/**
 * SVGaze - Form Components
 *
 * Input fields, selects, color pickers, range sliders, and other form elements.
 */

/* === Base Input Styles === */
.input,
input[type="text"],
input[type="search"],
input[type="email"],
input[type="url"],
input[type="number"],
select,
textarea {
  padding: var(--input-padding);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);

  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);

  background: var(--card);
  color: var(--text-primary);

  transition: all var(--transition-fast);
}

.input:hover,
input:hover:not([type="range"]):not([type="color"]),
select:hover,
textarea:hover {
  border-color: var(--border-hover);
}

.input:focus,
input:focus:not([type="range"]):not([type="color"]),
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.input:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg);
}

/* === Search Input === */
input[type="search"] {
  -webkit-appearance: none;
  appearance: none;
}

input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
  height: 16px;
  width: 16px;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%236b7280" stroke-width="2"><path d="M18 6L6 18M6 6l12 12"/></svg>') center/contain no-repeat;
  cursor: pointer;
  opacity: 0.5;
}

input[type="search"]::-webkit-search-cancel-button:hover {
  opacity: 1;
}

/* === Select Dropdown === */
select {
  padding-right: 32px;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="%236b7280"><path d="M4 6l4 4 4-4H4z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px;
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

select#categoryFilter {
  max-width: 280px;
  min-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

select#categoryFilter option {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 280px;
}

/* === Color Picker === */
input[type="color"] {
  width: 44px;
  height: 36px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  cursor: pointer;
  transition: all var(--transition-fast);
}

input[type="color"]:hover {
  border-color: var(--border-hover);
  transform: scale(1.05);
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

input[type="color"]::-moz-color-swatch {
  border: none;
  border-radius: 4px;
}

/* === Range Slider === */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg);
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

input[type="range"]:hover {
  background: var(--border);
}

/* Webkit (Chrome, Safari, Edge) */
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--primary-hover);
  transform: scale(1.1);
}

input[type="range"]::-webkit-slider-thumb:active {
  transform: scale(1);
}

/* Firefox */
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

input[type="range"]::-moz-range-thumb:hover {
  background: var(--primary-hover);
  transform: scale(1.1);
}

input[type="range"]::-moz-range-track {
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg);
}

/* === File Input (Hidden) === */
input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* === Label with Input === */
label.input {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--input-padding);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

label.input:hover {
  border-color: var(--border-hover);
}

label.input input[type="range"] {
  margin-left: var(--space-sm);
  vertical-align: middle;
}

/* === Checkbox and Radio === */
input[type="checkbox"],
input[type="radio"] {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

input[type="radio"] {
  border-radius: 50%;
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
  background: var(--primary);
  border-color: var(--primary);
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="white"><path d="M13.5 3.5L6 11 2.5 7.5l1-1L6 9l6.5-6.5z"/></svg>');
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}

input[type="checkbox"]:focus,
input[type="radio"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* === Form Groups === */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

.form-row {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

/* === Validation States === */
.input.error,
input.error,
select.error {
  border-color: var(--error);
}

.input.error:focus,
input.error:focus,
select.error:focus {
  box-shadow: 0 0 0 3px var(--error-light);
}

.input.success,
input.success,
select.success {
  border-color: var(--success);
}

.input.success:focus,
input.success:focus,
select.success:focus {
  box-shadow: 0 0 0 3px var(--success-light);
}

.error-message {
  font-size: var(--font-size-sm);
  color: var(--error);
  margin-top: var(--space-xs);
}

.success-message {
  font-size: var(--font-size-sm);
  color: var(--success);
  margin-top: var(--space-xs);
}

/* === Theme Toggle Switch === */
.switch {
  display: block;
  --width-of-switch: 3.5em;
  --height-of-switch: 2em;
  --size-of-icon: 1.4em;
  --slider-offset: 0.3em;
  position: relative;
  width: var(--width-of-switch);
  height: var(--height-of-switch);
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch .slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #f4f4f5;
  transition: .4s;
  border-radius: 30px;
}

.switch .slider:before {
  position: absolute;
  content: "";
  height: var(--size-of-icon, 1.4em);
  width: var(--size-of-icon, 1.4em);
  border-radius: 20px;
  left: var(--slider-offset, 0.3em);
  top: 50%;
  transform: translateY(-50%);
  background: linear-gradient(40deg, #ff0080, #ff8c00 70%);
  transition: .4s;
}

.switch input:checked + .slider {
  background-color: #27282c;
}

.switch input:checked + .slider:before {
  left: calc(100% - (var(--size-of-icon, 1.4em) + var(--slider-offset, 0.3em)));
  background: #27282c;
  box-shadow: inset -3px -2px 5px -2px #8983f7, inset -10px -4px 0 0 #a3dafb;
}

/* === Responsive === */
@media (max-width: 640px) {
  select#categoryFilter {
    max-width: 180px;
    min-width: 120px;
  }

  label.input {
    font-size: var(--font-size-sm);
  }

  .form-row {
    flex-direction: column;
    align-items: stretch;
  }
}