/* Start Screen */
        #start-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background: radial-gradient(ellipse at center, rgba(20, 0, 40, 0.9) 0%, rgba(0, 0, 0, 0.95) 100%);
            z-index: 200;
            padding: calc(var(--safe-area-inset-top) + 90px) calc(var(--safe-area-inset-right) + 20px) calc(var(--safe-area-inset-bottom) + 20px) calc(var(--safe-area-inset-left) + 20px);
        }

        .top-bar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 210;
            padding: calc(var(--safe-area-inset-top) + 10px) calc(var(--safe-area-inset-right) + 12px) 8px calc(var(--safe-area-inset-left) + 12px);
            pointer-events: none;
            display: flex;
            justify-content: center;
        }

        .top-bar-inner {
            width: min(var(--top-bar-max-width), calc(100vw - var(--top-bar-side-gap)));
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--top-bar-gap);
            padding: 8px 12px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(6, 4, 18, 0.72);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
            pointer-events: auto;
        }

        .top-bar-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--top-bar-stat-gap);
            align-items: center;
        }

        .top-bar-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .top-bar .orb-icon {
            width: 12px;
            height: 12px;
            box-shadow: 0 0 6px rgba(0, 255, 255, 0.5);
            animation: none;
        }

        @media (max-width: 768px) {
            #start-screen {
                padding-top: calc(var(--safe-area-inset-top) + 82px);
            }

            .top-bar-inner {
                width: min(var(--top-bar-max-width), calc(100vw - 16px));
                padding: 8px 10px;
            }

            .top-bar-stats {
                gap: 8px;
            }

            .top-bar-actions {
                gap: 8px;
            }

            .store-btn-lite,
            .dev-tools-toggle-btn {
                width: var(--top-bar-icon-size);
                height: var(--top-bar-icon-size);
            }
        }

        #start-screen h1 {
            font-size: 56px;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 8px;
            margin-bottom: 15px;
            text-shadow: 
                0 0 10px #ff00ff,
                0 0 20px #ff00ff,
                0 0 40px #ff00ff,
                0 0 80px #ff00ff;
            animation: titlePulse 2s ease-in-out infinite;
            text-align: center;
            width: 100%;
        }

        @keyframes titlePulse {
            0%, 100% { text-shadow: 0 0 10px #ff00ff, 0 0 20px #ff00ff, 0 0 40px #ff00ff; }
            50% { text-shadow: 0 0 20px #00ffff, 0 0 40px #00ffff, 0 0 80px #00ffff; }
        }

        #start-screen .subtitle {
            font-size: 16px;
            color: #00ffff;
            letter-spacing: 4px;
            margin-bottom: 15px;
            text-transform: uppercase;
        }

        .credit {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 2px;
            margin-bottom: 40px;
            font-style: italic;
        }

        .btn {
            padding: 18px 50px;
            font-size: 20px;
            text-transform: uppercase;
            letter-spacing: 4px;
            border: 2px solid #ff00ff;
            background: transparent;
            color: #ff00ff;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border-radius: 8px;
            font-weight: 600;
            min-height: 56px;
            min-width: 200px;
            -webkit-tap-highlight-color: transparent;
        }

        .btn-secondary {
            border-color: #00ffff;
            color: #00ffff;
        }

        .btn-secondary:hover {
            background: #00ffff;
            color: #000;
            box-shadow: 0 0 30px #00ffff, 0 0 60px #00ffff;
        }

        .btn-group {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 30px;
            align-items: center;
        }

        .btn:active {
            transform: scale(0.95);
        }

        .btn:hover {
            background: #ff00ff;
            color: #000;
            box-shadow: 0 0 30px #ff00ff, 0 0 60px #ff00ff;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s ease;
        }

        .btn:hover::before {
            left: 100%;
        }

        .controls-info {
            margin-top: 40px;
            color: rgba(255,255,255,0.6);
            font-size: 13px;
            text-align: center;
            line-height: 1.6;
        }

.controls-info span {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,0.3);
    margin: 4px;
    border-radius: 6px;
    font-weight: 500;
}

.dev-tools-panel {
    position: relative;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.dev-tools-toggle-btn {
    width: var(--top-bar-icon-size);
    height: var(--top-bar-icon-size);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0;
    border-radius: 50%;
    border: 1px solid rgba(0, 255, 255, 0.5);
    background: radial-gradient(circle at 35% 30%, rgba(0, 255, 255, 0.35), rgba(0, 20, 30, 0.9) 70%);
    color: #d6ffff;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
    box-shadow:
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -4px 8px rgba(0, 0, 0, 0.45),
        0 8px 16px rgba(0, 255, 255, 0.2);
    position: relative;
}

.dev-tools-toggle-btn:hover {
    transform: translateY(-1px);
    box-shadow:
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -4px 8px rgba(0, 0, 0, 0.45),
        0 8px 16px rgba(0, 255, 255, 0.28),
        0 0 18px rgba(0, 255, 255, 0.35);
}

.dev-tools-toggle-icon {
    font-size: var(--top-bar-icon-font);
    text-shadow: 0 2px 6px rgba(0, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .dev-tools-panel {
        position: relative;
        width: auto;
        margin-top: 0;
        align-items: flex-end;
    }

    .dev-tools-toggle-btn {
        width: 44px;
        height: 44px;
    }
}

.dev-tools {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    margin-top: 0;
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.08);
    text-align: left;
    display: none;
    width: min(320px, 80vw);
}

.dev-tools.is-open {
    display: block;
}

.dev-tools-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
}

.dev-tools-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 12px;
    align-items: center;
    margin-bottom: 12px;
}

.dev-tools-row:last-child {
    margin-bottom: 0;
}

.dev-tools-label {
    min-width: 92px;
    font-size: 12px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.dev-tools-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.dev-tools-btn {
    background: rgba(0, 255, 255, 0.12);
    border: 1px solid rgba(0, 255, 255, 0.35);
    color: #b8ffff;
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.dev-tools-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.3);
}

.dev-tools-input {
    width: 76px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    padding: 6px 8px;
    font-size: 12px;
}

.dev-tools-select {
    min-width: 140px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    padding: 6px 8px;
    font-size: 12px;
    cursor: pointer;
}

.dev-tools-select:focus {
    outline: none;
    border-color: rgba(0, 255, 255, 0.5);
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
}

.dev-tools-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid rgba(255, 0, 255, 0.25);
    background: rgba(255, 0, 255, 0.08);
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu-orbs {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.25);
    color: #fff;
    letter-spacing: 1px;
}

.orb-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #ffffff 0%, #00ffff 50%, #0088ff 100%);
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.9), 0 0 6px rgba(0, 136, 255, 0.6);
    display: inline-block;
    animation: orbPulse 2s ease-in-out infinite;
}

@keyframes orbPulse {
    0%, 100% {
        opacity: 0.9;
        box-shadow: 0 0 12px rgba(0, 255, 255, 0.9), 0 0 6px rgba(0, 136, 255, 0.6);
    }
    50% {
        opacity: 1;
        box-shadow: 0 0 16px rgba(0, 255, 255, 1), 0 0 8px rgba(0, 136, 255, 0.8);
    }
}

.orb-label {
    font-size: 10px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
}

.orb-value {
    font-size: 14px;
    font-weight: 700;
    color: #00ffff;
}

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

.menu-top-distance {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 0, 255, 0.2);
    background: rgba(0, 0, 0, 0.25);
    color: #fff;
    letter-spacing: 1px;
}

.top-distance-label {
    font-size: 10px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
}

.top-distance-value {
    font-size: 14px;
    font-weight: 700;
    color: #ff00ff;
}

.top-distance-unit {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.75);
}

.store-btn-lite {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0;
    width: var(--top-bar-icon-size);
    height: var(--top-bar-icon-size);
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.18), rgba(20, 8, 30, 0.92) 70%);
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow:
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -4px 8px rgba(0, 0, 0, 0.45),
        0 8px 16px rgba(255, 0, 255, 0.18);
    position: relative;
}

.store-btn-lite:hover {
    border-color: rgba(0, 255, 255, 0.6);
    color: #00ffff;
    box-shadow:
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -4px 8px rgba(0, 0, 0, 0.45),
        0 8px 16px rgba(0, 255, 255, 0.25),
        0 0 18px rgba(0, 255, 255, 0.35);
}

.store-icon {
    font-size: var(--top-bar-icon-font);
    text-shadow: 0 2px 6px rgba(255, 0, 255, 0.5);
}

/* ========================================
   Screen Transitions
   ======================================== */
.screen-fade-in {
    animation: screenFadeIn 0.3s ease-out forwards;
}

.screen-fade-out {
    animation: screenFadeOut 0.3s ease-out forwards;
}

@keyframes screenFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes screenFadeOut {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    to {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
}

/* ========================================
   Settings Sliders
   ======================================== */
.settings-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.15);
    outline: none;
    cursor: pointer;
}

.settings-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #00ffff;
    border: 2px solid rgba(0, 255, 255, 0.8);
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
    cursor: pointer;
}

.settings-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #00ffff;
    border: 2px solid rgba(0, 255, 255, 0.8);
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
    cursor: pointer;
}

.settings-slider-value {
    font-size: 12px;
    color: #00ffff;
    min-width: 35px;
    text-align: right;
}