:root{color-scheme:light;--color-bg: #f5f6f8;--color-surface: #ffffff;--color-border: #d9dde3;--color-text: #1f2430;--color-muted: #6b7280;--color-primary: #2454ff;--color-primary-dark: #1739c4;--color-error: #d93025;--color-success: #1a7f37;--color-sidebar-bg: #14172b;--color-sidebar-text: #b6b9ce;--color-portal-primary: #4338ca;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,-apple-system,BlinkMacSystemFont,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}input,select,textarea,button{font:inherit}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:32px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:14px;box-shadow:0 8px 24px #0000000f}.auth-card h1{font-size:18px;margin:0}.auth-subtitle{margin:-8px 0 8px;color:var(--color-muted);font-size:13px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--color-muted)}input,select,textarea{padding:10px 12px;border:1px solid var(--color-border);border-radius:8px;color:var(--color-text);background:var(--color-surface)}button{padding:10px 16px;border-radius:8px;border:none;background:var(--color-primary);color:#fff;cursor:pointer}button:hover:not(:disabled){background:var(--color-primary-dark)}button:disabled{opacity:.5;cursor:not-allowed}.error-text{color:var(--color-error);font-size:13px}.success-text{color:var(--color-success);font-size:13px}.empty-text,.hint-text{color:var(--color-muted);font-size:13px}.portal-shell{min-height:100vh;display:flex}.portal-sidebar{width:240px;flex-shrink:0;background:var(--color-sidebar-bg);color:var(--color-sidebar-text);padding:24px 16px;display:flex;flex-direction:column;gap:28px}.portal-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:#fff;padding:0 8px}.portal-logo-mark{font-size:20px}.portal-sidebar-nav{display:flex;flex-direction:column;gap:4px}.portal-sidebar-nav a{text-decoration:none;padding:10px 12px;border-radius:8px;font-size:14px;color:var(--color-sidebar-text)}.portal-sidebar-nav a:hover{background:#ffffff0f;color:#fff}.portal-sidebar-nav a.active{background:var(--color-portal-primary);color:#fff}.app-shell{flex:1;min-width:0;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;gap:20px;padding:12px 24px;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.app-title{color:var(--color-muted);text-decoration:none;font-size:13px}.app-title-main{font-weight:600;font-size:15px}.app-nav{display:flex;gap:16px;flex:1}.app-nav a{color:var(--color-muted);text-decoration:none;font-size:14px;padding:6px 4px;border-bottom:2px solid transparent}.app-nav a.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.app-user button{background:transparent;color:var(--color-muted);border:1px solid var(--color-border);padding:6px 12px}.app-main{flex:1;padding:24px;width:100%;min-width:0}.page h2{margin-top:0}.entry-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;background:#eef1f6;color:var(--color-muted)}.gantt-controls{display:flex;align-items:center;gap:16px;margin-bottom:12px;flex-wrap:wrap}.gantt-controls button{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);padding:6px 12px}.gantt-controls-range{font-weight:600}.range-picker{gap:10px}.range-field{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--color-muted)}.range-field input{font-size:14px;padding:5px 8px;border:1px solid var(--color-border);border-radius:6px;color:var(--color-text);background:var(--color-surface)}.range-tilde{color:var(--color-muted)}.range-picker button:disabled{opacity:.5;cursor:not-allowed}.gantt-span-toggle{display:flex;gap:4px;margin-left:auto}.gantt-span-toggle button.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.gantt{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:16px;overflow-x:auto}.gantt-scroll{min-width:640px}.gantt-header{display:flex;border-bottom:1px solid var(--color-border);padding-bottom:8px;margin-bottom:8px}.gantt-track-header{flex:1;display:flex}.gantt-header-stack{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.gantt-track-band .gantt-tick-col{font-weight:600;color:var(--color-text)}.gantt-unit-label{font-weight:400;font-size:11px;color:var(--color-muted);justify-content:flex-end}.gantt-tick-col{font-size:12px;color:var(--color-muted);text-align:left;border-left:1px solid var(--color-border);padding-left:6px;box-sizing:border-box;min-width:0;white-space:nowrap;overflow:hidden}.gantt-row-label{width:200px;flex-shrink:0;font-size:13px;font-weight:600;padding-right:12px;display:flex;flex-direction:column;gap:2px;overflow:hidden}.gantt-row-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gantt-row-sublabel{font-weight:400;font-size:11px;color:var(--color-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gantt-row{display:flex;align-items:center;min-height:44px;border-bottom:1px solid #f0f1f5}.gantt-row-clickable{cursor:pointer;border-radius:6px}.gantt-row-clickable:hover,.gantt-row-clickable:focus-visible{background:#eef1f6;outline:none}.gantt-track{flex:1;position:relative;height:20px}.gantt-tick-line{position:absolute;top:-12px;bottom:-12px;width:1px;background:#f0f1f5}.gantt-today-line{position:absolute;top:-12px;bottom:-12px;width:2px;background:#e2574c;opacity:.8}.gantt-bar{position:absolute;top:0;height:20px;min-width:6px;border-radius:10px;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-dark))}.gantt-milestone{position:absolute;top:6px;width:8px;height:8px;border-radius:50%;background:#fff;border:2px solid var(--color-primary-dark);transform:translate(-50%)}.gantt-milestone.long{border-radius:2px;transform:translate(-50%) rotate(45deg);background:#ffb020;border-color:#b97400}