* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #fce4ec 0%, #e8eaf6 50%, #f3e5f5 100%);
    background-attachment: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    text-align: center;
    padding: 20px;
    width: 100%;
}

h1 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    color: #c2677a;
    letter-spacing: 0.02em;
    margin: 0 0 16px;
    text-shadow: 0 2px 12px rgba(194, 103, 122, 0.25);
}

.controls {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 24px;
    padding: 12px 20px;
    margin-bottom: 18px;
    box-shadow: 0 4px 24px rgba(160, 130, 180, 0.15), 0 1px 4px rgba(160, 130, 180, 0.1);
}

select {
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 36px 8px 14px;
    border-radius: 14px;
    border: 1.5px solid rgba(200, 180, 220, 0.5);
    background: rgba(255, 255, 255, 0.7) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c2677a' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;
    appearance: none;
    -webkit-appearance: none;
    color: #6b5b7b;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

select:hover {
    border-color: rgba(194, 103, 122, 0.6);
    box-shadow: 0 2px 10px rgba(194, 103, 122, 0.15);
    transform: translateY(-1px);
}

select:focus {
    outline: none;
    border-color: #c2677a;
    box-shadow: 0 0 0 3px rgba(194, 103, 122, 0.2);
}

button {
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 8px 20px;
    border-radius: 14px;
    border: none;
    background: linear-gradient(135deg, #e8a0b0, #c2677a);
    color: white;
    cursor: pointer;
    letter-spacing: 0.02em;
    box-shadow: 0 3px 12px rgba(194, 103, 122, 0.35);
    transition: box-shadow 0.2s, transform 0.15s, filter 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(194, 103, 122, 0.45);
    filter: brightness(1.05);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(194, 103, 122, 0.3);
}

#status {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 700;
    color: #6b5b7b;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 999px;
    padding: 6px 22px;
    box-shadow: 0 2px 12px rgba(160, 130, 180, 0.15);
    min-width: min(280px, 60vw);
    white-space: nowrap;
}

#sidePicker {
    display: inline-flex;
    border-radius: 14px;
    overflow: hidden;
    border: 1.5px solid rgba(200, 180, 220, 0.5);
}

.side-btn {
    font-size: 1.1rem;
    padding: 7px 13px;
    border-radius: 0;
    border: none;
    background: rgba(255, 255, 255, 0.55);
    color: #6b5b7b;
    box-shadow: none;
    transition: background 0.15s;
}

.side-btn:hover {
    transform: none;
    box-shadow: none;
    filter: none;
    background: rgba(255, 255, 255, 0.8);
}

.side-btn.active {
    background: linear-gradient(135deg, #e8a0b0, #c2677a);
    color: white;
}

.paw {
    display: inline-block;
    filter: sepia(1) saturate(8) brightness(1.3);
}

#scoreboard {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    font-weight: 800;
    color: #6b5b7b;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 999px;
    padding: 8px 28px;
    box-shadow: 0 2px 12px rgba(160, 130, 180, 0.15);
    margin: 0 auto 14px;
    display: inline-block;
    letter-spacing: 0.05em;
}

#board {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: clamp(4px, 1.2vmin, 10px);
    background: #f5f0ff;
    padding: clamp(6px, 1.2vmin, 12px);
    border-radius: clamp(14px, 2vmin, 24px);
    width: min(calc((78vh - 160px) * 7 / 6), 90vw);
    max-width: 900px;
    margin: 0 auto;
    box-shadow:
        0 24px 80px rgba(100, 100, 200, 0.22),
        0 6px 24px rgba(100, 100, 200, 0.14),
        0 0 0 1px rgba(180, 180, 230, 0.2);
    position: relative;
}

.cell {
    width: 100%;
    aspect-ratio: 1;
    background: transparent;
    position: relative;
    z-index: 1;
}

.token {
    width: 100%;
    height: 100%;
    border-radius: 0;
    position: absolute;
    top: -100%;
    animation: drop 0.3s ease forwards;
}

.player1 {
    background: radial-gradient(circle at 35% 30%, #ffcc80, #ff8a65, #e64a19);
    box-shadow:
        inset 0 3px 8px rgba(255, 255, 255, 0.35),
        inset 0 -3px 8px rgba(0, 0, 0, 0.2),
        0 2px 8px rgba(230, 74, 25, 0.3);
}

.player2 {
    background: radial-gradient(circle at 35% 30%, #b0bec5, #546e7a, #263238);
    box-shadow:
        inset 0 3px 8px rgba(255, 255, 255, 0.25),
        inset 0 -3px 8px rgba(0, 0, 0, 0.3),
        0 2px 8px rgba(38, 50, 56, 0.35);
}

.winning .token {
    top: 0;
    animation: winPulse 0.8s ease-in-out infinite alternate;
}

@keyframes winPulse {
    from { box-shadow: inset 0 0 6px 2px rgba(255, 215, 0, 0.7), inset 0 3px 8px rgba(255,255,255,0.25); }
    to   { box-shadow: inset 0 0 24px 10px rgba(255, 215, 0, 0.95), inset 0 3px 8px rgba(255,255,255,0.25); }
}

.token.ghost {
    opacity: 0.18;
    filter: brightness(1.8) saturate(0.3);
    pointer-events: none;
}

@media (hover: none) {
    .token.ghost { display: none; }
}

.board-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10;
    border-radius: clamp(14px, 2vmin, 24px);
    overflow: hidden;
}

.hidden {
    display: none;
}

@keyframes drop {
    to { top: 0; }
}

/* Prevent permanent tokens (inside cells) from animating when they are inserted */
#board .cell:not(.winning) > .token {
  transition: none !important;
  animation: none !important;
  opacity: 1 !important;
  transform: none !important;
  top: 0 !important;
}

/* Ensure cells act as a positioning context if needed */
#board .cell {
  position: relative;
}

/* ── Game-over overlay ── */
#game-over {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(240, 235, 255, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: overlayIn 0.35s ease forwards;
}

#game-over.hidden {
    display: none;
}

@keyframes overlayIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.game-over-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--accent, #9fb3e8);
    border-radius: 28px;
    padding: clamp(28px, 5vw, 52px) clamp(28px, 6vw, 64px);
    max-width: min(420px, 88vw);
    text-align: center;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15), 0 4px 20px rgba(0, 0, 0, 0.08);
    animation: cardIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(-50px) scale(0.9); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

#game-over-emoji {
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1;
    margin-bottom: 12px;
}

#game-over-title {
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    color: var(--accent, #9fb3e8);
    margin: 0 0 8px;
}

#game-over-sub {
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    font-weight: 600;
    color: #6b5b7b;
    margin: 0 0 24px;
}

#playAgainBtn {
    width: 100%;
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    padding: 14px 24px;
    border-radius: 16px;
}