:root{--bg: #f4f5f8;--surface: #ffffff;--surface-hover: #eef0f5;--border: #e0e3ea;--text: #1a1d26;--muted: #646b7a;--accent: #3f5ee8;--accent-soft: #e6eafd;--on-accent: #ffffff;--danger: #d0343f;--success: #17804a;--shadow: 0 8px 24px rgb(20 24 40 / 12%);--nav-width: 220px;--tabbar-height: 60px;color-scheme:light}:root[data-theme=dark]{--bg: #11131a;--surface: #1a1d27;--surface-hover: #242834;--border: #2c303d;--text: #e9ebf1;--muted: #9aa1b1;--accent: #7d94ff;--accent-soft: #262d4d;--on-accent: #10131c;--danger: #f2717a;--success: #52c68a;--shadow: 0 8px 24px rgb(0 0 0 / 45%);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Malgun Gothic,Apple SD Gothic Neo,sans-serif;font-size:15px;line-height:1.55;word-break:keep-all}h1,h2,p{margin:0}button,input{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.muted{color:var(--muted)}.button{border:1px solid transparent;border-radius:8px;padding:8px 14px;background:var(--surface-hover);cursor:pointer}.button:disabled{opacity:.6;cursor:default}.button.primary{background:var(--accent);color:var(--on-accent)}.button.danger{background:var(--danger);color:var(--on-accent)}.button.ghost{background:transparent;border-color:var(--border);color:var(--muted)}.button.ghost:hover{background:var(--surface-hover);color:var(--text)}.field{display:grid;gap:6px;font-size:14px}.field input{width:100%;border:1px solid var(--border);border-radius:8px;padding:10px 12px;background:var(--bg)}.form-error{color:var(--danger);font-size:14px}.center-screen{display:grid;place-items:center;min-height:100dvh;padding:16px}.login-card{display:grid;gap:16px;width:min(100%,360px);padding:32px 28px;background:var(--surface);border:1px solid var(--border);border-radius:14px}.login-card h1{font-size:26px}.login-card .muted{margin-top:-12px}.shell{display:grid;grid-template-columns:var(--nav-width) minmax(0,1fr);min-height:100dvh}.nav{position:sticky;top:0;display:flex;flex-direction:column;gap:4px;height:100dvh;padding:20px 12px;background:var(--surface);border-right:1px solid var(--border)}.nav-brand{padding:4px 12px 16px;font-size:20px;font-weight:700}.nav-item{display:flex;align-items:center;gap:10px;width:100%;border:0;border-radius:8px;padding:10px 12px;background:transparent;color:var(--muted);text-align:left;cursor:pointer}.nav-item svg{flex:none;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.nav-item:hover{background:var(--surface-hover);color:var(--text)}.nav-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.nav-footer{display:grid;gap:8px;margin-top:auto}.content{width:100%;max-width:1120px;margin:0 auto;padding:32px}.mobile-actions{display:none}.page-header{margin-bottom:24px}.page-header h1{font-size:24px}.widget-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.widget{display:grid;gap:6px;border:1px solid var(--border);border-radius:12px;padding:20px;background:var(--surface);text-align:left;cursor:pointer}.widget:hover{border-color:var(--accent)}.widget-value{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums}.widget-unit{margin-left:4px;color:var(--muted);font-size:15px;font-weight:400}.empty-state{display:grid;gap:6px;border:1px dashed var(--border);border-radius:12px;padding:48px 24px;text-align:center}.empty-state strong{font-size:16px}.toast-stack{position:fixed;z-index:30;top:16px;right:16px;display:grid;gap:8px;width:min(calc(100vw - 32px),340px)}.toast{border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:8px;padding:10px 14px;background:var(--surface);box-shadow:var(--shadow)}.toast.success{border-left-color:var(--success)}.toast.error{border-left-color:var(--danger)}.dialog-backdrop{position:fixed;z-index:20;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:16px;background:#00000073}.dialog{display:grid;gap:12px;width:min(100%,400px);border-radius:14px;padding:24px;background:var(--surface);box-shadow:var(--shadow)}.dialog h2{font-size:18px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}@media (max-width: 767px){.shell{display:block}.nav{position:fixed;z-index:10;inset:auto 0 0;flex-direction:row;gap:0;height:calc(var(--tabbar-height) + env(safe-area-inset-bottom));padding:0 0 env(safe-area-inset-bottom);border-top:1px solid var(--border);border-right:0}.nav-brand,.nav-footer{display:none}.nav-item{flex:1 1 0;flex-direction:column;justify-content:center;gap:2px;min-width:0;border-radius:0;padding:6px 2px;font-size:11px;text-align:center}.nav-item.active{background:transparent}.content{padding:16px 16px calc(var(--tabbar-height) + env(safe-area-inset-bottom) + 16px)}.mobile-actions{display:flex;justify-content:flex-end;gap:8px;margin-bottom:12px}.mobile-actions .button{padding:5px 10px;font-size:13px}}