.skill-tree-shell{--skill-font-sans: "Avenir Next", "Trebuchet MS", sans-serif;--skill-font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;display:grid;gap:.9rem;border-radius:1.15rem;border:1px solid var(--skill-shell-border);background:var(--skill-shell-bg);padding:1rem}.skill-tree-shell-light{--skill-shell-border: #e6dece;--skill-shell-bg: radial-gradient( circle at 18% 10%, rgba(89, 146, 57, .15), transparent 38% ), radial-gradient( circle at 96% 2%, rgba(255, 224, 170, .22), transparent 34% ), linear-gradient(160deg, #f9f6ef 0%, #f2ebde 100%);--skill-kicker-color: #586575;--skill-title-color: #1d2939;--skill-count-border: #d8cdb8;--skill-count-bg: rgba(255, 253, 248, .9);--skill-count-color: #355f3c;--skill-progress-border: #d8cdb8;--skill-progress-bg: rgba(255, 253, 248, .84);--skill-progress-track: #e8dece;--skill-progress-fill: linear-gradient(90deg, #6ac88f 0%, #2f8a57 100%);--skill-progress-label: #4e5d6f;--skill-progress-value: #235138;--skill-progress-caption: #556374;--skill-progress-milestone-border: #7fbb93;--skill-progress-milestone-bg: rgba(219, 244, 227, .86);--skill-progress-milestone-text: #1f5a3b;--skill-flow-pill-border: #d3c7b2;--skill-flow-pill-bg: rgba(255, 251, 243, .9);--skill-flow-pill-value: #214f35;--skill-flow-pill-label: #4f6072;--skill-legend-bg: rgba(255, 250, 242, .9);--skill-legend-border: #d3c7b2;--skill-legend-title: #4d6076;--skill-legend-item: #2f4054;--skill-legend-trigger-bg: rgba(255, 251, 243, .92);--skill-legend-trigger-border: #d3c7b2;--skill-legend-trigger-text: #35506a;--skill-focus-edge: #2f8a57;--skill-focus-edge-gradient-start: #8feac4;--skill-focus-edge-gradient-end: #3ea977;--skill-focus-edge-glow: rgba(66, 178, 133, .5);--skill-focus-node-ring: rgba(47, 138, 87, .72);--skill-node-glint: rgba(255, 255, 255, .34);--skill-dim-opacity: .62;--skill-toolbar-border: #dfd4c1;--skill-toolbar-bg: linear-gradient( 180deg, rgba(255, 253, 248, .9) 0%, rgba(245, 236, 224, .96) 100% );--skill-label-color: #4e5d6f;--skill-input-border: #c9bb9f;--skill-input-bg: #fffdf8;--skill-input-color: #1f2b3a;--skill-input-placeholder: #778392;--skill-input-focus: rgba(31, 122, 74, .4);--skill-button-border: #2f8a57;--skill-button-bg: linear-gradient(180deg, #4aae74 0%, #2f8a58 100%);--skill-button-color: #f6fff9;--skill-flow-border: #d6cab5;--skill-flow-bg: #f0eeea;--skill-controls-border: #d0c2ac;--skill-controls-bg: #fffaf1;--skill-controls-text: #2a3748;--skill-controls-hover: #f0e6d3;--skill-controls-shadow: 0 10px 22px rgba(24, 39, 28, .14);--skill-attribution-bg: rgba(248, 240, 226, .85);--skill-attribution-text: #5b6878;--skill-message-border: #d8c9b3;--skill-message-bg: #fbf5ea;--skill-message-text: #2a3748;--skill-editor-border: #dccfba;--skill-editor-bg: linear-gradient( 180deg, rgba(255, 253, 248, .92) 0%, rgba(245, 235, 223, .95) 100% );--skill-editor-title: #1d2939;--skill-editor-subtitle: #556374;--skill-divider: #d9cdb9;--skill-editor-message-border: #d5c7b1;--skill-editor-message-bg: #fbf5ea;--skill-editor-message-text: #2d3c4f;--skill-secondary-button-border: #4ba570;--skill-secondary-button-bg: linear-gradient(180deg, #f5fbf7 0%, #e5f3eb 100%);--skill-secondary-button-color: #2f7f4f;--skill-link-row-border: #d8cbb7;--skill-link-row-bg: rgba(255, 253, 248, .78);--skill-link-name: #2d3f54;--skill-mini-button-border: #4ba570;--skill-mini-button-bg: linear-gradient(180deg, #f5fbf7 0%, #e5f3eb 100%);--skill-mini-button-color: #2f7f4f;--skill-mini-danger-border: #cf8a88;--skill-mini-danger-bg: linear-gradient(180deg, #fff1f0 0%, #f7dcda 100%);--skill-mini-danger-color: #7f2321;--skill-node-description: #4d5b6b;--skill-node-description-muted: #748394;--skill-node-difficulty-bg: rgba(41, 59, 80, .13);--skill-node-difficulty-text: #2a415a;--skill-node-difficulty-label: #617285;--skill-node-difficulty-dot: rgba(65, 83, 102, .28);--skill-node-difficulty-dot-filled: #d2a14a;--skill-node-shadow: 0 22px 50px rgba(30, 42, 30, .22), 0 6px 16px rgba(30, 42, 30, .12);--skill-node-meta-border: rgba(35, 48, 35, .14);--skill-node-meta-bg: rgba(255, 255, 255, .7);--skill-handle-fill: #2f8a57;--skill-handle-border: #ffffff}.skill-tree-shell-dark{--skill-shell-border: #2a3846;--skill-shell-bg: radial-gradient( circle at 18% 10%, rgba(87, 182, 125, .2), transparent 38% ), radial-gradient(circle at 96% 2%, rgba(133, 108, 64, .2), transparent 34%), linear-gradient(160deg, #0f171e 0%, #0b1218 100%);--skill-kicker-color: #9db0c2;--skill-title-color: #e8eff7;--skill-count-border: #395063;--skill-count-bg: rgba(19, 30, 39, .88);--skill-count-color: #9fd6b6;--skill-progress-border: #395063;--skill-progress-bg: rgba(19, 30, 39, .86);--skill-progress-track: #243645;--skill-progress-fill: linear-gradient(90deg, #71d096 0%, #47a56f 100%);--skill-progress-label: #c0cedc;--skill-progress-value: #a9dfc1;--skill-progress-caption: #9eb2c5;--skill-progress-milestone-border: #4e936f;--skill-progress-milestone-bg: rgba(31, 62, 47, .88);--skill-progress-milestone-text: #ade1c5;--skill-flow-pill-border: #3a5063;--skill-flow-pill-bg: rgba(17, 28, 37, .88);--skill-flow-pill-value: #aee2c5;--skill-flow-pill-label: #adc0d2;--skill-legend-bg: rgba(15, 25, 34, .9);--skill-legend-border: #3d5568;--skill-legend-title: #b6cbde;--skill-legend-item: #d7e5f3;--skill-legend-trigger-bg: rgba(17, 28, 37, .92);--skill-legend-trigger-border: #3d5568;--skill-legend-trigger-text: #b9d0e4;--skill-focus-edge: #71d096;--skill-focus-edge-gradient-start: #b0f4d3;--skill-focus-edge-gradient-end: #65cc9b;--skill-focus-edge-glow: rgba(113, 208, 150, .56);--skill-focus-node-ring: rgba(113, 208, 150, .75);--skill-node-glint: rgba(169, 214, 255, .2);--skill-dim-opacity: .56;--skill-toolbar-border: #314353;--skill-toolbar-bg: linear-gradient( 180deg, rgba(22, 34, 43, .86) 0%, rgba(15, 23, 31, .95) 100% );--skill-label-color: #c0cedc;--skill-input-border: #3a5063;--skill-input-bg: #111a22;--skill-input-color: #e9f1fa;--skill-input-placeholder: #8599ac;--skill-input-focus: rgba(87, 182, 125, .5);--skill-button-border: #47a56f;--skill-button-bg: linear-gradient(180deg, #56b67e 0%, #3a9b66 100%);--skill-button-color: #f4fff8;--skill-flow-border: #314253;--skill-flow-bg: #0d1117;--skill-controls-border: #395064;--skill-controls-bg: #15212b;--skill-controls-text: #d3deea;--skill-controls-hover: #1d2e3b;--skill-controls-shadow: 0 10px 24px rgba(0, 0, 0, .36);--skill-attribution-bg: rgba(15, 23, 31, .7);--skill-attribution-text: #9ab0c6;--skill-message-border: #3b5165;--skill-message-bg: rgba(20, 31, 39, .9);--skill-message-text: #d3e0ee;--skill-editor-border: #324557;--skill-editor-bg: linear-gradient( 180deg, rgba(22, 33, 43, .92) 0%, rgba(16, 25, 33, .97) 100% );--skill-editor-title: #e2edf8;--skill-editor-subtitle: #9eb2c5;--skill-divider: #3b4f61;--skill-editor-message-border: #41586d;--skill-editor-message-bg: rgba(22, 34, 45, .9);--skill-editor-message-text: #d3e1ee;--skill-secondary-button-border: #5cb885;--skill-secondary-button-bg: linear-gradient(180deg, #233a2f 0%, #1a2c23 100%);--skill-secondary-button-color: #a9dfc1;--skill-link-row-border: #43586b;--skill-link-row-bg: rgba(21, 33, 43, .82);--skill-link-name: #d9e8f7;--skill-mini-button-border: #5cb885;--skill-mini-button-bg: linear-gradient(180deg, #233a2f 0%, #1a2c23 100%);--skill-mini-button-color: #a9dfc1;--skill-mini-danger-border: #8f5653;--skill-mini-danger-bg: linear-gradient(180deg, #4b2a29 0%, #3d201f 100%);--skill-mini-danger-color: #ffd5d2;--skill-node-description: #c1d2e3;--skill-node-description-muted: #95aac0;--skill-node-difficulty-bg: rgba(236, 245, 255, .14);--skill-node-difficulty-text: #e3edf8;--skill-node-difficulty-label: #a8bbce;--skill-node-difficulty-dot: rgba(198, 216, 234, .22);--skill-node-difficulty-dot-filled: #edc875;--skill-node-shadow: 0 24px 55px rgba(0, 0, 0, .6), 0 8px 20px rgba(0, 0, 0, .35);--skill-node-meta-border: rgba(219, 232, 245, .18);--skill-node-meta-bg: rgba(255, 255, 255, .08);--skill-handle-fill: #56b67e;--skill-handle-border: #0d1117}.skill-tree-topbar{display:flex;align-items:baseline;justify-content:space-between;gap:.75rem}.skill-tree-topbar-meta{display:flex;align-items:center;justify-content:flex-end;gap:.45rem;flex-wrap:wrap}.skill-tree-kicker{margin:0;color:var(--skill-kicker-color);font-family:var(--skill-font-sans);font-size:.72rem;font-weight:500;letter-spacing:.07em;text-transform:uppercase}.skill-tree-title{margin:.15rem 0 0;color:var(--skill-title-color);font-family:var(--skill-font-serif);font-size:1.5rem;font-weight:700;line-height:1.08;letter-spacing:-.01em}.skill-tree-count{border:1px solid var(--skill-count-border);background:var(--skill-count-bg);border-radius:999px;padding:.32rem .75rem;color:var(--skill-count-color);font-family:var(--skill-font-sans);font-size:.75rem;font-weight:600;letter-spacing:.02em;text-transform:none;white-space:nowrap}.skill-tree-progress{border:1px solid var(--skill-progress-border);border-radius:.82rem;background:var(--skill-progress-bg);padding:.62rem .74rem;display:grid;gap:.4rem}.skill-tree-progress-header{display:flex;align-items:baseline;justify-content:space-between;gap:.6rem}.skill-tree-progress-label{margin:0;color:var(--skill-progress-label);font-family:var(--skill-font-sans);font-size:.74rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase}.skill-tree-progress-value{margin:0;color:var(--skill-progress-value);font-family:var(--skill-font-sans);font-size:.98rem;font-weight:700;letter-spacing:.01em;line-height:1}.skill-tree-progress-track{height:.5rem;border-radius:999px;background:var(--skill-progress-track);overflow:hidden}.skill-tree-progress-fill{display:block;height:100%;border-radius:inherit;background:var(--skill-progress-fill);transition:width .22s ease}.skill-tree-progress-caption{margin:0;color:var(--skill-progress-caption);font-family:var(--skill-font-sans);font-size:.75rem;line-height:1.25}.skill-tree-progress-milestone{margin:0;border:1px solid var(--skill-progress-milestone-border);border-radius:.54rem;background:var(--skill-progress-milestone-bg);color:var(--skill-progress-milestone-text);font-family:var(--skill-font-sans);font-size:.74rem;font-weight:700;letter-spacing:.01em;padding:.32rem .46rem;width:fit-content;animation:skill-milestone-pop .76s cubic-bezier(.2,.68,.21,1)}.skill-tree-toolbar{display:grid;gap:.65rem;border:1px solid var(--skill-toolbar-border);border-radius:.85rem;background:var(--skill-toolbar-bg);padding:.75rem}.skill-tree-toolbar-row{display:flex;flex-wrap:wrap;align-items:end;gap:.5rem}.skill-tree-toolbar-row-create{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;justify-content:initial}.skill-tree-toolbar-row-export{justify-content:flex-end}.skill-tree-add-skill-wrap{min-width:0}.skill-tree-toolbar-row-create-actions{display:flex;flex-wrap:wrap;align-items:end;justify-content:flex-end;gap:.5rem}.skill-tree-pro-upsell{border:1px solid var(--skill-editor-message-border);border-radius:.65rem;background:var(--skill-editor-message-bg);color:var(--skill-editor-message-text);font-family:var(--skill-font-sans);font-size:.78rem;line-height:1.4;padding:.52rem .66rem}.skill-tree-toggle{display:inline-flex;align-items:center;gap:.45rem;border:1px solid var(--skill-secondary-button-border);background:var(--skill-secondary-button-bg);color:var(--skill-secondary-button-color);border-radius:.6rem;padding:.43rem .58rem;font-family:var(--skill-font-sans);font-size:.76rem;font-weight:600;letter-spacing:.01em;text-transform:none;-webkit-user-select:none;user-select:none;min-height:42px}.skill-tree-toggle-input{width:14px;height:14px;accent-color:#2f8a57}.skill-tree-input-wrap{display:grid;gap:.3rem}.skill-tree-label{color:var(--skill-label-color);font-family:var(--skill-font-sans);font-size:.78rem;font-weight:500;letter-spacing:.02em;text-transform:none}.skill-tree-resource-list{margin:0;padding-left:1.1rem;list-style:disc;font-size:.8rem;line-height:1.5}.skill-tree-resource-list li{margin-bottom:.25rem}.skill-tree-resource-link{color:var(--skill-input-color);text-decoration:none}.skill-tree-resource-link:hover{color:#2f8a57;text-decoration:underline}.skill-tree-input,.skill-tree-textarea,.skill-tree-select{width:100%;border:1px solid var(--skill-input-border);border-radius:.65rem;background:var(--skill-input-bg);color:var(--skill-input-color);font-family:var(--skill-font-sans);font-size:.95rem;padding:.58rem .72rem}.skill-tree-input::placeholder,.skill-tree-textarea::placeholder{color:var(--skill-input-placeholder)}.skill-tree-textarea{resize:vertical;min-height:92px}.skill-tree-input:focus,.skill-tree-textarea:focus,.skill-tree-select:focus{outline:2px solid var(--skill-input-focus);outline-offset:1px}.skill-tree-button{border:1px solid var(--skill-button-border);border-radius:.65rem;background:var(--skill-button-bg);color:var(--skill-button-color);font-family:var(--skill-font-sans);font-size:.85rem;font-weight:700;letter-spacing:.01em;padding:.6rem .95rem;text-transform:none;cursor:pointer;transition:transform .16s ease,filter .16s ease;min-height:42px}.skill-tree-button:hover:not(:disabled){filter:brightness(1.05);transform:translateY(-1px)}.skill-tree-button:disabled{opacity:.55;cursor:not-allowed}.skill-tree-button-row{display:flex;gap:.5rem}.skill-tree-button-row .skill-tree-button{flex:1}.skill-tree-button-secondary{border:1px solid var(--skill-secondary-button-border);background:var(--skill-secondary-button-bg);color:var(--skill-secondary-button-color)}.skill-tree-button-danger{border:1px solid var(--skill-mini-danger-border);background:var(--skill-mini-danger-bg);color:var(--skill-mini-danger-color)}.skill-tree-link-hint{margin-top:-.1rem;color:var(--skill-editor-subtitle);font-family:var(--skill-font-sans);font-size:.78rem}.skill-tree-toolbar-demo .skill-tree-link-hint{align-self:center;margin-top:0}.skill-tree-workspace{display:grid;grid-template-columns:minmax(0,1fr) 0px;gap:.85rem;align-items:stretch;transition:grid-template-columns .22s ease}.skill-tree-workspace-editor-open{grid-template-columns:minmax(0,1fr) clamp(300px,30vw,360px)}.skill-tree-flow{position:relative;height:78vh;min-height:520px;border:1px solid var(--skill-flow-border);border-radius:.9rem;overflow:hidden;background:var(--skill-flow-bg)}.skill-tree-flow-progress-pill{position:absolute;top:.72rem;right:.72rem;width:fit-content;z-index:7;border:1px solid var(--skill-flow-pill-border);border-radius:999px;background:var(--skill-flow-pill-bg);box-shadow:0 6px 16px #11172129;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);padding:.28rem .52rem;display:inline-flex;align-items:baseline;gap:.36rem;pointer-events:none;opacity:1;transition:opacity .22s ease}.skill-tree-flow-progress-pill-hidden{opacity:0}.skill-tree-flow-legend-tooltip{position:absolute;right:.72rem;bottom:calc(1.24rem + 150px);z-index:8;pointer-events:auto}.skill-tree-flow-legend-trigger{border:1px solid var(--skill-legend-trigger-border);border-radius:999px;background:var(--skill-legend-trigger-bg);color:var(--skill-legend-trigger-text);box-shadow:0 6px 16px #0c121b29;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);font-family:var(--skill-font-sans);font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:.26rem .52rem;cursor:help}.skill-tree-flow-minimap-legend{position:absolute;right:0;bottom:calc(100% + .42rem);border:1px solid var(--skill-legend-border);border-radius:.6rem;background:var(--skill-legend-bg);box-shadow:0 8px 22px #0c121b2e;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);padding:.42rem .46rem;display:grid;gap:.32rem;width:196px;opacity:0;transform:translateY(6px) scale(.98);transform-origin:100% 100%;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s step-end;pointer-events:none}.skill-tree-flow-legend-tooltip:hover .skill-tree-flow-minimap-legend,.skill-tree-flow-legend-tooltip:focus-within .skill-tree-flow-minimap-legend{opacity:1;transform:translateY(0) scale(1);visibility:visible;transition:opacity .19s ease,transform .19s ease,visibility 0ms step-start}.skill-tree-flow-minimap-legend-title{margin:0;color:var(--skill-legend-title);font-family:var(--skill-font-sans);font-size:.62rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.skill-tree-flow-minimap-legend-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.22rem .38rem}.skill-tree-flow-minimap-legend-item{display:inline-flex;align-items:center;gap:.28rem;color:var(--skill-legend-item);font-family:var(--skill-font-sans);font-size:.62rem;font-weight:600;line-height:1.2;letter-spacing:.01em}.skill-tree-flow-minimap-legend-dot{width:8px;height:8px;border-radius:999px;box-shadow:0 0 0 1px #ffffff5c}.skill-tree-flow-progress-pill-value{color:var(--skill-flow-pill-value);font-family:var(--skill-font-sans);font-size:.76rem;line-height:1;font-weight:700;letter-spacing:.01em}.skill-tree-flow-progress-pill-label{color:var(--skill-flow-pill-label);font-family:var(--skill-font-sans);font-size:.68rem;line-height:1;font-weight:600;letter-spacing:.02em;text-transform:uppercase}.skill-tree-flow .react-flow{position:relative;z-index:3}.skill-tree-flow .react-flow__controls{border:1px solid var(--skill-controls-border);box-shadow:var(--skill-controls-shadow)}.skill-tree-flow .react-flow__controls-button{background:var(--skill-controls-bg);color:var(--skill-controls-text);border-bottom:1px solid var(--skill-controls-border)}.skill-tree-flow .react-flow__controls-button:hover{background:var(--skill-controls-hover)}.skill-tree-flow .react-flow__edges{z-index:1}.skill-tree-flow .react-flow__nodes{z-index:4}.skill-tree-flow .react-flow__node{transition:opacity .24s ease}.skill-tree-flow .react-flow__edge-path{stroke-linecap:round;stroke-linejoin:round;transition:opacity .24s ease,stroke .24s ease,stroke-width .22s ease}.skill-tree-flow .react-flow__attribution{background:var(--skill-attribution-bg);color:var(--skill-attribution-text);display:none}.skill-tree-flow .react-flow__node.selected .skill-node{box-shadow:0 0 0 2px var(--skill-handle-fill),var(--skill-node-shadow)}.skill-tree-flow .react-flow__node.skill-tree-node-dimmed{opacity:var(--skill-dim-opacity)}.skill-tree-flow .react-flow__node.skill-tree-node-focused{opacity:1}.skill-tree-flow .react-flow__node.skill-tree-node-focused.skill-tree-node-focus-anchor .skill-node{box-shadow:0 0 0 2px var(--skill-focus-node-ring),var(--skill-node-shadow)}.skill-tree-flow .react-flow__edge.skill-tree-edge-dimmed .react-flow__edge-path{opacity:var(--skill-dim-opacity)}.skill-tree-flow .react-flow__edge.skill-tree-edge-focused .react-flow__edge-path{stroke:var(--skill-focus-edge);stroke-width:5.5px;filter:drop-shadow(0 0 2px var(--skill-focus-edge-glow)) drop-shadow(0 0 8px var(--skill-focus-edge-glow));opacity:1}.skill-tree-flow .react-flow__node.skill-tree-node-status-pulse .skill-node{animation:skill-node-status-pulse .86s ease}.skill-tree-flow .react-flow__edge.skill-tree-edge-status-pulse .react-flow__edge-path{animation:skill-edge-status-pulse .78s ease}.skill-tree-editor{border:1px solid var(--skill-editor-border);border-radius:.9rem;background:var(--skill-editor-bg);padding:.85rem;display:grid;gap:.7rem;min-width:0}.skill-tree-editor-panel{overflow:hidden;opacity:0;transform:translate(14px);pointer-events:none;padding:0;border-color:transparent;transition:opacity .18s ease,transform .22s ease,padding .22s ease,border-color .22s ease}.skill-tree-editor-panel-open{opacity:1;transform:translate(0);pointer-events:auto;padding:.85rem;border-color:var(--skill-editor-border);overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;max-height:78vh;scrollbar-gutter:stable}.skill-tree-editor-header{display:flex;align-items:flex-end;justify-content:space-between;gap:.5rem}.skill-tree-editor-title{margin:0;color:var(--skill-editor-title);font-family:var(--skill-font-serif);font-size:1.1rem;line-height:1.1;letter-spacing:-.01em}.skill-tree-editor-close{flex-shrink:0;border:1px solid var(--skill-toolbar-border);border-radius:.5rem;background:transparent;color:var(--skill-editor-subtitle);font-family:var(--skill-font-sans);font-size:1.1rem;line-height:1;padding:.35rem .6rem;cursor:pointer;transition:background-color .14s ease,color .14s ease,border-color .14s ease}.skill-tree-editor-close:hover{background:var(--skill-mini-danger-bg);color:var(--skill-mini-danger-color);border-color:var(--skill-mini-danger-border)}.skill-tree-editor-section{margin:0;color:var(--skill-editor-title);font-family:var(--skill-font-serif);font-size:.98rem;line-height:1.1;letter-spacing:-.01em}.skill-tree-editor-subtitle{margin:0;color:var(--skill-editor-subtitle);font-family:var(--skill-font-sans);font-size:.8rem;line-height:1.4}.skill-tree-divider{height:1px;background:var(--skill-divider)}.skill-tree-editor-message{margin:0;border:1px solid var(--skill-editor-message-border);border-radius:.55rem;background:var(--skill-editor-message-bg);color:var(--skill-editor-message-text);font-family:var(--skill-font-sans);font-size:.78rem;padding:.45rem .55rem}.skill-tree-link-list{display:grid;gap:.45rem}.skill-tree-link-row{border:1px solid var(--skill-link-row-border);background:var(--skill-link-row-bg);border-radius:.6rem;padding:.55rem;display:grid;gap:.45rem}.skill-tree-link-name{margin:0;color:var(--skill-link-name);font-family:var(--skill-font-sans);font-size:.82rem;font-weight:700}.skill-tree-link-controls{display:grid;gap:.4rem}.skill-tree-select-compact{font-size:.82rem;padding:.44rem .56rem}.skill-tree-inline-buttons{display:flex;gap:.4rem}.skill-tree-mini-button{border:1px solid var(--skill-mini-button-border);border-radius:.5rem;background:var(--skill-mini-button-bg);color:var(--skill-mini-button-color);font-family:var(--skill-font-sans);font-size:.72rem;font-weight:700;letter-spacing:.01em;text-transform:none;padding:.34rem .5rem;cursor:pointer}.skill-tree-mini-button:hover:not(:disabled){filter:brightness(1.08)}.skill-tree-mini-button:disabled{opacity:.55;cursor:not-allowed}.skill-tree-mini-button-danger{border:1px solid var(--skill-mini-danger-border);background:var(--skill-mini-danger-bg);color:var(--skill-mini-danger-color)}.skill-node{position:relative;min-width:360px;border-radius:1.35rem;border:3px solid transparent;box-shadow:var(--skill-node-shadow);font-family:var(--skill-font-sans);padding:1.5rem 1.6rem 1.35rem;opacity:1;overflow:hidden;transform-style:preserve-3d;will-change:transform;transition:transform .22s cubic-bezier(.22,.61,.36,1),filter .22s ease,box-shadow .22s ease}.skill-node:before{content:"";position:absolute;top:-36%;left:-24%;width:72%;height:72%;border-radius:40%;background:radial-gradient(circle,var(--skill-node-glint) 0%,rgba(255,255,255,0) 72%);opacity:0;transform:translate3d(-12px,-8px,0);transition:opacity .22s ease,transform .26s ease;pointer-events:none}.skill-node:hover{transform:perspective(1200px) translateY(-10px) rotateX(3deg) rotateY(-1.8deg);box-shadow:0 32px 65px #1e2a1e47,0 10px 24px #1e2a1e29}.skill-node:hover:before{opacity:1;transform:translateZ(0)}.skill-node-label{margin:0;font-size:1.35rem;font-weight:900;letter-spacing:-.025em;line-height:1.1}.skill-node-description{margin:.4rem 0 0;color:var(--skill-node-description);font-size:.88rem;line-height:1.45;max-width:320px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.skill-node-description-empty{color:var(--skill-node-description-muted)}.skill-node-resources{margin-top:.32rem;display:flex;flex-direction:column;gap:.18rem}.skill-node-resource-link{display:inline-flex;align-items:center;gap:.28rem;font-size:.6rem;color:var(--skill-node-description);text-decoration:none;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.skill-node-resource-link:hover{color:#2f8a57;text-decoration:underline}.skill-node-resource-link span{overflow:hidden;text-overflow:ellipsis}.skill-node-resource-more{font-size:.55rem;color:var(--skill-node-description-muted)}.skill-node-chip-stack{margin-top:.36rem;display:grid;justify-items:start;gap:.24rem}.skill-node-meta{margin-top:0;display:inline-flex;align-items:center;gap:.35rem;border-radius:999px;border:1px solid var(--skill-node-meta-border);background:var(--skill-node-meta-bg);padding:.18rem .46rem .18rem .22rem;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:none}.skill-node-badge{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:999px}.skill-node-handle{width:14px!important;height:14px!important;background:var(--skill-handle-fill)!important;border:3px solid var(--skill-handle-border)!important}.skill-node-locked{border-color:#7a95b0;background:#f7f9fc;color:#1e2d3e}.skill-node-available{border-color:#c99510;background:#fffdf4;color:#3d2c08}.skill-node-started{border-color:#d47200;background:#fffbf4;color:#3d2004}.skill-node-completed-not-yet-unlocked{border-color:#1e9e99;background:#f3fffd;color:#083330}.skill-node-completed{border-color:#1e9a3c;background:#f4fef6;color:#082d12}.skill-node-badge-locked{border:1px solid #8392a4;background:#dbe4ec;color:#405062}.skill-node-badge-available{border:1px solid #c9ab57;background:#f3e3aa;color:#694f00}.skill-node-badge-started{border:1px solid #b99b45;background:#eedb9f;color:#5f490a}.skill-node-badge-completed-not-yet-unlocked{border:1px solid #6b9d98;background:#c6e2df;color:#1b4a47}.skill-node-badge-completed{border:1px solid #4f9253;background:#9bcc8f;color:#1f3e22}.skill-node-tone-locked{color:#4e5d72}.skill-node-tone-available{color:#776018}.skill-node-tone-started{color:#7a631f}.skill-node-tone-completed-not-yet-unlocked{color:#2a6864}.skill-node-tone-completed{color:#2f5634}.skill-node-difficulty-row{margin-top:0;display:flex;align-items:center;gap:.34rem;border-radius:999px;background:var(--skill-node-difficulty-bg);color:var(--skill-node-difficulty-text);border:1px solid var(--skill-node-meta-border);padding:.12rem .38rem .14rem;font-family:var(--skill-font-sans);width:fit-content}.skill-node-difficulty-label{color:var(--skill-node-difficulty-label);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;line-height:1}.skill-node-difficulty-meter{display:inline-flex;align-items:center;gap:.16rem}.skill-node-difficulty-dot{width:9px;height:9px;border-radius:999px;background:var(--skill-node-difficulty-dot)}.skill-node-difficulty-dot-filled{background:var(--skill-node-difficulty-dot-filled)}.skill-node-advance-button{margin-top:.7rem;width:100%;border:2px solid var(--skill-mini-button-border);border-radius:.75rem;background:var(--skill-mini-button-bg);color:var(--skill-mini-button-color);font-family:var(--skill-font-sans);font-size:.95rem;font-weight:900;letter-spacing:.01em;padding:.78rem 1rem;cursor:pointer}.skill-node-advance-button:hover{filter:brightness(1.08)}.skill-node-advance-button:disabled{opacity:.72;cursor:default;filter:none}.skill-node-accent{position:absolute;top:0;left:0;right:0;height:9px;border-radius:1.35rem 1.35rem 0 0}.skill-node-accent-locked{background:linear-gradient(90deg,#5a7d9e,#8aacc8,#5a7d9e)}.skill-node-accent-available{background:linear-gradient(90deg,#c99510,#f5c030,#c99510)}.skill-node-accent-started{background:linear-gradient(90deg,#d47200,#f5a020,#d47200)}.skill-node-accent-completed-not-yet{background:linear-gradient(90deg,#1e9e99,#3dccc7,#1e9e99)}.skill-node-accent-completed{background:linear-gradient(90deg,#1e9a3c,#38c860,#1e9a3c)}.skill-tree-shell-dark .skill-node-locked{border-color:#5a7d9e;background:#141e2a;color:#d4e6f8}.skill-tree-shell-dark .skill-node-available{border-color:#c99510;background:#1a1500;color:#fff0b8}.skill-tree-shell-dark .skill-node-started{border-color:#d47200;background:#1e1000;color:#ffe8b0}.skill-tree-shell-dark .skill-node-completed-not-yet-unlocked{border-color:#1e9e99;background:#001d1c;color:#ccf8f5}.skill-tree-shell-dark .skill-node-completed{border-color:#1e9a3c;background:#001d08;color:#c8f8d4}.skill-tree-shell-dark .skill-node-badge-locked{border:1px solid #8198b2;background:#465a70;color:#e5effb}.skill-tree-shell-dark .skill-node-badge-available{border:1px solid #dbc46f;background:#756021;color:#fff0b4}.skill-tree-shell-dark .skill-node-badge-started{border:1px solid #d7ba72;background:#7d6728;color:#fff0bf}.skill-tree-shell-dark .skill-node-badge-completed-not-yet-unlocked{border:1px solid #85beb7;background:#2e6b66;color:#ebfffb}.skill-tree-shell-dark .skill-node-badge-completed{border:1px solid #85c789;background:#4c744e;color:#effcef}.skill-tree-shell-dark .skill-node-tone-locked{color:#b8c8da}.skill-tree-shell-dark .skill-node-tone-available{color:#f0d985}.skill-tree-shell-dark .skill-node-tone-started{color:#f3dc8d}.skill-tree-shell-dark .skill-node-tone-completed-not-yet-unlocked{color:#b4ede6}.skill-tree-shell-dark .skill-node-tone-completed{color:#bfdfa6}@keyframes skill-node-status-pulse{0%{transform:scale(1);filter:saturate(1);box-shadow:var(--skill-node-shadow)}35%{transform:scale(1.03);filter:saturate(1.18);box-shadow:0 0 0 2px var(--skill-focus-node-ring),var(--skill-node-shadow)}to{transform:scale(1);filter:saturate(1);box-shadow:var(--skill-node-shadow)}}@keyframes skill-edge-status-pulse{0%{stroke-width:4;opacity:1}40%{stroke-width:6.5;opacity:.96}to{stroke-width:4;opacity:1}}@keyframes skill-milestone-pop{0%{transform:translateY(5px) scale(.94);opacity:0}45%{transform:translateY(0) scale(1.02);opacity:1}to{transform:translateY(0) scale(1);opacity:1}}.skill-tree-message{border:1px solid var(--skill-message-border, #ccd6e2);border-radius:.65rem;background:var(--skill-message-bg, #f8fbff);color:var(--skill-message-text, #1f2833);font-family:var(--skill-font-sans);padding:.8rem .9rem}.skill-tree-message-error{border-color:#f2bcbc;background:#fff3f3;color:#861c1c}@media (max-width: 1080px){.skill-tree-workspace-editor-open{grid-template-columns:1fr}.react-flow__minimap{transform-origin:bottom right;transform:scale(.6)}.skill-tree-flow-progress-pill,.skill-tree-flow-legend-tooltip{display:none}.skill-tree-editor-panel{transform:translateY(8px)}.skill-tree-editor-panel-open{transform:translateY(0)}}@media (max-width: 880px){.skill-tree-toolbar-row-create{grid-template-columns:1fr}.skill-tree-toolbar-row-create-actions{justify-content:flex-start}.skill-tree-add-skill-wrap{min-width:0;width:100%}.skill-tree-topbar-meta{justify-content:flex-start}.skill-tree-flow{height:70vh;min-height:400px}}.landing-root{--landing-bg: #f9f6ef;--landing-glow-left: rgba(199, 230, 205, .4);--landing-glow-right: rgba(255, 233, 190, .3);--landing-border: #e8e0d2;--landing-text: #1d2939;--landing-muted: #526070;--landing-note: #76808d;--landing-accent: #2f8a57;--landing-accent-strong: #256f45;--landing-accent-soft: rgba(47, 138, 87, .13);--landing-accent-soft-border: rgba(47, 138, 87, .34);--landing-secondary-hover: rgba(255, 255, 255, .7);--landing-button-shadow: 0 10px 24px rgba(30, 96, 59, .24);margin:-1rem;overflow-x:hidden;background:radial-gradient(circle at 15% 0%,var(--landing-glow-left),transparent 40%),radial-gradient(circle at 90% 0%,var(--landing-glow-right),transparent 35%),var(--landing-bg);color:var(--landing-text);transition:background-color .18s ease}:where(.dark,.chakra-theme.dark) .landing-root{--landing-bg: #0f171e;--landing-glow-left: rgba(57, 112, 82, .18);--landing-glow-right: rgba(133, 108, 64, .16);--landing-border: #2a3846;--landing-text: #e8eff7;--landing-muted: #a9bbce;--landing-note: #91a3b5;--landing-accent: #47a56f;--landing-accent-strong: #5cb885;--landing-accent-soft: rgba(87, 182, 125, .2);--landing-accent-soft-border: rgba(94, 194, 134, .46);--landing-secondary-hover: 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var(--landing-accent-soft-border);color:var(--landing-accent-strong);font-family:Avenir Next,Trebuchet MS,sans-serif;font-weight:600;border-radius:12px;transition:background-color .16s ease,border-color .16s ease,box-shadow .18s ease,transform .16s ease}.landing-secondary-button:hover{background:var(--landing-secondary-hover);border-color:var(--landing-accent-soft-border);box-shadow:var(--landing-button-shadow);transform:translateY(-1px)}.landing-primary-button:active,.landing-secondary-button:active{transform:translateY(0)}.landing-canvas-section{border-top:1px solid var(--landing-border);border-bottom:1px solid var(--landing-border)}.landing-canvas-section .skill-tree-shell{border:none!important;border-radius:0!important;padding:1rem 1.5rem 0!important;height:calc(100vh - 66px);display:flex!important;flex-direction:column!important}.landing-canvas-section .skill-tree-workspace{flex:1 1 0;min-height:0;overflow:hidden;grid-template-rows:1fr!important}.landing-canvas-section .skill-tree-flow{height:100%!important;min-height:0!important;border-radius:0!important;border-left:none!important;border-right:none!important;border-bottom:none!important;border-top:1px solid var(--skill-flow-border)!important}.landing-canvas-section .skill-tree-editor-panel-open{max-height:calc(100vh - 206px)}.landing-features-section{padding:4rem 1rem}.feature-card{background:#fffdf899;border:1px solid var(--landing-border);border-radius:16px;padding:1.2rem;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}:where(.dark,.chakra-theme.dark) .feature-card{background:#141f27b3}.feature-card:hover{border-color:var(--landing-accent-soft-border);box-shadow:0 14px 42px #1b2a1f14;transform:translateY(-2px)}.feature-title{font-family:Iowan Old Style,Palatino Linotype,Book Antiqua,serif;font-size:1.2rem;letter-spacing:-.02em;margin-bottom:.35rem;color:var(--landing-text)}.feature-copy{color:var(--landing-muted);font-family:Avenir Next,Trebuchet MS,sans-serif;font-size:.9rem;line-height:1.55}.fade-up{animation:fadeUp .7s ease both}.delay-1{animation-delay:.12s}.delay-2{animation-delay:.22s}.delay-3{animation-delay:.3s}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 48rem){.landing-hero-section{padding:4rem 1.25rem 3.5rem}.landing-title{letter-spacing:-.03em;line-height:.95}.landing-subtitle{line-height:1.55}.landing-canvas-section .skill-tree-shell{padding:.75rem 1rem 0!important;height:calc(100vh - 60px)}.landing-features-section{padding:3rem 1rem}}@media (prefers-reduced-motion: reduce){.fade-up,.landing-primary-button,.landing-secondary-button,.feature-card{animation:none!important;transition:none!important;transform:none!important}}