.calc-alicia{
  --ca-paper:#F7F8FC; --ca-paper-alt:#EFF2FC; --ca-ink:#1B2140; --ca-ink-soft:#4B5171;
  --ca-primary:#2E4BF2; --ca-primary-dark:#1E34B8; --ca-accent:#F5A623; --ca-accent-soft:#FDECC8;
  --ca-red:#E1483C; --ca-green:#1FA97A; --ca-line:#D8DEF3; --ca-white:#FFFFFF;
  font-family:'Inter',-apple-system,sans-serif; color:var(--ca-ink);
  max-width:340px; margin:0 auto;
}
.calc-alicia[data-theme="dark"]{
  --ca-paper:#12162B; --ca-paper-alt:#191F3D; --ca-ink:#EEF1FF; --ca-ink-soft:#AEB4DA;
  --ca-line:#2B3363; --ca-white:#1B2140; --ca-accent-soft:#3A2E14;
}
.calc-alicia *, .calc-alicia *::before, .calc-alicia *::after{ box-sizing:border-box; }
.calc-alicia .ca-wrap{ position:relative; }
.calc-alicia .ca-wrap::before{
  content:""; position:absolute; inset:-12px; z-index:0; border-radius:26px;
  background:radial-gradient(ellipse at 50% 0%, rgba(46,75,242,.20), transparent 70%);
}
.calc-alicia .ca-device{
  position:relative; z-index:1; background:var(--ca-white); border-radius:18px;
  box-shadow:0 18px 42px rgba(27,33,64,.18), 0 3px 10px rgba(27,33,64,.08);
  border:1px solid var(--ca-line); overflow:hidden;
}
.calc-alicia .ca-topbar{
  display:flex; align-items:center; justify-content:space-between; padding:10px 12px;
  background:var(--ca-ink); color:#fff;
}
.calc-alicia .ca-name{
  font-family:'Space Mono',monospace; font-size:11px; letter-spacing:.04em;
  display:flex; align-items:center; gap:6px;
}
.calc-alicia .ca-lamp{ width:6px; height:6px; border-radius:50%; background:var(--ca-green); box-shadow:0 0 6px var(--ca-green); }
.calc-alicia .ca-topbar-actions{ display:flex; gap:6px; }
.calc-alicia .ca-text-btn{
  padding:6px 10px; border-radius:7px; border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08); color:#fff; font-family:'Inter',sans-serif; font-weight:700;
  font-size:.66rem; letter-spacing:.02em; cursor:pointer; white-space:nowrap; flex-shrink:0;
  transition:background .15s;
}
.calc-alicia .ca-text-btn:hover{ background:rgba(255,255,255,.18); }
.calc-alicia .ca-icon-btn:hover{ background:rgba(255,255,255,.16); }

.calc-alicia .ca-tabs{ display:flex; overflow-x:auto; background:var(--ca-paper-alt); border-bottom:1px solid var(--ca-line); }
.calc-alicia .ca-tab{
  flex:1; min-width:max-content; padding:8px 9px; font-weight:700; font-size:.66rem;
  color:var(--ca-ink-soft); background:none; border:none; cursor:pointer; border-bottom:2px solid transparent; white-space:nowrap;
}
.calc-alicia .ca-tab.active{ color:var(--ca-primary); border-bottom-color:var(--ca-primary); background:var(--ca-white); }

.calc-alicia .ca-panel{ display:none; padding:12px; }
.calc-alicia .ca-panel.active{ display:block; }

.calc-alicia .ca-display{ background:var(--ca-ink); border-radius:12px; padding:12px 10px; margin-bottom:10px; min-height:52px; }
.calc-alicia .ca-expr{ color:#9AA5E8; font-family:'Space Mono',monospace; font-size:.68rem; min-height:14px; word-break:break-all; }
.calc-alicia .ca-val{ color:#fff; font-family:'Space Mono',monospace; font-size:1.35rem; font-weight:700; text-align:right; word-break:break-all; }

.calc-alicia .ca-keypad{ display:grid; grid-template-columns:repeat(4,1fr); gap:6px; margin-bottom:6px; }
.calc-alicia .ca-key{
  font-family:'Space Mono',monospace; font-size:.82rem; font-weight:700; padding:10px 0; border-radius:9px;
  border:1px solid var(--ca-line); background:var(--ca-paper-alt); color:var(--ca-ink); cursor:pointer; transition:all .12s ease;
}
.calc-alicia .ca-key:hover{ transform:translateY(-1px); }
.calc-alicia .ca-key.ca-op{ background:var(--ca-white); border-color:var(--ca-primary); color:var(--ca-primary); }
.calc-alicia .ca-key.ca-fn{ background:var(--ca-white); border-color:var(--ca-accent); color:#B57200; }
.calc-alicia .ca-key.ca-eq{ background:var(--ca-primary); color:#fff; border-color:var(--ca-primary); grid-column:span 2; }
.calc-alicia .ca-key.ca-eq:hover{ background:var(--ca-primary-dark); }
.calc-alicia .ca-key.ca-clear{ background:var(--ca-red); color:#fff; border-color:var(--ca-red); }
.calc-alicia .ca-key.ca-wide{ grid-column:span 2; }

.calc-alicia .ca-error{ color:var(--ca-red); font-size:.7rem; font-weight:600; margin:5px 2px; min-height:16px; }
.calc-alicia .ca-hint{ font-size:.72rem; color:var(--ca-ink-soft); margin:0 0 10px; }

.calc-alicia .ca-steps{
  margin-top:10px; border-radius:11px; border:1px solid var(--ca-line);
  background:repeating-linear-gradient(var(--ca-white) 0 21px, var(--ca-line) 21px 22px);
  position:relative; padding:10px 10px 10px 22px; max-height:200px; overflow-y:auto;
}
.calc-alicia .ca-steps::before{ content:""; position:absolute; left:15px; top:0; bottom:0; width:2px; background:var(--ca-red); opacity:.5; }
.calc-alicia .ca-steps-title{ font-family:'Space Mono',monospace; font-size:9.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--ca-ink-soft); margin-bottom:6px; }
.calc-alicia .ca-step-line{ font-family:'Space Mono',monospace; font-size:.7rem; color:var(--ca-ink); padding:2px 0 2px 3px; line-height:21px; opacity:0; animation:caStepIn .3s ease forwards; }
@keyframes caStepIn{ from{opacity:0; transform:translateX(-5px);} to{opacity:1; transform:translateX(0);} }
.calc-alicia .ca-step-result{ margin-top:5px; padding-top:6px; border-top:1px dashed var(--ca-line); font-family:'Space Mono',monospace; font-weight:700; color:var(--ca-green); font-size:.78rem; }
.calc-alicia .ca-empty{ color:var(--ca-ink-soft); font-size:.7rem; font-style:italic; }

.calc-alicia .ca-fields{ display:grid; gap:8px; margin-bottom:10px; }
.calc-alicia .ca-fields.ca-two-col{ grid-template-columns:1fr 1fr; }
.calc-alicia .ca-fields label{ font-size:.66rem; font-weight:700; color:var(--ca-ink-soft); display:block; margin-bottom:4px; }
.calc-alicia .ca-fields input, .calc-alicia .ca-fields select{
  width:100%; padding:8px 9px; border-radius:8px; border:1px solid var(--ca-line);
  font-family:'Space Mono',monospace; font-size:.78rem; background:var(--ca-paper-alt); color:var(--ca-ink);
}
.calc-alicia .ca-mlabel{ font-size:.66rem; font-weight:700; color:var(--ca-ink-soft); display:block; margin-bottom:4px; }
.calc-alicia .ca-matrix-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:6px; max-width:130px; }
.calc-alicia .ca-matrix-grid input{ text-align:center; padding:6px 0; border-radius:7px; border:1px solid var(--ca-line); font-family:'Space Mono',monospace; background:var(--ca-paper-alt); color:var(--ca-ink); }

.calc-alicia .ca-mini-btn{
  padding:9px 16px; border-radius:8px; border:none; background:var(--ca-primary); color:#fff;
  font-weight:700; cursor:pointer; font-family:'Inter',sans-serif; margin-bottom:4px; font-size:.82rem;
}
.calc-alicia .ca-mini-btn:hover{ background:var(--ca-primary-dark); }
.calc-alicia .ca-accent-btn{ background:var(--ca-accent); color:#5c3d00; }