/* =============================================
   LUX TOOLS — style.css
   ============================================= */

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

:root{
  --gold:#fbbf24;
  --gold-dim:rgba(251,191,36,.3);
  --gold-glow:rgba(251,191,36,.15);
  --bg:#05070f;
  --surface:rgba(15,23,42,.75);
  --surface2:rgba(30,41,59,.6);
  --text:#fefce8;
  --muted:#94a3b8;
  --border:rgba(251,191,36,.18);
  --radius:.75rem;
  --nav-h:60px;
  --mobile-safe-top:0px;
  --app-nav-h:var(--nav-h);
}

html{scroll-behavior:smooth}

/* ── MOBILE OPTIMIZATIONS ── */
@media (max-width: 640px) {
  /* Larger touch targets */
  .btn, .calc-btn, .tool-card, .nav-links a, .tab-btn, .mode-btn {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Bigger calculator buttons */
  .calc-btn {
    padding: 1.1rem;
    font-size: 1.15rem;
  }
  
  /* Better spacing */
  .container {
    padding: 0 1rem 1.5rem;
  }
  
  /* Larger tool cards on mobile */
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .tool-card {
    padding: 1rem 0.8rem;
  }
  
  .tool-card-icon {
    font-size: 1.5rem;
  }
  
  .tool-card h3 {
    font-size: 0.85rem;
  }
  
  .tool-card p {
    font-size: 0.7rem;
  }
  
  /* Better form inputs */
  .lux-input, .lux-select, .lux-textarea {
    padding: 0.85rem 1rem;
    font-size: 1rem;
  }
  
  /* Larger panel padding */
  .panel {
    padding: 1rem;
  }
  
  /* Better tool overlay */
  .tool-overlay-inner {
    padding: 0.8rem 1rem 2rem;
  }
  
  /* Hero section */
  .hero {
    padding: 2rem 1rem 1.5rem;
  }
  
  /* Search results */
  .hero-search-results, .search-results {
    max-height: 280px;
  }
  
  /* Tool head */
  .tool-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .tool-head-icon {
    width: 50px;
    height: 50px;
    font-size: 1.8rem;
  }
  
  .tool-head h1 {
    font-size: 1.3rem;
  }
  
  /* Page hero */
  .page-hero {
    padding: 2rem 1rem 1.5rem;
  }
  
  /* Category sections */
  .cat-section {
    margin-bottom: 1.5rem;
    padding-top: 1rem;
  }
  
  /* Stat boxes */
  .stat-box {
    padding: 0.8rem;
  }
  
  .stat-num {
    font-size: 1.3rem;
  }
  
  /* Drop zone */
  .drop-zone {
    padding: 1.5rem 1rem;
  }
  
  /* Modal */
  .modal-content {
    padding: 1rem;
  }
  
  /* Cards wrapper */
  .cards-wrapper {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  /* Lux card */
  .lux-card {
    padding: 1.2rem;
  }
  
  /* Tabs */
  .tab-row, .tab-switcher, .mode-switcher, .setup-tabs {
    flex-wrap: wrap;
  }
  
  .tab-btn, .mode-btn, .setup-tab {
    flex: 1 1 calc(50% - 0.2rem);
    min-width: calc(50% - 0.2rem);
  }
}

/* Smooth animations */
@media (prefers-reduced-motion: no-preference) {
  .tool-card, .btn, .calc-btn, .lux-btn, .nav-links a, .tab-btn, .mode-btn, .bgrem-chip, .bgrem-link {
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  }
  
  .tool-card:hover {
    transform: translateY(-4px);
  }
  
  .page {
    animation: fadeIn 0.3s ease;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
}

/* Touch-friendly improvements */
button, a, .tool-card {
  -webkit-tap-highlight-color: transparent;
}

/* Prevent horizontal scroll */
body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* Better scrolling on iOS */
.tool-overlay, .hero-search-results, .search-results {
  -webkit-overflow-scrolling: touch;
}

body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  font-size:.94rem;
}

/* ── NAV ── */
.lux-nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height: var(--app-nav-h);
  padding-top:0;
  background:rgba(5,7,15,.85);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  box-sizing:border-box;
}
.nav-inner{
  max-width:1200px;margin:0 auto;
  height:100%;padding:0 1.2rem;
  display:flex;align-items:center;gap:1rem;
}

.nav-logo{
  font-family:'Cinzel Decorative',serif;
  font-size:1.2rem;
  background:linear-gradient(90deg,#facc15,#fbbf24);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-decoration:none;white-space:nowrap;
}
.nav-links{
  display:flex;align-items:center;gap:.3rem;margin-left:auto;
}
.nav-links a{
  padding:.45rem .7rem;border-radius:.5rem;
  color:var(--muted);text-decoration:none;
  font-size:.83rem;font-weight:500;transition:.2s;white-space:nowrap;
}
.nav-links a:hover,.nav-links a.active{color:var(--gold);background:var(--gold-glow)}
.nav-search-btn{
  background:rgba(251,191,36,.1);border:1px solid var(--gold-dim);
  color:var(--gold);border-radius:.5rem;padding:.45rem .7rem;
  font-size:.9rem;cursor:pointer;transition:.2s;
}
.nav-search-btn:hover{background:rgba(251,191,36,.2)}
.nav-mobile-toggle{
  display:none;background:none;border:1px solid var(--gold-dim);
  color:var(--gold);padding:.4rem .7rem;border-radius:.5rem;
  font-size:1rem;cursor:pointer;margin-left:auto;
}
@media(max-width:780px){
  :root{
    --mobile-safe-top:max(10px, env(safe-area-inset-top, 0px));
    --app-nav-h:calc(var(--nav-h) + var(--mobile-safe-top));
  }
  .lux-nav{
    padding-top:var(--mobile-safe-top);
  }
  .nav-mobile-toggle{display:block}
  .nav-links{
    display:none;flex-direction:column;align-items:stretch;
    position:absolute;top:var(--app-nav-h);left:0;right:0;
    background:rgba(5,7,15,.97);border-bottom:1px solid var(--border);
    padding:.8rem 1.2rem 1rem;gap:.4rem;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.7rem 1rem}
  .nav-search-btn{width:100%;text-align:left}
}
@media(max-width:768px){
  [data-mobile-restricted-tool="typing-master"],
  a[href*="typing-master"],
  [onclick*="typing-master"]{
    display:none!important;
  }
}

/* ── PAGES ── */
.page{display:none;padding-top:var(--app-nav-h);min-height:100vh}
.page.active{display:block}

/* ── SCENE / BG ── */
.scene,.bg-particles,.bg-gradient{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
}
.bg-gradient{
  background:
    radial-gradient(ellipse at 20% 30%,rgba(234,179,8,.15) 0%,transparent 50%),
    radial-gradient(ellipse at 80% 70%,rgba(234,179,8,.12) 0%,transparent 60%),
    linear-gradient(135deg,#0a0e17 0%,#0f172a 100%);
}
.bg-particles{
  background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><circle cx="10" cy="10" r="1.2" fill="rgba(234,179,8,0.22)"/></svg>') repeat;
  opacity:.04;animation:particleFloat 90s linear infinite;
}
@keyframes particleFloat{from{transform:translate(0,0)}to{transform:translate(-100px,-100px)}}

/* ── HERO ── */
.hero{text-align:center;padding:3.5rem 1rem 2rem}
.hero h1{
  font-family:'Cinzel Decorative',serif;
  font-size:clamp(2.2rem,7vw,4rem);
  background:linear-gradient(90deg,#facc15,#fbbf24,#f59e0b);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:.5rem;
}
.tagline{font-size:1rem;color:#fcd34d;margin-bottom:.4rem}
.hero-sub{font-size:.85rem;color:var(--muted);margin-bottom:1.5rem}

/* Hero Search */
.hero-search-wrap{
  position:relative;max-width:520px;margin:0 auto;
}
.hero-search-wrap input{
  width:100%;padding:.9rem 1.2rem;
  background:rgba(30,41,59,.8);backdrop-filter:blur(12px);
  border:1px solid var(--gold-dim);border-radius:2rem;
  color:var(--text);font-size:.95rem;font-family:inherit;
  outline:none;transition:.25s;
}
.hero-search-wrap input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(251,191,36,.1)}
.hero-search-results{
  position:absolute;top:calc(100% + .4rem);left:0;right:0;
  background:rgba(15,23,42,.97);border:1px solid var(--gold-dim);
  border-radius:1rem;overflow:hidden;z-index:50;max-height:320px;overflow-y:auto;
}
.hero-search-results .sr-item{
  display:flex;align-items:center;gap:.8rem;padding:.75rem 1.2rem;
  cursor:pointer;transition:.15s;border-bottom:1px solid rgba(251,191,36,.06);
}
.hero-search-results .sr-item:hover{background:var(--gold-glow);color:var(--gold)}
.hero-search-results .sr-icon{font-size:1.2rem}
.hero-search-results .sr-name{font-weight:600;font-size:.9rem}
.hero-search-results .sr-cat{font-size:.75rem;color:var(--muted);margin-top:.1rem}

/* ── SEARCH OVERLAY ── */
.search-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(0,0,0,.85);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;align-items:center;padding-top:6rem;
}
.search-box{
  display:flex;gap:.5rem;width:min(600px,90%);margin-bottom:1rem;
}
.search-box input{
  flex:1;padding:.9rem 1.2rem;
  background:rgba(15,23,42,.95);border:1px solid var(--gold-dim);
  border-radius:.8rem;color:var(--text);font-size:1rem;font-family:inherit;outline:none;
}
.search-box input:focus{border-color:var(--gold)}
#search-close{
  width:48px;height:48px;background:rgba(251,191,36,.12);
  border:1px solid var(--gold-dim);border-radius:.8rem;
  color:var(--gold);font-size:1.4rem;cursor:pointer;
}
.search-results{width:min(600px,90%);max-height:60vh;overflow-y:auto}
.search-results .sr-item{
  display:flex;align-items:center;gap:.8rem;padding:.85rem 1.2rem;
  background:rgba(15,23,42,.8);border:1px solid var(--border);
  border-radius:.7rem;margin-bottom:.5rem;cursor:pointer;transition:.2s;
}
.search-results .sr-item:hover{background:rgba(251,191,36,.12);border-color:var(--gold-dim)}

/* ── CONTAINER & LAYOUT ── */
.container{max-width:1100px;margin:0 auto;padding:0 1.2rem 2rem}

.page-hero{
  position:relative;
  background:linear-gradient(160deg,rgba(251,191,36,.07) 0%,rgba(15,23,42,.6) 50%,rgba(96,165,250,.04) 100%);
  border-bottom:1px solid var(--border);
  padding:3.5rem 1.5rem 2.5rem;
  text-align:center;
  overflow:hidden;
}
/* ambient glows */
.page-hero::before{
  content:'';
  position:absolute;
  top:-60px;left:50%;
  transform:translateX(-50%);
  width:600px;height:300px;
  background:radial-gradient(ellipse at center,rgba(251,191,36,.1) 0%,transparent 70%);
  pointer-events:none;
}
.page-hero::after{
  content:'';
  position:absolute;
  bottom:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(251,191,36,.3),transparent);
}
.page-hero h1{
  font-family:'Cinzel Decorative',serif;
  font-size:clamp(1.5rem,4.5vw,2.4rem);
  color:var(--gold);
  margin-bottom:.6rem;
  line-height:1.2;
}
.page-hero p{
  color:var(--muted);
  margin:.5rem auto 0;
  max-width:600px;
  font-size:.95rem;
  line-height:1.65;
}

/* Category badge above the title */
.page-hero-tag{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.28rem .9rem;
  background:rgba(251,191,36,.12);
  border:1px solid rgba(251,191,36,.25);
  border-radius:2rem;
  font-size:.75rem;
  font-weight:700;
  color:var(--gold);
  letter-spacing:.06em;
  text-transform:uppercase;
  margin-bottom:1rem;
}

/* Pill stats row below description */
.page-hero-pills{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  justify-content:center;
  margin-top:1.2rem;
}
.page-hero-pills span{
  padding:.3rem .75rem;
  background:rgba(15,23,42,.8);
  border:1px solid rgba(255,255,255,.08);
  border-radius:2rem;
  font-size:.72rem;
  font-weight:600;
  color:var(--muted);
  letter-spacing:.03em;
}

/* ── CATEGORY SECTIONS ── */
.cat-section{margin-bottom:2.5rem;padding-top:1.5rem}
.cat-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.cat-title{font-size:1.15rem;font-weight:700;color:var(--text)}
.cat-more{color:var(--gold);text-decoration:none;font-size:.85rem;opacity:.8;transition:.2s}
.cat-more:hover{opacity:1}

/* ── TOOL GRID ── */
.tools-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:1rem;
}
.tools-grid-wide{
  grid-template-columns:repeat(auto-fill,minmax(230px,1fr));
  margin-top:1.5rem;
}

/* ── TOOL CARD ── */
.tool-card{
  display:block;text-decoration:none;
  background:rgba(15,23,42,.7);backdrop-filter:blur(12px);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:1.2rem 1rem;
  transition:transform .25s,border-color .25s,box-shadow .25s;
  cursor:pointer;
}
.tool-card:hover{
  transform:translateY(-5px);
  border-color:rgba(251,191,36,.5);
  box-shadow:0 12px 30px rgba(0,0,0,.4),0 0 0 1px rgba(251,191,36,.1);
}
.tool-card-icon{font-size:1.8rem;margin-bottom:.6rem}
.tool-card h3{font-size:.92rem;font-weight:700;color:var(--text);margin-bottom:.3rem;line-height:1.3}
.tool-card p{font-size:.78rem;color:var(--muted);line-height:1.4}

/* ── TOOL OVERLAY ── */
.tool-overlay{
  position:fixed;inset:0;z-index:150;
  background:rgba(5,7,15,.97);
  overflow-y:auto;
  padding-top:var(--app-nav-h);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.tool-overlay:not(.hidden){
  opacity:1;visibility:visible;
}
.tool-overlay-inner{max-width:900px;margin:0 auto;padding:1rem 1.2rem 3rem}
.tool-overlay-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:1rem;padding-bottom:1rem;
  border-bottom:1px solid var(--border);
}
.back-link-btn{
  background:rgba(251,191,36,.1);border:1px solid var(--gold-dim);
  color:var(--gold);border-radius:.5rem;padding:.5rem 1rem;
  font-size:.88rem;cursor:pointer;transition:.2s;
}
.back-link-btn:hover{background:rgba(251,191,36,.2)}
.tool-close-btn{
  width:36px;height:36px;border-radius:50%;
  background:rgba(248,113,113,.15);border:1px solid rgba(248,113,113,.3);
  color:#fca5a5;font-size:1.3rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.2s;
}
.tool-close-btn:hover{background:rgba(248,113,113,.3);transform:rotate(90deg)}

/* ── TOOL PAGE INTERNALS ── */
.tool-page{padding:.5rem 0}
.tool-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}
.tool-head-icon{
  font-size:2.2rem;width:60px;height:60px;
  background:rgba(251,191,36,.1);border:1px solid var(--gold-dim);
  border-radius:.8rem;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.tool-head h1{font-size:1.5rem;font-weight:800;color:var(--text)}
.tool-head p{font-size:.85rem;color:var(--muted);margin-top:.2rem}

/* ── PANEL ── */
.panel{
  background:rgba(15,23,42,.7);backdrop-filter:blur(12px);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:1.4rem;margin-bottom:1rem;
}

/* ── FORM CONTROLS ── */
.lux-label{display:block;font-size:.78rem;font-weight:600;color:var(--gold);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem}
.lux-input,.lux-select,.lux-textarea{
  width:100%;padding:.72rem 1rem;
  background:rgba(30,41,59,.7);
  border:1px solid var(--gold-dim);
  border-radius:.6rem;color:var(--text);
  font-family:inherit;font-size:.9rem;
  transition:.2s;outline:none;
}
.lux-input:focus,.lux-select:focus,.lux-textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(251,191,36,.08)}
.lux-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='%23fbbf24' viewBox='0 0 16 16'%3e%3cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right .75rem center;background-size:12px;padding-right:2.2rem}
.lux-textarea{resize:vertical;min-height:100px}
.lux-range{width:100%;accent-color:var(--gold);cursor:pointer;height:6px;margin-top:.6rem}
.form-group{margin-bottom:1rem}

/* ── BUTTONS ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.72rem 1.2rem;border:none;border-radius:.65rem;
  font-family:inherit;font-size:.88rem;font-weight:600;
  cursor:pointer;transition:.2s;text-decoration:none;
}
.btn:hover{
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 0 15px var(--gold-glow);
}
.btn-primary{background:linear-gradient(135deg,#fbbf24,#facc15);color:#0f172a}
.btn-primary:hover{box-shadow:0 4px 14px rgba(251,191,36,.35)}
.btn-secondary{background:rgba(251,191,36,.12);color:var(--text);border:1px solid var(--gold-dim)}
.btn-secondary:hover{background:rgba(251,191,36,.22);color:var(--gold)}
.btn-danger{background:rgba(248,113,113,.12);color:#fca5a5;border:1px solid rgba(248,113,113,.3)}
.btn-danger:hover{background:rgba(248,113,113,.25)}
.btn-full{width:100%;display:flex}
.btn-sm{padding:.4rem .75rem;font-size:.8rem}

/* ── STATUS ── */
.status{
  margin-top:.7rem;padding:.6rem .8rem;
  border-radius:.6rem;text-align:center;
  font-size:.85rem;min-height:2.2rem;
  display:flex;align-items:center;justify-content:center;
}
.success{background:rgba(52,211,153,.12);color:#a7f3d0;border:1px solid rgba(52,211,153,.2)}
.error{background:rgba(248,113,113,.12);color:#fca5a5;border:1px solid rgba(248,113,113,.2)}
.info{background:rgba(96,165,250,.12);color:#93c5fd;border:1px solid rgba(96,165,250,.2)}

/* ── HIDDEN ── */
.hidden{display:none!important}

/* ── DROP ZONE ── */
.drop-zone{
  border:2px dashed var(--gold-dim);border-radius:var(--radius);
  padding:2rem;text-align:center;cursor:pointer;
  transition:.25s;background:rgba(30,41,59,.2);
}
.drop-zone:hover,.drop-zone.drag-over{border-color:var(--gold);background:rgba(251,191,36,.06)}
.drop-icon{font-size:2.5rem;margin-bottom:.8rem}
.drop-label{color:var(--text);font-weight:600;margin-bottom:.3rem}
.drop-sub{color:var(--muted);font-size:.82rem}

.bgrem-panel{
  max-width:820px;
  margin:0 auto 1rem;
}
.bgrem-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1rem;
}
.bgrem-card{
  background:rgba(30,41,59,.45);
  border:1px solid var(--border);
  border-radius:.8rem;
  padding:1rem;
}
.bgrem-label{
  font-size:.78rem;
  color:var(--gold);
  font-weight:700;
  letter-spacing:.5px;
  text-transform:uppercase;
  margin-bottom:.7rem;
}
.bgrem-preview-frame{
  min-height:220px;
  border-radius:.7rem;
  border:1px solid var(--gold-dim);
  background:rgba(15,23,42,.85);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  padding:1rem;
}
.bgrem-preview-frame img{
  max-width:100%;
  max-height:280px;
  height:auto;
  display:none;
}
.bgrem-empty{
  min-height:160px;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  font-size:.92rem;
  letter-spacing:.03em;
}
.bgrem-checker{
  background:
    linear-gradient(45deg, rgba(148,163,184,.16) 25%, transparent 25%, transparent 75%, rgba(148,163,184,.16) 75%, rgba(148,163,184,.16)),
    linear-gradient(45deg, rgba(148,163,184,.16) 25%, transparent 25%, transparent 75%, rgba(148,163,184,.16) 75%, rgba(148,163,184,.16));
  background-position:0 0,12px 12px;
  background-size:24px 24px;
  background-color:rgba(15,23,42,.9);
}
.bgrem-actions{
  display:flex;
  gap:.75rem;
  flex-wrap:wrap;
  margin-top:1rem;
}
.bgrem-bg-controls{
  margin-top:.85rem;
  padding:1rem;
  border:1px solid var(--border);
  border-radius:.8rem;
  background:rgba(30,41,59,.35);
}
.bgrem-more-tools{
  margin-top:.85rem;
  padding:1rem;
  border:1px solid var(--border);
  border-radius:.8rem;
  background:rgba(15,23,42,.45);
}
.bgrem-links{
  display:flex;
  gap:.6rem;
  flex-wrap:wrap;
}
.bgrem-link{
  display:inline-flex;
  align-items:center;
  padding:.55rem .85rem;
  border-radius:999px;
  border:1px solid var(--gold-dim);
  background:rgba(251,191,36,.08);
  color:var(--text);
  text-decoration:none;
  font-size:.82rem;
  transition:.2s;
}
.bgrem-link:hover{
  background:rgba(251,191,36,.2);
  color:var(--gold);
}
.bgrem-chip-row{
  display:flex;
  gap:.55rem;
  flex-wrap:wrap;
  margin-bottom:1rem;
}
.bgrem-chip{
  padding:.55rem .9rem;
  border:1px solid var(--gold-dim);
  border-radius:999px;
  background:rgba(251,191,36,.08);
  color:var(--text);
  font-family:inherit;
  font-size:.82rem;
  cursor:pointer;
  transition:.2s;
}
.bgrem-chip:hover,.bgrem-chip.active{
  background:rgba(251,191,36,.2);
  color:var(--gold);
}
.bgrem-custom-row{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:1rem;
  align-items:end;
}
.bgrem-color-input{
  width:100%;
  height:44px;
  border:1px solid var(--gold-dim);
  border-radius:.65rem;
  background:rgba(30,41,59,.7);
  cursor:pointer;
}
.bgrem-loading{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  margin-top:1rem;
  color:var(--gold);
  font-size:.88rem;
}
.bgrem-spinner{
  width:18px;
  height:18px;
  border-radius:50%;
  border:2px solid rgba(251,191,36,.25);
  border-top-color:var(--gold);
  animation:bgremSpin .8s linear infinite;
}
@keyframes bgremSpin{to{transform:rotate(360deg)}}

/* ── TABS ── */
.tab-row,.tab-switcher{
  display:flex;gap:.4rem;margin-bottom:1.2rem;
  background:rgba(30,41,59,.5);padding:.3rem;border-radius:.7rem;
}
.tab-btn{
  flex:1;padding:.55rem;background:transparent;color:var(--gold);
  border:none;border-radius:.5rem;cursor:pointer;
  font-size:.88rem;font-weight:600;transition:.2s;font-family:inherit;
}
.tab-btn.active{background:linear-gradient(135deg,#fbbf24,#facc15);color:#0f172a}
.tab-content{display:none}
.tab-content.active{display:block}

/* ── STRENGTH BAR ── */
.strength-bar-wrap{height:6px;background:rgba(30,41,59,.8);border-radius:3px;overflow:hidden}
.strength-bar{height:100%;border-radius:3px;transition:.4s;width:0}

/* ── BMI SCALE ── */
.bmi-scale{display:flex;height:12px;border-radius:6px;overflow:hidden;margin-bottom:.3rem}
.bmi-seg{flex:1}

/* ── COIN ── */
.coin{
  font-size:4rem;display:inline-block;
  transition:transform .7s;margin-bottom:.5rem;
}
.coin.flip{transform:rotateY(720deg)}

/* ── STAT BOX (word counter, typing) ── */
.stat-box{
  background:rgba(30,41,59,.6);border:1px solid var(--gold-dim);
  border-radius:.7rem;padding:1rem;text-align:center;
}
.stat-num{font-size:1.6rem;font-weight:900;color:var(--gold)}
.stat-label{font-size:.72rem;color:var(--muted);margin-top:.3rem;text-transform:uppercase;letter-spacing:.4px}

/* ── CALCULATOR ── */
.calc-btn{
  padding:1rem;background:rgba(30,41,59,.7);
  border:1px solid var(--gold-dim);border-radius:.65rem;
  color:var(--text);font-size:1.1rem;font-weight:600;cursor:pointer;
  font-family:inherit;transition:.15s;touch-action:manipulation;
}
.calc-btn:hover{background:rgba(251,191,36,.15);color:var(--gold)}
.calc-btn:active{transform:scale(.95)}
.calc-btn.op{color:var(--gold);background:rgba(251,191,36,.08)}

/* ── TYPING MASTER highlighted chars ── */
.tm-char{display:inline}
.tm-char.correct{color:#22c55e}
.tm-char.wrong{color:#ef4444;background:rgba(239,68,68,.15);border-radius:2px}
.tm-char.cursor{border-left:2px solid var(--gold)}

/* ── COLOR PALETTE ── */
.cp-swatch{
  border-radius:.7rem;overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  cursor:pointer;transition:.2s;
}
.cp-swatch:hover{transform:scale(1.04);box-shadow:0 6px 20px rgba(0,0,0,.3)}
.cp-color-block{height:80px}
.cp-info{background:rgba(15,23,42,.9);padding:.6rem;text-align:center}
.cp-hex{font-family:monospace;font-size:.82rem;color:var(--text);font-weight:600}
.cp-copied{font-size:.7rem;color:#a7f3d0;margin-top:.2rem;min-height:.9rem}

/* ── PASTE SPECIFIC ── */
.history-btn{
  /* Removed fixed positioning to keep button in normal document flow */
  /* position:fixed;top:calc(var(--nav-h) + .6rem);left:1rem;z-index:101; */
  display: inline-block; /* Ensure margins apply correctly */
  margin-top: .6rem; /* Adjust for visual placement within flow */
  margin-left: 1rem; /* Adjust for visual placement within flow */
  padding:.35rem .8rem;font-size:.8rem;
  background:rgba(251,191,36,.12);color:var(--text);
  border:1px solid var(--gold-dim);border-radius:.6rem;cursor:pointer;transition:.25s;
  font-family:inherit;
}
.history-btn:hover{background:rgba(251,191,36,.25)}
.modal{
  position:fixed;inset:0;background:rgba(0,0,0,.8);
  display:flex;align-items:center;justify-content:center;
  z-index:250;opacity:0;pointer-events:none;transition:.25s;
}
.modal.show{opacity:1;pointer-events:auto}
.modal-content{
  background:rgba(15,23,42,.97);
  border:1px solid var(--gold-dim);border-radius:var(--radius);
  padding:1.4rem;max-width:480px;width:90%;
  max-height:80vh;overflow-y:auto;
}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}
.modal h3{font-size:1.1rem;color:var(--text)}
.close-btn{
  width:32px;height:32px;border-radius:50%;
  background:rgba(251,191,36,.1);border:1px solid var(--gold-dim);
  color:var(--gold);font-size:1rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.25s;
}
.close-btn:hover{background:rgba(251,191,36,.25);transform:rotate(90deg)}

.cards-wrapper{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.6rem}
.lux-card{
  background:rgba(15,23,42,.75);backdrop-filter:blur(18px);
  border:1px solid var(--border);border-radius:1rem;
  padding:1.4rem;box-shadow:0 18px 45px -8px rgba(0,0,0,.7);
  transition:.35s;
}
.lux-card:hover{transform:translateY(-5px)}
.lux-card h2{font-family:'Cinzel Decorative',serif;font-size:1.6rem;margin-bottom:.8rem}
.lux-btn{
  width:100%;padding:.75rem;font-size:.92rem;font-weight:600;
  border:none;border-radius:.7rem;cursor:pointer;transition:.2s;font-family:inherit;
  display:flex;align-items:center;justify-content:center;
}
.lux-btn:hover{transform:translateY(-2px)}
.lux-btn.primary{background:linear-gradient(135deg,#fbbf24,#facc15);color:#0f172a}
.lux-btn.primary:hover{box-shadow:0 4px 12px rgba(251,191,36,.35)}
.lux-btn.secondary{background:rgba(251,191,36,.12);color:var(--text);border:1px solid var(--gold-dim)}
.lux-btn.secondary:hover{background:rgba(251,191,36,.22)}
.lux-btn.tiny{width:auto;padding:.35rem .75rem;font-size:.78rem}
.lux-btn.danger{background:rgba(248,113,113,.12);color:#fca5a5;border:1px solid rgba(248,113,113,.3)}
.lux-btn.danger:hover{background:rgba(248,113,113,.25)}

.mode-switcher,.setup-tabs{display:flex;gap:.4rem;margin-bottom:.8rem;background:rgba(30,41,59,.5);padding:.3rem;border-radius:.7rem}
.mode-btn,.setup-tab{flex:1;padding:.6rem;background:transparent;color:var(--gold);border:none;border-radius:.5rem;cursor:pointer;font-size:.85rem;font-weight:600;transition:.2s;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:.3rem}
.mode-btn.active,.setup-tab.active{background:linear-gradient(135deg,#fbbf24,#facc15);color:#0f172a}
.mode-description{text-align:center;font-size:.78rem;color:var(--muted);margin-bottom:1rem;padding:.45rem;background:rgba(251,191,36,.05);border-radius:.5rem}
.setup-content{display:none}
.setup-content.active{display:block}

/* Paste page & modal floating-label inputs — scoped to avoid breaking tool inputs */
.lux-card .form-group textarea,
.lux-card .form-group input[type=text],
.lux-card .form-group input[type=number],
.modal-content .form-group input[type=text]{
  width:100%;padding:.8rem 1rem .4rem;
  background:rgba(30,41,59,.7);border:1px solid var(--gold-dim);
  border-radius:.6rem;color:var(--text);font-family:inherit;font-size:.92rem;
}
.lux-card .form-group textarea:focus,
.lux-card .form-group input:focus,
.modal-content .form-group input:focus{outline:none;border-color:rgba(251,191,36,.5)}
.lux-card .form-group label:not(.lux-label),
.modal-content .form-group label:not(.lux-label){position:absolute;left:1rem;top:.75rem;color:#fcd34d88;transition:.25s;pointer-events:none;font-size:.9rem}
.lux-card .form-group,
.modal-content .form-group{position:relative}
.lux-card .form-group textarea:focus+label,.lux-card .form-group textarea:not(:placeholder-shown)+label,
.lux-card .form-group input:focus+label,.lux-card .form-group input:not(:placeholder-shown)+label,
.modal-content .form-group input:focus+label,.modal-content .form-group input:not(:placeholder-shown)+label{top:.2rem;font-size:.68rem;color:var(--gold)}

.file-upload-area{border:2px dashed var(--gold-dim);border-radius:.8rem;padding:1.5rem;text-align:center;cursor:pointer;transition:.3s;background:rgba(30,41,59,.25);margin-bottom:1rem;position:relative}
.file-upload-area:hover{border-color:var(--gold);background:rgba(30,41,59,.45)}
.file-upload-placeholder{cursor:pointer;pointer-events:auto}
.file-upload-placeholder svg{color:var(--gold);margin-bottom:1rem}
.file-upload-placeholder p{color:var(--text);font-size:.95rem;margin-bottom:.3rem}
.file-upload-placeholder span{color:var(--muted);font-size:.82rem}
.folder-trigger{position:absolute;top:50%;right:1rem;transform:translateY(-50%);padding:.5rem;cursor:pointer;color:var(--gold);opacity:.7;transition:.2s}
.folder-trigger:hover{opacity:1}
.file-or-divider{color:var(--muted);font-size:.8rem;margin:.8rem 0}
.file-or-divider span{background:var(--surface);padding:0 .5rem}
.folder-select-btn{width:100%;padding:.75rem;margin-top:.8rem;background:rgba(251,191,36,.1);border:1px solid var(--gold-dim);border-radius:.65rem;color:var(--text);font-size:.9rem;font-family:inherit;cursor:pointer;transition:.2s}
.folder-select-btn:hover{background:rgba(251,191,36,.2);color:var(--gold)}
.file-selected{display:flex;align-items:center;gap:1rem;padding:1rem;background:rgba(251,191,36,.08);border-radius:.6rem}
.file-icon{font-size:2rem}
.file-info{flex:1;text-align:left}
.file-name{color:var(--text);font-weight:600;margin-bottom:.2rem;word-break:break-word}
.file-size{color:var(--muted);font-size:.82rem}
.file-remove{width:26px;height:26px;border-radius:50%;background:rgba(248,113,113,.2);color:#fca5a5;border:1px solid rgba(248,113,113,.35);cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:.2s}
.file-remove:hover{background:rgba(248,113,113,.4);transform:rotate(90deg)}

.received-file{text-align:center;padding:1rem}
.file-icon-large{font-size:3.5rem;margin-bottom:.8rem}
.file-details{margin-bottom:1.2rem}
.file-name-large{color:var(--text);font-size:1rem;font-weight:600;margin-bottom:.4rem;word-break:break-word}
.file-size-large{color:var(--muted);font-size:.88rem}

.reveal-box{margin-top:.7rem;padding:.9rem;background:rgba(15,23,42,.7);border:1px solid var(--border);border-radius:.8rem;position:relative;max-height:160px;overflow:auto}
.reveal-box pre{white-space:pre-wrap;word-break:break-word;font-size:.88rem}
.copy-top{position:absolute;top:.5rem;right:.5rem}
.code-value{font-family:monospace;font-size:1.7rem;letter-spacing:4px;color:var(--gold);display:block;text-align:center;padding:.3rem}

.personal-code-banner{background:linear-gradient(135deg,rgba(251,191,36,.12),rgba(251,191,36,.06));border:1.5px solid var(--gold-dim);border-radius:.8rem;padding:1rem;margin-bottom:1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.banner-content{display:flex;align-items:center;gap:.8rem;flex:1}
.banner-icon{font-size:1.6rem}
.banner-title{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.banner-code{font-family:monospace;font-size:1.3rem;font-weight:700;color:var(--gold);letter-spacing:3px}
.banner-device{font-size:.72rem;color:#64748b;margin-top:.2rem}
.banner-actions{display:flex;flex-direction:column;gap:.4rem}

.personal-inbox{margin-top:1rem;background:rgba(15,23,42,.7);border:1px solid var(--border);border-radius:.8rem;padding:1rem;max-height:380px;overflow-y:auto}
.inbox-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.7rem;border-bottom:1px solid var(--border)}
.inbox-header h3{font-size:.95rem;color:var(--gold);margin:0}
.inbox-item{background:rgba(30,41,59,.5);border:1px solid var(--border);border-radius:.6rem;padding:.75rem;margin-bottom:.5rem;cursor:pointer;transition:.2s}
.inbox-item:hover{background:rgba(30,41,59,.9);border-color:var(--gold-dim);transform:translateX(4px)}
.inbox-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.3rem}
.inbox-item-type{color:var(--gold);font-size:.78rem;font-weight:600}
.inbox-item-time{color:#64748b;font-size:.7rem}
.inbox-item-preview{color:var(--muted);font-size:.82rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.device-item{background:rgba(30,41,59,.5);border:1px solid var(--border);border-radius:.6rem;padding:.9rem;margin-bottom:.7rem;display:flex;justify-content:space-between;align-items:center}
.device-info{flex:1}
.device-name{color:var(--text);font-weight:600;margin-bottom:.25rem}
.device-meta{color:var(--muted);font-size:.78rem}
.device-current{background:rgba(251,191,36,.15);color:var(--gold);padding:.15rem .5rem;border-radius:.3rem;font-size:.68rem;font-weight:600;margin-left:.4rem}
.device-remove{padding:.35rem .7rem;background:rgba(248,113,113,.12);color:#fca5a5;border:1px solid rgba(248,113,113,.3);border-radius:.4rem;cursor:pointer;font-size:.78rem;transition:.2s}
.device-remove:hover{background:rgba(248,113,113,.28)}

#history-list{display:flex;flex-direction:column;gap:.7rem}
.history-item{padding:.9rem;border-radius:.8rem;background:rgba(30,41,59,.6);border:1px solid var(--border)}
.history-meta{display:flex;justify-content:space-between;font-size:.8rem;margin-bottom:.4rem}
.history-type{color:var(--gold);font-weight:600}
.history-key{font-family:monospace;letter-spacing:2px}
.history-time{font-size:.7rem;color:var(--muted);margin-top:.25rem}
.history-item pre{margin-top:.4rem;background:rgba(2,6,23,.8);border:1px solid var(--border);padding:.6rem;border-radius:.4rem;font-size:.82rem;max-height:100px;overflow:auto;white-space:pre-wrap}


/* ── BREATH TIMER ── */
#bt-circle{
  transition:transform 1s ease, box-shadow 1s ease, border-color 1s ease;
}

/* ── LOGO TEXT GEN preview ── */
#ltg-preview{
  transition:all .3s ease;
}

/* ── FOOTER ── */
.lux-footer{text-align:center;padding:1.5rem 1rem;border-top:1px solid var(--border);color:var(--muted);font-size:.78rem}
.lux-footer a{color:var(--gold);text-decoration:none;opacity:.8}
.lux-footer a:hover{opacity:1}

/* ── USERNAME / BIO RESULTS ── */
.ug-item,.bio-item{
  display:flex;justify-content:space-between;align-items:center;
  padding:.7rem 1rem;background:rgba(30,41,59,.5);
  border:1px solid var(--border);border-radius:.6rem;transition:.2s;
}
.ug-item:hover,.bio-item:hover{border-color:var(--gold-dim)}
.ug-name{font-family:monospace;font-size:.95rem;color:var(--text);font-weight:600}
.bio-text{font-size:.88rem;color:var(--text);line-height:1.5;flex:1;padding-right:.8rem}
.copy-small{padding:.3rem .65rem;background:rgba(251,191,36,.12);border:1px solid var(--gold-dim);border-radius:.4rem;color:var(--gold);cursor:pointer;font-size:.75rem;white-space:nowrap;transition:.2s;font-family:inherit}
.copy-small:hover{background:rgba(251,191,36,.25)}

/* ── RESPONSIVE ── */
@media(max-width:600px){
  .tools-grid{grid-template-columns:repeat(2,1fr)}
  .tools-grid-wide{grid-template-columns:repeat(2,1fr)}
  .cards-wrapper{grid-template-columns:1fr}
  .bgrem-grid{grid-template-columns:1fr}
  .bgrem-preview-frame{min-height:200px}
  .bgrem-custom-row{grid-template-columns:1fr}
  .personal-code-banner{flex-direction:column;align-items:flex-start}
  .banner-actions{width:100%;flex-direction:row;flex-wrap:wrap}
  .banner-actions button{flex:1;min-width:70px}
  .tool-overlay-inner{padding:.8rem .8rem 3rem}
}
@media(max-width:400px){
  .tools-grid,.tools-grid-wide{grid-template-columns:1fr}
}

/* ══════════════════════════════════════════════════════
   PIPELINE TOOLS — BG Remover → other image tools
   ══════════════════════════════════════════════════════ */

/* The pipeline section gets a subtle highlight border to
   signal it's now interactive (appears after BG removal) */
#br-pipeline-tools {
  border-color: rgba(251,191,36,.4);
  background: rgba(251,191,36,.05);
  animation: pipelineFadeIn .5s ease both;
}
@keyframes pipelineFadeIn {
  from { opacity:0; transform:translateY(6px); }
  to   { opacity:1; transform:translateY(0); }
}
/* Make button variant of bgrem-link look identical to anchor variant */
button.bgrem-link {
  cursor:pointer;
  font-family:inherit;
  line-height:1;
}
button.bgrem-link:hover {
  background:rgba(251,191,36,.25);
  color:var(--gold);
  transform:translateY(-1px);
}

/* ══════════════════════════════════════════════════════
   UPLOAD PROGRESS BAR  (inside .file-tab)
   ══════════════════════════════════════════════════════ */
#upload-progress-wrap {
  border-radius:.6rem;
  padding:.65rem .8rem;
  background:rgba(15,23,42,.6);
  border:1px solid rgba(251,191,36,.15);
}

/* ══════════════════════════════════════════════════════
   DOWNLOAD PROGRESS BAR  (inside .retrieved-file)
   ══════════════════════════════════════════════════════ */
#download-progress-wrap {
  border-radius:.6rem;
  padding:.65rem .8rem;
  background:rgba(15,23,42,.6);
  border:1px solid rgba(52,211,153,.15);
}

/* Smooth bar transitions for both */
#upload-bar,
#download-bar {
  will-change:width;
}

/* ══════════════════════════════════════════════════════
   IMAGE EDITOR  (Cropper.js integration)
   ══════════════════════════════════════════════════════ */

/* Override Cropper.js default colours to match Lux theme */
.cropper-view-box,
.cropper-face {
  outline-color: var(--gold);
}
.cropper-line,
.cropper-point {
  background-color: var(--gold);
}
.cropper-point.point-se {
  width: 10px;
  height: 10px;
}
.cropper-modal {
  background: rgba(5, 7, 15, 0.6);
}
.cropper-dashed {
  border-color: rgba(251, 191, 36, 0.5);
}
.cropper-center::before,
.cropper-center::after {
  background: var(--gold);
}

/* Editor container */
#ied-img-wrap .cropper-container {
  max-height: 460px;
}

/* Toolbar button active state */
.ied-btn:active {
  transform: scale(0.95);
}

/* ══════════════════════════════════════════════════════
   INBOX OVERLAY — Full-screen modal with centered panel
   ══════════════════════════════════════════════════════ */

/* Full-screen overlay background */
.inbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh; /* Mobile dynamic viewport */
  background: rgba(5, 7, 15, 0.95);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.inbox-overlay:not(.hidden) {
  opacity: 1;
  visibility: visible;
}

.inbox-overlay:not(.hidden) .inbox-panel {
  transform: scale(1);
  opacity: 1;
}

/* Centered panel — mobile full width, desktop constrained */
.inbox-panel {
  width: 100%;
  max-width: 560px;
  height: 100vh;
  height: 100dvh;
  background: rgba(8,12,24,.99);
  border-right: 1px solid var(--border);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  position: relative;
}
.inbox-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(251,191,36,.5), transparent);
  pointer-events: none;
  z-index: 2;
}

@media (min-width: 640px) {
  .inbox-panel {
    border-radius: var(--radius);
    height: 90vh;
    height: 90dvh;
    max-height: 800px;
    margin: auto;
    border: 1px solid var(--border);
  }
  
  .inbox-overlay {
    align-items: center;
    padding: 1rem;
  }
}

/* Sticky header */
.inbox-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: 1rem 1.25rem;
  background: rgba(8,12,24,.96);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .inbox-panel .inbox-header {
    padding-top: calc(1rem + env(safe-area-inset-top, 0px));
  }

  #ct-time {
    font-size: clamp(2rem, 14vw, 4.5rem);
    white-space: nowrap;
    overflow: hidden;
    line-height: 1.2;
  }

  #ct-sw-display,
  #ct-timer-display {
    font-size: clamp(2rem, 14vw, 4.5rem); /* Adjust as needed for optimal fit */
    white-space: nowrap;
    overflow: hidden;
    line-height: 1.2;
  }
}

.inbox-header-left {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-width: 0;
}

.inbox-header-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(251,191,36,.12);
  border: 1px solid rgba(251,191,36,.25);
  border-radius: .6rem;
  font-size: 1.1rem;
}

.inbox-header h2 {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gold);
  margin: 0;
  line-height: 1.2;
}

.inbox-header-sub {
  font-size: .72rem;
  color: var(--muted);
  margin-top: .1rem;
}

.inbox-close-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: .35rem;
  background: transparent;
  border: 1px solid rgba(251,191,36,.2);
  color: var(--muted);
  padding: 0.42rem 0.9rem;
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.inbox-close-btn:hover {
  background: rgba(251,191,36,.1);
  border-color: rgba(251,191,36,.45);
  color: var(--gold);
}

/* Search bar */
.inbox-search {
  padding: 1rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.inbox-search input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.inbox-search input::placeholder {
  color: var(--muted);
}

.inbox-search input:focus {
  border-color: var(--gold);
}

/* Sort bar */
.inbox-sort {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.inbox-sort label {
  font-size: 0.875rem;
  color: var(--muted);
  white-space: nowrap;
}

.inbox-sort select {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s ease;
}

.inbox-sort select:focus {
  border-color: var(--gold);
}

.inbox-sort select option {
  background: var(--surface);
  color: var(--text);
}

/* Scrollable content area — ONLY this scrolls */
.inbox-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.5rem;
  scroll-behavior: smooth;
}

/* Hide scrollbar on Webkit browsers but keep functionality */
.inbox-content::-webkit-scrollbar {
  width: 6px;
}

.inbox-content::-webkit-scrollbar-track {
  background: transparent;
}

.inbox-content::-webkit-scrollbar-thumb {
  background: rgba(251, 191, 36, 0.3);
  border-radius: 3px;
}

.inbox-content::-webkit-scrollbar-thumb:hover {
  background: rgba(251, 191, 36, 0.5);
}

/* Inbox item styling */
.inbox-item {
  padding: 1rem 1.25rem;
  margin: 0.5rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.inbox-item:hover {
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(30, 41, 59, 0.8);
  transform: translateY(-1px);
}

.inbox-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.inbox-type {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: rgba(251, 191, 36, 0.15);
  color: var(--gold);
}

.inbox-type.text { background: rgba(52, 211, 153, 0.15); color: #34d399; }
.inbox-type.link { background: rgba(96, 165, 250, 0.15); color: #60a5fa; }
.inbox-type.file { background: rgba(251, 191, 36, 0.15); color: var(--gold); }

.inbox-date {
  font-size: 0.75rem;
  color: var(--muted);
}

.inbox-preview {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Inbox actions (copy/download buttons) */
.inbox-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.inbox-copy-btn,
.inbox-download-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.inbox-copy-btn:hover,
.inbox-download-btn:hover {
  background: rgba(251, 191, 36, 0.1);
  border-color: var(--gold);
  color: var(--gold);
}

.inbox-copy-btn:disabled,
.inbox-download-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Download progress bar in inbox item */
.inbox-download-progress {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.inbox-download-progress.hidden {
  display: none;
}

.inbox-progress-track {
  flex: 1;
  height: 6px;
  background: var(--surface2);
  border-radius: 3px;
  overflow: hidden;
}

.inbox-progress-bar {
  height: 100%;
  background: var(--gold);
  width: 0%;
  transition: width 0.2s ease;
}

.inbox-progress-text {
  font-size: 0.75rem;
  color: var(--muted);
  min-width: 35px;
  text-align: right;
}

/* Empty state */
.inbox-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--muted);
}

.inbox-empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Body scroll lock when overlay is open */
body.inbox-open {
  overflow: hidden !important;
}

/* Body scroll lock when any tool overlay or modal is active */
body.tool-open {
  overflow: hidden !important;
}

/* ══════════════════════════════════════════════════════
   CALCULATOR RESPONSIVENESS
   ══════════════════════════════════════════════════════ */

.calc-tool-page {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--app-nav-h)); /* Use full viewport height minus nav */
  overflow: hidden; /* Prevent scrolling on the tool page itself */
}

.calc-panel-inner {
  flex-grow: 1; /* Allow panel to take available vertical space */
  display: flex;
  flex-direction: column;
  max-height: 100%; /* Ensure it doesn't overflow its parent */
  overflow: hidden; /* Hide overflow within the panel, let inner elements manage */
  padding: 1rem; /* Adjust padding for responsiveness */
  max-width: 400px; /* Balanced width for basic mode */
  transition: max-width .25s ease; /* Add transition for smooth resizing */
}

.calc-panel-inner.scientific-mode {
  max-width: 650px; /* Expanded width for desktop scientific view */
}

.calc-top-controls {
  margin-bottom: 0.6rem !important; /* Tighter spacing */
}

.calc-display-area {
  flex-shrink: 0; /* Prevent display from shrinking */
  margin-bottom: 0.8rem !important; /* Tighter spacing */
  padding: 0.8rem 1rem !important; /* Tighter padding */
}

#calc-expr {
  font-size: clamp(0.7rem, 1.8vh, 0.8rem) !important; /* Responsive font size */
  min-height: 1.1rem !important;
}

#calc-result {
  font-size: clamp(1.8rem, 4.5vh, 2.2rem) !important; /* Responsive font size */
}

.calc-button-grid {
  flex-grow: 1; /* Allow button grids to take available space */
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.3rem, 1vh, 0.5rem) !important; /* Responsive gap */
  margin-bottom: clamp(0.3rem, 1vh, 0.5rem) !important; /* Responsive margin */
}

.calc-main-grid {
  flex-grow: 2; /* Give main grid more space */
}

.calc-btn {
  padding: clamp(0.6rem, 2.5vh, 1rem) !important; /* Responsive padding */
  font-size: clamp(0.9rem, 2.8vh, 1.1rem) !important; /* Responsive font size */
}

.calc-btn.mem {
  font-size: clamp(0.65rem, 1.8vh, 0.72rem) !important; /* Smaller font for memory buttons */
  padding: clamp(0.4rem, 1.5vh, 0.5rem) !important;
}

#calc-history-wrap {
  flex-shrink: 0; /* Prevent history from shrinking */
  margin-top: 0.8rem !important; /* Tighter spacing */
  padding-top: 0.8rem !important;
  max-height: clamp(80px, 20vh, 180px) !important; /* Responsive max-height */
  overflow-y: auto !important; /* Allow history to scroll if needed */
}

#calc-history-list .hist-item {
  padding: 0.4rem !important; /* Tighter padding for history items */
  font-size: clamp(0.65rem, 1.5vh, 0.75rem) !important;
}

#calc-history-list .hist-item div {
  font-size: clamp(0.65rem, 1.5vh, 0.75rem) !important;
}

/* Specific adjustments for very short screens (e.g., landscape mobile) */
@media (max-height: 600px) {
  .calc-panel-inner {
    padding: 0.8rem;
  }
  .calc-display-area {
    margin-bottom: 0.6rem !important;
    padding: 0.6rem 0.8rem !important;
  }
  #calc-expr {
    font-size: clamp(0.6rem, 1.5vh, 0.7rem) !important;
    min-height: 1rem !important;
  }
  #calc-result {
    font-size: clamp(1.5rem, 3.5vh, 1.8rem) !important;
  }
  .calc-top-controls {
    margin-bottom: 0.4rem !important;
  }
  .calc-button-grid {
    gap: 0.2rem !important;
    margin-bottom: 0.2rem !important;
  }
  .calc-btn {
    padding: clamp(0.4rem, 2vh, 0.8rem) !important;
    font-size: clamp(0.75rem, 2.2vh, 1rem) !important;
  }
  .calc-btn.sci {
    font-size: clamp(0.6rem, 1.5vh, 0.75rem) !important;
    padding: clamp(0.3rem, 1.2vh, 0.5rem) clamp(0.1rem, 0.8vh, 0.3rem) !important;
  }
  .calc-btn.mem {
    font-size: clamp(0.55rem, 1.2vh, 0.65rem) !important;
    padding: clamp(0.3rem, 1.2vh, 0.4rem) !important;
  }
  #calc-history-wrap {
    margin-top: 0.6rem !important;
    padding-top: 0.6rem !important;
    max-height: clamp(60px, 15vh, 120px) !important;
  }
}

/* ── REACTION TEST ENHANCEMENTS ── */
.rt-graph-bar {
  flex: 1;
  background: var(--gold-dim);
  border-radius: 3px 3px 0 0;
  transition: height 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.3s;
}
.rt-rating-elite { color: #22c55e !important; text-shadow: 0 0 10px rgba(34,197,94,.3); }
.rt-rating-fast { color: var(--gold) !important; }
.rt-rating-average { color: var(--muted) !important; }
.rt-rating-slow { color: #f87171 !important; }

/* Ensure the panel itself doesn't have a fixed max-width on very small screens */
@media (max-width: 480px) {
  .calc-panel-inner {
    max-width: 100%;
  }
}