/* ================================================================
   OBIETTIVO OTTICA — Form Styles
   ================================================================ */

/* ================================================================
   FORM LAYOUT
   ================================================================ */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 24px;
}

.form-col-full { grid-column: 1 / -1; }
.form-col-half { grid-column: span 1; }

/* ================================================================
   FORM GROUPS
   ================================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--c-text);
  font-family: var(--f-sans);
}

.form-label .req {
  color: var(--c-accent);
  margin-left: 2px;
}

.form-hint {
  font-size: 12px;
  color: var(--c-muted);
  font-family: var(--f-mono);
}

/* ================================================================
   TEXT INPUTS
   ================================================================ */

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: var(--t-sm);
  font-family: var(--f-sans);
  color: var(--c-text);
  line-height: 1.4;
  transition: border-color 200ms ease, box-shadow 200ms ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #BABAB7;
  font-style: italic;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: #BABAB7;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(200,162,75,0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #D44;
}

.form-input.valid,
.form-select.valid,
.form-textarea.valid {
  border-color: #4A9B6E;
}

/* ================================================================
   SELECT
   ================================================================ */

.form-select-wrap {
  position: relative;
}

.form-select-wrap::after {
  content: '';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--c-muted);
  pointer-events: none;
}

.form-select { padding-right: 36px; cursor: pointer; }

/* ================================================================
   TEXTAREA
   ================================================================ */

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* ================================================================
   RADIO & CHECKBOX GROUPS
   ================================================================ */

.radio-group,
.check-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.radio-item,
.check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  position: relative;
  user-select: none;
}

.radio-item input[type="radio"],
.check-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-custom,
.check-custom {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--c-border);
  background: var(--c-bg);
  flex-shrink: 0;
  transition: border-color 200ms ease, background 200ms ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radio-custom { border-radius: 50%; }
.check-custom { border-radius: 2px; }

.radio-item input:checked ~ .radio-custom {
  border-color: var(--c-accent);
  background: var(--c-accent);
  box-shadow: inset 0 0 0 3px var(--c-bg);
}

.check-item input:checked ~ .check-custom {
  border-color: var(--c-accent);
  background: var(--c-accent);
}

.check-item input:checked ~ .check-custom::after {
  content: '';
  display: block;
  width: 8px;
  height: 5px;
  border-left: 1.5px solid #fff;
  border-bottom: 1.5px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
}

.radio-label,
.check-label {
  font-size: var(--t-sm);
  color: var(--c-text);
  line-height: 1.3;
  cursor: pointer;
}

/* Radio/Check as styled pills */
.radio-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.radio-pill {
  position: relative;
}

.radio-pill input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}

.radio-pill label {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--c-border);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  cursor: pointer;
  transition: border-color 200ms, color 200ms, background 200ms;
  border-radius: var(--radius);
  user-select: none;
}

.radio-pill input:checked + label {
  border-color: var(--c-primary);
  color: var(--c-primary);
  font-weight: 600;
}

.radio-pill label:hover {
  border-color: var(--c-primary);
  color: var(--c-text);
}

/* ================================================================
   CHECKBOXES FOR CATEGORIES (grid layout)
   ================================================================ */

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

@media (min-width: 640px) {
  .check-grid { grid-template-columns: repeat(4, 1fr); }
}

.check-tile {
  position: relative;
}

.check-tile input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}

.check-tile label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  border: 1px solid var(--c-border);
  text-align: center;
  gap: 4px;
  cursor: pointer;
  transition: border-color 200ms, background 200ms;
  border-radius: var(--radius);
  user-select: none;
}

.check-tile label span {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  text-transform: uppercase;
}

.check-tile label i {
  font-size: 18px;
  color: var(--c-muted);
  transition: color 200ms;
}

.check-tile input:checked + label {
  border-color: var(--c-accent);
  background: rgba(200,162,75,0.06);
}

.check-tile input:checked + label i,
.check-tile input:checked + label span {
  color: var(--c-accent);
}

.check-tile label:hover {
  border-color: var(--c-muted);
}

/* ================================================================
   FILE UPLOAD
   ================================================================ */

.file-upload-wrap {
  position: relative;
}

.file-upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 2;
}

.file-upload-area {
  border: 1px dashed var(--c-border);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: border-color 200ms, background 200ms;
  cursor: pointer;
  background: var(--c-bg);
}

.file-upload-wrap:hover .file-upload-area,
.file-upload-wrap.dragover .file-upload-area {
  border-color: var(--c-accent);
  background: rgba(200,162,75,0.04);
}

.file-upload-icon {
  color: var(--c-muted);
  font-size: 24px;
  flex-shrink: 0;
}

.file-upload-text { flex: 1; }
.file-upload-title { font-size: var(--t-sm); font-weight: 500; color: var(--c-text); }
.file-upload-hint  { font-size: var(--t-xs); color: var(--c-muted); font-family: var(--f-mono); }

.file-upload-name {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-accent);
  margin-top: 6px;
  display: none;
}

.file-upload-wrap.has-file .file-upload-name { display: block; }

/* ================================================================
   PRIVACY CHECKBOXES
   ================================================================ */

.privacy-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.privacy-check input[type="checkbox"] { margin-top: 2px; flex-shrink: 0; }

.privacy-check label {
  font-size: 12px;
  color: var(--c-muted);
  line-height: 1.6;
  cursor: pointer;
}

.privacy-check label a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ================================================================
   ERROR MESSAGES
   ================================================================ */

.field-error {
  font-size: 11px;
  color: #CC3333;
  font-family: var(--f-mono);
  display: none;
  align-items: center;
  gap: 4px;
}

.field-error.show { display: flex; }

/* ================================================================
   FORM DATES ROW
   ================================================================ */

.date-range-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ================================================================
   HONEYPOT (hidden)
   ================================================================ */

.hp-field {
  display: none !important;
  visibility: hidden !important;
}

/* ================================================================
   SUBMIT AREA
   ================================================================ */

.form-submit-area {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-submit-caption {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-muted);
  letter-spacing: 0.04em;
}

/* ================================================================
   FORM SUCCESS STATE
   ================================================================ */

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  gap: 16px;
}

.form-success.show { display: flex; }
.form-wrap.submitted .form-fields { display: none; }
.form-wrap.submitted .form-success { display: flex; }

.form-success__icon {
  width: 56px; height: 56px;
  border: 1px solid var(--c-accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-accent);
  font-size: 28px;
}

.form-success__code {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(200,162,75,0.08);
  padding: 6px 14px;
}

.form-success h3 { color: var(--c-primary); font-size: 22px; }
.form-success p  { font-size: var(--t-sm); color: var(--c-muted); max-width: 360px; }

/* ================================================================
   COMPACT FORM VARIANT
   ================================================================ */

.form--compact .form-grid {
  grid-template-columns: 1fr;
}

.form--compact .form-col-half {
  grid-column: 1;
}

.form--compact .expandable-fields {
  display: none;
}

.form--compact.expanded .expandable-fields {
  display: contents;
}

.expand-toggle {
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  background: none;
  border: none;
  transition: color var(--t-base);
}
.expand-toggle:hover { color: var(--c-accent-hover); }

/* ================================================================
   RESPONSIVE FORM
   ================================================================ */

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-col-half {
    grid-column: 1;
  }
  .date-range-row {
    grid-template-columns: 1fr;
  }
  .check-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}