/* ============================================
   Overlay
   ============================================ */
.quiz-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(17, 17, 17, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.quiz-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Quiz Container
   ============================================ */
.quiz {
    width: 100%;
    max-width: 640px;
    height: 100vh;
    max-height: 100vh;
    padding: var(--space-xl) var(--space-2xl);
    position: relative;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Header (progress + close)
   ============================================ */
.quiz__header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-shrink: 0;
    margin-bottom: var(--space-xl);
}

.quiz__progress {
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    flex: 1;
}

.quiz__close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    font-size: 24px;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: color var(--transition-fast), background var(--transition-fast);
    line-height: 1;
    flex-shrink: 0;
}

.quiz__close:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
}

.quiz__progress-bar {
    height: 100%;
    background: var(--color-blue);
    border-radius: var(--radius-full);
    width: 11%;
    transition: width var(--transition-slower);
}

/* ============================================
   Steps
   ============================================ */
.quiz__step {
    animation: quizFadeIn var(--transition-slower) both;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 0;
}

.quiz__step[hidden] {
    display: none;
}

@keyframes quizFadeIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quiz__title {
    color: var(--color-white);
    font-size: var(--text-xl);
    font-weight: var(--font-light);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.quiz__subtitle {
    color: rgba(255, 255, 255, 0.4);
    font-size: var(--text-sm);
    font-weight: var(--font-light);
    text-align: center;
    margin-bottom: var(--space-lg);
}

/* ============================================
   Option Cards (single select)
   ============================================ */
.quiz__options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    overflow-y: auto;
    max-height: 50vh;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.quiz__option {
    display: block;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: var(--font-light);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.quiz__option:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
}

.quiz__option.is-selected {
    background: rgba(0, 114, 233, 0.15);
    border-color: var(--color-blue);
    color: var(--color-white);
}

/* ============================================
   Category Cards (Step 1)
   ============================================ */
.quiz__options--categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.quiz__card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-lg) var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: var(--font-light);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.quiz__card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
}

.quiz__card--cat1:hover,
.quiz__card--cat1.is-selected {
    border-color: var(--color-category-1);
    background: rgba(0, 114, 233, 0.1);
}

.quiz__card--cat2:hover,
.quiz__card--cat2.is-selected {
    border-color: var(--color-category-2);
    background: rgba(0, 184, 148, 0.1);
}

.quiz__card--cat3:hover,
.quiz__card--cat3.is-selected {
    border-color: var(--color-category-3);
    background: rgba(225, 112, 85, 0.1);
}

.quiz__card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quiz__card--cat1 .quiz__card-icon { color: var(--color-category-1); }
.quiz__card--cat2 .quiz__card-icon { color: var(--color-category-2); }
.quiz__card--cat3 .quiz__card-icon { color: var(--color-category-3); }

.quiz__card-label {
    line-height: 1.3;
}

@media (max-width: 600px) {
    .quiz__options--categories {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Multi-select Options
   ============================================ */
.quiz__options--multi {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    flex-direction: row;
}

.quiz__options--multi .quiz__option {
    width: auto;
    flex: 0 0 auto;
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
}

.quiz__options--multi .quiz__option:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Days grid */
.quiz__options--days {
    justify-content: center;
}

.quiz__options--days .quiz__option {
    width: 48px;
    height: 48px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-weight: var(--font-medium);
}

.quiz__next {
    margin-top: var(--space-lg);
    width: 100%;
    flex-shrink: 0;
}

/* ============================================
   Contact Form (Step 9)
   ============================================ */
.quiz__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.quiz__field label {
    display: block;
    color: rgba(255, 255, 255, 0.45);
    font-size: var(--text-xs);
    font-weight: var(--font-regular);
    letter-spacing: 0.03em;
    margin-bottom: var(--space-xs);
}

.quiz__field input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: var(--font-light);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.quiz__field input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.quiz__field input:focus {
    outline: none;
    border-color: var(--color-blue);
    background: rgba(255, 255, 255, 0.08);
}

.quiz__field input.has-error {
    border-color: #e74c3c;
}

.quiz__submit {
    margin-top: var(--space-md);
}

.quiz__submit-loading {
    animation: spin 1s linear infinite;
}

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

.quiz__error {
    color: #e74c3c;
    font-size: var(--text-sm);
    text-align: center;
}

/* ============================================
   Quiz Responsive
   ============================================ */
@media (max-width: 600px) {
    .quiz {
        padding: var(--space-lg);
    }

    .quiz__title {
        font-size: var(--text-lg);
    }

    .quiz__card-icon {
        width: 36px;
        height: 36px;
    }

    .quiz__card-icon svg {
        width: 18px;
        height: 18px;
    }
}