/* ===== 基础变量（深色默认） ===== */
:root {
    --bg: #0d1117;
    --surface: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --danger: #f85149;
    --success: #3fb950;
    --warning: #d2991d;
    --radius: 12px;
    --radius-sm: 10px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --terminal-font-size: 14px;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', 'Menlo', 'Monaco', 'Consolas', 'Ubuntu Mono', 'DejaVu Sans Mono', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', 'Helvetica Neue', Arial, sans-serif;
}

/* 浅色主题 */
:root[data-theme="light"] {
    --bg: #ffffff;
    --surface: #f6f8fa;
    --border: #d0d7de;
    --text: #1f2328;
    --text-secondary: #656d76;
    --accent: #0969da;
    --accent-hover: #0550b2;
    --danger: #cf222e;
    --success: #1a7f37;
    --warning: #9a6700;
    --terminal-bg: #f6f8fa;
}

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

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    overscroll-behavior: none;
    touch-action: manipulation;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    -webkit-tap-highlight-color: transparent;
}

body:has(.terminal-page) {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100dvh;
    min-height: 100dvh;
    padding: 0;
    overflow: hidden;
}

/* ===== 登录卡片 ===== */
.login-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px 28px 24px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    animation: fadeIn 0.35s ease-out;
}
:root[data-theme="dark"] .login-card { box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}
.login-card .logo { text-align: center; margin-bottom: 8px; font-size: 40px; }
.login-card h1 { text-align: center; font-size: 22px; font-weight: 700; margin-bottom: 20px; }

.theme-btn-login {
    position: absolute;
    top: 12px; right: 12px;
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all 0.15s;
    z-index: 2;
}
.theme-btn-login:hover { background: var(--bg); border-color: var(--text-secondary); }

/* 表单元素 */
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
    text-transform: uppercase;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    font-family: var(--font-mono);
    transition: border-color 0.2s, box-shadow 0.2s;
    user-select: text;
    -webkit-user-select: text;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(88,166,255,0.12);
}
.form-group textarea { resize: vertical; min-height: 80px; font-size: 12px; line-height: 1.5; }
.form-row { display: flex; gap: 10px; }
.form-row .form-group { flex: 1; }
.form-row .form-group.port-group { flex: 0 0 90px; min-width: 70px; }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.01em;
    font-family: var(--font-sans);
}
.btn-primary { background: var(--accent); color: #fff; margin-top: 8px; }
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 4px 16px rgba(88,166,255,0.3); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; transform: none; }

/* 错误提示 */
.error-banner {
    background: rgba(248,81,73,0.1);
    border: 1px solid rgba(248,81,73,0.35);
    border-radius: var(--radius);
    padding: 10px 14px;
    font-size: 13px;
    color: var(--danger);
    margin-bottom: 14px;
    display: none;
    word-break: break-word;
}
.error-banner.show { display: block; animation: shake 0.4s ease-out; }
@keyframes shake {
    0%,100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* 认证切换 */
.toggle-section { margin-top: 4px; }
.toggle-link {
    font-size: 12px;
    color: var(--accent);
    cursor: pointer;
    background: none;
    border: none;
    font-family: var(--font-sans);
    text-decoration: none;
}
.toggle-link:hover { text-decoration: underline; color: var(--accent-hover); }
.key-section { display: none; }
.key-section.show { display: block; }

/* ===== 终端页面 ===== */
.terminal-page {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
    overscroll-behavior: none;
    border: 1px solid var(--border);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
    padding-bottom: max(4px, env(safe-area-inset-bottom));
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* 顶栏 */
.terminal-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    flex-shrink: 0;
    gap: 10px;
    flex-wrap: wrap;
}
.terminal-topbar .status { display: flex; align-items: center; gap: 7px; font-weight: 500; }
.status-dot {
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--warning);
    flex-shrink: 0;
    animation: pulse 1.5s infinite;
}
.status-dot.connected { background: var(--success); animation: none; }
.status-dot.disconnected { background: var(--danger); animation: none; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.terminal-topbar .info {
    color: var(--text-secondary);
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all 0.15s;
    white-space: nowrap;
}
.btn-sm:hover { border-color: var(--text-secondary); }
.btn-sm.danger {
    border-color: rgba(248,81,73,0.4);
    color: var(--danger);
}
.btn-sm.danger:hover { background: rgba(248,81,73,0.1); }
.btn-sm.active {
    border-color: var(--accent);
    background: rgba(88,166,255,0.16);
    color: var(--accent-hover);
    box-shadow: 0 0 0 3px rgba(88,166,255,0.08) inset;
}

/* ===== 辅助工具栏 ===== */
.toolbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 6px 10px;
    flex-shrink: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.toolbar-row {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
    width: max-content;
    min-width: 100%;
    margin-bottom: 4px;
}
.tool-btn {
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    white-space: nowrap;
    min-width: max-content;
    flex: 0 0 auto;
    text-align: center;
    font-family: var(--font-sans);
    transition: all 0.1s;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    overflow: visible;
    text-overflow: clip;
}
.tool-btn:active {
    transform: scale(0.95);
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.modifier.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.font-size-btn {
    min-width: 34px;
    font-family: var(--font-mono);
    font-weight: 800;
}
.tool-sep {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 2px;
}

/* 命令输入行 */
.cmd-input-row { display: flex; align-items: center; gap: 4px; }
.cmd-input {
    flex: 1;
    padding: 6px 10px;
    font-size: 13px;
    font-family: var(--font-mono);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    outline: none;
    transition: border-color 0.2s;
}
.cmd-input:focus { border-color: var(--accent); }
.cmd-send-btn {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background 0.15s;
    font-family: var(--font-sans);
}
.cmd-send-btn:hover { background: var(--accent-hover); }

/* ===== 终端容器 ===== */
.terminal-container {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: #0a0a0a;
    display: flex;
    flex-direction: column;
    min-height: 0;
    margin: 6px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overscroll-behavior: none;
    contain: layout paint;
    --terminal-scrollbar-size: 12px;
}
:root[data-theme="light"] .terminal-container { background: #f6f8fa; }
.terminal-container .wterm-wrapper {
    width: 100%;
    height: 100%;
    flex: 1 1 auto;
    min-height: 0;
    max-height: 100%;
    overflow-x: auto;
    overflow-y: auto;
    overscroll-behavior: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x pan-y;
    font-family: var(--font-mono);
    font-size: var(--terminal-font-size);
    padding: 12px calc(12px + var(--terminal-scrollbar-size)) 12px 12px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scrollbar-gutter: auto;
}
.terminal-container .wterm-wrapper::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}
.terminal-container .wterm-wrapper.wterm {
    border-radius: 0;
    box-shadow: none;
    padding: 12px calc(12px + var(--terminal-scrollbar-size)) 12px 12px;
    outline: none;
}
.terminal-container .wterm-wrapper.wterm.has-scrollback,
.terminal-container .wterm-wrapper.wterm.terminal-scrollable {
    overflow-y: auto;
}
.terminal-container .wterm-wrapper .term-grid {
    width: max-content;
    min-width: 100%;
    height: auto;
    min-height: 100%;
    overflow: visible;
    overscroll-behavior: none;
    overflow-anchor: none;
    user-select: text;
    -webkit-user-select: text;
}
.terminal-scrollbar {
    position: absolute;
    top: 8px;
    right: 4px;
    bottom: 8px;
    width: var(--terminal-scrollbar-size);
    z-index: 6;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.16s ease;
}
.terminal-container.scrollable .terminal-scrollbar,
.terminal-container:hover .terminal-scrollbar,
.terminal-scrollbar.dragging {
    opacity: 1;
}
.terminal-container.scrollable .terminal-scrollbar {
    pointer-events: auto;
}
.terminal-scrollbar-track {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 999px;
    background: rgba(139,148,158,0.12);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}
.terminal-scrollbar-thumb {
    position: absolute;
    left: 2px;
    right: 2px;
    top: 0;
    min-height: 28px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(88,166,255,0.95), rgba(88,166,255,0.52));
    box-shadow: 0 0 0 1px rgba(255,255,255,0.12) inset, 0 4px 12px rgba(0,0,0,0.28);
    transform: translateY(var(--terminal-scroll-thumb-top, 0px));
    height: var(--terminal-scroll-thumb-height, 100%);
    cursor: grab;
    touch-action: none;
}
.terminal-scrollbar-thumb:active,
.terminal-scrollbar.dragging .terminal-scrollbar-thumb {
    cursor: grabbing;
    background: linear-gradient(180deg, rgba(121,192,255,1), rgba(88,166,255,0.68));
}
:root[data-theme="light"] .terminal-scrollbar-track {
    background: rgba(101,109,118,0.14);
    box-shadow: inset 0 0 0 1px rgba(31,35,40,0.06);
}
:root[data-theme="light"] .terminal-scrollbar-thumb {
    box-shadow: 0 0 0 1px rgba(255,255,255,0.65) inset, 0 4px 12px rgba(31,35,40,0.18);
}

/* 连接状态覆盖层 */
.terminal-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13,17,23,0.85);
    z-index: 10;
    flex-direction: column;
    gap: 14px;
    transition: opacity 0.3s;
}
:root[data-theme="light"] .terminal-overlay { background: rgba(246,248,250,0.9); }
.terminal-overlay.hidden { opacity: 0; pointer-events: none; }
.terminal-overlay .spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--border); border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.terminal-overlay .msg { font-size: 14px; color: var(--text-secondary); }

/* ===== 文件管理器样式 ===== */
.file-manager {
    position: absolute;
    top: 52px; left: 16px;
    width: min(820px, 72vw);
    height: min(620px, 68vh);
    min-width: 460px;
    min-height: 360px;
    background: var(--surface);
    z-index: 20;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    transform: perspective(1200px) scale(0.78) translate3d(0, 42px, 0);
    transform-origin: top center;
    filter: blur(8px);
    box-shadow: 0 28px 90px rgba(0,0,0,0.38);
    transition:
        transform 0.42s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.28s ease,
        filter 0.32s ease,
        visibility 0.36s;
    will-change: transform, opacity, filter;
}
.file-manager.front { z-index: 45; }
.file-manager.front-switching,
.info-modal.front-switching {
    animation: panelFrontSwitch 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.file-manager.dragging,
.file-manager.resizing,
.info-modal.dragging,
.info-modal.resizing { transition: none; user-select: none; touch-action: none; }
.file-manager.layout-animating,
.info-modal.layout-animating {
    transition:
        left 0.46s cubic-bezier(0.2, 0.9, 0.18, 1),
        top 0.46s cubic-bezier(0.2, 0.9, 0.18, 1),
        width 0.46s cubic-bezier(0.2, 0.9, 0.18, 1),
        height 0.46s cubic-bezier(0.2, 0.9, 0.18, 1),
        border-radius 0.46s cubic-bezier(0.2, 0.9, 0.18, 1),
        transform 0.46s cubic-bezier(0.2, 0.9, 0.18, 1),
        opacity 0.28s ease,
        filter 0.32s ease;
}
.file-manager.open {
    visibility: visible;
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
}

@keyframes panelFrontSwitch {
    0% {
        transform: translate3d(0, 2px, 0) scale(0.996);
        filter: brightness(0.96);
        box-shadow: 0 18px 58px rgba(0,0,0,0.28);
    }
    100% {
        transform: translate3d(0, 0, 0) scale(1);
        filter: brightness(1);
        box-shadow: 0 28px 90px rgba(0,0,0,0.38);
    }
}

.panel-drag-handle {
    height: 24px;
    flex-shrink: 0;
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(255,255,255,0.035), transparent);
    opacity: 0.55;
    touch-action: none;
}
.panel-traffic-btn {
    width: 74px;
    height: 24px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    touch-action: none;
    transform: translateZ(0);
    transition: background 0.18s ease, transform 0.34s cubic-bezier(0.2, 0.9, 0.2, 1);
}
.panel-traffic-btn:hover { background: rgba(139,148,158,0.12); }
.panel-traffic-btn:active,
.panel-traffic-btn.pressing {
    background: color-mix(in srgb, var(--text-secondary) 14%, transparent);
    transform: scale(0.92);
}
.panel-traffic-btn span,
.panel-traffic-btn span::before,
.panel-traffic-btn span::after {
    display: block;
    width: 5.5px;
    height: 5.5px;
    border-radius: 50%;
    background: var(--text-secondary);
    box-shadow: 0 0 0 0 rgba(88,166,255,0);
    transition:
        transform 0.42s cubic-bezier(0.18, 1.2, 0.2, 1),
        opacity 0.24s ease,
        background-color 0.24s ease,
        box-shadow 0.42s ease;
}
.panel-traffic-btn span { position: relative; }
.panel-traffic-btn span::before,
.panel-traffic-btn span::after { content: ''; position: absolute; top: 0; }
.panel-traffic-btn span::before { left: -11.5px; }
.panel-traffic-btn span::after { left: 11.5px; }
.panel-traffic-btn:hover span,
.panel-traffic-btn:hover span::before,
.panel-traffic-btn:hover span::after {
    background: var(--text);
}
.panel-traffic-btn:active span,
.panel-traffic-btn.pressing span {
    transform: scale(0.74);
    background: var(--accent);
    box-shadow: 0 0 0 8px rgba(88,166,255,0.1);
}
.panel-traffic-btn:active span::before,
.panel-traffic-btn.pressing span::before {
    transform: translateX(4px) scale(1.18);
    background: var(--accent);
}
.panel-traffic-btn:active span::after,
.panel-traffic-btn.pressing span::after {
    transform: translateX(-4px) scale(1.18);
    background: var(--accent);
}
.panel-drag-handle:active,
.panel-titlebar:active { cursor: default; }
.panel-titlebar { cursor: default; user-select: none; }
.panel-layout-menu {
    position: fixed;
    z-index: 100;
    width: 210px;
    height: 74px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    background: color-mix(in srgb, var(--surface) 76%, transparent);
    box-shadow: 0 22px 70px rgba(0,0,0,0.38), 0 0 0 1px rgba(255,255,255,0.08) inset;
    backdrop-filter: blur(28px) saturate(1.65);
    -webkit-backdrop-filter: blur(28px) saturate(1.65);
    transform-origin: var(--menu-origin-x, 50%) -8px;
    animation: panelMenuIn 0.42s cubic-bezier(0.16, 1, 0.3, 1);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    will-change: transform, opacity, filter;
}
@keyframes panelMenuIn {
    0% { opacity: 0; transform: translateY(-12px) scale(0.72); filter: blur(10px); }
    54% { opacity: 1; transform: translateY(1px) scale(1.045); filter: blur(0); }
    78% { transform: translateY(-0.5px) scale(0.992); }
    100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
.panel-layout-menu button {
    width: 100%;
    height: 52px;
    border: 0;
    border-radius: var(--radius-lg);
    padding: 0;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateZ(0);
    transition: background 0.16s ease, transform 0.28s cubic-bezier(0.2, 0.9, 0.2, 1);
}
.panel-layout-menu button:hover,
.panel-layout-menu button:active { background: rgba(88,166,255,0.16); }
.panel-layout-menu button:active { transform: scale(0.9); }
.panel-layout-icon {
    width: 32px;
    height: 24px;
    border: 2px solid var(--text-secondary);
    border-radius: var(--radius-sm);
    display: block;
    position: relative;
    opacity: 0.95;
    overflow: hidden;
}
.panel-layout-icon.full { background: rgba(88,166,255,0.16); }
.panel-layout-icon.half::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 50%;
    border-top: 2px solid var(--accent);
    border-radius: 0 0 4px 4px;
    background: rgba(88,166,255,0.2);
}
.panel-layout-icon.left::after,
.panel-layout-icon.right::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 25%;
    border-inline-end: 2px solid var(--accent);
    background: rgba(88,166,255,0.2);
}
.panel-layout-icon.left::after { left: 0; border-radius: 4px 0 0 4px; }
.panel-layout-icon.right::after { right: 0; border-inline-end: 0; border-inline-start: 2px solid var(--accent); border-radius: 0 4px 4px 0; }
.panel-resize-handle {
    position: absolute;
    bottom: 6px;
    width: 28px;
    height: 28px;
    cursor: nwse-resize;
    z-index: 5;
    opacity: 0.5;
    touch-action: none;
}
.panel-resize-handle.right { right: 6px; }
.panel-resize-handle.left { left: 6px; cursor: nesw-resize; }
.panel-resize-handle::before {
    content: '';
    position: absolute;
    inset: 8px;
    border-right: 2px solid var(--text-secondary);
    border-bottom: 2px solid var(--text-secondary);
    border-radius: 2px;
}
.panel-resize-handle.left::before {
    border-right: none;
    border-left: 2px solid var(--text-secondary);
}

.fm-header { display: flex; align-items: center; gap: 6px; padding: 8px 12px; background: var(--bg); border-bottom: 1px solid var(--border); }
.fm-path-box { flex: 1; display: flex; gap: 4px; }
.fm-path-input { flex: 1; padding: 4px 10px; font-size: 13px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-family: var(--font-mono); }
.fm-search-input { flex: 1; padding: 6px 10px; font-size: 13px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-family: var(--font-sans); margin: 0 12px 4px; }
.fm-toolbar { display: flex; gap: 6px; padding: 6px 12px; background: var(--bg); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.fm-upload-label { cursor: pointer; }

.fm-list { flex: 1; overflow-y: auto; padding: 8px; }

.fm-item {
    display: flex; align-items: center; justify-content: space-between;
    gap: 8px; width: 100%; padding: 8px 12px;
    border-bottom: 1px solid var(--border); cursor: pointer;
    animation: fadeInItem 0.2s ease-out; transition: background 0.1s;
}
.fm-item:hover { background: var(--bg); }
@keyframes fadeInItem {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}
.fm-item span { flex: 1; pointer-events: none; }
.fm-item-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.fm-item-actions button { background: none; border: none; cursor: pointer; font-size: 16px; padding: 4px; line-height: 1; opacity: 0.8; transition: opacity 0.15s; }
.fm-item-actions button:hover { opacity: 1; }

/* 编辑器模态框 */
.fm-editor-modal {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--surface); display: flex; flex-direction: column; z-index: 25; padding: 12px;
    opacity: 0;
    transform: translate3d(0, 24px, 0) scale(0.975);
    filter: blur(8px);
    pointer-events: none;
    transition:
        opacity 0.24s ease,
        transform 0.34s cubic-bezier(0.16, 1, 0.3, 1),
        filter 0.26s ease;
    will-change: opacity, transform, filter;
}
.fm-editor-modal.open {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0);
    pointer-events: auto;
}
.fm-editor-modal.closing {
    opacity: 0;
    transform: translate3d(0, 18px, 0) scale(0.985);
    filter: blur(6px);
    pointer-events: none;
}
.fm-editor-header { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; font-weight: 700; min-width: 0; }
.fm-editor-header span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fm-editor-header-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.fm-editor-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 8px;
    margin-bottom: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-secondary);
}
.fm-editor-toolbar label { display: inline-flex; align-items: center; gap: 5px; }
.fm-editor-select {
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 12px;
    max-width: 150px;
}
.fm-editor-check input { accent-color: var(--accent); }
.fm-editor-status { margin-left: auto; font-family: var(--font-mono); color: var(--text-secondary); }
.fm-editor-code-shell {
    flex: 1;
    min-height: 0;
    display: flex;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg);
    overflow: hidden;
}
.fm-editor-main {
    position: relative;
    flex: 1;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface) 40%, transparent);
    box-shadow: inset 0 0 0 1px rgba(139,148,158,0.08);
}
.fm-editor-highlight,
.fm-editor-textarea {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.55;
    tab-size: 4;
    padding: 12px;
}
.fm-editor-highlight {
    position: absolute;
    inset: 0 auto auto 0;
    z-index: 1;
    min-width: 100%;
    min-height: 100%;
    width: 100%;
    margin: 0;
    pointer-events: none;
    color: var(--text);
    white-space: pre;
    overflow: visible;
    background: transparent;
    transform: translate3d(0, 0, 0);
    transform-origin: 0 0;
}
.fm-editor-main.wrap-enabled .fm-editor-highlight {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: normal;
}
.fm-editor-main:not(.wrap-enabled) .fm-editor-highlight {
    width: max-content;
    min-width: 100%;
}
.fm-editor-textarea {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    resize: none;
    overflow: auto;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: transparent;
    -webkit-text-fill-color: transparent;
    caret-color: var(--accent-hover);
    outline: none;
    white-space: pre-wrap;
    scrollbar-color: rgba(88,166,255,0.55) transparent;
}
.fm-editor-main:not(.wrap-enabled) .fm-editor-textarea {
    white-space: pre;
}
.fm-editor-textarea::selection {
    background: rgba(88,166,255,0.28);
    color: transparent;
    -webkit-text-fill-color: transparent;
}
.fm-editor-minimap {
    --minimap-view-top: 0%;
    --minimap-view-height: 100%;
    --minimap-scale: 0.22;
    --minimap-code-top: 0px;
    position: relative;
    width: 104px;
    flex: 0 0 104px;
    padding: 0;
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface) 66%, transparent);
    overflow: hidden;
    cursor: pointer;
    touch-action: none;
    transition: width 0.22s ease, flex-basis 0.22s ease, opacity 0.18s ease, margin 0.22s ease;
}
.fm-editor-minimap::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(90deg, transparent 0, transparent calc(100% - 18px), rgba(0,0,0,0.12));
    pointer-events: none;
}
.fm-editor-minimap::after {
    content: '';
    position: absolute;
    left: 3px;
    right: 3px;
    top: var(--minimap-view-top);
    height: var(--minimap-view-height);
    min-height: 18px;
    border: 1.5px solid rgba(88,166,255,0.62);
    border-radius: var(--radius-sm);
    background: rgba(88,166,255,0.14);
    box-shadow: 0 0 0 999px rgba(13,17,23,0.08), 0 6px 16px rgba(0,0,0,0.2);
    pointer-events: none;
    z-index: 3;
}
.fm-minimap-code {
    position: absolute;
    z-index: 2;
    top: var(--minimap-code-top);
    left: 0;
    width: calc(100% / var(--minimap-scale));
    min-width: calc(100% / var(--minimap-scale));
    min-height: calc(100% / var(--minimap-scale));
    margin: 0;
    padding: 12px 6px;
    border: 0;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.55;
    white-space: pre;
    pointer-events: none;
    transform: scale(var(--minimap-scale));
    transform-origin: 0 0;
    opacity: 0.92;
}
.fm-editor-modal.minimap-hidden .fm-editor-minimap {
    width: 0;
    flex-basis: 0;
    padding-inline: 0;
    margin-left: -10px;
    opacity: 0;
    pointer-events: none;
}
.fm-editor-modal.minimap-hidden .fm-editor-code-shell { gap: 0; }
.tok-comment { color: #8b949e; font-style: italic; }
.tok-keyword { color: #ff7b72; font-weight: 650; }
.tok-string { color: #a5d6ff; }
.tok-number,
.tok-literal { color: #79c0ff; }
.tok-function { color: #d2a8ff; }
.tok-tag { color: #7ee787; }
.tok-attr,
.tok-property { color: #79c0ff; }
.tok-variable,
.tok-type { color: #ffa657; }
.tok-operator { color: #ff7b72; }
.tok-punctuation { color: #8b949e; }
:root[data-theme="light"] .tok-comment { color: #6e7781; }
:root[data-theme="light"] .tok-keyword,
:root[data-theme="light"] .tok-operator { color: #cf222e; }
:root[data-theme="light"] .tok-string { color: #0a3069; }
:root[data-theme="light"] .tok-number,
:root[data-theme="light"] .tok-literal,
:root[data-theme="light"] .tok-attr,
:root[data-theme="light"] .tok-property { color: #0550ae; }
:root[data-theme="light"] .tok-function { color: #8250df; }
:root[data-theme="light"] .tok-tag { color: #116329; }
:root[data-theme="light"] .tok-variable,
:root[data-theme="light"] .tok-type { color: #953800; }
.fm-editor-actions { display: flex; gap: 8px; margin-top: 8px; justify-content: flex-end; }
.btn-secondary {
    background: var(--bg); border: 1px solid var(--border); color: var(--text);
    padding: 8px 16px; border-radius: var(--radius); cursor: pointer;
}

/* ===== 实时监控面板 ===== */
.info-modal {
    position: absolute;
    top: 52px; left: calc(100% - 500px);
    width: 480px; height: min(620px, 72vh); max-width: 95vw;
    min-width: 430px;
    min-height: 340px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    z-index: 30;
    display: none;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: perspective(1200px) scale(0.78) translate3d(0, -26px, 0);
    transform-origin: top right;
    filter: blur(8px);
    transition:
        transform 0.42s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.28s ease,
        filter 0.32s ease;
    will-change: transform, opacity, filter;
}
.info-modal.front { z-index: 46; }
.info-modal.open {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
}
.info-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px; background: var(--bg); border-bottom: 1px solid var(--border); font-weight: 600;
    position: sticky; top: 0; z-index: 2;
}
.info-modal-body { padding: 10px; overflow-y: auto; }

/* 环形进度条行 */
.doughnut-row { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.doughnut-row.two-col .doughnut-item { flex: 1 1 calc(50% - 10px); min-width: 140px; }
.doughnut-item.full-width { min-width: 100%; }
.doughnut-item {
    background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 12px 10px; flex: 1;
    display: flex; flex-direction: column; align-items: center;
}
.doughnut-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.doughnut-wrap { width: 100px; height: 100px; margin: 0 auto 6px; position: relative; display: flex; justify-content: center; }
.doughnut-text { font-size: 15px; font-weight: 700; margin-bottom: 4px; color: var(--text); }
.doughnut-sub { font-size: 11px; color: var(--text-secondary); margin-top: 4px; }
.disk-card-row { display: flex; flex-wrap: wrap; gap: 10px; width: 100%; }
.disk-card { flex: 1 1 calc(50% - 10px); min-width: 240px; flex-direction: row; align-items: center; justify-content: space-between; text-align: left; }
.disk-card-meta { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.disk-card .doughnut-wrap { width: 72px; height: 72px; margin: 0 0 0 12px; }
.disk-card .doughnut-label { margin-bottom: 4px; }

/* 小折线图行 */
.sparkline-row { display: flex; gap: 8px; margin-top: 8px; justify-content: center; }
.sparkline-row canvas, .line-canvas { flex: 1; height: 30px !important; max-width: 120px; }

/* IP 信息区块 */
.ip-section { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.ip-box {
    display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 8px 10px; font-family: var(--font-mono); font-size: 12px; gap: 8px;
}
.ip-box span { font-weight: 600; color: var(--text-secondary); min-width: 40px; }
.ip-box code { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.copy-ip-btn {
    background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer;
    padding: 2px 6px; font-size: 14px; color: var(--text); flex-shrink: 0; transition: background 0.15s;
}
.copy-ip-btn:hover { background: var(--surface); }

@media (prefers-reduced-motion: reduce) {
    .file-manager,
    .info-modal {
        transition: opacity 0.12s ease, visibility 0.12s ease;
        transform: none;
        filter: none;
    }
    .file-manager.open,
    .info-modal.open,
    .file-manager.front-switching,
    .info-modal.front-switching,
    .fm-editor-modal.open,
    .fm-editor-modal.closing {
        animation: none;
        transform: none;
        filter: none;
    }
}

/* ===== 响应式调整 ===== */
@media (max-width: 480px) {
    .login-card { padding: 24px 16px 18px; border-radius: 12px; }
    .login-card h1 { font-size: 19px; }
    .form-row { flex-direction: column; gap: 0; }
    .form-row .form-group.port-group { flex: 1; }
    .terminal-topbar { padding: 6px 10px; font-size: 11px; }
    .toolbar { padding: 5px 8px; }
    .toolbar-row { gap: 3px; }
    .tool-btn { padding: 3px 8px; font-size: 10px; min-width: max-content; max-width: none; }
    .tool-btn.combo,
    .tool-btn.modifier { max-width: none; }
    .font-size-btn { max-width: none; min-width: 30px; }
    .cmd-send-btn { padding: 4px 8px; font-size: 11px; }
    .file-manager,
    .info-modal {
        min-width: 260px;
        min-height: 240px;
        max-width: none;
    }
    .panel-resize-handle { width: 34px; height: 34px; }
    .fm-editor-minimap { width: 82px; flex-basis: 82px; }
}

@media (pointer: coarse), (max-width: 700px) {
    .file-manager,
    .info-modal {
        min-width: 260px;
        min-height: 240px;
        max-width: none;
    }
    .panel-resize-handle { width: 34px; height: 34px; }
    .fm-editor-code-shell { gap: 6px; padding: 6px; }
    .fm-editor-minimap { width: 76px; flex-basis: 76px; }
}