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

html {
    height: 100%;
    background: linear-gradient(135deg, #fce4ec, #f8bbd0, #f48fb1);
}

body {
    min-height: 100%;
    background: inherit;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Georgia', serif;
    overflow: hidden;
}

.container {
    text-align: center;
    animation: fadeIn 1s ease-in;
}

h1 {
    font-size: 3rem;
    color: #c62828;
    margin-bottom: 40px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.doggo-img {
    max-width: 300px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.btn {
    padding: 15px 50px;
    font-size: 1.4rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-family: 'Georgia', serif;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
}

.yes-btn {
    background: #e53935;
    color: white;
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4);
}

.yes-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(229, 57, 53, 0.6);
}

.no-btn {
    background: #78909c;
    color: white;
    position: relative;
    box-shadow: 0 4px 15px rgba(120, 144, 156, 0.4);
}

.no-btn.dodging {
    position: fixed;
    z-index: 100;
    transition: none;
}

.yes-screen {
    display: none;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: linear-gradient(135deg, #e91e63, #f44336, #ff5722);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 20px;
    z-index: 1000;
    animation: fadeIn 0.5s ease-in;
}

.yes-screen.active {
    display: flex;
}

.yes-screen h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 30px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hearts {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.hearts span {
    font-size: 3rem;
    color: white;
    animation: float 2s ease-in-out infinite;
}

.hearts span:nth-child(2) { animation-delay: 0.3s; }
.hearts span:nth-child(3) { animation-delay: 0.6s; }
.hearts span:nth-child(4) { animation-delay: 0.9s; }
.hearts span:nth-child(5) { animation-delay: 1.2s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

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

/* Mobile & Tablet */
@media (max-width: 768px) {
    .container {
        width: 100%;
        padding: 0 20px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    h1 {
        font-size: 2rem;
        margin-bottom: 25px;
    }

    .doggo-img {
        max-width: 220px;
        margin-bottom: 20px;
    }

    .btn {
        padding: 12px 35px;
        font-size: 1.1rem;
    }

    .buttons {
        gap: 20px;
    }

    .yes-screen h1 {
        font-size: 2.5rem;
    }

    .hearts span {
        font-size: 2rem;
    }
}

@media (max-width: 400px) {
    h1 {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }

    .doggo-img {
        max-width: 180px;
    }

    .btn {
        padding: 10px 28px;
        font-size: 1rem;
    }

    .yes-screen h1 {
        font-size: 1.8rem;
    }
}