/**
 * 3Syxty Studio — Input Component
 *
 * Text inputs, textareas, and form field wrappers with labels,
 * helper text, validation states, and elegant focus transitions.
 */

/* -----------------------------------------------------------------------
   Form Field Wrapper
   ----------------------------------------------------------------------- */

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1-5);
}

.field-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.field-row .field {
    flex: 1;
}

/* -----------------------------------------------------------------------
   Label
   ----------------------------------------------------------------------- */

.field-label {
    font: var(--type-body-sm);
    font-weight: 500;
    color: var(--text-secondary);
    user-select: none;
}

.field-label-required::after {
    content: ' *';
    color: var(--error);
}

/* -----------------------------------------------------------------------
   Base Input
   ----------------------------------------------------------------------- */

.input {
    width: 100%;
    height: var(--input-height-md);
    padding: 0 var(--space-3);
    font: var(--type-body);
    color: var(--text-primary);
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--motion-instant),
                box-shadow var(--motion-instant),
                background-color var(--motion-instant);
    -webkit-tap-highlight-color: transparent;
}

.input::placeholder {
    color: var(--input-placeholder);
}

.input:hover:not(:disabled):not(:focus) {
    border-color: var(--border-default);
}

.input:focus {
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 3px var(--input-ring);
}

.input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--surface-tertiary);
}

.input:read-only {
    background-color: var(--surface-tertiary);
    cursor: default;
}

/* -----------------------------------------------------------------------
   Sizes
   ----------------------------------------------------------------------- */

.input-sm {
    height: var(--input-height-sm);
    padding: 0 var(--space-2-5);
    font-size: 12px;
    border-radius: var(--radius-sm);
}

.input-lg {
    height: var(--input-height-lg);
    padding: 0 var(--space-4);
    font-size: 15px;
    border-radius: var(--radius-lg);
}

/* -----------------------------------------------------------------------
   Textarea
   ----------------------------------------------------------------------- */

textarea.input {
    height: auto;
    min-height: 80px;
    padding: var(--space-2-5) var(--space-3);
    resize: vertical;
    line-height: 1.5;
}

textarea.input-sm {
    min-height: 60px;
    padding: var(--space-2) var(--space-2-5);
}

/* -----------------------------------------------------------------------
   Input with Icon / Addon
   ----------------------------------------------------------------------- */

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper .input {
    width: 100%;
}

.input-icon-left {
    position: absolute;
    left: var(--space-3);
    display: flex;
    align-items: center;
    pointer-events: none;
    color: var(--text-muted);
    z-index: 1;
}

.input-icon-left svg {
    width: 16px;
    height: 16px;
}

.input-icon-left + .input {
    padding-left: calc(var(--space-3) + 16px + var(--space-2));
}

.input-icon-right {
    position: absolute;
    right: var(--space-3);
    display: flex;
    align-items: center;
    color: var(--text-muted);
    z-index: 1;
}

.input-icon-right svg {
    width: 16px;
    height: 16px;
}

.input-wrapper:has(.input-icon-right) .input {
    padding-right: calc(var(--space-3) + 16px + var(--space-2));
}

/* Input with icon-right wrapper (positions icon inside input) */
.input-with-icon-right {
    position: relative;
}

.input-with-icon-right .input {
    padding-right: calc(var(--space-3) + 20px + var(--space-2));
}

/* Clickable icon action inside input (e.g. password toggle, clear) */
.input-icon-action {
    position: absolute;
    right: var(--space-2-5);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    pointer-events: auto;
    z-index: 2;
    transition: color var(--motion-instant), background-color var(--motion-instant);
}

.input-icon-action:hover {
    color: var(--text-secondary);
    background-color: var(--accent-primary-subtle);
}

.input-icon-action svg {
    width: 16px;
    height: 16px;
}

/* Addon (text prefix/suffix inside the border) */
.input-addon {
    display: flex;
    align-items: center;
    padding: 0 var(--space-3);
    font: var(--type-body-sm);
    color: var(--text-muted);
    background-color: var(--surface-tertiary);
    border: 1px solid var(--input-border);
    white-space: nowrap;
}

.input-addon:first-child {
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-addon:last-child {
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-addon + .input {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input:has(+ .input-addon) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

/* -----------------------------------------------------------------------
   Validation States
   ----------------------------------------------------------------------- */

.input-error {
    border-color: var(--error) !important;
}

.input-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

.input-success {
    border-color: var(--success) !important;
}

.input-success:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2) !important;
}

/* -----------------------------------------------------------------------
   Helper & Error Text
   ----------------------------------------------------------------------- */

.field-help {
    font: var(--type-caption);
    color: var(--text-muted);
}

.field-error {
    font: var(--type-caption);
    color: var(--error-text);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.field-error svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.field-counter {
    font: var(--type-caption);
    color: var(--text-muted);
    text-align: right;
}

/* -----------------------------------------------------------------------
   Search Input
   ----------------------------------------------------------------------- */

.input-search {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='7' cy='7' r='4.5'/%3E%3Cpath d='m10.5 10.5 3 3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: var(--space-3) center;
    padding-left: calc(var(--space-3) + 16px + var(--space-2));
}

/* -----------------------------------------------------------------------
   Number Input (hide native spinners, use custom)
   ----------------------------------------------------------------------- */

.input-number::-webkit-inner-spin-button,
.input-number::-webkit-outer-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}

.input-number {
    -moz-appearance: textfield;
    appearance: textfield;
}