* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #000000 0%, #000000 50%, #000000 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #fff;
    overflow-x: hidden;
}

.background {
    background-image: url(./Screenshot\ 2025-11-10\ 181843.png);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
}

.background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.container {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: clamp(20px, 4vw, 40px);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    max-width: min(600px, 90vw);
    width: 100%;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(120, 119, 198, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

header {
    margin-bottom: 25px;
}

.heading {
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 50%, #ffffff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: clamp(1.8em, 5vw, 2.8em);
    margin-bottom: 5px;
    font-weight: 800;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

.color-display {
    font-size: clamp(1.2em, 3vw, 1.8em);
    margin: 15px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.message {
    font-size: clamp(1.1em, 3vw, 1.4em);
    margin: 20px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 500;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.streak-section {
    display: flex;
    gap: 12px;
    margin: 20px 0;
    justify-content: center;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.streak-box {
    flex: 1;
    min-width: 120px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 18px 15px;
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.streak-box:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.streak-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--start), var(--end));
}

.streak-box:first-child {
    --start: #ff6b6b;
    --end: #ffd166;
}

.streak-box:last-child {
    --start: #118ab2;
    --end: #06d6a0;
}

.streak-box h3 {
    font-size: 0.85em;
    margin-bottom: 8px;
    opacity: 0.9;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.streak-number {
    font-size: clamp(2em, 5vw, 2.5em);
    font-weight: 800;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.streak-box:hover .streak-number {
    transform: scale(1.1);
}

#currentStreak {
    background: linear-gradient(135deg, #ffd166 0%, #ff6b6b 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

#bestStreak {
    background: linear-gradient(135deg, #118ab2 0%, #06d6a0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.controls {
    display: flex;
    gap: 10px;
    margin: 25px 0;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    flex-direction: row;
}

.control-btn, .mode-btn, .reset-btn {
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: clamp(0.9em, 2vw, 1.1em);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    flex-shrink: 0;
}

.control-btn {
    background: linear-gradient(135deg, #118ab2 0%, #06d6a0 100%);
    color: white;
    box-shadow: 0 5px 15px rgba(6, 214, 160, 0.4);
    min-width: 120px;
}

.control-btn:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 20px rgba(6, 214, 160, 0.5);
}

.mode-btn {
    background: linear-gradient(135deg, #0f8a4f 0%, #06d6a0 100%);
    color: white;
    box-shadow: 0 5px 15px rgba(6, 214, 160, 0.4);
    min-width: 80px;
}

.mode-btn:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 20px rgba(6, 214, 160, 0.5);
}

.mode-btn.selected {
    background: linear-gradient(135deg, #d51d1d 0%, #c32d0f 100%);
    box-shadow: 0 5px 15px rgba(211, 29, 29, 0.4);
}

.mode-btn.selected:hover:not(:disabled) {
    box-shadow: 0 10px 20px rgba(211, 29, 29, 0.5);
}

.reset-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    min-width: 100px;
}

.reset-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.1);
}

.control-btn:active:not(:disabled),
.mode-btn:active:not(:disabled),
.reset-btn:active {
    transform: translateY(0) scale(0.98);
}

.control-btn:disabled,
.mode-btn:disabled {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.3);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.color-box-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(15px, 3vw, 20px);
    max-width: min(600px, 90vw);
    margin: 0 auto;
    padding: 10px;
}

.color-box {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 18px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    background: #333;
    border: 2px solid transparent;
}

.color-box:hover {
    transform: scale(1.08) rotate(2deg);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.color-box:active {
    transform: scale(0.95) rotate(0deg);
    transition: all 0.1s ease;
}

.color-box.correct {
    animation: correctPulse 0.6s ease-in-out;
    box-shadow: 0 0 30px rgba(6, 214, 160, 0.6);
}

.color-box.incorrect {
    animation: shake 0.5s ease-in-out;
    opacity: 0.3;
}

@keyframes correctPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); box-shadow: 0 0 40px rgba(6, 214, 160, 0.8); }
    100% { transform: scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.color-box-container.easy-mode {
    grid-template-columns: repeat(3, 1fr);
    max-width: min(400px, 80vw);
}

.color-box-container.hard-mode {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .container {
        padding: 20px 15px;
        border-radius: 20px;
    }
    
    .streak-section {
        gap: 10px;
        max-width: 350px;
    }
    
    .streak-box {
        min-width: 100px;
        padding: 15px 12px;
    }
    
    .controls {
        gap: 8px;
    }
    
    .control-btn, .mode-btn, .reset-btn {
        padding: 12px 15px;
        font-size: 0.85em;
    }
    
    .control-btn {
        min-width: 100px;
    }
    
    .mode-btn {
        min-width: 70px;
    }
    
    .reset-btn {
        min-width: 90px;
    }
}

@media (max-width: 600px) {
    .controls {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .control-btn, .mode-btn, .reset-btn {
        flex: 1;
        min-width: auto;
        max-width: calc(33.333% - 6px);
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 15px 12px;
        border-radius: 16px;
    }
    
    .streak-section {
        max-width: 300px;
    }
    
    .streak-box {
        min-width: 90px;
        padding: 12px 10px;
    }
    
    .streak-box h3 {
        font-size: 0.8em;
    }
    
    .streak-number {
        font-size: 1.8em;
    }
    
    .controls {
        gap: 6px;
    }
    
    .control-btn, .mode-btn, .reset-btn {
        padding: 10px 12px;
        font-size: 0.8em;
        border-radius: 10px;
    }
    
    .color-box-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
}
/* @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.container {
    animation: fadeIn 0.6s ease-out forwards;
} */