:root {
    --bg-color: #050510;
    --txt-color: #0ff;
    --accent: #f0f;
    --font-main: 'Fira Code', monospace;
}

* {
    box-sizing: border-box;
}

html {
    height: 100%;
    height: -webkit-fill-available;
}

body {
    background-color: var(--bg-color);
    color: var(--txt-color);
    font-family: var(--font-main);
    margin: 0;
    height: 100%;
    height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.monitor {
    position: relative;
    width: 95vw;
    height: 95%;
    background: radial-gradient(circle, #1a1a2e 0%, #000 100%);
    border-radius: 12px;
    box-shadow: 0 0 50px rgba(0, 255, 255, 0.15);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* CRT Scanlines Overlay */
.monitor::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    z-index: 15;
    background-size: 100% 4px, 3px 100%;
    pointer-events: none;
    opacity: 0.1;
}

.screen-glare {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: 10;
}

.glass-panel {
    display: grid;
    grid-template-columns: 1fr 200px;
    grid-template-rows: 44px 1fr;
    grid-template-areas:
        "header header"
        "main aside";
    height: 100%;
    /* backdrop-filter removed — causes Chrome input lag / compositing storm over canvas */
    background: rgba(5, 5, 16, 0.97);
    border: 1px solid rgba(0, 255, 255, 0.1);
    /* Force own GPU layer so children (canvas games) don't trigger full repaint */
    transform: translateZ(0);
    will-change: transform;
}

.status-bar {
    grid-area: header;
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-bottom: 2px solid var(--accent);
    background: rgba(0,0,0,0.6);
    font-weight: 600;
    /* text-shadow removed from bar — applied only to .status-title below, not every span */
    font-size: 0.8rem;
    padding: 0 10px;
    gap: 8px;
    overflow: hidden;
    contain: layout style;
}

.status-item {
    display: flex;
    gap: 6px;
    align-items: center;
    white-space: nowrap;
}

/* Status Bar Elements */
.conn-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #555;
    box-shadow: 0 0 5px rgba(0,0,0,0.5);
    transition: background 0.3s, box-shadow 0.3s;
}
.conn-dot.connected {
    background: #0f0;
    box-shadow: 0 0 8px #0f0;
}
.conn-dot.disconnected {
    background: #f00;
    box-shadow: 0 0 8px #f00;
}
#active-model {
    font-family: 'Fira Code', monospace;
    text-transform: uppercase;
}


.stat-label {
    color: var(--accent);
    font-size: 0.7rem;
}

.status-title {
    font-weight: bold;
    color: var(--txt-color);
    letter-spacing: 2px;
    filter: drop-shadow(0 0 6px var(--txt-color));
}

.terminal-container {
    grid-area: main;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.terminal-output {
    flex-grow: 1;
    overflow-y: auto;
    margin-bottom: 10px;
    padding-right: 6px;
    scrollbar-gutter: stable;
}

.terminal-output p {
    margin: 4px 0;
    animation: fadeIn 0.2s ease-in;
    line-height: 1.5;
    word-break: break-word;
}

.sys-msg   { color: #88f; }
.conn-ok   { color: #0f0; font-weight: bold; }
.ready-msg { color: #0ff; }
.help-msg  { color: #ccc; white-space: pre-wrap; }
.user-cmd  { color: #fff; font-weight: bold; }
.ai-msg    { color: #e0e0e0; line-height: 1.6; }
.evil-msg  { color: #ffaa55; line-height: 1.6; border-left: 2px solid #ff6600; padding-left: 8px; }

.terminal-input-wrapper {
    display: flex;
    align-items: center;
    border-top: 1px solid rgba(0, 255, 255, 0.15);
    padding-top: 10px;
    gap: 6px;
}

.prompt {
    color: var(--accent);
    margin-right: 6px;
    white-space: nowrap;
    font-size: 0.9rem;
}

#terminal-input {
    background: transparent;
    border: none;
    color: var(--txt-color);
    font-family: inherit;
    font-size: 16px; /* 16px prevents iOS Safari zoom on focus */
    flex-grow: 1;
    outline: none;
    caret-color: var(--txt-color);
    width: 0; /* let flex handle width */
    min-width: 0;
}

.attach-btn {
    cursor: pointer;
    font-size: 1rem;
    color: #555;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.2s;
    flex-shrink: 0;
}
.attach-btn:hover { color: var(--txt-color); }

.quick-actions {
    grid-area: aside;
    border-left: 1px solid rgba(0, 255, 255, 0.2);
    display: flex;
    flex-direction: column;
    padding: 20px 14px;
    background: rgba(0,0,0,0.3);
    gap: 12px;
    overflow-y: auto;
}

.aside-header {
    font-size: 0.72rem;
    color: var(--accent);
    margin-bottom: 4px;
    letter-spacing: 2px;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--txt-color);
    color: var(--txt-color);
    font-family: inherit;
    padding: 9px 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.8rem;
    text-align: center;
    border-radius: 3px;
}

.action-btn:hover, .action-btn:active {
    background: var(--txt-color);
    color: #000;
    box-shadow: 0 0 6px var(--txt-color);
}

/* --- Mode Picker --- */
.mode-picker {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
}

.mode-btn {
    background: transparent;
    border: 1px solid #333;
    color: #555;
    font-family: inherit;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 7px 4px;
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.15s ease;
    text-align: center;
}

.mode-btn:hover {
    border-color: var(--txt-color);
    color: var(--txt-color);
}

/* Nexus mode active (blue) */
.mode-btn[data-mode="nexus"].active {
    background: #4af;
    border-color: #4af;
    box-shadow: 0 0 8px #4af;
    color: #000;
}

.mode-btn.active {
    background: var(--txt-color);
    color: #000;
    border-color: var(--txt-color);
    box-shadow: 0 0 8px var(--txt-color);
}

/* Evil mode active state */
.mode-btn[data-mode="evil"].active {
    background: #ff6600;
    border-color: #ff6600;
    box-shadow: 0 0 10px #ff6600;
    color: #000;
}

/* Coder mode active */
.mode-btn[data-mode="coder"].active {
    background: #0f0;
    border-color: #0f0;
    box-shadow: 0 0 8px #0f0;
    color: #000;
}

/* Sage mode active */
.mode-btn[data-mode="sage"].active {
    background: #a06fff;
    border-color: #a06fff;
    box-shadow: 0 0 8px #a06fff;
    color: #000;
}

/* Sidebar hide when mobile keyboard is open */
@media (max-width: 700px) {
    .quick-actions.kb-hidden { display: none !important; }
}

/* --- Mobile --- */
@media (max-width: 700px) {
    body {
        align-items: stretch;
    }

    .monitor {
        width: 100vw;
        height: 100%;
        border-radius: 0;
        box-shadow: none;
    }

    .glass-panel {
        grid-template-columns: 1fr;
        grid-template-rows: 40px 1fr auto;
        grid-template-areas:
            "header"
            "main"
            "aside";
    }

    .status-bar {
        font-size: 0.68rem;
        padding: 0 8px;
        gap: 4px;
    }

    .status-title {
        letter-spacing: 1px;
    }

    .terminal-container {
        padding: 10px 12px;
    }

    .terminal-output p {
        font-size: 0.85rem;
        line-height: 1.45;
    }

    /* Shorten prompt to > on small screens to save space */
    .prompt {
        font-size: 0;
    }
    .prompt::after {
        content: '>';
        font-size: 1rem;
        color: var(--accent);
    }

    #terminal-input {
        font-size: 0.95rem;
    }

    .quick-actions {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 8px 10px;
        gap: 6px;
        border-left: none;
        border-top: 1px solid rgba(0, 255, 255, 0.2);
    }

    .aside-header { display: none; }

    .action-btn {
        padding: 6px 10px;
        font-size: 0.7rem;
        flex: 1 1 auto;
        min-width: 60px;
    }

    .mode-picker {
        display: flex;
        gap: 5px;
    }

    .mode-btn {
        flex: 1;
        padding: 6px 2px;
        font-size: 0.62rem;
    }

    /* prevent mobile tap highlight / ghost clicks on canvas games */
    canvas { touch-action: none; -webkit-tap-highlight-color: transparent; }

    /* attach button slightly larger tap area on mobile */
    .attach-btn { font-size: 1.1rem; padding: 0 6px; }
}

/* Mode-aware image output */
.img-output {
    line-height: 1.6;
    border-left: 3px solid var(--txt-color);
    padding-left: 8px;
}

/* ============================================================
   AUTH OVERLAY (Login Wall)
   ============================================================ */
.auth-overlay {
    position: fixed; inset: 0;
    background: #050510; z-index: 10000;
    display: flex; align-items: center; justify-content: center;
    background-image: radial-gradient(circle at center, #0a0a20 0%, #050510 100%);
}
.auth-box {
    background: rgba(10, 10, 30, 0.8); border: 2px solid var(--accent);
    padding: 40px; width: 100%; max-width: 400px; text-align: center;
    box-shadow: 0 0 40px rgba(0, 255, 255, 0.15); backdrop-filter: blur(10px);
}
.auth-header { color: var(--accent); font-size: 1.4rem; font-weight: 600; letter-spacing: 4px; margin-bottom: 15px; text-shadow: 0 0 10px var(--accent); }
.auth-desc { color: #888; font-size: 0.85rem; line-height: 1.6; margin-bottom: 25px; min-height: 2.5rem; }
.auth-sub-section { margin: 20px 0; }
.auth-label { color: #444; font-size: 0.6rem; letter-spacing: 2px; margin-bottom: 12px; font-weight: 600; }
.auth-divider { display: flex; align-items: center; color: #333; font-size: 0.65rem; margin: 15px 0; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; border-bottom: 1px solid #1a1a30; }
.auth-divider span { padding: 0 10px; }
.auth-guest-link { background: transparent; border: none; color: #555; font-family: inherit; font-size: 0.75rem; letter-spacing: 2px; cursor: pointer; text-decoration: underline; }
.auth-guest-link:hover { color: var(--accent); }
.auth-terms { margin-top: 20px; font-size: 0.6rem; color: #333; }
.auth-footer { color: #222; font-size: 0.55rem; margin-top: 25px; letter-spacing: 2px; }

/* Modal Styles */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.9); z-index: 11000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-box { background: #050510; border: 1px solid var(--accent); padding: 30px; max-width: 500px; box-shadow: 0 0 30px rgba(0,255,255,0.1); }
.modal-box h3 { color: var(--accent); margin-top: 0; letter-spacing: 2px; }
.modal-body { color: #888; font-size: 0.8rem; line-height: 1.6; margin: 20px 0; text-align: left; }

#agree-btn:disabled {
    border-color: #222;
    color: #333;
    cursor: not-allowed;
    box-shadow: none;
}
#agree-btn:disabled:hover {
    background: transparent;
    color: #333;
}

body.auth-locked .monitor { display: none !important; }

/* ============================================================
   ACCESSIBILITY PANEL
   ============================================================ */
.a11y-panel {
    display: none;
    position: absolute;
    bottom: 60px;
    right: 210px;
    width: 240px;
    background: #0a0a14;
    border: 1px solid rgba(0,255,255,0.3);
    border-radius: 6px;
    padding: 12px;
    z-index: 200;
    box-shadow: 0 0 20px rgba(0,255,255,0.1);
    font-size: 0.78rem;
}
.a11y-panel.a11y-panel-open { display: block; }

.a11y-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--txt-color);
    font-size: 0.7rem;
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid #1a1a2e;
}
.a11y-close {
    background: none;
    border: none;
    color: #555;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0 2px;
    line-height: 1;
}
.a11y-close:hover { color: #f55; }

.a11y-row {
    display: flex;
    gap: 6px;
    margin-bottom: 6px;
}

.a11y-toggle {
    flex: 1;
    background: transparent;
    border: 1px solid #222;
    color: #555;
    font-family: inherit;
    font-size: 0.65rem;
    letter-spacing: 0.5px;
    padding: 7px 4px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.15s;
    text-align: center;
    white-space: nowrap;
}
.a11y-toggle:hover { border-color: var(--txt-color); color: var(--txt-color); }
.a11y-toggle.on {
    border-color: #4af;
    color: #4af;
    background: rgba(68,170,255,0.08);
    box-shadow: 0 0 6px rgba(68,170,255,0.2);
}

.a11y-tip {
    color: #333;
    font-size: 0.6rem;
    text-align: center;
    margin-top: 6px;
    letter-spacing: 0.5px;
}

.a11y-section-label {
    color: #336;
    font-size: 0.58rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 8px 0 4px;
}

/* Voice picker select */
.a11y-voice-sel {
    width: 100%;
    background: #0a0a18;
    border: 1px solid #1a1a3a;
    color: #7af;
    font-family: inherit;
    font-size: 0.65rem;
    padding: 5px 6px;
    border-radius: 4px;
    margin-top: 2px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.15s;
}
.a11y-voice-sel:hover,
.a11y-voice-sel:focus { border-color: rgba(0,255,255,0.4); }
.a11y-voice-sel option { background: #0a0a14; color: #7af; }

/* ── Redesigned accessibility open button ────────────────────────── */
.a11y-open-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    margin-top: 12px;
    padding: 8px 0;
    background: linear-gradient(135deg, rgba(0,255,255,0.04) 0%, rgba(100,0,255,0.06) 100%);
    border: 1px solid rgba(0,255,255,0.2);
    border-radius: 6px;
    color: rgba(0,255,255,0.6);
    font-family: inherit;
    font-size: 0.62rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, background 0.2s, box-shadow 0.2s;
}
.a11y-open-btn:hover {
    border-color: rgba(0,255,255,0.6);
    color: #0ff;
    background: rgba(0,255,255,0.07);
    box-shadow: 0 0 10px rgba(0,255,255,0.12);
}
.a11y-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 15px;
    height: 15px;
    border: 1px solid currentColor;
    border-radius: 3px;
    font-size: 0.6rem;
    font-weight: 700;
    flex-shrink: 0;
}
.a11y-label { font-weight: 600; }

/* ============================================================
   ACCESSIBILITY BODY CLASSES
   ============================================================ */

/* Larger font */
body.a11y-large .terminal-output p,
body.a11y-large #terminal-input,
body.a11y-large .prompt { font-size: 1.05rem; }

body.a11y-xl .terminal-output p,
body.a11y-xl #terminal-input,
body.a11y-xl .prompt { font-size: 1.25rem; line-height: 1.7; }

/* High contrast */
body.a11y-high-contrast {
    --bg-color: #000;
    --txt-color: #fff;
    --accent: #ff0;
}
body.a11y-high-contrast .monitor { background: #000; box-shadow: none; }
body.a11y-high-contrast .monitor::after { opacity: 0; }
body.a11y-high-contrast .screen-glare { display: none; }
body.a11y-high-contrast .ai-msg  { color: #fff; }
body.a11y-high-contrast .sys-msg { color: #ff0; }
body.a11y-high-contrast .evil-msg { color: #f80; border-left-color: #f80; }

/* Reduce motion — strip CRT overlay + all animations */
body.a11y-reduce-motion * {
    animation: none !important;
    transition: none !important;
}
body.a11y-reduce-motion .monitor::after { display: none; }
body.a11y-reduce-motion .screen-glare   { display: none; }

/* Bold text */
body.a11y-bold .terminal-output p,
body.a11y-bold #terminal-input,
body.a11y-bold .prompt { font-weight: 700; }

/* Wide spacing — easier to read long lines */
body.a11y-wide-spacing .terminal-output p,
body.a11y-wide-spacing #terminal-input {
    line-height: 1.9;
    letter-spacing: 0.04em;
    word-spacing: 0.12em;
}

/* Dim mode — reduces harshness of bright CRT colors */
body.a11y-dim { filter: brightness(0.72); }
body.a11y-dim .a11y-panel { filter: brightness(1.4); } /* keep panel readable */

/* Dyslexia-friendly font */
@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&display=swap');
body.a11y-dyslexic,
body.a11y-dyslexic .terminal-output p,
body.a11y-dyslexic #terminal-input,
body.a11y-dyslexic .prompt,
body.a11y-dyslexic .action-btn,
body.a11y-dyslexic .mode-btn {
    font-family: 'Atkinson Hyperlegible', sans-serif;
    letter-spacing: 0.03em;
    word-spacing: 0.1em;
    line-height: 1.7;
}

/* Scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.5); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--txt-color); }

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(-4px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes nexus-spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes nexus-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

.nexus-spinner {
    display: inline-block;
    width: 10px;
    height: 10px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: nexus-spin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
    flex-shrink: 0;
}

.nexus-thinking-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 6px 0;
}

.nexus-thinking-bar .bar-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
    animation: nexus-pulse 1.2s ease-in-out infinite;
}
.nexus-thinking-bar .bar-dot:nth-child(2) { animation-delay: 0.2s; }
.nexus-thinking-bar .bar-dot:nth-child(3) { animation-delay: 0.4s; }

/* 8-Bit GUI Overlay */
#game-gui-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 450px;
    background-color: #000;
    border: 4px solid var(--accent);
    box-shadow: 8px 8px 0 rgba(255, 0, 255, 0.4);
    z-index: 100;
    display: flex;
    flex-direction: column;
    font-family: var(--font-main);
}

.gui-hidden { display: none !important; }

#gui-header {
    background: var(--accent);
    color: #000;
    padding: 5px 15px;
    display: flex;
    justify-content: space-between;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: grab;
    user-select: none;
}

#gui-close {
    background: #000;
    color: var(--accent);
    border: none;
    font-weight: bold;
    cursor: pointer;
    font-family: inherit;
    padding: 2px 8px;
}

#gui-close:hover { background: #ff0055; color: #fff; }

#gui-content-wrapper {
    max-height: 70dvh;
    overflow-y: auto;
    padding: 16px;
}

#gui-content { text-align: center; }

.gui-btn {
    background: transparent;
    border: 2px solid var(--txt-color);
    color: var(--txt-color);
    padding: 10px 15px;
    margin: 10px 5px;
    cursor: pointer;
    font-family: inherit;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.1s;
    font-size: 0.9rem;
}

.gui-btn:hover {
    background: var(--txt-color);
    color: #000;
    box-shadow: 0 0 10px var(--txt-color);
}

.gui-input {
    background: #111;
    border: 2px solid var(--accent);
    color: #fff;
    padding: 10px;
    font-family: inherit;
    width: 85%;
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 10px;
    outline: none;
}

/* ============================================================
   COOL AS HELL: CRT & AI OVERLOAD EFFECTS
   ============================================================ */

/* --- CRT Core --- */
.crt-mode .monitor::before {
    content: " ";
    display: block;
    position: absolute;
    top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 255, 0, 0.03));
    z-index: 20;
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
}

.crt-mode .monitor::after {
    opacity: 0.15;
    animation: crt-flicker 0.15s infinite;
}

@keyframes crt-flicker {
    0%   { opacity: 0.12; }
    50%  { opacity: 0.15; }
    100% { opacity: 0.13; }
}

/* --- AI Overload: EVIL (Glitch) --- */
body.mode-evil .terminal-output p:nth-child(even) {
    animation: evil-glitch 4s infinite linear alternate-reverse;
}

@keyframes evil-glitch {
    0%   { transform: translate(0); text-shadow: none; }
    2%   { transform: translate(2px, -1px); text-shadow: 2px 0 #f00, -2px 0 #0ff; }
    4%   { transform: translate(-1px, 1px); text-shadow: -2px 0 #f00, 2px 0 #0ff; }
    5%   { transform: translate(0); text-shadow: none; }
    100% { transform: translate(0); }
}

/* --- AI Overload: VOID (Abyss Drift) --- */
body.mode-void .monitor {
    animation: void-pulse 10s infinite ease-in-out;
}

body.mode-void .terminal-output p {
    animation: void-drift 8s infinite ease-in-out;
    filter: blur(0.3px);
}

@keyframes void-pulse {
    0%, 100% { filter: brightness(1) contrast(1); }
    50%       { filter: brightness(0.8) contrast(1.2); }
}

@keyframes void-drift {
    0%, 100% { transform: translateX(0); opacity: 1; }
    50%       { transform: translateX(3px); opacity: 0.8; }
}

/* --- Global Leaderboard --- */
.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.85rem;
    color: #0ff;
}

.leaderboard-table th {
    text-align: left;
    border-bottom: 1px solid #0ff;
    padding: 5px;
    color: #f0f;
    font-size: 0.7rem;
    letter-spacing: 2px;
}

.leaderboard-table td {
    padding: 8px 5px;
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

.leaderboard-table tr:nth-child(1) td { color: #fff; text-shadow: 0 0 10px #fff; }
.leaderboard-table tr:nth-child(2) td { color: #ffd700; }
.leaderboard-table tr:nth-child(3) td { color: #c0c0c0; }

/* ============================================================
   AUTH SECTION (Sidebar)
   ============================================================ */
#auth-section { margin-bottom: 2px; }

.auth-user-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 2px 10px;
    border-bottom: 1px solid #0d0d1a;
    margin-bottom: 10px;
}
.auth-avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    border: 1px solid rgba(0,255,255,0.5);
    flex-shrink: 0;
}
.auth-avatar-initials {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: #0a1a1a;
    border: 1px solid rgba(0,255,255,0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.6rem; color: #0ff; font-weight: 700;
    flex-shrink: 0;
}
.auth-info { flex: 1; min-width: 0; }
.auth-name  { color: #ccc; font-size: 0.66rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.auth-email { color: #333; font-size: 0.55rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.auth-logout-btn {
    background: transparent; border: none; color: #333; cursor: pointer;
    font-size: 1rem; padding: 2px; line-height: 1; flex-shrink: 0; transition: color 0.15s;
}
.auth-logout-btn:hover { color: #f55; }

.auth-signin-wrapper {
    padding: 6px 2px 12px;
    border-bottom: 1px solid #0d0d1a;
    margin-bottom: 10px;
    text-align: center;
}
.auth-signin-label {
    color: #333; font-size: 0.56rem; letter-spacing: 1px; margin-bottom: 8px;
}

/* ============================================================
   FULLSCREEN OVERLAYS  (position:fixed at body level)
   ============================================================ */
.fullscreen-overlay {
    position: fixed;
    inset: 0;
    background: #020208;
    z-index: 600;
    display: flex;
    flex-direction: column;
    font-family: 'Fira Code', monospace;
    overflow: hidden;
}
.fullscreen-overlay.hidden { display: none; }

.overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: rgba(0,0,0,0.7);
    border-bottom: 2px solid var(--accent);
    flex-shrink: 0;
    gap: 12px;
}
.overlay-hud { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.overlay-title {
    color: var(--txt-color); font-size: 0.82rem; font-weight: 700;
    letter-spacing: 4px; text-shadow: 0 0 10px var(--txt-color);
}
.overlay-close {
    background: transparent; border: 1px solid #2a2a3a; color: #555;
    font-family: inherit; font-size: 0.7rem; padding: 5px 14px; cursor: pointer;
    border-radius: 3px; letter-spacing: 1px; transition: all 0.15s; white-space: nowrap; flex-shrink: 0;
}
.overlay-close:hover { border-color: #f55; color: #f55; }

/* Invaders */
.inv-stats { display: flex; gap: 20px; align-items: center; font-size: 0.78rem; }
.inv-stat-label { color: #444; font-size: 0.58rem; letter-spacing: 1px; margin-right: 5px; }
.inv-game-area {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    justify-content: center; padding: 16px; gap: 12px; overflow: hidden;
}
#invaders-canvas {
    width: min(600px, calc(100vw - 32px));
    aspect-ratio: 600 / 420;
    border: 1px solid rgba(0,255,255,0.12);
    box-shadow: 0 0 50px rgba(0,255,255,0.07), 0 0 100px rgba(0,255,255,0.03);
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    display: block;
}
.inv-controls-hint { color: #1a1a2e; font-size: 0.6rem; letter-spacing: 2px; margin: 0; }

/* Rankings */
.rankings-body {
    flex: 1; overflow-y: auto; padding: 24px 20px;
    max-width: 700px; width: 100%; margin: 0 auto;
}
.rankings-auth-cta {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; background: rgba(0,255,255,0.03);
    border: 1px solid rgba(0,255,255,0.1); border-radius: 4px;
    margin-bottom: 20px; font-size: 0.72rem; color: #555;
}
.rankings-auth-cta.hidden { display: none; }
.rankings-auth-cta .cta-highlight { color: #0ff; }
.rankings-game-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.rankings-tab {
    background: transparent; border: 1px solid #1a1a2e; color: #444;
    font-family: 'Fira Code', monospace; font-size: 0.68rem; padding: 7px 14px;
    cursor: pointer; border-radius: 3px; letter-spacing: 1px; transition: all 0.15s;
}
.rankings-tab:hover { border-color: rgba(0,255,255,0.4); color: #0ff; }
.rankings-tab.active {
    border-color: #0ff; color: #0ff;
    background: rgba(0,255,255,0.06);
    box-shadow: 0 0 8px rgba(0,255,255,0.15);
}
.rankings-table { width: 100%; border-collapse: collapse; font-size: 0.78rem; }
.rankings-table thead th {
    text-align: left; padding: 6px 12px; color: #2a2a3a;
    font-size: 0.6rem; letter-spacing: 2px; font-weight: 400;
    border-bottom: 1px solid #0d0d1a;
}
.rankings-table thead th:nth-child(3),
.rankings-table td:nth-child(3) { text-align: right; }
.rankings-table thead th:nth-child(4),
.rankings-table td:nth-child(4) { text-align: right; }
.rankings-table tbody tr { border-bottom: 1px solid #080812; transition: background 0.1s; }
.rankings-table tbody tr:hover { background: rgba(0,255,255,0.025); }
.rankings-table td { padding: 11px 12px; }
.r-medal { font-size: 1.05rem; }
.r-num   { color: #2a2a3a; }
.r-name  { color: #ccc; }
.r-score { color: #0ff; font-weight: 700; font-size: 0.88rem; }
.r-date  { color: #1e1e2e; font-size: 0.62rem; }
.rankings-empty {
    text-align: center; color: #2a2a3a; padding: 48px 20px;
    font-size: 0.75rem; letter-spacing: 1px; line-height: 2.2;
}

@media (max-width: 700px) {
    .overlay-header { padding: 8px 12px; gap: 8px; }
    .overlay-title  { font-size: 0.68rem; letter-spacing: 2px; }
    .inv-stats      { gap: 12px; font-size: 0.68rem; }
    .rankings-body  { padding: 14px 12px; }
    .rankings-tab   { padding: 5px 10px; font-size: 0.62rem; }
    .rankings-table { font-size: 0.7rem; }
    .rankings-table td, .rankings-table thead th { padding: 8px 8px; }
}