:root{--bg: #f5f5f5;--surface: #ffffff;--surface-alt: #fafafa;--surface-hover: #f0f0f0;--border: #e0e0e0;--border-strong: #d1d1d1;--text: #242424;--text-subtle: #616161;--accent: #0f4c81;--accent-hover: #0b3c66;--accent-text: #ffffff;--accent-soft: #e8f0f7;--accent-on-soft: #0f4c81;--info-bg: #e8f0f7;--info-border: #b4cde3;--info-icon: #0f4c81;--warn-bg: #fff9f5;--warn-border: #fdcfb4;--warn-icon: #bc4b09;--error-bg: #fdf3f4;--error-border: #eeacb2;--error-icon: #b10e1c;--success-bg: #f1faf1;--success-border: #9fd89f;--success-icon: #107c10;--shadow: 0 1px 2px rgba(0, 0, 0, .08), 0 0 2px rgba(0, 0, 0, .06);--focus: #0f4c81;--radius: 8px;--radius-control: 4px;--gap: 16px;color-scheme:light}:root[data-theme=dark]{--bg: #1f1f1f;--surface: #292929;--surface-alt: #2e2e2e;--surface-hover: #333333;--border: #3d3d3d;--border-strong: #525252;--text: #ffffff;--text-subtle: #adadad;--accent: #6ea8dc;--accent-hover: #8bbce6;--accent-text: #0b1f33;--accent-soft: #1c2f42;--accent-on-soft: #9cc6ec;--info-bg: #1c2f42;--info-border: #2f4f6e;--info-icon: #8bbce6;--warn-bg: #411200;--warn-border: #8a3707;--warn-icon: #faa06b;--error-bg: #3f1011;--error-border: #6e0811;--error-icon: #dc626d;--success-bg: #052505;--success-border: #107c10;--success-icon: #54b054;--shadow: 0 1px 2px rgba(0, 0, 0, .28), 0 0 2px rgba(0, 0, 0, .24);--focus: #8bbce6;color-scheme:dark}:root[data-theme=contrast]{--bg: #000000;--surface: #000000;--surface-alt: #000000;--surface-hover: #1a1a1a;--border: #ffffff;--border-strong: #ffffff;--text: #ffffff;--text-subtle: #ffffff;--accent: #ffff01;--accent-hover: #ffff01;--accent-text: #000000;--accent-soft: #000000;--accent-on-soft: #ffff01;--info-bg: #000000;--info-border: #ffffff;--info-icon: #ffff01;--warn-bg: #000000;--warn-border: #ffffff;--warn-icon: #ffff01;--error-bg: #000000;--error-border: #ffffff;--error-icon: #ffff01;--success-bg: #000000;--success-border: #ffffff;--success-icon: #ffff01;--shadow: none;--focus: #ffff01;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI Variable Text,Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px;line-height:20px;-webkit-font-smoothing:antialiased}h1,h2,p{margin:0}.icon{flex-shrink:0}.shell{max-width:960px;margin:0 auto;padding:24px 24px 48px;display:flex;flex-direction:column;gap:var(--gap)}.shell-center{min-height:100vh;justify-content:center}.stack{display:flex;flex-direction:column;gap:var(--gap)}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.row-between{justify-content:space-between}.row-center{justify-content:center}.subtle{color:var(--text-subtle)}.footnote{font-size:12px;line-height:16px}.header{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:var(--accent);color:var(--accent-text);flex-shrink:0}.header h1{font-size:20px;line-height:28px;font-weight:600}.header .subtle{font-size:12px;line-height:16px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:none}.tab{position:relative;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:none;color:var(--text-subtle);cursor:pointer;font:inherit;padding:10px 12px 12px;white-space:nowrap}.tab:hover{color:var(--text)}.tab-active{color:var(--text);font-weight:600}.tab-active:after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px;display:flex;flex-direction:column;gap:var(--gap);min-width:0}.card-quiet{background:var(--surface-alt);box-shadow:none}.card-head{display:flex;flex-direction:column;gap:4px}.card h2{display:flex;align-items:center;gap:8px;font-size:16px;line-height:22px;font-weight:600}.count{background:var(--accent-soft);color:var(--accent-on-soft);border-radius:999px;font-size:12px;line-height:16px;font-weight:600;padding:2px 8px}.request-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(220px,1fr);gap:var(--gap);align-items:start}.steps{list-style:none;margin:0;padding:0;counter-reset:step;display:flex;flex-direction:column;gap:14px}.steps li{counter-increment:step;display:grid;grid-template-columns:24px 1fr;column-gap:10px;row-gap:2px}.steps li:before{content:counter(step);grid-row:span 2;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--accent-soft);border:1px solid var(--info-border);color:var(--accent-on-soft);font-size:12px;font-weight:600}.steps strong{font-weight:600}.steps .subtle{font-size:12px;line-height:16px}.field{display:flex;flex-direction:column;gap:6px}.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}.label{font-weight:600;font-size:14px}.input,.textarea,select.input{width:100%;background:var(--surface);border:1px solid var(--border-strong);border-bottom-color:var(--text-subtle);border-radius:var(--radius-control);color:var(--text);font:inherit;padding:7px 10px;min-height:32px}.textarea{resize:vertical;min-height:160px;line-height:20px}.input::placeholder,.textarea::placeholder{color:var(--text-subtle);opacity:.8}.input:hover,.textarea:hover{border-color:var(--text-subtle)}.input:focus,.textarea:focus{outline:none;border-bottom:2px solid var(--accent)}.textarea:focus{padding-bottom:6px}.input:disabled,.textarea:disabled{background:var(--surface-alt);border-color:var(--border);color:var(--text-subtle);cursor:not-allowed}.search{position:relative;flex:1 1 240px;display:flex;align-items:center;color:var(--text-subtle)}.search .icon{position:absolute;left:10px;pointer-events:none}.search .input{padding-left:32px}.button{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:32px;background:var(--accent);border:1px solid var(--accent);border-radius:var(--radius-control);color:var(--accent-text);cursor:pointer;font:inherit;font-weight:600;padding:5px 14px;white-space:nowrap}.button:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.button:disabled{background:var(--surface-hover);border-color:var(--border);color:var(--text-subtle);cursor:not-allowed}.button-subtle{background:var(--surface);border-color:var(--border-strong);color:var(--text)}.button-subtle:hover:not(:disabled){background:var(--surface-hover);border-color:var(--border-strong)}.button-small{min-height:28px;padding:3px 10px;font-weight:400}.button:focus-visible,.tab:focus-visible,.list-item-button:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.notice{display:flex;align-items:flex-start;gap:10px;background:var(--info-bg);border:1px solid var(--info-border);border-radius:var(--radius);padding:10px 14px}.notice-icon{display:flex;padding-top:0;color:var(--info-icon)}.notice-body{display:flex;flex-direction:column;gap:2px;min-width:0}.notice-title{font-weight:600}.notice-warn{background:var(--warn-bg);border-color:var(--warn-border)}.notice-warn .notice-icon{color:var(--warn-icon)}.notice-error{background:var(--error-bg);border-color:var(--error-border)}.notice-error .notice-icon{color:var(--error-icon)}.notice-success{background:var(--success-bg);border-color:var(--success-border)}.notice-success .notice-icon{color:var(--success-icon)}.list{list-style:none;margin:0 -12px;padding:0;display:flex;flex-direction:column}.list-row+.list-row{border-top:1px solid var(--border)}.list-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px}.list-item-button{width:100%;background:none;border:none;border-radius:6px;color:inherit;cursor:pointer;font:inherit;margin:0;text-align:left}.list-item-button:hover{background:var(--surface-hover)}.list-item-button:hover .open-chat{text-decoration:underline}.list-main{display:flex;flex-direction:column;gap:2px;min-width:0}.list-side{display:flex;align-items:center;gap:16px;flex-shrink:0}.ticket-id{color:var(--text-subtle);font-variant-numeric:tabular-nums;font-size:12px;line-height:16px;font-weight:600}.ticket-summary{overflow-wrap:anywhere;font-weight:600}.list .subtle{font-size:12px;line-height:16px}.open-chat{display:inline-flex;align-items:center;gap:4px;color:var(--accent-on-soft);font-weight:600;white-space:nowrap}.pill{background:var(--accent-soft);border:1px solid var(--info-border);border-radius:999px;color:var(--accent-on-soft);font-size:12px;line-height:16px;font-weight:600;padding:2px 10px;white-space:nowrap}.pill-closed{background:var(--surface-hover);border-color:var(--border);color:var(--text-subtle)}.empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px 12px;color:var(--text-subtle);text-align:center}.state-panel{align-items:center;text-align:center;gap:12px;max-width:520px;margin:0 auto;padding:32px 24px}.state-panel h1{font-size:20px;line-height:28px;font-weight:600}.state-panel .subtle{max-width:420px}.state-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:50%}.state-icon-success{background:var(--success-bg);border:1px solid var(--success-border);color:var(--success-icon)}.state-icon-error{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-icon)}.skeleton-header,.skeleton-block{background:linear-gradient(90deg,var(--surface-hover),var(--border),var(--surface-hover));background-size:200% 100%;border-radius:var(--radius);animation:shimmer 1.4s ease-in-out infinite}.skeleton-header{height:40px;width:240px}.skeleton-block{height:120px}:root[data-theme=contrast] .skeleton-header,:root[data-theme=contrast] .skeleton-block{background:none;border:1px solid var(--border);animation:none}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(prefers-reduced-motion:reduce){.skeleton-header,.skeleton-block{animation:none}}@media(max-width:720px){.request-layout,.field-row{grid-template-columns:minmax(0,1fr)}}@media(max-width:520px){.shell{padding:16px 16px 40px}.card{padding:16px}.list-item{flex-direction:column;align-items:flex-start;gap:8px}.list-side{gap:12px}}