  cursor: pointer;
  border: 2.5px solid var(--c-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
}
.template-card input[type="radio"] { display: none; }
.template-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.template-card span {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  color: var(--c-muted);
  padding: 6px 4px;
  background: #fafafa;
  border-top: 1px solid var(--c-border);
}
.template-card:has(input:checked) {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.2);
  transform: translateY(-2px);
}
.template-card:has(input:checked) span {
  color: var(--c-primary);
  font-weight: 700;
}

/* ── Form fields ── */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 600px) {
  .field-row { grid-template-columns: 1fr; }
  .template-grid { grid-template-columns: repeat(2, 1fr); }
}

.field-group { margin-bottom: 16px; }
.field-row .field-group { margin-bottom: 0; }

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.field-hint {
  font-weight: 400;
  color: var(--c-muted);
  font-size: 0.75rem;
}

.field-input, .field-textarea {
  width: 100%;
  border: 1.5px solid var(--c-border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--c-text);
  background: #fafafa;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.field-input:focus, .field-textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.12);
  background: #fff;
}
.field-textarea {
  resize: vertical;
  min-height: 72px;
  line-height: 1.6;
}
.field-textarea.rows3 { height: 90px; }
.field-textarea.rows6 { height: 160px; }

.line-counter {
  font-size: 0.72rem;
  color: var(--c-muted);
  text-align: right;
  margin-top: 4px;
  transition: color var(--transition);
}
.line-counter.over { color: var(--c-primary); font-weight: 700; }

/* ── Dental options ── */
.dental-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dental-option {
  cursor: pointer;
  border: 1.5px solid var(--c-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.dental-option input[type="radio"] { display: none; }
.dental-option-content {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.dental-icon { font-size: 1.1rem; flex-shrink: 0; }
.dental-option:has(input:checked) {
  border-color: var(--c-primary);
  background: #fff5f5;
  box-shadow: 0 0 0 2px rgba(192,57,43,0.15);
}
.dental-option:has(input:checked) .dental-option-content {
  font-weight: 600;
}

/* ── Warning ── */
.warning-area {
  display: none;
  background: var(--c-warn-bg);
  border: 1.5px solid var(--c-warn-brd);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--c-warn-text);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 20px;
  white-space: pre-line;
}
.warning-area.visible { display: block; }

/* ── Buttons ── */
.button-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-size: 0.92rem;
  font-family: inherit;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  letter-spacing: 0.03em;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-l));
  color: #fff;
  box-shadow: 0 4px 14px rgba(192,57,43,0.35);
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(192,57,43,0.45); }

.btn-save {
  background: linear-gradient(135deg, var(--c-save), var(--c-save-d));
  color: #fff;
  box-shadow: 0 4px 14px rgba(5,150,105,0.3);
}
.btn-save:hover { box-shadow: 0 6px 20px rgba(5,150,105,0.4); }

.btn-clear {
  background: #f1f5f9;
  color: var(--c-muted);
  border: 1.5px solid var(--c-border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.btn-clear:hover { background: #e2e8f0; }

/* ── Preview panel ── */
.canvas-wrapper {
  position: relative;
  width: 100%;
  background: #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16/9;
  margin-bottom: 10px;
}
#passport-canvas {
  width: 100%;
  height: 100%;
  display: none;
  object-fit: contain;
}
.canvas-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  gap: 10px;
}
.placeholder-icon { font-size: 3rem; opacity: 0.4; }
.canvas-placeholder p { font-size: 0.85rem; text-align: center; line-height: 1.7; }
.canvas-placeholder.hidden { display: none; }

.preview-note {
  font-size: 0.75rem;
  color: var(--c-muted);
  margin-top: 4px;
}

/* ── Footer ── */
.app-footer {
  text-align: center;
  padding: 20px;
  font-size: 0.75rem;
  color: var(--c-muted);
  border-top: 1px solid var(--c-border);
  background: rgba(255,255,255,0.5);
}