:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#201913;background:radial-gradient(circle at 0 0,#e9be7361,#0000 28%),radial-gradient(circle at 100% 100%,#125a492e,#0000 30%),#f4efe5;font-family:Segoe UI,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}body.modal-open{overflow:hidden}button{color:#fffaf4;font:inherit;cursor:pointer;background:#1c6b57;border:0;border-radius:999px;padding:.75rem 1.1rem;transition:transform .16s,opacity .16s}button:hover{opacity:.92;transform:translateY(-1px)}button:disabled{opacity:.45;cursor:not-allowed;transform:none}.ghost-button{color:#195143;background:#1c6b5714}.control-disabled{opacity:.45}.control-disabled:hover{opacity:.45;transform:none}.control-disabled,.control-disabled:hover,.control-disabled:focus{cursor:not-allowed}.help-tooltip{color:#fffaf4;text-align:left;white-space:normal;z-index:80;pointer-events:none;background:#201913f5;border-radius:12px;max-width:min(320px,100vw - 24px);padding:8px 10px;font-size:.82rem;line-height:1.35;position:fixed;top:0;left:0;box-shadow:0 16px 32px #2019132e}.app-shell{grid-template-columns:minmax(320px,760px) minmax(320px,1fr);gap:24px;width:min(1380px,100vw - 32px);margin:0 auto;padding:24px 0 40px;display:grid}.page-topbar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(#f4efe5f5,#f4efe5c2);justify-content:space-between;align-items:center;gap:24px;width:min(1380px,100vw - 32px);margin:0 auto;padding:8px 0 0;display:flex}.site-footer{width:min(1380px,100vw - 32px);margin:0 auto 40px}.site-footer-card{gap:14px;display:grid}.site-footer-owner{color:#201913;margin:0;font-size:1.05rem;font-weight:700}.site-footer-owner-link{color:inherit;text-decoration:none;display:inline-block}.site-footer-owner-link:hover{text-decoration:underline}.site-footer-page{margin-bottom:0;padding-top:40px}.site-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;display:grid}.site-footer-grid p{overflow-wrap:anywhere;margin:0}.topbar-mode-tabs{order:-1;width:min(420px,100%);margin-top:0}.topbar-actions{justify-content:flex-end;align-items:center;gap:14px;min-height:54px;display:flex}.topbar-link{color:#195143;background:0 0;border:0;border-radius:0;align-items:center;padding:0;text-decoration:none;display:inline-flex}.topbar-link:hover{opacity:.82;transform:none}.board-panel,.panel{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff9f0db;border:1px solid #211a1414;border-radius:28px;box-shadow:0 24px 60px #281b101f}.board-panel{padding:24px}.board-header,.panel-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.board-actions{flex-wrap:wrap;gap:12px;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:#6d5a4c;margin:0 0 8px;font-size:.72rem}h1,h2{letter-spacing:-.03em;margin:0;font-weight:700}h1{font-size:clamp(2rem,4vw,3.2rem)}h2{font-size:1.2rem}.board-card{background:0 0;border-radius:0;margin-top:24px;padding:0}.board{aspect-ratio:1;border-radius:0;width:100%;overflow:visible}.status-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px;display:grid}.status-tile,.line-box,.panel{padding:18px}.tile-label,dt{color:#715f50;margin-bottom:6px;font-size:.84rem;display:block}.status-grid .tile-label{min-height:2.2em}.status-tile strong,dd{margin:0;font-size:1.05rem}.sidebar{gap:20px;display:grid}.pill{color:#195143;background:#1c6b571f;border-radius:999px;align-items:center;min-height:36px;padding:.4rem .85rem;font-size:.92rem;display:inline-flex}.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 0;display:grid}.analysis-metric-grid{align-items:stretch}.analysis-metric-grid div{min-width:0}.analysis-metric-grid dd{overflow-wrap:anywhere}.session-grid,.role-actions,.hint-blocks,.hint-moves{gap:12px;display:grid}.role-selector{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px;display:grid}.role-choice{cursor:pointer;background:#e9e0d38c;border:1px solid #211a141f;border-radius:20px;justify-items:center;gap:12px;padding:16px 14px;transition:transform .16s,border-color .16s,box-shadow .16s,opacity .16s;display:grid}.role-choice:hover{transform:translateY(-1px)}.role-choice.is-active{border-color:#1c6b5770;box-shadow:inset 0 0 0 1px #1c6b5733}.role-choice-icon{border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;font-size:2.4rem;line-height:1;display:inline-flex}.role-choice-icon-white{color:#201913;background:#fffcf7eb}.role-choice-icon-black{color:#fffaf4;background:#2d2621}.role-choice-select{color:#201913;align-items:center;gap:8px;display:inline-flex}.role-choice-select input{width:18px;height:18px;margin:0}.session-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:16px}.role-actions{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:16px}.toggle-row{background:#e9e0d38c;border-radius:18px;margin-top:14px;padding:14px 16px}.toggle-control{cursor:pointer;align-items:center;gap:12px;display:flex}.toggle-control input{width:18px;height:18px}.role-meta{color:#715f50;margin-top:14px;font-size:.92rem}.metric-grid div{background:#e9e0d38c;border-radius:18px;padding:14px}.line-box{background:#e9e0d38c;border-radius:18px;margin-top:12px}.line-box p{word-break:break-word;margin:0}.auth-entry-actions{flex-wrap:wrap;gap:12px;margin-top:12px;display:flex}.mode-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.mode-tab{color:#195143;background:#1c6b5714;border-radius:999px;justify-content:center;align-items:center;padding:.75rem 1.1rem;text-decoration:none;transition:transform .16s,opacity .16s;display:inline-flex}.mode-tab:hover{opacity:.92;transform:translateY(-1px)}.mode-tab.is-active{color:#fffaf4;background:#1c6b57}.profile-box{position:relative}.profile-button{justify-content:center;align-items:center;width:48px;height:48px;padding:0;font-size:1rem;font-weight:700;display:inline-flex}.profile-menu{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff9f0fa;border:1px solid #211a1414;border-radius:22px;gap:12px;width:min(320px,100vw - 32px);padding:16px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 24px 60px #281b102e}.profile-menu-header strong,.profile-menu-header p{display:block}.profile-menu-header p{color:#6d5a4c;word-break:break-word;margin:6px 0 0}.profile-menu-actions{gap:10px;display:grid}.compact-line-box{margin-top:0;padding:14px}.computer-actions-row{grid-template-columns:minmax(0,1fr) auto;align-items:stretch}.mode-icon-actions{justify-self:end;align-items:center;gap:12px;display:inline-flex}#computerLevelRow{align-items:center;min-width:0;display:flex}#computerDifficultyInlineHost,#computerDifficultyStartHost{width:100%}.icon-action-button{border-radius:18px;justify-content:center;align-items:center;width:56px;min-width:56px;height:56px;padding:0;display:inline-flex}.control-icon{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:24px;height:24px}.modal-shell{z-index:40;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal-backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#18110c85;position:absolute;inset:0}.modal-card{background:#fff9f0fa;border:1px solid #211a1414;border-radius:28px;width:min(460px,100vw - 32px);padding:24px;position:relative;box-shadow:0 24px 60px #281b1038}.modal-header{justify-content:flex-start;align-items:flex-start;gap:16px;display:flex}.modal-close-button{border-radius:50%;width:40px;height:40px;padding:0;font-size:1.5rem;line-height:1;position:absolute;top:18px;right:18px}.auth-form-message{color:#715f50;margin:12px 0 0;line-height:1.4}.auth-form-switch{color:#715f50;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;display:flex}.feed,.moves{gap:12px;max-height:320px;margin-top:16px;display:grid;overflow:auto}.hint-card{gap:12px;margin-top:16px;display:grid}.hint-card.is-hidden{display:none}.hint-headline,.hint-move-line,.hint-caution-move{margin:0}.hint-headline{font-size:1.25rem;font-weight:700}.hint-move-line{color:#1c6b57;font-size:1.05rem;font-weight:700}.hint-moves{margin:12px 0}.hint-move{background:#e9e0d38c;border-radius:14px;padding:10px 12px}.feed-item,.move-row{background:#e9e0d38c;border-radius:16px;padding:14px 16px}.feed-item p{color:#3a302a;margin:8px 0 0;line-height:1.45}.move-row{grid-template-columns:52px 1fr 1fr;gap:12px;display:grid}.move-number{color:#756456}input,select,textarea{width:100%;font:inherit;color:#201913;background:#fffcf7eb;border:1px solid #211a1424;border-radius:18px;padding:.85rem 1rem}textarea{resize:vertical}.stack-form{gap:12px;margin-top:16px;display:grid}.compact-gap{margin-top:12px}.two-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.single-column{grid-template-columns:1fr}.chat-messages{gap:10px;max-height:260px;display:grid;overflow:auto}.chat-item{white-space:pre-wrap;background:#e9e0d38c;border-radius:14px;padding:12px 14px;line-height:1.45}.chat-user{background:#1c6b571f}.chat-assistant{background:#e9e0d3cc}.is-hidden{display:none}@media (width<=1100px){.app-shell{grid-template-columns:1fr}}@media (width<=720px){.page-topbar,.app-shell,.site-footer{width:min(100vw - 20px,100%)}.page-topbar{flex-direction:column;justify-content:flex-start;align-items:stretch;padding-top:3px}.topbar-actions{justify-content:flex-end;align-self:flex-end;width:auto}.profile-menu{width:100%;left:auto;right:0}.app-shell{padding-top:16px}.topbar-mode-tabs{order:0;width:min(520px,100%)}.board-panel,.panel{border-radius:22px;padding:16px}.board-card{width:calc(100% + 32px);margin:24px -16px 0}.board coords.files{left:0;right:0}.board-header,.panel-header,.modal-header,.session-grid,.role-actions{grid-template-columns:1fr}.computer-actions-row{grid-template-columns:minmax(0,1fr) auto}.role-selector{grid-template-columns:repeat(2,minmax(0,1fr))}.board-header,.panel-header,.modal-header{flex-direction:column}.metric-grid,.status-grid,.session-grid,.role-actions{display:grid}#computerLevelRow,#computerLevelRow select{min-width:0}.icon-action-button{border-radius:16px;width:52px;min-width:52px;height:52px}.status-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.status-grid .status-tile{padding:10px}.status-grid .tile-label{white-space:nowrap;align-items:flex-start;min-height:32px;margin-bottom:4px;font-size:.72rem;line-height:1.1;display:flex}.status-grid .status-tile strong{font-size:.96rem}.analysis-metric-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.analysis-metric-grid div{padding:12px}.analysis-metric-grid dt{margin-bottom:4px;font-size:.76rem}.analysis-metric-grid dd{font-size:.98rem}.site-footer-grid{grid-template-columns:1fr}}