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

body {
    font-family: 'Courier New', monospace;
    background: #0a0a0a;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 255, 0, 0.03) 2px, rgba(0, 255, 0, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0, 255, 0, 0.03) 2px, rgba(0, 255, 0, 0.03) 4px),
        radial-gradient(circle at 20% 30%, rgba(10, 40, 10, 0.3), transparent),
        radial-gradient(circle at 80% 70%, rgba(10, 40, 10, 0.3), transparent);
    background-size: 4px 4px, 4px 4px, 100% 100%, 100% 100%;
    color: #0f0;
    overflow: hidden;
    height: 100vh;
    touch-action: pan-y;
}

/* Screen Management */
.screen {
    display: none;
    width: 100vw;
    height: 100vh;
}

.screen.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Globe Container */
#globe-container {
    position: relative;
    background: #000;
}

#globe-canvas {
    width: 100%;
    height: 100%;
    cursor: grab;
}

#globe-canvas:active {
    cursor: grabbing;
}

.globe-instructions {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: #0f0;
    font-size: 18px;
    text-align: center;
    padding: 15px 30px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid #0f0;
    border-radius: 5px;
}

.globe-return-btn {
    position: absolute;
    top: 30px;
    right: 30px;
    padding: 15px 30px;
    background: linear-gradient(135deg, #4a4a4a 0%, #333 50%, #1a1a1a 100%);
    border: 2px solid #666;
    border-radius: 6px;
    color: #c9a961;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
    box-shadow:
        0 3px 8px rgba(0, 0, 0, 0.5),
        inset 0 1px 2px rgba(255, 255, 255, 0.15),
        inset 0 -1px 2px rgba(0, 0, 0, 0.5);
    z-index: 100;
}

.globe-return-btn:hover {
    background: linear-gradient(135deg, #555 0%, #3a3a3a 50%, #222 100%);
    transform: translateY(-2px);
    box-shadow:
        0 5px 12px rgba(0, 0, 0, 0.6),
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -1px 2px rgba(0, 0, 0, 0.6);
}

.country-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    color: #00ffcc;
    padding: 10px 20px;
    border: 2px solid #00ffcc;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    pointer-events: none;
    z-index: 1000;
    text-shadow: 0 0 5px rgba(0, 255, 204, 0.8);
    box-shadow: 0 0 15px rgba(0, 255, 204, 0.3);
    white-space: nowrap;
}

.country-tooltip.hidden {
    display: none;
}

/* Modal */
.modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: #1a1a1a;
    border: 3px solid #0f0;
    border-radius: 10px;
    padding: 30px;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    color: #0f0;
}

.modal-content h2 {
    margin-bottom: 20px;
    font-size: 24px;
    text-align: center;
    text-transform: uppercase;
}

#stations-list {
    margin-bottom: 20px;
}

.station-item {
    padding: 15px;
    margin: 10px 0;
    background: #000;
    border: 2px solid #0f0;
    cursor: pointer;
    transition: all 0.3s;
}

.station-item:hover {
    background: #0f0;
    color: #000;
    transform: translateX(5px);
}

.station-item-name {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 5px;
}

.station-item-tags {
    font-size: 12px;
    opacity: 0.8;
}

#close-modal {
    width: 100%;
    padding: 15px;
    background: #0f0;
    color: #000;
    border: none;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    font-family: 'Courier New', monospace;
}

#close-modal:hover {
    background: #0d0;
}

/* Stereo Container */
#stereo-container {
    background: linear-gradient(180deg, #1a1a1a 0%, #000 100%);
    flex-direction: column;
    position: relative;
}

.stereo-body {
    width: 90%;
    max-width: 1200px;
    background:
        linear-gradient(135deg, #3a3a3a 0%, #2a2a2a 50%, #1a1a1a 100%);
    border: 3px solid #555;
    border-radius: 15px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.9),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 -1px 0 rgba(0, 0, 0, 0.5),
        0 0 40px rgba(0, 0, 0, 0.5);
    padding: 25px;
    position: relative;
}

.stereo-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    border-radius: 15px 15px 0 0;
    pointer-events: none;
}

/* Panels */
.stereo-panel {
    margin-bottom: 20px;
    padding: 20px;
    background: linear-gradient(135deg, #383838 0%, #2a2a2a 50%, #1a1a1a 100%);
    border-radius: 8px;
    border: 2px solid #4a4a4a;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.5),
        0 2px 5px rgba(0, 0, 0, 0.3);
    position: relative;
}

.top-panel {
    text-align: right;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    padding: 15px 25px;
    border: 1px solid #333;
}

.brand-name-link {
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.3s;
}

.brand-name-link:hover {
    opacity: 0.8;
}

.brand-name {
    font-size: 18px;
    font-weight: bold;
    color: #00ff00;
    text-shadow:
        0 0 5px rgba(0, 255, 0, 0.8),
        0 0 10px rgba(0, 255, 0, 0.5),
        0 0 15px rgba(0, 255, 0, 0.3);
    letter-spacing: 3px;
    font-family: 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.8);
    padding: 8px 15px;
    border: 2px solid #00ff00;
    border-radius: 5px;
    display: inline-block;
    box-shadow:
        0 0 10px rgba(0, 255, 0, 0.3),
        inset 0 0 10px rgba(0, 255, 0, 0.1);
}

.pink-text {
    color: #ff00ff;
    text-shadow:
        0 0 5px rgba(255, 0, 255, 0.8),
        0 0 10px rgba(255, 0, 255, 0.5),
        0 0 15px rgba(255, 0, 255, 0.3);
}

.model-number {
    font-size: 10px;
    color: #666;
    letter-spacing: 2px;
    margin-top: 8px;
    text-align: right;
}

/* VFD Display */
.display-panel {
    background: linear-gradient(135deg, #1a1a1a 0%, #000 100%);
    border: 3px solid #333;
    box-shadow:
        inset 0 2px 10px rgba(0, 0, 0, 0.8),
        0 2px 5px rgba(0, 0, 0, 0.5);
}

.vfd-display {
    background: #001a1a;
    border: 3px solid #004444;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 15px;
    box-shadow:
        inset 0 0 20px rgba(0, 255, 204, 0.1),
        inset 0 2px 10px rgba(0, 0, 0, 0.9),
        0 0 15px rgba(0, 255, 204, 0.2);
    position: relative;
}

.vfd-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, transparent 100%);
    border-radius: 8px 8px 0 0;
    pointer-events: none;
}

.vfd-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.station-info {
    flex: 1;
}

.station-name {
    font-size: 28px;
    color: #00ffcc;
    text-shadow: 0 0 10px #00ffcc, 0 0 20px #00ffcc;
    margin-bottom: 8px;
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
}

.station-location {
    font-size: 16px;
    color: #00aa88;
    text-shadow: 0 0 5px #00aa88;
}

.station-frequency {
    font-size: 20px;
    color: #00ffcc;
    text-shadow: 0 0 8px #00ffcc;
    margin-top: 5px;
}

.vfd-indicators {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.indicator {
    font-size: 12px;
    color: #006666;
    text-shadow: 0 0 3px #006666;
    padding: 5px 10px;
    border: 1px solid #003333;
    border-radius: 3px;
}

.indicator.active {
    color: #00ffcc;
    text-shadow: 0 0 8px #00ffcc;
    border-color: #00ffcc;
}

/* Spectrum Analyzer */
.spectrum-container {
    background: #000;
    border: 3px solid #004444;
    border-radius: 8px;
    padding: 15px;
    box-shadow:
        inset 0 0 20px rgba(0, 255, 204, 0.1),
        inset 0 3px 10px rgba(0, 0, 0, 0.9),
        0 0 15px rgba(0, 255, 204, 0.2);
    position: relative;
}

.spectrum-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 35%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, transparent 100%);
    border-radius: 8px 8px 0 0;
    pointer-events: none;
}

#spectrum-canvas {
    width: 100%;
    height: 100px;
    display: block;
    position: relative;
    z-index: 1;
}

/* Controls */
.control-panel {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
}

.control-section {
    display: flex;
    gap: 15px;
    align-items: center;
}

.tuning-section {
    display: flex;
    gap: 30px;
}

.tuning-dial-container,
.volume-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dial-label {
    font-size: 11px;
    color: #c9a961;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.tuning-dial {
    width: 80px;
    height: 80px;
    background:
        radial-gradient(circle at 30% 30%, #555 0%, #333 50%, #1a1a1a 100%);
    border-radius: 50%;
    border: 4px solid #666;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s;
    box-shadow:
        0 4px 10px rgba(0, 0, 0, 0.6),
        inset 0 2px 5px rgba(255, 255, 255, 0.15),
        inset 0 -2px 5px rgba(0, 0, 0, 0.5);
}

.tuning-dial::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15), transparent);
    pointer-events: none;
}

.tuning-dial::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
    height: 32px;
    background: linear-gradient(180deg, #e6d4a0 0%, #c9a961 100%);
    border-radius: 2px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.tuning-dial:hover {
    transform: scale(1.05);
    box-shadow:
        0 6px 15px rgba(0, 0, 0, 0.7),
        inset 0 2px 5px rgba(255, 255, 255, 0.2),
        inset 0 -2px 5px rgba(0, 0, 0, 0.6);
}

.volume-slider {
    width: 120px;
    -webkit-appearance: none;
    background: linear-gradient(180deg, #222 0%, #333 50%, #222 100%);
    height: 10px;
    border-radius: 5px;
    outline: none;
    border: 1px solid #444;
    box-shadow:
        inset 0 2px 5px rgba(0, 0, 0, 0.6),
        0 1px 2px rgba(255, 255, 255, 0.1);
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background:
        radial-gradient(circle at 35% 35%, #e6d4a0 0%, #c9a961 50%, #a88841 100%);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #8a7041;
    box-shadow:
        0 3px 8px rgba(0, 0, 0, 0.6),
        inset 0 1px 3px rgba(255, 255, 255, 0.3),
        inset 0 -1px 3px rgba(0, 0, 0, 0.4);
}

.volume-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background:
        radial-gradient(circle at 35% 35%, #e6d4a0 0%, #c9a961 50%, #a88841 100%);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #8a7041;
    box-shadow:
        0 3px 8px rgba(0, 0, 0, 0.6),
        inset 0 1px 3px rgba(255, 255, 255, 0.3),
        inset 0 -1px 3px rgba(0, 0, 0, 0.4);
}

.volume-display {
    font-size: 14px;
    color: #c9a961;
    margin-top: 5px;
}

/* Buttons */
.button-section {
    display: flex;
    gap: 8px;
}

.preset-btn {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #4a4a4a 0%, #333 50%, #1a1a1a 100%);
    border: 2px solid #666;
    border-radius: 6px;
    color: #c9a961;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Courier New', monospace;
    box-shadow:
        0 3px 8px rgba(0, 0, 0, 0.5),
        inset 0 1px 2px rgba(255, 255, 255, 0.15),
        inset 0 -1px 2px rgba(0, 0, 0, 0.5);
    position: relative;
}

.preset-btn::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    border-radius: 4px 4px 0 0;
    pointer-events: none;
}

.preset-btn:hover {
    background: linear-gradient(135deg, #555 0%, #3a3a3a 50%, #222 100%);
    transform: translateY(-2px);
    box-shadow:
        0 5px 12px rgba(0, 0, 0, 0.6),
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -1px 2px rgba(0, 0, 0, 0.6);
}

.preset-btn.active {
    background: linear-gradient(135deg, #e6d4a0 0%, #c9a961 50%, #a88841 100%);
    color: #000;
    border-color: #8a7041;
    box-shadow:
        0 2px 10px rgba(201, 169, 97, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.3),
        inset 0 -1px 2px rgba(0, 0, 0, 0.3);
}

.transport-section {
    display: flex;
    gap: 10px;
}

.transport-btn {
    padding: 14px 24px;
    background: linear-gradient(135deg, #4a4a4a 0%, #333 50%, #1a1a1a 100%);
    border: 2px solid #666;
    border-radius: 6px;
    color: #c9a961;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
    box-shadow:
        0 3px 8px rgba(0, 0, 0, 0.5),
        inset 0 1px 2px rgba(255, 255, 255, 0.15),
        inset 0 -1px 2px rgba(0, 0, 0, 0.5);
    position: relative;
}

.transport-btn::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    border-radius: 4px 4px 0 0;
    pointer-events: none;
}

.transport-btn:hover {
    background: linear-gradient(135deg, #555 0%, #3a3a3a 50%, #222 100%);
    transform: translateY(-2px);
    box-shadow:
        0 5px 12px rgba(0, 0, 0, 0.6),
        inset 0 1px 2px rgba(255, 255, 255, 0.2),
        inset 0 -1px 2px rgba(0, 0, 0, 0.6);
}

.transport-btn.active {
    background: linear-gradient(135deg, #e6d4a0 0%, #c9a961 50%, #a88841 100%);
    color: #000;
    border-color: #8a7041;
    box-shadow:
        0 2px 10px rgba(201, 169, 97, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.3),
        inset 0 -1px 2px rgba(0, 0, 0, 0.3);
}

#power-btn.active {
    background: linear-gradient(135deg, #00ff00 0%, #00dd00 50%, #00bb00 100%);
    color: #000;
    border-color: #00aa00;
    box-shadow:
        0 0 20px rgba(0, 255, 0, 0.6),
        0 0 40px rgba(0, 255, 0, 0.3),
        inset 0 1px 2px rgba(255, 255, 255, 0.4),
        inset 0 -1px 2px rgba(0, 0, 0, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Mobile Optimization */
@media screen and (max-width: 768px) {
    body {
        overflow-y: auto;
        height: auto;
        min-height: 100vh;
        -webkit-overflow-scrolling: touch;
    }

    #stereo-container {
        overflow-y: auto;
        height: auto;
        min-height: 100vh;
    }

    /* Stereo Body - Scale down for mobile */
    .stereo-body {
        width: 95%;
        padding: 15px;
        max-width: 100%;
        margin: 20px auto;
    }

    /* Top Panel */
    .brand-name {
        font-size: 14px;
        letter-spacing: 2px;
        padding: 6px 12px;
    }

    .model-number {
        font-size: 8px;
    }

    /* VFD Display */
    .vfd-display {
        padding: 15px;
    }

    .station-name {
        font-size: 18px;
    }

    .station-location {
        font-size: 12px;
    }

    .station-frequency {
        font-size: 14px;
    }

    .indicator {
        font-size: 10px;
        padding: 4px 8px;
    }

    /* Spectrum Analyzer */
    #spectrum-canvas {
        height: 80px;
    }

    /* Control Panel - Stack vertically */
    .control-panel {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }

    .control-section {
        width: 100%;
        justify-content: center;
    }

    /* Tuning Section */
    .tuning-section {
        flex-direction: column;
        gap: 20px;
        align-items: center;
        width: 100%;
    }

    .tuning-dial {
        width: 70px;
        height: 70px;
    }

    .volume-slider {
        width: 200px;
    }

    /* Button Section - Wrap on mobile */
    .button-section {
        flex-wrap: wrap;
        justify-content: center;
        gap: 6px;
    }

    .preset-btn {
        width: 42px;
        height: 42px;
        font-size: 16px;
    }

    /* Transport Section - Stack on small screens */
    .transport-section {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    .transport-btn {
        padding: 12px 20px;
        font-size: 11px;
        flex: 1 1 45%;
        min-width: 100px;
    }

    /* Globe Instructions */
    .globe-instructions {
        bottom: 20px;
        font-size: 14px;
        padding: 10px 20px;
    }

    .globe-return-btn {
        top: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 12px;
    }

    /* Modal */
    .modal-content {
        padding: 20px;
        max-width: 90%;
        max-height: 75vh;
    }

    .modal-content h2 {
        font-size: 20px;
    }

    .station-item {
        padding: 12px;
    }

    .station-item-name {
        font-size: 16px;
    }

    .station-item-tags {
        font-size: 11px;
    }

    /* Country Tooltip */
    .country-tooltip {
        font-size: 14px;
        padding: 8px 16px;
    }
}

/* Extra small mobile devices */
@media screen and (max-width: 480px) {
    .stereo-body {
        padding: 10px;
    }

    .brand-name {
        font-size: 12px;
        letter-spacing: 1px;
        padding: 5px 10px;
    }

    .station-name {
        font-size: 16px;
    }

    .station-location {
        font-size: 11px;
    }

    .station-frequency {
        font-size: 12px;
    }

    .tuning-dial {
        width: 60px;
        height: 60px;
    }

    .volume-slider {
        width: 150px;
    }

    .preset-btn {
        width: 38px;
        height: 38px;
        font-size: 14px;
    }

    .transport-btn {
        padding: 10px 16px;
        font-size: 10px;
        flex: 1 1 100%;
    }

    .globe-instructions {
        font-size: 12px;
        padding: 8px 15px;
    }

    .modal-content {
        padding: 15px;
    }

    .modal-content h2 {
        font-size: 18px;
    }

    .station-item-name {
        font-size: 14px;
    }
}

/* Landscape mobile optimization */
@media screen and (max-width: 768px) and (orientation: landscape) {
    .stereo-body {
        max-width: 90%;
    }

    .control-panel {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .tuning-section {
        flex-direction: row;
        gap: 15px;
    }

    .transport-section {
        width: 100%;
        justify-content: center;
    }
}