/* ==========================================================================
   TibCal.com — Accessible Form Controls
   ========================================================================== */

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.input-label-optional {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  font-weight: var(--font-weight-regular);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix,
.input-suffix {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.input-prefix {
  left: 0;
  border-right: none;
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.input-suffix {
  right: 0;
  border-left: none;
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--color-text-main);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  appearance: none;
}

.has-prefix .form-control {
  padding-left: 2.75rem;
}

.has-suffix .form-control {
  padding-right: 2.75rem;
}

.form-control:hover {
  border-color: #94a3b8;
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%20475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem 1.25rem;
  padding-right: 2.5rem;
}

/* Help text and validation error messages */
.input-help {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-top: var(--space-1);
}

.error-message {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
  display: none;
}

.input-group.has-error .form-control {
  border-color: var(--color-error);
  background-color: var(--color-error-bg);
}

.input-group.has-error .error-message {
  display: block;
}

/* --------------------------------------------------------------------------
   Standard Form Controls & Unit Selectors (.tc-form-group, .tc-input, etc.)
   -------------------------------------------------------------------------- */
.tc-form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 0.5rem);
  margin-bottom: var(--space-4, 1rem);
}

.tc-label {
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: var(--font-weight-medium, 500);
  color: var(--color-text-main, #0f172a);
  display: block;
}

.tc-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-2, 0.5rem);
  width: 100%;
}

.tc-input {
  flex: 1;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--font-size-base, 1rem);
  font-family: var(--font-family-base, inherit);
  color: var(--color-text-main, #0f172a);
  background-color: var(--color-bg-surface, #ffffff);
  border: 1px solid var(--color-border, #cbd5e1);
  border-radius: var(--radius-md, 0.375rem);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  min-height: 42px;
  box-sizing: border-box;
}

.tc-input:hover {
  border-color: #94a3b8;
}

.tc-input:focus {
  border-color: var(--color-primary, #2563eb);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.tc-select,
.tc-unit-select {
  padding: 0.625rem 2.25rem 0.625rem 0.875rem;
  font-size: var(--font-size-base, 1rem);
  font-family: var(--font-family-base, inherit);
  color: var(--color-text-main, #0f172a);
  background-color: var(--color-bg-surface, #ffffff);
  border: 1px solid var(--color-border, #cbd5e1);
  border-radius: var(--radius-md, 0.375rem);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem 1.25rem;
  appearance: none;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  min-height: 42px;
  box-sizing: border-box;
}

.tc-select {
  width: 100%;
}

.tc-unit-select {
  flex-shrink: 0;
  min-width: 140px;
  max-width: 220px;
  background-color: var(--color-bg-subtle, #f8fafc);
}

.tc-select:hover,
.tc-unit-select:hover {
  border-color: #94a3b8;
}

.tc-select:focus,
.tc-unit-select:focus {
  border-color: var(--color-primary, #2563eb);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}