/* =====================================================
   FORM STYLES & VALIDATION
   ===================================================== */

/* Base form group styles */
.form-group {
  position: relative;
  margin-bottom: var(--lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--sm);
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}

.form-group label .required {
  color: var(--error);
  margin-left: var(--xs);
}

/* Base input styles */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="number"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-base);
  color: var(--text);
  background: var(--white);
  transition: all var(--transition-base) var(--transition-ease);
  min-height: var(--touch-target-sm);
}

/* Hover states */
input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="url"]:hover,
input[type="number"]:hover,
input[type="date"]:hover,
textarea:hover,
select:hover {
  border-color: var(--green-light);
}

/* Focus states */
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--shadow-focus);
}

/* Disabled states */
input[type="text"]:disabled,
input[type="email"]:disabled,
input[type="tel"]:disabled,
input[type="url"]:disabled,
input[type="number"]:disabled,
input[type="date"]:disabled,
textarea:disabled,
select:disabled {
  background: var(--bg);
  color: var(--text-light);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Textarea specific */
textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--line-height-relaxed);
}

/* Select specific */
select {
  appearance: none;
  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='%231F2933' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Validation states */
.form-group.error input,
.form-group.error textarea,
.form-group.error select,
input.error,
textarea.error,
select.error {
  border-color: var(--error-border);
  background-color: var(--error-bg);
}

.form-group.error input:focus,
.form-group.error textarea:focus,
.form-group.error select:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form-group.success input,
.form-group.success textarea,
.form-group.success select {
  border-color: var(--success-border);
  background-color: var(--success-bg);
}

/* Error message */
.error-message {
  display: none;
  margin-top: var(--sm);
  color: var(--error);
  font-size: 0.875rem;
  line-height: var(--line-height-tight);
}

.form-group.error .error-message {
  display: block;
}

/* Help text */
.help-text {
  display: block;
  margin-top: var(--sm);
  color: var(--text-light);
  font-size: 0.875rem;
  line-height: var(--line-height-base);
}

/* Form status message (global success/error) */
.form-status {
  display: none;
  padding: var(--md) var(--lg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--lg);
  font-size: 0.95rem;
  line-height: var(--line-height-base);
  border: 1px solid;
}

.form-status.error {
  background: var(--error-bg);
  color: var(--error);
  border-color: var(--error-border);
}

.form-status.success {
  background: var(--success-bg);
  color: var(--success);
  border-color: var(--success-border);
}

.form-status.warning {
  background: var(--warning-bg);
  color: var(--warning);
  border-color: var(--warning);
}

.form-status.info {
  background: var(--info-bg);
  color: var(--info);
  border-color: var(--info);
}

/* Button states */
button[type="submit"],
.btn-submit {
  position: relative;
  min-width: 140px;
  min-height: var(--touch-target);
  padding: var(--sm) var(--xl);
  background: var(--gold);
  color: var(--green-dark);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base) var(--transition-ease);
  box-shadow: var(--shadow-sm);
}

button[type="submit"]:hover:not(:disabled),
.btn-submit:hover:not(:disabled) {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

button[type="submit"]:active:not(:disabled),
.btn-submit:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Loading state */
button[type="submit"].loading,
.btn-submit.loading {
  color: transparent;
  pointer-events: none;
  cursor: not-allowed;
}

button[type="submit"].loading::after,
.btn-submit.loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 3px solid var(--green-dark);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
  to {
    transform: rotate(360deg);
  }
}

/* Disabled button state */
button[type="submit"]:disabled,
.btn-submit:disabled {
  background: var(--border);
  color: var(--text-light);
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

/* Two-column form layout for larger screens */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--lg);
}

@media (min-width: 600px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* Checkbox and radio styles */
input[type="checkbox"],
input[type="radio"] {
  width: 20px;
  height: 20px;
  margin-right: var(--sm);
  cursor: pointer;
  accent-color: var(--green-primary);
}

.checkbox-group,
.radio-group {
  display: flex;
  align-items: center;
  margin-bottom: var(--md);
}

.checkbox-group label,
.radio-group label {
  margin-bottom: 0;
  font-weight: 400;
  cursor: pointer;
  display: flex;
  align-items: center;
}

/* Field validation icons */
.form-group.success::after {
  content: "✓";
  position: absolute;
  right: 1rem;
  top: 2.5rem;
  color: var(--success);
  font-weight: bold;
  font-size: 1.2rem;
}

.form-group.error::after {
  content: "✕";
  position: absolute;
  right: 1rem;
  top: 2.5rem;
  color: var(--error);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Utility classes for form layouts */
.form-status-message {
  display: none;
  margin-bottom: var(--md);
  padding: var(--sm) var(--md);
  border-radius: 10px;
  font-weight: 600;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--md);
  margin-bottom: var(--lg);
}

.form-field-wrapper {
  margin-bottom: var(--lg);
}

.form-label {
  font-weight: 600;
  display: block;
  margin-bottom: calc(var(--xs) + 0.15rem);
}

.btn-full-width {
  width: 100%;
  margin-top: 1rem;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="url"],
  input[type="number"],
  input[type="date"],
  textarea,
  select {
    font-size: 16px; /* Prevents zoom on iOS */
  }

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

  .form-row-2col {
    grid-template-columns: 1fr;
  }
}