/* ============================================================
   booking.css  —  "Book a call" step wizard
   One step on screen at a time (date → time → details → done),
   with a progress header. Uses tokens from styles.css :root.
   ============================================================ */

.booking-card{
  margin-top:40px;
  background:var(--panel,#0e0e12);
  border:1px solid var(--line,#1e1e24);
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 30px 80px -40px rgba(0,0,0,.85);
  max-width:640px;
  margin-left:auto;margin-right:auto;
}
.bk-card-inner{padding:30px;animation:fade .3s var(--ease)}

/* ---------- popup mode (wizard inside the modal) ---------- */
.modal.booking-modal{background:transparent;border:none;box-shadow:none;max-width:660px;overflow:visible}
.modal.booking-modal .booking-card{margin:0;max-width:none;max-height:88vh;overflow-y:auto}
.modal.booking-modal .booking-card::-webkit-scrollbar{width:8px}
.modal.booking-modal .booking-card::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.modal.booking-modal .modal-close{top:14px;right:14px;z-index:5}
@media(max-width:480px){
  .bk-card-inner{padding:22px 18px}
  .bk-progress{padding:16px 14px}
  .modal.booking-modal .booking-card{max-height:92vh}
  .bk-slots{grid-template-columns:repeat(3,1fr)}
}

/* ---------- progress header ---------- */
.bk-progress{
  display:flex;align-items:center;gap:6px;
  padding:20px 26px;border-bottom:1px solid var(--line);
  background:var(--bg-soft,#08080a);
}
.bk-prog-step{display:flex;align-items:center;gap:8px;opacity:.5;transition:opacity .25s}
.bk-prog-step.active,.bk-prog-step.done{opacity:1}
.bk-prog-num{
  width:26px;height:26px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;
  border:1px solid var(--line);background:var(--panel-2,#141419);color:var(--muted);
}
.bk-prog-step.active .bk-prog-num{background:var(--grad);color:#08080a;border-color:transparent}
.bk-prog-step.done .bk-prog-num{background:var(--panel-2);color:var(--g3);border-color:var(--g3)}
.bk-prog-label{font-size:.82rem;color:var(--muted);white-space:nowrap}
.bk-prog-step.active .bk-prog-label{color:var(--text);font-weight:600}
.bk-prog-line{flex:1;height:1px;background:var(--line);min-width:10px}
.bk-prog-line.done{background:var(--g2)}
@media(max-width:560px){
  .bk-prog-label{display:none}
  .bk-progress{justify-content:center}
}

/* ---------- step heading ---------- */
.bk-step-head{margin-bottom:20px}
.bk-step-head h3{font-family:var(--display);font-weight:700;font-size:1.4rem;margin-bottom:4px}
.bk-step-head p{color:var(--muted);font-size:.9rem}
.bk-muted{color:var(--muted);font-size:.9rem}

/* ---------- timezone picker (step 1) ---------- */
.bk-tzpick{display:block;margin-bottom:22px;font-size:.78rem;color:var(--muted)}
.bk-tzpick select{
  width:100%;margin-top:6px;padding:11px 13px;border-radius:10px;font-family:var(--body);font-size:.88rem;
  border:1px solid var(--line);background:var(--bg-soft,#08080a);color:var(--text);transition:border-color .18s;
}
.bk-tzpick select:focus{outline:none;border-color:var(--g2)}

/* ---------- calendar (step 1) ---------- */
.bk-cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.bk-month{font-family:var(--display);font-weight:700;font-size:1.1rem}
.bk-nav{
  width:38px;height:38px;border-radius:10px;cursor:pointer;
  border:1px solid var(--line);background:var(--panel-2,#141419);color:var(--text);
  font-size:1.2rem;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:border-color .2s,transform .2s,opacity .2s;
}
.bk-nav:hover:not(:disabled){border-color:var(--g2);transform:translateY(-2px)}
.bk-nav:disabled{opacity:.3;cursor:not-allowed}
.bk-dow{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-bottom:8px}
.bk-dow span{text-align:center;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2,#6e6e77)}
.bk-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.bk-day{
  aspect-ratio:1/1;border:1px solid transparent;border-radius:10px;
  background:var(--panel-2,#141419);color:var(--text);
  font-family:var(--body);font-size:.92rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .15s,transform .15s,background .15s,color .15s;
}
.bk-day.empty{background:transparent;border:none;cursor:default}
.bk-day:hover:not(.disabled):not(.empty){border-color:var(--g2);transform:translateY(-2px)}
.bk-day.disabled{color:var(--muted-2,#6e6e77);opacity:.35;cursor:not-allowed;background:transparent}
.bk-day.today{border-color:var(--line);box-shadow:inset 0 0 0 1px var(--g3)}
.bk-day.selected{background:var(--grad);color:#08080a;font-weight:700;border-color:transparent}

/* ---------- durations + slots (step 2) ---------- */
.bk-durations{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.bk-dur{
  padding:7px 14px;border-radius:99px;cursor:pointer;font-size:.82rem;
  border:1px solid var(--line);background:var(--panel-2,#141419);color:var(--muted);transition:all .18s;
}
.bk-dur:hover{color:var(--text);border-color:var(--muted-2)}
.bk-dur.active{background:var(--grad);color:#08080a;border-color:transparent;font-weight:600}
.bk-slots{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  max-height:300px;overflow-y:auto;align-content:start;padding-right:4px;
}
.bk-slots::-webkit-scrollbar{width:6px}
.bk-slots::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
.bk-slot{
  padding:11px 6px;border-radius:10px;cursor:pointer;font-size:.85rem;font-weight:500;
  border:1px solid var(--line);background:var(--panel-2,#141419);color:var(--text);
  transition:border-color .15s,transform .15s,background .15s,color .15s;
}
.bk-slot:hover{border-color:var(--g2);transform:translateY(-2px)}
.bk-slot.active{background:var(--grad);color:#08080a;border-color:transparent;font-weight:700}
/* already-booked slot (from live Google Calendar free/busy) */
.bk-slot.taken{opacity:.32;cursor:not-allowed;text-decoration:line-through;
  background:var(--bg-soft);color:var(--muted-2);border-color:var(--line)}
.bk-slot.taken:hover{transform:none;border-color:var(--line)}

/* ---------- details form (step 3) ---------- */
.bk-form{display:flex;flex-direction:column;gap:14px}
.bk-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:480px){.bk-row{grid-template-columns:1fr}}
.bk-summary{
  display:flex;align-items:center;gap:12px;padding:14px 16px;margin-bottom:6px;
  border:1px solid var(--line);border-left:3px solid var(--g2);border-radius:12px;
  background:var(--panel-2,#141419);
}
.bk-sum-icon{font-size:1.3rem}
.bk-summary b{font-family:var(--display);display:block;font-size:.95rem}
.bk-summary span{color:var(--muted);font-size:.82rem}
.bk-form label{display:flex;flex-direction:column;gap:6px;font-size:.82rem;color:var(--muted)}
.bk-form input,.bk-form textarea{
  width:100%;padding:12px 14px;border-radius:10px;font-family:var(--body);font-size:.92rem;
  border:1px solid var(--line);background:var(--bg-soft,#08080a);color:var(--text);
  transition:border-color .18s;resize:vertical;
}
.bk-form input:focus,.bk-form textarea:focus{outline:none;border-color:var(--g2)}
.bk-actions{display:flex;gap:12px;margin-top:6px}
.bk-actions .bk-back{flex:none}
.bk-actions .bk-confirm{flex:1}
.bk-back{margin-top:18px}
.bk-error{color:#ff6b6b;font-size:.85rem;background:rgba(255,80,80,.08);
  border:1px solid rgba(255,80,80,.25);border-radius:10px;padding:10px 14px}

/* ---------- done (step 4) ---------- */
.bk-done{text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;padding:46px 30px}
.bk-check{
  width:62px;height:62px;border-radius:50%;background:var(--grad);color:#08080a;
  font-size:1.9rem;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 34px rgba(255,27,141,.4);
}
.bk-done h3{font-family:var(--display);font-weight:800;font-size:1.5rem}
.bk-done p{color:var(--muted);font-size:.92rem;max-width:380px}
.bk-done .btn{margin-top:8px}
/* booking summary card on the success screen */
.bk-done-card{width:100%;max-width:380px;margin:4px 0 6px;padding:18px 20px;border-radius:14px;
  background:var(--panel-2,#141419);border:1px solid var(--line);border-left:3px solid var(--g2);text-align:left}
.bk-done-title{font-family:var(--display);font-weight:700;font-size:1rem;margin-bottom:10px;line-height:1.3}
.bk-done-when{font-size:.92rem;color:var(--text);margin-bottom:4px}
.bk-done-tz{font-size:.82rem;color:var(--muted)}
.bk-done-note{color:var(--g3);font-size:.88rem}
.bk-done-zoom{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:9px 16px;border-radius:99px;
  background:var(--grad);color:#08080a;font-weight:600;font-size:.85rem;text-decoration:none;transition:transform .2s}
.bk-done-zoom:hover{transform:translateY(-2px)}

/* ---------- calendar loading state ---------- */
.bk-loader{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:64px 30px;min-height:320px;animation:fade .3s var(--ease);
}
.bk-spinner{
  width:54px;height:54px;border-radius:50%;margin-bottom:22px;
  background:conic-gradient(from 0deg, transparent 0%, var(--g1) 35%, var(--g2) 70%, var(--g3) 100%);
  -webkit-mask:radial-gradient(farthest-side, transparent calc(100% - 5px), #000 calc(100% - 5px));
  mask:radial-gradient(farthest-side, transparent calc(100% - 5px), #000 calc(100% - 5px));
  animation:bkspin 0.9s linear infinite;
}
@keyframes bkspin{to{transform:rotate(360deg)}}
.bk-loader h3{font-family:var(--display);font-weight:700;font-size:1.15rem;margin-bottom:6px}
.bk-loader p{color:var(--muted);font-size:.9rem}
@media(prefers-reduced-motion:reduce){ .bk-spinner{animation-duration:2s} }