/*
 * 文本阅读器样式
 * 适配 CLI 主题
 */

.reader-container {
    padding: 0;
    margin: 0;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    min-height: 70vh;
}

.reader-container.reading-mode {
    min-height: 80vh;
}

.reader-container.reading-mode .reader-header h1,
.reader-container.reading-mode .reader-header p,
.reader-container.reading-mode .upload-area,
.reader-container.reading-mode .reader-controls {
    display: none;
}

.reader-header {
    text-align: left;
    margin-bottom: 1.5vw;
    padding-bottom: 1vw;
    border-bottom: 1px dashed var(--cli-border);
    position: relative;
}

.reader-header h1 {
    color: var(--cli-fg);
    margin-bottom: 0.5vw;
    font-size: 1.5rem;
}

.reader-header h1::before {
    content: '# ';
    color: var(--cli-fg-dim);
}

.reader-header p {
    color: var(--cli-fg-dim);
    margin: 0;
    font-size: 0.9rem;
}

.reader-header .reset-btn-top {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.4vw 0.8vw;
    font-size: 0.8rem;
}

.upload-area {
    border: 2px dashed var(--cli-border);
    padding: 4vw 2vw;
    text-align: center;
    margin-bottom: 1.5vw;
    transition: border-color 0.15s;
    background: rgba(0, 255, 0, 0.02);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--cli-fg);
}

.upload-area h3 {
    margin-bottom: 1vw;
    color: var(--cli-fg);
    font-size: 1rem;
}

.upload-area h3::before {
    content: '> ';
    color: var(--cli-fg-dim);
}

.file-input-wrapper {
    position: relative;
    display: inline-block;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.file-input-button {
    display: inline-block;
    padding: 1vw 2vw;
    background: transparent;
    color: var(--cli-fg);
    border: 1px solid var(--cli-fg);
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s;
}

.file-input-button:hover {
    background: var(--cli-fg);
    color: var(--cli-bg);
}

.reader-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1vw;
    margin-bottom: 1.5vw;
    padding: 1.5vw;
    background: rgba(0, 255, 0, 0.02);
    border: 1px dashed var(--cli-border);
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.5vw;
}

.control-group label {
    color: var(--cli-fg-dim);
    font-size: 0.85rem;
    white-space: nowrap;
}

.control-group select,
.control-group input {
    padding: 0.4vw 0.8vw;
    border: 1px solid var(--cli-border);
    background: var(--cli-input-bg);
    color: var(--cli-fg);
    font-family: inherit;
    font-size: 0.85rem;
}

.control-group select:focus,
.control-group input:focus {
    outline: none;
    border-color: var(--cli-fg);
}

.control-group button {
    padding: 0.5vw 1vw;
    background: transparent;
    color: var(--cli-fg);
    border: 1px solid var(--cli-fg);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    transition: all 0.15s;
}

.control-group button:hover {
    background: var(--cli-fg);
    color: var(--cli-bg);
}

.btn.reset-btn {
    border-color: var(--cli-border);
    color: var(--cli-fg-dim);
}

.btn.reset-btn:hover {
    border-color: var(--cli-error);
    color: var(--cli-error);
    background: transparent;
}

.reader-content {
    display: flex;
    flex: 1;
    border: 1px solid var(--cli-border);
    overflow: hidden;
    background: var(--cli-bg);
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    min-height: 40vh;
}

.line-numbers {
    width: 4vw;
    min-width: 50px;
    background: rgba(0, 255, 0, 0.02);
    padding: 1vw 0.5vw;
    text-align: right;
    overflow: hidden;
    user-select: none;
    border-right: 1px solid var(--cli-border);
    color: var(--cli-fg-dim);
    font-size: 0.8rem;
}

.text-content {
    flex: 1;
    padding: 1vw;
    overflow-y: auto;
    white-space: pre;
    color: var(--cli-fg);
}

.text-content .content-line {
    min-height: 1.5em;
    padding: 0 0.4vw;
}

.text-content .content-line:hover {
    background: rgba(0, 255, 0, 0.05);
}

.message {
    padding: 1vw 1.5vw;
    margin-bottom: 1vw;
    text-align: left;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.message.fade-out {
    opacity: 0;
    margin-bottom: 0;
    padding: 0;
    border: none;
    height: 0;
    overflow: hidden;
}

.message .close-btn {
    position: absolute;
    top: 0.5vw;
    right: 1vw;
    cursor: pointer;
    color: inherit;
    background: none;
    border: none;
    font-size: 1rem;
}

.message.success {
    border: 1px dashed var(--cli-fg);
    color: var(--cli-fg);
}

.message.error {
    border: 1px dashed var(--cli-error);
    color: var(--cli-error);
}

.message.info {
    border: 1px dashed var(--cli-info);
    color: var(--cli-info);
}

.encoding-tip {
    background: rgba(255, 170, 0, 0.1);
    border: 1px dashed var(--cli-warning);
    padding: 0.8vw;
    margin-top: 0.8vw;
    font-size: 0.85rem;
    display: none;
    color: var(--cli-warning);
}

.reader-container.reading-mode .encoding-tip {
    display: block;
}

.reader-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1vw;
    padding: 0.8vw 1vw;
    background: rgba(0, 255, 0, 0.02);
    border: 1px dashed var(--cli-border);
    font-size: 0.85rem;
}

.file-info {
    display: flex;
    gap: 2vw;
    color: var(--cli-fg-dim);
}

.file-info span::before {
    content: '- ';
}

.navigation {
    display: flex;
    gap: 0.5vw;
}

.nav-btn {
    padding: 0.3vw 0.8vw;
    background: transparent;
    color: var(--cli-fg);
    border: 1px solid var(--cli-border);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    transition: all 0.15s;
}

.nav-btn:hover {
    border-color: var(--cli-fg);
}

#savePositionBtn {
    border-color: var(--cli-fg);
}

.loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    color: var(--cli-fg);
    padding: 2vw;
    z-index: 1000;
}

@media (max-width: 768px) {
    .reader-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-group {
        width: 100%;
    }
    
    .control-group select,
    .control-group input {
        flex: 1;
    }
    
    .reader-footer {
        flex-direction: column;
        gap: 1vw;
        align-items: stretch;
    }
    
    .navigation {
        justify-content: center;
    }
    
    .line-numbers {
        width: 10vw;
        min-width: 40px;
    }
}