/* 
 * Form Styles
 * Modern glass-morphism form components
 */

/* ===== Form Groups ===== */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group:last-child {
  margin-bottom: 0;
}

/* ===== Labels ===== */
.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.8);
  font-weight: normal;
}

.form-label.required::after {
  content: ' *';
  color: var(--accent-red);
}

/* ===== Input Base ===== */
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
  box-sizing: border-box;
}

.form-input::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 
    var(--glass-shadow),
    0 0 0 3px rgba(14, 165, 233, 0.2);
}

.form-input:hover:not(:focus) {
  border-color: var(--border-strong);
}

/* ===== Input States ===== */
.form-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--surface);
}

.form-input.error {
  border-color: var(--accent-red);
  box-shadow: 
    var(--glass-shadow),
    0 0 0 3px rgba(255, 85, 85, 0.2);
}

.form-input.success {
  border-color: var(--accent-green);
  box-shadow: 
    var(--glass-shadow),
    0 0 0 3px rgba(80, 250, 123, 0.2);
}

/* ===== Input Variants ===== */
.form-input-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-md);
}

.form-input-lg {
  padding: var(--space-4) var(--space-5);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

/* ===== Textarea ===== */
.form-textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.5;
}

/* ===== Select ===== */
.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 16px 12px;
  padding-right: var(--space-10);
  cursor: pointer;
}

.form-select::-ms-expand {
  display: none;
}

/* ===== Checkbox & Radio ===== */
.form-checkbox,
.form-radio {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.form-checkbox input,
.form-radio input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.form-checkbox .checkmark,
.form-radio .checkmark {
  width: 18px;
  height: 18px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  position: relative;
  flex-shrink: 0;
}

.form-radio .checkmark {
  border-radius: 50%;
}

.form-checkbox input:checked ~ .checkmark,
.form-radio input:checked ~ .checkmark {
  background: var(--primary-500);
  border-color: var(--primary-400);
}

.form-checkbox .checkmark::after {
  content: '';
  position: absolute;
  display: none;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-radio .checkmark::after {
  content: '';
  position: absolute;
  display: none;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: white;
  transform: translate(-50%, -50%);
}

.form-checkbox input:checked ~ .checkmark::after,
.form-radio input:checked ~ .checkmark::after {
  display: block;
}

/* ===== Form Actions ===== */
.form-actions {
  margin-top: var(--space-6);
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

.form-actions.center {
  justify-content: center;
}

.form-actions.start {
  justify-content: flex-start;
}

.form-actions.full {
  flex-direction: column;
}

.form-actions.full .btn {
  width: 100%;
}

/* ===== Form Footer ===== */
.form-footer {
  margin-top: var(--space-4);
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.form-footer a {
  color: var(--primary-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.form-footer a:hover {
  color: var(--primary-300);
  text-decoration: underline;
}

/* ===== Error Messages ===== */
.form-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--accent-red);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.8);
}

.form-help {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* ===== Input Groups ===== */
.input-group {
  display: flex;
  width: 100%;
}

.input-group .form-input {
  border-radius: 0;
  border-right: none;
}

.input-group .form-input:first-child {
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

.input-group .form-input:last-child {
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  border-right: 2px solid var(--border);
}

.input-group .btn {
  border-radius: 0;
  border-left: none;
}

.input-group .btn:last-child {
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

/* ===== Chat Input Specific ===== */
.chat-input-area {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--surface-elevated);
  border-top: 1px solid var(--border);
}

.chat-input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-md);
}

.chat-send {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-md);
}