/**
 * Global Form Styling for LinTax & Associates
 * Unified design system for all forms across the site
 * Applies to: login, registration, contact, webforms, etc.
 */

/* ========================================
   CSS Variables
   ======================================== */

:root {
  --form-color-primary: #004156;
  --form-color-secondary: #c4ae90;
  --form-color-bg: #fbf8f5;
  --form-color-text: #231f20;
  --form-color-border: #d7e1e9;
  --form-color-focus: #004156;
  --form-color-error: #d32f2f;
  --form-color-success: #388e3c;
  --form-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --form-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --form-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --form-radius: 8px;
  --form-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Form Containers
   ======================================== */

form {
  background: #ffffff;
  border-radius: var(--form-radius);
  box-shadow: var(--form-shadow-md);
  padding: 40px;
  max-width: 100%;
}

/* User login/register forms */
#user-login-form,
#user-register-form,
#user-pass {
  max-width: 480px;
  margin: 40px auto;
}

/* ========================================
   Form Fields
   ======================================== */

.form-item {
  margin-bottom: 24px;
}

label,
.form-item label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--form-color-text);
  font-size: 15px;
  letter-spacing: 0.2px;
}

.form-required:after {
  content: ' *';
  color: var(--form-color-error);
  font-weight: 700;
}

.description,
.form-item .description {
  font-size: 13px;
  color: #666;
  margin-top: 6px;
  font-style: italic;
  line-height: 1.5;
}

/* ========================================
   Text Inputs, Textareas, Selects
   ======================================== */

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="password"],
input[type="search"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--form-color-text);
  background: #ffffff;
  border: 2px solid var(--form-color-border);
  border-radius: 6px;
  transition: var(--form-transition);
  font-family: inherit;
  box-shadow: var(--form-shadow-sm);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="url"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--form-color-primary);
  box-shadow: 0 0 0 4px rgba(0, 65, 86, 0.1), var(--form-shadow-sm);
  background: #fafbfc;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23004156' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  appearance: none;
}

/* Disabled state */
input:disabled,
textarea:disabled,
select:disabled {
  background: #f5f5f5;
  color: #999;
  cursor: not-allowed;
  opacity: 0.6;
}

/* ========================================
   Checkboxes & Radio Buttons
   ======================================== */

input[type="checkbox"],
input[type="radio"] {
  width: 20px;
  height: 20px;
  margin-right: 10px;
  cursor: pointer;
  accent-color: var(--form-color-primary);
}

.form-checkboxes,
.form-radios {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
  background: var(--form-color-bg);
  border-radius: 6px;
}

.form-checkboxes .form-item,
.form-radios .form-item {
  margin-bottom: 0;
  display: flex;
  align-items: center;
}

.form-checkboxes label,
.form-radios label {
  margin-bottom: 0;
  font-weight: 400;
  cursor: pointer;
}

/* ========================================
   Buttons
   ======================================== */

.form-actions {
  display: flex;
  gap: 15px;
  justify-content: flex-start;
  align-items: center;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 2px solid var(--form-color-border);
}

button,
input[type="submit"],
.button,
.btn {
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--form-transition);
  text-transform: none;
  letter-spacing: 0.3px;
  box-shadow: var(--form-shadow-sm);
  background: var(--form-color-primary);
  color: #ffffff;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

button:hover,
input[type="submit"]:hover,
.button:hover,
.btn:hover {
  background: #003344;
  transform: translateY(-2px);
  box-shadow: var(--form-shadow-md);
}

button:active,
input[type="submit"]:active,
.button:active,
.btn:active {
  transform: translateY(0);
  box-shadow: var(--form-shadow-sm);
}

button:disabled,
input[type="submit"]:disabled {
  background: #ccc;
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

/* Secondary button style */
.button--secondary,
.btn--secondary {
  background: #ffffff;
  color: var(--form-color-primary);
  border: 2px solid var(--form-color-primary);
}

.button--secondary:hover,
.btn--secondary:hover {
  background: var(--form-color-bg);
}

/* Tertiary/link style button */
.button--tertiary,
.btn--link {
  background: transparent;
  color: var(--form-color-primary);
  box-shadow: none;
  padding: 8px 16px;
  text-decoration: underline;
}

.button--tertiary:hover,
.btn--link:hover {
  background: var(--form-color-bg);
  transform: none;
}

/* Small button variant */
.button--small,
.btn--small {
  padding: 8px 20px;
  font-size: 14px;
}

/* ========================================
   Validation & Messages
   ======================================== */

.form-item--error input,
.form-item--error textarea,
.form-item--error select {
  border-color: var(--form-color-error);
  background: #fff5f5;
}

.form-item--error input:focus,
.form-item--error textarea:focus,
.form-item--error select:focus {
  box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.1);
}

.form-item--error label {
  color: var(--form-color-error);
}

.form-item__error-message,
.error,
.messages--error {
  color: var(--form-color-error);
  background: #fff5f5;
  border-left: 4px solid var(--form-color-error);
  padding: 12px 16px;
  margin-top: 8px;
  margin-bottom: 12px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
}

.messages--status,
.messages--success {
  color: var(--form-color-success);
  background: #f1f8f4;
  border-left: 4px solid var(--form-color-success);
  padding: 12px 16px;
  margin-bottom: 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
}

.messages--warning {
  color: #f57c00;
  background: #fff8e1;
  border-left: 4px solid #f57c00;
  padding: 12px 16px;
  margin-bottom: 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
}

/* ========================================
   Form Headers & Help Text
   ======================================== */

form h2,
form h3 {
  color: var(--form-color-primary);
  font-weight: 700;
  margin-top: 30px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--form-color-secondary);
}

form h2 {
  font-size: 24px;
}

form h3 {
  font-size: 20px;
  border-bottom: 1px solid var(--form-color-border);
}

/* Help/Info sections */
.help-text,
.form-help {
  background: var(--form-color-bg);
  padding: 12px 20px;
  margin-bottom: 20px;
  border-left: 4px solid var(--form-color-secondary);
  border-radius: 4px;
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* ========================================
   Special Form Elements
   ======================================== */

/* File uploads */
input[type="file"] {
  padding: 8px;
  border: 2px dashed var(--form-color-border);
  background: var(--form-color-bg);
  cursor: pointer;
}

input[type="file"]:hover {
  border-color: var(--form-color-primary);
  background: #ffffff;
}

/* Date pickers */
input[type="date"],
input[type="time"],
input[type="datetime-local"] {
  cursor: pointer;
}

/* Number inputs */
input[type="number"] {
  font-variant-numeric: tabular-nums;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
  form {
    padding: 25px 20px;
  }

  #user-login-form,
  #user-register-form,
  #user-pass {
    margin: 20px auto;
    padding: 30px 20px;
  }

  .form-actions {
    flex-direction: column;
    gap: 12px;
  }

  button,
  input[type="submit"],
  .button,
  .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  form {
    padding: 20px 15px;
  }

  #user-login-form,
  #user-register-form,
  #user-pass {
    padding: 20px 15px;
  }

  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="number"],
  input[type="date"],
  input[type="password"],
  input[type="search"],
  input[type="url"],
  textarea,
  select {
    padding: 10px 14px;
    font-size: 16px; /* FIXED: Prevent iOS zoom on focus (must be >= 16px) */
  }

  button,
  input[type="submit"],
  .button,
  .btn {
    padding: 12px 24px;
    font-size: 16px; /* FIXED: Consistent with inputs */
  }
}

/* ========================================
   Accessibility
   ======================================== */

*:focus-visible {
  outline: 3px solid var(--form-color-primary);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* High contrast support */
@media (prefers-contrast: high) {
  input,
  textarea,
  select {
    border-width: 3px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  form {
    box-shadow: none;
    padding: 0;
  }

  .form-actions {
    display: none;
  }

  input,
  textarea,
  select {
    border: 1px solid #ccc;
  }
}