/* 工作台内容区 - 为固定导航栏留出空间 */
#workspaceContent {
    padding-top: 64px;  /* 与导航栏高度一致 */
}

/* ===== 顶部导航栏 ===== */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

[data-theme="dark"] .top-navbar {
    background: rgba(28, 28, 30, 0.72);
}

.top-navbar-content {
    max-width: 2200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.navbar-logo .logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.navbar-logo .logo-icon svg {
    width: 40px;
    height: 40px;
}

.navbar-logo .logo-text {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.top-navbar-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Navbar 按钮样式 */
.navbar-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-radius: 980px;
    font-size: 16px;
    font-weight: 400;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.navbar-btn:hover {
    background: var(--input-bg);
    color: var(--primary);
}

.navbar-btn svg {
    width: 18px;
    height: 18px;
}

.navbar-btn.user-btn.logged-in {
    background: rgba(0, 113, 227, 0.1);
    color: var(--primary);
}

/* 配额显示 */
.quota-display {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--input-bg);
    border: none;
    border-radius: 980px;
    font-size: 15px;
    color: var(--text-muted);
}

.quota-text {
    white-space: nowrap;
}

.quota-display.warning {
    color: var(--warning);
}

.quota-display.exhausted {
    color: var(--error);
}

/* 管理员 API 余额显示 */
.api-balance-display {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--input-bg);
    border-radius: 980px;
    font-size: 15px;
    white-space: nowrap;
}

.api-balance-display.show {
    display: flex !important;
}

.api-balance-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.api-balance-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.api-balance-value {
    font-weight: 600;
    color: #22c55e;
}

.api-balance-value.warning {
    color: #f59e0b;
}

.api-balance-value.error {
    color: #ef4444;
}

.api-balance-value.loading {
    color: var(--text-muted);
}

/* 页面内容需要留出导航栏空间 */
#workspacePage {
    padding-top: 64px;
}