:root{
  --gold:#C9A84C;--gold-light:#E8C96B;--gold-dark:#A07A28;
  --charcoal:#1A1A1A;--surface:#f5f2ee;--white:#FFFFFF;
  --text-primary:#1A1A1A;--text-muted:#6B6460;
  --error:#C0392B;--success:#2D7A4F;
  --radius:14px;--transition:all .22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'DM Sans',sans-serif;background:var(--surface);color:var(--text-primary);min-height:100vh;}

.header{position:sticky;top:0;z-index:50;background:rgba(26,26,26,.95);backdrop-filter:blur(10px);padding:0 20px;height:58px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(201,168,76,.15);}
.back-btn{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.8);text-decoration:none;font-size:14px;padding:6px 0;}
.header-title{font-family:'Playfair Display',serif;color:#fff;font-size:16px;}

.progress-bar{background:var(--charcoal);padding:16px 20px 0;}
.steps-row{display:flex;align-items:center;gap:0;margin-bottom:12px;}
.step-node{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0;transition:var(--transition);border:2px solid rgba(255,255,255,.15);color:rgba(255,255,255,.4);}
.step-node.done{background:var(--gold-dark);border-color:var(--gold-dark);color:#fff;}
.step-node.active{background:var(--gold);border-color:var(--gold);color:var(--charcoal);font-weight:800;box-shadow:0 0 0 4px rgba(201,168,76,.2);}
.step-line{flex:1;height:2px;background:rgba(255,255,255,.1);transition:background .4s;}
.step-line.done{background:var(--gold-dark);}
.step-labels{display:flex;justify-content:space-between;padding-bottom:14px;}
.step-label{font-size:9px;color:rgba(255,255,255,.35);letter-spacing:.5px;text-transform:uppercase;text-align:center;flex:1;transition:color .3s;}
.step-label.active{color:var(--gold);font-weight:600;}
.step-label.done{color:rgba(255,255,255,.6);}

.main{padding:20px 16px 100px;}
.step-panel{display:none;animation:fadeIn .25s ease;}
.step-panel.active{display:block;}
@keyframes fadeIn{from{opacity:0;transform:translateX(12px)}}
@keyframes popIn{from{transform:scale(0);opacity:0}}
@keyframes spin{to{transform:rotate(360deg)}}

.step-header{margin-bottom:20px;}
.step-header h2{font-family:'Playfair Display',serif;font-size:22px;font-weight:700;line-height:1.2;}
.step-header h2 em{color:var(--gold-dark);font-style:normal;}
.step-header p{color:var(--text-muted);font-size:13px;margin-top:4px;}

/* CATEGORY */
.category-grid{display:flex;flex-direction:column;gap:12px;}
.category-card{background:#fff;border-radius:var(--radius);padding:20px;border:2px solid transparent;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:16px;}
.category-card:active{transform:scale(.98);}
.category-card.selected{border-color:var(--gold);background:rgba(201,168,76,.04);}
.category-icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0;}
.men-icon{background:linear-gradient(135deg,#1A1A2E,#16213E);}
.women-icon{background:linear-gradient(135deg,#FF6B9D22,#FF6B9D44);}
.category-name{font-size:16px;font-weight:700;margin-bottom:2px;}
.category-sub{font-size:12px;color:var(--text-muted);}
.category-arrow{color:var(--text-muted);font-size:22px;margin-left:auto;}
.women-notice{background:#FFF5F5;border:1px solid #FFD0D0;border-radius:10px;padding:14px;margin-top:10px;font-size:13px;color:#C0392B;display:none;align-items:flex-start;gap:8px;line-height:1.5;}
.women-notice.show{display:flex;}
.women-notice strong{display:block;margin-bottom:2px;}

/* SERVICE */
.service-list{display:flex;flex-direction:column;gap:10px;}
.service-card{background:#fff;border-radius:var(--radius);padding:16px;border:2px solid transparent;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:14px;}
.service-card:active{transform:scale(.98);}
.service-card.selected{border-color:var(--gold);background:rgba(201,168,76,.04);}
.service-icon-wrap{width:44px;height:44px;border-radius:12px;background:var(--surface);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;}
.service-name{font-size:14px;font-weight:600;}
.service-meta{font-size:11px;color:var(--text-muted);margin-top:2px;}
.service-price-badge{background:rgba(201,168,76,.12);color:var(--gold-dark);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700;white-space:nowrap;}

/* BARBER */
.barbers-list{display:flex;flex-direction:column;gap:10px;}
.barber-card{background:#fff;border-radius:var(--radius);padding:14px 16px;border:2px solid transparent;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:14px;}
.barber-card:active{transform:scale(.98);}
.barber-card.selected{border-color:var(--gold);background:rgba(201,168,76,.04);}
.barber-card.on-leave{opacity:.55;cursor:not-allowed;}
.barber-avatar{width:50px;height:50px;border-radius:50%;object-fit:cover;background:linear-gradient(135deg,var(--charcoal),#444);display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;font-weight:700;flex-shrink:0;}
.barber-name{font-size:14px;font-weight:600;}
.barber-spec{font-size:11px;color:var(--text-muted);margin-top:1px;}
.barber-badge{font-size:10px;padding:3px 8px;border-radius:10px;font-weight:600;margin-left:auto;}
.badge-available{background:rgba(45,122,79,.1);color:#2D7A4F;}
.badge-leave{background:rgba(192,57,43,.1);color:#C0392B;}

/* FORM */
.form-section{background:#fff;border-radius:var(--radius);padding:20px;margin-bottom:14px;}
.form-section-title{font-size:12px;font-weight:700;color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase;margin-bottom:16px;}
.form-group{margin-bottom:14px;}
.form-label{font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:6px;display:block;}
.req{color:var(--error);}
.form-input{width:100%;border:1.5px solid rgba(0,0,0,.12);border-radius:10px;padding:13px 14px;font-family:'DM Sans',sans-serif;font-size:15px;background:var(--surface);outline:none;transition:var(--transition);color:var(--text-primary);}
.form-input:focus{border-color:var(--gold);background:#fff;}
.field-error{font-size:11px;color:var(--error);margin-top:4px;}

/* DATE */
.date-scroll{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.date-scroll::-webkit-scrollbar{display:none;}
.date-chip{flex:none;background:var(--surface);border:2px solid transparent;border-radius:12px;padding:12px 16px;text-align:center;cursor:pointer;transition:var(--transition);min-width:72px;}
.date-chip.selected{border-color:var(--gold);background:rgba(201,168,76,.08);}
.date-chip.disabled{opacity:.4;cursor:not-allowed;}
.date-chip .day-name{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;}
.date-chip .day-num{font-size:22px;font-weight:700;margin:2px 0;}
.date-chip .month{font-size:10px;color:var(--text-muted);}
.date-chip.selected .day-name,.date-chip.selected .month{color:var(--gold-dark);}

/* SLOTS */
.slots-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.slot-btn{background:var(--surface);border:2px solid transparent;border-radius:10px;padding:10px 6px;text-align:center;cursor:pointer;transition:var(--transition);font-family:'DM Sans',sans-serif;font-size:13px;font-weight:500;}
.slot-btn.selected{border-color:var(--gold);background:rgba(201,168,76,.1);color:var(--gold-dark);font-weight:700;}
.slot-btn.booked{background:#f0f0f0;color:#bbb;cursor:not-allowed;text-decoration:line-through;}
.slots-loading{text-align:center;padding:20px;color:var(--text-muted);font-size:13px;}

/* PAYMENT */
.summary-card{background:linear-gradient(135deg,var(--charcoal),#2A2A2A);border-radius:var(--radius);padding:20px;margin-bottom:14px;border:1px solid rgba(201,168,76,.15);}
.summary-title{font-family:'Playfair Display',serif;color:#fff;font-size:16px;margin-bottom:14px;}
.summary-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:13px;}
.summary-row:last-child{border-bottom:none;}
.summary-key{color:rgba(255,255,255,.5);}
.summary-val{color:#fff;font-weight:500;}
.summary-val.gold{color:var(--gold);}
.payment-card{background:#fff;border-radius:var(--radius);padding:20px;margin-bottom:14px;}
.qr-container{text-align:center;padding:20px;border:2px dashed rgba(201,168,76,.3);border-radius:12px;background:rgba(201,168,76,.03);margin-bottom:16px;}
.qr-amount{font-size:24px;font-weight:700;color:var(--charcoal);margin:12px 0 4px;}
.no-pay{text-align:center;padding:20px;}
.no-pay .icon{font-size:40px;margin-bottom:10px;}
.no-pay p{color:var(--text-muted);font-size:14px;line-height:1.6;}
.no-pay strong{color:var(--charcoal);display:block;margin-bottom:4px;}
.upload-zone{border:2px dashed rgba(0,0,0,.15);border-radius:12px;padding:24px;text-align:center;cursor:pointer;transition:var(--transition);background:var(--surface);}
.upload-zone:hover{border-color:var(--gold);}
.upload-icon{font-size:32px;margin-bottom:8px;}
.upload-text{font-size:13px;color:var(--text-muted);}
.upload-text strong{color:var(--gold-dark);}

/* NAV BTNS */
.nav-btns{position:fixed;bottom:0;left:0;right:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid rgba(0,0,0,.08);display:flex;gap:12px;}
.btn-back{flex:0 0 auto;padding:14px 20px;background:var(--surface);border:none;border-radius:12px;font-family:'DM Sans',sans-serif;font-size:14px;font-weight:600;color:var(--text-muted);cursor:pointer;}
.btn-next{flex:1;padding:14px;background:linear-gradient(135deg,var(--charcoal),#333);border:none;border-radius:12px;font-family:'DM Sans',sans-serif;font-size:15px;font-weight:600;color:#fff;cursor:pointer;transition:var(--transition);}
.btn-next:active{opacity:.85;transform:scale(.98);}
.btn-next.gold{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--charcoal);}
.btn-next:disabled{opacity:.5;cursor:not-allowed;transform:none;}