:root{--bg:#f3efe8;--paper:#f9f7f2;--ink:#121311;--muted:#72736d;--line:#d8d4cb;--accent:#ff6b2d;--accent-soft:#ffe7dc;--dark:#1a1b19;--white:#fffdf9;--fill:#fffefc;--fill-hover:#ffffff;--fill-shadow:0 1px 2px rgba(18,19,17,.07);--radius:28px;--shadow:0 22px 60px rgba(18,19,17,.1)}*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--bg);color:var(--ink);font-family:DM Sans,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}button,a{font:inherit}a{color:inherit;text-decoration:none}button{border:0;background:none;cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:#f3efe8e6;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(216,212,203,.8)}.header-inner{min-height:76px;padding:10px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 28px}.brand{display:flex;align-items:center;gap:10px;font-family:Manrope,sans-serif;font-weight:800;letter-spacing:-.04em}.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--white);display:grid;place-items:center;font-size:20px;transform:rotate(-6deg)}.brand-name{font-size:20px}.brand-name span{color:var(--accent)}.header-actions{display:flex;align-items:center;gap:18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 22px;border-radius:15px;font-size:14px;font-weight:800;transition:.2s ease}.button:hover{transform:translateY(-2px)}.button-small{min-height:42px;padding:0 16px;border-radius:12px;font-size:12px}.button-dark{background:var(--ink);color:var(--white)}.button-primary{background:var(--accent);color:var(--white);box-shadow:0 12px 24px #ff6b2d38}.panel-button{display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:40px;border-radius:11px;padding:0 12px;font-size:11px;font-weight:800;cursor:pointer;background:none;color:inherit;border:0;font-family:inherit;transition:.18s}.panel-button.dark{background:var(--ink);color:var(--white)}.panel-button.ghost{border:1px solid #3f423c;color:#d8d9d2}.panel-button.ghost:hover:not(:disabled){border-color:#6c6f66}.panel-button.dark:hover:not(:disabled){background:var(--accent);color:#fff}.panel-button:disabled{opacity:.35;cursor:not-allowed}.board{aspect-ratio:1;background:#e5ddcf;border-radius:10px;overflow:hidden;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);box-shadow:inset 0 0 0 1px #12131114}.square{position:relative;display:grid;place-items:center;font-size:clamp(20px,3vw,34px);font-family:Georgia,serif}.square.light{background:#eee7da}.square.dark{background:#b98f6a}.piece{display:block;width:100%;height:100%;object-fit:contain;object-position:center bottom;-webkit-user-drag:none;-webkit-user-select:none;user-select:none;pointer-events:none}.square.selected:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;box-shadow:inset 0 0 0 3px #ff8352e6}.square.last-move:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#ff835238}.board-frame{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;align-content:start;gap:9px}.board-ranks,.board-files{display:grid;font-family:Manrope,sans-serif;font-size:13px;font-weight:700;color:var(--coord,#6e6f69);place-items:center;-webkit-user-select:none;user-select:none}.board-ranks{grid-template-rows:repeat(8,1fr);width:18px}.board-files{grid-column:2;grid-template-columns:repeat(8,1fr)}.panel-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:6px}.panel-actions.nav{grid-template-columns:1fr auto 1fr;margin-top:10px}.toast{position:fixed;right:20px;bottom:20px;z-index:100;background:var(--ink);color:#fff;padding:13px 16px;border-radius:12px;font-size:11px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:none}.admin-shell{min-height:100dvh}[hidden]{display:none!important}.admin-shell .panel-button.ghost{color:var(--ink);border-color:var(--line);background:var(--fill);box-shadow:var(--fill-shadow)}.admin-shell .panel-button.ghost:disabled{background:var(--fill)}.admin-shell .panel-button:disabled{color:#a6a79f}.admin-shell .panel-button{transition:transform .2s ease,border-color .2s ease,background-color .2s ease}.admin-shell .panel-button:hover:not(:disabled){transform:translateY(-2px)}.admin-shell .panel-button.ghost:hover:not(:disabled){border-color:var(--ink);background:var(--fill-hover)}.admin-shell .panel-button.dark:hover:not(:disabled){background:var(--ink);color:var(--white)}#view-solution .panel-button{font-weight:600}.section-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--accent)}.login-view{min-height:calc(100vh - 76px);display:flex;align-items:center;justify-content:center;padding:40px 0}.login-wrap{display:flex;justify-content:center;width:100%}.login-card{width:100%;max-width:420px;border:1px solid var(--line);border-radius:22px;background:var(--white);padding:28px;box-shadow:0 30px 70px #12131140}.login-card h2{font-family:Manrope,sans-serif;font-size:20px;letter-spacing:-.03em;line-height:1.15;margin:6px 0 0}.login-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0 0 20px}.login-card .button{width:100%}.login-card .admin-input{min-height:48px;padding:0 16px;font-size:14px}.login-card .field-label{letter-spacing:.08em;margin:0 0 8px}.login-forgot-link{display:block;text-align:left;font-size:12px;font-weight:700;color:var(--muted);background:none;border:0;cursor:pointer;margin:0 0 16px;transition:color .2s ease}.login-forgot-link:hover{color:var(--ink)}.login-link-btn{display:block;width:100%;text-align:center;font-size:12px;font-weight:700;color:var(--muted);background:none;border:0;cursor:pointer;margin-top:12px;transition:color .2s ease}.login-link-btn:hover{color:var(--ink)}.login-reset-notice{font-size:12px;color:var(--accent);margin:0 0 16px}.login-spacer{margin-bottom:16px}.password-input-wrap{position:relative;margin-bottom:16px}.password-input-wrap.password-tight{margin-bottom:6px}.password-input{padding-right:44px;margin-bottom:0}.password-toggle{position:absolute;right:4px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:36px;height:36px;border-radius:10px;color:#8a8b84;background:none;border:0;cursor:pointer;transition:color .2s ease}.password-toggle:hover{color:var(--ink)}.header-nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;column-gap:26px;row-gap:10px}.header-nav-link{background:none;border:0;padding:0;font-size:13px;font-weight:700;color:var(--muted);cursor:pointer;transition:color .2s ease}.header-nav-link:not(.active):hover{color:var(--accent)}.header-nav-link.active{color:var(--ink)}.nav-toggle{display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:42px;height:42px;flex:none;border:1px solid var(--line);background:var(--fill);border-radius:12px;transition:border-color .2s ease,transform .2s ease}.nav-toggle:hover{border-color:var(--ink)}.nav-toggle:active{transform:scale(.9)}.nav-toggle-bar{display:block;width:17px;height:1.5px;border-radius:2px;background:var(--ink);transition:transform .38s cubic-bezier(.34,1.56,.64,1),opacity .2s ease}.nav-toggle-bar.bar-1-open{transform:translateY(5.5px) rotate(45deg)}.nav-toggle-bar.bar-2-open{opacity:0;transform:scaleX(0)}.nav-toggle-bar.bar-3-open{transform:translateY(-5.5px) rotate(-45deg)}.nav-mobile-panel{display:none}.admin-main{padding:36px 0 90px}.workflow-stepper-wrap{display:none;padding:22px 0 0;align-items:center}.stepper{display:flex;align-items:center;gap:0;width:100%;max-width:640px;margin:0 auto}.stepper-line{flex:1;height:1px;background:var(--line);margin:0 6px}.stepper-dot{display:flex;align-items:center;gap:9px;border:0;background:none;cursor:pointer;padding:6px 2px;color:var(--muted);flex:none}.stepper-dot.upcoming{cursor:default;opacity:.55}.stepper-num{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:800;border:1px solid var(--line);background:var(--paper);color:var(--ink);flex:none}.stepper-dot.current .stepper-num{background:var(--ink);color:var(--white);border-color:var(--ink)}.stepper-dot.done .stepper-num{background:var(--accent);color:#fff;border-color:var(--accent)}.stepper-label{font-size:12px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}.stepper-dot.current .stepper-label{color:var(--ink)}.admin-view{display:none}.admin-view.active{display:block;animation:admin-view-in .65s ease both}@keyframes admin-view-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.admin-view.active{animation:none}}.section-intro-admin{max-width:640px;margin-bottom:26px}.section-intro-admin h2{font-family:Manrope,sans-serif;font-size:clamp(26px,3.4vw,36px);letter-spacing:-.04em;margin:8px 0}.section-intro-admin p{color:var(--muted);font-size:13px;line-height:1.6;margin:0}.muted-count{font-family:inherit;font-size:inherit;font-weight:inherit;color:var(--ink);letter-spacing:inherit}.admin-input{width:100%;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);font:inherit;font-size:13px;margin-bottom:16px}textarea.admin-input{min-height:76px;padding:10px 14px;resize:vertical}.admin-input:focus{outline:2px solid var(--accent);outline-offset:1px}.field-label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:#8a8b84;margin:0 0 8px}.profile-view{min-height:60vh;padding:20px 0}.profile-form-card>p:first-of-type{margin-top:10px}.profile-code-input{text-align:center;letter-spacing:.5em;font-size:16px}.admin-view-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}.admin-view-head h2{font-family:Manrope,sans-serif;font-size:clamp(26px,3.4vw,36px);letter-spacing:-.04em;line-height:1.05;margin:8px 0 0;display:flex;align-items:baseline;gap:10px}.levels-toolbar{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:10px;margin-bottom:24px}.entity-toolbar{grid-template-columns:2fr 1fr}.payments-toolbar{grid-template-columns:2fr 1fr 1fr}.entity-toolbar-single{display:grid;grid-template-columns:minmax(0,420px);gap:10px;margin-bottom:24px}.access-list{display:flex;flex-direction:column;gap:10px}.access-row{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1px solid var(--line);border-radius:14px;background:var(--white);padding:12px 14px}.access-row-main{display:flex;flex-direction:column;gap:3px;min-width:0}.access-row-main strong{font-size:14px;letter-spacing:-.02em}.access-row-meta{font-size:10px;color:var(--muted)}.access-row .panel-button{flex:0 0 auto;min-height:34px;font-size:10px;padding:0 12px}.grant-form{display:flex;flex-direction:column;gap:10px;border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:16px}.grant-form-hint{font-size:11px;color:var(--muted);line-height:1.5;margin:0}.payment-id{width:100%;word-break:break-all}.breadcrumb-back{margin-bottom:16px}.entity-form-screen{padding-top:6px}.entity-form-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;margin-top:8px;align-items:start}.entity-form-fields .entity-form-input{min-height:52px;font-size:14px}.entity-form-fields textarea.entity-form-input{min-height:260px;padding-top:14px;resize:vertical}.entity-form-preview{position:sticky;top:24px}@media(max-width:900px){.entity-form-layout{grid-template-columns:1fr}.entity-form-preview{position:static}}.empty-state{display:none;text-align:center;color:var(--muted);font-size:13px;padding:60px 20px;border:1px dashed var(--line);border-radius:var(--radius);background:var(--paper)}.levels-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.level-card{border:1px solid var(--line);border-radius:22px;background:var(--white);overflow:hidden;display:flex;flex-direction:column;transition:.2s ease}.level-card:hover{box-shadow:0 12px 30px #1213110f;transform:translateY(-2px)}.mini-preview-board{aspect-ratio:1;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);background:#e5ddcf}.mini-preview-board span{position:relative;display:block}.mini-preview-board span.light{background:#eee7da}.mini-preview-board span.dark{background:#b98f6a}.mini-preview-board img{display:block;width:100%;height:100%;object-fit:contain;object-position:center bottom}.level-card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:4px}.level-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.level-card-top h3{font-family:Manrope,sans-serif;font-size:17px;letter-spacing:-.02em;margin:0}.level-card-desc{font-size:12px;color:var(--muted);line-height:1.5;margin:2px 0 8px;min-height:18px}.level-card-meta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:10px;color:#8a8b84;margin-bottom:2px}.level-card-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.level-card-actions .panel-button{flex:1 1 0;min-height:36px;font-size:10px;padding:0 10px;border-color:var(--line);color:var(--ink)}.level-card-actions .panel-button.dark{background:var(--ink);color:var(--white)}.level-card-actions .panel-button.danger{color:#d2542f;border-color:#d2542f}.entity-grid{gap:20px}.entity-card{border-radius:24px;position:relative}.entity-card:before{content:"";display:block;height:5px;background:var(--line)}.entity-card.status-draft:before{background:#c9cabf}.entity-card.status-published:before{background:#3fa35a}.entity-card.status-archived:before{background:#d2542f}.entity-card .level-card-body{padding:22px 24px 20px;gap:6px}.entity-card .level-card-top h3{font-size:20px}.entity-card .level-card-desc{font-size:13px;min-height:0}.entity-card .level-card-meta{font-size:11px;color:var(--muted)}.entity-card .level-card-actions{margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}.entity-card .level-card-actions [data-action=open]{flex:1 1 100%;min-height:42px;font-size:11px}.entity-card .level-card-actions [data-action=edit],.entity-card .level-card-actions [data-action=publish],.entity-card .level-card-actions [data-action=unpublish],.entity-card .level-card-actions [data-action=delete]{flex:1 1 0}.level-card-actions .panel-button.danger:hover:not(:disabled){border-color:#d2542f}.status-pill{display:inline-flex;align-items:center;font-size:9px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:var(--bg);color:var(--ink);border:1px solid var(--line);flex:none}.status-pill.status-draft{background:#f1eee6;color:#7a7b73}.status-pill.status-published{background:#eaf5ec;color:#2f7a3c;border-color:#cfe0d3}.status-pill.status-archived{background:#f4e9e2;color:#9a6a3f;border-color:#e6d3c3}.editor-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}.editor-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:96px}.editor-board-frame{max-width:560px;margin:0 auto 18px}.board.editable .square{cursor:pointer}.palette-wrap{margin-top:6px}.palette{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;max-width:560px;margin:0 auto}.palette-piece{aspect-ratio:1;border:1px solid var(--line);border-radius:12px;background:var(--paper);display:grid;place-items:center;padding:6px;cursor:pointer;transition:.15s}.palette-piece img{width:100%;height:100%;object-fit:contain;object-position:center bottom}.palette-piece:hover{border-color:#bdb9b0}.palette-piece.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 2px var(--accent) inset}.palette-eraser{font-size:18px;font-weight:800;color:#c14a2c}.hint-text{font-size:11px;color:#8a8b84;line-height:1.6;max-width:560px;margin:10px auto 0}.board-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;max-width:560px;margin:18px auto 0;padding-top:16px;border-top:1px solid var(--line)}.toggle-field{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--ink);cursor:pointer}.toggle-field input{width:16px;height:16px;accent-color:var(--accent)}.toggle-field:has(input:disabled){color:#a6a79f;cursor:not-allowed}.toggle-field input:disabled{cursor:not-allowed;opacity:.5}.editor-board-frame:has(.coords-off) .board-files,.editor-board-frame:has(.coords-off) .board-ranks{visibility:hidden}.admin-accordion{border:1px solid var(--line);border-radius:18px;background:var(--white);padding:14px 18px;margin:0}.admin-accordion summary{cursor:pointer;list-style:none;font-family:Manrope,sans-serif;font-weight:800;font-size:13px;letter-spacing:-.01em;padding:4px 0}.admin-accordion summary::-webkit-details-marker{display:none}.admin-accordion[open] summary{margin-bottom:10px}.accordion-body{padding-top:2px}.segmented{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:16px}.segmented-option{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 8px;font-size:12px;font-weight:700;cursor:pointer;background:var(--paper)}.segmented-option:first-child{border-right:1px solid var(--line)}.segmented-option:has(input:checked){background:var(--ink);color:var(--white)}.segmented-option input{accent-color:var(--accent)}.checkbox-row{display:flex;gap:18px;margin-bottom:14px}.validation-msg{display:none;margin:0 0 14px;min-height:0;padding:10px 12px}.feedback.error.validation-msg{border:1px solid #e8c4bb;background:#fbf1ee;color:#a33d1f;font-size:12px;line-height:1.45}.validation-msg.show{display:flex;align-items:center}.editor-actions{margin-top:4px}.panel-actions.editor-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.square.sel-player-from:before,.square.sel-player-to:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;box-shadow:inset 0 0 0 3px var(--accent)}.square.sel-reply-from:before,.square.sel-reply-to:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;box-shadow:inset 0 0 0 3px #4c7cf0}.current-step-box{border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:18px;max-width:560px;margin:0 auto}.current-step-preview{display:grid;gap:8px;margin-bottom:14px}.piece-emoji{font-size:1.7em;line-height:1;vertical-align:-3px}.temp-move-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;padding:8px 10px;background:var(--white);border:1px solid var(--line);border-radius:10px}.temp-move-row span{color:#8a8b84;font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.manual-coords-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 4px}.manual-coords-grid .admin-input{margin-bottom:0}.algo-box{border:1px solid var(--line);border-radius:18px;background:var(--white);padding:18px;max-width:560px;margin:16px auto 0}.algo-row{display:flex;gap:10px;align-items:center}.algo-input{margin-bottom:0;letter-spacing:.02em;font-size:16px}.algo-row .panel-button{flex:none}.algo-hint{margin:10px 0 0;max-width:none}.algo-hint code{background:var(--bg);border-radius:5px;padding:1px 5px;font-size:11px}.algo-error{margin:10px 0 0;min-height:0;padding:10px 12px;display:none}.feedback.error.algo-error{border:1px solid #e8c4bb;background:#fbf1ee;color:#a33d1f;font-size:12px;line-height:1.45}.algo-error.show{display:flex;align-items:center}.steps-panel{border:1px solid var(--line);border-radius:18px;background:var(--white);padding:16px 18px}.full-algo-label{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.steps-list{display:flex;flex-direction:column;align-items:stretch;gap:0;max-height:340px;overflow-y:auto;margin-top:8px}.step-card{border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:var(--paper)}.step-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.step-index{font-family:Manrope,sans-serif;font-weight:800;font-size:13px;color:var(--ink);background:var(--bg);border-radius:8px;padding:2px 8px}.step-card-actions{display:flex;gap:6px}.step-card-actions .panel-button{min-height:30px;font-size:9px;padding:0 8px;border-color:var(--line);color:var(--ink)}.step-card-body{display:flex;flex-direction:column;gap:4px}.step-move{display:flex;align-items:baseline;gap:8px;font-size:13px}.step-move em{font-style:normal;font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:#8a8b84;width:56px;flex:none}.step-arrow{text-align:center;color:#b4b0a5;font-size:13px;padding:4px 0}.engine-panel{border:1px solid var(--line);border-radius:18px;background:var(--white);padding:16px 18px}.engine-hint{margin:0 0 14px;max-width:none}.engine-controls{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px 12px;margin-bottom:12px}.engine-controls .field-label{grid-column:1 / -1;margin-bottom:0}.engine-range{width:100%;accent-color:var(--accent)}#engine-depth-value{font-family:Manrope,sans-serif;font-weight:800;font-size:13px;min-width:24px;text-align:right}.engine-run-btn{width:100%}.engine-run-btn:disabled{opacity:.55;cursor:progress}.engine-result{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:12px}.engine-result.engine-error{color:#a33d1f}.engine-summary{display:flex;justify-content:space-between;gap:12px;padding:5px 0}.engine-summary span{color:#8a8b84}.engine-summary b{font-family:Manrope,sans-serif;letter-spacing:-.01em}.engine-steps{margin:10px 0 4px}.engine-step{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:baseline;padding:7px 0;border-top:1px solid var(--line)}.engine-step .step-index{grid-row:span 2}.engine-step em{font-style:normal;font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:#8a8b84;margin-right:6px}.engine-warnings{margin:10px 0 0;padding:9px 11px;border:1px solid #e8d9bb;background:#fbf6ea;border-radius:10px}.engine-warnings p{margin:0 0 4px;font-size:11px;line-height:1.45;color:#8a6524}.engine-warnings p:last-child{margin-bottom:0}.engine-warnings.engine-no-mate{border-color:#e8c4bb;background:#fbf1ee}.engine-warnings.engine-no-mate p{color:#a33d1f;font-weight:600}.panel-actions.engine-actions{margin-top:12px}.preview-panel{border:1px solid var(--line);border-radius:18px;background:var(--white);padding:16px 18px}.preview-board-frame{max-width:220px;margin:8px auto 0}.preview-label{text-align:center;font-size:11px;color:var(--muted);margin:10px 0}.preview-solution-btn{width:100%;margin-top:10px}.result-panel{border:1px solid var(--line);border-radius:18px;background:var(--white);padding:16px 18px}.result-panel .admin-input{margin:8px 0 0}.review-layout{max-width:900px;margin:0 auto}.review-grid{display:grid;grid-template-columns:260px 1fr;gap:30px;border:1px solid var(--line);border-radius:22px;padding:22px;background:var(--white);margin-bottom:24px}.review-board-col .mini-preview-board.large{border-radius:12px;overflow:hidden}.review-info-col h3{font-family:Manrope,sans-serif;font-size:26px;letter-spacing:-.03em;margin:0 0 8px}.review-desc{font-size:13px;color:var(--muted);line-height:1.6;margin:0 0 14px}.review-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.review-fact{display:flex;justify-content:space-between;gap:12px;font-size:12px;padding:10px 0;border-top:1px solid var(--line)}.review-fact span{color:#8a8b84}.review-fact-result{align-items:flex-start}.review-fact-result>span:last-child{flex:0 0 auto;width:200px}.review-fact-result .admin-input{margin-bottom:0}.review-hint{display:block;margin-top:4px;color:#8a8b84;font-size:11px}.review-steps{border:1px solid var(--line);border-radius:22px;padding:22px;background:var(--paper)}.review-steps h4{font-family:Manrope,sans-serif;font-size:15px;margin:0 0 14px}.review-step-row{display:grid;grid-template-columns:34px 1fr 1fr;gap:14px;align-items:center;font-size:13px;padding:9px 0;border-top:1px solid var(--line)}.review-step-row:first-of-type{border-top:0}.review-step-row em{font-style:normal;font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:#8a8b84;margin-right:6px}.review-actions{margin-top:24px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}@media(max-width:1024px){.header-nav{display:none}.nav-toggle{display:flex}.nav-mobile-panel{display:flex;flex-direction:column;border-top:1px solid var(--line);padding:14px 0 20px}.nav-mobile-link{text-align:left;padding:12px 0;font-size:14px;font-weight:700;color:var(--ink);border:0;background:none;cursor:pointer}.nav-mobile-link.active{color:var(--accent)}}@media(max-width:980px){.editor-layout{grid-template-columns:1fr}.editor-side{position:static;top:auto}.levels-toolbar,.payments-toolbar{grid-template-columns:1fr 1fr}.entity-toolbar-single,.review-grid{grid-template-columns:1fr}.review-board-col .mini-preview-board.large{max-width:280px;margin:0 auto}}@media(max-width:640px){.brand-name{font-size:15px}.header-inner{gap:12px}.admin-main{padding:22px 0 60px}.workflow-stepper-wrap{padding:14px 0 0}.stepper-label{display:none}.editor-board-frame{max-width:min(78vw,320px)}.palette{grid-template-columns:repeat(4,1fr);max-width:min(78vw,320px)}.hint-text,.board-toolbar{max-width:min(78vw,320px)}.board-toolbar{flex-direction:column;align-items:stretch}.board-toolbar .panel-button{width:100%}.levels-toolbar,.payments-toolbar{grid-template-columns:1fr}.access-row{flex-direction:column;align-items:stretch}.admin-view-head{align-items:stretch;flex-direction:column}.admin-view-head .button{width:100%}.manual-coords-grid{grid-template-columns:1fr 1fr}.panel-actions.editor-actions,.review-actions{grid-template-columns:1fr}.preview-board-frame{max-width:180px}.container.editor-layout,.container.review-layout{width:min(100% - 24px,1180px)}.piece-emoji{font-size:2.3em}}html[data-theme=dark]{color-scheme:dark;--bg:#0d0f0e;--paper:#151816;--ink:#f4f2ec;--muted:#9a9e96;--line:#30352f;--accent:#ff7a3d;--accent-soft:#382017;--dark:#090b0a;--white:#1a1e1b;--fill:#2b2f29;--fill-hover:#363b34;--fill-shadow:none;--shadow:0 24px 70px rgba(0,0,0,.32);--coord:#8b908a}html[data-theme=dark] .brand-mark,html[data-theme=dark] .button-dark,html[data-theme=dark] .panel-button.dark,html[data-theme=dark] .toast{background:#f2f0ea;color:#111411}html[data-theme=dark] .button-primary{color:#f8f6ef}html[data-theme=dark] .site-header{background:#0d0f0edb;border-bottom-color:#30352fe6}html[data-theme=dark] .panel-button.ghost{border-color:#3a4139;color:#dadcd5}html[data-theme=dark] .panel-button.ghost:hover:not(:disabled){border-color:#6f756e}html[data-theme=dark] .admin-shell .panel-button:disabled,html[data-theme=dark] .toggle-field:has(input:disabled){color:#6f756e}html[data-theme=dark] .palette-piece:hover{border-color:#454b43}html[data-theme=dark] .level-card:hover{box-shadow:0 12px 30px #00000073}html[data-theme=dark] .field-label,html[data-theme=dark] .password-toggle,html[data-theme=dark] .level-card-meta,html[data-theme=dark] .hint-text,html[data-theme=dark] .temp-move-row span,html[data-theme=dark] .step-move em,html[data-theme=dark] .engine-summary span,html[data-theme=dark] .engine-step em,html[data-theme=dark] .review-fact span,html[data-theme=dark] .review-step-row em{color:#8b908a}html[data-theme=dark] .step-arrow{color:#5e635b}html[data-theme=dark] .entity-card.status-draft:before{background:#4a4f47}html[data-theme=dark] .status-pill.status-draft{background:#1e211d;color:#9a9e96}html[data-theme=dark] .status-pill.status-published{background:#16281a;color:#79e08a;border-color:#2b4a32}html[data-theme=dark] .status-pill.status-archived{background:#2a211a;color:#d0a173;border-color:#463629}html[data-theme=dark] .feedback.error.validation-msg,html[data-theme=dark] .feedback.error.algo-error,html[data-theme=dark] .engine-warnings.engine-no-mate{border-color:#5c3b30;background:#2a1a16;color:#ff8f6b}html[data-theme=dark] .engine-result.engine-error,html[data-theme=dark] .engine-warnings.engine-no-mate p{color:#ff8f6b}html[data-theme=dark] .engine-warnings{border-color:#4a3d21;background:#241f14}html[data-theme=dark] .engine-warnings p{color:#e0b665}html[data-theme=dark] .level-card-actions .panel-button.danger{color:#ff8f6b;border-color:#5c3b30}html[data-theme=dark] .level-card-actions .panel-button.danger:hover:not(:disabled){border-color:#ff8f6b}html[data-theme=dark] .palette-eraser{color:#ff8f6b}.theme-toggle{width:38px;height:38px;flex:none;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;position:relative;color:var(--ink);background:var(--fill);overflow:hidden;transition:border-color .2s ease,transform .2s ease}.theme-toggle:hover{border-color:var(--ink)}.theme-toggle:active{transform:scale(.9)}.theme-toggle span{grid-area:1/1;transition:.25s ease;font-size:16px;line-height:1}.theme-moon{opacity:0;transform:translateY(8px) rotate(20deg)}html[data-theme=dark] .theme-sun{opacity:0;transform:translateY(-8px) rotate(-20deg)}html[data-theme=dark] .theme-moon{opacity:1;transform:none}
