:root {
    --quiz-border: #cbd5e1;
}
[data-theme="dark"] {
    --quiz-border: #404040;
}
/* quiz.css - Styles for the Calculator Quiz Modal */

/* Reusing global CSS variables from style.css:
   --white, --dark, --light-bg, --primary, --text-main, --text-muted
*/

.quiz-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.quiz-hidden {
    display: none !important;
}

.quiz-modal-overlay.quiz-hidden {
    display: none !important;
    opacity: 0;
    pointer-events: none;
}

.quiz-no-scroll {
    overflow: hidden !important;
}

.quiz-modal-content {
    background: var(--white);
    width: 90%;
    max-width: 1050px;
    max-height: 90vh;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(0);
    transition: transform 0.3s ease;
    overflow: hidden;
}

/* Mobile specific styling */
@media (max-width: 768px) {
    .quiz-modal-content {
        width: 100%;
        height: 100dvh;
        max-height: 100dvh;
        border-radius: 0;
    }
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--quiz-border);
}

.quiz-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-main);
}

.quiz-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.2s;

    margin: -10px;
    padding: 10px;
}

.quiz-close:hover {
    color: var(--text-main);
}

#quizProgressBarContainer {
    width: 100%;
    height: 6px;
    background: var(--light-bg);
}

.quiz-progress-hidden {
    display: none !important;
}

.quiz-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--primary);
    transition: width 0.3s ease;
}

.quiz-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

/* Modern Footer Layout */
.quiz-footer {
    display: flex;
    flex-direction: column;
    padding: 0;
    border-top: 1px solid var(--quiz-border);
    background: var(--white);
}

.quiz-footer-top {
    padding: 15px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.quiz-footer-bottom {
    padding: 0 24px 15px 24px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
    text-align: center;
}

.quiz-total-container {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
}

#quizTotalSum {
    color: var(--primary);
    margin-left: 10px;
}

.quiz-actions {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.quiz-actions > .btn {
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s, background-color 0.2s;
}

.quiz-actions > .btn-secondary {
    background-color: var(--light-bg);
    color: var(--text-main);
}

.quiz-actions > .btn-primary {
    background-color: var(--primary);
    color: var(--btn-text);
}

.quiz-actions > .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Export Bar */
.quiz-export-bar {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--light-bg);
    padding: 6px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color, #e2e8f0);
}

.quiz-export-download, .quiz-export-send {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Custom Select */
.quiz-format-select {
    position: relative;
}
.quiz-format-select select {
    appearance: none;
    background: var(--white);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    padding: 8px 28px 8px 12px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    outline: none;
    height: 38px;
}
.quiz-format-select select:focus {
    border-color: var(--primary);
}
.quiz-format-select::after {
    content: "▼";
    font-size: 0.6rem;
    color: var(--text-muted);
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.quiz-export-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color, #cbd5e1);
}

.quiz-export-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-right: 2px;
}

.quiz-export-send .btn-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--border-color, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    padding: 0;
}
.quiz-export-send .btn-icon:hover:not(:disabled) {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}
.quiz-export-send .btn-icon:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.quiz-export-send .btn-icon img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

/* Mobile Adjustments */
@media (max-width: 850px) {
    .quiz-footer-top {
        flex-direction: column;
        align-items: stretch;
    }
    .quiz-total-container {
        text-align: center;
        margin-bottom: 5px;
    }
    .quiz-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }
    .quiz-actions > button {
        width: 100%;
        margin-bottom: 10px;
    }
    .quiz-export-bar {
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        gap: 12px;
    }
    .quiz-export-download {
        width: 100%;
    }
    .quiz-format-select {
        flex: 1;
    }
    .quiz-format-select select {
        width: 100%;
    }
    .quiz-export-download button {
        flex: 2;
    }
    .quiz-export-divider {
        width: 100%;
        height: 1px;
    }
    .quiz-export-send {
        justify-content: space-between;
    }
}

.quiz-branch-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .quiz-branch-selection {
        grid-template-columns: 1fr;
    }
}

.quiz-branch-card {
    background: var(--light-bg);
    border: 2px solid transparent;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.quiz-branch-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.quiz-branch-icon {
    font-size: 48px;
}

.quiz-branch-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.quiz-branch-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* Loader */
.quiz-loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 200px;
}

.quiz-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--quiz-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: quiz-spin 1s linear infinite;
    margin-bottom: 20px;
}

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

.quiz-error-container {
    text-align: center;
    color: var(--text-main);
    padding: 40px 20px;
}

.quiz-error-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

/* --- SESSION 4: Full Quiz Layout --- */

.quiz-step-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-bottom: 20px;
}

.quiz-step-title {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 10px;
    text-align: center;
}

.quiz-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quiz-form-group label {
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.95rem;
}

.quiz-input {
    padding: 10px 15px;
    border: 1px solid var(--quiz-border);
    border-radius: 6px;
    background: var(--white);
    color: var(--text-main);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.quiz-input:focus {
    outline: none;
    border-color: var(--primary);
}

.quiz-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

@media (max-width: 600px) {
    .quiz-grid-2 {
        grid-template-columns: 1fr;
    }
}

.quiz-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quiz-radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--quiz-border);
    border-radius: 6px;
    cursor: pointer;
    background: var(--white);
    transition: all 0.2s;
    user-select: none;
    color: var(--text-main);
}

.quiz-radio-label:hover:not(.disabled) {
    border-color: var(--primary);
}

.quiz-radio-label input[type="radio"] {
    accent-color: var(--primary);
}

.quiz-radio-label.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--light-bg);
}

/* Rooms selection (Step 2) */
.quiz-room-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: var(--light-bg);
    border-radius: 6px;
    margin-bottom: 10px;
}

.quiz-room-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-main);
    font-weight: 500;
}

.quiz-room-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.quiz-room-area {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
}



/* Step 3: Electrics Cards */
.quiz-room-card {
    border: 1px solid var(--quiz-border);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    background: var(--white);
}

.quiz-room-card h4 {
    margin: 0 0 15px 0;
    color: var(--primary);
    border-bottom: 1px solid var(--quiz-border);
    padding-bottom: 8px;
}

.quiz-counter-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dashed var(--quiz-border);
}

.quiz-counter-group:last-child {
    border-bottom: none;
}

.quiz-counter-label {
    color: var(--text-main);
    font-size: 0.95rem;
    flex: 1;
    padding-right: 10px;
}

.quiz-counter-controls {
    display: flex;
    align-items: center;
    gap: 5px;
}

.quiz-counter-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--quiz-border);
    background: var(--light-bg);
    color: var(--text-main);
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.1s;
}

.quiz-counter-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.quiz-counter-input {
    width: 60px;
    height: 36px;
    text-align: center;
    border: 1px solid var(--quiz-border);
    border-radius: 6px;
    background: var(--white);
    font-weight: 600;
    color: var(--text-main);
    -moz-appearance: textfield;
}

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

.quiz-split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    height: 100%;
}

.quiz-mobile-tabs {
    display: none;
}

@media (max-width: 768px) {
    .quiz-mobile-tabs {
        display: flex;
        gap: 10px;
        margin-bottom: 20px;
        padding: 24px 24px 15px 24px;
        position: sticky;
        top: -24px;
        z-index: 100;
        background: var(--white);
        margin-left: -24px;
        margin-right: -24px;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: 1px solid var(--quiz-border);
    }
    
    .quiz-mobile-tabs.tabs-hidden {
        transform: translateY(-100%);
    }
    
    .quiz-tab-label {
        flex: 1;
        text-align: center;
        padding: 12px 10px;
        background: var(--light-bg);
        color: var(--text-muted);
        font-weight: 600;
        border-radius: 8px;
        cursor: pointer;
        transition: 0.2s;
        font-size: 0.95rem;
    }
    
    .quiz-tab-label input {
        display: none;
    }
    
    .quiz-tab-label.active {
        background: var(--primary);
        color: var(--btn-text);
    }

    .quiz-split-layout {
        display: block;
        height: auto;
    }
    
    .quiz-catalog, .quiz-cart {
        display: none !important; 
        max-height: none !important;
        border-bottom: none !important;
        padding-bottom: 0 !important;
        overflow-y: visible !important;
    }
    
    .quiz-catalog.active-tab, .quiz-cart.active-tab {
        display: flex !important;
    }
}

/* Left Column: Catalog */
.quiz-catalog {
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
    padding-right: 10px;
}

/* Ensure smooth scrolling on mobile but restrict height */

.quiz-catalog-category {
    margin-bottom: 15px;
}

.quiz-catalog-category h5 {
    margin: 0 0 10px 0;
    font-size: 1.1rem;
    color: var(--primary);
    border-bottom: 1px solid var(--quiz-border);
    padding-bottom: 5px;
}

.quiz-work-item {
    background: var(--light-bg);
    border-radius: 8px;
    padding: 12px 15px;
    margin-bottom: 8px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.1s, box-shadow 0.1s;
    user-select: none;
}

.quiz-work-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.quiz-work-item:active {
    transform: translateY(0);
}

.quiz-work-name {
    font-size: 0.95rem;
    color: var(--text-main);
    flex-grow: 1;
    padding-right: 10px;
    min-width: 0;
}

.quiz-work-price {
    font-weight: 600;
    color: var(--primary);
    white-space: nowrap;
    font-size: 0.9rem;
}

/* Right Column: Cart */
.quiz-cart {
    display: flex;
    flex-direction: column;
    background: var(--light-bg);
    border-radius: 12px;
    padding: 20px;
    overflow-y: auto;
}

.quiz-cart h4 {
    margin: 0 0 15px 0;
    color: var(--text-main);
    font-size: 1.2rem;
    text-align: center;
}

.quiz-cart-empty {
    text-align: center;
    color: var(--text-muted);
    margin: auto 0;
    padding: 20px 0;
    font-style: italic;
}

.quiz-cart-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-cart-item {
    background: var(--white);
    border-radius: 8px;
    padding: 12px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    row-gap: 15px;
    align-items: center;
    border: 1px solid var(--quiz-border);
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}




.quiz-cart-item-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.3;
    grid-column: 1 / 3;
    margin-bottom: 0px;
}

.quiz-cart-item-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.quiz-cart-item-input {
    /* Styles handled by .calc-stepper input */
}

.quiz-cart-item-input:focus {
    outline: none;
    border-color: var(--primary);
}

.quiz-cart-item-unit {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.quiz-cart-item-total {
    font-weight: 600;
    color: var(--text-main);
    min-width: 80px;
    text-align: right;
    font-size: 0.95rem;
}

.quiz-cart-item-delete {
    background: none;
    border: none;
    color: #ff4d4f;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px;
    line-height: 1;
    transition: opacity 0.2s;
}

.quiz-cart-item-delete:hover {
    opacity: 0.7;
}

.quiz-cart-disclaimer {
    margin-top: auto;
    padding-top: 20px;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.4;
}
/* Custom Stepper - Unified UI */
.calc-stepper {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--quiz-border);
    border-radius: 6px;
    background: var(--white);
    overflow: hidden;
    height: 36px;
}
.calc-stepper input[type="number"] {
    width: 60px;
    height: 100%;
    border: none;
    border-left: 1px solid var(--quiz-border);
    border-right: 1px solid var(--quiz-border);
    border-radius: 0;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    background: transparent;
    -moz-appearance: textfield;
}
.calc-stepper input[type="number"]:focus {
    outline: none;
}
.calc-stepper input[type="number"]::-webkit-outer-spin-button,
.calc-stepper input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.calc-stepper button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-bg);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-main);
    padding: 0;
    transition: background 0.2s;
}
.calc-stepper button:hover {
    background: var(--quiz-border);
}
[data-theme="dark"] .calc-stepper button:hover {
    background: rgba(255,255,255,0.1);
}