:root{--color-charcoal:#242424;--color-midnight:#111;--color-mid-gray:#898989;--color-light-gray:#f5f5f5;--color-white:#fff;--color-link:#09f;--color-border-ring:#222a3514;--shadow-card:#131316b3 0px 1px 5px -4px, #222a3514 0px 0px 0px 1px, #222a350d 0px 4px 8px 0px;--shadow-card-soft:#2424240d 0px 4px 8px, #222a3514 0px 0px 0px 1px;--shadow-button-inset:#ffffff26 0px 2px 0px inset;--font-display:"Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;--font-body:"Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;--font-mono:"Roboto Mono", "SF Mono", Menlo, monospace}*{box-sizing:border-box}html,body{background:var(--color-white);color:var(--color-charcoal);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-size:16px;line-height:1.5}a{color:var(--color-link);text-decoration:none}a:hover{text-decoration:underline}.demo-page{min-height:100vh;position:relative}.demo-ui-lang-toggle{z-index:100;background:var(--color-white);box-shadow:var(--shadow-card);border-radius:9999px;padding:3px;display:inline-flex;position:fixed;top:20px;right:20px}.demo-ui-lang-btn{font-family:var(--font-body);letter-spacing:.5px;color:var(--color-mid-gray);cursor:pointer;background:0 0;border:none;border-radius:9999px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .15s}.demo-ui-lang-btn:hover{color:var(--color-charcoal)}.demo-ui-lang-btn--active{background:var(--color-charcoal);color:var(--color-white)}.demo-ui-lang-btn--active:hover{color:var(--color-white)}.demo-section{max-width:1200px;margin:0 auto;padding:96px 24px}.demo-section+.demo-section{padding-top:0}.demo-h1{font-family:var(--font-display);letter-spacing:0;color:var(--color-charcoal);margin:0 0 24px;font-size:64px;font-weight:600;line-height:1.1}.demo-h2{font-family:var(--font-display);letter-spacing:0;color:var(--color-charcoal);margin:0 0 16px;font-size:48px;font-weight:600;line-height:1.1}.demo-h3{font-family:var(--font-display);color:var(--color-charcoal);margin:0 0 8px;font-size:24px;font-weight:600;line-height:1.3}.demo-lead{font-family:var(--font-body);letter-spacing:-.2px;color:var(--color-mid-gray);max-width:640px;margin:0 0 32px;font-size:18px;font-weight:300;line-height:1.5}.demo-body{font-family:var(--font-body);color:var(--color-mid-gray);margin:0;font-size:16px;font-weight:400;line-height:1.5}.demo-eyebrow{font-family:var(--font-body);text-transform:uppercase;letter-spacing:1px;color:var(--color-mid-gray);margin:0 0 16px;font-size:12px;font-weight:500}.demo-hero{text-align:center;padding-top:120px;padding-bottom:80px}.demo-hero .demo-h1{margin-bottom:24px}.demo-hero .demo-lead{margin-left:auto;margin-right:auto}.demo-hero-actions{justify-content:center;gap:12px;margin-bottom:48px;display:flex}.demo-btn{height:40px;font-family:var(--font-body);cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:0 18px;font-size:14px;font-weight:500;text-decoration:none;transition:opacity .15s,background-color .15s;display:inline-flex}.demo-btn-primary{background:var(--color-charcoal);color:var(--color-white);box-shadow:var(--shadow-button-inset)}.demo-btn-primary:hover{opacity:.85;text-decoration:none}.demo-btn-ghost{background:var(--color-white);color:var(--color-charcoal);box-shadow:var(--shadow-card-soft)}.demo-btn-ghost:hover{background:var(--color-light-gray);text-decoration:none}.demo-install{flex-direction:column;align-items:stretch;gap:0;display:inline-flex}.demo-install-tabs{background:var(--color-light-gray);border-radius:8px;align-self:center;gap:2px;margin-bottom:8px;padding:3px;display:inline-flex}.demo-install-tab{font-family:var(--font-mono);color:var(--color-mid-gray);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:5px 14px;font-size:12px;font-weight:500;transition:all .15s}.demo-install-tab:hover{color:var(--color-charcoal)}.demo-install-tab--active{background:var(--color-white);color:var(--color-charcoal);box-shadow:var(--shadow-card-soft)}.demo-install-tab--active:hover{color:var(--color-charcoal)}.demo-code-inline{font-family:var(--font-mono);background:var(--color-white);color:var(--color-charcoal);box-shadow:var(--shadow-card-soft);border-radius:8px;align-items:center;gap:12px;padding:10px 18px;font-size:13px;font-weight:500;display:inline-flex}.demo-code-inline>span:before{content:"$ ";color:var(--color-mid-gray)}.demo-copy-btn{width:28px;height:28px;color:var(--color-mid-gray);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;padding:0;transition:background-color .15s,color .15s;display:inline-flex}.demo-copy-btn:hover{background:var(--color-light-gray);color:var(--color-charcoal)}.demo-copy-btn:active{background:#e4e4e4}.demo-code-block{font-family:var(--font-mono);background:var(--color-charcoal);color:#e4e4e7;white-space:pre;border-radius:12px;margin:0;padding:20px 24px;font-size:13px;font-weight:400;line-height:1.6;overflow-x:auto}.demo-card{background:var(--color-white);box-shadow:var(--shadow-card);border-radius:12px;padding:32px}.demo-playground{grid-template-columns:1fr 280px;align-items:start;gap:24px;display:grid}.demo-playground-main{background:var(--color-white);box-shadow:var(--shadow-card);border-radius:12px;padding:32px}.demo-playground-summary{background:var(--color-light-gray);font-family:var(--font-mono);color:var(--color-charcoal);word-break:break-word;border-radius:8px;margin-top:16px;padding:12px 16px;font-size:12px}.demo-options{background:var(--color-white);box-shadow:var(--shadow-card);border-radius:12px;padding:24px}.demo-option-group{margin-bottom:24px}.demo-option-group:last-child{margin-bottom:0}.demo-option-group-label{font-family:var(--font-body);text-transform:uppercase;letter-spacing:.8px;color:var(--color-mid-gray);margin-bottom:10px;font-size:11px;font-weight:600;display:block}.demo-option-row{color:var(--color-charcoal);justify-content:space-between;align-items:center;gap:12px;padding:6px 0;font-size:14px;display:flex}.demo-option-row label{cursor:pointer;flex:1;align-items:center;gap:8px;display:flex}.demo-option-row input[type=checkbox]{accent-color:var(--color-charcoal);margin:0}.demo-option-row select,.demo-option-row input[type=number]{font-family:var(--font-body);border:1px solid var(--color-border-ring);background:var(--color-white);color:var(--color-charcoal);cursor:pointer;border-radius:6px;padding:4px 8px;font-size:13px}.demo-option-row select:focus,.demo-option-row input[type=number]:focus{outline-offset:1px;outline:2px solid #3b82f680}.demo-option-row input[type=number]{width:56px}.demo-day-checks{flex-wrap:wrap;gap:6px;display:flex}.demo-day-checks label{background:var(--color-light-gray);cursor:pointer;border-radius:6px;align-items:center;gap:4px;padding:4px 8px;font-size:12px;display:inline-flex}.demo-output{grid-template-columns:1fr 1fr;align-items:start;gap:32px;display:grid}.demo-output-controls{gap:8px;margin-bottom:16px;display:flex}.demo-format-pill{font-family:var(--font-body);background:var(--color-white);color:var(--color-charcoal);box-shadow:var(--shadow-card-soft);cursor:pointer;border:none;border-radius:9999px;padding:6px 14px;font-size:13px;font-weight:500;transition:all .15s}.demo-format-pill--active{background:var(--color-charcoal);color:var(--color-white)}.demo-api-table-wrapper{background:var(--color-white);box-shadow:var(--shadow-card);border-radius:12px;overflow:hidden}.demo-api-table{border-collapse:collapse;width:100%;font-size:14px}.demo-api-table thead{background:var(--color-light-gray)}.demo-api-table th{text-align:left;font-family:var(--font-body);text-transform:uppercase;letter-spacing:.8px;color:var(--color-mid-gray);border-bottom:1px solid var(--color-border-ring);padding:12px 16px;font-size:12px;font-weight:600}.demo-api-table td{border-bottom:1px solid var(--color-border-ring);color:var(--color-charcoal);vertical-align:top;padding:14px 16px}.demo-api-table tbody tr:last-child td{border-bottom:none}.demo-api-table tbody tr:hover{background:var(--color-light-gray)}.demo-api-table tr.demo-api-category td{font-family:var(--font-display);color:var(--color-charcoal);letter-spacing:.2px;border-top:1px solid var(--color-border-ring);border-bottom:1px solid var(--color-border-ring);background:#fafafa;padding:10px 16px;font-size:13px;font-weight:600}.demo-api-table tr.demo-api-category:hover td{background:#fafafa}.demo-api-table tbody tr:first-child.demo-api-category td{border-top:none}.demo-api-table code{font-family:var(--font-mono);background:var(--color-light-gray);color:var(--color-charcoal);white-space:nowrap;border-radius:4px;padding:2px 6px;font-size:12.5px}.demo-api-table td:first-child code{font-weight:600}.demo-api-table td:nth-child(2){max-width:280px}.demo-api-table td:nth-child(2) code{white-space:normal;word-break:break-word}.demo-api-required{font-family:var(--font-body);text-transform:uppercase;letter-spacing:.5px;color:#d32f2f;font-size:11px;font-weight:600}.demo-lead code{font-family:var(--font-mono);background:var(--color-light-gray);color:var(--color-charcoal);border-radius:4px;padding:2px 6px;font-size:14px}.demo-footer{border-top:1px solid var(--color-border-ring);text-align:center;color:var(--color-mid-gray);padding:48px 24px;font-size:13px}.demo-footer-links{justify-content:center;gap:24px;margin-bottom:12px;display:flex}.demo-footer-links a{color:var(--color-charcoal)}@media (width<=768px){.demo-section{padding:64px 16px}.demo-h1{font-size:40px}.demo-h2{font-size:32px}.demo-playground,.demo-output{grid-template-columns:1fr}.demo-hero{padding-top:64px}.demo-api-table-wrapper{overflow-x:auto}.demo-api-table{min-width:720px}}:root{--rsp-color-primary:#2d6af6;--rsp-color-primary-light:#ecf1ff;--rsp-color-selected:#bbcaff;--rsp-color-selected-readonly:#d4d4d8;--rsp-color-border:#e4e4e7;--rsp-color-bg:#fff;--rsp-color-bg-header:#f4f4f5;--rsp-color-bg-label:#fafafa;--rsp-color-bg-hover:#efeff1;--rsp-color-text:#2c2c31;--rsp-color-text-sub:#71717a;--rsp-color-text-header:#1c1c20;--rsp-color-saturday:var(--rsp-color-primary);--rsp-color-sunday:#f04646;--rsp-cell-size:36px;--rsp-day-col-width:48px;--rsp-border-radius:8px;--rsp-font-family:inherit;--rsp-font-size-sm:12px;--rsp-font-size-md:14px;--rsp-preset-bg:var(--rsp-color-bg);--rsp-preset-bg-hover:var(--rsp-color-bg-hover);--rsp-preset-border:var(--rsp-color-border);--rsp-preset-text:var(--rsp-color-text);--rsp-preset-radius:9999px}.rsp-container{font-family:var(--rsp-font-family);flex-direction:column;gap:8px;display:flex}.rsp-toolbar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.rsp-toolbar-clear{margin-left:auto}.rsp-preset-button{font-size:var(--rsp-font-size-md);border:1px solid var(--rsp-preset-border);border-radius:var(--rsp-preset-radius);background-color:var(--rsp-preset-bg);color:var(--rsp-preset-text);cursor:pointer;white-space:nowrap;padding:2px 8px;line-height:1.6}.rsp-preset-button:hover{background-color:var(--rsp-preset-bg-hover)}.rsp-table-wrapper{-webkit-overflow-scrolling:touch;-webkit-user-select:none;user-select:none;overflow-x:auto}.rsp-table{border-collapse:separate;border-spacing:0;border:1px solid var(--rsp-color-border);border-radius:var(--rsp-border-radius);background-color:var(--rsp-color-bg);width:100%;overflow:hidden}.rsp-day-col{width:var(--rsp-day-col-width)}.rsp-header-row,.rsp-corner-cell{background-color:var(--rsp-color-bg-header)}.rsp-corner-cell--clickable{cursor:pointer}.rsp-corner-cell--clickable:hover{background-color:var(--rsp-color-bg-hover)}.rsp-header-cell{font-size:var(--rsp-font-size-sm);color:var(--rsp-color-text-header);text-align:center;cursor:pointer;touch-action:none;padding:6px 0;font-weight:400;line-height:1.6}.rsp-header-cell span{display:inline-block}.rsp-header-cell:hover{background-color:var(--rsp-color-bg-hover)}.rsp-day-label{font-size:var(--rsp-font-size-sm);color:var(--rsp-color-text-header);text-align:center;height:var(--rsp-cell-size);background-color:var(--rsp-color-bg-label);border-top:1px solid var(--rsp-color-border);cursor:pointer;touch-action:none;padding:0;font-weight:400;line-height:1}.rsp-day-label:hover{background-color:var(--rsp-color-bg-hover)}.rsp-cell{width:var(--rsp-cell-size);height:var(--rsp-cell-size);border-left:1px solid var(--rsp-color-border);border-top:1px solid var(--rsp-color-border);cursor:pointer;touch-action:none;-webkit-touch-callout:none;padding:0}.rsp-cell:hover,.rsp-cell--highlighted{background-color:var(--rsp-color-bg-hover)}.rsp-cell--selected{background-color:var(--rsp-color-selected)}.rsp-cell--selected:hover{background-color:var(--rsp-color-selected);filter:brightness(1.1)}.rsp-cell--disabled{background-color:var(--rsp-color-bg-header);cursor:not-allowed;background-image:repeating-linear-gradient(45deg, transparent, transparent 3px, var(--rsp-color-border) 3px, var(--rsp-color-border) 4px)}.rsp-cell--disabled:hover{background-color:var(--rsp-color-bg-header);background-image:repeating-linear-gradient(45deg, transparent, transparent 3px, var(--rsp-color-border) 3px, var(--rsp-color-border) 4px)}.rsp-cell--readonly{cursor:default}.rsp-cell--readonly:hover{background-color:#0000}.rsp-cell--readonly.rsp-cell--selected,.rsp-cell--readonly.rsp-cell--selected:hover{background-color:var(--rsp-color-selected-readonly)}.rsp-day-label--readonly,.rsp-header-cell--readonly{cursor:default}.rsp-day-label--readonly:hover{background-color:var(--rsp-color-bg-label)}.rsp-header-cell--readonly:hover{background-color:#0000}.rsp-container--disabled{pointer-events:none}.rsp-container--disabled .rsp-cell{background-color:var(--rsp-color-bg-header)}.rsp-container--disabled .rsp-cell--selected{background-color:var(--rsp-color-selected-readonly)}.rsp-container--disabled .rsp-header-cell,.rsp-container--disabled .rsp-day-label,.rsp-container--disabled .rsp-hour-label{color:var(--rsp-color-text-sub)}.rsp-container--disabled .rsp-preset-button{color:var(--rsp-color-text-sub);border-color:var(--rsp-color-border)}.rsp-hour-col{width:var(--rsp-day-col-width)}.rsp-hour-label{font-size:var(--rsp-font-size-sm);color:var(--rsp-color-text-header);text-align:center;height:var(--rsp-cell-size);background-color:var(--rsp-color-bg-label);border-top:1px solid var(--rsp-color-border);cursor:pointer;touch-action:none;padding:0;font-weight:400;line-height:1}.rsp-hour-label:hover{background-color:var(--rsp-color-bg-hover)}.rsp-hour-label--readonly{cursor:default}.rsp-hour-label--readonly:hover{background-color:var(--rsp-color-bg-label)}.rsp-header-cell--day{text-align:center}.rsp-header-cell--day span{transform:none}@media (width<=639px){.rsp-day-label{width:36px;font-size:var(--rsp-font-size-sm);padding:6px 0}.rsp-day-col{width:36px}.rsp-cell{width:30px;height:30px}}