/**
 * Aspire Wellness - Form Components
 */

/* ===== FORM LAYOUT ===== */
.form {
    width: 100%;
}

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

.form-row {
    display: grid;
    gap: var(--space-5);
}

@media (min-width: 640px) {
    .form-row-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== LABELS ===== */
.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--neutral-gray-700);
}

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

/* ===== INPUT BASE ===== */
.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    height: 44px;
    padding: 0 var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--neutral-gray-800);
    background-color: var(--neutral-off-white);
    border: 1px solid var(--neutral-gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--neutral-gray-500);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--neutral-gray-700);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-coral);
    box-shadow: 0 0 0 3px rgba(248, 181, 172, 0.3);
    background-color: var(--neutral-white);
}

/* ===== INPUT SIZES ===== */
.form-input-sm {
    height: 36px;
    padding: 0 var(--space-3);
    font-size: var(--text-sm);
}

.form-input-lg {
    height: 56px;
    padding: 0 var(--space-5);
    font-size: var(--text-lg);
}

/* ===== TEXTAREA ===== */
.form-textarea {
    height: auto;
    min-height: 120px;
    padding: var(--space-3) var(--space-4);
    resize: vertical;
    line-height: var(--leading-relaxed);
}

/* ===== SELECT ===== */
.form-select {
    appearance: none;
    padding-right: var(--space-10);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='%234B5563'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 20px;
    cursor: pointer;
}

/* ===== CHECKBOX & RADIO ===== */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary-coral);
}

.form-checkbox-label,
.form-radio-label {
    font-size: var(--text-base);
    color: var(--neutral-gray-700);
    line-height: var(--leading-normal);
}

/* Custom Checkbox */
.custom-checkbox {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.custom-checkbox-mark {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background-color: var(--neutral-off-white);
    border: 2px solid var(--neutral-gray-600);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-checkbox input:checked + .custom-checkbox-mark {
    background-color: var(--primary-coral-dark);
    border-color: var(--primary-coral-dark);
}

.custom-checkbox-mark svg {
    width: 14px;
    height: 14px;
    color: var(--neutral-white);
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-fast);
}

.custom-checkbox input:checked + .custom-checkbox-mark svg {
    opacity: 1;
    transform: scale(1);
}

.custom-checkbox input:focus + .custom-checkbox-mark {
    box-shadow: 0 0 0 3px rgba(248, 181, 172, 0.3);
}

/* Custom Radio */
.custom-radio {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
}

.custom-radio input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.custom-radio-mark {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background-color: var(--neutral-off-white);
    border: 2px solid var(--neutral-gray-600);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.custom-radio input:checked + .custom-radio-mark {
    border-color: var(--primary-coral);
    border-width: 6px;
}

.custom-radio input:focus + .custom-radio-mark {
    box-shadow: 0 0 0 3px rgba(248, 181, 172, 0.3);
}

/* ===== VALIDATION STATES ===== */

/* Error State */
.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--accent-error);
    background-color: var(--accent-error-light);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
    border-color: var(--accent-error);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.2);
}

.form-error {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--accent-error);
}

.form-error svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Success State */
.form-input.success,
.form-select.success,
.form-textarea.success {
    border-color: var(--accent-success);
}

.form-input.success:focus,
.form-select.success:focus,
.form-textarea.success:focus {
    border-color: var(--accent-success);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.2);
}

.form-success {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--accent-success);
}

/* ===== HELP TEXT ===== */
.form-help {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--neutral-gray-500);
}

/* ===== INPUT WITH ICON ===== */
.form-input-wrapper {
    position: relative;
}

.form-input-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--neutral-gray-500);
    pointer-events: none;
}

.form-input-icon-left {
    left: var(--space-4);
}

.form-input-icon-right {
    right: var(--space-4);
}

.form-input-wrapper .form-input.has-icon-left {
    padding-left: calc(var(--space-4) + 20px + var(--space-3));
}

.form-input-wrapper .form-input.has-icon-right {
    padding-right: calc(var(--space-4) + 20px + var(--space-3));
}

/* ===== INPUT GROUP ===== */
.input-group {
    display: flex;
}

.input-group .form-input {
    flex: 1;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .btn {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ===== SEARCH INPUT ===== */
.search-form {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    height: 48px;
    padding: 0 var(--space-12) 0 var(--space-5);
    font-size: var(--text-base);
    background-color: var(--neutral-white);
    border: 1px solid var(--neutral-gray-200);
    border-radius: var(--radius-full);
}

.search-input:focus {
    border-color: var(--primary-coral-dark);
    box-shadow: var(--shadow-md);
}

.search-btn {
    position: absolute;
    top: 50%;
    right: var(--space-2);
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-coral-dark);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.search-btn:hover {
    background-color: var(--primary-coral-darker);
}

.search-btn svg {
    width: 20px;
    height: 20px;
    color: var(--neutral-white);
}

/* ===== FILE INPUT ===== */
.form-file {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-file-input {
    display: none;
}

.form-file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-8);
    background-color: var(--neutral-off-white);
    border: 2px dashed var(--neutral-gray-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-file-label:hover {
    border-color: var(--primary-coral);
    background-color: var(--overlay-coral);
}

.form-file-icon {
    width: 48px;
    height: 48px;
    color: var(--neutral-gray-400);
}

.form-file-text {
    font-size: var(--text-base);
    color: var(--neutral-gray-600);
    text-align: center;
}

.form-file-text strong {
    color: var(--primary-coral-dark);
}

/* ===== SWITCH / TOGGLE ===== */
.form-switch {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
}

.form-switch input {
    display: none;
}

.form-switch-track {
    position: relative;
    width: 48px;
    height: 26px;
    background-color: var(--neutral-gray-300);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.form-switch input:checked + .form-switch-track {
    background-color: var(--primary-coral-dark);
}

.form-switch-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background-color: var(--neutral-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.form-switch input:checked + .form-switch-track .form-switch-thumb {
    transform: translateX(22px);
}

.form-switch-label {
    font-size: var(--text-base);
    color: var(--neutral-gray-700);
}

/* ===== MULTI-STEP FORM ===== */
.form-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-10);
    position: relative;
}

.form-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50px;
    right: 50px;
    height: 2px;
    background-color: var(--neutral-gray-200);
    z-index: 0;
}

.form-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    position: relative;
    z-index: 1;
}

.form-step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--neutral-gray-200);
    color: var(--neutral-gray-600);
    border-radius: var(--radius-full);
    font-weight: var(--font-semibold);
    transition: all var(--transition-base);
}

.form-step.active .form-step-number {
    background-color: var(--primary-coral-dark);
    color: var(--neutral-white);
}

.form-step.completed .form-step-number {
    background-color: var(--accent-success);
    color: var(--neutral-white);
}

.form-step-label {
    font-size: var(--text-sm);
    color: var(--neutral-gray-500);
    font-weight: var(--font-medium);
}

.form-step.active .form-step-label {
    color: var(--neutral-gray-800);
}

@media (max-width: 480px) {
    .form-steps {
        margin-bottom: var(--space-6);
    }

    .form-step-number {
        width: 32px;
        height: 32px;
        font-size: var(--text-sm);
    }

    .form-steps::before {
        top: 16px;
        left: 30px;
        right: 30px;
    }

    .form-step-label {
        font-size: var(--text-xs);
    }
}

/* ===== HONEYPOT (Anti-Spam) ===== */
.form-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* ===== DATE PICKER ===== */
.form-datepicker {
    position: relative;
}

.form-datepicker .form-input {
    cursor: pointer;
}

.form-datepicker-icon {
    position: absolute;
    top: 50%;
    right: var(--space-4);
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--neutral-gray-500);
    pointer-events: none;
}

/* ===== TIME SLOTS ===== */
.time-slots {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

@media (min-width: 480px) {
    .time-slots {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 640px) {
    .time-slots {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 768px) {
    .time-slots {
        grid-template-columns: repeat(6, 1fr);
    }
}

.time-slot {
    padding: var(--space-3);
    text-align: center;
    font-size: var(--text-sm);
    background-color: var(--neutral-off-white);
    border: 1px solid var(--neutral-gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.time-slot:hover {
    border-color: var(--primary-coral-dark);
}

.time-slot.selected {
    background-color: var(--primary-coral-dark);
    border-color: var(--primary-coral-dark);
    color: var(--neutral-white);
    font-weight: var(--font-medium);
}

.time-slot.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== ENHANCED VALIDATION FEEDBACK ===== */

/* Browser native validation styling */
.form-input:invalid:not(:placeholder-shown),
.form-select:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
    border-color: var(--accent-error);
}

.form-input:valid:not(:placeholder-shown),
.form-select:valid,
.form-textarea:valid:not(:placeholder-shown) {
    border-color: var(--accent-success);
}

/* Validation icon wrapper */
.form-group-validated .form-input-wrapper {
    position: relative;
}

.form-group-validated .form-input-wrapper::after {
    content: '';
    position: absolute;
    top: 50%;
    right: var(--space-4);
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-group-validated .form-input:valid:not(:placeholder-shown) + .validation-icon,
.form-group-validated.valid .validation-icon {
    color: var(--accent-success);
    opacity: 1;
}

.form-group-validated .form-input:invalid:not(:placeholder-shown) + .validation-icon,
.form-group-validated.invalid .validation-icon {
    color: var(--accent-error);
    opacity: 1;
}

.validation-icon {
    position: absolute;
    top: 50%;
    right: var(--space-4);
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
}

/* Error message animation */
.form-error {
    animation: slideDownFade 0.3s ease-out;
}

@keyframes slideDownFade {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Success message */
.form-success svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Character counter */
.form-char-counter {
    display: block;
    text-align: right;
    font-size: var(--text-xs);
    color: var(--neutral-gray-500);
    margin-top: var(--space-1);
}

.form-char-counter.warning {
    color: var(--accent-warning);
}

.form-char-counter.error {
    color: var(--accent-error);
}

/* Loading state for inputs */
.form-input.loading,
.form-select.loading,
.form-textarea.loading {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%234B5563' stroke-width='2'%3E%3Cpath d='M12 2v4M12 18v4M4.93 4.93l2.83 2.83M16.24 16.24l2.83 2.83M2 12h4M18 12h4M4.93 19.07l2.83-2.83M16.24 7.76l2.83-2.83'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 20px;
    animation: spinLoader 1s linear infinite;
    padding-right: calc(var(--space-4) + 28px);
}

@keyframes spinLoader {
    from {
        background-position: right var(--space-4) center;
    }
    to {
        background-position: right var(--space-4) center;
    }
}

/* Disabled state */
.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--neutral-gray-100);
    color: var(--neutral-gray-500);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Required field indicator for screen readers */
.form-required-indicator {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Form submit button loading state */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin-top: -10px;
    margin-left: -10px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: btnSpinner 0.8s linear infinite;
}

.btn-primary.btn-loading::after {
    border-color: var(--neutral-white);
    border-top-color: transparent;
}

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

/* Alert messages */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.alert-success {
    background-color: rgba(46, 125, 50, 0.1);
    border: 1px solid var(--accent-success);
    color: var(--accent-success);
}

.alert-error {
    background-color: rgba(211, 47, 47, 0.1);
    border: 1px solid var(--accent-error);
    color: var(--accent-error);
}

.alert-warning {
    background-color: rgba(245, 124, 0, 0.1);
    border: 1px solid var(--accent-warning);
    color: var(--accent-warning);
}

.alert-info {
    background-color: rgba(3, 169, 244, 0.1);
    border: 1px solid var(--accent-info);
    color: var(--accent-info);
}

.alert svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}