:root {
    --primary: #4A6CF7;
    --primary-dark: #3451B2;
    --accent: #6C5CE7;
    --success: #00B894;
    --warning: #FDCB6E;
    --danger: #E17055;
    --bg: #F0F4FF;
    --card: #FFFFFF;
    --text: #2D3436;
    --text-light: #636E72;
    --radius: 16px;
    --shadow: 0 8px 32px rgba(74, 108, 247, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== HEADER ===== */
.header {
    text-align: center;
    padding: 40px 20px 30px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-radius: 0 0 30px 30px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

    .header::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
        animation: shimmer 8s ease-in-out infinite;
    }

@keyframes shimmer {
    0%, 100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(30px, 20px);
    }
}

.header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.header p {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.header .icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
    position: relative;
    z-index: 1;
}

/* ===== PROGRESS ===== */
.progress-container {
    background: var(--card);
    border-radius: var(--radius);
    padding: 20px 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

    .progress-info .block-name {
        font-weight: 600;
        color: var(--primary);
        font-size: 0.95rem;
    }

    .progress-info .counter {
        font-weight: 700;
        color: var(--text-light);
        font-size: 0.9rem;
    }

.progress-bar {
    width: 100%;
    height: 10px;
    background: #E8ECF4;
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 10px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    position: relative;
}

    .progress-steps::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 2px;
        background: #E8ECF4;
        transform: translateY(-50%);
        z-index: 0;
    }

.step-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #E8ECF4;
    border: 2px solid #E8ECF4;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #B2BEC3;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

    .step-dot.active {
        background: var(--primary);
        border-color: var(--primary);
        color: white;
        transform: scale(1.15);
        box-shadow: 0 0 0 4px rgba(74, 108, 247, 0.2);
    }

    .step-dot.completed {
        background: var(--success);
        border-color: var(--success);
        color: white;
    }

/* ===== QUESTION CARD ===== */
.question-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    animation: fadeInUp 0.4s ease;
    display: none;
}

    .question-card.active {
        display: block;
    }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.question-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    text-align: center;
    line-height: 36px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.question-text {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 25px;
    line-height: 1.7;
}

/* ===== OPTIONS ===== */
.options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-btn {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    border: 2px solid #E8ECF4;
    border-radius: 12px;
    background: #FAFBFF;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: left;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text);
    width: 100%;
}

    .option-btn:hover {
        border-color: var(--primary);
        background: #F0F4FF;
        transform: translateX(4px);
    }

    .option-btn.selected {
        border-color: var(--primary);
        background: linear-gradient(135deg, rgba(74,108,247,0.08), rgba(108,92,231,0.08));
        box-shadow: 0 4px 15px rgba(74, 108, 247, 0.15);
    }

        .option-btn.selected .option-marker {
            background: var(--primary);
            border-color: var(--primary);
            color: white;
        }

.option-marker {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #D1D5E0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-light);
    transition: all 0.25s ease;
}

/* ===== YES / NO BUTTONS ===== */
.yn-options {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.yn-btn {
    flex: 1;
    max-width: 200px;
    padding: 18px 20px;
    border: 2px solid #E8ECF4;
    border-radius: 12px;
    background: #FAFBFF;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
}

    .yn-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    }

    .yn-btn.yes:hover, .yn-btn.yes.selected {
        border-color: var(--success);
        background: rgba(0, 184, 148, 0.08);
        color: var(--success);
    }

    .yn-btn.no:hover, .yn-btn.no.selected {
        border-color: var(--danger);
        background: rgba(225, 112, 85, 0.08);
        color: var(--danger);
    }

    .yn-btn.selected {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    }

/* ===== NAVIGATION ===== */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    gap: 15px;
}

.nav-btn {
    padding: 14px 32px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

    .nav-btn:disabled {
        opacity: 0.4;
        cursor: not-allowed;
        transform: none !important;
    }

.btn-back {
    background: #E8ECF4;
    color: var(--text-light);
}

    .btn-back:hover:not(:disabled) {
        background: #D1D5E0;
        transform: translateX(-3px);
    }

.btn-next {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    margin-left: auto;
}

    .btn-next:hover:not(:disabled) {
        transform: translateX(3px);
        box-shadow: 0 6px 20px rgba(74, 108, 247, 0.3);
    }

.btn-start {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 18px 48px;
    font-size: 1.15rem;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(74, 108, 247, 0.3);
}

    .btn-start:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 35px rgba(74, 108, 247, 0.4);
    }

/* ===== WELCOME SCREEN ===== */
.welcome-screen {
    text-align: center;
    padding: 40px 20px;
}

    .welcome-screen h2 {
        font-size: 1.5rem;
        margin-bottom: 15px;
        color: var(--text);
    }

    .welcome-screen p {
        color: var(--text-light);
        max-width: 550px;
        margin: 0 auto 30px;
        font-size: 1rem;
        line-height: 1.7;
    }

.blocks-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 30px 0;
    text-align: left;
}

.block-preview-item {
    background: var(--card);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    border-left: 4px solid var(--primary);
}

    .block-preview-item:nth-child(2) {
        border-left-color: var(--accent);
    }

    .block-preview-item:nth-child(3) {
        border-left-color: var(--success);
    }

    .block-preview-item h4 {
        font-size: 0.9rem;
        margin-bottom: 6px;
        color: var(--text);
    }

    .block-preview-item p {
        font-size: 0.8rem;
        color: var(--text-light);
        margin: 0;
    }

/* ===== RESULTS ===== */
.results-screen {
    display: none;
    animation: fadeInUp 0.6s ease;
}

    .results-screen.active {
        display: block;
    }

.result-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

    .result-card h3 {
        font-size: 1.2rem;
        margin-bottom: 20px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

        .result-card h3 .emoji {
            font-size: 1.5rem;
        }

.score-display {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.score-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
}

    .score-circle.high {
        background: linear-gradient(135deg, var(--success), #55EFC4);
        box-shadow: 0 6px 20px rgba(0, 184, 148, 0.3);
    }

    .score-circle.medium {
        background: linear-gradient(135deg, var(--warning), #F9A825);
        box-shadow: 0 6px 20px rgba(253, 203, 110, 0.3);
    }

    .score-circle.low {
        background: linear-gradient(135deg, var(--danger), #E17055);
        box-shadow: 0 6px 20px rgba(225, 112, 85, 0.3);
    }

.score-details {
    flex: 1;
}

    .score-details h4 {
        font-size: 1.05rem;
        margin-bottom: 5px;
    }

    .score-details p {
        font-size: 0.9rem;
        color: var(--text-light);
        line-height: 1.6;
    }

.score-bar-container {
    margin-top: 12px;
}

.score-bar-bg {
    width: 100%;
    height: 8px;
    background: #E8ECF4;
    border-radius: 8px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    border-radius: 8px;
    transition: width 1s ease;
}

    .score-bar-fill.high {
        background: var(--success);
    }

    .score-bar-fill.medium {
        background: var(--warning);
    }

    .score-bar-fill.low {
        background: var(--danger);
    }

/* ===== FINAL VERDICT ===== */
.verdict-card {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-radius: var(--radius);
    padding: 35px 30px;
    box-shadow: 0 10px 40px rgba(74, 108, 247, 0.25);
    text-align: center;
    margin-top: 25px;
}

    .verdict-card h2 {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }

    .verdict-card p {
        font-size: 1rem;
        line-height: 1.7;
        opacity: 0.95;
        max-width: 600px;
        margin: 0 auto;
    }

.verdict-emoji {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.restart-btn {
    margin-top: 30px;
    padding: 16px 40px;
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .restart-btn:hover {
        background: rgba(255,255,255,0.3);
        transform: translateY(-2px);
    }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .header h1 {
        font-size: 1.4rem;
    }

    .header p {
        font-size: 0.9rem;
    }

    .question-card {
        padding: 20px;
    }

    .question-text {
        font-size: 1rem;
    }

    .option-btn {
        padding: 14px 16px;
        font-size: 0.9rem;
    }

    .yn-options {
        flex-direction: column;
        align-items: center;
    }

    .yn-btn {
        max-width: 100%;
        width: 100%;
    }

    .nav-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }

    .blocks-preview {
        grid-template-columns: 1fr;
    }

    .score-display {
        flex-direction: column;
        text-align: center;
    }

    .container {
        padding: 12px;
    }
}

/* ===== UTILITY ===== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeInUp 0.4s ease;
}

/* Block intro */
.block-intro {
    background: var(--card);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    text-align: center;
    display: none;
    animation: fadeInUp 0.4s ease;
}

    .block-intro.active {
        display: block;
    }

    .block-intro .block-icon {
        font-size: 2.5rem;
        margin-bottom: 10px;
    }

    .block-intro h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
        color: var(--primary);
    }

    .block-intro p {
        color: var(--text-light);
        font-size: 0.95rem;
        max-width: 500px;
        margin: 0 auto;
        line-height: 1.6;
    }

    .block-intro .btn-next {
        margin-top: 20px;
    }