/* Mini tools (converters) for graphingcalculator.dev — no external fonts/images.
   White tool card on the same dark stage the TI-84 device uses. */


.mini-tool {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 22px 20px;
  box-shadow: 0 14px 34px rgba(2, 6, 23, .35);
  color: #0f172a;
}
.mini-title {
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1.3;
  color: #0f172a;
}
.mini-sub {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.55;
  color: #475569;
}
.mini-row {
  display: flex;
  gap: 8px;
}
.mini-input {
  flex: 1;
  min-width: 0;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  color: #0f172a;
  background: #f8fafc;
}
.mini-input:focus {
  outline: 2px solid #0d9488;
  outline-offset: 1px;
  background: #fff;
}
.mini-btn {
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: #0d9488;
  border: 1px solid #0f766e;
  border-radius: 8px;
  padding: 10px 18px;
  cursor: pointer;
  white-space: nowrap;
}
.mini-btn:hover { background: #0f766e; }
.mini-btn:focus-visible { outline: 2px solid #5eead4; outline-offset: 1px; }
.mini-modes {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.mini-mode {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
}
.mini-mode.active {
  color: #fff;
  background: #0d9488;
  border-color: #0f766e;
}
.mini-result {
  margin-top: 16px;
  font-size: 17px;
  line-height: 1.5;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
  border-radius: 10px;
  padding: 12px 14px;
  word-break: break-word;
}
.mini-small {
  font-size: 13px;
  color: #475569;
}
.mini-steps {
  margin: 14px 0 0;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.6;
  color: #334155;
}
.mini-steps li { margin-bottom: 4px; }

@media (max-width: 480px) {
  .mini-tool { padding: 18px 14px; }
  .mini-row { flex-direction: column; }
  .mini-btn { width: 100%; }
}

/* dark theme */
:root[data-theme=dark] .mini-tool { background: #111a2e; border-color: #25324d; color: #e2e8f0; }
:root[data-theme=dark] .mini-title { color: #f1f5f9; }
:root[data-theme=dark] .mini-sub, :root[data-theme=dark] .mini-small { color: #94a3b8; }
:root[data-theme=dark] .mini-input { background: #0b1220; border-color: #334155; color: #e2e8f0; }
:root[data-theme=dark] .mini-input:focus { background: #0f1829; }
:root[data-theme=dark] .mini-result { background: #0d2a2a; border-color: #115e59; color: #e2e8f0; }