/* OSS Community Editor - 优化版两栏布局 */

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

.editor-page {
    min-height: 100vh;
    background: #0f172a;
    display: flex;
    flex-direction: column;
}

.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    padding-right: 100px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* 顶部工具栏 */
.editor-toolbar {
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    margin-bottom: 20px;
}

.toolbar-left { display: flex; align-items: center; gap: 12px; }

.back-btn {
    display: flex; align-items: center; gap: 6px;
    color: #94a3b8; text-decoration: none; font-size: 14px; font-weight: 500;
    transition: color 0.2s;
}
.back-btn:hover { color: #e2e8f0; }
.back-btn svg { width: 18px; height: 18px; }

.toolbar-title {
    font-size: 16px; font-weight: 700;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}

.toolbar-right { display: flex; gap: 8px; }

.btn {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 8px; font-size: 13px;
    font-weight: 600; cursor: pointer; border: none; transition: all 0.2s;
}
.btn svg { width: 16px; height: 16px; }

.btn-outline {
    background: rgba(100, 116, 139, 0.2);
    color: #94a3b8; border: 1px solid rgba(100, 116, 139, 0.3);
}
.btn-outline:hover { background: rgba(100, 116, 139, 0.3); color: #e2e8f0; }

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white; box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover { box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4); transform: translateY(-1px); }

/* 标题输入 */
.editor-header {
    flex-shrink: 0;
    margin-bottom: 20px;
}

.title-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    color: #e2e8f0;
    font-size: 24px;
    font-weight: 700;
    transition: all 0.2s;
}
.title-input:focus {
    outline: none; border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
.title-input::placeholder { color: #64748b; font-weight: 400; }

/* 两栏主工作区 */
.editor-workspace {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 20px;
    flex: 1;
    min-height: calc(100vh - 280px);
}

/* 编辑器面板 */
.editor-panel {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(30, 41, 59, 0.4);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.panel-title {
    font-size: 12px; font-weight: 600; color: #94a3b8;
    text-transform: uppercase; letter-spacing: 0.05em;
}

.panel-actions { display: flex; gap: 4px; }

.md-btn {
    padding: 6px 8px;
    background: transparent; border: 1px solid transparent; border-radius: 6px;
    color: #64748b; cursor: pointer; transition: all 0.2s;
}
.md-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
    color: #e2e8f0;
}
.md-btn svg { width: 16px; height: 16px; }

.editor-textarea {
    flex: 1;
    width: 100%;
    padding: 18px;
    background: transparent;
    border: none;
    color: #e2e8f0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    line-height: 1.8;
    resize: none;
    overflow-y: auto;
    tab-size: 2;
    min-height: 600px;
}
.editor-textarea:focus { outline: none; }
.editor-textarea::placeholder { color: #475569; }

/* 右侧栏 */
.sidebar-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-section {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 16px;
}

.sidebar-title {
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.meta-select-large {
    width: 100%;
    padding: 8px 12px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 8px;
    color: #e2e8f0;
    font-size: 13px;
}
.meta-select-large:focus { outline: none; border-color: #6366f1; }

/* 标签管理 */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 14px;
    font-size: 12px;
    font-weight: 500;
    color: #c7d2fe;
}

.tag-remove {
    background: none; border: none; color: #94a3b8;
    cursor: pointer; font-size: 16px; line-height: 1; padding: 0;
    width: 16px; height: 16px; display: flex; align-items: center; justify-content: center;
}
.tag-remove:hover { color: #ef4444; }

.tag-input {
    width: 100%;
    padding: 6px 10px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 6px;
    color: #e2e8f0;
    font-size: 12px;
    margin-bottom: 10px;
}
.tag-input:focus { outline: none; border-color: #6366f1; }

.tags-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-suggestion {
    padding: 3px 10px;
    background: rgba(100, 116, 139, 0.15);
    border: 1px solid rgba(100, 116, 139, 0.2);
    border-radius: 12px;
    font-size: 11px;
    color: #94a3b8;
    cursor: pointer;
    transition: all 0.2s;
}
.tag-suggestion:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
    color: #c7d2fe;
}

/* Markdown 帮助 */
.markdown-help {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.help-item {
    font-size: 12px;
    color: #94a3b8;
    line-height: 1.5;
}

.help-item code {
    display: inline-block;
    background: rgba(30, 41, 59, 0.6);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: #f472b6;
    margin-right: 6px;
    min-width: 90px;
}

/* Toast 提示 */
.toast {
    position: fixed; bottom: 16px; right: 16px;
    padding: 10px 14px; border-radius: 8px;
    display: flex; align-items: center; gap: 6px;
    font-size: 13px; font-weight: 500;
    z-index: 10000; animation: toastSlideIn 0.3s ease-out;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}
@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}
.toast svg { width: 16px; height: 16px; }
.toast-success { background: rgba(34, 197, 94, 0.15); border: 1px solid rgba(34, 197, 94, 0.3); color: #86efac; }
.toast-error { background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.3); color: #fca5a5; }

/* 响应式 */
@media (max-width: 1024px) {
    .editor-container { padding: 20px; }
    .editor-workspace { grid-template-columns: 1fr; }
    .sidebar-panel {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .sidebar-section { flex: 1; min-width: 200px; }
}

@media (max-width: 768px) {
    .editor-page { margin-left: 0; }
    .editor-container { padding: 16px; padding-bottom: 80px; }
    .editor-toolbar {
        flex-direction: column;
        gap: 12px;
        padding: 12px;
    }
    .toolbar-left, .toolbar-right { width: 100%; justify-content: center; }
    .title-input { font-size: 18px; padding: 10px 14px; }
    .editor-workspace { min-height: auto; }
    .sidebar-panel { flex-direction: column; }
    .editor-textarea { min-height: 400px; }
}