/* ══════════════════════════════════════════════════════════════
   GOLDEN — Full Journey Prototype
   Reskinned onto the GOLDEN Design System.
   Layers on top of css/main.css + css/card-ink.css (DS tokens
   & components: .btn .badge .chip .alert .avatar .input .card).
   Everything here is prototype-specific: the demo chrome (a
   recessive foliage frame) and per-screen product layout.
   Product surfaces stay LIGHT (off-white / linen); rich color
   is reserved for cover moments & the dashboard hero.
═══════════════════════════════════════════════════════════════ */

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

:root{
  --chrome-h:46px;
  --nav-h:60px;
  --demo-h:60px;
  /* convenience aliases mapped to DS tokens */
  --ink:var(--ui-text-primary);
  --ink-2:var(--ui-text-secondary);
  --ink-3:var(--ui-text-tertiary);
  --line:var(--ui-border-primary);
  --line-2:var(--ui-border-secondary);
  --paper:var(--color-white);
  --section:var(--ui-bg-section-primary);
}

html,body{height:100%}
body{
  font-family:var(--font-body);
  background:var(--color-foliage);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow:hidden;height:100vh;
}

/* Lucide icons inherit currentColor, 1.5 stroke */
[data-lucide]{width:18px;height:18px;stroke-width:1.5;vertical-align:middle}
.i-14{width:14px;height:14px}
.i-16{width:16px;height:16px}
.i-20{width:20px;height:20px}
.i-22{width:22px;height:22px}
.i-28{width:28px;height:28px}

/* ─────────────────────────────────────────────
   TOP CHROME  (foliage frame)
───────────────────────────────────────────── */
#chrome{
  position:fixed;top:0;left:0;right:0;height:var(--chrome-h);
  background:var(--color-foliage);z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;gap:14px;border-bottom:1px solid rgba(163,233,108,0.14);
}
.chrome-left{display:flex;align-items:center;gap:14px}
.chrome-logo{height:18px;display:block}
.chrome-logo img{height:18px;display:block}
.chrome-divider{width:1px;height:20px;background:rgba(255,255,255,0.14)}
.chrome-label{
  font-family:var(--font-mono);font-size:10px;font-weight:500;
  letter-spacing:0.16em;text-transform:uppercase;color:rgba(215,241,195,0.5);
}
.mode-switch{display:flex;gap:2px;background:rgba(0,0,0,0.22);padding:3px;border-radius:9999px}
.mode-btn{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:0.1em;text-transform:uppercase;padding:5px 14px;
  border:none;background:transparent;color:rgba(215,241,195,0.55);
  cursor:pointer;transition:all .15s;border-radius:9999px;
}
.mode-btn:hover{color:var(--color-green)}
.mode-btn.active{background:var(--color-green);color:var(--color-foliage)}
.chrome-right{display:flex;align-items:center;gap:12px}
.eng-toggle{
  display:flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:0.08em;text-transform:uppercase;padding:6px 13px;
  border:1px solid rgba(255,197,99,0.4);background:transparent;
  color:var(--color-mustard);cursor:pointer;transition:all .15s;border-radius:9999px;
}
.eng-toggle:hover{border-color:var(--color-mustard)}
.eng-toggle.on{background:var(--color-mustard);color:#3a2700;border-color:var(--color-mustard)}
.screen-counter{
  font-family:var(--font-mono);font-size:11px;letter-spacing:0.04em;
  color:rgba(215,241,195,0.45);white-space:nowrap;min-width:150px;text-align:right;
}

/* ─────────────────────────────────────────────
   LAYOUT
───────────────────────────────────────────── */
#layout{position:fixed;top:var(--chrome-h);left:0;right:0;bottom:0;display:flex}

/* EXPLORER SIDEBAR */
#sidebar{
  width:248px;flex-shrink:0;background:#072608;
  border-right:1px solid rgba(163,233,108,0.12);overflow-y:auto;
  display:none;flex-direction:column;padding-bottom:24px;
}
#sidebar.open{display:flex}
.sb-section{padding:16px 0 4px}
.sb-section-label{
  font-family:var(--font-mono);font-size:10px;font-weight:500;
  letter-spacing:0.16em;text-transform:uppercase;color:rgba(215,241,195,0.38);
  padding:0 18px 8px;
}
.sb-item{
  display:flex;align-items:center;gap:11px;padding:9px 18px;cursor:pointer;
  transition:all .12s;border-left:2px solid transparent;
  font-size:13.5px;color:rgba(237,255,222,0.62);font-family:var(--font-body);
}
.sb-item:hover{background:rgba(163,233,108,0.07);color:var(--color-green-60)}
.sb-item.active{background:rgba(163,233,108,0.12);color:var(--color-green);border-left-color:var(--color-green);font-weight:500}
.sb-item [data-lucide]{width:16px;height:16px;flex-shrink:0;opacity:.85}
.sb-badge{
  margin-left:auto;font-family:var(--font-mono);font-size:9px;font-weight:500;
  letter-spacing:0.08em;text-transform:uppercase;padding:2px 7px;border-radius:9999px;
}
.badge-api{background:rgba(255,197,99,0.16);color:var(--color-mustard)}
.badge-senior{background:rgba(141,229,205,0.16);color:var(--color-mint)}
.badge-auth{background:rgba(197,152,252,0.18);color:var(--color-violet)}

/* SCREEN VIEWPORT */
#viewport{flex:1;position:relative;overflow:hidden;background:var(--section)}
.screen{position:absolute;inset:0;display:none;flex-direction:column;overflow:hidden;background:var(--section)}
.screen.active{display:flex}

/* ─────────────────────────────────────────────
   DEMO NAV (bottom, foliage)
───────────────────────────────────────────── */
#demo-nav{
  position:fixed;bottom:0;left:0;right:0;height:var(--demo-h);
  background:var(--color-foliage);border-top:1px solid rgba(163,233,108,0.14);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;z-index:999;
}
#demo-nav.hidden{display:none}
.demo-back{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-body);font-size:13px;font-weight:400;
  background:transparent;border:1px solid rgba(255,255,255,0.18);
  color:rgba(215,241,195,0.7);padding:9px 18px;cursor:pointer;
  transition:all .15s;border-radius:9999px;
}
.demo-back:hover{border-color:var(--color-green);color:var(--color-green)}
.demo-progress{display:flex;gap:5px;align-items:center}
.demo-dot{width:6px;height:6px;border-radius:9999px;background:rgba(215,241,195,0.2);transition:all .2s}
.demo-dot.done{background:rgba(163,233,108,0.45)}
.demo-dot.active{background:var(--color-green);width:20px}
.demo-next{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-body);font-size:13px;font-weight:500;
  background:var(--color-green);border:none;color:var(--color-foliage);
  padding:10px 22px;cursor:pointer;transition:all .15s;border-radius:9999px;
}
.demo-next:hover{background:var(--color-green-200)}
.demo-next-label{font-family:var(--font-mono);font-size:10px;letter-spacing:0.06em;
  text-transform:uppercase;color:rgba(10,53,13,0.55);margin-left:2px}

/* ─────────────────────────────────────────────
   PRODUCT SHELL — light top nav
───────────────────────────────────────────── */
.app-nav{
  height:var(--nav-h);background:rgba(254,253,249,0.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);display:flex;align-items:center;
  padding:0 28px;gap:16px;flex-shrink:0;position:relative;z-index:10;
}
.app-nav__brand{height:19px;display:flex;align-items:center}
.app-nav__brand img{height:19px;display:block;cursor:pointer}
.app-nav-sep{width:1px;height:22px;background:var(--line)}
.app-nav-title{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-3);
}
.app-nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.app-iconbtn{
  width:40px;height:40px;border-radius:9999px;border:1px solid var(--line);
  background:var(--paper);display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--ink-2);position:relative;transition:background .15s;
}
.app-iconbtn:hover{background:var(--color-green-60)}
.app-iconbtn .dot{position:absolute;top:9px;right:10px;width:7px;height:7px;
  border-radius:50%;background:var(--color-error);border:1.5px solid var(--paper)}

/* page body */
.page-body{flex:1;overflow-y:auto;padding:36px 44px 96px;background:var(--section)}
.page-body.narrow{max-width:880px;margin:0 auto;width:100%}
.page-body.centered{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px}

/* ─────────────────────────────────────────────
   SHARED PRODUCT BITS
───────────────────────────────────────────── */
.eyebrow-mono{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:0.14em;text-transform:uppercase;color:var(--ink-3);
  display:flex;align-items:center;gap:8px;
}
.eyebrow-mono.accent{color:var(--color-green-600)}
.page-title{
  font-family:var(--font-heading);font-weight:700;letter-spacing:-0.5px;
  font-size:clamp(26px,2.6vw,34px);color:var(--ui-text-display);line-height:1.02;
  margin:10px 0 6px;
}
.page-sub{font-size:16px;color:var(--ink-2);line-height:1.6;max-width:60ch}
.section-title{
  font-family:var(--font-heading);font-weight:700;font-size:18px;
  color:var(--ink);margin-bottom:14px;letter-spacing:-0.3px;
}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.section-link{font-family:var(--font-mono);font-size:11px;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--color-green-600);cursor:pointer;background:none;border:none}
.section-link:hover{color:var(--color-green-200)}
.stack{display:flex;flex-direction:column;gap:14px}
.stack-sm{display:flex;flex-direction:column;gap:8px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.divider{height:1px;background:var(--line);margin:22px 0}

/* a plain flat product card (sharp corners, hairline border) */
.pcard{background:var(--paper);border:1px solid var(--line);padding:22px 24px}
.pcard--pad-sm{padding:16px 18px}
.pcard--linen{background:var(--color-linen)}
.pcard--green{background:var(--color-green-60);border-color:var(--color-green-80)}

/* hero band — a LIGHT section header band (linen) with optional accent */
.hero-band{
  flex-shrink:0;padding:28px 44px;background:var(--color-linen);
  border-bottom:1px solid var(--line);position:relative;overflow:hidden;
}
.hero-band.green{background:var(--color-green-60);border-bottom-color:var(--color-green-80)}
.hero-band__eyebrow{
  font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--color-green-600);margin-bottom:10px;
  display:flex;align-items:center;gap:8px;
}
.hero-band__title{
  font-family:var(--font-heading);font-weight:700;letter-spacing:-0.6px;
  font-size:clamp(26px,2.8vw,38px);line-height:1.0;color:var(--ui-text-display);
}
.hero-band__title em{font-style:normal;color:var(--color-green-600)}
.hero-band__sub{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.55;max-width:62ch}

/* a foliage hero — used sparingly (dashboard) */
.hero-dark{
  flex-shrink:0;background:var(--color-foliage);color:var(--color-green-60);
  padding:34px 44px;display:flex;justify-content:space-between;align-items:flex-end;gap:32px;
}
.hero-dark__eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:0.12em;
  text-transform:uppercase;color:var(--color-green);margin-bottom:10px}
.hero-dark h1{font-family:var(--font-heading);font-weight:800;letter-spacing:-1px;
  font-size:clamp(30px,3.4vw,42px);color:var(--color-white);margin-bottom:8px;line-height:1}
.hero-dark p{font-size:15px;color:var(--color-green-60);max-width:460px;line-height:1.5}

/* ─────────────────────────────────────────────
   INTEGRATION STUBS (eng notes) — mustard dashed
───────────────────────────────────────────── */
.integration-stub{
  border:1.5px dashed var(--color-mustard-200);background:var(--color-mustard-60);
  padding:16px 18px;display:none;
}
.integration-stub.visible{display:block}
.stub-header{display:flex;align-items:center;gap:9px;margin-bottom:9px}
.stub-header [data-lucide]{width:15px;height:15px;color:var(--color-mustard-800)}
.stub-api{
  font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:0.06em;
  color:var(--color-mustard-800);background:rgba(167,105,0,0.1);padding:3px 9px;border-radius:9999px;
}
.stub-baa{margin-left:auto;font-family:var(--font-mono);font-size:10px;font-weight:500;
  letter-spacing:0.06em;text-transform:uppercase;color:var(--color-mustard-800);opacity:.7}
.stub-desc{font-size:13.5px;color:var(--color-mustard-800);line-height:1.6;margin-bottom:9px}
.stub-meta{display:flex;flex-wrap:wrap;gap:7px}
.stub-meta span{font-family:var(--font-mono);font-size:10.5px;letter-spacing:0.02em;
  color:var(--color-mustard-800);opacity:.78;background:rgba(167,105,0,0.08);padding:3px 8px;border-radius:4px}

/* helper: pill button full width */
.btn--block{width:100%;justify-content:center}