/**
 * 无线电UI样式 - 真实仪表风格
 * Radio User Interface Styles - Realistic Instrument Style
 */

/* 主容器 - 嵌入式版本 */
#radio-interface {
    width: 100%;
    height: 100%;
    font-family: 'Courier New', monospace;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* 禁用状态 */
#radio-interface.disabled {
    pointer-events: none;
    opacity: 0.5;
}

#radio-interface.disabled .action-btn {
    opacity: 0.3;
}

#radio-interface.disabled .knob-btn {
    opacity: 0.3;
}

/* 无线电面板 - 适应容器 */
.radio-panel {
    background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
    border: 3px solid #444;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.8),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
    width: 95%;
    max-width: 600px;
    max-height: 95%;
    overflow-y: auto;
}

/* 顶部标题 */
.radio-header {
    text-align: center;
    color: #7f8c8d;
    font-weight: bold;
    font-size: 14px;
    margin-bottom: 15px;
    padding: 10px;
    background: #1a1a1a;
    border: 2px solid #333;
    border-radius: 4px;
    position: relative;
}

.screw {
    position: absolute;
    width: 8px;
    height: 8px;
    background: radial-gradient(circle, #555 0%, #222 100%);
    border-radius: 50%;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.8);
}

.screw:nth-child(1) { top: 5px; left: 5px; }
.screw:nth-child(2) { top: 5px; right: 5px; }
.screw:nth-child(3) { top: 5px; left: 50%; transform: translateX(-50%); }
.screw:nth-child(4) { top: 5px; right: 50%; transform: translateX(50%); }

.screw::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 1px;
    background: #000;
    transform: translate(-50%, -50%) rotate(45deg);
}

/* 瀑布图容器 */
.spectrum-container {
    position: relative;
    background: #000;
    border: 3px solid #333;
    border-radius: 4px;
    margin-bottom: 15px;
    padding: 5px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
}

#waterfall-canvas {
    display: block;
    width: 100%;
    height: 150px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.tuner-line {
    position: absolute;
    top: 5px;
    bottom: 25px;
    left: 50%;
    width: 2px;
    background: #ff0000;
    box-shadow: 0 0 5px #ff0000;
    pointer-events: none;
    transition: left 0.1s ease;
}

.freq-scale {
    display: flex;
    justify-content: space-between;
    padding: 5px 10px 0;
    color: #777;
    font-size: 10px;
}

/* 控制行 */
.control-row {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px;
    background: #222;
    border: 2px solid #333;
    border-radius: 4px;
}

/* 数字显示 */
.digital-display {
    background: #000;
    border: 2px solid #333;
    border-radius: 4px;
    padding: 10px;
    text-align: center;
    box-shadow: inset 0 0 10px rgba(0, 255, 0, 0.2);
}

.display-label {
    color: #666;
    font-size: 10px;
    margin-bottom: 5px;
}

.display-value {
    color: #00ff00;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 0 0 10px #00ff00;
    letter-spacing: 2px;
}

.display-unit {
    color: #00aa00;
    font-size: 12px;
    margin-top: 2px;
}

/* 旋钮组 */
.knob-group {
    text-align: center;
}

.knob-label {
    color: #999;
    font-size: 10px;
    margin-bottom: 5px;
}

.knob {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle at 30% 30%, #555, #222);
    border: 3px solid #333;
    border-radius: 50%;
    position: relative;
    margin: 10px auto;
    box-shadow: 
        0 5px 10px rgba(0, 0, 0, 0.5),
        inset 0 -5px 10px rgba(0, 0, 0, 0.5),
        inset 0 5px 10px rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.knob-small {
    width: 50px;
    height: 50px;
}

.knob-indicator {
    position: absolute;
    top: 5px;
    left: 50%;
    width: 3px;
    height: 15px;
    background: #ff0000;
    transform: translateX(-50%);
    box-shadow: 0 0 5px #ff0000;
}

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

.knob-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 5px;
}

.knob-btn {
    background: linear-gradient(135deg, #444 0%, #222 100%);
    border: 2px solid #333;
    color: #999;
    padding: 5px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-family: 'Courier New', monospace;
    transition: all 0.1s;
}

.knob-btn:hover {
    background: linear-gradient(135deg, #555 0%, #333 100%);
    color: #fff;
}

.knob-btn:active, .knob-btn.active {
    background: #111;
    transform: translateY(1px);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.8);
}

/* 仪表组 */
.instrument-group {
    text-align: center;
}

.instrument-label {
    color: #999;
    font-size: 10px;
    margin-bottom: 5px;
}

/* 罗盘表 */
.compass-meter {
    background: #000;
    border: 3px solid #333;
    border-radius: 50%;
    padding: 5px;
    display: inline-block;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
}

#compass-canvas {
    display: block;
}

/* 信号强度表 */
.meter {
    background: #000;
    border: 3px solid #333;
    border-radius: 8px;
    padding: 5px;
    display: inline-block;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
}

#meter-canvas {
    display: block;
}

.signal-info {
    margin-top: 5px;
    font-size: 11px;
}

#signal-callsign {
    color: #ffff00;
    font-weight: bold;
}

#signal-freq {
    color: #00ff00;
}

#antenna-display {
    color: #00ff00;
    font-weight: bold;
    min-width: 40px;
    display: inline-block;
}

/* 操作按钮行 */
.button-row {
    display: flex;
    justify-content: space-around;
    margin-bottom: 15px;
    gap: 10px;
}

.action-btn {
    flex: 1;
    background: linear-gradient(135deg, #2c5f2d 0%, #1a3a1b 100%);
    border: 2px solid #3a7a3c;
    color: #00ff00;
    padding: 12px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    font-weight: bold;
    position: relative;
    transition: all 0.2s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.action-btn:hover {
    background: linear-gradient(135deg, #3a7a3c 0%, #2c5f2d 100%);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.7);
}

.action-btn:active {
    transform: translateY(1px);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.8);
}

.btn-led {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 8px;
    height: 8px;
    background: #003300;
    border: 1px solid #00aa00;
    border-radius: 50%;
    transition: all 0.2s;
}

.btn-led.active {
    background: #00ff00;
    box-shadow: 0 0 10px #00ff00;
}

/* 纸带容器 */
.paper-tape-container {
    background: #1a1a1a;
    border: 2px solid #333;
    border-radius: 4px;
    padding: 10px;
}

.tape-label {
    color: #777;
    font-size: 10px;
    margin-bottom: 5px;
}

.paper-tape {
    background: #f5f5dc;
    border: 2px solid #8b7355;
    border-radius: 2px;
    min-height: 0;
    max-height: 300px;
    overflow-y: auto;
    padding: 5px;
    cursor: pointer;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: min-height 0.5s ease-out;
    display: flex;
    flex-direction: column;
}

.paper-tape:hover {
    background: #fff8dc;
}

.tape-content {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: #000;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.tape-message {
    margin-bottom: 10px;
    padding: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-left: 3px solid #8b7355;
    transition: all 0.5s ease-out;
    animation: tapeGrow 0.5s ease-out;
}

@keyframes tapeGrow {
    from {
        max-height: 0;
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }
    to {
        max-height: 200px;
        opacity: 1;
        transform: scaleY(1);
    }
}

.tape-morse {
    font-weight: bold;
    letter-spacing: 3px;
    color: #8b4513;
    font-size: 16px;
    line-height: 1.4;
}

.tape-text {
    margin-top: 4px;
    color: #000;
    font-size: 13px;
}

.tape-hint {
    color: #666;
    font-size: 9px;
    margin-top: 5px;
    text-align: center;
}

/* 摩斯码对照表（纸张样式） */
.morse-reference-paper {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 500px;
    max-height: 80vh;
    background: linear-gradient(135deg, #fffaf0 0%, #f5f5dc 100%);
    border: 3px solid #8b7355;
    border-radius: 8px;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
}

.morse-reference-paper.paper-show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.paper-header {
    padding: 15px 20px;
    border-bottom: 2px solid #8b7355;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, #fffaf0 0%, #f5f5dc 100%);
}

.paper-header h3 {
    margin: 0;
    color: #8b4513;
    font-family: 'Courier New', monospace;
    font-size: 18px;
}

.paper-close {
    background: #8b7355;
    border: none;
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    transition: all 0.2s;
}

.paper-close:hover {
    background: #a0826d;
    transform: rotate(90deg);
}

.paper-content {
    padding: 20px;
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}

.morse-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.morse-section h4 {
    margin: 0 0 10px 0;
    color: #8b4513;
    font-size: 14px;
    border-bottom: 1px solid #d2b48c;
    padding-bottom: 5px;
}

.morse-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 8px;
    margin: 2px 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.morse-char {
    font-weight: bold;
    color: #8b4513;
}

.morse-code {
    font-family: 'Courier New', monospace;
    color: #000;
    letter-spacing: 2px;
}

/* 滚动条样式 */
.paper-tape::-webkit-scrollbar,
.paper-content::-webkit-scrollbar {
    width: 8px;
}

.paper-tape::-webkit-scrollbar-track {
    background: #d2b48c;
}

.paper-tape::-webkit-scrollbar-thumb {
    background: #8b7355;
    border-radius: 4px;
}

.paper-tape::-webkit-scrollbar-thumb:hover {
    background: #a0826d;
}

.paper-content::-webkit-scrollbar-track {
    background: #f5f5dc;
}

.paper-content::-webkit-scrollbar-thumb {
    background: #d2b48c;
    border-radius: 4px;
}

/* 响应式调整 */
@media (max-width: 800px) {
    .radio-panel {
        width: 90vw;
        padding: 15px;
    }
    
    .morse-reference-paper {
        width: 90vw;
    }
    
    .morse-grid {
        grid-template-columns: 1fr;
    }
}