:root {
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --red: #ef4444;
    --green: #22c55e;
    --yellow: #eab308;
    --blue: #3b82f6;
    --red-dark: #b91c1c;
    --green-dark: #15803d;
    --yellow-dark: #a16207;
    --blue-dark: #1d4ed8;
    --board-bg: rgba(255, 255, 255, 0.95);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --board-size: min(600px, 95vmin);
    --board-padding: calc(var(--board-size) * 0.025);
    --token-size: calc((var(--board-size) - (var(--board-padding) * 2)) / 15 * 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-x: hidden;
    position: relative;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 60%),
                radial-gradient(circle, rgba(239,68,68,0.05) 0%, transparent 60%);
    background-position: 0 0, 100% 100%;
    background-size: 50% 50%;
    animation: moveBg 20s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes moveBg {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.game-container {
    width: 1400px;
    max-width: 100%;
    z-index: 1;
}

.game-header {
    text-align: center;
    margin-bottom: 30px;
}

.game-header h1 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.glow-text {
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.accent {
    background: linear-gradient(45deg, var(--blue), var(--red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.game-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    justify-content: center;
}

/* BOARD STYLES */
.board-section {
    flex-shrink: 0;
}

.ludo-board {
    width: var(--board-size);
    height: var(--board-size);
    background: var(--board-bg);
    border-radius: min(20px, 4vmin);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5),
                0 0 0 10px rgba(255, 255, 255, 0.1);
    display: grid;
    grid-template-columns: repeat(15, 1fr);
    grid-template-rows: repeat(15, 1fr);
    padding: var(--board-padding);
    gap: 2px;
    position: relative;
    overflow: hidden;
}

.cell {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Bases */
.base {
    position: absolute;
    width: calc(40% - var(--board-padding));
    height: calc(40% - var(--board-padding));
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--board-padding);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.1);
}

.base.red { top: var(--board-padding); left: var(--board-padding); background: var(--red); }
.base.green { top: var(--board-padding); right: var(--board-padding); background: var(--green); }
.base.yellow { bottom: var(--board-padding); right: var(--board-padding); background: var(--yellow); }
.base.blue { bottom: var(--board-padding); left: var(--board-padding); background: var(--blue); }

.base-inner {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 15px;
    padding: 15px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.token-spot {
    border-radius: 50%;
    border: 2px dashed #cbd5e1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Home */
.home-center {
    position: absolute;
    top: 40%;
    left: 40%;
    width: 20%;
    height: 20%;
    background: transparent;
    border-top: calc(var(--board-size) * 0.1 - 3px) solid var(--green);
    border-right: calc(var(--board-size) * 0.1 - 3px) solid var(--yellow);
    border-bottom: calc(var(--board-size) * 0.1 - 3px) solid var(--blue);
    border-left: calc(var(--board-size) * 0.1 - 3px) solid var(--red);
}

/* Safe Zones & Paths */
.path-red { background: rgba(239, 68, 68, 0.2); }
.path-green { background: rgba(34, 197, 94, 0.2); }
.path-yellow { background: rgba(234, 179, 8, 0.2); }
.path-blue { background: rgba(59, 130, 246, 0.2); }

.safe-zone {
    font-size: 20px;
    color: #94a3b8;
}

/* Tokens */
.token {
    width: var(--token-size);
    height: var(--token-size);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3), inset 0 -3px 4px rgba(0,0,0,0.2);
    position: absolute;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 10;
}

.token:hover {
    transform: scale(1.2) translateY(-2px);
}

.token.red { background: radial-gradient(circle at 30% 30%, #fca5a5, var(--red)); }
.token.green { background: radial-gradient(circle at 30% 30%, #86efac, var(--green)); }
.token.yellow { background: radial-gradient(circle at 30% 30%, #fde047, var(--yellow)); }
.token.blue { background: radial-gradient(circle at 30% 30%, #93c5fd, var(--blue)); }

/* CONTROL PANEL */
.control-panel {
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.glass-panel h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.player-badge {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: 0.3s;
}

.player-badge.red-bg { background: var(--red); color: white; }
.player-badge.green-bg { background: var(--green); color: white; }
.player-badge.yellow-bg { background: var(--yellow); color: white; }
.player-badge.blue-bg { background: var(--blue); color: white; }

.dice {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: white;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 60px;
    color: var(--bg-dark);
    box-shadow: inset 0 -5px 10px rgba(0,0,0,0.1),
                0 10px 20px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

.dice.rolling {
    animation: rollDice 0.6s ease-in-out;
}

@keyframes rollDice {
    0% { transform: rotate(0) scale(1); }
    25% { transform: rotate(90deg) scale(1.1); }
    50% { transform: rotate(180deg) scale(0.9); }
    75% { transform: rotate(270deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

.btn-primary {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #4f46e5, #3b82f6);
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.3), transparent);
    transform: skewX(-20deg);
    transition: 0.5s;
}

.btn-primary:hover .btn-glow {
    left: 150%;
    transition: 0.7s ease-in-out;
}

.player-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 12px;
    border-left: 4px solid transparent;
    transition: 0.3s;
}

.player-info:hover {
    background: rgba(255, 255, 255, 0.1);
}

.player-info.red { border-left-color: var(--red); }
.player-info.green { border-left-color: var(--green); }
.player-info.yellow { border-left-color: var(--yellow); }
.player-info.blue { border-left-color: var(--blue); }

.player-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.score {
    background: rgba(0, 0, 0, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

@media(max-width: 1100px) {
    .game-layout {
        flex-direction: column;
        align-items: center;
    }
    .control-panel {
        width: var(--board-size);
        flex-direction: row;
        flex-wrap: wrap;
    }
    .player-turn-card, .dice-card, .player-stats {
        flex: 1;
        min-width: 250px;
    }
}

@media(max-width: 700px) {
    .control-panel {
        flex-direction: column;
        width: 100%;
    }
    .base {
        border-radius: 8px;
    }
    .base-inner {
        border-radius: 6px;
        gap: 5px;
        padding: 8px;
    }
}

/* Multiple Tokens Logic */
.cell.has-multiple .token, .home-center.has-multiple .token {
    position: absolute !important;
    transform: scale(0.65) !important;
}

.cell.has-multiple .token:hover, .home-center.has-multiple .token:hover {
    transform: scale(0.85) translateY(-2px) !important;
    z-index: 20 !important;
}

.token-pos-0 { margin-top: -12px; margin-left: -12px; }
.token-pos-1 { margin-top: -12px; margin-left: 12px; }
.token-pos-2 { margin-top: 12px; margin-left: -12px; }
.token-pos-3 { margin-top: 12px; margin-left: 12px; }
.token-pos-4 { margin-top: 0; margin-left: 0; }