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

:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-error: #dc2626;
  --color-success: #16a34a;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --radius: 8px;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Fields */
.field {
  margin-bottom: 1rem;
}

.field label,
fieldset legend {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

input[type="text"],
input[type="date"],
input[type="number"],
textarea,
input[type="file"] {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--color-surface);
  transition: border-color 0.15s;
}

input[type="date"] {
  max-width: 200px;
}

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

textarea {
  resize: vertical;
}

/* Genre grid */
.genre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.5rem;
}

.genre-card {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.8rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9rem;
  transition:
    border-color 0.15s,
    background 0.15s;
}

.genre-card:has(input:checked) {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.05);
}

.genre-card input[type="radio"] {
  width: auto;
  accent-color: var(--color-primary);
}

/* Expense rows */
.expense-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

.expense-row input[type="text"] {
  flex: 2;
}

.expense-row input[type="number"] {
  flex: 1;
}

.expense-row .btn-remove {
  padding: 0.4rem 0.6rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--color-error);
  font-size: 0.85rem;
}

.expense-total {
  margin-top: 0.5rem;
  text-align: right;
  font-weight: 600;
  font-size: 1rem;
}

/* Buttons */
.btn-primary {
  display: block;
  width: 100%;
  padding: 0.8rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 1rem;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  background: var(--color-text-muted);
  cursor: not-allowed;
  pointer-events: none;
}

.btn-secondary {
  padding: 0.4rem 0.8rem;
  background: none;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* htmx indicator */
.htmx-indicator {
  display: none;
  text-align: center;
  padding: 1rem;
  color: var(--color-text-muted);
}

.htmx-request .htmx-indicator {
  display: block;
}

.htmx-request .btn-primary {
  opacity: 0.6;
  pointer-events: none;
  background: var(--color-text-muted);
  cursor: not-allowed;
}

.htmx-request .btn-primary::after {
  content: " (送信中...)";
  font-weight: normal;
}

.spinner {
  display: inline-block;
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}

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

/* Result */
.result {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius);
}

.result.success {
  background: rgba(22, 163, 74, 0.08);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.result.success a {
  color: var(--color-primary);
  word-break: break-all;
}

.result.error {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

/* Image preview */
.image-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.preview-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}

.preview-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}

.preview-info {
  padding: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

.preview-info strong {
  color: var(--color-text);
  display: block;
  margin-bottom: 0.25rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Image modal (zoom) */
.image-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  cursor: pointer;
  padding: 1rem;
}

.image-modal img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius);
}

/* Interview section */
.interview-section {
  margin-top: 1rem;
  padding: 1.5rem;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
}

.interview-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.interview-intro {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.interview-questions {
  margin-bottom: 1.5rem;
}

.interview-question {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--color-bg);
  border-radius: var(--radius);
}

.interview-question label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.interview-question strong {
  color: var(--color-primary);
}

.interview-question textarea {
  width: 100%;
  min-height: 80px;
}

.interview-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

/* Site footer */
.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.site-footer p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: 0;
}