.game-header{width:100%;display:flex;align-items:center;justify-content:center;padding:24px 24px 4px}.level-name{font-size:1.8rem;color:#2c3e50;font-weight:700;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;text-align:center;flex:1}.header-right{display:flex;align-items:center}.victory-badge{font-size:1rem;font-weight:700;color:#4caf50;animation:pulse 1s ease-in-out infinite alternate}@keyframes pulse{0%{opacity:.7;transform:scale(1)}to{opacity:1;transform:scale(1.05)}}@media(max-width:700px){.game-header{padding:8px 12px}.level-name{font-size:1.1rem}}.game-board-container{flex:1;display:flex;align-items:center;justify-content:center;align-self:stretch;overflow:hidden;min-height:0}.game-board{width:100%;height:100%;max-height:84vh;background:#fff;border:2px solid #d8dce3;box-shadow:0 2px 8px #0000000d;cursor:grab;touch-action:none}.game-board.dragging{cursor:grabbing}.hex-tile{cursor:pointer}.hex-tile.locked{cursor:default}.hex-polygon{transition:fill .2s ease,stroke .2s ease}.hex-icon{pointer-events:none;-webkit-user-select:none;user-select:none}@media(max-width:700px){.game-board{max-height:none}}.terrain-palette{display:flex;flex-direction:column;gap:8px;align-items:center}.terrain-btn{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;width:88px;height:106px;border:none;background:transparent;color:#4a5a6a;font-size:.85rem;cursor:pointer;transition:transform .15s,opacity .2s;outline:none;padding:0}.terrain-btn:hover:not(.depleted){transform:translateY(-2px)}.terrain-btn.selected{transform:scale(1.08)}.terrain-btn.depleted{opacity:.35;cursor:default}.terrain-hex{position:absolute;top:50%;left:0;transform:translateY(-50%);width:88px;height:76px;pointer-events:none}.terrain-icon-svg{z-index:1;color:#6a7a8a}.terrain-label{font-size:.7rem;font-weight:600;color:#3a4a5a;z-index:1}.terrain-count{position:absolute;bottom:15px;right:4px;font-size:.8rem;font-weight:700;color:#3a4a5a;z-index:2}.terrain-btn.depleted .terrain-count{color:#c0c8d0}@media(max-width:700px){.terrain-palette{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:6px}.terrain-btn{width:70px;height:85px}.terrain-hex{width:70px;height:62px}.terrain-icon-svg{width:54px;height:54px}.terrain-label{font-size:.6rem}.terrain-count{font-size:.7rem}}.constraint-panel,.constraint-status-list{display:flex;flex-direction:column;gap:14px;align-items:center}.validation-indicator{position:relative;display:grid;place-items:center;flex-shrink:0;width:22px;height:22px;box-sizing:border-box;border:1px solid #aab2ba;background:#cdd2d7}.validation-indicator.is-pending{border-color:#c4a22e;background:#f4d65b}.validation-spinner{width:12px;height:12px;box-sizing:border-box;border:2px solid rgb(112 85 18 / 25%);border-top-color:#705512;border-radius:50%;animation:validation-spin .8s linear infinite}.validation-indicator-label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@keyframes validation-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.validation-spinner{animation:none}}.constraint-hex-item{position:relative;width:72px;height:76px;display:flex;align-items:center;justify-content:center}.constraint-hex-bg{position:absolute;top:50%;left:0;transform:translateY(-50%);width:72px;height:63px}.constraint-hex-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:2px;color:#6a7a8a}.constraint-hex-name{font-size:.65rem;font-weight:600;color:#3a4a5a;text-align:center}@media(max-width:700px){.constraint-panel{gap:8px}.constraint-status-list{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:8px}.constraint-hex-item{width:56px;height:60px}.constraint-hex-bg{width:56px;height:49px}.constraint-hex-name{font-size:.55rem}}.level-complete-overlay{position:fixed;top:0;right:0;bottom:0;left:0;box-sizing:border-box;padding:24px;background:#131f2b7a;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.level-complete-card{width:min(620px,100%);box-sizing:border-box;overflow:hidden;background:#fff;border:1px solid #c0c8d0;border-radius:0;box-shadow:0 20px 60px #1525353d,0 4px 12px #1525351a;padding:0 0 24px;text-align:center;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.completion-image{display:block;width:100%;aspect-ratio:900 / 654;object-fit:cover}.final-completion-image{aspect-ratio:900 / 675}.reward-code{margin:20px 24px 0!important;color:#b8860b!important;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,Arial,sans-serif;font-size:1.35rem!important;font-weight:700!important;letter-spacing:2px;line-height:1.4;text-align:center!important;-webkit-user-select:text;user-select:text;cursor:text}.error-msg{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.submit-btn{display:inline-flex;align-items:center;justify-content:center;width:64px;height:44px;margin-top:20px;padding:0;border:none;border-radius:0;background:linear-gradient(135deg,#4caf50,#399c4b);color:#fff;cursor:pointer;box-shadow:0 6px 14px #4caf503d;transition:transform .15s,box-shadow .15s,filter .15s}.submit-btn svg{width:25px;height:25px;fill:currentColor;transform:translate(1px)}.submit-btn:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 8px 18px #4caf504d}.submit-btn:disabled{background:#a5d6a7;cursor:wait;box-shadow:none;transform:none}@media(max-width:700px){.level-complete-overlay{padding:14px}.level-complete-card{padding-bottom:20px}.reward-code{margin-top:16px!important;font-size:1.1rem!important}.submit-btn{width:58px;height:42px;margin-top:16px}}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center}.validation-error{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 16px;max-width:calc(100% - 32px);padding:10px 16px;border:1px solid #c17525;background:#fff5e7;color:#754414;font-size:.9rem}.validation-error button{padding:6px 12px;border:1px solid currentColor;background:transparent;color:inherit;font:inherit;cursor:pointer}.validation-error button:disabled{opacity:.65;cursor:wait}.game-layout{flex:1;display:flex;gap:28px;padding:8px 48px 16px;width:100%;align-items:center;justify-content:center;min-height:0}.left-panel{display:flex;flex-direction:column;align-items:center;gap:24px;align-self:center}.undo-reset-row{display:flex;gap:8px}.undo-btn-side,.reset-btn-side{width:44px;height:44px;border:1px solid #c0c8d0;background:transparent;color:#5a6a7a;font-size:1rem;cursor:pointer;transition:background .2s,color .2s;display:flex;align-items:center;justify-content:center}.undo-btn-side:hover,.reset-btn-side:hover{background:#e94560;color:#fff;border-color:#e94560}@media(max-width:700px){.game-layout{flex-direction:column;gap:8px;padding:4px 8px 8px;align-items:center}.left-panel{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:12px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none}body{min-height:100vh;background:#f5f3ef;color:#2c3e50;overscroll-behavior:none;-webkit-user-select:none;user-select:none}#root{min-height:100vh}button{cursor:pointer;font-family:inherit;touch-action:manipulation}ul{list-style:none}