:root {
    --bg-color: #0d1218;
    --gold-light: #f5d179;
    --gold-dark: #b8860b;
    --gold-gradient: linear-gradient(180deg, #f5d179 0%, #cca243 50%, #b8860b 100%);
    --text-white: #f0f0f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #05070a; /* Darker outer background */
    color: var(--text-white);
    font-family: 'Hind Siliguri', sans-serif; /* For Bengali Text */
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Mobile wrapper simulating the app screen */
.mobile-wrapper {
    width: 100%;
    max-width: 450px;
    height: 100%;
    max-height: 900px;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--bg-color);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8), inset 0 0 20px rgba(0,0,0,0.5);
    border: 1px solid rgba(245, 209, 121, 0.15);
    overflow: hidden; /* Hide anything going outside */
}

.splash-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: url('splash_bg.png') center/cover no-repeat;
    padding: 40px 20px;
}

/* Crown Icon */
.crown {
    margin-top: 30px;
    font-size: 32px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

/* Titles */
.title-bengali {
    font-size: 80px;
    font-weight: 700;
    line-height: 1;
    margin-top: 10px;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.7);
    letter-spacing: 2px;
}

.title-english {
    font-family: 'Cinzel', serif; /* Or keep generic if no font */
    font-size: 32px;
    font-weight: 600;
    color: var(--gold-light);
    letter-spacing: 15px;
    margin-top: -15px;
    text-shadow: 0 4px 15px rgba(184, 134, 11, 0.3);
    margin-right: -15px; /* Offset the letter spacing centering issue */
}

/* Subtitle */
.subtitle {
    font-size: 18px;
    font-weight: 400;
    color: #cccccc;
    margin-top: 15px;
    letter-spacing: 1px;
    opacity: 0.9;
    z-index: 10;
    position: relative;
}

/* Center Image Area */
.king-image-container {
    flex: 1 1 0; /* Allow it to shrink to fit space */
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    position: relative;
    margin: 30px 0;
    min-height: 0; /* Crucial for flex children to not force overflow */
}

.king-image {
    max-width: 100%;
    max-height: 100%; /* Fill available space but don't force overflow */
    object-fit: contain; /* Prevent cropping and overlapping */
    z-index: 2;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

.overlay-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(245, 209, 121, 0.15) 0%, transparent 70%);
    z-index: 1;
    bottom: -50px;
}

/* Loading Section */
.loading-container {
    width: 80%;
    margin-bottom: 20px; /* Reduced from 40px */
    margin-top: auto; /* Force it to stay at the bottom */
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 5;
}

.loading-text {
    font-size: 16px;
    color: var(--gold-light);
    margin-bottom: 12px;
    letter-spacing: 1px;
    position: relative;
    z-index: 10;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8); /* Add shadow to ensure it's readable if it overlaps */
}

.progress-bar-bg {
    width: 100%;
    height: 6px;
    background-color: #2a2a2a;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid rgba(245, 209, 121, 0.2);
    position: relative;
}

.progress-bar-fill {
    width: 0%; /* Changed dynamically via JS */
    height: 100%;
    background: var(--gold-gradient);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(245, 209, 121, 0.5);
    transition: width 0.3s ease;
}

/* Responsive adjustments */
@media (max-height: 700px) {
    .title-bengali { font-size: 60px; }
    .title-english { font-size: 36px; }
    .king-image { max-height: 300px; }
}

/* --- Game Modes Screen Styles --- */
.modes-container {
    width: 100%;
    max-width: 450px;
    height: 100%;
    max-height: 900px;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--bg-color);
    padding: 20px 20px 40px;
    box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(245, 209, 121, 0.1);
    overflow-y: auto;
}

.header {
    display: flex;
    align-items: center;
    margin-top: 20px;
    margin-bottom: 30px;
}

.back-button {
    font-size: 20px;
    color: var(--gold-light);
    cursor: pointer;
    margin-right: 20px;
}

.header h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-white);
    letter-spacing: 1px;
}

.modes-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    padding-bottom: 160px !important;
}

.mode-card {
    width: 100%;
    height: 160px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    background-size: cover;
    background-position: center;
}

.mode-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.mode-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 100%);
}

.mode-title {
    font-size: 22px;
    font-weight: 700;
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
    line-height: 1.2;
}

.mode-icon {
    font-size: 40px;
    margin-bottom: 10px;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,0.5));
}

.blue-icon { color: #3b82f6; }
.silver-icon { color: #9ca3af; }
.green-icon { color: #10b981; }

.bot-icon {
    font-size: 80px;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.9;
}

.phone-icon {
    font-size: 60px;
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    color: #e5e7eb;
    opacity: 0.9;
}

.mode-title-group {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
}

/* Card Specific Backgrounds and Borders */
.online-match {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    border-color: rgba(99, 102, 241, 0.3);
}

.play-bot {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-color: rgba(148, 163, 184, 0.3);
}

.play-friend {
    background: linear-gradient(135deg, #064e3b, #0f766e);
    border-color: rgba(16, 185, 129, 0.3);
}

/* --- App Screen Base --- */
.app-screen {
    width: 100%;
    flex: 1 1 auto !important;
    min-height: 0 !important;
    height: 100%;
    max-height: 100% !important;
    display: flex;
    flex-direction: column;
    background: var(--bg-color);
    padding: 20px 20px 180px 20px !important; /* Extra bottom padding so bottom content is never cut off by fixed nav */
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

/* Hide scrollbar for Chrome, Safari and Opera */
.app-screen::-webkit-scrollbar, .modes-container::-webkit-scrollbar {
    display: none;
}

/* --- Home Header --- */
.home-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.user-snippet {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar-small {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid var(--gold-light);
}

.user-name {
    font-size: 18px;
    font-weight: 600;
}

.text-green {
    color: #10b981;
    font-size: 14px;
    margin-left: 5px;
}

.coin-balance {
    display: flex;
    align-items: center;
    background: rgba(13, 20, 30, 0.8);
    padding: 5px 10px;
    border-radius: 20px;
    border: 1px solid rgba(245, 209, 121, 0.5);
    gap: 8px;
    font-weight: bold;
    color: var(--gold-light);
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.coin-icon {
    width: 18px;
    height: 18px;
}

.add-btn {
    color: white;
    background: var(--gold-dark);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    cursor: pointer;
}

/* --- Daily Challenge --- */
.daily-challenge {
    background: linear-gradient(135deg, #1f2937, #111827);
    border: 1px solid rgba(245, 209, 121, 0.3);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.challenge-info h3 {
    color: var(--gold-light);
    font-size: 18px;
    margin-bottom: 5px;
}

.challenge-info p {
    font-size: 14px;
    color: #ccc;
    margin-bottom: 15px;
}

.btn-primary {
    background: var(--gold-gradient);
    color: #000;
    border: none;
    padding: 8px 25px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
}

.challenge-img {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    object-fit: cover;
    border: 1px solid var(--gold-dark);
}

/* --- Home Menu Options --- */
.home-menu-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 160px !important;
}

.menu-row {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 15px;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.menu-row:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    border-color: rgba(245, 209, 121, 0.3);
}

.menu-icon {
    font-size: 28px;
    margin-right: 20px;
    width: 35px;
    text-align: center;
}

.menu-icon.blue { color: #3b82f6; }
.menu-icon.green { color: #10b981; }
.menu-icon.purple { color: #a855f7; }
.menu-icon.green-dark { color: #059669; }

.menu-text {
    flex: 1;
}

.menu-text h4 {
    font-size: 18px;
    margin-bottom: 2px;
    font-weight: 600;
}

.menu-text p {
    font-size: 12px;
    color: #9ca3af;
}

.arrow {
    color: #6b7280;
}

/* --- Bottom Navigation --- */
.bottom-nav {
    position: fixed !important;
    bottom: 0 !important;
    left: 0;
    right: 0;
    width: 100%;
    height: 75px;
    background: rgba(13, 20, 30, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 12px)) 10px;
    z-index: 99999 !important;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.7);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #6b7280;
    cursor: pointer;
    font-size: 12px;
    gap: 5px;
    transition: color 0.2s;
}

.nav-item i {
    font-size: 20px;
}

.nav-item.active {
    color: var(--gold-light);
}

.nav-item:hover {
    color: #9ca3af;
}

.nav-play {
    position: relative;
    top: -20px;
}

.nav-play-btn {
    width: 60px;
    height: 60px;
    background: var(--gold-gradient);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 4px solid #0d141e;
    color: #000;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    transition: transform 0.2s;
}

.nav-play-btn i {
    font-size: 28px;
}

.nav-play:hover .nav-play-btn {
    transform: scale(1.05);
}

/* --- Game Screen Styles --- */
.btn-invite {
    background: var(--gold-gradient);
    color: #000;
    font-weight: 700;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transition: transform 0.2s;
}
.btn-invite:hover {
    transform: scale(1.05);
}

.player-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 10px 15px;
    margin-bottom: 15px;
}

.player-info-game {
    display: flex;
    align-items: center;
    gap: 12px;
}

.player-name-game {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 2px;
}

.player-rating {
    font-size: 11px;
    color: #9ca3af;
}

.timer {
    background: rgba(0,0,0,0.5);
    padding: 6px 12px;
    border-radius: 8px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    font-size: 16px;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.1);
}

.active-timer {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    color: #10b981;
}

#gameScreen, #gutiScreen {
    overflow: hidden; /* Prevent scrolling entirely */
    padding-bottom: 0 !important; /* Remove bottom nav padding */
}

.chess-board-wrapper {
    flex: 1 1 0;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px 0;
    min-height: 0; /* Crucial for flex children shrinking */
}

.chess-board {
    width: 100%;
    max-width: 400px;
    height: 100%;
    max-height: 400px;
    aspect-ratio: 1 / 1;
    /* Use min to ensure it always fits the smallest dimension of its container */
    width: min(100%, calc(100vh - 280px)); 
    height: min(100%, calc(100vh - 280px));
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(8, 1fr);
    border: 4px solid #1e293b;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    overflow: hidden;
    
    /* Disable default browser popup/highlight */
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.square {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    cursor: pointer;
    transition: background-color 0.2s;
    position: relative; /* Essential for highlight positioning */
}

.square.light {
    background-color: #d1d5db; /* Light gray/wood */
}

.square.dark {
    background-color: #4b5563; /* Dark gray/wood */
}

.square.selected {
    background-color: rgba(245, 209, 121, 0.5) !important;
}

.square.in-check {
    background: radial-gradient(circle, rgba(255, 50, 50, 0.9) 0%, rgba(200, 0, 0, 0.4) 60%, transparent 100%) !important;
    box-shadow: inset 0 0 15px rgba(255, 0, 0, 0.8);
}

.square.hint {
    background-color: rgba(56, 189, 248, 0.3) !important;
    box-shadow: inset 0 0 15px rgba(56, 189, 248, 0.6) !important;
}

.square.highlight::before {
    content: '';
    position: absolute;
    width: 25%;
    height: 25%;
    background-color: rgba(0, 0, 0, 0.25);
    border-radius: 50%;
    z-index: 1;
}

.piece {
    pointer-events: none; /* Let the square handle clicks */
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.5));
}

.white-piece {
    color: #f8fafc; /* Near white */
    text-shadow: 0 1px 0 #94a3b8;
}

.black-piece {
    color: #0f172a; /* Very dark */
    text-shadow: 0 1px 0 #334155;
}

.game-actions {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 15px;
    padding: 10px 15px; /* Slightly reduced padding */
    margin-top: 10px; /* Reduced margin to fit better */
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #9ca3af;
    cursor: pointer;
    transition: color 0.2s, transform 0.2s;
}

.action-btn i {
    font-size: 22px;
}

.action-btn span {
    font-size: 12px;
}

.action-btn:hover {
    color: var(--gold-light);
    transform: translateY(-2px);
}

/* Custom Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: radial-gradient(circle at top, #1e293b, #0f172a);
    border: 1px solid rgba(245, 209, 121, 0.3);
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    width: 85%;
    max-width: 320px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.9), inset 0 0 20px rgba(245, 209, 121, 0.05);
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.modal-icon {
    font-size: 45px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.6));
}

.modal-content h2 {
    color: var(--gold-light);
    margin-bottom: 8px;
    font-size: 26px;
    letter-spacing: 1px;
}

.modal-content p {
    color: #cbd5e1;
    margin-bottom: 25px;
    font-size: 16px;
}

.modal-btn {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
}

/* --- New Game Hub Dashboard Styles --- */
.hub-screen {
    background: #0a0a1a;
    background-image: radial-gradient(circle at top, #1a1a3a 0%, #0a0a1a 70%);
}
.hub-top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: transparent;
}
.hub-user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}
.hub-user-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--gold-light);
}
.hub-user-text {
    display: flex;
    flex-direction: column;
}
.hub-user-text small {
    font-size: 10px;
    color: #cbd5e1;
}
.hub-user-text span {
    font-size: 13px;
    font-weight: 600;
}
.hub-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    flex: 1;
}
.hub-rank-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(245, 209, 121, 0.3);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--gold-light);
}
.hub-bell {
    position: relative;
    color: var(--gold-light);
    font-size: 18px;
}
.hub-bell .badge {
    position: absolute;
    top: -2px;
    right: -4px;
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
}

.hub-hero {
    margin: 0 20px 20px;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    background: url("https://images.unsplash.com/photo-1586165368502-1bad197a6461?ixlib=rb-4.0.3&auto=format&fit=crop&w=600&q=80") center/cover no-repeat;
    border: 1px solid rgba(245, 209, 121, 0.3);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}
.hub-hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to right, rgba(10,10,26,0.9) 0%, rgba(10,10,26,0.4) 50%, rgba(10,10,26,0.1) 100%);
}
.hub-hero-content {
    position: relative;
    z-index: 2;
    max-width: 60%;
}
.hub-hero h2 {
    font-size: 20px;
    font-weight: 800;
    color: var(--gold-light);
    margin-bottom: 5px;
    line-height: 1.2;
}
.hub-hero p {
    font-size: 11px;
    color: #cbd5e1;
    margin-bottom: 12px;
}
.hub-hero .btn-play {
    background: var(--gold-gradient);
    color: #000;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 13px;
    cursor: pointer;
}

.hub-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    margin-bottom: 15px;
}
.hub-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: var(--gold-light);
    font-weight: bold;
}
.hub-section-link {
    font-size: 12px;
    color: #cbd5e1;
    text-decoration: none;
}

.hub-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 0 20px;
    margin-bottom: 15px;
}
.hub-card {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    height: 190px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid rgba(255,255,255,0.1);
}
.hub-card.chess {
    background: url("https://images.unsplash.com/photo-1529699211952-734e80c4d42b?ixlib=rb-4.0.3&auto=format&fit=crop&w=300&q=80") center/cover no-repeat;
    border-color: rgba(245, 209, 121, 0.4);
}
.hub-card.guti {
    background: url("sholo_guti_bg.png") center/cover no-repeat;
    border-color: rgba(168, 85, 247, 0.4);
}
.hub-card.ludo {
    background: url("https://images.unsplash.com/photo-1629196914235-9f572fbdb8ce?ixlib=rb-4.0.3&auto=format&fit=crop&w=600&q=80") center/cover no-repeat;
    border-color: rgba(59, 130, 246, 0.4);
}
.hub-card-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(10,10,26,0.8) 0%, rgba(10,10,26,0.2) 40%, rgba(10,10,26,0.8) 100%);
}
.hub-card-top {
    position: relative;
    z-index: 2;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.hub-card-icon {
    width: 30px; height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    border: 1px solid rgba(255,255,255,0.2);
}
.hub-card.chess .hub-card-icon { color: var(--gold-light); background: rgba(0,0,0,0.5); }
.hub-card.guti .hub-card-icon { color: #d8b4e2; background: rgba(0,0,0,0.5); }
.hub-card.ludo .hub-card-icon { color: #93c5fd; background: rgba(0,0,0,0.5); }

.hub-card-text h4 {
    font-size: 16px;
    margin: 0;
}
.hub-card-text p {
    font-size: 10px;
    color: #cbd5e1;
    margin: 0;
}
.hub-card-bottom {
    position: relative;
    z-index: 2;
    padding: 12px;
}
.hub-card-btn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 14px;
    color: #fff;
    cursor: pointer;
}
.hub-card.chess .hub-card-btn { background: var(--gold-gradient); color: #000; }
.hub-card.guti .hub-card-btn { background: linear-gradient(135deg, #a855f7, #7e22ce); }
.hub-card.ludo .hub-card-btn { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }

.hub-full-card {
    margin: 0 20px 20px;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid rgba(59, 130, 246, 0.4);
    background: url("https://images.unsplash.com/photo-1629196914235-9f572fbdb8ce?ixlib=rb-4.0.3&auto=format&fit=crop&w=600&q=80") center/cover no-repeat;
}

.hub-progress-section {
    margin: 0 20px 20px;
    padding: 15px;
    border-radius: 16px;
    background: rgba(20, 20, 40, 0.6);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}
.hub-progress-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--gold-light);
    background: radial-gradient(circle, rgba(245, 209, 121, 0.2) 0%, transparent 70%);
}
.hub-progress-info {
    flex: 1;
}
.hub-progress-info p {
    font-size: 12px;
    color: #cbd5e1;
    margin: 0 0 4px 0;
}
.hub-progress-info h3 {
    font-size: 18px;
    color: var(--gold-light);
    margin: 0 0 10px 0;
}
.hub-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    position: relative;
}
.hub-progress-fill {
    width: 60%;
    height: 100%;
    background: var(--gold-gradient);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(245, 209, 121, 0.5);
}


.hub-screen > * {
    flex-shrink: 0;
}


/* --- 16 Guti Screen Styles --- */
#gutiScreen {
    display: none;
    flex-direction: column;
    height: 100%;
}
.guti-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: rgba(0,0,0,0.5);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: relative;
    flex-shrink: 0;
}
.guti-player {
    display: flex;
    align-items: center;
    gap: 10px;
}
.guti-player.player-w {
    flex-direction: row;
}
.guti-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    border: 2px solid rgba(255,255,255,0.2);
}
.guti-stats {
    display: flex;
    flex-direction: column;
}
.guti-stats .name {
    font-size: 11px;
    color: #cbd5e1;
}
.guti-stats .score {
    font-size: 16px;
    font-weight: bold;
    color: white;
}
.guti-turn-indicator {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid #ef4444;
    color: #ef4444;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}
.guti-turn-indicator.blue-turn {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
    color: #3b82f6;
}

.guti-board-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    margin: 10px auto;
    padding: 20px;
    box-sizing: border-box;
    overflow: hidden;
    min-height: 0;
    background: linear-gradient(145deg, #3e2a1a, #2a1a0e);
    border-radius: 12px;
    border: 2px solid rgba(245, 209, 121, 0.15);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5), inset 0 0 30px rgba(0,0,0,0.3);
}

.guti-piece {
    position: absolute;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    box-shadow: 0 3px 5px rgba(0,0,0,0.5), inset 0 3px 6px rgba(255,255,255,0.6);
    transition: left 0.3s cubic-bezier(0.25, 1, 0.5, 1), top 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 10;
    border: 2px solid #ffffff;
}
.guti-piece.red {
    background: radial-gradient(circle at 30% 30%, #ff4d4d, #b30000);
}
.guti-piece.green {
    background: radial-gradient(circle at 30% 30%, #00ff00, #008000);
}
.guti-piece.selected {
    box-shadow: 0 0 10px 4px rgba(245, 209, 121, 0.8);
    transform: translate(-50%, -50%) scale(1.15);
    z-index: 15;
}

.guti-valid-move {
    position: absolute;
    width: 12px;
    height: 12px;
    background: rgba(16, 185, 129, 0.6);
    border: 2px solid #10b981;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 5;
}
.guti-valid-move:hover {
    background: rgba(16, 185, 129, 0.9);
}

.guti-controls {
    padding: 20px;
    display: flex;
    justify-content: center;
    flex-shrink: 0;
}
.guti-btn {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}

/* --- Carrom Screen Styles --- */
.carrom-btn {
    width: 35px;
    height: 35px;
    border-radius: 10px;
    background: #0f172a;
    border: 1px solid #eab308;
    color: #eab308;
    font-size: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.5);
    transition: transform 0.1s, background 0.1s;
}
.carrom-btn:active {
    transform: scale(0.95);
    background: rgba(234, 179, 8, 0.2);
}

/* Custom styling for the transparent aim slider */
#carromAimSlider {
    -webkit-appearance: none;
    background: transparent;
}
#carromAimSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 50px;
    height: 50px;
    background: transparent;
    cursor: pointer;
}
#carromAimSlider::-moz-range-thumb {
    width: 50px;
    height: 50px;
    background: transparent;
    cursor: pointer;
    border: none;
}