* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --primary-color: #478DD2;
    --secondary-color: #CA140B;
    --accent-color: #E9A251;
    --success-color: #478DD2;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #E8EDE7;
    --text-secondary: #cbd5e1;
    --cauldron-color: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--bg-color) 0%, #1e293b 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-bottom: 30px;
    animation: fadeInDown 0.6s ease-out;
}

header h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 8px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: clamp(1.1rem, 3.5vw, 1.4rem);
    opacity: 0.95;
    font-weight: 500;
}

/* Game Screen */
.game-screen {
    animation: fadeIn 0.6s ease-out;
}

.instruction {
    text-align: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 16px;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.instruction p {
    font-size: clamp(1rem, 3.5vw, 1.2rem);
    color: var(--text-secondary);
}

/* Cauldron */
.cauldron-container {
    text-align: center;
    margin-bottom: 30px;
}

.cauldron {
    width: 200px;
    height: 200px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--cauldron-color), #475569);
    border-radius: 50% 50% 45% 45%;
    position: relative;
    box-shadow:
        inset 0 -10px 30px rgba(0, 0, 0, 0.4),
        0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.cauldron::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 20px;
    background: linear-gradient(135deg, #64748b, #475569);
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.cauldron-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    transition: height 0.6s ease;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    overflow: hidden;
}

.cauldron.bubbling {
    animation: bubble 0.5s ease;
}

.cauldron-content.filling {
    animation: glow 1s ease infinite;
}

.ingredient-in-cauldron {
    font-size: 1.8rem;
    animation: dropIn 0.5s ease;
}

.progress-text {
    font-size: clamp(1rem, 3.5vw, 1.2rem);
    color: var(--text-secondary);
    font-weight: 600;
}

#progressCount {
    color: var(--accent-color);
    font-size: clamp(1.2rem, 4vw, 1.5rem);
}

/* Ingredients Grid */
.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    padding-bottom: 20px;
}

.ingredient {
    background: linear-gradient(135deg, var(--card-bg), #334155);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 16px;
    padding: 25px 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    touch-action: manipulation;
}

.ingredient:active {
    transform: scale(0.95);
}

.ingredient[data-added="false"]:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.ingredient[data-added="true"] {
    opacity: 0.3;
    cursor: not-allowed;
    border-color: rgba(99, 102, 241, 0.1);
}

.ingredient-icon {
    font-size: clamp(2.5rem, 8vw, 3.5rem);
    margin-bottom: 10px;
    display: block;
}

.ingredient-name {
    font-size: clamp(0.9rem, 3vw, 1.1rem);
    font-weight: 600;
    color: var(--text-primary);
}

.ingredient.adding {
    animation: addIngredient 0.6s ease;
}

/* Celebration Screen */
.celebration-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--bg-color), #1e293b);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
}

.celebration-screen.show {
    display: block;
    animation: fadeIn 1s ease;
}

.fireworks {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.fireworks::before,
.fireworks::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    box-shadow:
        0 0 100px 50px var(--accent-color),
        100px 50px 100px 50px var(--primary-color),
        -100px 100px 100px 50px var(--secondary-color),
        150px 150px 100px 50px var(--success-color);
    animation: firework 3s ease infinite;
}

.fireworks::after {
    animation-delay: 1.5s;
}

.celebration-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 40px 20px;
}

.celebration-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    text-align: center;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: bounce 1s ease;
}

.celebration-name {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 40px;
    animation: fadeIn 1.5s ease;
}

.celebration-message {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px 25px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideUp 1s ease;
}

.celebration-message > p {
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-align: center;
}

.recipe-list {
    list-style: none;
    padding: 0;
}

.recipe-list li {
    font-size: clamp(1rem, 3.5vw, 1.2rem);
    padding: 15px;
    margin-bottom: 10px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    animation: slideIn 0.5s ease backwards;
}

.recipe-list li:nth-child(1) { animation-delay: 0.2s; }
.recipe-list li:nth-child(2) { animation-delay: 0.4s; }
.recipe-list li:nth-child(3) { animation-delay: 0.6s; }
.recipe-list li:nth-child(4) { animation-delay: 0.8s; }
.recipe-list li:nth-child(5) { animation-delay: 1s; }
.recipe-list li:nth-child(6) { animation-delay: 1.2s; }

.final-wish {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(139, 92, 246, 0.2));
    border: 2px solid var(--accent-color);
    border-radius: 20px;
    padding: 30px 25px;
    margin-bottom: 30px;
    text-align: center;
    animation: slideUp 1.5s ease;
}

.final-wish p {
    font-size: clamp(1.1rem, 3.5vw, 1.3rem);
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.8;
}

.signature {
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    color: var(--accent-color);
    font-weight: 600;
    font-style: italic;
}

.btn-restart {
    width: 100%;
    padding: 18px 32px;
    font-size: clamp(1.1rem, 3.5vw, 1.3rem);
    font-weight: 600;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transition: all 0.3s ease;
    touch-action: manipulation;
    animation: slideUp 2s ease;
}

.btn-restart:active {
    transform: scale(0.98);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-20px);
    }
    50% {
        transform: translateY(0);
    }
    75% {
        transform: translateY(-10px);
    }
}

@keyframes bubble {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.3);
    }
}

@keyframes addIngredient {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2) rotate(10deg);
    }
    100% {
        transform: scale(0) rotate(360deg);
        opacity: 0;
    }
}

@keyframes dropIn {
    from {
        transform: translateY(-100px) scale(0);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes firework {
    0% {
        transform: translateY(100vh);
        opacity: 1;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 375px) {
    .container {
        padding: 15px;
    }

    header {
        padding: 20px 15px;
    }

    .cauldron {
        width: 180px;
        height: 180px;
    }

    .ingredients-grid {
        gap: 12px;
    }
}

@media (min-width: 600px) {
    .ingredients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}