/* ronpa.day - Cyberpunk Debate Arena */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --arena-dark: #0D1117;
    --navy-deep: #1A2744;
    --crimson-deep: #441A22;
    --neon-cyan: #00D4FF;
    --neon-pink: #FF2D78;
    --victory-gold: #FFD700;
    --slate: #8892A0;
    --light-text: #F0F4F8;
}
body {
    background: var(--arena-dark);
    color: var(--light-text);
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    overflow-x: hidden;
}

/* VS Hero Split */
#hero {
    position: relative;
    height: 70vh;
    min-height: 400px;
    display: flex;
    overflow: hidden;
}
.vs-left {
    flex: 1;
    background: var(--navy-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(0 0, 85% 0, 65% 100%, 0 100%);
}
.vs-right {
    flex: 1;
    background: var(--crimson-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(35% 0, 100% 0, 100% 100%, 15% 100%);
    margin-left: -20%;
}
.vs-label-text {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    letter-spacing: 0.15em;
    opacity: 0.15;
    color: var(--light-text);
}
.vs-divider {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}
.vs-badge {
    font-family: 'Black Ops One', cursive;
    font-size: 2.5rem;
    color: var(--victory-gold);
    text-shadow: 0 0 20px rgba(255,215,0,0.4);
}
.hero-overlay {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 3;
}
.hero-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: 0.08em;
    color: var(--light-text);
}
.hero-sub {
    font-size: 1rem;
    color: var(--neon-cyan);
    margin-top: 0.5rem;
}

/* Battlefield Masonry */
#battlefield {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
    columns: 3;
    column-gap: 16px;
}

/* Debate Cards */
.debate-card {
    break-inside: avoid;
    margin-bottom: 16px;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(0,212,255,0.1);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.debate-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.thesis-card { background: var(--navy-deep); }
.antithesis-card { background: var(--crimson-deep); border-color: rgba(255,45,120,0.15); }
.tall { min-height: 280px; }

.card-tag {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--neon-cyan);
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border: 1px solid rgba(0,212,255,0.3);
    border-radius: 2px;
    margin-bottom: 0.75rem;
}
.card-tag.red {
    color: var(--neon-pink);
    border-color: rgba(255,45,120,0.3);
}
.card-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem;
    letter-spacing: 0.05em;
    color: var(--light-text);
    margin-bottom: 0.75rem;
}
.card-body {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--slate);
}

/* Lightning Bolt */
.lightning {
    display: block;
    width: 20px;
    height: 30px;
    margin: 1rem auto 0.5rem;
}
.counter-text {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--victory-gold);
    opacity: 0.6;
}

/* Footer */
#footer {
    text-align: center;
    padding: 4rem 2rem;
}
.footer-text {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--slate);
    opacity: 0.3;
}

@media (max-width: 800px) { #battlefield { columns: 2; } }
@media (max-width: 500px) {
    #battlefield { columns: 1; }
    .vs-left, .vs-right { clip-path: none; }
    .vs-right { margin-left: 0; }
}