:root{color-scheme:dark;}
  /* =====================================================
     LUMIS — PHOTONIC SOLAR OBSIDIAN DESIGN SYSTEM v3.0
     Ground-up. Single source of truth. No legacy.
     ===================================================== */

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  html, body {
    background: #08090D;
    color: #F8FAFC;
    font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
  }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 5px; }
  ::-webkit-scrollbar-track { background: #0d0f14; }
  ::-webkit-scrollbar-thumb { background: rgba(245,158,11,0.35); border-radius: 3px; }

  /* ── HEADER ────────────────────────────────────── */
  .lm-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(8,9,13,0.90);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }

  /* ── SMOKED GLASS CARD ─────────────────────────── */
  .lm-card {
    background: rgba(14,16,22,0.88);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    border: 1px solid rgba(255,255,255,0.09);
    box-shadow: 0 8px 40px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.06);
    border-radius: 1rem;
    color: #F8FAFC;
  }

  /* ── BUTTONS ────────────────────────────────────── */
  .lm-btn-gold {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 60%, #D97706 100%);
    color: #08090D; font-weight: 900;
    border-radius: 0.875rem; border: 1px solid rgba(255,255,255,0.18);
    box-shadow: 0 4px 20px rgba(245,158,11,0.45);
    cursor: pointer; transition: transform 0.15s, box-shadow 0.15s;
    text-decoration: none;
  }
  .lm-btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,158,11,0.65); }

  .lm-btn-ghost {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(18,20,30,0.80); color: #CBD5E1; font-weight: 700;
    border-radius: 0.875rem; border: 1px solid rgba(255,255,255,0.10);
    backdrop-filter: blur(12px); cursor: pointer;
    transition: background 0.15s, border-color 0.15s; text-decoration: none;
  }
  .lm-btn-ghost:hover { background: rgba(30,34,48,0.95); border-color: rgba(245,158,11,0.30); color: #F8FAFC; }

  /* ── INPUTS ─────────────────────────────────────── */
  .lm-input, .glass-input {
    background: rgba(10,11,16,0.95) !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
    color: #F8FAFC !important; border-radius: 0.75rem;
    padding: 0.625rem 0.875rem; font-size: 0.875rem;
    transition: border-color 0.15s, box-shadow 0.15s; width: 100%;
  }
  .lm-input::placeholder, .glass-input::placeholder { color: #475569; }
  .lm-input:focus, .glass-input:focus {
    outline: none; border-color: #F59E0B !important;
    box-shadow: 0 0 0 3px rgba(245,158,11,0.15) !important;
  }

  /* Backward-compat aliases */
  .glass-panel {
    background: rgba(14,16,22,0.88) !important; backdrop-filter: blur(24px) !important;
    border: 1px solid rgba(255,255,255,0.09) !important; color: #F8FAFC !important;
    box-shadow: 0 8px 40px rgba(0,0,0,0.7) !important;
  }
  .glass-card {
    background: rgba(14,16,22,0.80) !important; backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(255,255,255,0.08) !important; color: #F8FAFC !important;
  }
  .btn-solar, .btn-gold {
    background: linear-gradient(135deg,#FBBF24 0%,#F59E0B 60%,#D97706 100%) !important;
    color: #08090D !important; font-weight: 900 !important;
    box-shadow: 0 4px 20px rgba(245,158,11,0.45) !important;
  }
  .btn-ocean { background: linear-gradient(135deg,#0ea5e9,#06b6d4) !important; color:#fff !important; font-weight:800 !important; }

  /* Spinner */
  .btn-spinner { display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,0.2);border-top-color:#fff;border-radius:50%;animation:spin 0.6s linear infinite; }
  @keyframes spin { to { transform:rotate(360deg); } }

  /* Toast */
  #toast-container { position:fixed;bottom:1.5rem;right:1.5rem;z-index:9999;display:flex;flex-direction:column;gap:0.5rem;pointer-events:none; }
  .toast { pointer-events:auto;padding:0.75rem 1.25rem;border-radius:0.75rem;font-size:0.8125rem;font-weight:600;color:#e2e8f0;background:rgba(15,23,42,0.95);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,0.1);box-shadow:0 8px 24px rgba(0,0,0,0.5);animation:toastIn 0.3s ease-out,toastOut 0.3s ease-in forwards;animation-delay:0s,var(--toast-duration,3s);display:flex;align-items:center;gap:0.5rem;max-width:380px; }
  .toast.success { border-color:rgba(45,212,191,0.4); }
  .toast.success::before { content:'✅'; }
  .toast.error { border-color:rgba(244,63,94,0.4); }
  .toast.error::before { content:'❌'; }
  .toast.info { border-color:rgba(56,189,248,0.4); }
  .toast.info::before { content:'ℹ️'; }
  @keyframes toastIn { from{opacity:0;transform:translateY(1rem) scale(0.95)}to{opacity:1;transform:none} }
  @keyframes toastOut { from{opacity:1}to{opacity:0;transform:translateY(-0.5rem)} }

  /* Reveal */
  .reveal { opacity:0;transform:translateY(24px);transition:opacity 0.6s,transform 0.6s; }
  .reveal.visible { opacity:1;transform:none; }

  /* Nongoal tags */
  .nongoal-tag.active { background:rgba(239,68,68,0.15)!important;color:#fca5a5!important;border-color:rgba(239,68,68,0.4)!important; }

  /* Studio tabs */
  .studio-tab-btn { transition:all 0.2s; }
  .studio-tab-btn.active { background:rgba(245,158,11,0.15)!important;color:#fbbf24!important;border-color:rgba(245,158,11,0.35)!important; }

  /* Mermaid */
  .mermaid { background:transparent!important; }

  /* Landing wrapper */
  #view-landing { background:#08090D; color:#F8FAFC; }

  /* Animations */
  @keyframes beamPulse { 0%,100%{opacity:0.85} 50%{opacity:1} }
  @keyframes twinkle   { 0%,100%{opacity:0.15} 50%{opacity:0.65} }

  /* ── MOBILE DRAWER ───────────────────────────────────────────── */
  #mobile-drawer-overlay {
    display: none; position: fixed; inset: 0; z-index: 998;
    background: rgba(0,0,0,0.65); backdrop-filter: blur(4px);
  }
  #mobile-drawer-overlay.open { display: block; }
  #mobile-drawer {
    display: none; position: fixed; top: 0; right: 0; bottom: 0;
    width: min(320px, 85vw); z-index: 999;
    background: rgba(10,11,16,0.97);
    border-left: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(32px);
    padding: 1.25rem 1rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(0.4,0,0.2,1);
  }
  #mobile-drawer.open { display: block; transform: translateX(0); }
  #mobile-drawer-nav button {
    width: 100%; text-align: left; padding: .625rem .875rem;
    border-radius: .625rem; color: #94A3B8; font-size: .875rem;
    background: none; border: none; cursor: pointer;
    transition: background .15s, color .15s;
    display: flex; align-items: center; gap: .5rem;
  }
  #mobile-drawer-nav button:hover {
    background: rgba(245,158,11,0.08); color: #F8FAFC;
  }

  /* ── PROFILE DROPDOWN ────────────────────────────────────────── */
  #profile-dropdown {
    display: none; position: absolute; top: calc(100% + 8px); right: 0;
    width: 220px; z-index: 200;
    background: rgba(10,11,16,0.97);
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 1rem; padding: .875rem 1rem;
    backdrop-filter: blur(32px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.7);
  }
  #profile-dropdown.open { display: block; }





/* ── SOLAR FLOOR: the beam lands on a warm daylight plane (below-the-fold) ── */
.solar-floor{position:relative;color:#1C140A;
  background:linear-gradient(180deg,#08090D 0%,#1F1303 6%,#6B4712 13%,#C9A15A 21%,#E9D7AE 30%,#F2E7CF 42%,#F6EEDC 100%);}
.solar-floor::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 34% 26% at 50% 4%,rgba(255,232,170,.95) 0%,rgba(252,211,77,.55) 35%,rgba(245,158,11,.18) 65%,transparent 100%);filter:blur(18px);}
.solar-floor::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(120,80,10,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(120,80,10,.08) 1px,transparent 1px);background-size:64px 64px;
  mask-image:linear-gradient(180deg,transparent 0%,#000 25%,#000 100%);-webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 25%,#000 100%);}
.solar-floor > *{position:relative;z-index:1;}
.sf-card{background:rgba(255,255,255,.46);border:1px solid rgba(255,255,255,.8);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  border-radius:1.25rem;box-shadow:0 10px 34px rgba(120,80,10,.12),inset 0 1px 0 rgba(255,255,255,.9);}
.sf-card--hot{background:rgba(255,249,235,.82);border-color:rgba(245,158,11,.55);box-shadow:0 14px 40px rgba(245,158,11,.22),inset 0 1px 0 #fff;}
.sf-card--dark{background:rgba(14,16,22,.92);border:1px solid rgba(255,255,255,.08);color:#F8FAFC;box-shadow:0 20px 60px rgba(60,35,0,.35);}
.sf-eyebrow{display:inline-block;padding:.25rem 1rem;border-radius:9999px;background:rgba(245,158,11,.14);border:1px solid rgba(217,119,6,.35);font-size:.68rem;font-weight:800;letter-spacing:.10em;color:#9A5B06;text-transform:uppercase;}
.sf-h2{font-size:clamp(1.5rem,4vw,2.25rem);font-weight:900;color:#1C140A;letter-spacing:-.01em;line-height:1.15;}
.sf-h3{font-size:1.125rem;font-weight:900;color:#1C140A;}
.sf-muted{color:#6B5734;font-size:.875rem;}
.sf-note{color:#8A7350;font-size:.75rem;}
.sf-btn-gold{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.5rem;border-radius:.875rem;border:1px solid rgba(255,255,255,.35);
  background:linear-gradient(135deg,#FBBF24 0%,#F59E0B 60%,#D97706 100%);color:#08090D;font-weight:900;font-size:.9rem;cursor:pointer;box-shadow:0 6px 22px rgba(245,158,11,.35);transition:transform .15s,box-shadow .15s;}
.sf-btn-gold:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(245,158,11,.45);}
.sf-btn-dark{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.5rem;border-radius:.875rem;border:1px solid rgba(28,20,10,.12);background:#1C140A;color:#F8FAFC;font-weight:800;font-size:.9rem;cursor:pointer;transition:background .15s;}
.sf-btn-dark:hover{background:#2B1F10;}
.sf-btn-ghost{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.5rem;border-radius:.875rem;border:1px solid rgba(28,20,10,.18);background:rgba(255,255,255,.5);color:#1C140A;font-weight:800;font-size:.9rem;cursor:pointer;}
.sf-preset{display:flex;align-items:center;gap:.875rem;text-align:left;padding:1.1rem 1.25rem;cursor:pointer;transition:transform .15s,box-shadow .15s;color:#1C140A;}
.sf-preset:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(120,80,10,.18);}
.sf-range{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:9999px;background:linear-gradient(90deg,#F59E0B var(--pct,50%),rgba(28,20,10,.14) var(--pct,50%));outline:none;}
.sf-range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid #F59E0B;box-shadow:0 2px 10px rgba(120,80,10,.35);cursor:pointer;}
.sf-range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid #F59E0B;box-shadow:0 2px 10px rgba(120,80,10,.35);cursor:pointer;}
.sf-ide{display:flex;flex-direction:column;align-items:center;gap:.45rem;text-align:center;}
.sf-ide__tile{width:64px;height:64px;border-radius:1rem;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.9);box-shadow:0 6px 18px rgba(120,80,10,.14);font-family:ui-monospace,Consolas,monospace;font-weight:900;font-size:.95rem;color:#1C140A;letter-spacing:-.02em;}
.sf-ide__label{font-size:.72rem;font-weight:700;color:#5B4A2E;}
@media (prefers-reduced-motion:reduce){.sf-preset,.sf-btn-gold{transition:none;}}


/* ── STUDIO (Photonic Obsidian workspace) ─────────────────────────────────── */
.st-banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem;padding:.9rem 1.1rem;border-radius:1.25rem;
  background:linear-gradient(90deg,rgba(245,158,11,.10),rgba(14,16,22,.92) 45%,rgba(14,16,22,.92));border:1px solid rgba(245,158,11,.25);}
.st-banner__icon{width:36px;height:36px;border-radius:.9rem;display:flex;align-items:center;justify-content:center;background:rgba(245,158,11,.14);color:#FCD34D;border:1px solid rgba(245,158,11,.3);flex-shrink:0;}
.st-chip{display:inline-flex;align-items:center;padding:.2rem .6rem;border-radius:9999px;font-size:.62rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;font-family:ui-monospace,Consolas,monospace;}
.st-chip--amber{background:rgba(245,158,11,.16);color:#FCD34D;border:1px solid rgba(245,158,11,.35);}
.st-chip--green{background:rgba(52,211,153,.14);color:#6EE7B7;border:1px solid rgba(52,211,153,.35);}
.st-kicker{display:inline-flex;align-items:center;gap:.35rem;font-size:.66rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:#94A3B8;font-family:ui-monospace,Consolas,monospace;}
.st-mono{font-family:ui-monospace,Consolas,monospace;font-size:.66rem;color:#64748B;font-weight:700;}
.st-mono--amber{color:#FCD34D;padding:.2rem .55rem;border-radius:.5rem;background:rgba(245,158,11,.10);border:1px solid rgba(245,158,11,.25);}
.st-note{font-size:.68rem;color:#64748B;}
.st-label{display:block;font-size:.68rem;font-weight:700;color:#94A3B8;margin-bottom:.35rem;}
.st-label--rose{color:#FCA5A5;display:inline-flex;align-items:center;gap:.3rem;margin:0;}
.st-dot{width:8px;height:8px;border-radius:50%;background:#F59E0B;box-shadow:0 0 12px rgba(245,158,11,.9);}
.st-input{width:100%;background:rgba(8,9,13,.9)!important;border:1px solid rgba(255,255,255,.10)!important;color:#F8FAFC!important;border-radius:.8rem;padding:.7rem .9rem;font-size:.875rem;transition:border-color .15s,box-shadow .15s;}
.st-input::placeholder{color:#475569;}
.st-input:focus{outline:none;border-color:#F59E0B!important;box-shadow:0 0 0 3px rgba(245,158,11,.18)!important;}
.st-input--idea{resize:vertical;min-height:64px;}
.st-tool{display:inline-flex;align-items:center;gap:.35rem;padding:.35rem .7rem;border-radius:.6rem;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:#CBD5E1;font-size:.7rem;font-weight:700;cursor:pointer;transition:background .15s,border-color .15s,color .15s;white-space:nowrap;}
.st-tool:hover{background:rgba(245,158,11,.10);border-color:rgba(245,158,11,.3);color:#FCD34D;}
.st-tool--amber{background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.3);color:#FCD34D;}
.st-link{display:inline-flex;align-items:center;gap:.3rem;font-size:.66rem;font-weight:800;color:#FCD34D;background:none;border:0;padding:0;cursor:pointer;}
.st-link:hover{color:#FDE68A;}

/* deck */
.st-deck{background:rgba(14,16,22,.9);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.09);border-radius:1.5rem;padding:1.1rem 1.25rem;box-shadow:0 8px 40px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.04);position:relative;overflow:hidden;}
.st-deck::before{content:"";position:absolute;top:-140px;left:50%;transform:translateX(-50%);width:520px;height:260px;pointer-events:none;background:radial-gradient(ellipse 50% 50% at 50% 50%,rgba(245,158,11,.22) 0%,transparent 70%);filter:blur(20px);}
.st-deck > *{position:relative;}
.st-deck__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.9rem;}
.st-deck__row{display:grid;grid-template-columns:minmax(180px,1fr) minmax(280px,2.6fr) minmax(220px,1fr);gap:.9rem;align-items:end;}
@media (max-width:1023px){.st-deck__row{grid-template-columns:1fr;}}
.st-field--launch{display:flex;flex-direction:column;gap:.4rem;}
.st-launch{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.2rem;border-radius:.9rem;border:1px solid rgba(255,255,255,.2);
  background:linear-gradient(135deg,#FBBF24 0%,#F59E0B 60%,#D97706 100%);color:#08090D;font-weight:900;font-size:.9rem;cursor:pointer;box-shadow:0 6px 24px rgba(245,158,11,.45);transition:transform .15s,box-shadow .15s;}
.st-launch:hover{transform:translateY(-1px);box-shadow:0 10px 30px rgba(245,158,11,.55);}
.st-launch:disabled{opacity:.7;cursor:default;transform:none;}
.st-deck__meta{display:grid;grid-template-columns:1.4fr 1fr;gap:.9rem;margin-top:.9rem;}
@media (max-width:1023px){.st-deck__meta{grid-template-columns:1fr;}}
.st-nongoals{padding:.7rem .85rem;border-radius:.9rem;background:rgba(239,68,68,.05);border:1px solid rgba(239,68,68,.18);}
.st-radar{display:grid;grid-template-columns:repeat(2,1fr);gap:.4rem;}
.st-radar__pill{padding:.5rem .7rem;border-radius:.7rem;background:rgba(8,9,13,.7);border:1px solid rgba(255,255,255,.06);}
.st-radar__k{display:block;font-size:.6rem;color:#64748B;font-weight:700;}
.st-radar__v{display:block;font-size:.72rem;font-weight:800;font-family:ui-monospace,Consolas,monospace;margin-top:.1rem;}
.st-deck__foot{display:grid;grid-template-columns:1.4fr 1fr;gap:.9rem;margin-top:.9rem;align-items:start;}
@media (max-width:1023px){.st-deck__foot{grid-template-columns:1fr;}}
.st-dropzone{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.6rem .8rem;border-radius:.8rem;border:1px dashed rgba(255,255,255,.14);background:rgba(8,9,13,.5);cursor:pointer;transition:border-color .15s,background .15s;}
.st-dropzone:hover{border-color:rgba(245,158,11,.5);background:rgba(245,158,11,.05);}
.st-dropzone__icon{width:28px;height:28px;border-radius:.6rem;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:#FCD34D;}
.st-attached{display:flex;align-items:center;justify-content:space-between;padding:.5rem .7rem;border-radius:.8rem;background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.3);font-size:.75rem;margin-top:.4rem;}
.st-advanced{border-radius:.9rem;border:1px solid rgba(255,255,255,.06);background:rgba(8,9,13,.45);padding:.6rem .8rem;font-size:.75rem;}
.st-advanced__summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:700;color:#CBD5E1;list-style:none;}
.st-advanced__summary::-webkit-details-marker{display:none;}
.st-advanced__body{display:flex;flex-direction:column;gap:.7rem;padding-top:.7rem;margin-top:.6rem;border-top:1px solid rgba(255,255,255,.06);}

/* pipeline */
.st-pipeline{display:grid;grid-template-columns:auto 1fr auto;gap:1rem;align-items:center;padding:.8rem 1.1rem;border-radius:1.25rem;background:rgba(14,16,22,.85);border:1px solid rgba(255,255,255,.08);}
@media (max-width:1023px){.st-pipeline{grid-template-columns:1fr;}}
.st-pipeline__status{display:flex;align-items:center;gap:.5rem;min-width:160px;}
.st-pipeline__nodes{display:flex;align-items:center;gap:.4rem;}
.st-agent{flex:1;min-width:0;padding:.55rem .7rem;border-radius:.85rem;background:rgba(8,9,13,.7);border:1px solid rgba(255,255,255,.07);transition:border-color .2s,box-shadow .2s,background .2s;}
.st-agent.ring-2{border-color:rgba(245,158,11,.6);background:rgba(245,158,11,.08);box-shadow:0 0 22px rgba(245,158,11,.25);}
.st-agent__top{display:flex;align-items:center;justify-content:space-between;font-size:.75rem;margin-bottom:.2rem;}
.st-agent__name{font-size:.7rem;font-weight:900;color:#F8FAFC;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.st-agent__text{font-size:.62rem;color:#64748B;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.st-agent__link{width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(245,158,11,.15),rgba(245,158,11,.5));flex-shrink:0;}
@media (max-width:767px){.st-pipeline__nodes{flex-wrap:wrap;}.st-agent{flex:1 1 45%;}.st-agent__link{display:none;}}
.st-pipeline__right{display:flex;flex-direction:column;align-items:flex-end;gap:.4rem;}
.st-steps{display:flex;flex-wrap:wrap;gap:.3rem;justify-content:flex-end;}
.step-node{font-size:.6rem;font-weight:800;padding:.2rem .5rem;border-radius:.45rem;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);color:#64748B;transition:all .2s;white-space:nowrap;}
.step-node.is-done{background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.35);color:#6EE7B7;}
.step-node.is-current{background:rgba(245,158,11,.16);border-color:rgba(245,158,11,.5);color:#FCD34D;box-shadow:0 0 14px rgba(245,158,11,.25);}

/* workspace */
.st-workspace{background:rgba(14,16,22,.9);backdrop-filter:blur(24px);border:1px solid rgba(245,158,11,.3);border-radius:1.5rem;padding:1.1rem 1.25rem;box-shadow:0 8px 40px rgba(0,0,0,.6),0 0 60px rgba(245,158,11,.06);}
.st-workspace__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem;padding-bottom:.9rem;margin-bottom:.9rem;border-bottom:1px solid rgba(255,255,255,.08);}
.st-workspace__ok{width:38px;height:38px;border-radius:.9rem;display:flex;align-items:center;justify-content:center;background:rgba(52,211,153,.14);color:#6EE7B7;border:1px solid rgba(52,211,153,.3);}
.st-workspace__grid{display:grid;grid-template-columns:220px minmax(0,1fr) 250px;gap:1rem;}
@media (max-width:1279px){.st-workspace__grid{grid-template-columns:200px minmax(0,1fr);}.st-shield{grid-column:1 / -1;}}
@media (max-width:767px){.st-workspace__grid{grid-template-columns:1fr;}}
.st-tree{display:flex;flex-direction:column;gap:.25rem;padding:.75rem;border-radius:1rem;background:rgba(8,9,13,.6);border:1px solid rgba(255,255,255,.06);}
.st-tree .studio-tab-btn{display:flex;align-items:center;gap:.5rem;width:100%;text-align:left;padding:.45rem .6rem;border-radius:.6rem;border:1px solid transparent;background:transparent;color:#94A3B8;font-size:.72rem;font-weight:700;font-family:ui-monospace,Consolas,monospace;cursor:pointer;}
.st-tree .studio-tab-btn:hover{background:rgba(255,255,255,.04);color:#E2E8F0;}
.st-tree .studio-tab-btn.active{background:rgba(245,158,11,.14)!important;border-color:rgba(245,158,11,.35)!important;color:#FCD34D!important;}
.st-tree__sep{height:1px;background:rgba(255,255,255,.07);margin:.35rem 0;}
.st-quick{margin-top:auto;padding-top:.75rem;border-top:1px solid rgba(255,255,255,.07);display:flex;flex-direction:column;gap:.5rem;}
.st-quick__step{display:flex;flex-direction:column;gap:.15rem;font-size:.68rem;color:#CBD5E1;font-weight:700;}
.st-quick__n{font-size:.58rem;color:#F59E0B;font-weight:900;letter-spacing:.1em;}
.st-editor{display:flex;flex-direction:column;gap:.6rem;min-width:0;}
.st-editor__bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;padding:.5rem .7rem;border-radius:.8rem;background:rgba(8,9,13,.6);border:1px solid rgba(255,255,255,.06);}
.st-editor__bar--sub{background:rgba(245,158,11,.05);border-color:rgba(245,158,11,.18);}
.st-editor__file{display:inline-flex;align-items:center;gap:.4rem;font-family:ui-monospace,Consolas,monospace;font-size:.72rem;font-weight:800;color:#F8FAFC;}
.st-editor__content{min-height:320px;max-height:520px;overflow-y:auto;padding:1rem 1.1rem;border-radius:1rem;background:rgba(8,9,13,.85);border:1px solid rgba(255,255,255,.06);font-family:ui-monospace,Consolas,monospace;font-size:.75rem;line-height:1.6;color:#CBD5E1;white-space:pre-wrap;}
.st-editor__textarea{width:100%;padding:1rem;border-radius:1rem;background:#08090D;border:1px solid rgba(245,158,11,.4);font-family:ui-monospace,Consolas,monospace;font-size:.75rem;color:#E2E8F0;outline:none;}
.st-frame{display:flex;justify-content:center;width:100%;background:rgba(8,9,13,.7);padding:.5rem;border-radius:1rem;border:1px solid rgba(255,255,255,.06);overflow:hidden;}
.st-copilot{padding:.75rem .85rem;border-radius:1rem;background:rgba(8,9,13,.6);border:1px solid rgba(245,158,11,.18);}
.st-shield{display:flex;flex-direction:column;padding:.85rem;border-radius:1rem;background:linear-gradient(180deg,rgba(245,158,11,.08),rgba(8,9,13,.6) 40%);border:1px solid rgba(245,158,11,.25);}
.st-shield__stats{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:.75rem;}
.st-shield__num{font-size:1.4rem;font-weight:900;color:#FFFFFF;line-height:1.1;}
.st-shield__num--mono{font-family:ui-monospace,Consolas,monospace;font-size:.8rem;color:#FCD34D;word-break:break-all;}
.st-checklist{padding:.6rem .7rem;border-radius:.8rem;background:rgba(8,9,13,.6);border:1px solid rgba(255,255,255,.06);}
.st-actions{display:flex;flex-direction:column;gap:.3rem;}
.st-action{display:flex;align-items:center;gap:.5rem;width:100%;text-align:left;padding:.5rem .65rem;border-radius:.65rem;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.07);color:#CBD5E1;font-size:.72rem;font-weight:700;cursor:pointer;transition:background .15s,border-color .15s,color .15s;}
.st-action:hover{background:rgba(245,158,11,.10);border-color:rgba(245,158,11,.3);color:#FCD34D;}
.st-action--amber{background:rgba(245,158,11,.14);border-color:rgba(245,158,11,.4);color:#FCD34D;}

/* live stream */
.st-live{background:rgba(14,16,22,.85);border:1px solid rgba(255,255,255,.08);border-radius:1.25rem;padding:.9rem 1.1rem;}
.st-live__head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.6rem;}
.st-segment{display:inline-flex;gap:.2rem;padding:.2rem;border-radius:.6rem;background:rgba(8,9,13,.8);border:1px solid rgba(255,255,255,.06);}
.st-segment__btn{padding:.25rem .6rem;border-radius:.45rem;border:0;background:transparent;color:#64748B;font-size:.66rem;font-weight:800;cursor:pointer;}
.st-segment__btn.active{background:rgba(245,158,11,.16);color:#FCD34D;}
.st-stream{min-height:220px;max-height:460px;overflow-y:auto;display:flex;flex-direction:column;gap:.6rem;padding:.75rem;border-radius:1rem;background:rgba(8,9,13,.75);border:1px solid rgba(255,255,255,.05);}
.st-stream--raw{font-family:ui-monospace,Consolas,monospace;font-size:.7rem;}


/* ── MOBILE: tighten the hero tail and the floor head ── */
@media (max-width:640px){
  .hero-proof{padding-bottom:2rem!important;}
  .solar-floor{padding-top:3.5rem!important;}
  .st-deck__row{gap:.7rem;}
}

/* floor legibility: headings sit on the brightest part of the beam */
.sf-h2,.sf-h3{text-shadow:0 1px 0 rgba(255,255,255,.45),0 0 18px rgba(255,255,255,.35);}
@media (max-width:640px){.solar-floor::before{opacity:.55;} .solar-floor{padding-left:1rem!important;padding-right:1rem!important;}}

/* header on narrow screens: brand chips + subtitle hidden so the toolbar never overflows */
@media (max-width:640px){.hdr-chip,.hdr-sub{display:none!important;} #btn-switch-to-app{padding-left:.6rem!important;padding-right:.6rem!important;}}