*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--text-xs: 12px;--text-sm: 13px;--text-md: 14px;--text-lg: 16px;--sidebar-width: 200px;--sidebar-collapsed-width: 52px;--header-height: 44px;--field-label-width: 168px;--content-max-width: 960px;--font: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;--radius: 8px;--radius-sm: 4px}[data-theme=dark]{color-scheme:dark;--color-bg: #0f1117;--color-surface: #1a1d27;--color-surface-2: #22263a;--color-border: #2e3347;--color-border-hover: #4a4f70;--color-text: #e2e4f0;--color-text-muted: #9aa3c4;--color-text-faint: #6b7394;--color-primary: #4c6ef5;--color-primary-hover: #5c7fff;--color-success: #2dd4a0;--color-warning: #f5a623;--color-error: #f05070;--color-info: #60a8e0;--color-fallback: #b57cff;--color-fallback-strong: #9d5cf5;--color-on-primary: #fff;--color-code-bg: #0d1117;--color-code-text: #e6edf3}[data-theme=light]{color-scheme:light;--color-bg: #f4f6fb;--color-surface: #ffffff;--color-surface-2: #eef1f8;--color-border: #d8dde8;--color-border-hover: #b8c0d4;--color-text: #1a1f2e;--color-text-muted: #5c6478;--color-text-faint: #8b94a8;--color-primary: #3b5bdb;--color-primary-hover: #4c6ef5;--color-success: #0d9f6e;--color-warning: #d97706;--color-error: #dc3545;--color-info: #2563eb;--color-fallback: #7c3aed;--color-fallback-strong: #6d28d9;--color-on-primary: #fff;--color-code-bg: #f6f8fc;--color-code-text: #1e293b}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);font-size:var(--text-sm);line-height:1.45;height:100vh;overflow:hidden}.shell{display:flex;flex-direction:column;height:100vh}.shell-header{min-height:var(--header-height);height:auto;background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;gap:var(--space-3);padding:6px 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ease}.sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar-scroll{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column}.sidebar-section{flex-shrink:0}.sidebar-section-toggle{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);width:100%;padding:var(--space-3) var(--space-3) var(--space-1);border:none;background:transparent;cursor:pointer;text-align:left;color:var(--color-text-faint);font-size:var(--text-xs);font-weight:700;letter-spacing:.06em;text-transform:uppercase}.sidebar-section-toggle:hover{color:var(--color-text-muted);background:var(--color-surface-2)}.sidebar-section-toggle-label{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-section-chevron{font-size:9px;flex-shrink:0;opacity:.75}.sidebar-section-label--compact{font-size:var(--text-xs);font-weight:700;color:var(--color-text-faint);padding:var(--space-2) 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var(--space-1)}.sidebar-item:hover{background:var(--color-surface-2);color:var(--color-text)}.sidebar-item.active{background:var(--color-primary)22;color:var(--color-primary);font-weight:600}.sidebar-item-label{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar.collapsed .sidebar-item-label{display:none}.sidebar.collapsed .sidebar-item-short{display:inline;font-size:11px;font-weight:700}.sidebar-item-short{display:none}.sidebar-item-meta{margin-left:auto;display:flex;align-items:center;gap:var(--space-1);flex-shrink:0}.sidebar.collapsed .sidebar-item-meta{display:none}.sidebar-footer{margin-top:auto;padding:var(--space-2) var(--space-3);border-top:1px solid var(--color-border);font-size:var(--text-xs);color:var(--color-text-faint);white-space:nowrap;overflow:hidden;flex-shrink:0;background:var(--color-surface);position:sticky;bottom:0}.sidebar.collapsed .sidebar-footer{padding:var(--space-2) 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.ad-card-name{color:var(--color-text-muted)}.placement-list .ad-card.is-selected .ad-card-clickable .ad-card-header,.placement-list .ad-card.is-selected .ad-card-clickable .ad-card-subtitle-wrap{background:var(--color-primary)18}.placement-list .ad-card.is-selected .ad-card-status-bar{background:var(--color-primary)!important}.placement-workspace{display:grid;grid-template-columns:minmax(260px,36%) minmax(0,1fr);gap:var(--space-3);align-items:start}.placement-workspace--stacked{grid-template-columns:1fr}.placement-workspace--stacked .placement-master .placement-panel{max-height:min(42vh,360px)}.placement-workspace--stacked .placement-detail{max-height:none;position:static}.placement-master{min-width:0}.placement-master .placement-panel{max-height:calc(100vh - var(--header-height) - 100px);display:flex;flex-direction:column}.placement-master .placement-list{flex:1;min-height:0;overflow-y:auto;max-height:none}.placement-detail{min-width:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);max-height:calc(100vh - var(--header-height) - 100px);overflow-y:auto;position:sticky;top:var(--space-2)}.placement-detail-empty{display:flex;align-items:center;justify-content:center;min-height:200px;padding:var(--space-4);color:var(--color-text-muted);font-size:var(--text-sm);text-align:center}.placement-detail-header{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-border);background:var(--color-surface-2);position:sticky;top:0;z-index:2;flex-wrap:wrap}.placement-detail-title{font-weight:700;font-size:var(--text-sm);font-family:var(--font-mono);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.placement-detail-body{padding:var(--space-2) var(--space-3) var(--space-3)}.ad-card-subtitle-wrap{padding:0 var(--space-3) 6px 52px;border-bottom:1px solid var(--color-border)}.add-placement-format{margin-top:var(--space-3);padding-top:var(--space-2);border-top:1px solid var(--color-border)}.add-placement-format-value{margin-top:var(--space-1)}.ad-card-subtitle{font-size:var(--text-xs);color:var(--color-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.placement-list .ad-card.has-subtitle+.ad-card{border-top:none}.placement-list--master .ad-card-trailing .ad-card-actions,.placement-list--master .ad-card-chevron{display:none}.ad-card{padding:0}.ad-card-clickable{cursor:pointer;-webkit-user-select:none;user-select:none;outline:none}.ad-card-clickable:hover .ad-card-header,.ad-card-clickable:hover .ad-card-subtitle-wrap{background:var(--color-surface-2)}.ad-card-clickable:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px;border-radius:var(--radius-sm)}.ad-card-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);min-height:40px;padding:6px 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var(--color-border)}.field-row:last-child{border-bottom:none}.field-label-row{display:flex;align-items:flex-start;gap:var(--space-1);padding-top:5px}.field-label{font-size:var(--text-sm);font-weight:500;color:var(--color-text);line-height:1.3}.field-info-btn{flex-shrink:0;width:18px;height:18px;padding:0;border:none;border-radius:50%;background:var(--color-surface-2);color:var(--color-text-muted);font-size:11px;cursor:help;line-height:18px;text-align:center}.field-info-btn:hover,.field-info-btn.is-active{color:var(--color-primary);background:var(--color-primary)22}.field-info-panel{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-1);padding:var(--space-2);border-radius:var(--radius-sm);background:var(--color-surface-2);border:1px solid var(--color-border);border-left:2px solid var(--color-info);line-height:1.45}.field-description{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:3px}.field-warning{font-size:var(--text-xs);color:var(--color-warning);margin-top:3px;display:flex;align-items:center;gap:4px}.field-issue{font-size:var(--text-xs);margin-top:4px;padding:4px var(--space-2);border-radius:5px;background:color-mix(in srgb,currentColor 12%,transparent);border-left:2px solid currentColor;line-height:1.4}.field-issue-fix{color:var(--color-text-muted);margin-top:2px;font-size:var(--text-xs)}@media(max-width:900px){.field-row{grid-template-columns:1fr;gap:var(--space-1)}.field-label-row{padding-top:0}}.color-field{display:flex;align-items:center;gap:var(--space-2);width:100%}.color-field input[type=text]{flex:1;min-width:0}.color-field-picker{width:32px;height:32px;padding:2px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface-2);cursor:pointer;flex-shrink:0}.color-field-picker:disabled{opacity:.5;cursor:not-allowed}.color-field-picker::-webkit-color-swatch-wrapper{padding:2px}.color-field-picker::-webkit-color-swatch{border:none;border-radius:3px}input[type=text],input[type=number],select,textarea{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-family:var(--font);font-size:var(--text-sm);padding:6px 10px;min-height:32px;width:100%;outline:none;transition:border-color .15s}input[type=text]:focus,input[type=number]:focus,select:focus,textarea:focus{border-color:var(--color-primary)}input[type=text].error,input[type=number].error,select.error{border-color:var(--color-error)}.switch{position:relative;display:inline-flex;align-items:center;cursor:pointer;gap:var(--space-2);min-height:32px}.switch input{display:none}.switch-track{width:36px;height:20px;background:var(--color-border);border-radius:10px;position:relative;transition:background .2s;flex-shrink:0}.switch input:checked+.switch-track{background:var(--color-primary)}.switch-track:after{content:"";position:absolute;width:14px;height:14px;background:var(--color-on-primary);border-radius:50%;top:3px;left:3px;transition:transform .2s}.switch input:checked+.switch-track:after{transform:translate(16px)}.switch-label{font-size:var(--text-sm);color:var(--color-text)}.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:500;cursor:pointer;border:none;transition:background .15s,opacity .15s;min-height:32px}.btn-primary{background:var(--color-primary);color:var(--color-on-primary)}.btn-primary:hover{background:var(--color-primary-hover)}.btn-ghost{background:var(--color-surface-2);color:var(--color-text);border:1px solid var(--color-border)}.btn-ghost:hover{border-color:var(--color-border-hover)}.btn-danger{background:var(--color-error)22;color:var(--color-error);border:1px solid var(--color-error)44}.btn-danger:hover{background:var(--color-error)33}.btn-sm{padding:4px 10px;font-size:var(--text-xs);min-height:28px}.build-switcher{display:flex;gap:2px;background:var(--color-surface-2);border-radius:var(--radius-sm);padding:2px;border:1px solid var(--color-border);flex-shrink:0}.build-tab{padding:4px 10px;border-radius:var(--radius-sm);font-size:var(--text-xs);font-weight:600;cursor:pointer;border:none;background:transparent;color:var(--color-text-muted);transition:all .15s}.build-tab.active{background:var(--color-primary);color:var(--color-on-primary)}.build-tab-debug.active{background:#6366f1;color:#fff}.build-tab-release.active{background:#0d9f6e;color:#fff}[data-theme=light] .build-tab-debug.active{background:#4f46e5}[data-theme=light] 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