:root {
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --neon-blue: #00d2ff;
    --neon-red: #ff0055;
}

.membership-hero {
    padding: 140px 20px 80px;
    background: radial-gradient(circle at center, #1a1a2e 0%, #050510 100%);
    border-bottom: 1px solid var(--glass-border);
    text-align: center;
    margin-top: -80px;
}

.membership-hero h1 {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 15px;
    letter-spacing: 0.1em;
    text-shadow: 0 4px 10px rgba(0,0,0,0.8), 0 0 20px rgba(0,0,0,0.5);
}

.membership-hero p {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.4rem;
    color: #00d2ff;
    letter-spacing: 0.15em;
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0,0,0,0.9);
    margin-bottom: 0;
}

.test-container {
    max-width: 900px;
    margin: -60px auto 100px;
    background: #0a0a14;
    border-radius: 20px;
    padding: 60px;
    border: 1px solid #333;
    box-shadow: 0 40px 100px rgba(0,0,0,0.8);
    position: relative;
    overflow: hidden;
}

.test-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.test-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 20px;
}

#question-number {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.9rem;
    color: var(--neon-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.timer {
    font-family: 'Share Tech Mono', monospace;
    font-size: 2rem;
    color: #fff;
    text-shadow: 0 0 15px var(--neon-red);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.05);
    border-radius: 2px;
    margin-bottom: 50px;
}

.progress-inner {
    height: 100%;
    background: var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue);
    width: 0%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.question-text {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 40px;
    line-height: 1.6;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.option-btn {
    padding: 20px 30px;
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    background: rgba(255,255,255,0.02);
    color: #aaa;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    width: 100%;
    text-align: left;
}

.option-btn::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--glass-border);
    margin-right: 20px;
    transition: all 0.3s;
    flex-shrink: 0;
}

.option-btn:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
    border-color: var(--neon-blue);
    transform: translateX(10px);
}

.option-btn.selected {
    background: rgba(0, 210, 255, 0.1);
    color: var(--neon-blue);
    border-color: var(--neon-blue);
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.1);
}

.option-btn.selected::before {
    background: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
}

.hint-section {
    margin-top: 40px;
    background: rgba(0,0,0,0.2);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.hint-btn {
    background: transparent;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-family: 'Share Tech Mono', monospace;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}

.hint-btn:hover {
    background: var(--neon-blue);
    color: #000;
}

.hint-list {
    margin-top: 15px;
}

.hint-item {
    font-size: 0.9rem;
    color: #888;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    animation: fadeIn 0.5s ease-out;
}

.hint-item:last-child { border-bottom: none; }

.test-footer {
    margin-top: 50px;
}

.cta-button {
    width: 100%;
    padding: 20px;
    font-size: 1.2rem;
    letter-spacing: 4px;
    background: var(--neon-blue);
    color: #000;
    border: none;
    border-radius: 15px;
    font-weight: 900;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.cta-button:disabled {
    background: #222;
    color: #555;
    cursor: not-allowed;
}

.cta-button:not(:disabled):hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.4);
}

.secondary-btn {
    background: transparent;
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
}

.result-screen h2 {
    font-family: 'Noto Serif JP', serif;
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.score-circle {
    width: 200px;
    height: 200px;
    border: 2px solid var(--glass-border);
    background: radial-gradient(circle at center, rgba(0,210,255,0.1) 0%, transparent 70%);
    font-size: 5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 20px var(--neon-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

#fail-area {
    background: rgba(255, 0, 85, 0.05);
    border: 1px solid rgba(255, 0, 85, 0.2);
    color: #ff88aa;
    padding: 30px;
    border-radius: 20px;
    margin-top: 40px;
}

/* Red Square Grid for Q2 */
.color-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 100%;
    width: 320px;
    margin: 30px auto;
}

.color-square {
    aspect-ratio: 1;
    background-color: #300;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid var(--glass-border);
    transition: all 0.3s;
}

.color-square:hover {
    border-color: var(--neon-red);
    box-shadow: 0 0 15px var(--neon-red);
    transform: scale(1.05);
}

.color-square.selected {
    border-color: var(--neon-red);
    background-color: var(--neon-red);
    box-shadow: 0 0 30px var(--neon-red);
}

.start-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.start-screen p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #ccc;
    margin-bottom: 40px;
    max-width: 600px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

.corrupted-text {
    animation: corrupted-glitch 0.2s infinite;
    display: inline-block;
}

@keyframes corrupted-glitch {
    0% { transform: translate(0); }
    20% { transform: translate(-2px, 2px); }
    40% { transform: translate(-2px, -2px); }
    60% { transform: translate(2px, 2px); }
    80% { transform: translate(2px, -2px); }
    100% { transform: translate(0); }
}

.corrupted {
    background-color: #1a0000 !important;
    animation: jitter 0.1s infinite;
}

@keyframes jitter {
    0% { transform: translate(0,0); }
    25% { transform: translate(1px, 1px); }
    50% { transform: translate(-1px, 0); }
    75% { transform: translate(1px, -1px); }
    100% { transform: translate(0,0); }
}

.corrupted-box {
    border: 2px solid #ff0000 !important;
    background: rgba(50, 0, 0, 0.9) !important;
    box-shadow: 0 0 30px rgba(255, 0, 0, 0.3) !important;
}

.corrupted-box .question-text {
    color: #ff0000 !important;
    font-family: 'Share Tech Mono', monospace;
    text-shadow: 2px 2px 0px #000;
}

.hacked-success {
    animation: fadeIn 1s ease-out;
}

.hacked-success h3 {
    font-family: 'Share Tech Mono', monospace;
    letter-spacing: 5px;
    text-shadow: 0 0 10px #00ff00;
}

.shop-item:hover {
    background: #003300 !important;
    transform: scale(1.02);
    transition: all 0.2s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
    .test-container { 
        padding: 40px 15px 40px; 
        margin: -40px 10px 60px;
    }
    .membership-hero {
        padding: 120px 15px 60px;
    }
    .membership-hero h1 { 
        font-size: 2.2rem; 
        line-height: 1.2;
    }
    .membership-hero p {
        font-size: 1.1rem;
        letter-spacing: 0.1em;
    }
    .question-text {
        font-size: 1.3rem;
        margin-bottom: 30px;
    }
    .option-btn {
        padding: 15px 20px;
        font-size: 0.95rem;
    }
    .timer {
        font-size: 1.6rem;
    }
    .color-grid {
        gap: 10px;
        width: 100%;
        max-width: 280px;
    }
    .cta-button {
        padding: 15px;
        font-size: 1rem;
        letter-spacing: 2px;
    }
}

@media (max-width: 480px) {
    .membership-hero h1 {
        font-size: 1.5rem;
        letter-spacing: 0.05em;
        line-height: 1.4;
    }
    .membership-hero p {
        font-size: 1rem;
    }
    .question-text {
        font-size: 1.1rem;
    }
    .option-btn {
        font-size: 0.9rem;
        padding: 12px 15px;
    }
}