/* ═══════════════════════════════════════════════════════════════════
   MOOD SHIFT CITY: ULTRA VIS — HYPER-ARCADE STREETWEAR EDITION
   Visual Design System: Gen-Z Arcade + Cyberpunk + Street Culture
   ═══════════════════════════════════════════════════════════════════ */

:root {
    --bg-dark: #07080d;
    --bg-surface: rgba(14, 16, 25, 0.85);
    --bg-surface-elevated: rgba(22, 26, 40, 0.9);
    --border-subtle: rgba(255, 255, 255, 0.12);
    --border-accent: rgba(0, 240, 255, 0.4);
    
    --lime: #00ff66;
    --lime-glow: rgba(0, 255, 102, 0.4);
    --cyan: #00f0ff;
    --cyan-glow: rgba(0, 240, 255, 0.4);
    --pink: #ff007f;
    --pink-glow: rgba(255, 0, 127, 0.45);
    --purple: #9d4edd;
    --purple-glow: rgba(157, 78, 221, 0.4);
    --amber: #ffaa00;
    --text-primary: #f8faff;
    --text-muted: rgba(248, 250, 255, 0.55);
    --text-dim: rgba(248, 250, 255, 0.35);

    --font-display: 'Syne', sans-serif;
    --font-ui: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    margin: 0;
    overflow: hidden;
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-ui);
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-font-smoothing: antialiased;
}

/* ── Scanlines & CRT Ambiance ── */
.scanlines-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(0, 0, 0, 0.22) 3px,
        rgba(0, 0, 0, 0.22) 4px
    );
    opacity: 0.8;
}

/* ════════════════════════════════════════
   MAIN MENU
════════════════════════════════════════ */
#menu {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 40%, #111422 0%, #06070a 85%);
    color: var(--text-primary);
    z-index: 25;
    overflow-y: auto;
    overflow-x: hidden;
}

#menu-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: gridFloat 25s linear infinite;
}
@keyframes gridFloat {
    from { background-position: 0 0; }
    to   { background-position: 40px 40px; }
}

#menu-ambient-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at 50% 25%, rgba(0, 240, 255, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 0, 127, 0.08) 0%, transparent 45%);
    animation: ambientPulse 8s ease-in-out infinite alternate;
}
@keyframes ambientPulse {
    from { opacity: 0.7; transform: scale(1); }
    to   { opacity: 1; transform: scale(1.05); }
}

#menu-rain {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
}
.rain-drop {
    position: absolute;
    top: -90px;
    width: 2px;
    background: linear-gradient(transparent, var(--cyan));
    box-shadow: 0 0 6px var(--cyan);
    animation: rainFall linear infinite;
}
@keyframes rainFall {
    to { transform: translateY(115vh); }
}

#menu-content {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    max-width: 620px;
    width: 100%;
    padding: 30px 24px;
}

#menu-logo {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

#menu-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--cyan);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 4px 14px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-shadow: 0 0 10px var(--cyan-glow);
}
.status-pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 8px var(--lime);
    animation: blinkDot 1s infinite alternate;
}
@keyframes blinkDot {
    from { opacity: 0.4; }
    to   { opacity: 1; }
}

#menu-title {
    margin: 8px 0 0 0;
    font-family: var(--font-display);
    font-size: clamp(38px, 7.5vw, 68px);
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 0.95;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.title-p1 {
    color: #ffffff;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 240, 255, 0.3);
}
.title-p2 {
    background: linear-gradient(135deg, #00f0ff 0%, #00ff66 45%, #ff007f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 24px rgba(0, 240, 255, 0.4));
}

#menu-sub {
    margin-top: 4px;
}
.hero-chip {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--lime);
    background: rgba(0, 255, 102, 0.1);
    border: 1px solid rgba(0, 255, 102, 0.35);
    padding: 4px 16px;
    border-radius: 6px;
    text-shadow: 0 0 10px var(--lime-glow);
}

/* ── Menu Stats Bar (Pills) ── */
.menu-stats-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
}

.glass-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 8px 16px;
    border-radius: 12px;
    backdrop-filter: blur(8px);
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.glass-pill:hover {
    border-color: var(--cyan);
    box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
    transform: translateY(-2px);
}

.menu-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--text-dim);
}
.menu-hs-val {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 800;
    color: var(--amber);
    text-shadow: 0 0 10px rgba(255, 170, 0, 0.5);
}

#menu-rank-row {
    flex: 1;
    min-width: 220px;
}
.menu-rank-name {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--lime);
    text-shadow: 0 0 8px var(--lime-glow);
}
.menu-xp-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
}
#menu-rank-bar {
    flex: 1;
    height: 5px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}
#menu-rank-prog {
    height: 100%;
    background: linear-gradient(90deg, var(--lime), var(--cyan));
    border-radius: 999px;
    box-shadow: 0 0 8px var(--lime);
    transition: width 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

#menu-operative-row {
    cursor: pointer;
}
.operative-name {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--cyan);
    text-shadow: 0 0 8px var(--cyan-glow);
}

/* ── Difficulty Selector ── */
#difficulty-row {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 8px 14px;
    border-radius: 14px;
}
#diff-buttons {
    display: flex;
    gap: 8px;
    flex: 1;
}
.diff-btn {
    flex: 1;
    padding: 8px 0;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    border-radius: 8px;
    transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.diff-btn:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}
.diff-btn.active#diff-standard {
    color: var(--bg-dark);
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 16px var(--cyan-glow);
    font-weight: 800;
}
.diff-btn.active#diff-veteran {
    color: var(--bg-dark);
    background: var(--amber);
    border-color: var(--amber);
    box-shadow: 0 0 16px rgba(255, 170, 0, 0.5);
    font-weight: 800;
}
.diff-btn.active#diff-ghost {
    color: #fff;
    background: var(--pink);
    border-color: var(--pink);
    box-shadow: 0 0 20px var(--pink-glow);
    font-weight: 800;
}

/* ── Menu Action Buttons ── */
#menu-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
}

#start-btn {
    width: 100%;
    padding: 18px 24px;
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    border-radius: 14px;
    color: #03060a;
    background: linear-gradient(135deg, #00ff66 0%, #00f0ff 100%);
    box-shadow: 0 6px 28px rgba(0, 255, 102, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.6);
    position: relative;
    overflow: hidden;
    transition: transform 0.15s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.15s;
}
#start-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: btnShine 2.6s infinite;
}
@keyframes btnShine {
    to { left: 160%; }
}
#start-btn:hover {
    transform: translateY(-3px) scale(1.01);
    box-shadow: 0 10px 40px rgba(0, 240, 255, 0.6);
}
#start-btn:active {
    transform: translateY(1px) scale(0.99);
}

.menu-btn-row {
    display: flex;
    gap: 10px;
    width: 100%;
}

.secondary-menu-btn {
    flex: 1;
    padding: 13px 18px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    cursor: pointer;
    border-radius: 10px;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(8px);
    transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.secondary-menu-btn:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: rgba(0, 240, 255, 0.08);
    box-shadow: 0 0 18px rgba(0, 240, 255, 0.2);
    transform: translateY(-2px);
}
.secondary-menu-btn:active {
    transform: translateY(1px);
}

.subtle-menu-btn {
    width: 100%;
    padding: 10px 18px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    border-radius: 8px;
    color: var(--text-dim);
    background: transparent;
    border: 1px dashed rgba(255, 255, 255, 0.15);
    transition: all 0.2s;
}
.subtle-menu-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.04);
}

/* ── Menu Controls Strip ── */
#menu-controls {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 10px 16px;
    border-radius: 12px;
}
.menu-section-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-dim);
    margin-bottom: 8px;
    text-align: center;
}
.ctrl-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}
.ctrl-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.04);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
.ctrl-key {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 800;
    color: var(--cyan);
}
.ctrl-act {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-dim);
}

/* ════════════════════════════════════════
   GAMEPLAY HUD
════════════════════════════════════════ */
#ui {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-rows: auto 1fr auto;
    padding: 20px 24px;
    font-family: var(--font-ui);
}

/* ── Top-Left: Vitality Card ── */
.hud-vitality {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 200px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 10px 14px;
    border-radius: 14px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}
.vitality-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}
.hud-op-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--cyan);
    text-shadow: 0 0 8px var(--cyan-glow);
}
.vitality-num {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 900;
    line-height: 1;
    color: var(--text-primary);
}
.vitality-pct {
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-dim);
    margin-left: 2px;
}
.vitality-bar-track {
    width: 100%;
    height: 7px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}
.vitality-bar-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--lime), var(--cyan));
    border-radius: 999px;
    box-shadow: 0 0 10px var(--lime-glow);
    transition: width 0.15s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.3s;
}
.vitality-bar-fill.critical {
    background: linear-gradient(90deg, #ff0040, var(--pink));
    box-shadow: 0 0 16px var(--pink-glow);
    animation: hpFlash 0.5s infinite alternate;
}
@keyframes hpFlash {
    from { opacity: 0.6; }
    to   { opacity: 1; }
}

/* ── Top-Center: Wave & Hostiles ── */
.hud-wave-center {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.wave-badge {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: 2px;
    color: #ffffff;
    background: linear-gradient(135deg, rgba(22, 26, 40, 0.95), rgba(10, 12, 20, 0.95));
    border: 1px solid var(--border-accent);
    padding: 6px 22px;
    border-radius: 999px;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
    text-transform: uppercase;
}
.enemies-pill {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--cyan);
    background: rgba(0, 0, 0, 0.6);
    padding: 3px 12px;
    border-radius: 999px;
    border: 1px solid rgba(0, 240, 255, 0.2);
}

/* ── Top-Right: Score & Combo ── */
.hud-score-panel {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 10px 16px;
    border-radius: 14px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}
.score-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-dim);
}
.score-value-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
#score-val {
    font-family: var(--font-mono);
    font-size: 26px;
    font-weight: 900;
    color: #ffffff;
    text-shadow: 0 0 16px rgba(255, 255, 255, 0.4);
}
.combo-pill {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 1px;
    color: #fff;
    background: linear-gradient(135deg, var(--amber), var(--pink));
    padding: 2px 10px;
    border-radius: 999px;
    box-shadow: 0 0 16px var(--pink-glow);
    animation: comboPulse 0.35s infinite alternate;
}
@keyframes comboPulse {
    from { transform: scale(1); }
    to   { transform: scale(1.1); }
}

/* ── Bottom Center/Right: Munitions ── */
.hud-munitions {
    grid-column: 3;
    grid-row: 3;
    justify-self: end;
    align-self: end;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}
.munitions-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.ammo-counter {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    padding: 10px 18px;
    border-radius: 14px;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: baseline;
    gap: 4px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}
#ammo-val {
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 900;
    line-height: 0.9;
    color: var(--cyan);
    text-shadow: 0 0 18px var(--cyan-glow);
}
.ammo-slash {
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--text-dim);
}
#reserve-val {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-muted);
}

.secondary-ammo-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 170, 0, 0.15);
    border: 1px solid var(--amber);
    padding: 8px 14px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 800;
    color: var(--amber);
    box-shadow: 0 0 16px rgba(255, 170, 0, 0.3);
    animation: secPulse 1.4s ease-in-out infinite alternate;
}
@keyframes secPulse {
    from { box-shadow: 0 0 12px rgba(255, 170, 0, 0.2); }
    to   { box-shadow: 0 0 24px rgba(255, 170, 0, 0.5); }
}

#reload-msg {
    pointer-events: auto;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #fff;
    background: var(--pink);
    border: 1px solid #fff;
    padding: 6px 14px;
    border-radius: 999px;
    box-shadow: 0 0 20px var(--pink-glow);
    animation: reloadBlink 0.4s infinite alternate;
}
@keyframes reloadBlink {
    from { transform: scale(0.96); opacity: 0.8; }
    to   { transform: scale(1.02); opacity: 1; }
}

.key-hint {
    font-size: 10px;
    opacity: 0.6;
    margin-left: 4px;
}

/* ── Crosshair & Hit-Marker ── */
#crosshair {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    pointer-events: none;
    z-index: 15;
}
.ch-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 6px var(--cyan);
}
.ch-line {
    position: absolute;
    background: rgba(0, 240, 255, 0.7);
    box-shadow: 0 0 6px var(--cyan-glow);
    border-radius: 1px;
}
.ch-top    { top: 2px;  left: 15px; width: 2px; height: 7px; }
.ch-bottom { bottom: 2px; left: 15px; width: 2px; height: 7px; }
.ch-left   { left: 2px;  top: 15px; width: 7px; height: 2px; }
.ch-right  { right: 2px; top: 15px; width: 7px; height: 2px; }

/* Hitmarker X */
.hit-marker {
    position: absolute;
    inset: -6px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.08s ease-out;
}
.hit-marker::before, .hit-marker::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2px;
    background: #ffffff;
    box-shadow: 0 0 8px #ffffff;
}
.hit-marker::before { transform: translate(-50%, -50%) rotate(45deg); }
.hit-marker::after  { transform: translate(-50%, -50%) rotate(-45deg); }
.hit-marker.active {
    opacity: 1;
}
.hit-marker.crit::before, .hit-marker.crit::after {
    background: var(--pink);
    box-shadow: 0 0 12px var(--pink);
}

/* ── Floating Combat Feedback Layer ── */
#feedback-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 16;
    overflow: hidden;
}
.floating-pop {
    position: absolute;
    font-family: var(--font-display);
    font-weight: 900;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
    transform: translate(-50%, -50%) scale(0.6);
    animation: popRise 0.8s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards;
    white-space: nowrap;
}
@keyframes popRise {
    0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
    25%  { opacity: 1; transform: translate(-50%, -70%) scale(1.15); }
    100% { opacity: 0; transform: translate(-50%, -120%) scale(0.9); }
}
.pop-score    { font-size: 22px; color: var(--lime); text-shadow: 0 0 16px var(--lime); }
.pop-headshot { font-size: 28px; color: #fff; background: var(--pink); padding: 4px 14px; border-radius: 999px; box-shadow: 0 0 24px var(--pink); }
.pop-clean    { font-size: 22px; color: var(--cyan); background: rgba(0, 0, 0, 0.7); border: 1px solid var(--cyan); padding: 3px 12px; border-radius: 999px; }

/* ── Boss Health Bar ── */
#boss-bar-wrapper {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 18;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 90%;
    max-width: 480px;
    background: rgba(14, 16, 26, 0.9);
    border: 1px solid rgba(255, 68, 0, 0.5);
    padding: 10px 18px;
    border-radius: 14px;
    box-shadow: 0 0 30px rgba(255, 68, 0, 0.25);
    backdrop-filter: blur(8px);
}
.boss-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#boss-label {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 2px;
    color: #ff4400;
    text-shadow: 0 0 12px rgba(255, 68, 0, 0.6);
}
#boss-phase-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--amber);
}
#boss-bar-track {
    width: 100%;
    height: 9px;
    background: rgba(255, 68, 0, 0.15);
    border-radius: 999px;
    overflow: hidden;
}
#boss-bar-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, #ff4400, #ff0040);
    box-shadow: 0 0 16px rgba(255, 68, 0, 0.7);
    border-radius: 999px;
    transition: width 0.1s linear;
}

/* ── Active Boosts HUD ── */
#boosts-hud {
    position: fixed;
    top: 100px;
    left: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
    pointer-events: none;
}
.boost-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    padding: 6px 14px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    animation: boostTagPulse 1s ease-in-out infinite alternate;
}
@keyframes boostTagPulse {
    from { transform: scale(1); }
    to   { transform: scale(1.05); }
}
.boost-speed     { background: rgba(255, 0, 255, 0.2); border: 1px solid #ff00ff; color: #ff00ff; text-shadow: 0 0 8px #ff00ff; }
.boost-shield    { background: rgba(0, 240, 255, 0.2); border: 1px solid var(--cyan); color: var(--cyan); text-shadow: 0 0 8px var(--cyan); }
.boost-rapid     { background: rgba(255, 170, 0, 0.2); border: 1px solid var(--amber); color: var(--amber); text-shadow: 0 0 8px var(--amber); }
.boost-overclock { background: rgba(255, 255, 255, 0.25); border: 1px solid #ffffff; color: #ffffff; text-shadow: 0 0 10px #ffffff; }

/* ── Wave Banners & Announcements ── */
#wave-bonus {
    position: fixed;
    top: 25%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: clamp(26px, 5vw, 48px);
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--lime);
    text-shadow: 0 0 30px var(--lime);
    pointer-events: none;
    z-index: 18;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    text-align: center;
}

#modifier-banner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    font-family: var(--font-display);
    font-size: clamp(24px, 4.5vw, 42px);
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--amber);
    text-shadow: 0 0 30px rgba(255, 170, 0, 0.7);
    background: rgba(10, 12, 20, 0.92);
    border: 2px solid var(--amber);
    padding: 20px 48px;
    border-radius: 16px;
    box-shadow: 0 0 50px rgba(255, 170, 0, 0.35);
    pointer-events: none;
    z-index: 20;
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    text-align: center;
}
#modifier-banner.visible {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ── Kill Feed ── */
#kill-feed {
    position: fixed;
    right: 24px;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 12;
    pointer-events: none;
}
.kf-entry {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    text-align: right;
    padding: 4px 12px;
    background: rgba(10, 12, 20, 0.85);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    animation: kfSlideIn 0.25s ease-out;
}
@keyframes kfSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ── Achievement Toast ── */
#achievement-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    z-index: 24;
    pointer-events: none;
    background: rgba(10, 12, 20, 0.95);
    border: 1px solid var(--lime);
    border-radius: 16px;
    padding: 14px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    box-shadow: 0 0 40px var(--lime-glow);
}
#achievement-toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.ach-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--lime);
}
.ach-name {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: 2px;
    color: #ffffff;
}
.ach-desc {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--text-muted);
}

/* ── Damage Overlay & Muzzle Flash ── */
#damage-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 12;
    opacity: 0;
    box-shadow: inset 0 0 100px 50px rgba(255, 0, 64, 0.85);
    transition: opacity 0.05s linear;
}
#muzzle-flash {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 11;
    opacity: 0;
    background: radial-gradient(circle at center, rgba(0, 240, 255, 0.25) 0%, transparent 65%);
}

/* ── Minimap ── */
#minimap-wrapper {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 10;
    pointer-events: none;
}
#minimap {
    display: none;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 2px solid var(--cyan);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3), inset 0 0 20px rgba(0, 240, 255, 0.1);
    background: rgba(6, 8, 14, 0.85);
}

/* ════════════════════════════════════════
   PAUSE MENU
════════════════════════════════════════ */
#pause-menu {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(4, 5, 9, 0.88);
    backdrop-filter: blur(8px);
}
#pause-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    border: 1px solid var(--border-accent);
    border-radius: 20px;
    padding: 44px 50px;
    background: var(--bg-surface-elevated);
    box-shadow: 0 0 60px rgba(0, 240, 255, 0.15);
    text-align: center;
}
#pause-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
#pause-title {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 900;
    letter-spacing: 6px;
    color: #ffffff;
    text-shadow: 0 0 24px var(--cyan-glow);
    margin-bottom: 8px;
}
.pause-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}
.pause-btn {
    width: 260px;
    padding: 14px 0;
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 2px;
    cursor: pointer;
    background: var(--cyan);
    color: var(--bg-dark);
    border: none;
    border-radius: 10px;
    box-shadow: 0 0 20px var(--cyan-glow);
    transition: all 0.2s;
}
.pause-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--cyan);
}
.pause-btn.secondary {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
    box-shadow: none;
}
.pause-btn.secondary:hover {
    color: var(--pink);
    border-color: var(--pink);
    background: rgba(255, 0, 127, 0.1);
}

/* ════════════════════════════════════════
   GAME OVER SCREEN
════════════════════════════════════════ */
#gameover {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 40%, rgba(40, 0, 20, 0.95) 0%, rgba(4, 5, 9, 0.98) 100%);
    color: #ffffff;
    z-index: 30;
    padding: 20px;
    overflow-y: auto;
}
#go-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    max-width: 580px;
    width: 100%;
    background: var(--bg-surface-elevated);
    border: 1px solid rgba(255, 0, 64, 0.4);
    border-radius: 24px;
    padding: 36px 32px;
    box-shadow: 0 0 60px rgba(255, 0, 64, 0.25);
    backdrop-filter: blur(12px);
    text-align: center;
}
#go-inner h1 {
    font-family: var(--font-display);
    font-size: clamp(32px, 6vw, 52px);
    font-weight: 900;
    letter-spacing: 2px;
    margin: 0;
    color: #ffffff;
    text-shadow: 0 0 30px #ff0040;
}
.go-subtitle {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--pink);
}

#rank-up-badge {
    background: rgba(0, 255, 102, 0.15);
    border: 1px solid var(--lime);
    color: var(--lime);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 3px;
    padding: 8px 24px;
    border-radius: 999px;
    box-shadow: 0 0 20px var(--lime-glow);
    animation: rankUpPulse 0.5s ease-in-out infinite alternate;
}
@keyframes rankUpPulse {
    from { transform: scale(0.98); }
    to   { transform: scale(1.04); }
}

.go-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    width: 100%;
}
.go-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 8px;
    border-radius: 12px;
}
.go-stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--text-dim);
}
.go-stat-val {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 900;
    color: #ffffff;
}

.go-xp-row {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--lime);
}
.stat-bar-row {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.stat-bar-track {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}
.stat-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lime), var(--cyan));
    border-radius: 999px;
    box-shadow: 0 0 10px var(--lime);
}

.go-actions-row {
    display: flex;
    gap: 10px;
    width: 100%;
    margin-top: 10px;
}
.go-btn-primary {
    flex: 1;
    padding: 16px 20px;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 2px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--lime), var(--cyan));
    color: var(--bg-dark);
    border: none;
    border-radius: 12px;
    box-shadow: 0 0 24px var(--lime-glow);
    transition: all 0.2s;
}
.go-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 36px var(--lime);
}
.go-btn-secondary {
    flex: 1;
    padding: 16px 20px;
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    border-radius: 12px;
    transition: all 0.2s;
}
.go-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ════════════════════════════════════════
   SETTINGS SCREEN
════════════════════════════════════════ */
#settings {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 6, 10, 0.92);
    backdrop-filter: blur(14px);
    z-index: 35;
    padding: 20px;
    overflow-y: auto;
}
#settings-card {
    position: relative;
    z-index: 5;
    width: 100%;
    max-width: 540px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-accent);
    border-radius: 24px;
    padding: 28px 32px;
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.12);
}
#settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 24px;
}
#settings-title-text {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 3px;
    color: #ffffff;
}
.back-link {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--cyan);
    cursor: pointer;
    transition: all 0.2s;
}
.back-link:hover {
    color: #ffffff;
    text-shadow: 0 0 10px var(--cyan);
}
#settings-body {
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.settings-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.settings-section-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--cyan);
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.settings-row {
    display: flex;
    align-items: center;
    gap: 16px;
}
.settings-label {
    flex: 0 0 180px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.exp-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--amber);
    background: rgba(255, 170, 0, 0.15);
    padding: 1px 6px;
    border-radius: 4px;
}
.settings-slider {
    flex: 1;
    -webkit-appearance: none;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    outline: none;
    cursor: pointer;
}
.settings-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 12px var(--cyan);
    cursor: pointer;
    transition: transform 0.1s;
}
.settings-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}
.settings-val {
    flex: 0 0 32px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 800;
    color: var(--cyan);
    text-align: right;
}
.settings-toggle {
    padding: 8px 24px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-dim);
    border-radius: 8px;
    transition: all 0.2s;
}
.settings-toggle.on {
    border-color: var(--lime);
    color: var(--bg-dark);
    background: var(--lime);
    box-shadow: 0 0 16px var(--lime-glow);
}

/* ════════════════════════════════════════
   INTEL DATABASE (CODEX)
════════════════════════════════════════ */
#codex {
    position: fixed;
    inset: 0;
    flex-direction: column;
    background: rgba(5, 6, 10, 0.96);
    backdrop-filter: blur(14px);
    color: white;
    z-index: 35;
    overflow: hidden;
}
#codex-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 28px;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(14, 16, 26, 0.8);
    flex-shrink: 0;
}
#codex-title-text {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 3px;
    color: #ffffff;
}
#codex-tabs {
    display: flex;
    gap: 8px;
}
.codex-tab {
    padding: 8px 18px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    border-radius: 8px;
    transition: all 0.2s;
}
.codex-tab:hover {
    color: #ffffff;
    border-color: var(--cyan);
}
.codex-tab.active {
    color: var(--bg-dark);
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 16px var(--cyan-glow);
}
#codex-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}
#codex-sidebar {
    width: 220px;
    border-right: 1px solid var(--border-subtle);
    overflow-y: auto;
    padding: 12px 8px;
    background: rgba(8, 10, 16, 0.6);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.codex-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    cursor: pointer;
    border-radius: 10px;
    border: 1px solid transparent;
    transition: all 0.15s;
}
.codex-item:hover {
    background: rgba(255, 255, 255, 0.04);
}
.codex-item.active {
    background: rgba(0, 240, 255, 0.08);
    border-color: rgba(0, 240, 255, 0.3);
}
.codex-item.selected-operative {
    border-color: var(--lime);
}
.item-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
}
.item-labels {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.item-name {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
}
.item-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-dim);
}
.item-check {
    margin-left: auto;
    font-size: 10px;
    color: var(--lime);
}

#codex-main {
    flex: 1;
    display: flex;
    overflow: hidden;
}
#codex-preview-area {
    width: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border-right: 1px solid var(--border-subtle);
    background: rgba(4, 5, 9, 0.4);
}
#preview-canvas {
    border-radius: 16px;
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.15);
}
#preview-label {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--text-dim);
}
#codex-info-area {
    flex: 1;
    overflow-y: auto;
    padding: 32px 36px;
}
.info-name {
    font-family: var(--font-display);
    font-size: clamp(26px, 4vw, 42px);
    font-weight: 900;
    letter-spacing: 2px;
    margin: 0 0 6px 0;
}
.info-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--cyan);
    margin-bottom: 20px;
    display: inline-block;
}
.info-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 24px;
    max-width: 480px;
}
.info-stats {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
    max-width: 480px;
}
.info-stat-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.stat-lbl {
    width: 44px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
    text-align: right;
}
.stat-track {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}
.stat-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.stat-num {
    width: 20px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    text-align: right;
}
.info-perks {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 28px;
    max-width: 480px;
}
.perk-item {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid var(--cyan);
    border-radius: 0 8px 8px 0;
}
.select-op-btn {
    padding: 14px 32px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 2px;
    cursor: pointer;
    background: var(--lime);
    color: var(--bg-dark);
    border: none;
    border-radius: 10px;
    box-shadow: 0 0 20px var(--lime-glow);
    transition: all 0.2s;
}
.select-op-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--lime);
}
.select-op-btn.already-selected {
    background: rgba(0, 255, 102, 0.15);
    border: 1px solid var(--lime);
    color: var(--lime);
    cursor: default;
    box-shadow: none;
}

/* ════════════════════════════════════════
   TUTORIAL MODAL
════════════════════════════════════════ */
#tutorial-overlay {
    position: fixed;
    inset: 0;
    z-index: 35;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(4, 5, 9, 0.96);
    backdrop-filter: blur(14px);
    padding: 20px;
}
#tut-slide-area {
    width: 100%;
    max-width: 640px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-accent);
    border-radius: 24px;
    padding: 36px 40px;
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.15);
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.tut-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--cyan);
}
.tut-title {
    font-family: var(--font-display);
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 900;
    margin: 0;
    color: #ffffff;
}
.tut-body {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-muted);
}
.tut-hl {
    color: var(--cyan);
    font-weight: 700;
}
.tut-table {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
}
.tut-row {
    display: flex;
    align-items: center;
    gap: 14px;
}
.tut-badge {
    flex: 0 0 90px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid;
    text-align: center;
}
.tut-dot {
    flex: 0 0 12px;
    height: 12px;
    border-radius: 50%;
}
.tut-key {
    flex: 0 0 90px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 4px 8px;
    border-radius: 6px;
    text-align: center;
    color: var(--cyan);
}
.tut-desc {
    font-size: 13px;
    color: var(--text-muted);
}
.tut-btns {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
}
.tut-skip-btn {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dim);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}
.tut-skip-btn:hover {
    color: #ffffff;
}
.tut-next-btn {
    padding: 12px 30px;
    font-family: var(--font-ui);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 2px;
    cursor: pointer;
    background: var(--cyan);
    color: var(--bg-dark);
    border: none;
    border-radius: 10px;
    box-shadow: 0 0 20px var(--cyan-glow);
    transition: all 0.2s;
}
.tut-next-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--cyan);
}
.tut-progress {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 6px;
}
.tut-pip {
    width: 24px;
    height: 4px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
}
.tut-pip-on {
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
}

#tut-hint {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    pointer-events: none;
    background: rgba(10, 12, 20, 0.92);
    border: 1px solid var(--cyan);
    padding: 12px 28px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 800;
    color: #ffffff;
    box-shadow: 0 0 30px var(--cyan-glow);
    opacity: 0;
    transition: opacity 0.3s;
}

/* ════════════════════════════════════════
   MOBILE CONTROLS
════════════════════════════════════════ */
#mobile-controls {
    display: none;
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 22;
}
#mobile-controls > * {
    pointer-events: auto;
}

#joystick-container {
    position: absolute;
    bottom: 30px;
    left: 30px;
    width: 140px;
    height: 140px;
    background: rgba(255, 255, 255, 0.06);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}
#joystick-knob {
    position: absolute;
    top: 45px;
    left: 45px;
    width: 50px;
    height: 50px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--cyan);
}

.touch-btn {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 900;
    border-radius: 50%;
    backdrop-filter: blur(8px);
    transition: transform 0.1s;
}
.touch-btn:active {
    transform: scale(0.92);
}
.touch-btn-fire {
    bottom: 30px;
    right: 30px;
    width: 90px;
    height: 90px;
    font-size: 16px;
    letter-spacing: 2px;
    color: #ffffff;
    background: rgba(255, 0, 64, 0.35);
    border: 3px solid #ff0040;
    box-shadow: 0 0 24px rgba(255, 0, 64, 0.4);
}
.touch-btn-reload {
    bottom: 40px;
    right: 140px;
    width: 68px;
    height: 68px;
    font-size: 24px;
    color: var(--cyan);
    background: rgba(0, 240, 255, 0.2);
    border: 2px solid var(--cyan);
    box-shadow: 0 0 16px var(--cyan-glow);
}
.touch-btn-rocket {
    bottom: 50px;
    right: 226px;
    width: 58px;
    height: 58px;
    font-size: 20px;
    color: #ffffff;
    background: rgba(255, 170, 0, 0.2);
    border: 2px solid var(--amber);
    box-shadow: 0 0 16px rgba(255, 170, 0, 0.35);
}
#pause-touch-btn {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 2px solid var(--cyan);
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 0 16px var(--cyan-glow);
}

/* Rotate Device Overlay */
#rotate-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: #040509;
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 24px;
}
.rotate-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-accent);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.2);
}
.rotate-icon {
    font-size: 64px;
    animation: rotateAnim 2s infinite ease-in-out;
}
@keyframes rotateAnim {
    0%   { transform: rotate(0deg); }
    40%  { transform: rotate(90deg); }
    60%  { transform: rotate(90deg); }
    100% { transform: rotate(0deg); }
}
.rotate-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--cyan);
}
#rotate-overlay p {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin: 0;
}

/* ════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
════════════════════════════════════════ */
@media (max-width: 768px) {
    #ui {
        padding: 12px 14px;
    }
    .hud-vitality {
        min-width: 140px;
        padding: 6px 10px;
    }
    .vitality-num {
        font-size: 18px;
    }
    .wave-badge {
        font-size: 14px;
        padding: 4px 14px;
    }
    .enemies-pill {
        font-size: 9px;
    }
    #score-val {
        font-size: 20px;
    }
    #ammo-val {
        font-size: 28px;
    }
    .ammo-counter {
        padding: 6px 12px;
    }
    #menu-title {
        font-size: clamp(32px, 8vw, 48px);
    }
}

@media (max-height: 520px) {
    #menu-content {
        gap: 8px;
        padding: 12px 16px;
    }
    #menu-title {
        font-size: clamp(24px, 5.5vw, 36px);
    }
    #start-btn {
        padding: 12px 18px;
        font-size: 18px;
    }
    .secondary-menu-btn {
        padding: 8px 12px;
        font-size: 11px;
    }
    #menu-controls {
        display: none;
    }
}