/**
 * mobile-forms.css - Touch-Optimized Form Styles
 * Phase 2: Accessibility and mobile form improvements
 *
 * MANIFEST REFERENCES:
 * - CODEBASE-MANIFEST.md line 292 - "No touch-optimized forms"
 * - MOBILE-STRATEGY.md lines 104-120 - Touch target requirements
 *
 * Version 1.0 - March 2026
 */

/* ========================================
   BASE FORM INPUTS - Touch Optimized
   ======================================== */

/* Prevent iOS zoom on focus - must be 16px minimum */
input,
select,
textarea {
  font-size: 1rem !important; /* 16px prevents iOS zoom */
}

/* Touch target sizing */
@media (max-width: 768px) {
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="search"],
  input[type="tel"],
  input[type="url"],
  input[type="number"],
  input[type="date"],
  input[type="time"],
  input[type="datetime-local"],
  select,
  textarea {
    min-height: 48px;
    padding: 12px 16px;
  }

  /* Checkboxes and radios - expanded touch area */
  input[type="checkbox"],
  input[type="radio"] {
    width: 24px;
    height: 24px;
    min-width: 44px;
    min-height: 44px;
    margin: -10px;
    padding: 10px;
    cursor: pointer;
  }

  /* Number input - hide tiny spinners on mobile */
  input[type="number"]::-webkit-inner-spin-button,
  input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  input[type="number"] {
    -moz-appearance: textfield;
  }
}

/* ========================================
   FOCUS STATES - Accessibility
   ======================================== */

/* Visible focus indicators for keyboard navigation */
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #8A7ABB; /* Iris accent */
  outline-offset: 2px;
}

button:focus-visible,
[role="button"]:focus-visible,
a:focus-visible {
  outline: 2px solid #8A7ABB;
  outline-offset: 2px;
}

/* Remove default outline only when focus-visible is supported */
@supports selector(:focus-visible) {
  input:focus:not(:focus-visible),
  select:focus:not(:focus-visible),
  textarea:focus:not(:focus-visible),
  button:focus:not(:focus-visible),
  a:focus:not(:focus-visible) {
    outline: none;
  }
}

/* ========================================
   BUTTONS - Touch Optimized
   ======================================== */

@media (max-width: 768px) {
  button,
  .btn,
  [role="button"],
  input[type="submit"],
  input[type="button"] {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 20px;
  }

  /* Icon-only buttons need explicit sizing */
  .btn-icon,
  .icon-btn,
  button:has(svg):not(:has(span)) {
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
  }
}

/* ========================================
   LABELS - Proper Association
   ======================================== */

/* Visual indicator for required fields */
label[required]::after,
.required::after {
  content: " *";
  color: #E85D5D;
}

/* Ensure labels are readable */
@media (max-width: 768px) {
  label {
    font-size: 0.875rem; /* 14px minimum */
    line-height: 1.4;
  }
}

/* ========================================
   FORM LAYOUT - Mobile Stack
   ======================================== */

@media (max-width: 640px) {
  /* Stack form rows on mobile */
  .form-row,
  .input-row,
  .field-row {
    flex-direction: column !important;
    gap: 12px;
  }

  /* Full width inputs */
  .form-row > *,
  .input-row > *,
  .field-row > * {
    width: 100%;
  }

  /* Form grid to single column */
  .form-grid,
  .input-grid {
    grid-template-columns: 1fr !important;
  }
}

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

select {
  /* Custom arrow spacing */
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23636366' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

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

@media (max-width: 768px) {
  textarea {
    min-height: 100px;
    resize: vertical;
  }
}

/* ========================================
   TOOLTIPS - Touch Accessible
   ======================================== */

/* Make tooltips work with touch/focus, not just hover */
.tooltip-trigger:focus::after,
.tooltip-trigger:focus::before,
[data-tooltip]:focus::after,
[data-tooltip]:focus::before {
  opacity: 1;
  visibility: visible;
}

/* Tooltip trigger touch target */
.tooltip-trigger,
[data-tooltip] {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ========================================
   ERROR/VALIDATION STATES
   ======================================== */

.input-error,
.field-error,
input:invalid,
select:invalid,
textarea:invalid {
  border-color: #E85D5D !important;
}

.input-error:focus-visible,
input:invalid:focus-visible {
  outline-color: #E85D5D;
}

.error-message,
.field-error-message {
  color: #E85D5D;
  font-size: 0.8125rem; /* 13px */
  margin-top: 4px;
}

/* ========================================
   DISABLED STATES
   ======================================== */

input:disabled,
select:disabled,
textarea:disabled,
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ========================================
   REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  input,
  select,
  textarea,
  button {
    transition: none !important;
  }
}