/* ========================================
   FORM INPUT COMPONENT
   ======================================== */

.form-input-wrapper {
    margin-bottom: var(--space-5);
}

.form-floating {
    position: relative;
}

.form-input {
    width: 100%;
    height: var(--input-height);
    padding: 1rem var(--input-padding-x);
    padding-left: var(--input-padding-left-icon);
    border: var(--input-border-width) solid var(--color-border-default);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background-color: var(--color-bg-input);
    transition:
        border-color var(--transition-base),
        background-color var(--transition-base),
        box-shadow var(--transition-base);
}

.form-input:focus,
.form-input:not(:placeholder-shown) {
    padding-top: 1.375rem;
    padding-bottom: 0.375rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-border-focus);
    background-color: var(--color-bg-primary);
    box-shadow: var(--shadow-focus);
}

.form-input::placeholder {
    color: transparent;
}

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

/* Floating Label */
.form-input-label {
    position: absolute;
    top: 50%;
    left: var(--input-padding-left-icon);
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    pointer-events: none;
    transition:
        transform var(--transition-base),
        font-size var(--transition-base),
        color var(--transition-base);
}

.form-input:focus ~ .form-input-label,
.form-input:not(:placeholder-shown) ~ .form-input-label {
    transform: translateY(-1.3rem) translateX(0.15rem);
    font-size: var(--font-size-sm);
    color: var(--color-brand-primary);
}

/* Icon */
.form-input-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: var(--input-icon-size);
    z-index: 1;
    pointer-events: none;
    transition: color var(--transition-base);
}

.form-input:focus ~ .form-input-icon {
    color: var(--color-brand-primary);
}

/* No icon variant */
.form-input-wrapper:not(:has(.form-input-icon)) .form-input {
    padding-left: var(--input-padding-x);
}

.form-input-wrapper:not(:has(.form-input-icon)) .form-input-label {
    left: var(--input-padding-x);
}

/* Error State */
.form-input-wrapper.has-error .form-input {
    border-color: var(--color-error);
}

.form-input-wrapper.has-error .form-input:focus {
    box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.1);
}

.form-input-error {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--font-size-sm);
    color: var(--color-error);
}

/* Disabled State */
.form-input:disabled {
    background-color: var(--color-bg-tertiary);
    cursor: not-allowed;
    opacity: 0.7;
}