.connect4-shell {
  display: flex;
  flex-direction: column;
  gap: 0;
  color: #f8fafc;
  border-radius: 14px;
  background: #07090c;
  overflow: hidden;
}

.connect4-hero,
.connect4-layout,
.connect4-meta-row,
.connect4-hero-actions,
.connect4-drop-row {
  display: grid;
  gap: 14px;
}

.connect4-hero {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  padding: 16px 18px;
  border-radius: 0;
  background:
    radial-gradient(circle at top left, rgba(239, 68, 68, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(250, 204, 21, 0.16), transparent 36%),
    linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.connect4-kicker,
.connect4-panel-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.68);
}

.connect4-title,
.connect4-panel-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 800;
}

.connect4-title {
  margin-top: 6px;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
}

.connect4-copy,
.connect4-stage-copy,
.connect4-detail-copy,
.connect4-log-meta,
.connect4-player-meta {
  color: rgba(226, 232, 240, 0.76);
}

.connect4-meta-row {
  grid-template-columns: repeat(3, minmax(0, max-content));
  margin-top: 10px;
}

.connect4-pill {
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.06);
  font-size: 0.76rem;
  font-weight: 700;
}

.connect4-layout {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 300px);
  align-items: start;
  gap: 12px;
  padding: 12px;
}

.connect4-main,
.connect4-player-list,
.connect4-log-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.connect4-sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 12px;
  max-height: 90vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(96, 165, 250, 0.3) transparent;
}

.connect4-sidebar::-webkit-scrollbar { width: 4px; }
.connect4-sidebar::-webkit-scrollbar-thumb { background: rgba(96, 165, 250, 0.3); border-radius: 4px; }

.connect4-stage,
.connect4-panel {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.105);
  background: rgba(8, 13, 18, 0.86);
  backdrop-filter: blur(12px);
}

.connect4-stage-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
  margin-bottom: 14px;
}

.connect4-drop-row {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.connect4-drop-btn {
  border: 1px solid rgba(96, 165, 250, 0.4);
  border-radius: 10px;
  padding: 10px 8px;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.94), rgba(37, 99, 235, 0.88));
  color: white;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease, box-shadow 140ms ease;
  will-change: transform;
}

.connect4-drop-btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.connect4-drop-btn:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.4);
}

.connect4-drop-btn:not(:disabled):active {
  transform: translateY(0);
}

.connect4-drop-btn:focus-visible {
  outline: 2px solid rgba(96, 165, 250, 0.8);
  outline-offset: 2px;
}

.connect4-board-shell {
  padding: 16px;
  border-radius: 20px;
  background:
    radial-gradient(ellipse at 50% 35%, rgba(59,130,246,.28), transparent 58%),
    linear-gradient(180deg, rgba(30, 64, 175, 0.96), rgba(29, 78, 216, 0.88));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1), 0 16px 42px rgba(0,0,0,.34);
}

.connect4-board {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.connect4-cell {
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  padding: 8px;
  background: rgba(15, 23, 42, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.connect4-cell.is-winning {
  box-shadow: 0 0 0 2px rgba(250, 204, 21, 0.9);
}

.connect4-token {
  width: 100%;
  height: 100%;
  border-radius: 999px;
  background: rgba(226, 232, 240, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: background 0.18s ease, box-shadow 0.18s ease;
}

@keyframes tokenDrop {
  0% { transform: scaleY(0.7) translateY(-20px); opacity: 0.4; }
  65% { transform: scaleY(1.08) translateY(3px); }
  82% { transform: scaleY(0.96) translateY(-1px); }
  100% { transform: scaleY(1) translateY(0); opacity: 1; }
}

.connect4-token.filled {
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), transparent 22%),
    radial-gradient(circle at center, var(--token, #94a3b8), color-mix(in srgb, var(--token, #94a3b8) 72%, black));
  box-shadow:
    inset 0 -10px 18px rgba(0, 0, 0, 0.18),
    0 10px 18px rgba(2, 6, 23, 0.22);
  animation: tokenDrop 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
  will-change: transform;
}

.connect4-cell.is-winning .connect4-token.filled {
  box-shadow:
    inset 0 -10px 18px rgba(0, 0, 0, 0.18),
    0 0 0 3px rgba(250, 204, 21, 0.9),
    0 10px 18px rgba(2, 6, 23, 0.22);
}

@media (prefers-reduced-motion: reduce) {
  .connect4-token.filled { animation: none; }
}


/* ── Last Drop panel ─────────────────────────────────────────── */
.connect4-lastdrop-panel {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.105);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(239, 68, 68, 0.18) 0%, transparent 52%),
    radial-gradient(ellipse at 100% 100%, rgba(250, 204, 21, 0.14) 0%, transparent 52%),
    rgba(8, 13, 18, 0.88);
  backdrop-filter: blur(12px);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.connect4-lastdrop-panel.has-move {
  border-color: rgba(var(--ldtoken-rgb, 148, 163, 184), 0.38);
  box-shadow:
    0 0 0 1px rgba(var(--ldtoken-rgb, 148, 163, 184), 0.1) inset,
    0 8px 28px -10px rgba(0, 0, 0, 0.5);
}

/* top accent bar that shifts colour with the token */
.connect4-lastdrop-panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 22px 22px 0 0;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--ldtoken, rgba(148, 163, 184, 0.5)) 40%,
    rgba(250, 204, 21, 0.7) 70%,
    transparent 100%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.connect4-lastdrop-panel.has-move::before {
  opacity: 1;
}

/* decorative large ghost disc */
.connect4-lastdrop-bg-disc {
  position: absolute;
  top: -28px;
  right: -28px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%,
    rgba(255, 255, 255, 0.18),
    var(--ldtoken, rgba(148, 163, 184, 0.12)) 50%,
    transparent 75%);
  opacity: 0.35;
  pointer-events: none;
  transition: background 0.35s ease;
}

.connect4-lastdrop-inner {
  position: relative;
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.connect4-lastdrop-kicker {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(226, 232, 240, 0.6);
}

/* The actual token disc */
.connect4-lastdrop-token {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  margin-top: 2px;
  background:
    radial-gradient(circle at 32% 30%, rgba(255, 255, 255, 0.45), transparent 24%),
    radial-gradient(circle at center, var(--ldtoken, #94a3b8), color-mix(in srgb, var(--ldtoken, #94a3b8) 68%, black));
  box-shadow:
    inset 0 -6px 12px rgba(0, 0, 0, 0.22),
    0 6px 18px -4px color-mix(in srgb, var(--ldtoken, #94a3b8) 55%, transparent),
    0 0 0 2px rgba(255, 255, 255, 0.1) inset;
  animation: ldtokenPop 0.38s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes ldtokenPop {
  from { transform: scale(0.55); opacity: 0.2; }
  to   { transform: scale(1);    opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .connect4-lastdrop-token { animation: none; }
}

.connect4-lastdrop-headline {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  color: #f8fafc;
  line-height: 1.2;
}

.connect4-lastdrop-coords {
  display: flex;
  align-items: center;
  gap: 6px;
}

.connect4-lastdrop-coord {
  font-size: 0.8rem;
  color: rgba(226, 232, 240, 0.62);
}

.connect4-lastdrop-coord strong {
  color: rgba(250, 204, 21, 0.92);
  font-weight: 800;
}

.connect4-lastdrop-coord-sep {
  color: rgba(226, 232, 240, 0.3);
  font-size: 0.75rem;
}

.connect4-lastdrop-empty {
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.4);
  padding: 4px 0;
}

.connect4-lastdrop-action {
  font-size: 0.78rem;
  color: rgba(226, 232, 240, 0.52);
  line-height: 1.45;
  margin-top: 2px;
  padding-top: 8px;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
}

/* ── End Last Drop panel ─────────────────────────────────────── */

.connect4-player-row,
.connect4-log-item {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.06);
}

.connect4-player-row.is-active {
  box-shadow: inset 0 0 0 1px rgba(96, 165, 250, 0.36);
}

.connect4-player-row.is-winner {
  box-shadow: inset 0 0 0 1px rgba(250, 204, 21, 0.46);
}

.connect4-player-badge {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--token, #94a3b8);
  flex: 0 0 auto;
}

.connect4-player-copy {
  flex: 1 1 auto;
}

.connect4-player-name {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
  font-weight: 700;
}

.connect4-you-tag,
.connect4-ai-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.55rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.connect4-you-tag {
  background: rgba(96, 165, 250, 0.18);
  color: #93c5fd;
}

.connect4-ai-tag {
  background: rgba(168, 85, 247, 0.18);
  color: #d8b4fe;
}

.connect4-player-score {
  font-weight: 800;
  color: rgba(250, 204, 21, 0.96);
}

.connect4-log-item {
  align-items: start;
  justify-content: space-between;
}

.connect4-log-copy,
.connect4-empty-copy {
  color: rgba(241, 245, 249, 0.88);
}

@media (max-width: 1100px) {
  .connect4-layout {
    grid-template-columns: 1fr;
  }
  .connect4-sidebar {
    position: static;
    max-height: none;
    overflow-y: visible;
  }
}

@media (max-width: 760px) {
  .connect4-hero,
  .connect4-info-grid {
    grid-template-columns: 1fr;
  }

  .connect4-meta-row {
    grid-template-columns: 1fr;
  }

  /* Keep all 7 drop buttons visible; allow them to shrink */
  .connect4-drop-row {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 6px;
  }

  .connect4-drop-btn {
    padding: 8px 4px;
    font-size: 0.8rem;
    border-radius: 10px;
  }
}