:root{--transition-smooth: all .2s cubic-bezier(.3, 0, .5, 1);--transition-fast: all .1s cubic-bezier(.3, 0, .5, 1);--gap-xs: .25rem;--gap-sm: .5rem;--gap-md: .75rem;--gap-lg: 1rem;--gap-xl: 1.25rem;--padding-xs: .375rem .5rem;--padding-sm: .5rem .75rem;--padding-md: .5rem 1rem;--padding-lg: .75rem 1rem;--padding-xl: 1.125rem 1.5rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1.25rem;--text-xs: .6875rem;--text-sm: .75rem;--text-base: .8125rem;--text-md: .875rem;--text-lg: 1rem;--text-xl: 1.125rem;--shadow-xs: 0 .0625rem .125rem rgba(0, 0, 0, .05);--shadow-sm: 0 .0625rem .1875rem rgba(0, 0, 0, .12);--shadow-md: 0 .25rem .75rem rgba(0, 0, 0, .15);--shadow-lg: 0 .5rem 2rem rgba(0, 0, 0, .3);--shadow-xl: 0 1.25rem 3.125rem rgba(0, 0, 0, .4);--input-height: 2rem;--button-height: 2rem;--indicator-size: 1.75rem;--margin-xs: .25rem;--margin-sm: .5rem;--margin-md: .75rem;--margin-lg: 1rem;--margin-xl: 1.5rem;--margin-2xl: 2rem;--border-thin: .0625rem;--border-medium: .125rem;--border-thick: .25rem;--content-width-min: 80%;--content-width-max: 87.5rem;--content-width-preferred: 85%}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-start{display:flex;align-items:center;justify-content:flex-start}.flex-end{display:flex;align-items:center;justify-content:flex-end}.content-width{width:var(--content-width-preferred, 85%);max-width:var(--content-width-max, 87.5rem);min-width:var(--content-width-min, 80%);margin-left:auto;margin-right:auto}.interactive{cursor:pointer;transition:var(--transition-smooth)}.interactive:hover{transform:translateY(-1px)}.interactive:active{transform:translateY(0);transition:var(--transition-fast)}.interactive:focus{outline:2px solid var(--color-accent-fg);outline-offset:2px}.status-badge{padding:var(--padding-xs);border-radius:var(--radius-xl);font-weight:500;font-size:var(--text-base);border:1px 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#21262d;--color-border-subtle: #21262d;--color-fg-default: #e6edf3;--color-fg-muted: #7d8590;--color-fg-subtle: #656d76;--color-accent-fg: #2f81f7;--color-accent-emphasis: #1f6feb;--color-accent-muted: rgba(56, 139, 253, .4);--color-accent-subtle: rgba(56, 139, 253, .15);--color-success-fg: #3fb950;--color-success-emphasis: #238636;--color-attention-fg: #d29922;--color-attention-emphasis: #9e6a03;--color-danger-fg: #f85149;--color-danger-emphasis: #da3633;--color-neutral-muted: rgba(110, 118, 129, .4);--color-primer-shadow-inset: inset 0 .0625rem 0 rgba(208, 215, 222, .2);--color-scale-gray-7: #21262d;--color-scale-blue-8: #0969da;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";line-height:1.5;font-weight:400;font-size:var(--text-md, .875rem);color-scheme:dark;color:var(--color-fg-default);background-color:var(--color-canvas-default);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}*{box-sizing:border-box}*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background-color:var(--color-canvas-default);color:var(--color-fg-default);overflow-x:hidden}h1,h2,h3,h4,h5,h6{margin-top:var(--margin-xl, 1.5rem);margin-bottom:var(--margin-lg, 1rem);font-weight:600;line-height:1.25;color:var(--color-fg-default)}h1{font-size:2rem;font-weight:600}h2{font-size:1.5rem;font-weight:600}h3{font-size:1.25rem;font-weight:600}p{margin-top:0;margin-bottom:var(--margin-sm, .5rem)}a{color:var(--color-accent-fg);text-decoration:none;font-weight:500;transition:color .2s cubic-bezier(.3,0,.5,1)}a:hover{color:var(--color-accent-emphasis);text-decoration:underline}a:focus{outline:.125rem solid var(--color-accent-fg);outline-offset:-.125rem}button{position:relative;display:inline-block;padding:var(--padding-xs, .375rem .5rem);font-size:var(--text-md, .875rem);font-weight:500;line-height:var(--button-height, 2rem);white-space:nowrap;vertical-align:middle;cursor:pointer;-webkit-user-select:none;user-select:none;border:var(--border-thin, .0625rem) solid;border-radius:var(--radius-sm, .375rem);-webkit-appearance:none;-moz-appearance:none;appearance:none;text-decoration:none;text-align:center;font-family:inherit;transition:all .2s cubic-bezier(.3,0,.5,1);color:var(--color-fg-default);background-color:var(--color-canvas-subtle);border-color:var(--color-border-default);box-shadow:var(--color-primer-shadow-inset),0 .0625rem #d0d7de1a}button:hover{background-color:var(--color-canvas-default);border-color:var(--color-border-subtle);transition-duration:.1s}button:active{background-color:var(--color-canvas-inset);border-color:var(--color-border-default);transition:none}button:focus{outline:.125rem solid var(--color-accent-fg);outline-offset:-.125rem;box-shadow:none}button:disabled{color:var(--color-primer-fg-disabled);background-color:var(--color-canvas-subtle);border-color:var(--color-border-default);cursor:default}input,textarea,select{font-family:inherit;font-size:var(--text-md, .875rem);line-height:var(--input-height, 2rem);color:var(--color-fg-default);vertical-align:middle;background-color:var(--color-canvas-default);background-repeat:no-repeat;background-position:right var(--gap-sm, .5rem) center;border:var(--border-thin, .0625rem) solid var(--color-border-default);border-radius:var(--radius-sm, .375rem);outline:none;box-shadow:var(--color-primer-shadow-inset);transition:border-color .2s cubic-bezier(.3,0,.5,1)}input:focus,textarea:focus,select:focus{border-color:var(--color-accent-fg);outline:.125rem solid var(--color-accent-fg);outline-offset:-.125rem}::-webkit-scrollbar{width:.75rem}::-webkit-scrollbar-track{background:var(--color-canvas-default)}::-webkit-scrollbar-thumb{background-color:var(--color-border-default);border-radius:.375rem;border:.1875rem solid var(--color-canvas-default)}::-webkit-scrollbar-thumb:hover{background-color:var(--color-border-muted)}::selection{background-color:var(--color-accent-muted);color:var(--color-fg-default)}:focus-visible{outline:.125rem solid var(--color-accent-fg);outline-offset:-.125rem}.katex{color:var(--color-fg-default)!important;max-width:100%!important;overflow-wrap:anywhere!important;word-wrap:break-word!important;word-break:break-all!important;display:inline!important}.katex .mord{color:var(--color-fg-default)!important}.katex .mbin,.katex .mrel{color:var(--color-accent-fg)!important;white-space:nowrap!important}.katex .mopen,.katex .mclose{color:var(--color-fg-muted)!important;white-space:nowrap!important}.katex .katex-html{white-space:normal!important;overflow-wrap:anywhere!important;word-break:break-all!important;display:inline!important}.katex .base{display:inline!important;max-width:100%!important;overflow-wrap:anywhere!important;word-break:break-all!important}.katex select,select.dropdown-op,select.dropdown-quantifier,select.dropdown-set,select.dropdown-setop,select.dropdown-logic,select.dropdown-complexity{white-space:nowrap!important;display:inline-block!important}*{word-wrap:break-word}.katex .mord,.katex .mrel,.katex .mbin{word-break:break-all!important;overflow-wrap:anywhere!important}.katex .mord.text,.katex .mord.text .mord,.katex .mtext{white-space:normal!important;word-break:break-all!important;overflow-wrap:anywhere!important;word-spacing:normal!important;max-width:100%!important}.katex .katex-html .base .mord.text .mord{white-space:pre-wrap!important;word-break:break-word!important;overflow-wrap:anywhere!important;max-width:100%!important;display:inline!important}.katex .mord.text .mord:before{white-space:normal!important}.katex *{word-break:break-word!important;overflow-wrap:anywhere!important;white-space:normal!important}@keyframes fadeIn{0%{opacity:0;transform:translateY(.625rem)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}.animate-fade-in{animation:fadeIn .3s ease-out}.animate-slide-in{animation:slideIn .3s ease-out}._navigationHeader_bv6tv_1{background:var(--color-canvas-subtle);border-bottom:1px solid var(--color-border-default);padding:.75rem 0;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}._navContainer_bv6tv_11{max-width:87.5rem;margin:0 auto;padding:0 1rem;display:flex;justify-content:space-between;align-items:center}._logo_bv6tv_20{display:flex;flex-direction:column;gap:.125rem}._logo_bv6tv_20 h2{margin:0;color:var(--color-accent-fg);font-size:1.5rem;font-weight:700;line-height:1.2}._subtitle_bv6tv_34{color:var(--color-fg-muted);font-size:.8rem;font-weight:500;margin-left:.25rem}._navTabs_bv6tv_41{display:flex;gap:.5rem}._navTab_bv6tv_41{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;border-radius:.5rem;text-decoration:none;color:var(--color-fg-muted);font-weight:500;font-size:.9rem;transition:all .2s ease;border:1px solid transparent}._navTab_bv6tv_41:hover{color:var(--color-fg-default);background:var(--color-canvas-default);border-color:var(--color-border-default);text-decoration:none}._navTab_bv6tv_41._active_bv6tv_67{color:var(--color-accent-fg);background:var(--color-accent-subtle);border-color:var(--color-accent-fg)}._navTab_bv6tv_41._active_bv6tv_67:hover{color:var(--color-accent-fg);background:var(--color-accent-muted)}._tabIcon_bv6tv_78{font-size:1.1rem;display:flex;align-items:center}@media (max-width: 768px){._navContainer_bv6tv_11{flex-direction:column;gap:1rem;padding:0 .5rem}._logo_bv6tv_20 h2{font-size:1.25rem;text-align:center}._navTabs_bv6tv_41{width:100%;justify-content:center}._navTab_bv6tv_41{flex:1;justify-content:center;padding:.5rem 1rem;font-size:.85rem}}@media (max-width: 480px){._navTab_bv6tv_41 span:not(._tabIcon_bv6tv_78){display:none}._tabIcon_bv6tv_78{font-size:1.3rem}}._errorTooltipWrapper_6oej3_2{position:absolute;top:50%;right:1.5rem;transform:translateY(-50%);display:inline-block;z-index:1001}._errorIndicator_6oej3_11{display:inline-flex;align-items:center;justify-content:center;width:var(--indicator-size, 1.75rem);height:var(--indicator-size, 1.75rem);cursor:pointer;border-radius:50%;background-color:#f8514926;border:.0625rem solid var(--color-danger-emphasis);transition:var(--transition-smooth, all .2s cubic-bezier(.3, 0, .5, 1));animation:_pulseWarning_6oej3_1 2s infinite;color:var(--color-danger-emphasis)}._errorIndicator_6oej3_11 svg{display:block;flex-shrink:0}._errorIndicator_6oej3_11:hover{background-color:#f8514940;color:var(--color-danger-fg);transform:scale(1.05);animation:none}@keyframes _pulseWarning_6oej3_1{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.05)}}._errorTooltip_6oej3_2{position:absolute;bottom:100%;right:0;margin-bottom:var(--gap-md, .75rem);width:18.75rem;max-width:calc(100vw - 2.5rem);background-color:var(--color-canvas-subtle);border:.0625rem solid var(--color-danger-emphasis);border-radius:var(--radius-md, .5rem);box-shadow:var(--shadow-lg, 0 .5rem 2rem rgba(0, 0, 0, .3)),0 .25rem 1rem #f8514933;z-index:10000;opacity:0;visibility:hidden;transform:translateY(.625rem) scale(.95);transition:var(--transition-smooth, all .2s cubic-bezier(.3, 0, .5, 1));pointer-events:none}._errorTooltipWrapper_6oej3_2:hover ._errorTooltip_6oej3_2{opacity:1;visibility:visible;transform:translateY(0) scale(1);pointer-events:auto}._errorTooltipArrow_6oej3_76{position:absolute;top:100%;right:.375rem;width:0;height:0;border-left:.5rem solid transparent;border-right:.5rem solid transparent;border-top:.5rem solid var(--color-danger-emphasis)}._errorTooltipArrow_6oej3_76:after{content:"";position:absolute;top:-.5625rem;left:-.4375rem;width:0;height:0;border-left:.4375rem solid transparent;border-right:.4375rem solid transparent;border-top:.4375rem solid var(--color-canvas-subtle)}._errorTooltipContent_6oej3_99{padding:var(--padding-lg, .75rem 1rem);color:var(--color-fg-default);font-size:var(--text-base, .8125rem);line-height:1.4}._errorTooltipContent_6oej3_99 strong{color:var(--color-danger-fg);display:block;margin-bottom:var(--gap-sm, .5rem);font-size:var(--text-md, .875rem)}@media (max-width: 48rem){._errorTooltipWrapper_6oej3_2{right:1.125rem}._errorTooltip_6oej3_2{right:-3.125rem;width:17.5rem;left:auto}._errorTooltipArrow_6oej3_76{right:3.75rem}}._loadingState_1ia3o_2{text-align:center;padding:3.75rem 1.25rem;color:var(--color-fg-muted)}._loadingState_1ia3o_2 h2{color:var(--color-fg-default);margin-bottom:.625rem}._loadingSpinner_1ia3o_14{display:inline-block;width:1.25rem;height:1.25rem;border:.1875rem solid var(--color-border-muted);border-top:.1875rem solid var(--color-accent-fg);border-radius:50%;animation:_spin_1ia3o_1 1s linear infinite}@keyframes _spin_1ia3o_1{0%{transform:rotate(0)}to{transform:rotate(360deg)}}._errorBanner_1ia3o_30{background-color:#f8514926;color:var(--color-danger-fg);border:.0625rem solid var(--color-danger-emphasis);padding:var(--padding-lg, .75rem 1.125rem);border-radius:var(--radius-md, .5rem);margin:var(--gap-md, .75rem) 0;font-size:var(--text-md, .875rem);font-weight:500;text-align:center;box-shadow:var(--color-primer-shadow-inset);transition:var(--transition-smooth, all .2s cubic-bezier(.3, 0, .5, 1))}._techInfo_1ia3o_45{font-size:var(--text-sm, .75rem);opacity:.7;margin-top:.3125rem;color:var(--color-fg-muted)}._dictionary-modal-overlay_rmp4d_1{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}._dictionary-modal_rmp4d_1{background:var(--color-canvas-default);border:1px solid var(--color-border-default);border-radius:12px;width:90vw;max-width:800px;max-height:80vh;overflow:hidden;box-shadow:0 20px 60px #00000080;animation:_modalSlideIn_rmp4d_1 .3s ease-out}@keyframes _modalSlideIn_rmp4d_1{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}._dictionary-header_rmp4d_38{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--color-border-default);background:var(--color-canvas-subtle)}._dictionary-header_rmp4d_38 h2{margin:0;color:var(--color-accent-fg);font-size:1.5rem}._close-btn_rmp4d_53{background:none;border:none;font-size:2rem;color:var(--color-fg-muted);cursor:pointer;padding:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}._close-btn_rmp4d_53:hover{background:var(--color-danger-emphasis);color:#fff;transform:scale(1.1)}._dictionary-content_rmp4d_75{padding:1.5rem;max-height:calc(80vh - 100px);overflow:hidden}._search-section_rmp4d_81{margin-bottom:1.5rem}._search-input_rmp4d_85{width:100%;padding:12px 16px;font-size:1rem;border:1px solid var(--color-border-default);border-radius:8px;background:var(--color-canvas-subtle);color:var(--color-fg-default);margin-bottom:.5rem}._search-input_rmp4d_85:focus{outline:none;border-color:var(--color-accent-fg);box-shadow:0 0 0 2px #2f81f733}._search-section_rmp4d_81 small{color:var(--color-fg-muted);font-style:italic}._selected-term_rmp4d_107{background:var(--color-canvas-subtle);padding:1.5rem;border-radius:8px;border:1px solid var(--color-border-default)}._selected-term_rmp4d_107 h3{margin-top:0;color:var(--color-accent-fg);font-size:1.5rem}._selected-term_rmp4d_107 p{font-size:1.1rem;line-height:1.6;margin-bottom:1rem}._selected-term_rmp4d_107 button{background:var(--color-accent-emphasis);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:.9rem;transition:background-color .2s ease}._selected-term_rmp4d_107 button:hover{background:var(--color-accent-fg)}._terms-count_rmp4d_141{color:var(--color-fg-muted);font-size:.9rem;margin-bottom:1rem;text-align:center}._terms-grid_rmp4d_148{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem;max-height:calc(80vh - 280px);overflow-y:auto;padding-right:4px}._term-item_rmp4d_157{background:var(--color-canvas-subtle);padding:1rem;border-radius:8px;border:1px solid var(--color-border-default);cursor:pointer;transition:all .2s ease}._term-item_rmp4d_157:hover{background:var(--color-accent-subtle);border-color:var(--color-accent-fg);transform:translateY(-2px);box-shadow:0 4px 12px #0003}._term-item_rmp4d_157 strong{display:block;color:var(--color-accent-fg);font-size:1.1rem;margin-bottom:.5rem}._term-item_rmp4d_157 p{color:var(--color-fg-muted);font-size:.9rem;line-height:1.4;margin:0}@media (max-width: 768px){._dictionary-modal_rmp4d_1{width:95vw;max-height:90vh}._dictionary-header_rmp4d_38,._dictionary-content_rmp4d_75{padding:1rem}._terms-grid_rmp4d_148{grid-template-columns:1fr;max-height:calc(90vh - 250px)}._term-item_rmp4d_157{padding:.75rem}}._terms-grid_rmp4d_148::-webkit-scrollbar{width:8px}._terms-grid_rmp4d_148::-webkit-scrollbar-track{background:var(--color-canvas-default);border-radius:4px}._terms-grid_rmp4d_148::-webkit-scrollbar-thumb{background:var(--color-border-default);border-radius:4px}._terms-grid_rmp4d_148::-webkit-scrollbar-thumb:hover{background:var(--color-border-muted)}._floating-help-btn_1xcix_1{position:fixed;bottom:2rem;right:2rem;width:60px;height:60px;border-radius:50%;background:var(--color-accent-emphasis);border:none;color:#fff;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px #2f81f74d;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:999;-webkit-user-select:none;user-select:none;outline:none}._floating-help-btn_1xcix_1:hover{transform:scale(1.1) translateY(-2px);background:var(--color-accent-fg);box-shadow:0 8px 25px #2f81f780}._floating-help-btn_1xcix_1:active{transform:scale(.95);transition-duration:.1s}._floating-help-btn_1xcix_1:before{content:"";position:absolute;top:50%;left:50%;width:100%;height:100%;border-radius:50%;background:var(--color-accent-fg);transform:translate(-50%,-50%);z-index:-1;animation:_pulse_1xcix_1 2s infinite;opacity:.4}@keyframes _pulse_1xcix_1{0%{transform:translate(-50%,-50%) scale(1);opacity:.4}50%{transform:translate(-50%,-50%) scale(1.3);opacity:.1}to{transform:translate(-50%,-50%) scale(1);opacity:.4}}@media (max-width: 768px){._floating-help-btn_1xcix_1{bottom:1rem;right:1rem;width:50px;height:50px;font-size:1.2rem}}@media (prefers-reduced-motion: reduce){._floating-help-btn_1xcix_1{transition:none}._floating-help-btn_1xcix_1:before{animation:none}._floating-help-btn_1xcix_1:hover{transform:none}}._statusIndicator_17y6e_1{position:fixed;top:1rem;right:1rem;z-index:900;cursor:help;transition:all .3s 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var(--color-border-default);border-radius:.75rem;padding:2rem;height:fit-content}._stats-grid_1j2y7_171{display:grid;gap:1rem}._stat-card_1j2y7_176{background:var(--color-canvas-default);border:1px solid var(--color-border-default);border-radius:.5rem;padding:1.5rem;text-align:center}._stat-number_1j2y7_184{font-size:2rem;font-weight:700;color:var(--color-accent-fg);margin-bottom:.5rem}._stat-label_1j2y7_191{color:var(--color-fg-muted);font-size:.9rem;font-weight:500}._quick-actions_1j2y7_96{grid-column:1 / -1;background:var(--color-canvas-subtle);border:1px solid var(--color-border-default);border-radius:.75rem;padding:2rem}._action-list_1j2y7_205{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem}._action-item_1j2y7_211{display:flex;align-items:center;gap:1rem;padding:1.25rem;background:var(--color-canvas-default);border:1px solid var(--color-border-default);border-radius:.5rem;cursor:pointer;transition:all .2s ease;text-align:left}._action-item_1j2y7_211:hover{background:var(--color-accent-subtle);border-color:var(--color-accent-fg);transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}._action-icon_1j2y7_231{font-size:1.5rem;flex-shrink:0}._action-title_1j2y7_236{font-weight:600;color:var(--color-fg-default);margin-bottom:.25rem}._action-desc_1j2y7_242{font-size:.85rem;color:var(--color-fg-muted)}@media (max-width: 1024px){._content-grid_1j2y7_80{grid-template-columns:1fr}}@media (max-width: 768px){._educator-page_1j2y7_1{padding:1rem .5rem}._page-header_1j2y7_8 h1{font-size:2rem}._puzzle-manager_1j2y7_87,._statistics_1j2y7_95,._quick-actions_1j2y7_96{padding:1.5rem}._manager-actions_1j2y7_104{flex-direction:column}._primary-btn_1j2y7_111,._secondary-btn_1j2y7_129{width:100%;justify-content:center}._action-list_1j2y7_205{grid-template-columns:1fr}._action-item_1j2y7_211{padding:1rem}}@media (max-width: 480px){._educator-page_1j2y7_1{padding:.5rem .25rem}._page-header_1j2y7_8{margin-bottom:2rem;padding-bottom:1rem}._page-header_1j2y7_8 h1{font-size:1.75rem}._content-grid_1j2y7_80{gap:1rem}}.App{min-height:100vh;background:linear-gradient(135deg,#0d1117,#161b22);color:#f0f6fc;display:flex;flex-direction:column}.container{flex:1;width:var(--content-width-preferred, 85%);max-width:var(--content-width-max, 87.5rem);min-width:var(--content-width-min, 80%);margin:0 auto;padding:var(--margin-lg, 1rem)}.app-footer{margin-top:auto;padding:2rem 1rem 1rem;border-top:1px solid #30363d;color:#8b949e;font-size:.9rem;text-align:center;background:var(--color-canvas-subtle)}.app-footer p{margin:0}@media (max-width: 768px){.container{width:var(--content-width-min, 80%);padding:var(--margin-lg, 1rem)}.app-footer{padding:1.5rem .5rem 1rem}}