/* ==========================================
   Form Styles - davinci, Inc.
   Matches the LP dark aesthetic
========================================== */

:root {
  --bg: #050505;
  --bg-card: #0d0d0d;
  --bg-input: #111;
  --text: #e8e8e8;
  --text-muted: rgba(255,255,255,0.4);
  --border: rgba(255,255,255,0.08);
  --border-focus: rgba(255,255,255,0.25);
  --accent: #006D41;
  --accent-light: #00a86b;
  --error: #e74c3c;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Noto Sans JP', -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.8;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif JP', serif;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5,5,5,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-mark {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

.logo-text {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

/* Form Hero */
.form-hero {
  padding: 80px 0 40px;
  text-align: center;
}

.form-hero-tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.form-hero-title {
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.form-hero-lead {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 2;
}

/* Form Main */
.form-main {
  padding-bottom: 100px;
}

/* Sections */
.form-section {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  margin-bottom: 24px;
  background: var(--bg-card);
}

.section-legend {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  letter-spacing: 0.06em;
}

.legend-num {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 10px;
}

/* Fields */
.field {
  margin-bottom: 24px;
}

.field:last-child {
  margin-bottom: 0;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 480px) {
  .field-row {
    grid-template-columns: 1fr;
  }
  .form-section {
    padding: 24px 20px;
  }
}

.field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.req {
  font-size: 0.6rem;
  color: var(--accent-light);
  border: 1px solid rgba(0,109,65,0.3);
  border-radius: 3px;
  padding: 1px 5px;
  margin-left: 4px;
  vertical-align: middle;
}

.field-note {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.5;
}

/* Input / Textarea */
input[type="text"],
input[type="email"],
input[type="date"],
textarea,
select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.85rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
  -webkit-appearance: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.03);
}

input::placeholder,
textarea::placeholder {
  color: rgba(255,255,255,0.15);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* Radio Cards */
.radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.radio-card {
  display: block;
  cursor: pointer;
}

.radio-card input[type="radio"],
.radio-card input[type="checkbox"] {
  display: none;
}

.radio-card-inner {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 16px;
  text-align: center;
  transition: all 0.3s ease;
  background: var(--bg);
}

.radio-card-inner strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 4px;
}

.radio-card-inner small {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.radio-card input:checked + .radio-card-inner {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 4px 20px rgba(0,109,65,0.15);
  background: rgba(0,109,65,0.05);
}

/* Tone Cards */
.tone-group {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 480px) {
  .tone-group {
    grid-template-columns: repeat(2, 1fr);
  }
  .radio-group {
    grid-template-columns: 1fr;
  }
}

.tone-card {
  text-align: center;
}

.tone-card .radio-card-inner {
  padding: 0;
  overflow: hidden;
  background: none;
  border: none;
}

.tone-card input:checked ~ span {
  color: var(--accent-light);
}

.tone-card input:checked ~ .tone-preview {
  box-shadow: 0 0 0 2px var(--accent);
}

.tone-preview {
  width: 100%;
  height: 60px;
  border-radius: 8px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}

.dark-preview { background: #0a0a0a; }
.light-preview { background: #f5f5f5; }
.warm-preview { background: #f5f2eb; }
.omakase-preview {
  background: linear-gradient(135deg, #0a0a0a 33%, #f5f5f5 33%, #f5f5f5 66%, #f5f2eb 66%);
}

.tone-card span {
  font-size: 0.75rem;
  display: block;
}

.tone-card small {
  font-size: 0.6rem;
  color: var(--text-muted);
}

/* Checkbox Group */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.check-item {
  font-size: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.check-item input[type="checkbox"] {
  display: none;
}

.check-item:has(input:checked) {
  border-color: var(--accent);
  background: rgba(0,109,65,0.08);
  color: var(--accent-light);
}

/* Image Upload */
.image-upload-area {
  margin-top: 8px;
}

.upload-dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 16px;
}

.upload-dropzone:hover {
  border-color: var(--border-focus);
  background: rgba(255,255,255,0.02);
}

.dropzone-icon {
  font-size: 2rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 300;
}

.upload-dropzone p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.upload-dropzone small {
  font-size: 0.65rem;
}

.image-previews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.preview-item {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}

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

.preview-item input {
  width: 100%;
  border: none;
  border-top: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.7rem;
  font-family: 'Noto Sans JP', sans-serif;
  outline: none;
}

.preview-item input::placeholder {
  color: rgba(255,255,255,0.15);
}

.preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  color: #fff;
  border: none;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Artist Photo Upload */
.artist-photo-upload {
  display: flex;
  align-items: center;
  gap: 20px;
}

.artist-photo-preview {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.5rem;
  overflow: hidden;
  flex-shrink: 0;
  cursor: pointer;
}

.artist-photo-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.btn-upload {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: 'Noto Sans JP', sans-serif;
  transition: border-color 0.3s ease;
}

.btn-upload:hover {
  border-color: var(--border-focus);
}

/* Submit Area */
.form-submit-area {
  text-align: center;
  padding: 40px 0;
}

.submit-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.btn-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 18px 60px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: 'Noto Sans JP', sans-serif;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.1em;
}

.btn-submit:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0,109,65,0.3);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Success Message */
.success-message {
  text-align: center;
  padding: 100px 0;
}

.success-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  color: var(--accent-light);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.success-message h2 {
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 16px;
}

.success-message p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 32px;
}

.btn-back {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  padding: 14px 40px;
  border-radius: 6px;
  font-size: 0.8rem;
  transition: border-color 0.3s ease;
}

.btn-back:hover {
  border-color: var(--border-focus);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
}

.footer-copy {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: 'Inter', sans-serif;
}

/* Validation */
.field-error input,
.field-error textarea {
  border-color: var(--error);
}

.error-msg {
  font-size: 0.7rem;
  color: var(--error);
  margin-top: 4px;
}