*, *::before, *::after { box-sizing: border-box; }

body {
    background: #050508;
    font-family: 'Rajdhani', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    color: #e2e8f0;
    min-height: 100vh;
}

h1, h2, h3, .orbitron {
    font-family: 'Orbitron', monospace;
}

h1 {
    font-size: 2.75rem;
    font-weight: 900;
    letter-spacing: -0.04em;
}

h1 span:last-child { color: #facc15; }

button {
    transition: all 0.2s ease;
    cursor: pointer;
}
button:hover { transform: translateY(-1px); }
button:active { transform: translateY(0); }

#navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5, 5, 8, 0.96);
    border-bottom: 1px solid rgba(250, 204, 21, 0.12);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.nav-inner {
    max-width: 1200px !important;
    width: 100% !important;
    margin: 0 auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 16px !important;
    padding: 0 16px !important;
    height: 58px !important;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.nav-logo span {
    font-family: 'Orbitron', monospace;
    font-size: 20px;
    color: #fff;
    letter-spacing: 2px;
}
.nav-logo span em {
    color: #facc15;
    font-style: normal;
}

.nav-links a,
.nav-links button {
    background: none;
    border: none;
    font-family: 'Rajdhani', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: #64748b;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 10px;
    letter-spacing: 0.4px;
    transition: color 0.2s, background 0.2s;
    transform: none; 
}
.nav-links a:hover,
.nav-links button:hover {
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.06);
    transform: none;
}
.nav-links a.active,
.nav-links button.active {
    color: #facc15;
}

.nav-logo:hover span {
    color: #facc15;
    transition: color 0.3s ease;
}
.nav-logo:hover em {
    color: #fff;
    transition: color 0.3s ease;
}

#btn-connect {
    margin-left: 8px;
    background: rgba(250, 204, 21, 0.08) !important;
    border: 1px solid rgba(250, 204, 21, 0.3) !important;
    color: #facc15 !important;
    border-radius: 10px !important;
    padding: 6px 16px !important;
    font-size: 13px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}
#btn-connect:hover {
    background: rgba(250, 204, 21, 0.16) !important;
    transform: none;
}
#btn-connect.connected {
    background: rgba(34, 197, 94, 0.08) !important;
    border-color: rgba(34, 197, 94, 0.3) !important;
    color: #22c55e !important;
}

#burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    background: none;
    border: none;
    transform: none;
    margin-left: auto;  
}
#burger:hover { transform: none; }
#burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #e2e8f0;
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.25s;
}
#burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#burger.open span:nth-child(2) { opacity: 0; }
#burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

#mobile-menu {
    display: none;
    flex-direction: column;
    gap: 2px;
    padding: 8px 14px 14px;
    border-bottom: 1px solid rgba(250, 204, 21, 0.08);
    background: rgba(5, 5, 8, 0.98);
}
#mobile-menu.open { display: flex; }

#mobile-menu a,
#mobile-menu button {
    background: none;
    border: none;
    font-family: 'Rajdhani', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #64748b;
    text-decoration: none;
    text-align: left;
    padding: 10px 14px;
    border-radius: 10px;
    letter-spacing: 0.4px;
    transition: color 0.2s, background 0.2s;
    transform: none;
}
#mobile-menu a:hover,
#mobile-menu button:hover {
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.05);
    transform: none;
}
#mobile-menu a.active,
#mobile-menu button.active { color: #facc15; }

#mobile-btn-connect {
    color: #facc15 !important;
    border: 1px solid rgba(250, 204, 21, 0.25) !important;
    border-radius: 10px !important;
    font-size: 13px !important;
}
#mobile-btn-connect.connected {
    color: #22c55e !important;
    border-color: rgba(34, 197, 94, 0.25) !important;
}

@media (max-width: 640px) {
    .nav-links { display: none; }
    #burger { display: flex; }
}

#profile-banner {
    display: none;
    max-width: 900px;
    margin: 0 auto;
    padding: 10px 20px 0;
    position: relative;
}
#profile-banner.visible { display: block; }
#profile-card-collapsed {
    width: 100%;
    box-sizing: border-box;
}

.profile-card {
    width: 100%;
    background: linear-gradient(135deg,
        rgba(250, 204, 21, 0.06) 0%,
        rgba(103, 232, 249, 0.04) 100%);
    border: 1px solid rgba(250, 204, 21, 0.18);
    border-radius: 16px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.profile-addr {
    font-family: 'Orbitron', monospace;
    font-size: 11px;
    color: #67e8f9;
    word-break: break-all;
    max-width: 280px;
}

.profile-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.stat-item { text-align: center; }

.stat-val {
    font-family: 'Orbitron', monospace;
    font-size: 18px;
    color: #facc15;
    line-height: 1.2;
}

.stat-lbl {
    font-size: 10px;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

@media (max-width: 560px) {
    .profile-card { flex-direction: column; align-items: flex-start; }
    .profile-stats { gap: 14px; }
    .stat-val { font-size: 15px; }
    .profile-addr { font-size: 10px; }
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.game-container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: 20px 16px;
}

canvas {
    display: block;
    margin: 0 auto;
    border-radius: 20px;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(250, 204, 21, 0.08);
    
    touch-action: pan-y pinch-zoom;
    max-width: 100%;
    height: auto;
}

body, html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

#turn {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    letter-spacing: 0.5px;
}

#status {
    min-height: 32px;
    font-family: 'Orbitron', monospace;
    font-size: 16px;
    letter-spacing: 0.5px;
}

#join-code {
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

#connection-status {
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

.leaderboard-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 16px 20px 40px;
}

.lb-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 8px;
    transition: background 0.2s, border-color 0.2s;
}
.lb-row:hover {
    background: rgba(250, 204, 21, 0.04);
    border-color: rgba(250, 204, 21, 0.12);
}

.lb-rank {
    font-family: 'Orbitron', monospace;
    font-size: 14px;
    color: #475569;
    width: 32px;
    text-align: center;
    flex-shrink: 0;
}
.lb-rank.gold   { color: #facc15; }
.lb-rank.silver { color: #cbd5e1; }
.lb-rank.bronze { color: #b45309; }

.lb-addr {
    font-family: 'Rajdhani', sans-serif;
    font-size: 14px;
    color: #cbd5e1;
    flex: 1;
    word-break: break-all;
    min-width: 0;
}

.lb-btcz {
    font-family: 'Orbitron', monospace;
    font-size: 12px;
    color: #facc15;
    white-space: nowrap;
    flex-shrink: 0;
}

.lb-wins {
    font-family: 'Rajdhani', sans-serif;
    font-size: 13px;
    color: #67e8f9;
    width: 55px;
    text-align: right;
    flex-shrink: 0;
}

.iframe-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 12px 20px 20px;
}
.iframe-container iframe {
    width: 100%;
    height: calc(100vh - 130px);
    border: none;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}

.connect-modal-bg {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.connect-modal {
    background: #0f0f1a;
    border: 1px solid rgba(250, 204, 21, 0.22);
    border-radius: 20px;
    padding: 30px 28px;
    max-width: 460px;
    width: 90%;
    box-shadow:
        0 0 0 1px rgba(250, 204, 21, 0.04),
        0 20px 60px rgba(0, 0, 0, 0.6),
        0 0 80px rgba(250, 204, 21, 0.06);
}

.connect-modal h3 {
    font-family: 'Orbitron', monospace;
    font-size: 20px;
    color: #facc15;
    margin: 0 0 10px;
}

#connect-address-input {
    width: 100%;
    padding: 13px 16px;
    background: #080810;
    border: 1px solid rgba(250, 204, 21, 0.25);
    border-radius: 12px;
    color: #e2e8f0;
    font-family: 'Rajdhani', sans-serif;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
    margin-bottom: 8px;
}
#connect-address-input:focus {
    border-color: rgba(250, 204, 21, 0.6);
}

#connect-error {
    color: #f87171;
    font-size: 13px;
    min-height: 20px;
    margin-bottom: 14px;
    font-family: 'Rajdhani', sans-serif;
}

.btcz-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.btcz-modal-content {
    background: #0f0f1a;
    border: 2px solid rgba(250, 204, 21, 0.35);
    border-radius: 20px;
    width: 90%;
    max-width: 440px;
    padding: 28px 24px;
    text-align: center;
    box-shadow:
        0 0 60px rgba(250, 204, 21, 0.15),
        0 20px 60px rgba(0, 0, 0, 0.5);
}

.btcz-modal input,
#btcz-address {
    width: 100%;
    padding: 13px 16px;
    background: #080810;
    border: 1px solid rgba(250, 204, 21, 0.35);
    border-radius: 12px;
    color: white;
    font-family: 'Rajdhani', monospace;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.btcz-modal input:focus,
#btcz-address:focus {
    border-color: rgba(250, 204, 21, 0.7);
}

.end-game-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9997;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

@media (max-width: 480px) {
    .game-container { padding: 12px; }

    h1 { font-size: 2rem; }

    #status { font-size: 14px; }

    .stat-val { font-size: 14px; }

    .lb-btcz { font-size: 11px; }

    .lb-row {
        gap: 8px;
        padding: 10px 12px;
        flex-wrap: wrap;
    }
    .lb-rank {
        width: 24px;
        font-size: 12px;
    }
    .lb-addr {
        font-size: 12px;
        flex: 1;
        min-width: 0;
    }
    .lb-addr > div:first-child span:first-child {
        font-size: 12px;
    }
    .lb-btcz {
        font-size: 11px;
    }
    .lb-wins {
        font-size: 11px;
        width: auto;
    }

    .connect-modal { padding: 22px 18px; }

    .btcz-modal-content { padding: 22px 16px; }

    .iframe-container iframe { height: calc(100vh - 110px); }
}

@media (max-width: 360px) {
    .nav-logo span { font-size: 16px; }
    .profile-stats { gap: 10px; }
}

.active-tab {
    background: rgba(250, 204, 21, 0.1) !important;
    border-color: rgba(250, 204, 21, 0.3) !important;
    color: #facc15 !important;
}

.queue-spinner {
    position: relative;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.queue-spinner::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2.5px solid transparent;
    border-top-color: #facc15;
    border-right-color: rgba(250, 204, 21, 0.3);
    animation: spin 0.9s linear infinite;
}

.queue-spinner::after {
    content: '';
    position: absolute;
    inset: 5px;
    background-image: url('/favicon.ico');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 50%;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

#btn-quick-play.in-queue {
    border-color: rgba(250, 204, 21, 0.4);
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.06), rgba(26, 26, 46, 1));
    animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
    0%, 100% { box-shadow: 0 0 0 0 rgba(250, 204, 21, 0); }
    50%       { box-shadow: 0 0 0 8px rgba(250, 204, 21, 0.06); }
}

.lang-selector {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    padding-left: 8px;
    border-left: 1px solid rgba(255,255,255,0.1);
}

.lang-btn {
    background: none;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 3px 7px;
    font-size: 16px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity .2s, border-color .2s, background .2s;
    line-height: 1;
}

.lang-btn:hover {
    opacity: 0.85;
    background: rgba(250,204,21,0.08);
}

.lang-btn.active-lang {
    opacity: 1;
    border-color: rgba(250,204,21,0.4);
    background: rgba(250,204,21,0.1);
}

#mobile-menu .lang-selector {
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-left: 0;
    padding: 10px 0 4px;
    flex-wrap: wrap;
    gap: 6px;
}

#mobile-menu .lang-btn {
    font-size: 14px;
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

#chat-panel {
    position: fixed;
    bottom: 90px;
    right: -340px;
    width: 320px;
    max-height: 460px;
    background: #0f0f1a;
    border: 1px solid rgba(250,204,21,.25);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    z-index: 799;
    box-shadow: 0 8px 40px rgba(0,0,0,.6);
    transition: right .3s cubic-bezier(.34,1.56,.64,1);
    overflow: hidden;
}

#chat-panel.chat-open {
    right: 24px;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255,255,255,.07);
    flex-shrink: 0;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(250,204,21,.2); border-radius: 2px; }

.chat-emojis {
    display: flex;
    gap: 6px;
    padding: 8px 14px;
    border-top: 1px solid rgba(255,255,255,.05);
    flex-wrap: wrap;
    flex-shrink: 0;
}

.chat-emojis button {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 8px;
    padding: 4px 8px;
    font-size: 18px;
    cursor: pointer;
    transition: background .15s, transform .1s;
    line-height: 1;
}

.chat-emojis button:hover {
    background: rgba(250,204,21,.12);
    transform: scale(1.15);
}

.chat-input-row {
    display: flex;
    gap: 8px;
    padding: 10px 14px 14px;
    flex-shrink: 0;
}

.chat-input-row input {
    flex: 1;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(250,204,21,.2);
    border-radius: 10px;
    padding: 8px 12px;
    color: #e2e8f0;
    font-size: 14px;
    outline: none;
    font-family: 'Rajdhani', sans-serif;
}

.chat-input-row input:focus {
    border-color: rgba(250,204,21,.5);
}

.chat-input-row button {
    background: rgba(250,204,21,.15);
    border: 1px solid rgba(250,204,21,.3);
    color: #facc15;
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Rajdhani', sans-serif;
    transition: background .15s;
    white-space: nowrap;
}

.chat-input-row button:hover {
    background: rgba(250,204,21,.25);
}

#chat-toggle-btn.chat-btn-open {
    border-color: rgba(250,204,21,.8);
    background: linear-gradient(135deg, #1e1e3a, #1a2a4a);
}

@keyframes fadeInMsg {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-online {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: .6; transform: scale(1.3); }
}

@media (max-width: 640px) {
    #chat-panel {
        width: calc(100vw - 32px);
        right: -110%;
        bottom: 84px;
        max-height: 50vh;
    }
    #chat-panel.chat-open {
        right: 16px;
    }
}

@keyframes bubbleIn {
    from { opacity: 0; transform: translateY(10px) translateX(var(--bx, 0)); }
    to   { opacity: 1; transform: translateY(0)    translateX(var(--bx, 0)); }
}
#chat-bubble:hover {
    border-color: rgba(103, 232, 249, .7);
    background: #141428;
}

.mobile-only  { display: none !important; }
.desktop-only { display: flex !important; }

@media (max-width: 768px) {
    .mobile-only  { display: flex !important; }
    .desktop-only { display: none !important; }
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(16px) scale(.95); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0)     scale(1);  }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateX(-50%) translateY(0)    scale(1);   }
    to   { opacity: 0; transform: translateX(-50%) translateY(-8px) scale(.96); }
}
.playz-toast {
    pointer-events: none;
    -webkit-user-select: none;
    user-select: none;
}

.friend-remove-desktop { display: flex !important; }

@media (max-width: 768px) {
    .friend-remove-desktop { display: none !important; }
    .friend-swipe-wrapper  { cursor: grab; }
}

@keyframes rankup-in {
    from { opacity:0; transform:scale(.6) translateY(40px); }
    to   { opacity:1; transform:scale(1)  translateY(0); }
}
@keyframes rankup-bounce {
    0%   { transform:scale(0) rotate(-20deg); }
    60%  { transform:scale(1.2) rotate(5deg); }
    100% { transform:scale(1) rotate(0); }
}
@keyframes particle-float {
    0%   { opacity:1; transform:translate(0,0) scale(1); }
    100% { opacity:0; transform:translate(
        calc((var(--rx,1) - .5) * 120px),
        calc(-60px - var(--ry,0) * 60px)
    ) scale(0); }
}