/* ═══════════════════════════════════════════════
   CONNECT 4 SPECIFIC STYLES
   ═══════════════════════════════════════════════ */

:root {
    --c4-p1: #ef4444; /* Rot */
    --c4-p2: #eab308; /* Gelb */
    --c4-board: #1e3a8a; /* Blaues Board */
}

.ambient-glow.amber {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
    top: -10vh; left: 10vw;
}

.c4-board-container {
    padding: 10px;
    background: linear-gradient(180deg, rgba(30,58,138,0.8), rgba(30,58,138,1));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg), inset 0 10px 20px rgba(255,255,255,0.1);
    border: 3px solid #3b82f6;
    margin-top: 10px;
}

.c4-board {
    display: flex;
    gap: 8px;
    background: transparent;
}

.c4-column {
    display: flex;
    flex-direction: column-reverse; /* Bottom to top */
    gap: 8px;
    cursor: pointer;
    padding: 5px;
    border-radius: var(--radius-md);
    transition: background 0.2s;
}

.c4-column:hover:not(.disabled) {
    background: rgba(255,255,255,0.1);
}

.c4-cell {
    width: clamp(35px, 8vw, 60px);
    height: clamp(35px, 8vw, 60px);
    background: var(--bg-primary); /* Hole */
    border-radius: 50%;
    box-shadow: inset 0 5px 10px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.c4-chip {
    position: absolute;
    inset: 2px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.2);
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    animation: dropIn 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.c4-chip.p1 {
    background: radial-gradient(circle at 30% 30%, #fca5a5, var(--c4-p1), #991b1b);
}

.c4-chip.p2 {
    background: radial-gradient(circle at 30% 30%, #fef08a, var(--c4-p2), #854d0e);
}

.c4-cell.win-highlight .c4-chip {
    animation: pulseGlow 1s infinite alternate;
}

@keyframes dropIn {
    0% { transform: translateY(-400px); }
    60% { transform: translateY(20px); }
    80% { transform: translateY(-10px); }
    100% { transform: translateY(0); }
}

@keyframes pulseGlow {
    from { filter: brightness(1) drop-shadow(0 0 5px white); }
    to { filter: brightness(1.3) drop-shadow(0 0 20px white); }
}

.p1-color { color: var(--c4-p1) !important; text-shadow: 0 0 10px rgba(239, 68, 68, 0.5); }
.p2-color { color: var(--c4-p2) !important; text-shadow: 0 0 10px rgba(234, 179, 8, 0.5); }