@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f8fafc;
  --bg2: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --border2: #cbd5e1;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --text: #0f172a;
  --text2: #475569;
  --text3: #94a3b8;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; }

/* Topbar */
.p-topbar { background: #fff; border-bottom: 1px solid var(--border); height: 56px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow); }
.p-topbar-brand { font-weight: 800; font-size: 16px; color: var(--text); display: flex; align-items: center; gap: 8px; text-decoration: none; }
.p-topbar-brand .logo-dot { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; }
.p-powered { font-size: 11px; color: var(--text3); font-weight: 500; }
.p-powered a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: var(--radius-sm); font-family: inherit; font-size: 14px; font-weight: 600; cursor: pointer; border: none; transition: all .15s; text-decoration: none; white-space: nowrap; }
.btn:disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline { background: #fff; color: var(--text2); border: 1px solid var(--border2); }
.btn-outline:hover { background: var(--bg2); color: var(--text); border-color: var(--border2); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger-soft { background: var(--danger-light); color: var(--danger); border: 1px solid #fecaca; }
.btn-danger-soft:hover { background: #fee2e2; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 6px; }
.btn-xs { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon { padding: 7px; border-radius: 6px; background: var(--bg2); color: var(--text2); border: 1px solid var(--border); cursor: pointer; transition: .15s; display: inline-flex; align-items: center; justify-content: center; }
.btn-icon:hover { background: var(--primary-light); color: var(--primary); border-color: #bfdbfe; }
.btn-icon.active { background: var(--primary-light); color: var(--primary); border-color: #bfdbfe; }

/* Form */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text2); margin-bottom: 5px; }
.form-control { width: 100%; background: #fff; border: 1px solid var(--border2); border-radius: var(--radius-sm); color: var(--text); font-family: inherit; font-size: 14px; padding: 9px 12px; outline: none; transition: border .15s, box-shadow .15s; -webkit-appearance: none; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.form-control::placeholder { color: var(--text3); }
.form-control.lg { padding: 12px 14px; font-size: 15px; }
textarea.form-control { resize: vertical; min-height: 80px; }
.input-group { display: flex; }
.input-group .form-control { border-radius: var(--radius-sm) 0 0 var(--radius-sm); border-right: none; }
.input-group .btn { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; flex-shrink: 0; }
.radio-option, .check-option { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; transition: .15s; margin-bottom: 6px; background: #fff; font-size: 14px; }
.radio-option:hover, .check-option:hover { border-color: var(--primary); background: var(--primary-light); }
.radio-option.selected, .check-option.selected { border-color: var(--primary); background: var(--primary-light); color: var(--primary); font-weight: 500; }
.radio-option input, .check-option input { accent-color: var(--primary); width: 15px; height: 15px; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-header h3 { font-size: 15px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.card-body { padding: 20px; }
.card + .card { margin-top: 14px; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 100px; font-size: 11px; font-weight: 600; }
.badge-success { background: var(--success-light); color: var(--success); border: 1px solid #bbf7d0; }
.badge-danger  { background: var(--danger-light);  color: var(--danger);  border: 1px solid #fecaca; }
.badge-warning { background: var(--warning-light); color: var(--warning); border: 1px solid #fde68a; }
.badge-primary { background: var(--primary-light); color: var(--primary); border: 1px solid #bfdbfe; }
.badge-gray    { background: var(--bg2); color: var(--text2); border: 1px solid var(--border); }

/* Alert */
.alert { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; margin-bottom: 14px; }
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #bbf7d0; }
.alert-danger  { background: var(--danger-light);  color: var(--danger);  border: 1px solid #fecaca; }
.alert-info    { background: var(--primary-light); color: var(--primary); border: 1px solid #bfdbfe; }
.alert-hidden  { display: none; }

/* Toast */
.toast { position: fixed; top: 64px; right: 16px; z-index: 9999; min-width: 260px; max-width: 340px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md); padding: 14px 16px; font-size: 13px; font-weight: 500; display: none; align-items: center; gap: 10px; }
.toast.show { display: flex; animation: fadeIn .2s ease; }
.toast-success { border-left: 3px solid var(--success); color: var(--success); }
.toast-danger  { border-left: 3px solid var(--danger);  color: var(--danger); }
.toast-info    { border-left: 3px solid var(--primary); color: var(--primary); }
@keyframes fadeIn { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:translateY(0); } }

/* Auth */
.auth-page { min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); }
.auth-container { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.auth-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow-md); max-width: 460px; width: 100%; overflow: hidden; }
.auth-head { background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%); padding: 28px 32px; text-align: center; }
.auth-head h2 { color: #fff; font-size: 20px; font-weight: 800; margin: 0; }
.auth-head p  { color: rgba(255,255,255,.7); font-size: 13px; margin: 5px 0 0; }
.auth-body { padding: 28px 32px; }

/* Step bar */
.stepbar { display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.step-dot { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: var(--text3); background: #fff; transition: .2s; }
.step-dot.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.step-dot.done { background: var(--success); border-color: var(--success); color: #fff; }
.step-line { width: 44px; height: 2px; background: var(--border); transition: .2s; }
.step-line.done { background: var(--success); }

/* Found box */
.found-box { background: var(--primary-light); border: 1px solid #bfdbfe; border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 18px; }
.found-box .fb-label { font-size: 11px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: .5px; }
.found-box .fb-name  { font-size: 18px; font-weight: 800; color: var(--text); margin: 3px 0 2px; }
.found-box .fb-reg   { font-size: 12px; color: var(--text3); font-family: monospace; }

/* Info box */
.info-box { background: var(--primary-light); border: 1px solid #bfdbfe; border-radius: var(--radius-sm); padding: 11px 14px; font-size: 13px; color: #1e40af; margin-bottom: 16px; display: flex; gap: 8px; }
.info-box i { flex-shrink: 0; margin-top: 1px; }

/* OTP */
.otp-input { letter-spacing: 8px; font-size: 22px; font-weight: 700; text-align: center; font-family: monospace; }

/* Phone wrap */
.phone-wrap { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px; text-align: center; }

/* Profile */
.profile-card { background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%); border-radius: var(--radius); padding: 20px; color: #fff; margin-bottom: 14px; }
.profile-avatar { width: 48px; height: 48px; background: rgba(255,255,255,.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; color: #fff; flex-shrink: 0; }
.profile-name { font-size: 18px; font-weight: 800; color: #fff; }
.profile-meta { font-size: 13px; color: rgba(255,255,255,.75); margin-top: 2px; }
.profile-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.badge-white { background: rgba(255,255,255,.2); color: #fff; border: 1px solid rgba(255,255,255,.3); padding: 3px 10px; border-radius: 100px; font-size: 11px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }

/* Question card */
.q-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px; margin-bottom: 10px; transition: border .15s; }
.q-card:hover { border-color: var(--border2); }
.q-card.editing { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.08); }
.q-label { font-size: 13px; font-weight: 600; color: var(--text2); margin-bottom: 8px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.q-label span { color: var(--text); }
.q-answer { font-size: 14px; color: var(--text); background: var(--bg2); border-radius: 6px; padding: 9px 12px; }
.q-empty { font-size: 13px; color: var(--text3); font-style: italic; }
.q-edit-form { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); display: none; }
.q-edit-form.open { display: block; }
.q-actions { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }

/* Photo grid */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
.photo-item { border-radius: var(--radius-sm); overflow: hidden; border: 2px solid var(--border); cursor: pointer; transition: .2s; position: relative; background: var(--bg2); }
.photo-item:hover { border-color: var(--primary); transform: scale(1.02); }
.photo-item.selected { border-color: var(--success); box-shadow: 0 0 0 3px rgba(22,163,74,.15); }
.photo-item img { width: 100%; aspect-ratio: 3/4; object-fit: cover; display: block; }
.photo-check { position: absolute; top: 5px; right: 5px; width: 20px; height: 20px; border-radius: 50%; background: var(--success); color: #fff; display: none; align-items: center; justify-content: center; font-size: 10px; }
.photo-item.selected .photo-check { display: flex; }
.photo-label { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(0,0,0,.55); color: #fff; text-align: center; padding: 6px; font-size: 11px; font-weight: 600; }
.photo-item.selected .photo-label { background: rgba(22,163,74,.8); }

/* Landing */
.hero { min-height: calc(100vh - 56px); display: flex; align-items: center; justify-content: center; padding: 48px 16px; text-align: center; background: linear-gradient(160deg, #f8fafc 0%, #eff6ff 50%, #f8fafc 100%); }
.hero h1 { font-size: clamp(28px, 5vw, 50px); font-weight: 800; color: var(--text); line-height: 1.15; letter-spacing: -1px; margin-bottom: 14px; }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 16px; color: var(--text2); max-width: 440px; margin: 0 auto 28px; }
.hero-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; max-width: 800px; margin: 0 auto; }
.step-box { background: #fff; padding: 24px 18px; }
.step-num { width: 28px; height: 28px; background: var(--primary-light); color: var(--primary); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; margin-bottom: 12px; }
.step-box h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.step-box p { font-size: 13px; color: var(--text2); line-height: 1.5; }

footer { padding: 20px; text-align: center; font-size: 12px; color: var(--text3); border-top: 1px solid var(--border); }
footer a { color: var(--primary); text-decoration: none; font-weight: 600; }

/* Main content */
.p-main { max-width: 680px; margin: 0 auto; padding: 20px 14px 48px; }

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

@media (max-width: 480px) {
  .auth-head { padding: 22px 18px; }
  .auth-body { padding: 22px 18px; }
  .p-main { padding: 14px 12px 40px; }
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}