:root {
  --bg: #060910;
  --surface: #0d1117;
  --surface2: #111822;
  --surface3: #162030;
  --border: #1a2535;
  --border2: #213045;
  --accent: #4fffb0;
  --accent2: #00e5ff;
  --accent3: #7c3aed;
  --text: #e8f0fe;
  --muted: #5a7090;
  --danger: #ff4f6a;
  --warn: #ffb347;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden;max-width:100vw}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:15px;line-height:1.6;min-height:100vh;overflow-x:hidden;max-width:100vw;width:100%}

/* noise */
body::before{content:'';position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");pointer-events:none;z-index:0}

::-webkit-scrollbar{width:3px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}

.app{position:relative;z-index:1}
.container{max-width:880px;margin:0 auto;padding:0 16px;width:100%}

/* ── HEADER ── */
header{
  padding:0;
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  position:sticky;top:0;z-index:100;
  background:rgba(6,9,16,.92);
}
.nav{
  display:flex;align-items:center;
  justify-content:space-between;
  height:60px;gap:12px;
}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-icon{
  width:38px;height:38px;border-radius:10px;
  overflow:hidden;flex-shrink:0;
  border:1.5px solid rgba(79,255,176,.2);
}
.logo-icon img{width:100%;height:100%;object-fit:cover;display:block}
.logo-text{font-family:var(--font-head);font-weight:800;font-size:17px;color:var(--text);letter-spacing:-.5px;line-height:1}
.logo-badge{font-size:9px;background:var(--accent3);color:#fff;padding:2px 6px;border-radius:4px;font-weight:700;letter-spacing:.8px;flex-shrink:0}

.nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-user{font-size:13px;color:var(--muted);white-space:nowrap}
.nav-user span{color:var(--accent);font-weight:600}

.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:8px;
  font-family:var(--font-body);font-weight:500;font-size:13px;
  cursor:pointer;transition:.18s;border:none;
  text-decoration:none;white-space:nowrap;
}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border2)}
.btn-ghost:hover{color:var(--text);border-color:rgba(79,255,176,.3)}
.btn-primary{background:var(--accent);color:#060910;font-weight:700}
.btn-primary:hover{background:#38f0a0;transform:translateY(-1px);box-shadow:0 4px 20px rgba(79,255,176,.25)}
.btn-danger{background:var(--danger);color:#fff;font-weight:600}
.btn-danger:hover{background:#e83d57}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-outline{background:transparent;color:var(--accent);border:1px solid rgba(79,255,176,.4)}
.btn-outline:hover{background:rgba(79,255,176,.07)}

/* ── HERO ── */
.hero{padding:72px 0 52px;text-align:center;position:relative}
.hero::before{
  content:'';position:absolute;
  top:-40px;left:50%;transform:translateX(-50%);
  width:min(500px,100vw);height:400px;
  background:radial-gradient(ellipse at 50% 30%,rgba(79,255,176,.07) 0%,transparent 65%);
  pointer-events:none;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border:1px solid var(--border2);
  border-radius:100px;font-size:12px;color:var(--muted);
  margin-bottom:28px;background:rgba(13,17,23,.8);
}
.hero-badge .dot{
  width:6px;height:6px;background:var(--accent);
  border-radius:50%;animation:pulse 2s infinite;flex-shrink:0;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.3)}}

.hero h1{
  font-family:var(--font-head);font-weight:800;
  font-size:clamp(32px,7vw,68px);
  line-height:1.02;letter-spacing:-2.5px;margin-bottom:20px;
}
.hero h1 .highlight{
  background:linear-gradient(100deg,var(--accent) 0%,var(--accent2) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero p{color:var(--muted);font-size:16px;max-width:460px;margin:0 auto 36px;line-height:1.7}
.hero-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero-actions .btn{font-size:15px;padding:12px 26px}

/* ── STATS ── */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--border);border-radius:16px;
  overflow:hidden;margin:48px 0 0;
}
.stat{
  padding:22px 16px;background:var(--surface);
  text-align:center;border-right:1px solid var(--border);
}
.stat:last-child{border-right:none}
.stat-value{font-family:var(--font-head);font-size:30px;font-weight:800;color:var(--accent);line-height:1}
.stat-label{font-size:11px;color:var(--muted);margin-top:5px;letter-spacing:.6px;text-transform:uppercase}

/* ── SECTION ── */
.section{padding:52px 0}
.section-title{font-family:var(--font-head);font-size:22px;font-weight:700;margin-bottom:6px;letter-spacing:-.4px}
.section-sub{color:var(--muted);font-size:14px;margin-bottom:28px}

/* ── CARD ── */
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:14px;padding:22px;
  transition:.18s border-color;
}
.card:hover{border-color:var(--border2)}
.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px}
.card-title{font-family:var(--font-head);font-weight:700;font-size:15px}

/* ── PRICING ── */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:10px;margin-top:8px}
.price-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:12px;padding:18px 16px;cursor:pointer;
  transition:.18s;position:relative;overflow:hidden;
}
.price-card:hover{border-color:rgba(79,255,176,.4);transform:translateY(-2px)}
.price-card.featured{border-color:rgba(79,255,176,.35);background:linear-gradient(135deg,rgba(79,255,176,.05),var(--surface))}
.price-card .badge{
  position:absolute;top:10px;right:10px;
  background:var(--accent);color:#060910;
  font-size:9px;font-weight:800;padding:2px 6px;border-radius:4px;letter-spacing:.4px;
}
.price-tag{font-size:10px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.price-tag.muted{color:var(--muted)}
.price-label{font-family:var(--font-head);font-size:14px;font-weight:700;margin-bottom:4px}
.price-amount{font-family:var(--font-head);font-size:24px;font-weight:800;color:var(--text);line-height:1}
.price-amount small{font-size:12px;color:var(--muted);font-weight:400}
.price-note{font-size:11px;color:var(--muted);margin-top:6px}

/* ── FORMS ── */
.form-group{margin-bottom:14px}
label{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-bottom:5px;letter-spacing:.3px}
input,textarea{
  width:100%;background:var(--surface2);
  border:1px solid var(--border2);border-radius:8px;
  padding:10px 13px;color:var(--text);
  font-family:var(--font-body);font-size:14px;
  transition:.15s;outline:none;
}
input:focus,textarea:focus{border-color:rgba(79,255,176,.5);background:var(--surface3)}
input::placeholder,textarea::placeholder{color:var(--muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* ── SESSION CARDS ── */
.sessions-grid{display:grid;gap:10px}
.session-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:12px;padding:16px 18px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.session-icon{
  width:40px;height:40px;border-radius:10px;
  background:var(--surface2);display:flex;
  align-items:center;justify-content:center;
  font-size:18px;flex-shrink:0;
}
.session-info{flex:1;min-width:0}
.session-phone{font-family:var(--font-head);font-weight:700;font-size:14px}
.session-meta{font-size:11px;color:var(--muted);margin-top:3px}
.session-actions{display:flex;gap:6px;flex-wrap:wrap}

.status-badge{
  display:inline-flex;align-items:center;gap:4px;
  font-size:10px;font-weight:700;padding:2px 8px;
  border-radius:100px;letter-spacing:.3px;
}
.status-connected{background:rgba(79,255,176,.1);color:var(--accent)}
.status-pending,.status-connecting{background:rgba(255,179,71,.1);color:var(--warn)}
.status-error,.status-logged_out{background:rgba(255,79,106,.1);color:var(--danger)}
.status-paired{background:rgba(0,229,255,.1);color:var(--accent2)}

/* ── AUTH ── */
.auth-container{max-width:400px;margin:0 auto;padding:40px 16px}
.auth-header{text-align:center;margin-bottom:24px}
.auth-header img{width:60px;height:60px;border-radius:16px;object-fit:cover;margin-bottom:12px;border:2px solid var(--border2)}
.auth-title{font-family:var(--font-head);font-size:22px;font-weight:800;margin-bottom:4px}
.auth-sub{color:var(--muted);font-size:13px}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px}
.auth-tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:22px;gap:0}
.auth-tab{
  flex:1;padding:10px;text-align:center;cursor:pointer;
  font-size:14px;font-weight:500;color:var(--muted);
  border-bottom:2px solid transparent;transition:.15s;margin-bottom:-1px;
}
.auth-tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.hcaptcha-wrap{margin:14px 0}

.alert{padding:11px 13px;border-radius:8px;font-size:13px;margin-bottom:14px;display:none}
.alert.show{display:block}
.alert-error{background:rgba(255,79,106,.08);border:1px solid rgba(255,79,106,.25);color:var(--danger)}
.alert-success{background:rgba(79,255,176,.08);border:1px solid rgba(79,255,176,.25);color:var(--accent)}

/* ── MODAL ── */
.modal{
  position:fixed;inset:0;background:rgba(0,0,0,.75);
  backdrop-filter:blur(8px);z-index:200;
  display:none;align-items:center;justify-content:center;padding:16px;
}
.modal.show{display:flex}
.modal-box{
  background:var(--surface);border:1px solid var(--border2);
  border-radius:18px;padding:28px;max-width:420px;
  width:100%;position:relative;animation:slideUp .22s ease;
}
@keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.modal-close{
  position:absolute;top:14px;right:14px;
  background:var(--surface2);border:none;color:var(--muted);
  width:30px;height:30px;border-radius:7px;cursor:pointer;
  font-size:14px;display:flex;align-items:center;justify-content:center;transition:.15s;
}
.modal-close:hover{color:var(--text)}
.modal-title{font-family:var(--font-head);font-size:18px;font-weight:800;margin-bottom:4px}
.modal-sub{color:var(--muted);font-size:13px;margin-bottom:20px}

/* pairing code */
.pairing-code{
  font-family:var(--font-head);font-size:34px;font-weight:800;
  letter-spacing:8px;text-align:center;padding:18px;
  background:var(--surface2);border:2px dashed rgba(79,255,176,.4);
  border-radius:12px;color:var(--accent);margin-bottom:12px;
  min-height:76px;display:flex;align-items:center;justify-content:center;
}
.pairing-steps{list-style:none;counter-reset:steps}
.pairing-steps li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13px;color:var(--muted);margin-bottom:9px;counter-increment:steps;
}
.pairing-steps li::before{
  content:counter(steps);background:var(--surface3);color:var(--text);
  width:20px;height:20px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0;
}

/* upgrade */
.upgrade-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}
.upgrade-option{
  background:var(--surface2);border:1px solid var(--border2);
  border-radius:10px;padding:13px;cursor:pointer;transition:.15s;text-align:center;
}
.upgrade-option:hover,.upgrade-option.selected{border-color:var(--accent);background:rgba(79,255,176,.05)}
.upgrade-price{font-family:var(--font-head);font-size:19px;font-weight:800;color:var(--accent)}
.upgrade-label{font-size:11px;color:var(--muted);margin-top:2px}

/* QRIS */
.qris-wrap{text-align:center}
.qris-img{max-width:220px;border-radius:12px;border:2px solid var(--border2);margin:0 auto 12px;display:block}
.qris-amount{font-family:var(--font-head);font-size:26px;font-weight:800;color:var(--accent);margin-bottom:3px}
.qris-note{font-size:12px;color:var(--muted);margin-bottom:16px}
.qris-timer{font-size:13px;color:var(--warn);font-weight:600}

/* CS */
.cs-note{font-size:12px;color:var(--muted);margin-top:8px}
textarea{resize:vertical;min-height:90px}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:28px 0;margin-top:60px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
.footer-links a{color:var(--muted);text-decoration:none;font-size:13px;transition:.15s}
.footer-links a:hover{color:var(--accent)}
.footer-copy{color:var(--muted);font-size:12px}

/* PAGES */
.page{display:none}
.page.active{display:block}

/* SPINNER */
.spinner{
  display:inline-block;width:16px;height:16px;
  border:2px solid rgba(79,255,176,.2);border-top-color:var(--accent);
  border-radius:50%;animation:spin .55s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-overlay{
  position:fixed;inset:0;background:rgba(6,9,16,.85);
  z-index:300;display:none;align-items:center;justify-content:center;
  flex-direction:column;gap:12px;backdrop-filter:blur(4px);
}
.loading-overlay.show{display:flex}
.loading-text{color:var(--muted);font-size:13px}

/* TOAST */
.toast-container{position:fixed;bottom:20px;right:16px;z-index:400;display:flex;flex-direction:column;gap:7px;max-width:300px}
.toast{
  background:var(--surface2);border:1px solid var(--border2);
  border-radius:10px;padding:11px 14px;font-size:13px;
  animation:toastIn .2s ease;display:flex;align-items:center;gap:9px;
}
.toast.success{border-left:3px solid var(--accent)}
.toast.error{border-left:3px solid var(--danger)}
@keyframes toastIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:translateX(0)}}

/* RESPONSIVE */
@media(max-width:600px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(3){border-top:1px solid var(--border)}
  .stat:nth-child(4){border-top:1px solid var(--border);border-right:none}
  .form-row{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:repeat(2,1fr)}
  .upgrade-grid{grid-template-columns:1fr}
  .hero h1{font-size:36px;letter-spacing:-1.5px}
  .hero p{font-size:15px}
  .footer-inner{flex-direction:column;text-align:center}
  .session-card{flex-direction:column;align-items:flex-start}
}
@media(max-width:360px){
  .nav-user{display:none}
  .pricing-grid{grid-template-columns:1fr}
}