/* ITACEC Donation Form — styles
   Design concept: a giving "ledger" — the shape of a cheque stub / school
   report card, not a generic SaaS card. Ink green + marigold, warm paper.
*/

.itacec-donate {
  --idf-ink: #1E3D2F;
  --idf-ink-soft: #2C4E3D;
  --idf-paper: #F6F4EC;
  --idf-paper-raised: #FCFBF7;
  --idf-line: #D9D2BE;
  --idf-muted: #6B7A6F;
  --idf-marigold: #E2A33B;
  --idf-marigold-deep: #C7862260;
  --idf-clay: #B95A3C;
  --idf-error: #B93C3C;
  --idf-radius: 4px;
  --idf-font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --idf-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  font-family: var(--idf-font-body);
  color: var(--idf-ink);
  max-width: 560px;
  margin: 0 auto;
  box-sizing: border-box;
}
.itacec-donate *, .itacec-donate *::before, .itacec-donate *::after { box-sizing: inherit; }

.idf-card {
  background: var(--idf-paper);
  border: 1px solid var(--idf-line);
  border-radius: var(--idf-radius);
  padding: 2.25rem 2rem 2rem;
  position: relative;
}

/* Stub perforation motif along the top — ties to the "receipt" concept,
   used exactly once, not repeated as decoration elsewhere. */
.idf-card::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background-image: linear-gradient(to right, var(--idf-line) 60%, transparent 0%);
  background-position: top;
  background-size: 10px 1px;
  background-repeat: repeat-x;
}

.idf-heading {
  font-family: var(--idf-font-display);
  font-weight: 600;
  font-size: 1.7rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 0.4rem;
  max-width: 30ch;
}

.idf-sub {
  font-size: 0.95rem;
  color: var(--idf-muted);
  margin: 0 0 1.75rem;
  max-width: 42ch;
  line-height: 1.5;
}

.idf-field-label {
  display: block;
  font-size: 0.8rem;
  color: var(--idf-muted);
  margin-bottom: 0.6rem;
  font-weight: 500;
}

/* Amount ledger — presets styled like stub tabs with a handwritten-feeling
   numeral, not uniform rounded chips. */
.idf-amounts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}

.idf-amount-btn {
  font-family: var(--idf-font-body);
  background: var(--idf-paper-raised);
  border: 1px solid var(--idf-line);
  border-radius: var(--idf-radius);
  padding: 0.7rem 0.5rem 0.6rem;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.idf-amount-btn:hover { border-color: var(--idf-ink-soft); }
.idf-amount-btn .idf-amt-num {
  display: block;
  font-family: var(--idf-font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.1;
}
.idf-amount-btn .idf-amt-note {
  display: block;
  font-size: 0.72rem;
  color: var(--idf-muted);
  margin-top: 0.15rem;
}
.idf-amount-btn.is-active {
  background: var(--idf-ink);
  border-color: var(--idf-ink);
  color: var(--idf-paper);
}
.idf-amount-btn.is-active .idf-amt-note { color: #C9D6CC; }
.idf-amount-btn.is-active .idf-amt-num { color: var(--idf-marigold); }

.idf-amount-btn:focus-visible,
.idf-input:focus-visible,
.idf-select:focus-visible,
.idf-submit:focus-visible {
  outline: 2px solid var(--idf-ink);
  outline-offset: 2px;
}

/* Custom amount — styled like a cheque amount line */
.idf-custom-row {
  display: flex;
  align-items: baseline;
  border-bottom: 1.5px solid var(--idf-ink);
  padding-bottom: 0.35rem;
  margin-bottom: 1.6rem;
}
.idf-currency {
  font-family: var(--idf-font-display);
  font-size: 1.1rem;
  color: var(--idf-muted);
  margin-right: 0.4rem;
}
.idf-custom-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--idf-font-display);
  font-size: 1.3rem;
  color: var(--idf-ink);
  padding: 0.1rem 0;
}
.idf-custom-input:focus { outline: none; }
.idf-custom-input::placeholder { color: #A9A088; font-family: var(--idf-font-body); font-size: 1rem; }

.idf-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 1.6rem;
  display: grid;
  gap: 0.9rem;
}
.idf-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
@media (max-width: 420px) { .idf-row-2 { grid-template-columns: 1fr; } }

.idf-input, .idf-select {
  width: 100%;
  font-family: var(--idf-font-body);
  font-size: 0.95rem;
  color: var(--idf-ink);
  background: var(--idf-paper-raised);
  border: 1px solid var(--idf-line);
  border-radius: var(--idf-radius);
  padding: 0.65rem 0.75rem;
}
.idf-input::placeholder { color: #9A9481; }
.idf-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7A6F' stroke-width='1.5' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.75rem center; padding-right: 2rem; }

.idf-error-text {
  font-size: 0.8rem;
  color: var(--idf-error);
  min-height: 1.1em;
  margin-top: -0.4rem;
}

.idf-submit {
  width: 100%;
  font-family: var(--idf-font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--idf-paper);
  background: var(--idf-ink);
  border: none;
  border-radius: var(--idf-radius);
  padding: 0.9rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: background 0.15s ease;
}
.idf-submit:hover { background: var(--idf-ink-soft); }
.idf-submit:disabled { cursor: default; opacity: 0.85; }

.idf-spinner {
  width: 16px; height: 16px;
  border: 2px solid #ffffff55;
  border-top-color: var(--idf-paper);
  border-radius: 50%;
  animation: idf-spin 0.7s linear infinite;
  display: none;
}
.idf-submit.is-loading .idf-spinner { display: inline-block; }
.idf-submit.is-loading .idf-submit-label { opacity: 0.85; }
@keyframes idf-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .idf-spinner { animation-duration: 1.4s; }
}

.idf-trust {
  margin-top: 1.1rem;
  font-size: 0.78rem;
  color: var(--idf-muted);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}
.idf-trust svg { flex-shrink: 0; }

.idf-form-error {
  background: #FBEAE6;
  border: 1px solid #E4B3A6;
  color: var(--idf-error);
  font-size: 0.85rem;
  padding: 0.65rem 0.8rem;
  border-radius: var(--idf-radius);
  margin-bottom: 1rem;
  display: none;
}
.idf-form-error.is-visible { display: block; }

/* Honeypot — hidden from real visitors */
.idf-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }