/* =========================================================================
   Vahini Studio - the demo flow chrome (intake → upload → process → report)
   Layers on top of report.css (same Ink & Paper tokens).
   ========================================================================= */

body.studio{ background:#2c3038; }

/* ---- App frame / progress rail ---------------------------------------- */
.studio-top{
  position:sticky; top:0; z-index:40;
  background:rgba(24,28,44,.95); backdrop-filter:blur(10px);
  color:#fff; display:flex; align-items:center; gap:20px; padding:12px 22px;
  box-shadow:0 4px 20px rgba(0,0,0,.3);
}
.studio-top .st-brand{ display:flex; align-items:center; gap:10px; font-family:var(--serif); font-size:16px; font-weight:600; }
.studio-top .st-brand img{ width:26px;height:26px;border-radius:50%; }
.studio-top .st-brand small{ display:block; font-family:var(--sans); font-size:9px; letter-spacing:.22em; text-transform:uppercase; color:#9aa0b8; font-weight:700; margin-top:1px; }
.steps{ display:flex; align-items:center; gap:0; margin:0 auto; }
.steps .step{ display:flex; align-items:center; gap:9px; color:#7e85a0; }
.steps .step{ color:#7e85a0; font-size:12px; font-weight:600; }
.steps .step .dot{ width:24px;height:24px;border-radius:50%; display:grid;place-items:center; background:rgba(255,255,255,.08); font-size:11px; font-weight:800; color:#9aa0b8; flex:0 0 auto; }
.steps .step.on{ color:#fff; }
.steps .step.on .dot{ background:var(--accent); color:#fff; }
.steps .step.done .dot{ background:var(--grow); color:#fff; }
.steps .sep{ width:34px; height:2px; background:rgba(255,255,255,.12); margin:0 12px; }
.steps .sep.done{ background:var(--grow); }
.studio-top .st-reset{ background:rgba(255,255,255,.1); color:#fff; border:0; font:inherit; font-size:12px; font-weight:600; padding:7px 14px; border-radius:8px; cursor:pointer; }

/* ---- Screen scaffold --------------------------------------------------- */
.screen{ display:none; max-width:980px; margin:0 auto; padding:36px 28px 60px; }
.screen.on{ display:block; animation:slideUp .4s ease; }
@keyframes slideUp{ from{ transform:translateY(14px); } to{ transform:none; } }

.screen-head{ text-align:center; margin-bottom:30px; }
.screen-head .eyebrow{ color:var(--accent); }
.screen-head h1{ font-family:var(--serif); font-size:38px; color:#fff; margin:12px 0 10px; letter-spacing:-.01em; }
.screen-head p{ color:#b8bdd0; font-size:15px; max-width:560px; margin:0 auto; line-height:1.55; }

/* ---- Cards / panels ---------------------------------------------------- */
.panel{ background:var(--paper); border-radius:18px; padding:28px; box-shadow:0 16px 44px rgba(0,0,0,.32); }
.panel + .panel{ margin-top:18px; }

/* ---- Role chooser ------------------------------------------------------ */
.role-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:12px; margin-bottom:8px; }
.role-card{
  position:relative; border:1.5px solid var(--hair); border-radius:14px; background:var(--card);
  padding:18px 12px; text-align:center; cursor:pointer; transition:.18s; user-select:none;
}
.role-card:hover{ border-color:var(--accent); transform:translateY(-2px); }
.role-card.sel{ border-color:var(--accent); background:var(--accent-soft); box-shadow:0 0 0 3px var(--accent-soft); }
.role-card .ri{ width:46px;height:46px;border-radius:12px;margin:0 auto 11px;display:grid;place-items:center; background:var(--paper-2); color:var(--accent-deep); }
.role-card.sel .ri{ background:var(--accent); color:#fff; }
.role-card .ri svg{ width:25px;height:25px; }
.role-card .rt{ font-weight:700; font-size:13px; color:var(--ink); }
.role-card .rs{ font-size:10px; color:var(--muted); margin-top:3px; line-height:1.3; }

/* ---- Form -------------------------------------------------------------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px 18px; margin-top:22px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-size:11px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-2); }
.field label .opt{ color:var(--muted); font-weight:600; text-transform:none; letter-spacing:0; }
.field input, .field select, .field textarea{
  font:inherit; font-size:14px; color:var(--ink); background:var(--card);
  border:1.5px solid var(--hair); border-radius:10px; padding:11px 13px; outline:none; transition:.15s;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.field .hint{ font-size:11px; color:var(--muted); }
.role-only{ display:none; }

/* ---- Mode select ------------------------------------------------------- */
.mode-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:6px; }
.mode-card{ position:relative; border:1.5px solid var(--hair); border-radius:16px; background:var(--card); padding:24px; cursor:pointer; transition:.18s; overflow:hidden; }
.mode-card:hover{ border-color:var(--accent); transform:translateY(-3px); box-shadow:0 14px 32px rgba(28,34,54,.12); }
.mode-card.pen{ background:linear-gradient(160deg,#1c2236,#2a3350); border-color:#39405a; color:#eef0f7; }
.mode-card.pen:hover{ border-color:var(--accent); }
.mode-card .mode-ico{ width:58px;height:58px;border-radius:15px;background:var(--paper-2);color:var(--accent-deep);display:grid;place-items:center;margin-bottom:16px; }
.mode-card.pen .mode-ico{ background:rgba(212,99,58,.2); color:#F0B59B; }
.mode-card .mode-ico svg{ width:30px;height:30px; }
.mode-card h3{ font-family:var(--serif); font-size:23px; margin-bottom:8px; }
.mode-card.pen h3{ color:#fff; }
.mode-card p{ font-size:13px; line-height:1.5; color:var(--ink-2); margin:0 0 14px; }
.mode-card.pen p{ color:#c2c7da; }
.mode-feat{ list-style:none; margin:0 0 18px; padding:0; display:flex; flex-direction:column; gap:7px; }
.mode-feat li{ font-size:12px; color:var(--ink-2); padding-left:20px; position:relative; line-height:1.35; }
.mode-feat li::before{ content:""; position:absolute; left:0; top:5px; width:8px;height:8px;border-radius:50%;background:var(--accent); }
.mode-card.pen .mode-feat li{ color:#d2d6e6; }
.mode-card.pen .mode-feat li b{ color:#F0B59B; }
.mode-pick{ display:inline-flex; align-items:center; gap:8px; font-weight:700; font-size:13px; color:var(--accent-deep); }
.mode-card.pen .mode-pick{ color:#F0B59B; }
.mode-pick svg{ width:16px;height:16px; }
.mode-flag{ position:absolute; top:14px; right:14px; font-size:9px; font-weight:800; letter-spacing:.1em; text-transform:uppercase; background:var(--accent); color:#fff; padding:4px 10px; border-radius:99px; }

/* ---- IMU live capture -------------------------------------------------- */
.imu-stage{ display:grid; grid-template-columns:1.15fr 1fr; gap:18px; margin-bottom:16px; }
.imu-left{ display:flex; flex-direction:column; gap:14px; }
.pen-card{ position:relative; background:#0f1320; border-radius:14px; padding:14px 16px; }
.pen-card svg .pl{ fill:#8d93a8; font-size:11px; font-family:var(--sans); font-weight:700; letter-spacing:.04em; }
.rec-badge{ position:absolute; top:12px; right:14px; display:flex; align-items:center; gap:7px; font-size:10px; font-weight:800; letter-spacing:.08em; color:#ff7a59; }
.rec-dot{ width:9px;height:9px;border-radius:50%;background:#ff5b38; animation:recpulse 1.1s infinite; }
@keyframes recpulse{ 0%,100%{ opacity:1; } 50%{ opacity:.25; } }
.trace-card{ position:relative; background:#fff; border-radius:14px; padding:8px; flex:1; min-height:200px; }
.trace-card .trace-tag{ position:absolute; top:14px; left:16px; font-size:9px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); z-index:2; }
.trace-card canvas{ width:100%; height:100%; display:block; border-radius:8px; }

.imu-right{ display:flex; flex-direction:column; gap:11px; }
.scope{ background:#0f1320; border-radius:12px; padding:11px 13px; }
.sc-h{ display:flex; align-items:center; justify-content:space-between; margin-bottom:6px; }
.sc-t{ font-size:11px; font-weight:800; letter-spacing:.04em; }
.sc-v{ font-family:var(--serif); font-size:16px; color:#fff; font-variant-numeric:tabular-nums; }
.scope canvas{ width:100%; height:74px; display:block; }
.imu-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:9px; margin-top:3px; }
.ist{ background:var(--card); border:1px solid var(--hair); border-radius:11px; padding:10px; text-align:center; }
.ist-k{ display:block; font-size:9px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); font-weight:700; }
.ist-v{ display:block; font-family:var(--serif); font-size:21px; color:var(--ink); margin-top:3px; font-variant-numeric:tabular-nums; }

.sensor-strip{ display:grid; grid-template-columns:repeat(4,1fr); gap:11px; margin-bottom:6px; }
.sensor-cell{ border:1px solid var(--hair); border-radius:12px; padding:12px 14px; background:var(--card); }
.sensor-cell .sh{ display:flex; align-items:center; gap:7px; margin-bottom:4px; flex-wrap:nowrap; }
.sensor-cell .sh i{ width:10px;height:10px;border-radius:50%; flex:0 0 auto; }
.sensor-cell .sh b{ font-size:11.5px; color:var(--ink); line-height:1.1; white-space:nowrap; }
.sensor-cell .ss{ font-size:9.5px; color:var(--muted); margin-bottom:8px; }
.sensor-cell .sa{ display:flex; flex-wrap:wrap; gap:4px; }
.sensor-cell .sa span{ font-size:9px; font-weight:700; padding:2px 6px; border-radius:5px; }

/* confidence chip on factor cards */
.conf-chip{ display:inline-block; font-size:8.5px; font-weight:800; letter-spacing:.06em; text-transform:uppercase; padding:2px 7px; border-radius:99px; margin-top:2px; }
.factor .f-name small{ text-transform:none; letter-spacing:0; }

.logo-field{ display:flex; align-items:center; gap:16px; }
.logo-field image-slot{ width:96px; height:96px; border-radius:14px; flex:0 0 auto; }

/* ---- Buttons ----------------------------------------------------------- */
.actions{ display:flex; justify-content:space-between; align-items:center; margin-top:26px; gap:14px; }
.btn{ font:inherit; font-weight:700; font-size:14px; border:0; border-radius:11px; padding:13px 26px; cursor:pointer; display:inline-flex; align-items:center; gap:9px; transition:.16s; }
.btn svg{ width:17px; height:17px; }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-deep); }
.btn-primary:disabled{ background:#cdbfae; cursor:not-allowed; }
.btn-ghost{ background:transparent; color:#c2c7da; border:1.5px solid rgba(255,255,255,.2); }
.btn-ghost:hover{ background:rgba(255,255,255,.08); }
.btn-dark{ background:var(--ink); color:#fff; }
.btn-dark:hover{ filter:brightness(1.12); }

/* ---- Upload ------------------------------------------------------------ */
.upload-grid{ display:grid; grid-template-columns:1.2fr 1fr; gap:20px; }
.dropzone{
  border:2.5px dashed var(--rule); border-radius:16px; background:var(--card);
  min-height:300px; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:28px; cursor:pointer; transition:.18s; position:relative; overflow:hidden;
}
.dropzone:hover, .dropzone.drag{ border-color:var(--accent); background:var(--accent-soft); }
.dropzone .dz-ico{ width:64px;height:64px;border-radius:16px;background:var(--paper-2);display:grid;place-items:center;color:var(--accent-deep); margin-bottom:16px; }
.dropzone .dz-ico svg{ width:32px;height:32px; }
.dropzone h3{ font-family:var(--serif); font-size:20px; margin-bottom:7px; }
.dropzone p{ font-size:12.5px; color:var(--muted); max-width:300px; line-height:1.5; }
.dropzone img.preview{ position:absolute; inset:0; width:100%; height:100%; object-fit:contain; background:#fff; padding:8px; }
.dropzone .dz-clear{ position:absolute; top:10px; right:10px; z-index:2; background:rgba(28,34,54,.85); color:#fff; border:0; width:30px;height:30px;border-radius:8px; cursor:pointer; font-size:15px; }

.expected-pane h3{ font-family:var(--serif); font-size:17px; margin-bottom:6px; }
.expected-pane .sub{ font-size:12px; color:var(--muted); margin-bottom:14px; line-height:1.45; }
.passage-list{ display:flex; flex-direction:column; gap:9px; }
.passage{ border:1.5px solid var(--hair); border-radius:11px; background:var(--card); padding:12px 14px; cursor:pointer; transition:.15s; }
.passage:hover{ border-color:var(--accent); }
.passage.sel{ border-color:var(--accent); background:var(--accent-soft); }
.passage .pt{ font-size:10px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--accent-deep); margin-bottom:5px; }
.passage .pp{ font-family:var(--handA); font-size:17px; color:#27406b; line-height:1.3; }
.passage textarea{ width:100%; margin-top:8px; min-height:54px; resize:vertical; }

/* ---- Processing -------------------------------------------------------- */
.proc-wrap{ display:grid; grid-template-columns:1.25fr 1fr; gap:22px; }
.proc-stage{ background:#0f1320; border-radius:16px; padding:14px; position:relative; overflow:hidden; min-height:330px; display:flex; align-items:center; justify-content:center; }
.proc-stage canvas{ max-width:100%; max-height:430px; border-radius:8px; display:block; }
.proc-stage .stage-tag{ position:absolute; top:12px; left:12px; background:rgba(0,0,0,.6); color:#cfe; font-size:10px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; padding:5px 11px; border-radius:99px; }
.proc-log{ background:var(--paper); border-radius:16px; padding:20px; }
.proc-log h3{ font-family:var(--serif); font-size:18px; margin-bottom:4px; }
.proc-log .pl-sub{ font-size:11.5px; color:var(--muted); margin-bottom:16px; }
.log-step{ display:flex; align-items:flex-start; gap:12px; padding:9px 0; border-bottom:1px solid var(--hair); opacity:.4; transition:.3s; }
.log-step:last-child{ border-bottom:0; }
.log-step.active{ opacity:1; }
.log-step.done{ opacity:1; }
.log-step .ls-ico{ width:26px;height:26px;border-radius:7px;flex:0 0 auto;display:grid;place-items:center; background:var(--paper-2); color:var(--muted); }
.log-step.active .ls-ico{ background:var(--accent); color:#fff; }
.log-step.done .ls-ico{ background:var(--grow); color:#fff; }
.log-step .ls-ico svg{ width:14px;height:14px; }
.log-step .ls-t{ font-size:12.5px; font-weight:700; color:var(--ink); }
.log-step .ls-d{ font-size:11px; color:var(--muted); line-height:1.35; margin-top:2px; }
.log-step .ls-d b{ color:var(--ink-2); font-variant-numeric:tabular-nums; }
.spinner{ width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }

.arch-note{ margin-top:16px; font-size:10.5px; color:#9aa0b8; text-align:center; line-height:1.5; }
.arch-note code{ background:rgba(255,255,255,.08); padding:1px 6px; border-radius:5px; color:#cfe; }

/* ---- Report host ------------------------------------------------------- */
#screen-report{ max-width:none; padding:0; }
#screen-report.on{ display:block; }
.report-toolbar{
  position:sticky; top:56px; z-index:30; display:flex; justify-content:center; gap:12px;
  padding:14px; background:rgba(24,28,44,.9); backdrop-filter:blur(8px);
}
.report-host{ padding:24px 0 60px; }
.report-host .page:first-of-type{ margin-top:0; }

/* warning banner */
.warn-banner{ background:var(--gold-soft); border:1px solid #E4CF92; border-radius:12px; padding:14px 18px; margin-bottom:18px; display:flex; gap:12px; align-items:flex-start; }
.warn-banner svg{ width:20px;height:20px;color:#9A7B25;flex:0 0 auto;margin-top:1px; }
.warn-banner p{ font-size:12.5px; color:var(--ink-2); margin:0; line-height:1.5; }

@media (max-width:860px){
  .role-grid{ grid-template-columns:repeat(2,1fr); }
  .form-grid, .upload-grid, .proc-wrap, .mode-grid, .imu-stage{ grid-template-columns:1fr; }
  .sensor-strip, .imu-stats{ grid-template-columns:repeat(2,1fr); }
  .steps .step .lbl{ display:none; }
}

/* ---- Share / QR modal -------------------------------------------------- */
.share-overlay{ position:fixed; inset:0; z-index:60; background:rgba(16,19,30,.6); backdrop-filter:blur(4px); display:flex; align-items:center; justify-content:center; padding:24px; }
.share-overlay[hidden]{ display:none; }
.share-card{ position:relative; width:560px; max-width:100%; max-height:92vh; overflow:auto; background:var(--paper); border-radius:18px; padding:30px 32px; box-shadow:0 24px 60px rgba(0,0,0,.4); }
.share-close{ position:absolute; top:16px; right:18px; width:32px;height:32px;border-radius:8px;border:0;background:var(--paper-2);color:var(--ink);font-size:15px;cursor:pointer; }
.share-head h2{ font-family:var(--serif); font-size:26px; font-weight:600; margin:7px 0 7px; }
.share-head p{ font-size:13px; color:var(--ink-2); margin:0 0 18px; line-height:1.5; }
.share-steps{ display:flex; flex-direction:column; gap:14px; }
.share-step{ display:grid; grid-template-columns:34px 1fr; gap:14px; align-items:start; }
.share-step .ss-n{ width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px; }
.share-step b{ font-size:14px; color:var(--ink); }
.share-step p{ font-size:12px; color:var(--ink-2); margin:3px 0 9px; line-height:1.45; }
.share-step .sm{ padding:8px 15px; font-size:12.5px; }
.share-input-row{ display:flex; gap:8px; }
.share-input-row input{ flex:1; font:inherit; font-size:13px; padding:10px 12px; border:1.5px solid var(--hair); border-radius:9px; background:var(--card); color:var(--ink); outline:none; }
.share-input-row input:focus{ border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.share-qr{ margin-top:20px; padding-top:18px; border-top:1px solid var(--hair); display:grid; grid-template-columns:auto 1fr; gap:20px; align-items:center; }
.share-qr[hidden]{ display:none; }
.qr-frame{ width:150px;height:150px;border-radius:12px;background:#fff;border:1px solid var(--hair);display:grid;place-items:center;padding:8px; }
.qr-frame img{ width:100%;height:100%;object-fit:contain; }
.qr-side .qr-cap{ font-family:var(--serif); font-size:16px; color:var(--ink); margin-bottom:9px; }
.qr-side .qr-link{ display:inline-block; font-size:12.5px; font-weight:700; color:var(--accent-deep); text-decoration:none; margin-bottom:10px; word-break:break-all; }
.qr-side .sm{ padding:7px 14px; font-size:12px; }
.qr-side .qr-note{ font-size:10.5px; color:var(--muted); margin:10px 0 0; line-height:1.45; }

@media print{
  .studio-top, .report-toolbar, .screen-head, #screen-intake, #screen-mode, #screen-upload, #screen-imu, #screen-process, .share-overlay{ display:none !important; }
  body.studio{ background:#fff; }
  #screen-report{ padding:0; }
  .report-host{ padding:0; }
  .warn-banner{ display:none; }
}

/* =========================================================================
   Vahini site integration - beige theme override (re-applied after Studio swap)
   ========================================================================= */
html{ background:var(--paper-2); }
body.studio{ background:var(--paper-2); }
.studio-top{ background:rgba(251,246,236,.92); color:var(--ink); box-shadow:0 1px 0 var(--paper-edge), 0 6px 20px rgba(120,100,70,.06); }
.studio-top .st-brand small{ color:var(--ink-3); }
.studio-top .st-reset{ background:var(--paper-2); color:var(--ink-2); border:1px solid var(--paper-edge); }
.studio-top .st-reset:hover{ background:var(--paper-edge); }
.steps .step{ color:var(--ink-3); }
.steps .step.on{ color:var(--ink); }
.steps .step .dot{ background:var(--paper-2); color:var(--ink-3); border:1px solid var(--paper-edge); }
.steps .step.on .dot{ background:var(--accent); color:#fff; border-color:var(--accent); }
.steps .step.done .dot{ background:var(--grow); color:#fff; border-color:var(--grow); }
.steps .sep{ background:var(--paper-edge); }
.steps .sep.done{ background:var(--grow); }
.screen-head h1{ color:var(--ink); }
.screen-head p{ color:var(--ink-2); }
.panel{ border:1px solid var(--paper-edge); box-shadow:0 10px 30px rgba(120,100,70,.10); }
.mode-card.pen{ background:linear-gradient(160deg, var(--paper), var(--paper-2)); border-color:var(--accent); color:var(--ink); }
.mode-card.pen .mode-ico{ background:var(--accent); color:#fff; }
.mode-card.pen h3{ color:var(--ink); }
.mode-card.pen p{ color:var(--ink-2); }
.mode-card.pen .mode-feat li{ color:var(--ink-2); }
.mode-card.pen .mode-feat li b{ color:var(--accent-deep); }
.mode-card.pen .mode-pick{ color:var(--accent-deep); }
.btn-ghost{ color:var(--ink-2); border:1.5px solid var(--hair); }
.btn-ghost:hover{ background:var(--paper-2); }
.report-toolbar{ background:rgba(251,246,236,.92); box-shadow:0 1px 0 var(--paper-edge); }
.arch-note{ color:var(--muted); }
.arch-note code{ background:var(--paper-2); color:var(--accent-deep); }

/* ---- Phone layout: compress the sticky header so it never overflows, and
   keep report media within the viewport. ------------------------------- */
@media (max-width:560px){
  .studio-top{ padding:9px 12px; gap:8px; }
  .studio-top .st-brand{ font-size:13px; gap:7px; }
  .studio-top .st-brand img{ width:22px; height:22px; }
  .studio-top .st-brand small{ display:none; }
  .steps{ gap:0; }
  .steps .step{ gap:0; }
  .steps .sep{ width:12px; margin:0 4px; }
  .steps .step .dot{ width:20px; height:20px; font-size:10px; }
  .studio-top .st-reset{ padding:6px 10px; font-size:11px; }
  /* never let report images / canvases / tables push a horizontal scrollbar */
  #report-host img, #report-host canvas, #report-host svg, #report-host table,
  .report-host img, .report-host canvas { max-width:100%; height:auto; }
  .wrap, .screen, .panel{ max-width:100%; }
}
@media (max-width:380px){
  .steps .step:not(.on) .lbl{ display:none; }
  .studio-top{ gap:6px; padding:8px 10px; }
}