/* Bi‑Therapy v2 — Light Theme */
:root{
  --bg:#f8fafc; --surface:#ffffff; --card:#ffffff; --muted:#64748b;
  --text:#1e293b; --heading:#0f172a; --primary:#3b82f6; --primary-600:#2563eb; --accent:#1e40af;
  --ok:#059669; --warn:#d97706; --err:#dc2626; --radius:16px; --radius-sm:12px;
  --border:#e2e8f0; --shadow: 0 8px 30px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html,body{height:100%;overflow-x:hidden}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto; background:var(--bg); color:var(--text); overflow-x:hidden}
img{max-width:100%;display:block}
svg{max-width:100%;height:auto;display:block}
a{color:var(--primary-600);text-decoration:none}
.container{width:min(1360px,100%);margin-inline:auto;padding:20px}
.btn{cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font-weight:600;font-size:14px;transition:all 0.2s ease;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px}
.btn-primary{background:linear-gradient(135deg,#3b82f6,#1e40af);color:#fff;box-shadow:0 2px 8px rgba(59,130,246,0.3);border:1px solid rgba(59,130,246,0.2)}
.btn-primary:hover{background:linear-gradient(135deg,#2563eb,#1d4ed8);box-shadow:0 4px 12px rgba(59,130,246,0.4);transform:translateY(-1px)}
.btn-outline{background:#fff;color:#3b82f6;border:1px solid #3b82f6;box-shadow:0 1px 3px rgba(0,0,0,0.1)}
.btn-outline:hover{background:#f8fafc;border-color:#2563eb;color:#2563eb;transform:translateY(-1px)}
.btn-ghost{background:#f8fafc;color:#64748b;border:1px solid #e2e8f0;box-shadow:0 1px 2px rgba(0,0,0,0.05)}
.btn-ghost:hover{background:#f1f5f9;color:#475569;border-color:#cbd5e1;transform:translateY(-1px)}
h1,h2,h3{color:var(--heading);margin:0}
.section{padding:48px 0}
.grid{display:grid;gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}

/* Header */
.header{position:sticky;top:0;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:40}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand h1{font-size:20px;letter-spacing:.4px}
.menu{display:flex;gap:8px;flex-wrap:wrap}
.menu a{padding:10px 12px;border-radius:10px;color:#334155}
.menu a:hover{background:#eef2ff}
.actions{display:flex;gap:10px}
.nav-panel{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
#mobileMenuToggle{display:none;align-items:center;justify-content:center;border-radius:10px;background:#f8fafc;border:1px solid var(--border);color:#475569}
#mobileMenuToggle:hover{background:#eef2ff;color:#1e40af}

/* Hero */
.hero{display:grid;gap:24px;grid-template-columns:1.1fr .9fr;align-items:center}
.hero h1{font-size:40px;line-height:1.1}
.hero p{color:var(--muted)}
.badges{display:flex;gap:10px;margin-top:10px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}
.stat{background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px;text-align:center;box-shadow:var(--shadow)}
.stat .n{font-weight:900;font-size:20px}

/* Categories */
.cat-grid{grid-template-columns:repeat(6,1fr)}
.cat{border:1px solid var(--border);border-radius:14px;padding:14px;background:#fff;text-align:center;box-shadow:var(--shadow)}
.cat h3{font-size:15px;margin-top:8px}

/* Testimonials */
.testi-grid{grid-template-columns:repeat(2,1fr)}
.testi{display:flex;gap:14px}
.avatar{width:44px;height:44px;border-radius:999px;background:#e2e8f0;display:grid;place-items:center}

/* Footer */
.footer{border-top:1px solid var(--border);padding:22px 0;color:#475569;background:#fff}

/* Modal */
.appointment-modal{display:none;position:fixed;inset:0;z-index:140}
.modal-overlay{position:absolute;inset:0;background:rgba(15,23,42,.45)}
.modal-box{position:relative;max-width:920px;margin:40px auto;background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:0 24px 60px rgba(2,8,23,.25);max-height:90vh;display:flex;flex-direction:column}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;background:#f8fafc;border-bottom:1px solid var(--border)}
.modal-step-counter{display:none;font-size:12px;color:#64748b;font-weight:600;margin-top:6px}
.modal-body{display:grid;grid-template-columns:280px 1fr;flex:1;overflow:hidden}
.steps{background:#f8fafc;border-right:1px solid var(--border);padding:12px}
.step{display:flex;gap:12px;align-items:center;padding:12px;border-radius:12px;margin-bottom:4px;color:#334155;transition:all 0.2s ease;cursor:pointer}
.step:hover{background:#f1f5f9}
.step.active{background:#eef2ff;border:1px solid #dbeafe;box-shadow:0 2px 8px rgba(59,130,246,0.1)}
.step .idx{width:24px;height:24px;background:#e2e8f0;color:#64748b;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;transition:all 0.2s ease}
.step.active .idx{background:#3b82f6;color:white}
.step-separator{height:1px;background:linear-gradient(90deg,transparent,#e2e8f0,#e2e8f0,transparent);margin:8px 0;position:relative}
.step-separator::before{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:4px;height:4px;background:#cbd5e1;border-radius:50%}
.content{padding:16px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;height:100%}
.therapist-card{border:1px solid var(--border);border-radius:12px;padding:10px;background:#fff;cursor:pointer;box-shadow:0 6px 18px rgba(15,23,42,0.08)}
.therapist-card.selected{outline:2px solid #93c5fd;box-shadow:0 0 0 4px #e0f2fe}
.fields{display:grid;gap:12px;grid-template-columns:1fr 1fr}
input,select,textarea{background:#fff;color:#0f172a;border:1px solid var(--border);border-radius:10px;padding:12px}
.slots{display:flex;flex-wrap:wrap;gap:10px}
.slot{padding:10px 12px;border:1px solid var(--border);border-radius:10px;cursor:pointer;background:#fff}
.slot.selected{border-color:#93c5fd;background:#eff6ff}
.modal-foot{display:flex;justify-content:space-between;padding:14px 18px;border-top:1px solid var(--border);background:#f8fafc}
.toast{position:fixed;left:50%;top:18px;transform:translateX(-50%);background:#111827;color:#fff;padding:.6rem .9rem;border-radius:10px;opacity:0;transition:.2s;z-index:99}
.toast.show{opacity:1}

@media (max-width: 980px){
  .hero{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .testi-grid{grid-template-columns:1fr}
  .modal-body{grid-template-columns:1fr;flex:1;overflow:hidden}
  .steps{display:none}
  .content{height:100%;overflow-y:auto}
}

@media (max-width: 960px){
  .nav{flex-wrap:wrap;gap:10px;position:relative}
  .brand{order:1}
  #mobileMenuToggle{order:2;margin-left:auto;display:flex !important}
  .nav-panel{order:3;width:100%;display:none;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:12px}
  .nav-panel .menu{flex-direction:column !important;gap:6px !important;align-items:stretch !important;width:100%}
  .nav-panel .menu a{width:100%;justify-content:flex-start}
  .nav-panel .actions{flex-direction:column !important;gap:8px !important;align-items:stretch !important;width:100%;padding-top:8px;border-top:1px solid var(--border)}
  .nav-panel .actions .btn{width:100%;justify-content:center}
  .header.nav-open .nav-panel{display:block;animation:menuDrop 0.18s ease}
}

@keyframes menuDrop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
  /* Header Mobile */
  .header .nav {
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 0;
  }
  
  .header .brand h1 {
    font-size: 18px;
  }
  
  .header .brand div {
    font-size: 10px;
  }
  
  .header .actions {
    flex-direction: column;
    gap: 8px;
    width: 100%;
  }
  
  .header .actions .btn {
    width: 100%;
    justify-content: center;
    font-size: 14px;
    padding: 10px 16px;
  }

  .section {
    overflow-x: clip;
  }
  
  /* Hero Mobile */
  .hero {
    grid-template-columns: 1fr !important;
    gap: 20px;
    text-align: center;
  }
  
  .hero h1 {
    font-size: 28px !important;
    line-height: 1.2;
  }
  
  .hero p {
    font-size: 16px;
    line-height: 1.6;
  }
  
  /* Container Mobile */
  .container {
    padding: 16px;
  }
  
  .section {
    padding: 32px 0;
  }
  
  /* Stats Mobile */
  .stat-row {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px;
  }
  
  .stat {
    padding: 16px 12px;
  }
  
  .stat .n {
    font-size: 18px;
  }
  
  /* Cards Mobile */
  .ft-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  
  .ft-card {
    margin-bottom: 16px;
  }
  
  .ft-card img {
    height: 200px;
  }
  
  /* Modal Mobile */
  .modal-box {
    margin: 0;
    max-width: 100%;
    width: 100%;
    height: 100%;
    max-height: 100svh;
    border-radius: 0;
  }

  .modal-head {
    padding: 12px 14px;
    padding-top: calc(12px + env(safe-area-inset-top));
    gap: 10px;
  }

  .modal-title {
    font-size: 16px;
  }

  .modal-subtitle {
    display: none;
  }

  .modal-step-counter {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #fff;
    margin-top: 0;
  }

  .modal-head .btn-ghost {
    padding: 6px 10px;
    font-size: 12px;
  }

  .modal-body {
    grid-template-columns: 1fr !important;
    grid-template-rows: auto 1fr;
    min-height: 0;
  }

  .steps {
    display: flex;
    gap: 8px;
    padding: 10px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    background: #fff;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .steps::-webkit-scrollbar {
    height: 0;
  }

  .step {
    flex: 0 0 auto;
    min-width: 120px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    background: #f8fafc;
  }

  .step .idx {
    width: 20px;
    height: 20px;
    font-size: 11px;
  }

  .step > div > div:last-child {
    display: none;
  }

  .step-separator {
    display: none;
  }

  .content {
    padding: 12px 16px 16px;
  }

  .slot-layout {
    flex-direction: column;
    gap: 12px;
    flex-wrap: nowrap !important;
  }

  .fields {
    grid-template-columns: 1fr !important;
  }
  
  .slots {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
  }
  
  .slot {
    width: 100%;
    min-width: 0;
    text-align: center;
  }

  #tMini {
    width: 100% !important;
    order: -1;
  }

  #weekNav {
    flex-wrap: nowrap !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  #weekNav button {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .modal-foot {
    flex-direction: column;
    gap: 10px;
    padding: 10px 14px calc(12px + env(safe-area-inset-bottom));
  }

  .modal-foot > div {
    width: 100%;
    display: flex;
    gap: 8px;
    flex-wrap: nowrap !important;
  }

  .modal-foot .btn {
    width: 100%;
    justify-content: center;
  }

  .modal-foot > div .btn {
    width: auto;
    flex: 1;
  }
  
  /* Buttons Mobile */
  .btn {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
    font-size: 16px;
  }
  
  /* Footer Mobile */
  .footer {
    padding: 20px 0;
  }
  
  .footer .container {
    padding: 0 16px;
  }

  /* Generic mobile layout safety */
  .grid { grid-template-columns: 1fr !important; }
  [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
  [style*="min-width"] { min-width: 0 !important; }
  [style*="display:flex"] { flex-wrap: wrap; }
  .table-card,
  .table-scroll { overflow: auto !important; -webkit-overflow-scrolling: touch; }
  .table-card table,
  .table-scroll table { min-width: 560px !important; }
  input,
  select,
textarea { width: 100% !important; max-width: 100%; }

/* Site Assistant */
.site-assistant-toggle{position:fixed;left:20px !important;right:auto !important;bottom:calc(90px + env(safe-area-inset-bottom));z-index:9998;display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,#1e40af,#059669);color:#fff;border:none;border-radius:999px;padding:12px 16px;font-weight:700;font-size:13px;cursor:pointer;box-shadow:0 12px 28px rgba(15,23,42,0.2);letter-spacing:0.01em}
.site-assistant-panel{position:fixed;left:20px !important;right:auto !important;bottom:calc(146px + env(safe-area-inset-bottom));width:min(360px,92vw);max-height:70vh;background:#fff;border:1px solid #e2e8f0;border-radius:18px;box-shadow:0 18px 50px rgba(2,8,23,.2);display:none;flex-direction:column;overflow:hidden;z-index:9998}
.site-assistant-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid #e2e8f0;background:linear-gradient(180deg,#f8fafc,#fff)}
.site-assistant-body{padding:12px;overflow:auto;display:flex;flex-direction:column;gap:10px}
.site-assistant-msg{padding:10px 12px;border-radius:12px;font-size:13px;line-height:1.5;max-width:85%;white-space:pre-line}
.site-assistant-msg.user{align-self:flex-end;background:#e0f2fe;color:#0c4a6e}
.site-assistant-msg.bot{align-self:flex-start;background:#f1f5f9;color:#0f172a}
.site-assistant-input{display:flex;gap:8px;padding:10px;border-top:1px solid #e2e8f0;background:#fff}
.site-assistant-input input{flex:1;border:1px solid #e2e8f0;border-radius:10px;padding:10px 12px;font-size:13px;outline:none}
.site-assistant-input input:focus{border-color:#1e40af;box-shadow:0 0 0 3px rgba(30,64,175,0.12)}
.site-assistant-input button{border:none;border-radius:10px;background:#1e40af;color:#fff;padding:10px 12px;font-weight:700;cursor:pointer}
.site-assistant-hint{display:flex;gap:6px;flex-wrap:wrap}
.site-assistant-chip{font-size:11px;border:1px solid #e2e8f0;border-radius:999px;padding:6px 10px;background:#f8fafc;color:#1e293b;cursor:pointer;transition:all .2s ease}
.site-assistant-chip:hover{border-color:#1e40af;color:#1e40af;background:#eef2ff}

@media (max-width: 640px) {
  .site-assistant-toggle{left:16px !important;right:auto !important;bottom:calc(90px + env(safe-area-inset-bottom))}
  .site-assistant-toggle span{display:none}
  .site-assistant-panel{left:16px !important;right:auto !important;bottom:calc(146px + env(safe-area-inset-bottom))}
}

}

@media (max-width: 480px) {
  /* Extra Small Mobile */
  .container {
    padding: 12px;
  }
  
  .section {
    padding: 24px 0;
  }
  
  .hero h1 {
    font-size: 24px !important;
  }
  
  .hero p {
    font-size: 14px;
  }
  
  .stat-row {
    grid-template-columns: 1fr !important;
    gap: 8px;
  }
  
  .stat {
    padding: 12px 8px;
  }
  
  .stat .n {
    font-size: 16px;
  }
  
  .ft-card img {
    height: 180px;
  }
  
  .modal-box {
    margin: 0;
    max-width: 100%;
    width: 100%;
    height: 100%;
    max-height: 100svh;
  }
  
  .btn {
    padding: 10px 16px;
    font-size: 14px;
  }

  .slots {
    grid-template-columns: 1fr;
  }
}

/* Progress bar for modal */
.progressbar{height:6px;background:#e8eefc;position:relative;border-radius:999px;overflow:hidden;margin-top:8px}
.progressbar .bar{position:absolute;left:0;top:0;bottom:0;width:25%;background:linear-gradient(90deg,#1e40af,#059669)}
[data-step="2"] ~ .progressbar .bar{width:50%}
[data-step="3"] ~ .progressbar .bar{width:75%}
[data-step="4"] ~ .progressbar .bar{width:100%}
/* Better tags */
.tag{font-size:11px;padding:4px 8px;border:1px solid var(--border);border-radius:999px;background:#fff}


/* Progress bar with 5 steps */
.modal-box[data-step] .progressbar{height:6px;background:#e8eefc;position:relative;border-radius:999px;overflow:hidden;margin-top:8px}
.modal-box .progressbar .bar{position:absolute;left:0;top:0;bottom:0;width:20%;background:linear-gradient(90deg,#1e40af,#059669);transition:width .25s ease}
.modal-box[data-step="1"] .progressbar .bar{width:20%}
.modal-box[data-step="2"] .progressbar .bar{width:40%}
.modal-box[data-step="3"] .progressbar .bar{width:60%}
.modal-box[data-step="4"] .progressbar .bar{width:80%}
.modal-box[data-step="5"] .progressbar .bar{width:100%}