/* NoteShuttle 75% attendance calculator. Pairs with calculator.js. */
.calc-panel,
#calc-form,
#calc-form *,
#calc-form *::before,
#calc-form *::after { box-sizing: border-box; }

.calc-panel {
  padding: clamp(18px, 4vw, 30px);
  border: 1px solid var(--light-line);
  border-radius: var(--radius-lg);
  background: var(--card);
  color: var(--card-ink);
  box-shadow: var(--shadow);
}

#calc-form { margin: 0; }

#calc-form .calc-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0 0 16px;
}

#calc-form .calc-field { min-width: 0; margin: 0; }

#calc-form label {
  display: block;
  margin: 0 0 6px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.4;
  color: inherit;
}

#calc-form input {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  margin: 0 0 14px;
  padding: 11px 13px;
  border: 1.5px solid var(--light-line);
  border-radius: 12px;
  background: var(--card);
  color: var(--card-ink);
  font: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
  transition: border-color .15s ease, box-shadow .15s ease;
}

#calc-form .calc-field input,
#calc-form label > input { margin-bottom: 0; }

#calc-form input::placeholder { color: #7E978C; opacity: 1; }
#calc-form input:hover { border-color: #B9D9CC; }

#calc-form input:focus {
  border-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(18, 185, 129, .16);
}

#calc-form button[type="submit"],
#calc-form .calc-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--emerald-2);
  border-radius: 12px;
  background: var(--ink);
  color: var(--mint);
  font: inherit;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
}

#calc-form button[type="submit"]:hover,
#calc-form .calc-submit:hover { background: var(--ink-3); }

#calc-percent {
  display: inline-block;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 7vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--emerald-2);
  font-variant-numeric: tabular-nums;
}

#calc-percent[data-level="good"] { color: var(--emerald-2); }
#calc-percent[data-level="warn"] { color: #A45F00; }
#calc-percent[data-level="bad"] { color: #B42B2B; }

#calc-miss,
#calc-needed {
  font-weight: 800;
  font-size: 1.12rem;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

#calc-verdict {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

#calc-error {
  margin: 12px 0 0;
  padding: 10px 12px;
  border: 1px solid #A33A3A;
  border-radius: 12px;
  background: #5C1A1A;
  color: #FFE4E4;
  font-size: .86rem;
  font-weight: 600;
  line-height: 1.45;
}

#calc-error[data-kind="warn"] {
  border-color: #9A7300;
  background: #4E3A00;
  color: #FFE9B0;
}

#calc-error[hidden] { display: none; }

.calc-disclaimer {
  margin: 10px 0 0;
  font-size: .78rem;
  line-height: 1.45;
  opacity: .72;
}

.calc-panel :focus-visible,
#calc-form :focus-visible {
  outline: 2px solid var(--emerald-2);
  outline-offset: 3px;
}

.calc-panel :where(a, button):focus-visible,
#calc-form :where(a, button):focus-visible { outline-color: var(--lime); }

@media (min-width: 600px) {
  #calc-form .calc-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  #calc-form input { transition: none; }
}