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

body {
    font-family: 'SimSun', serif;
    font-weight: bold;
    overflow: hidden;
    height: 100vh;
    position: relative;
    transition: all 0.3s ease;
}

/* Logo控件 - 居中显示 */
.logo-widget {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 8px 16px;
    z-index: 1000;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.logo-widget:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.logo {
    width: 24px;
    height: 24px;
}

.project-name {
    font-size: 16px;
    font-weight: bold;
    white-space: nowrap;
}

/* 计时器控件 - 右上角显示 */
.time-widget {
    position: fixed;
    top: 20px;
    right: 20px;
    font-size: 14px;
    font-family: 'Courier New', monospace;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 8px 12px;
    z-index: 1000;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    min-width: 80px;
    text-align: center;
}

.time-widget:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* 红色定位线 */
.reading-line {
    position: fixed;
    top: 25%;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, transparent 0%, #ff4444 15%, #ff4444 90%, transparent 100%);
    z-index: 500;
    box-shadow: 0 0 40px rgba(255, 68, 68, 0.9);
    transition: opacity 0.3s ease;
    cursor: ns-resize;
    padding: 1px 0; 
}

.reading-line:hover {
    box-shadow: 0 0 60px rgba(255, 68, 68, 1);
    transform: all 0.3s ease;
}

.reading-line.dragging {
    transition: none;
    box-shadow: 0 0 80px rgba(255, 68, 68, 1);
}

/* 主内容区域 */
.main-content {
    height: 100vh;
    padding-top: 0;
    position: relative;
    overflow: hidden;
}

.text-editor-container {
    height: 100%;
    position: relative;
    display: flex;
}

.text-editor {
    flex: 1;
    padding-top: 12vh;
    padding-bottom: 75vh; /* 底部额外空间，相当于屏幕3/4高度 */
    padding-left: 40px;
    padding-right: 40px;
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 1px;
    outline: none;
    border: none;
    resize: none;
    overflow-y: auto;
    height: 100%;
    transition: all 0.3s ease;
    transform-origin: center;
}

.text-editor::-webkit-scrollbar {
    display: none;
}

.text-editor.locked {
    cursor: default;
    user-select: none;
}

/* 水印层 */
.watermark-layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 100;
    overflow: hidden;
}

/* 设置面板通用样式 */
.settings-panel {
    position: fixed;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    z-index: 1500;
    min-width: 280px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.settings-panel h3 {
    margin-bottom: 15px;
    font-size: 16px;
    color: #333;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.setting-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #555;
    padding-bottom: 5px;
}

.setting-group input[type="range"] {
    flex: 1;
    margin: 0 8px;
}

.setting-group input[type="text"],
.setting-group input[type="number"],
.setting-group select {
    padding: 6px 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

.setting-group input[type="color"] {
    width: 40px;
    height: 30px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

/* 录音控制按钮 */
.record-control-btn {
    padding: 8px 16px;
    margin: 4px;
    border: none;
    border-radius: 6px;
    background: #007bff;
    color: white;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.record-control-btn:hover:not(:disabled) {
    background: #0056b3;
    transform: translateY(-1px);
}

.record-control-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* 倒计时显示 */
.countdown-display {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2000;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    width: 100px;
    backdrop-filter: blur(10px);
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: bold;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

/* 全屏样式 */
.fullscreen .top-header {
    display: none;
}

.fullscreen .main-content {
    padding-top: 0;
}

.fullscreen .reading-line {
    top: 25vh;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .settings-panel {
        width: 90vw;
        left: 5vw !important;
        right: 5vw !important;
    }
    
    .text-editor {
        padding: 15px 40px;
        font-size: 14px;
    }
}