/* ============================================================
   FORM.CSS — Abstract Submission Form
   ============================================================ */

/* ——— Page layout ——— */
.cfp-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 900px) {
  .cfp-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* ——— Info sidebar ——— */
.cfp-info__section {
  margin-bottom: 2rem;
}

.cfp-info__section-title {
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-slate);
  margin-bottom: 0.75rem;
}

.cfp-area-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cfp-area-item {
  padding: 0.65rem 0.85rem;
  border-left: 3px solid var(--color-forest);
  background-color: var(--color-forest-10);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.cfp-area-item__label {
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-forest);
  display: block;
  margin-bottom: 0.15rem;
}

.cfp-area-item__desc {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  color: var(--color-slate);
  line-height: 1.4;
}

.cfp-guideline-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cfp-guideline-item {
  display: flex;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: var(--color-slate);
  line-height: 1.5;
}

.cfp-guideline-item::before {
  content: '→';
  color: var(--color-forest);
  flex-shrink: 0;
  font-family: var(--font-heading);
}

/* ——— Form container ——— */
.submission-form-wrap {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-deep-08);
}

@media (max-width: 560px) {
  .submission-form-wrap {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }
}

/* ——— Form group header ——— */
.form-group-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-deep-08);
}

.form-group-header + .form-group-header {
  margin-top: 2rem;
}

.form-group-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-forest);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--text-caption);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-group-title {
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-slate);
}

/* ——— Form fieldsets ——— */
.form-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

/* ——— Field ——— */
.form-field {
  margin-bottom: 1.25rem;
}

.form-field:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-deep);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: var(--color-amber);
  margin-left: 0.2rem;
}

.form-hint {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-caption);
  color: var(--color-slate);
  opacity: 0.7;
  margin-bottom: 0.4rem;
}

/* ——— Input / Select / Textarea ——— */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid rgba(74, 85, 104, 0.3);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-deep);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.5;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-forest);
  box-shadow: 0 0 0 3px var(--color-forest-15);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-amber);
  box-shadow: 0 0 0 3px var(--color-amber-10);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* Select arrow */
.form-select-wrap {
  position: relative;
}

.form-select-wrap::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--color-slate);
  pointer-events: none;
}

/* ——— Char counter ——— */
.form-char-counter {
  display: flex;
  justify-content: flex-end;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-slate);
  opacity: 0.5;
  margin-top: 0.35rem;
}

/* ——— Radio group ——— */
.form-radio-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.form-radio-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-radio-item input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-forest);
  cursor: pointer;
}

.form-radio-item label {
  font-family: var(--font-heading);
  font-size: var(--text-small);
  color: var(--color-deep);
  cursor: pointer;
}

/* ——— Checkbox ——— */
.form-checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background-color: var(--color-deep-05);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-deep-08);
}

.form-checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 0.1rem;
  accent-color: var(--color-forest);
  cursor: pointer;
}

.form-checkbox-item label {
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: var(--color-slate);
  line-height: 1.5;
  cursor: pointer;
}

/* ——— Field error message ——— */
.form-error-msg {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-caption);
  color: var(--color-amber);
  margin-top: 0.3rem;
}

/* ——— Submit button ——— */
.form-submit-wrap {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-submit-btn {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  justify-content: center;
  min-height: 52px;
}

.form-submit-btn .spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spinnerRotate 0.7s linear infinite;
}

/* ——— Success & error banners ——— */
.form-success-banner,
.form-error-banner {
  display: none;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-small);
  line-height: 1.6;
}

.form-success-banner.is-visible,
.form-error-banner.is-visible {
  display: flex;
}

.form-success-banner {
  background-color: var(--color-forest-10);
  border: 1px solid rgba(45, 106, 79, 0.25);
  color: var(--color-forest);
}

.form-error-banner {
  background-color: var(--color-amber-10);
  border: 1px solid rgba(224, 123, 57, 0.3);
  color: #a0531e;
}

/* ——— Two-column fields on wider screens ——— */
@media (min-width: 560px) {
  .form-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}