/* ════════════════════════════════════════════════
   PHOENIX HAIR — ESTIMATEUR DE GREFFONS IA
   Design Premium · Version 1.0
════════════════════════════════════════════════ */

:root {
  --gold: #C9A96E;
  --gold-light: #E8D5B0;
  --gold-dark: #A07840;
  --dark: #0A0D12;
  --dark-2: #13181F;
  --dark-3: #1C2330;
  --dark-4: #252E3D;
  --text: #E8EAF0;
  --text-muted: #8892A4;
  --text-dim: #5A6478;
  --border: rgba(201,169,110,0.15);
  --border-hover: rgba(201,169,110,0.4);
  --white: #ffffff;
  --success: #4CAF82;
  --error: #E55555;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-gold: 0 0 30px rgba(201,169,110,0.15);
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

.gold { color: var(--gold); }
.required { color: var(--gold); }
.mt-24 { margin-top: 24px; }

/* ─── SCROLLBAR ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-2); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ─── HEADER ────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,13,18,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 500; color: var(--text); letter-spacing: 0.02em; }
.logo-sub { color: var(--gold); font-weight: 300; }
.header-badge { font-size: 0.72rem; color: var(--text-muted); background: var(--dark-3); border: 1px solid var(--border); padding: 4px 10px; border-radius: 20px; letter-spacing: 0.05em; }

/* ─── PROGRESS ──────────────────────────────────── */
.progress-container {
  background: var(--dark-2);
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.progress-track {
  max-width: 600px; margin: 0 auto 10px;
  height: 3px; background: var(--dark-4); border-radius: 2px; overflow: hidden;
}
.progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--gold-dark), var(--gold));
  border-radius: 2px; transition: width 0.4s ease;
}
.progress-steps {
  max-width: 600px; margin: 0 auto;
  display: flex; justify-content: space-between;
}
.progress-step {
  font-size: 0.7rem; color: var(--text-dim); text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.progress-step.active { color: var(--gold); }
.progress-step.done { color: var(--success); }
.ps-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--dark-4); border: 1px solid var(--text-dim);
}
.progress-step.active .ps-dot { background: var(--gold); border-color: var(--gold); }
.progress-step.done .ps-dot { background: var(--success); border-color: var(--success); }

/* ─── APP WRAPPER ───────────────────────────────── */
.app-wrapper { max-width: 1100px; margin: 0 auto; padding: 40px 24px 80px; }

/* ─── STEPS ─────────────────────────────────────── */
.step { display: none; animation: fadeIn 0.4s ease; }
.step.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.step-container { max-width: 700px; margin: 0 auto; }
.step-container.wide { max-width: 900px; }
.step-container.centered { text-align: center; }

/* ─── STEP HEADER ───────────────────────────────── */
.step-header { margin-bottom: 36px; }
.step-header.centered { text-align: center; }
.step-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 4rem; font-weight: 300;
  color: var(--border); line-height: 1;
  margin-bottom: 8px; letter-spacing: -0.02em;
}
.step-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem; font-weight: 500;
  color: var(--text); margin-bottom: 10px; letter-spacing: -0.01em;
}
.step-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

/* ─── HERO ──────────────────────────────────────── */
.hero-section { max-width: 760px; margin: 0 auto; text-align: center; padding: 20px 0; }
.hero-badge {
  display: inline-block;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold); background: rgba(201,169,110,0.1);
  border: 1px solid var(--border); padding: 5px 14px; border-radius: 20px;
  margin-bottom: 20px;
}
.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 500; line-height: 1.15;
  color: var(--text); margin-bottom: 18px; letter-spacing: -0.02em;
}
.hero-subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 560px; margin: 0 auto 36px; line-height: 1.75; }

.features-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-bottom: 28px; text-align: left;
}
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--border-hover); background: var(--dark-3); }
.feature-icon { font-size: 1.4rem; flex-shrink: 0; }
.feature-text { display: flex; flex-direction: column; gap: 2px; }
.feature-text strong { font-size: 0.9rem; color: var(--text); font-weight: 500; }
.feature-text span { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

.disclaimer-box {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(201,169,110,0.06);
  border: 1px solid rgba(201,169,110,0.2);
  border-radius: var(--radius); padding: 16px 18px;
  margin-bottom: 32px; text-align: left;
}
.disclaimer-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.disclaimer-box p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* ─── BUTTONS ───────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: var(--dark); font-weight: 600; font-size: 0.9rem;
  padding: 12px 24px; border-radius: 8px; border: none;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
  text-decoration: none; letter-spacing: 0.02em;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(201,169,110,0.3); filter: brightness(1.05); }
.btn-primary:active { transform: translateY(0); }
.btn-primary.btn-large { padding: 15px 32px; font-size: 1rem; border-radius: 10px; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--text-muted); font-size: 0.9rem;
  padding: 12px 20px; border: 1px solid var(--dark-4); border-radius: 8px;
  cursor: pointer; transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--border-hover); color: var(--text); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  background: transparent; color: var(--gold);
  border: 1px solid var(--gold); font-size: 0.9rem; font-weight: 500;
  padding: 12px 24px; border-radius: 8px; cursor: pointer; transition: var(--transition);
  text-decoration: none;
}
.btn-outline:hover { background: rgba(201,169,110,0.1); }

.step-nav {
  display: flex; align-items: center; gap: 12px;
  margin-top: 36px; flex-wrap: wrap;
}
.skip-link { margin-top: 12px; text-align: center; }
.skip-link a { font-size: 0.82rem; color: var(--text-dim); text-decoration: none; }
.skip-link a:hover { color: var(--text-muted); text-decoration: underline; }

/* ─── FORM ELEMENTS ──────────────────────────────── */
.form-grid { display: flex; flex-direction: column; gap: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-label { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); letter-spacing: 0.03em; }
.form-input, .form-textarea {
  background: var(--dark-2); border: 1px solid var(--dark-4);
  border-radius: 8px; padding: 11px 14px;
  color: var(--text); font-size: 0.92rem; font-family: inherit;
  transition: var(--transition); outline: none; width: 100%;
}
.form-input:focus, .form-textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,169,110,0.1); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-dim); }
.form-textarea { resize: vertical; line-height: 1.6; }

/* ─── RADIO CARDS ────────────────────────────────── */
.radio-cards { display: flex; gap: 12px; flex-wrap: wrap; }
.radio-cards.small .radio-card { flex: 1; min-width: 80px; padding: 12px; }

.radio-card {
  flex: 1; min-width: 140px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: var(--dark-2); border: 1.5px solid var(--dark-4);
  border-radius: var(--radius); padding: 18px 14px;
  cursor: pointer; transition: var(--transition); text-align: center;
}
.radio-card:hover { border-color: var(--border-hover); background: var(--dark-3); }
.radio-card.selected { border-color: var(--gold); background: rgba(201,169,110,0.08); box-shadow: var(--shadow-gold); }
.radio-icon { font-size: 1.8rem; }
.radio-label { font-size: 0.92rem; font-weight: 600; color: var(--text); }
.radio-sublabel { font-size: 0.75rem; color: var(--text-dim); }

/* ─── PHOTO UPLOAD ────────────────────────────────── */
.photo-upload-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 600px) { .photo-upload-grid { grid-template-columns: 1fr; } }

.photo-zone {
  aspect-ratio: 3/4; border: 1.5px dashed var(--dark-4);
  border-radius: var(--radius-lg); overflow: hidden; cursor: pointer;
  transition: var(--transition); position: relative;
  display: flex; flex-direction: column;
}
.photo-zone:hover { border-color: var(--gold); }
.photo-zone.has-photo { border-style: solid; border-color: var(--gold); }

.photo-preview { flex: 1; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.photo-placeholder { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 20px; }
.photo-icon { opacity: 0.6; }
.photo-label { font-size: 0.85rem; font-weight: 500; color: var(--text-muted); }
.photo-hint { font-size: 0.73rem; color: var(--text-dim); }
.photo-zone-label {
  text-align: center; padding: 8px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-dim); border-top: 1px solid var(--dark-4); background: var(--dark-2);
}
.photo-preview img { width: 100%; height: 100%; object-fit: cover; }

.photo-tip {
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px;
  font-size: 0.82rem; color: var(--text-muted); line-height: 1.6;
  margin-bottom: 16px;
}
.photo-tip strong { color: var(--gold); }

.upload-status {
  margin: 12px 0; display: flex; flex-direction: column; gap: 6px;
}
.upload-progress-bar {
  height: 3px; background: var(--dark-4); border-radius: 2px; overflow: hidden;
}
.upload-progress-fill {
  height: 100%; background: var(--gold);
  width: 0%; transition: width 0.5s ease; border-radius: 2px;
}
#uploadStatusText { font-size: 0.8rem; color: var(--text-muted); }

/* ─── SCALE GRID ─────────────────────────────────── */
.scale-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px; margin-bottom: 32px;
}
.scale-card {
  background: var(--dark-2); border: 1.5px solid var(--dark-4);
  border-radius: var(--radius); padding: 12px 10px;
  cursor: pointer; transition: var(--transition);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  text-align: center;
}
.scale-card:hover { border-color: var(--border-hover); background: var(--dark-3); }
.scale-card.selected { border-color: var(--gold); background: rgba(201,169,110,0.08); }
.scale-card svg { width: 80px; height: 80px; }
.scale-card-label { font-size: 0.8rem; font-weight: 600; color: var(--text); }
.scale-card-desc { font-size: 0.7rem; color: var(--text-dim); line-height: 1.3; }
.scale-card-grafts { font-size: 0.72rem; color: var(--gold); font-weight: 500; }

/* ─── CHECKBOXES ─────────────────────────────────── */
.checkbox-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
@media (max-width: 560px) { .checkbox-grid { grid-template-columns: 1fr; } }

.checkbox-card { cursor: pointer; display: block; }
.checkbox-card.full { grid-column: 1 / -1; }
.checkbox-card input[type="checkbox"] { display: none; }
.checkbox-card-inner {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--dark-2); border: 1.5px solid var(--dark-4);
  border-radius: var(--radius); padding: 14px 16px;
  transition: var(--transition);
}
.checkbox-card:hover .checkbox-card-inner { border-color: var(--border-hover); }
.checkbox-card input:checked + .checkbox-card-inner { border-color: var(--gold); background: rgba(201,169,110,0.08); }
.cb-icon { font-size: 1.2rem; }
.checkbox-card-inner strong { font-size: 0.88rem; color: var(--text); }
.checkbox-card-inner span { font-size: 0.78rem; color: var(--text-dim); line-height: 1.4; }

/* ─── DENSITY SLIDER ─────────────────────────────── */
.density-slider-container { margin: 10px 0; }
.density-slider {
  width: 100%; -webkit-appearance: none; appearance: none;
  height: 4px; border-radius: 2px; outline: none;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold) 50%, var(--dark-4) 50%);
  cursor: pointer; margin-bottom: 10px;
}
.density-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
  background: var(--gold); cursor: pointer;
  box-shadow: 0 0 0 4px rgba(201,169,110,0.2);
}
.density-labels { display: flex; justify-content: space-between; }
.density-label { font-size: 0.78rem; color: var(--text-dim); transition: var(--transition); }
.density-label.active { color: var(--gold); font-weight: 600; }
.density-desc { font-size: 0.82rem; color: var(--text-muted); margin-top: 8px; }

/* ─── RESULTS ────────────────────────────────────── */
.results-badge {
  display: inline-block; font-size: 0.8rem; font-weight: 500;
  color: var(--success); background: rgba(76,175,130,0.1);
  border: 1px solid rgba(76,175,130,0.3);
  padding: 5px 14px; border-radius: 20px; margin-bottom: 16px;
}
.results-main {
  display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: start;
  margin-bottom: 28px;
}
@media (max-width: 700px) { .results-main { grid-template-columns: 1fr; } }

.graft-card {
  background: linear-gradient(135deg, var(--dark-3), var(--dark-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 32px;
  text-align: center; min-width: 200px;
  box-shadow: var(--shadow-gold);
}
.graft-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }
.graft-range {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.8rem; font-weight: 600; color: var(--gold);
  line-height: 1; margin-bottom: 6px;
}
.graft-sub { font-size: 0.78rem; color: var(--text-dim); }

.results-details { display: flex; flex-direction: column; gap: 0; }
.result-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 0; border-bottom: 1px solid var(--dark-3);
}
.result-row:last-child { border-bottom: none; }
.result-key { font-size: 0.84rem; color: var(--text-muted); }
.result-val { font-size: 0.88rem; color: var(--text); font-weight: 500; text-align: right; max-width: 60%; }

.scale-visual-result {
  display: flex; justify-content: center;
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px;
  overflow: hidden;
}

.results-note {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(201,169,110,0.05); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  margin-bottom: 28px;
}
.note-icon { font-size: 1.1rem; flex-shrink: 0; }
.results-note div { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }
.results-note strong { color: var(--text); }

.cta-section { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ─── CONTACT FORM ───────────────────────────────── */
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.consent-box { margin-top: 4px; }
.consent-label { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; }
.consent-label input[type="checkbox"] { flex-shrink: 0; margin-top: 3px; accent-color: var(--gold); cursor: pointer; }
.consent-label span { font-size: 0.8rem; color: var(--text-dim); line-height: 1.5; }

/* ─── CONFIRMATION ───────────────────────────────── */
.confirmation-icon { display: flex; justify-content: center; margin-bottom: 24px; }
.confirm-text { font-size: 1rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 28px; }
.confirm-text strong { color: var(--text); }

.confirm-summary {
  background: var(--dark-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  margin-bottom: 28px; display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
}
.confirm-item { text-align: center; }
.confirm-item-label { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 4px; }
.confirm-item-val { font-size: 1.1rem; font-weight: 600; color: var(--gold); }
.confirm-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─── CHATBOT ────────────────────────────────────── */
.chatbot-widget { position: fixed; bottom: 28px; right: 28px; z-index: 999; }
.chatbot-toggle {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: 0 4px 20px rgba(201,169,110,0.4);
  transition: var(--transition); position: relative;
}
.chatbot-toggle:hover { transform: scale(1.05); }
.chatbot-badge {
  position: absolute; top: -4px; right: -4px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--error); color: white;
  font-size: 0.65rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.chatbot-panel {
  position: absolute; bottom: 64px; right: 0;
  width: 320px; background: var(--dark-2);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); overflow: hidden;
}
.chatbot-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; background: var(--dark-3);
  border-bottom: 1px solid var(--border);
}
.chatbot-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700; color: var(--dark); flex-shrink: 0;
}
.chatbot-name { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.chatbot-status { font-size: 0.72rem; color: var(--success); }
.chatbot-close {
  margin-left: auto; background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 1rem; padding: 4px; line-height: 1;
}
.chatbot-messages {
  height: 240px; overflow-y: auto; padding: 14px;
  display: flex; flex-direction: column; gap: 10px;
}
.chat-message { max-width: 85%; }
.chat-message.bot { align-self: flex-start; }
.chat-message.user { align-self: flex-end; }
.chat-message p {
  padding: 10px 14px; border-radius: 12px;
  font-size: 0.82rem; line-height: 1.5;
}
.chat-message.bot p { background: var(--dark-3); color: var(--text-muted); border-radius: 0 12px 12px 12px; }
.chat-message.user p { background: rgba(201,169,110,0.15); color: var(--text); border-radius: 12px 0 12px 12px; }
.chatbot-input-area {
  display: flex; padding: 10px; gap: 8px;
  border-top: 1px solid var(--border);
}
.chatbot-input {
  flex: 1; background: var(--dark-3); border: 1px solid var(--dark-4);
  border-radius: 8px; padding: 8px 12px; color: var(--text);
  font-size: 0.82rem; font-family: inherit; outline: none;
}
.chatbot-input:focus { border-color: var(--gold); }
.chatbot-send {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--dark);
}

/* ─── FOOTER ─────────────────────────────────────── */
.site-footer {
  background: var(--dark-2); border-top: 1px solid var(--border);
  padding: 28px 0; text-align: center;
}
.footer-inner { max-width: 600px; margin: 0 auto; padding: 0 24px; }
.footer-logo { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; color: var(--gold); margin-bottom: 8px; }
.footer-text { font-size: 0.78rem; color: var(--text-dim); margin-bottom: 6px; line-height: 1.5; }
.footer-copy { font-size: 0.72rem; color: var(--text-dim); }
.footer-copy a { color: var(--gold); text-decoration: none; }
.footer-copy a:hover { text-decoration: underline; }

/* ─── TOAST ──────────────────────────────────────── */
.toast {
  position: fixed; bottom: 90px; right: 28px; z-index: 9999;
  background: var(--dark-3); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 18px;
  font-size: 0.85rem; color: var(--text);
  box-shadow: var(--shadow); max-width: 300px;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s;
  display: flex; gap: 10px; align-items: center;
}
.toast.success { border-color: rgba(76,175,130,0.4); }
.toast.error { border-color: rgba(229,85,85,0.4); }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; } }

/* ─── LOADING ────────────────────────────────────── */
.loading-overlay {
  position: fixed; inset: 0; background: rgba(10,13,18,0.85);
  display: flex; align-items: center; justify-content: center;
  z-index: 9998; backdrop-filter: blur(8px);
}
.loading-spinner {
  width: 50px; height: 50px; border: 2px solid var(--dark-3);
  border-top-color: var(--gold); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { color: var(--text-muted); margin-top: 14px; font-size: 0.88rem; }
.loading-content { display: flex; flex-direction: column; align-items: center; gap: 4px; }

/* ─── HONEYPOT — completely hidden from humans ───── */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  tab-index: -1;
}

/* ─── CAPTCHA WIDGET ─────────────────────────────── */
.captcha-block {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex; flex-direction: column; gap: 12px;
}

.captcha-info-tip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--dark-4); color: var(--text-dim);
  font-size: 0.68rem; font-weight: 700; cursor: help;
  margin-left: 6px; vertical-align: middle;
  border: 1px solid var(--text-dim);
}

.captcha-row {
  display: flex; align-items: center; gap: 12px;
}

.captcha-image-wrap {
  position: relative;
  width: 200px; height: 65px;
  background: #1C2330;
  border: 1px solid var(--dark-4);
  border-radius: 8px; overflow: hidden; flex-shrink: 0;
}

.captcha-img {
  display: block; width: 100%; height: 100%;
  object-fit: cover; transition: opacity 0.3s ease;
  user-select: none; pointer-events: none;
}

.captcha-loading {
  position: absolute; inset: 0;
  display: none; align-items: center; justify-content: center;
  background: #1C2330;
}
.captcha-spinner {
  width: 24px; height: 24px;
  border: 2px solid var(--dark-4);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.captcha-refresh {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--dark-3); border: 1px solid var(--dark-4);
  border-radius: 8px; cursor: pointer; color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.captcha-refresh:hover { border-color: var(--gold); color: var(--gold); }
.captcha-refresh.spinning svg { animation: spin 0.6s ease; }

.captcha-input {
  font-size: 1rem !important;
  letter-spacing: 0.14em;
  font-family: 'Courier New', monospace !important;
}
.captcha-hint { font-size: 0.75rem; color: var(--text-dim); }

.captcha-error {
  font-size: 0.82rem; color: var(--error);
  padding: 8px 12px;
  background: rgba(229,85,85,0.08);
  border: 1px solid rgba(229,85,85,0.25);
  border-radius: 6px;
}

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 768px) {
  .app-wrapper { padding: 24px 16px 60px; }
  .step-title { font-size: 1.7rem; }
  .graft-range { font-size: 2.2rem; }
  .chatbot-panel { width: 280px; right: -8px; }
  .cta-section { flex-direction: column; }
  .cta-section .btn-primary, .cta-section .btn-outline { width: 100%; justify-content: center; }
  .confirm-actions { flex-direction: column; align-items: stretch; }
  .confirm-actions .btn-primary, .confirm-actions .btn-outline { justify-content: center; }
}