/* ═══════════════════════════════════════════════════════
   Katharyne's Laboratory — shared stylesheet
   Used by: laboratory.html, fnord-detector.html,
            infinite-improbability.html, book-creator.html
═══════════════════════════════════════════════════════ */

:root {
  --bg:          #0a0508;
  --bg2:         #150a10;
  --bg3:         #1e0f18;
  --pink-dark:   #7a2a48;
  --pink:        #b04a68;
  --pink-mid:    #c8607e;
  --pink-light:  #e090a8;
  --pink-pale:   #f5d0e0;
  --glass:       rgba(160,210,200,0.18);
  --glass-edge:  rgba(190,230,220,0.35);
  --warm:        #fff8d6;
  --cream:       #f5ece4;
  --muted:       #d8bcc8;
  --dim:         #b09098;
  --gr:          #ff1a44;
  --gc:          #00eeff;
  --amber:       #f5e6b0;
  --green-crt:   #39ff14;
  --font-d:      'Playfair Display', Georgia, serif;
  --font-m:      'Space Mono', monospace;
  --font-g:      'VT323', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 18px; }
body { background: var(--bg); color: var(--cream); font-family: var(--font-m); overflow-x: hidden; cursor: none; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--pink-mid); color: var(--cream); }
em { font-style: italic; }

/* ── CURSOR ────────────────────────────────────── */
#cur  { position:fixed; width:12px; height:12px; background:var(--pink-light); border-radius:50%; pointer-events:none; z-index:10001; mix-blend-mode:screen; box-shadow:0 0 8px rgba(200,96,126,.6),0 0 20px rgba(200,96,126,.4); transition:transform .1s,background .15s; }
#cur2 { position:fixed; width:30px; height:30px; border:1px solid rgba(200,96,126,.4); border-radius:50%; pointer-events:none; z-index:10000; transition:left .2s ease,top .2s ease; }

/* ── OVERLAYS ─────────────────────────────────── */
#scanlines { position:fixed; inset:0; background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.08) 2px,rgba(0,0,0,.08) 4px); pointer-events:none; z-index:1000; }
#vig       { position:fixed; inset:0; background:radial-gradient(ellipse at center,transparent 45%,rgba(0,0,0,.45) 75%,rgba(0,0,0,.85) 100%); pointer-events:none; z-index:999; }

/* ── NAV ──────────────────────────────────────── */
nav { position:fixed; top:0; left:0; right:0; z-index:1100; padding:1.2rem 3rem; display:flex; justify-content:space-between; align-items:center; background:linear-gradient(to bottom,rgba(10,5,8,.55) 0%,rgba(10,5,8,.15) 70%,transparent 100%); overflow:visible; }
.nav-links { display:flex; gap:2rem; font-size:.82rem; letter-spacing:.18em; text-transform:uppercase; color:#fff; text-shadow:0 1px 8px rgba(0,0,0,1),0 0 20px rgba(0,0,0,.9); align-items:center; flex-wrap:wrap; }
.nav-links a { transition:color .2s,text-shadow .2s; }
.nav-links a:hover { color:var(--pink-pale); text-shadow:0 0 14px rgba(200,96,126,.9),0 1px 8px rgba(0,0,0,1); }
.nav-links .nav-current { color:var(--pink-pale); text-shadow:0 0 14px rgba(200,96,126,.6); }
@keyframes nav-zippy-bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-4px)} }
.nav-zippy { display:block; flex-shrink:0; text-decoration:none; width:52px; height:52px; border-radius:50%; overflow:hidden; border:2px solid rgba(200,96,126,.6); box-shadow:0 0 14px rgba(200,96,126,.5),0 0 30px rgba(200,96,126,.2); animation:nav-zippy-bob 3s ease-in-out infinite; transition:box-shadow .2s,border-color .2s; position:relative; z-index:1110; }
.nav-zippy:hover { border-color:var(--pink-light); box-shadow:0 0 20px rgba(200,96,126,.8),0 0 40px rgba(200,96,126,.4); }
.nav-zippy img { width:100%; height:100%; object-fit:cover; object-position:center 20%; display:block; }

/* ── NAV KEY CONTROLS ────────────────────────── */
.nav-logo { font-family:var(--font-g); font-size:1.1rem; font-weight:700; letter-spacing:.25em; color:var(--pink-mid); transition:color .2s; }
.nav-logo:hover { color:var(--pink-pale); }
.nav-key-dot { width:7px; height:7px; border-radius:50%; background:rgba(248,113,113,.7); box-shadow:0 0 5px rgba(248,113,113,.4); flex-shrink:0; transition:all .3s; display:inline-block; vertical-align:middle; }
.nav-key-dot.connected { background:rgba(57,255,20,.8); box-shadow:0 0 5px rgba(57,255,20,.5); }
.nav-key-btn { font-family:var(--font-g); font-size:.75rem; letter-spacing:.14em; background:none; border:1px solid rgba(200,96,126,.35); color:rgba(240,220,230,.75); padding:.22rem .65rem; cursor:none; transition:all .18s; text-transform:uppercase; }
.nav-key-btn:hover { color:#f0b8cc; border-color:rgba(200,96,126,.7); background:rgba(200,96,126,.08); }
.nav-usage-btn { font-family:var(--font-g); font-size:.75rem; letter-spacing:.14em; background:none; border:1px solid rgba(245,230,176,.3); color:rgba(245,230,176,.75); padding:.22rem .65rem; cursor:none; transition:all .18s; text-transform:uppercase; }
.nav-usage-btn:hover { color:#f5e6b0; border-color:rgba(245,230,176,.65); background:rgba(245,230,176,.06); }
.key-modal-field { width:100%; box-sizing:border-box; background:rgba(10,5,8,.8); border:1px solid rgba(180,74,104,.3); color:var(--cream); font-family:var(--font-g); font-size:1rem; padding:.7rem 1rem; outline:none; margin-bottom:.8rem; }
.key-modal-field:focus { border-color:#c8607e; }
.key-modal-actions { display:flex; gap:.7rem; margin-bottom:1.2rem; }

/* ── BUTTONS ─────────────────────────────────── */
.btn { display:inline-block; padding:.85rem 2rem; font-family:var(--font-m); font-size:.82rem; letter-spacing:.2em; text-transform:uppercase; transition:all .2s; cursor:none; border:none; }
.btn-p  { border:1px solid var(--pink-mid); background:rgba(176,74,104,.15); color:var(--cream); }
.btn-p:hover { background:rgba(176,74,104,.4); border-color:var(--pink-light); box-shadow:0 0 20px rgba(200,96,126,.4); }
.btn-s  { border:1px solid var(--glass-edge); background:rgba(140,195,185,.05); color:var(--muted); }
.btn-s:hover { background:rgba(140,195,185,.15); color:var(--cream); }
.btn-sm { padding:.55rem 1.2rem; font-size:.82rem; }
.btn-full { width:100%; text-align:center; }
button { cursor:none; }

/* ── TYPOGRAPHY HELPERS ────────────────────────── */
.section-label { font-family:var(--font-g); font-size:.95rem; letter-spacing:.4em; color:var(--pink-mid); text-transform:uppercase; display:block; margin-bottom:.5rem; }
.input-label   { font-family:var(--font-g); font-size:.9rem; letter-spacing:.2em; color:var(--muted); display:block; margin-bottom:.5rem; }
.input-hint    { font-size:.85rem; color:var(--dim); margin-top:.4rem; line-height:1.6; }

/* ── FORM CONTROLS ───────────────────────────── */
.lab-textarea {
  width:100%; background:rgba(5,2,8,.7); border:1px solid rgba(180,74,104,.3);
  color:var(--cream); font-family:var(--font-m); font-size:.92rem; line-height:1.8;
  padding:1.2rem; resize:vertical; min-height:140px; outline:none;
  transition:border-color .2s, box-shadow .2s;
}
.lab-textarea:focus { border-color:var(--pink-mid); box-shadow:0 0 12px rgba(200,96,126,.15); }
.lab-textarea::placeholder { color:var(--dim); }

.lab-input {
  width:100%; background:rgba(5,2,8,.7); border:1px solid rgba(180,74,104,.3);
  color:var(--cream); font-family:var(--font-m); font-size:.92rem;
  padding:1rem 1.2rem; outline:none; transition:border-color .2s, box-shadow .2s;
}
.lab-input:focus { border-color:var(--pink-mid); box-shadow:0 0 12px rgba(200,96,126,.15); }
.lab-input::placeholder { color:var(--dim); }

/* ── API CONNECTION PANEL (top of tool pages) ─ */
.api-panel {
  background: rgba(5,2,8,.95);
  border-bottom: 1px solid rgba(245,230,176,.15);
  padding: 1.2rem 3rem;
  position: sticky;
  top: 60px;
  z-index: 400;
  transition: background .3s, border-color .3s;
}
.api-panel.needs-key {
  background: rgba(30,8,8,.97);
  border-bottom-color: rgba(248,113,113,.4);
  box-shadow: 0 4px 24px rgba(248,80,80,.12);
}
.api-panel-inner  { max-width:1100px; margin:0 auto; display:flex; align-items:center; gap:1.5rem; flex-wrap:wrap; }
.api-panel-prompt { display:none; font-family:var(--font-g); font-size:.95rem; letter-spacing:.18em; color:rgba(248,113,113,.9); white-space:nowrap; }
.api-panel.needs-key .api-panel-prompt { display:block; }
.api-status-badge {
  font-family:var(--font-g); font-size:1rem; letter-spacing:.2em;
  padding:.35rem 1rem; border:1px solid;
  white-space:nowrap; flex-shrink:0;
  transition:all .3s;
}
.api-status-badge.disconnected { color:rgba(248,113,113,.9); border-color:rgba(248,113,113,.5); background:rgba(248,113,113,.1); animation:api-pulse 2s ease-in-out infinite; }
.api-status-badge.connected    { color:rgba(57,255,20,.8);   border-color:rgba(57,255,20,.3);   background:rgba(57,255,20,.06); animation:none; }
@keyframes api-pulse { 0%,100%{box-shadow:0 0 0 rgba(248,113,113,0)} 50%{box-shadow:0 0 12px rgba(248,113,113,.35)} }
.api-key-field {
  flex:1; min-width:220px;
  background:rgba(10,5,8,.8); border:1px solid rgba(180,74,104,.3);
  color:var(--cream); font-family:var(--font-m); font-size:1rem;
  padding:.7rem 1rem; outline:none; transition:border-color .2s;
}
.api-panel.needs-key .api-key-field { border-color:rgba(248,113,113,.4); }
.api-panel.needs-key .api-key-field::placeholder { color:rgba(248,113,113,.5); }
.api-key-field:focus { border-color:var(--pink-mid); }
.api-key-field::placeholder { color:var(--dim); }
.api-panel-note { font-family:var(--font-g); font-size:.88rem; letter-spacing:.1em; color:var(--dim); }
.api-model-tag  { font-family:var(--font-g); font-size:.92rem; letter-spacing:.18em; color:var(--amber); flex-shrink:0; }
.api-help-btn   { font-family:var(--font-g); font-size:.92rem; letter-spacing:.15em; color:var(--cream); background:rgba(200,96,126,.18); border:1px solid rgba(200,96,126,.65); padding:.5rem 1.3rem; cursor:pointer; transition:all .18s; white-space:nowrap; flex-shrink:0; }
.api-help-btn:hover { background:rgba(200,96,126,.32); border-color:var(--pink-mid); }

/* ── API KEY HELP MODAL ── */
.api-modal-backdrop { display:none; position:fixed; inset:0; background:rgba(5,2,5,.88); z-index:9999; padding:2rem; cursor:none; overflow-y:auto; -webkit-overflow-scrolling:touch; }
.api-modal-backdrop.open { display:block; }
.api-modal { background:#150a10; border:1px solid rgba(200,96,126,.35); max-width:520px; width:100%; margin:2rem auto; box-shadow:0 0 60px rgba(0,0,0,.8); position:relative; }
.api-modal-header { padding:1.4rem 1.8rem 1rem; border-bottom:1px solid rgba(200,96,126,.15); display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.api-modal-title { font-family:var(--font-d); font-size:1.6rem; font-weight:700; color:var(--cream); }
.api-modal-close { font-family:var(--font-g); font-size:1.4rem; color:var(--dim); cursor:pointer; background:none; border:none; padding:.2rem .5rem; transition:color .15s; line-height:1; }
.api-modal-close:hover { color:var(--cream); }
.api-modal-body { padding:1.4rem 1.8rem 1.8rem; }
.api-modal-body > p { font-size:1.05rem; color:var(--muted); line-height:2; margin-bottom:1.2rem; }
.api-steps { list-style:none; display:flex; flex-direction:column; gap:.9rem; margin-bottom:1.2rem; }
.api-steps li { display:flex; gap:1rem; align-items:flex-start; font-size:1.05rem; color:var(--muted); line-height:1.85; }
.api-step-num { font-family:var(--font-g); font-size:1.1rem; color:var(--pink-mid); flex-shrink:0; width:1.2rem; text-align:center; }
.api-steps a { color:var(--pink-light); border-bottom:1px solid rgba(200,96,126,.35); }
.api-steps a:hover { color:var(--cream); }
.api-modal-note { font-family:var(--font-g); font-size:.92rem; letter-spacing:.1em; color:var(--dim); border-top:1px solid rgba(200,96,126,.1); padding-top:.9rem; line-height:1.9; }

/* ── USAGE TRACKER ───────────────────────────── */
.api-usage-btn { font-family:var(--font-g); font-size:.92rem; letter-spacing:.15em; color:var(--amber); background:rgba(245,230,176,.08); border:1px solid rgba(245,230,176,.3); padding:.5rem 1.1rem; cursor:pointer; transition:all .18s; white-space:nowrap; flex-shrink:0; }
.api-usage-btn:hover { background:rgba(245,230,176,.16); border-color:rgba(245,230,176,.6); }
.usage-modal-backdrop { display:none; position:fixed; inset:0; background:rgba(5,2,5,.88); z-index:9999; padding:2rem; cursor:none; overflow-y:auto; -webkit-overflow-scrolling:touch; }
.usage-modal-backdrop.open { display:block; }
.usage-modal { background:#150a10; border:1px solid rgba(245,230,176,.25); max-width:480px; width:100%; margin:2rem auto; box-shadow:0 0 60px rgba(0,0,0,.8); position:relative; }
.usage-modal-header { padding:1.4rem 1.8rem 1rem; border-bottom:1px solid rgba(245,230,176,.1); display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.usage-modal-title { font-family:var(--font-d); font-size:1.5rem; font-weight:700; color:var(--cream); }
.usage-modal-close { font-family:var(--font-g); font-size:1.4rem; color:var(--dim); cursor:pointer; background:none; border:none; padding:.2rem .5rem; transition:color .15s; line-height:1; }
.usage-modal-close:hover { color:var(--cream); }
.usage-modal-body { padding:1.4rem 1.8rem 1.8rem; }
.usage-stat-row { display:flex; justify-content:space-between; align-items:baseline; padding:.7rem 0; border-bottom:1px solid rgba(200,96,126,.1); }
.usage-stat-row:last-of-type { border-bottom:none; }
.usage-stat-label { font-family:var(--font-g); font-size:.88rem; letter-spacing:.18em; color:var(--muted); }
.usage-stat-val { font-family:var(--font-d); font-size:1.5rem; font-weight:700; color:var(--cream); }
.usage-cost-row { margin-top:1rem; padding:1rem; background:rgba(245,230,176,.05); border:1px solid rgba(245,230,176,.15); display:flex; justify-content:space-between; align-items:baseline; }
.usage-cost-label { font-family:var(--font-g); font-size:.88rem; letter-spacing:.18em; color:var(--amber); }
.usage-cost-val { font-family:var(--font-d); font-size:2rem; font-weight:700; color:var(--amber); }
.usage-note { font-family:var(--font-g); font-size:.82rem; letter-spacing:.08em; color:var(--dim); line-height:1.8; margin-top:1.1rem; }
.usage-reset-btn { font-family:var(--font-g); font-size:.82rem; letter-spacing:.15em; color:rgba(248,113,113,.7); background:none; border:1px solid rgba(248,113,113,.25); padding:.4rem .9rem; cursor:pointer; transition:all .18s; margin-top:1rem; }
.usage-reset-btn:hover { border-color:rgba(248,113,113,.6); color:rgba(248,113,113,.9); }

/* ── LOADING / ERROR ─────────────────────────── */
.lab-loading { display:none; align-items:center; gap:.8rem; font-family:var(--font-g); font-size:1rem; letter-spacing:.2em; color:var(--pink-mid); }
.lab-loading.active { display:flex; }
.loading-dots span { animation:blink .8s infinite; }
.loading-dots span:nth-child(2) { animation-delay:.2s; }
.loading-dots span:nth-child(3) { animation-delay:.4s; }

.lab-error { display:none; padding:1rem 1.5rem; border:1px solid rgba(248,113,113,.4); background:rgba(248,113,113,.06); color:#fca5a5; font-size:.9rem; line-height:1.8; margin-top:1rem; }
.lab-error.visible { display:block; }

/* ── RESULTS ─────────────────────────────────── */
.results-area { margin-top:1.5rem; }
.results-area.hidden { display:none; }

/* ── TABS ────────────────────────────────────── */
.tab-nav  { display:flex; border-bottom:1px solid rgba(180,74,104,.2); margin-bottom:1.5rem; overflow-x:auto; }
.tab-btn  { font-family:var(--font-g); font-size:.9rem; letter-spacing:.2em; color:var(--muted); padding:.7rem 1.5rem; border:none; background:none; cursor:none; white-space:nowrap; border-bottom:2px solid transparent; transition:all .2s; text-transform:uppercase; }
.tab-btn:hover  { color:var(--cream); }
.tab-btn.active { color:var(--pink-pale); border-bottom-color:var(--pink-mid); }
.tab-content         { display:none; }
.tab-content.active  { display:block; }

/* ── PAGE HERO ───────────────────────────────── */
.page-hero { padding:9rem 3rem 4rem; position:relative; overflow:hidden; }
.page-hero-grid { position:absolute; inset:0; background-image:linear-gradient(rgba(200,96,126,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,96,126,.05) 1px,transparent 1px); background-size:60px 60px; pointer-events:none; }
.page-hero-inner  { max-width:900px; margin:0 auto; position:relative; z-index:2; }
.page-eyebrow { font-family:var(--font-g); font-size:.9rem; letter-spacing:.45em; color:var(--pink-mid); text-transform:uppercase; display:block; margin-bottom:.8rem; }
.page-title   { font-family:var(--font-d); font-size:clamp(2.5rem,7vw,5.5rem); font-weight:700; color:var(--cream); line-height:1; margin-bottom:1.2rem; }
.page-title span { color:var(--pink-pale); font-style:italic; }
.page-desc    { font-size:1rem; color:var(--muted); line-height:2.1; max-width:62ch; }

/* ── TOOL BODY ────────────────────────────────── */
.tool-body  { padding:3rem 3rem 6rem; }
.tool-inner { max-width:1100px; margin:0 auto; }

/* ── FOOTER ──────────────────────────────────── */
footer { background:var(--bg); padding:2rem 3rem; display:flex; justify-content:space-between; align-items:center; border-top:1px solid rgba(180,74,104,.15); flex-wrap:wrap; gap:1rem; }
.foot-logo  { font-family:var(--font-d); font-size:1.1rem; font-style:italic; color:var(--pink-pale); }
.foot-copy  { font-size:.82rem; letter-spacing:.15em; color:var(--dim); }
.foot-links { display:flex; gap:2rem; }
.foot-links a { font-size:.82rem; letter-spacing:.15em; color:var(--dim); text-transform:uppercase; transition:color .2s; }
.foot-links a:hover { color:var(--muted); }

/* ── KEYFRAMES ───────────────────────────────── */
@keyframes blink         { 0%,80%,100%{opacity:.2} 40%{opacity:1} }
@keyframes pulse         { 0%,100%{opacity:.4} 50%{opacity:.9} }
@keyframes status-blink  { 0%,100%{opacity:1} 50%{opacity:.5} }
@keyframes crt-pulse     { 0%,100%{text-shadow:0 0 8px rgba(0,212,255,.6)} 50%{text-shadow:0 0 20px rgba(0,212,255,1),0 0 40px rgba(0,212,255,.4)} }
@keyframes flicker       { 0%,100%{opacity:1} 50%{opacity:.94} 93%{opacity:.88} }

/* ── REDUCED MOTION ──────────────────────────── */
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { animation:none !important; transition-duration:.01ms !important; } }

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width:768px) {
  nav { padding:.9rem 1.5rem; }
  .nav-links { gap:1.2rem; }
  .api-panel { padding:1rem 1.5rem; top:52px; }
  .page-hero { padding:7rem 1.5rem 3rem; }
  .tool-body { padding:2rem 1.5rem 4rem; }
  footer { flex-direction:column; text-align:center; }
}

/* ── TOUCH DEVICE OVERRIDES ─────────────────── */
@media (hover: none) and (pointer: coarse) {
  body, button, a, .btn, .tab-btn, input, textarea, [role="button"], [onclick] { cursor: auto !important; }
  button, a, .btn, [role="button"] { cursor: pointer !important; }
  #cur, #cur2 { display: none !important; }
}