html, body {
    font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    background: #04121F;
}

/* Deep ocean gradient backdrop */
.mud-layout,
.mud-main-content {
    background: linear-gradient(180deg, #0A2A43 0%, #06182A 45%, #03101C 100%);
    min-height: 100vh;
}

/* Subtle light rays from the surface */
.mud-main-content::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 40vh;
    background: radial-gradient(ellipse at 50% -10%, rgba(79, 195, 247, 0.18) 0%, rgba(79, 195, 247, 0) 60%);
    pointer-events: none;
    z-index: 0;
}

/* Rising bubbles */
.bubble {
    position: fixed;
    bottom: -40px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.5), rgba(178, 235, 242, 0.12));
    border: 1px solid rgba(178, 235, 242, 0.25);
    pointer-events: none;
    z-index: 1;
    animation: rise linear infinite;
}

@keyframes rise {
    0%   { transform: translateY(0) translateX(0) scale(1); opacity: 0; }
    10%  { opacity: 0.7; }
    90%  { opacity: 0.5; }
    100% { transform: translateY(-110vh) translateX(30px) scale(1.15); opacity: 0; }
}

/* Dial cards */
.dial-card {
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    background: rgba(10, 31, 48, 0.85) !important;
    border: 1px solid rgba(79, 195, 247, 0.25);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.dial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(30, 136, 229, 0.35);
    border-color: rgba(79, 195, 247, 0.6);
}

.dial-content {
    padding: 24px 16px;
    text-align: center;
}

/* Smut page */
.sfx {
    font-style: italic;
    color: #78909C;
}

.voice-line {
    line-height: 1.7;
}

/* Paper / content panels get a translucent ocean glass look */
.mud-paper {
    background: rgba(10, 31, 48, 0.7) !important;
    border: 1px solid rgba(79, 195, 247, 0.2);
    backdrop-filter: blur(4px);
}