/**
 * ANSA Survey Pro - Front-end Styles
 * Design inspired by ansa.bg - soft, feminine, premium aesthetic
 * Mobile-first responsive design
 */

/* Root variables matching ANSA brand */
:root {
    --ansa-pink: #E8B4B8;
    --ansa-soft-pink: #F5E5E7;
    --ansa-dark: #2B2B2B;
    --ansa-gray: #666666;
    --ansa-light-gray: #F8F9FA;
    --ansa-white: #FFFFFF;
    --ansa-success: #46b450;
    --ansa-border: #E5E5E5;
    --ansa-shadow: rgba(0, 0, 0, 0.08);
    --ansa-shadow-hover: rgba(0, 0, 0, 0.12);
}

/* Container - Mobile first */
.ansa-survey-container {
    max-width: 600px;
    margin: 15px auto;
    padding: 0 12px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

@media (min-width: 768px) {
    .ansa-survey-container {
        margin: 30px auto;
        padding: 0 20px;
        font-size: 15px;
    }
}

/* Loading state */
.ansa-survey-loading {
    text-align: center;
    padding: 40px 15px;
}

.ansa-survey-spinner {
    width: 32px;
    height: 32px;
    margin: 0 auto 15px;
    border: 3px solid var(--ansa-light-gray);
    border-top-color: var(--ansa-pink);
    border-radius: 50%;
    animation: ansa-spin 0.8s linear infinite;
}

@keyframes ansa-spin {
    to { transform: rotate(360deg); }
}

.ansa-survey-loading p {
    color: var(--ansa-gray);
    font-size: 14px;
}

/* Survey card - Mobile first */
.ansa-survey-card {
    background: var(--ansa-white);
    border-radius: 12px;
    padding: 20px 16px;
    box-shadow: 0 4px 20px var(--ansa-shadow);
    animation: ansa-fade-in 0.4s ease-out;
}

@media (min-width: 768px) {
    .ansa-survey-card {
        border-radius: 16px;
        padding: 35px 30px;
    }
}

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

/* Progress bar */
.ansa-survey-progress {
    height: 3px;
    background: var(--ansa-light-gray);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

@media (min-width: 768px) {
    .ansa-survey-progress {
        height: 4px;
        margin-bottom: 30px;
    }
}

.ansa-survey-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--ansa-pink), #D4A5A9);
    border-radius: 10px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header - Mobile first */
.ansa-survey-header {
    text-align: center;
    margin-bottom: 25px;
}

@media (min-width: 768px) {
    .ansa-survey-header {
        margin-bottom: 35px;
    }
}

.ansa-survey-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--ansa-dark);
    margin: 0 0 8px 0;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .ansa-survey-title {
        font-size: 26px;
        margin-bottom: 10px;
    }
}

.ansa-survey-subtitle {
    font-size: 14px;
    color: var(--ansa-gray);
    margin: 0;
    font-weight: 400;
}

@media (min-width: 768px) {
    .ansa-survey-subtitle {
        font-size: 16px;
    }
}

/* Question - Mobile first */
.ansa-survey-question {
    animation: ansa-slide-in 0.3s ease-out;
}

@keyframes ansa-slide-in {
    from {
        opacity: 0;
        transform: translateX(15px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.ansa-survey-question-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--ansa-dark);
    margin: 0 0 16px 0;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .ansa-survey-question-title {
        font-size: 19px;
        margin-bottom: 22px;
    }
}

.ansa-survey-question-required {
    color: var(--ansa-pink);
    margin-left: 3px;
}

.ansa-survey-question-description {
    font-size: 13px;
    color: var(--ansa-gray);
    margin: -10px 0 16px 0;
    line-height: 1.4;
    opacity: 0.85;
}

@media (min-width: 768px) {
    .ansa-survey-question-description {
        font-size: 14px;
        margin: -14px 0 20px 0;
    }
}

/* Options for single/multi choice - Mobile first */
.ansa-survey-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .ansa-survey-options {
        gap: 10px;
        margin-bottom: 25px;
    }
}

.ansa-survey-option {
    position: relative;
}

.ansa-survey-option input[type="radio"],
.ansa-survey-option input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.ansa-survey-option-label {
    display: block;
    padding: 12px 14px;
    background: var(--ansa-white);
    border: 1.5px solid var(--ansa-border);
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--ansa-dark);
    transition: all 0.2s ease;
    user-select: none;
}

@media (min-width: 768px) {
    .ansa-survey-option-label {
        padding: 14px 18px;
        border-radius: 12px;
        font-size: 15px;
    }
}

.ansa-survey-option-label:hover {
    border-color: var(--ansa-pink);
    background: var(--ansa-soft-pink);
}

@media (min-width: 768px) {
    .ansa-survey-option-label:hover {
        transform: translateY(-1px);
        box-shadow: 0 3px 10px var(--ansa-shadow);
    }
}

.ansa-survey-option input:checked + .ansa-survey-option-label {
    border-color: var(--ansa-pink);
    background: var(--ansa-soft-pink);
    font-weight: 500;
}

.ansa-survey-option input:focus + .ansa-survey-option-label {
    outline: 2px solid var(--ansa-pink);
    outline-offset: 2px;
}

/* Text input - Mobile first */
.ansa-survey-text-input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--ansa-border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    color: var(--ansa-dark);
    background: var(--ansa-white);
    transition: all 0.2s ease;
    resize: vertical;
    min-height: 90px;
    margin-bottom: 20px;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .ansa-survey-text-input {
        padding: 14px 16px;
        border-radius: 12px;
        font-size: 15px;
        min-height: 100px;
        margin-bottom: 25px;
    }
}

.ansa-survey-text-input:focus {
    outline: none;
    border-color: var(--ansa-pink);
    box-shadow: 0 0 0 3px rgba(232, 180, 184, 0.12);
}

.ansa-survey-text-input::placeholder {
    color: #999;
}

/* Rating group - Mobile first */
.ansa-survey-rating-group {
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .ansa-survey-rating-group {
        margin-bottom: 25px;
    }
}

.ansa-survey-rating-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--ansa-border);
    gap: 10px;
}

@media (min-width: 768px) {
    .ansa-survey-rating-item {
        padding: 12px 0;
    }
}

.ansa-survey-rating-item:last-child {
    border-bottom: none;
}

.ansa-survey-rating-label {
    font-size: 13px;
    color: var(--ansa-dark);
    flex: 1;
    min-width: 0;
}

@media (min-width: 768px) {
    .ansa-survey-rating-label {
        font-size: 14px;
    }
}

.ansa-survey-rating-scale {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .ansa-survey-rating-scale {
        gap: 6px;
    }
}

.ansa-survey-rating-scale input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.ansa-survey-rating-option {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--ansa-border);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--ansa-gray);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

@media (min-width: 768px) {
    .ansa-survey-rating-option {
        width: 38px;
        height: 38px;
        font-size: 13px;
    }
}

.ansa-survey-rating-option:hover {
    border-color: var(--ansa-pink);
    background: var(--ansa-soft-pink);
}

.ansa-survey-rating-scale input:checked + .ansa-survey-rating-option {
    border-color: var(--ansa-pink);
    background: var(--ansa-pink);
    color: var(--ansa-white);
}

/* Info type */
.ansa-survey-info-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--ansa-gray);
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .ansa-survey-info-content {
        font-size: 15px;
        margin-bottom: 25px;
    }
}

/* Buttons - Mobile first */
.ansa-survey-buttons {
    display: flex;
    flex-direction: column-reverse;
    gap: 8px;
    margin-top: 25px;
}

@media (min-width: 768px) {
    .ansa-survey-buttons {
        flex-direction: row;
        gap: 10px;
        justify-content: flex-end;
        margin-top: 30px;
    }
}

.ansa-survey-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    width: 100%;
}

@media (min-width: 768px) {
    .ansa-survey-btn {
        padding: 12px 24px;
        font-size: 15px;
        width: auto;
    }
}

.ansa-survey-btn-primary {
    background: var(--ansa-pink);
    color: var(--ansa-white);
    box-shadow: 0 3px 10px rgba(232, 180, 184, 0.25);
}

.ansa-survey-btn-primary:hover:not(:disabled) {
    background: #D4A5A9;
}

@media (min-width: 768px) {
    .ansa-survey-btn-primary:hover:not(:disabled) {
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(232, 180, 184, 0.35);
    }
}

.ansa-survey-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.ansa-survey-btn-secondary {
    background: transparent;
    color: var(--ansa-gray);
    border: 1.5px solid var(--ansa-border);
}

.ansa-survey-btn-secondary:hover {
    border-color: var(--ansa-pink);
    color: var(--ansa-pink);
    background: var(--ansa-soft-pink);
}

/* Thank you screen - Mobile first */
.ansa-survey-thank-you {
    text-align: center;
    padding: 20px 10px;
    animation: ansa-fade-in 0.5s ease-out;
}

@media (min-width: 768px) {
    .ansa-survey-thank-you {
        padding: 30px 15px;
    }
}

.ansa-survey-thank-you-icon {
    font-size: 44px;
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .ansa-survey-thank-you-icon {
        font-size: 52px;
        margin-bottom: 18px;
    }
}

.ansa-survey-thank-you-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--ansa-dark);
    margin: 0 0 8px 0;
}

@media (min-width: 768px) {
    .ansa-survey-thank-you-title {
        font-size: 24px;
        margin-bottom: 10px;
    }
}

.ansa-survey-thank-you-text {
    font-size: 14px;
    color: var(--ansa-gray);
    margin: 0 0 20px 0;
    line-height: 1.5;
}

@media (min-width: 768px) {
    .ansa-survey-thank-you-text {
        font-size: 16px;
        margin-bottom: 25px;
    }
}

/* Coupon Reward Styles - Mobile first */
.ansa-survey-coupon-reward {
    background: linear-gradient(135deg, #f8fff8 0%, #e8f5e9 100%);
    border: 1.5px solid #4CAF50;
    border-radius: 12px;
    padding: 18px 14px;
    margin-top: 15px;
    animation: ansa-fade-in 0.5s ease-out 0.2s both;
}

@media (min-width: 768px) {
    .ansa-survey-coupon-reward {
        border-radius: 14px;
        padding: 24px 20px;
        margin-top: 20px;
    }
}

.ansa-survey-coupon-gift {
    font-size: 36px;
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .ansa-survey-coupon-gift {
        font-size: 42px;
        margin-bottom: 12px;
    }
}

.ansa-survey-coupon-label {
    font-size: 14px;
    color: #2E7D32;
    font-weight: 600;
    margin-bottom: 12px;
}

@media (min-width: 768px) {
    .ansa-survey-coupon-label {
        font-size: 15px;
    }
}

.ansa-survey-coupon-code-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.ansa-survey-coupon-code {
    display: inline-block;
    background: #fff;
    border: 2px dashed #4CAF50;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #1B5E20;
    font-family: 'Courier New', Courier, monospace;
    user-select: all;
}

@media (min-width: 768px) {
    .ansa-survey-coupon-code {
        padding: 12px 18px;
        font-size: 18px;
        letter-spacing: 1.5px;
    }
}

.ansa-survey-coupon-copy {
    background: #4CAF50;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ansa-survey-coupon-copy:hover {
    background: #43A047;
}

.ansa-survey-coupon-copy:active {
    transform: scale(0.95);
}

.ansa-survey-coupon-copied {
    font-size: 12px;
    color: #4CAF50;
    font-weight: 600;
    opacity: 0;
    transform: translateY(-8px);
    transition: all 0.3s ease;
    height: 0;
    overflow: hidden;
}

.ansa-survey-coupon-copied.visible {
    opacity: 1;
    transform: translateY(0);
    height: auto;
    margin-bottom: 8px;
}

.ansa-survey-coupon-minimum {
    font-size: 13px;
    color: #E65100;
    font-weight: 500;
    margin: 10px 0;
    padding: 8px 12px;
    background: #FFF3E0;
    border-radius: 6px;
    display: inline-block;
}

@media (min-width: 768px) {
    .ansa-survey-coupon-minimum {
        font-size: 14px;
    }
}

.ansa-survey-coupon-expiry {
    font-size: 12px;
    color: #666;
    margin-top: 10px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.7);
    border-radius: 6px;
    display: inline-block;
}

@media (min-width: 768px) {
    .ansa-survey-coupon-expiry {
        font-size: 13px;
    }
}

/* Error message */
.ansa-survey-error {
    background: #FFEAEA;
    border: 1.5px solid #FF6B6B;
    border-radius: 8px;
    padding: 10px 12px;
    margin-top: 10px;
    font-size: 13px;
    color: #C92A2A;
}

@media (min-width: 768px) {
    .ansa-survey-error {
        padding: 12px 14px;
        font-size: 14px;
    }
}

/* Keyboard hint - Hide on mobile */
.ansa-survey-keyboard-hint {
    display: none;
}

@media (min-width: 768px) {
    .ansa-survey-keyboard-hint {
        display: block;
        text-align: center;
        margin-top: 20px;
        font-size: 12px;
        color: #999;
    }
}

.ansa-survey-kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--ansa-light-gray);
    border: 1px solid var(--ansa-border);
    border-radius: 4px;
    font-family: monospace;
    font-size: 11px;
    margin: 0 2px;
}

/* Animations */
@keyframes ansa-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Focus visible for accessibility */
.ansa-survey-btn:focus-visible,
.ansa-survey-option-label:focus-visible,
.ansa-survey-text-input:focus-visible {
    outline: 2px solid var(--ansa-pink);
    outline-offset: 2px;
}

/* Custom scrollbar */
.ansa-survey-text-input::-webkit-scrollbar {
    width: 6px;
}

.ansa-survey-text-input::-webkit-scrollbar-track {
    background: var(--ansa-light-gray);
    border-radius: 4px;
}

.ansa-survey-text-input::-webkit-scrollbar-thumb {
    background: var(--ansa-pink);
    border-radius: 4px;
}

.ansa-survey-text-input::-webkit-scrollbar-thumb:hover {
    background: #D4A5A9;
}

/* Touch-friendly tap targets */
@media (pointer: coarse) {
    .ansa-survey-option-label {
        min-height: 44px;
    }
    
    .ansa-survey-btn {
        min-height: 44px;
    }
    
    .ansa-survey-rating-option {
        min-width: 36px;
        min-height: 36px;
    }
}