:root {
    --bg-void: #030305;
    --plasma-cyan: #00F0FF;
    --hyper-violet: #7000FF;
    --warn-amber: #FFB000;
    --glass-surface: rgba(18,18,26,0.55);
    --glass-border: rgba(255,255,255,0.12);
    --glass-specular: rgba(255,255,255,0.25);
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --font-display: 'Syne', sans-serif;
    --font-sans: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { background:var(--bg-void); color:var(--text-primary); font-family:var(--font-sans); height:100vh; overflow:hidden; display:flex; flex-direction:column; }

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-surface);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    border-top: 1px solid var(--glass-specular);
    padding: 0.8rem 2rem;
    flex-shrink: 0;
    z-index: 100;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.nav-brand .logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FFFFFF 30%, var(--plasma-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-brand .logo-dot { color: var(--plasma-cyan); font-size: 1.6rem; margin-left: -4px; }
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}
.nav-menu li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.25s, border-bottom 0.25s;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
}
.nav-menu li a:hover {
    color: var(--plasma-cyan);
    border-bottom-color: var(--plasma-cyan);
}
.nav-menu li a.active {
    color: #FFFFFF;
    border-bottom-color: var(--plasma-cyan);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}
.telemetry-bar {
    display: flex;
    gap: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
}
.telemetry-bar span { color: var(--plasma-cyan); }

.avatar-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 8px 4px 4px;
    border-radius: 40px;
    transition: background 0.2s;
    user-select: none;
}
.avatar-wrapper:hover { background: rgba(255,255,255,0.06); }
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    background: #2a2d3a;
    color: #fff;
    transition: all 0.3s;
    flex-shrink: 0;
    border: 2px solid #4a4d5a;
}
.avatar-frame-bronze { border-color: #cd7f32; box-shadow: 0 0 14px rgba(205,127,50,0.3); }
.avatar-frame-silver { border-color: #c0c0c0; box-shadow: 0 0 14px rgba(192,192,192,0.3); }
.avatar-frame-gold { border-color: #ffd700; box-shadow: 0 0 24px rgba(255,215,0,0.4); }
.avatar-frame-diamond { border-color: #b9f2ff; box-shadow: 0 0 30px rgba(125,211,252,0.5); }
.avatar-username {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.avatar-caret { color: var(--text-secondary); font-size: 12px; margin-left: 2px; }
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--glass-surface);
    backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-top: 1px solid var(--glass-specular);
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.7);
    min-width: 220px;
    padding: 8px 0;
    z-index: 999;
}
.dropdown-menu.open { display: block; }
.dropdown-item {
    padding: 12px 18px;
    font-size: 14px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background 0.15s;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}
.dropdown-item:hover { background: rgba(255,255,255,0.06); }
.dropdown-item .icon { font-size: 16px; width: 24px; text-align: center; }
.dropdown-divider { height: 1px; background: var(--glass-border); margin: 4px 12px; }
.vip-badge {
    margin-left: auto;
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 12px;
    background: rgba(99,102,241,0.15);
    color: var(--plasma-cyan);
    white-space: nowrap;
    flex-shrink: 0;
}
.vip-badge.gold { background: rgba(255,215,0,0.15); color: #ffd700; }
.vip-badge.diamond { background: rgba(125,211,252,0.15); color: #7dd3fc; }
.vip-badge.bronze { background: rgba(205,127,50,0.15); color: #cd7f32; }
.vip-badge.silver { background: rgba(192,192,192,0.15); color: #c0c0c0; }
.vip-badge.none { background: rgba(255,255,255,0.05); color: var(--text-secondary); }

/* ===== 弹窗（登录/注册/激活） ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(3,3,5,0.85);
    backdrop-filter: blur(12px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}
.modal-overlay.open { display: flex; }
.modal-box {
    background: var(--glass-surface);
    backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-top: 1px solid var(--glass-specular);
    border-radius: 28px;
    padding: 36px 32px 32px;
    max-width: 400px;
    width: 92%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8), 0 0 40px rgba(0,240,255,0.05);
    position: relative;
    animation: slideUp 0.3s ease-out;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-box .close-btn {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.2s;
}
.modal-box .close-btn:hover { color: #fff; }
.modal-box h2 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, #FFFFFF 30%, var(--plasma-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
}
.modal-box .sub {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}
.modal-box input[type="text"],
.modal-box input[type="password"] {
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 15px;
    color: #fff;
    width: 100%;
    outline: none;
    transition: border 0.25s, box-shadow 0.25s;
    margin-bottom: 14px;
    backdrop-filter: blur(4px);
}
.modal-box input:focus {
    border-color: var(--plasma-cyan);
    box-shadow: 0 0 20px rgba(0,240,255,0.15);
}
.modal-box .btn-primary {
    background: linear-gradient(135deg, var(--plasma-cyan), var(--hyper-violet));
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    transition: opacity 0.25s, transform 0.2s;
    box-shadow: 0 4px 20px rgba(0,240,255,0.25);
}
.modal-box .btn-primary:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}
.modal-box .switch-link {
    text-align: center;
    margin-top: 18px;
    font-size: 14px;
    color: var(--text-secondary);
}
.modal-box .switch-link a {
    color: var(--plasma-cyan);
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px dotted transparent;
    transition: border 0.2s;
}
.modal-box .switch-link a:hover {
    border-bottom-color: var(--plasma-cyan);
}

.app-container {
    flex: 1;
    display: grid;
    grid-template-rows: auto 1fr;
    padding: 1.5rem 2rem;
    gap: 1.5rem;
    overflow: hidden;
}
.workstation {
    display: grid;
    grid-template-columns: 1fr 460px;
    gap: 1.5rem;
    min-height: 0;
    height: 100%;
}
.stage-viewport {
    background: var(--glass-surface);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-top: 1px solid var(--glass-specular);
    border-radius: 28px;
    position: relative;
    display: flex;
    overflow: hidden;
    box-shadow: inset 0 0 100px rgba(0,0,0,0.8);
    transition: border-color 0.4s;
    width: 100%;
    height: 100%;
}
.stage-viewport:hover { border-color: rgba(0, 240, 255, 0.4); }
.thumbnail-bar {
    width: 80px;
    flex-shrink: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    border-right: 1px solid var(--glass-border);
    padding: 12px 6px;
    display: none;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    z-index: 10;
    scrollbar-width: thin;
    scrollbar-color: rgba(0,240,255,0.3) transparent;
}
.thumbnail-bar::-webkit-scrollbar { width: 4px; }
.thumbnail-bar::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.3); border-radius: 4px; }
.thumbnail-item { flex:0 0 auto; width:68px; height:68px; border-radius:8px; overflow:hidden; border:2px solid transparent; cursor:pointer; transition:0.2s; position:relative; background:#111; }
.thumbnail-item.active { border-color:var(--plasma-cyan); box-shadow:0 0 12px rgba(0,240,255,0.4); }
.thumbnail-item img { width:100%; height:100%; object-fit:cover; display:block; }
.thumbnail-item .thumb-label { position:absolute; bottom:0; left:0; right:0; background:rgba(0,0,0,0.6); font-size:0.45rem; text-align:center; color:#ccc; padding:2px 0; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.preview-wrapper { flex:1; display:flex; justify-content:center; align-items:center; position:relative; overflow:hidden; }
#image-preview { width:100%; height:100%; object-fit:contain; padding:24px; display:none; filter:drop-shadow(0 20px 30px rgba(0,0,0,0.7)); }
.drop-portal { text-align:center; z-index:2; cursor:pointer; pointer-events:none; }
.portal-ring { width:90px; height:90px; margin:0 auto 1rem; border-radius:50%; border:1px solid rgba(0,240,255,0.4); display:flex; align-items:center; justify-content:center; background:radial-gradient(circle,rgba(0,240,255,0.1)0%,transparent70%); box-shadow:0 0 30px rgba(0,240,255,0.2); }
.portal-ring svg { width:36px; height:36px; stroke:var(--plasma-cyan); }
.btn-change-image { position:absolute; top:20px; right:20px; background:rgba(0,0,0,0.6); border:1px solid var(--glass-border); color:var(--plasma-cyan); padding:6px 14px; border-radius:12px; font-family:var(--font-mono); font-size:0.75rem; cursor:pointer; display:none; backdrop-filter:blur(10px); transition:0.3s; z-index:10; }
.btn-change-image:hover { background:var(--plasma-cyan); color:#000; }
.viewport-toolbar {
    position:absolute; bottom:20px; left:50%; transform:translateX(-50%);
    display:none; align-items:center; gap:8px;
    background:rgba(0,0,0,0.75); backdrop-filter:blur(16px); padding:6px 16px; border-radius:30px;
    border:1px solid var(--glass-border); z-index:20; pointer-events:auto;
    font-family:var(--font-mono); font-size:0.7rem;
}
.viewport-toolbar button { background:transparent; border:1px solid var(--glass-border); color:var(--text-secondary); padding:4px 12px; border-radius:16px; font-family:inherit; font-size:0.7rem; cursor:pointer; transition:0.2s; display:flex; align-items:center; gap:4px; white-space:nowrap; }
.viewport-toolbar button:hover:not(:disabled) { background:var(--plasma-cyan); color:#000; border-color:var(--plasma-cyan); }
.viewport-toolbar button:disabled { opacity:0.3; pointer-events:none; }
.viewport-toolbar .index-indicator { color:var(--plasma-cyan); padding:0 6px; min-width:60px; text-align:center; }
.viewport-toolbar .btn-primary { background:linear-gradient(135deg,var(--plasma-cyan),var(--hyper-violet)); color:#fff; border:none; font-weight:600; }
.viewport-toolbar .btn-primary:hover:not(:disabled) { box-shadow:0 0 20px rgba(0,240,255,0.4); }
.viewport-toolbar .btn-danger { background:rgba(255,0,0,0.15); border-color:rgba(255,0,0,0.3); color:#ff6b6b; }
.viewport-toolbar .btn-danger:hover:not(:disabled) { background:#ff6b6b; color:#000; }
.viewport-toolbar svg { width:14px; height:14px; fill:none; stroke:currentColor; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.control-deck {
    background:var(--glass-surface);
    backdrop-filter:blur(30px);
    border:1px solid var(--glass-border);
    border-top:1px solid var(--glass-specular);
    border-radius:28px;
    padding:1.2rem 1.5rem;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    overflow:hidden;
    height:100%;
}
.tab-nav { display:flex; gap:8px; background:rgba(0,0,0,0.4); padding:4px; border-radius:12px; border:1px solid var(--glass-border); margin-bottom:0.8rem; flex-shrink:0; }
.tab-btn { flex:1; padding:8px 12px; font-family:var(--font-mono); font-size:0.75rem; background:transparent; border:none; color:var(--text-secondary); border-radius:8px; cursor:pointer; transition:0.3s; text-align:center; }
.tab-btn.active { background:rgba(0,240,255,0.15); color:var(--plasma-cyan); border:1px solid rgba(0,240,255,0.3); font-weight:600; }
.tab-btn.warn-tab.active { background:rgba(255,176,0,0.15); color:var(--warn-amber); border-color:rgba(255,176,0,0.4); }
.tab-content-container { flex:1; min-height:0; overflow-y:auto; padding-right:6px; margin-bottom:0.8rem; }
.tab-content-container::-webkit-scrollbar { width:4px; }
.tab-content-container::-webkit-scrollbar-thumb { background:rgba(0,240,255,0.3); border-radius:4px; }
.tab-pane { display:none; flex-direction:column; gap:0.7rem; }
.tab-pane.active { display:flex; }
.preset-bar { display:flex; justify-content:space-between; align-items:center; background:rgba(0,0,0,0.3); padding:6px 12px; border-radius:10px; border:1px solid rgba(255,255,255,0.05); margin-bottom:0.2rem; }
.preset-title { font-family:var(--font-mono); font-size:0.7rem; color:var(--plasma-cyan); }
.preset-select { background:rgba(0,0,0,0.6); color:var(--plasma-cyan); border:1px solid var(--glass-border); border-radius:6px; padding:2px 8px; font-family:var(--font-mono); font-size:0.7rem; outline:none; }
.operator-card { background:rgba(255,255,255,0.02); border:1px solid rgba(255,255,255,0.06); border-radius:14px; padding:0.7rem 0.9rem; display:flex; flex-direction:column; gap:6px; }
.operator-card.heavy-attack { border-left:3px solid var(--warn-amber); background:rgba(255,176,0,0.02); }
.op-header { display:flex; justify-content:space-between; align-items:center; }
.op-title { font-size:0.82rem; font-weight:600; display:flex; align-items:center; gap:6px; }
.op-desc { font-family:var(--font-mono); font-size:0.65rem; color:var(--text-secondary); margin-top:2px; }
.tag-warn { font-size:0.58rem; background:rgba(255,176,0,0.2); color:var(--warn-amber); padding:1px 5px; border-radius:4px; border:1px solid rgba(255,176,0,0.4); }
.slider-panel { display:block; margin-top:4px; padding-top:6px; border-top:1px dashed rgba(255,255,255,0.08); }
.p1-slider-panel { display:none; }
.p1-slider-panel.show { display:block; }
.slider-container { display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:0.7rem; color:var(--text-secondary); margin-bottom:4px; }
.slider-container span:first-child { min-width:65px; }
.slider-container .val-text { min-width:42px; text-align:right; color:var(--plasma-cyan); }
input[type="range"] { flex:1; appearance:none; height:3px; border-radius:2px; background:rgba(255,255,255,0.1); outline:none; }
input[type="range"]::-webkit-slider-thumb { appearance:none; width:12px; height:12px; border-radius:50%; background:var(--plasma-cyan); cursor:pointer; box-shadow:0 0 8px var(--plasma-cyan); }
.cyber-select { background:rgba(0,0,0,0.5); color:var(--plasma-cyan); border:1px solid var(--glass-border); border-radius:6px; padding:2px 6px; font-family:var(--font-mono); font-size:0.68rem; flex:1; }
.cyber-switch { width:36px; height:18px; appearance:none; background:rgba(255,255,255,0.1); border-radius:10px; position:relative; outline:none; transition:0.3s; flex-shrink:0; cursor:pointer; }
.cyber-switch:checked { background:linear-gradient(90deg,var(--hyper-violet),var(--plasma-cyan)); box-shadow:0 0 8px rgba(0,240,255,0.4); }
.cyber-switch::before { content:''; position:absolute; width:12px; height:12px; border-radius:50%; top:3px; left:3px; background:#FFF; transition:0.3s; }
.cyber-switch:checked::before { left:21px; }
.btn-action { width:100%; padding:0.9rem; border:none; border-radius:14px; background:linear-gradient(135deg,var(--plasma-cyan),var(--hyper-violet)); color:#FFF; font-family:var(--font-display); font-weight:800; font-size:0.9rem; letter-spacing:0.05em; transition:all 0.3s; box-shadow:0 8px 20px rgba(0,240,255,0.25); margin-top:0.6rem; cursor:pointer; }
.btn-action:hover:not(:disabled) { transform:translateY(-2px); box-shadow:0 10px 25px rgba(0,240,255,0.4); }
.btn-action:disabled { opacity:0.4; transform:none; cursor:not-allowed; }
.log-terminal { font-family:var(--font-mono); font-size:0.68rem; background:rgba(0,0,0,0.5); border:1px solid rgba(255,255,255,0.05); border-radius:10px; padding:8px 10px; max-height:65px; overflow-y:auto; color:var(--text-secondary); margin-top:6px; }
.export-section { margin-top:0.2rem; padding-top:0.4rem; border-top:1px solid var(--glass-border); }
.exif-drop-zone { background:rgba(0,0,0,0.3); border:1px dashed rgba(255,255,255,0.15); border-radius:10px; padding:8px; text-align:center; font-family:var(--font-mono); font-size:0.68rem; color:var(--text-secondary); margin-top:6px; cursor:pointer; transition:0.2s; }
.exif-drop-zone:hover { border-color:var(--plasma-cyan); color:var(--plasma-cyan); }
.exif-status { font-size:0.65rem; color:var(--plasma-cyan); margin-top:2px; }

@media (max-width: 768px) {
    .navbar { flex-wrap: wrap; gap: 0.6rem; padding: 0.6rem 1rem; }
    .nav-menu { order: 3; flex-basis: 100%; justify-content: center; gap: 1rem; flex-wrap: wrap; }
    .nav-menu li a { font-size: 0.85rem; }
    .nav-actions .btn-login { padding: 0.3rem 1rem; font-size: 0.75rem; }
    .nav-brand .logo { font-size: 1.3rem; }
    .workstation { grid-template-columns: 1fr; height: auto; }
    .control-deck { height: auto; }
    .stage-viewport { height: 300px; }
}