html, body {
    min-height: 100svh;
    width: 100%;
    background-color: #400000;
    margin: 0;
    padding: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Times New Roman', serif;
}

body {
    background-image: radial-gradient(circle at center, #630617, #400000);
    background-attachment: fixed;
}

.proposal-box {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 25px;
    padding: 50px 30px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    z-index: 10;
    width: 90%;
    max-width: 500px;
}

h1 {
    font-size: clamp(26px, 7vw, 38px);
    margin-bottom: 45px;
    color: white;
    line-height: 1.3;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.main-btn-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 150px;
    gap: 20px;
}

.btn-slot {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 140px;
}

.val-btn {
    background: linear-gradient(135deg, #8b0000, #5a0000);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 35px;
    border-radius: 30px;
    font-size: 1.2rem;
    cursor: pointer;
    min-width: 110px;
    font-family: 'Times New Roman', serif;
}

#yesBtn {
    z-index: 100; /* Priority layer */
    position: relative;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

#noBtn {
    z-index: 50; /* Lower layer so it goes behind Yes */
    transition: left 0.15s ease-out, top 0.15s ease-out;
}

.custom-alert {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(30, 0, 0, 0.98);
    border: 2px solid #ff4d4d;
    padding: 30px;
    border-radius: 20px;
    color: white;
    text-align: center;
    z-index: 1000;
}

.custom-alert button {
    margin-top: 20px;
    background: #8b0000;
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 15px;
    cursor: pointer;
}

#overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 900;
}