:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#eff6ff;--color-secondary:#64748b;--color-secondary-hover:#475569;--color-success:#16a34a;--color-success-light:#f0fdf4;--color-danger:#dc2626;--color-danger-hover:#b91c1c;--color-danger-light:#fef2f2;--color-warning:#f59e0b;--color-warning-light:#fffbeb;--color-bg:#f8fafc;--color-surface:#ffffff;--color-border:#e2e8f0;--color-border-hover:#cbd5e1;--color-text:#0f172a;--color-text-secondary:#64748b;--color-text-muted:#94a3b8;--sidebar-width:260px;--header-height:64px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1),0 2px 4px -2px rgba(0,0,0,0.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1);--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--transition:150ms ease}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-bg);line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font-family:inherit;font-size:inherit}h1{font-size:1.875rem;font-weight:700;line-height:1.2}h2{font-size:1.5rem;font-weight:600;line-height:1.3}h3{font-size:1.25rem}h3,h4{font-weight:600;line-height:1.4}h4{font-size:1.125rem}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.text-center{text-align:center}.text-secondary{color:var(--color-text-secondary)}.text-muted{color:var(--color-text-muted)}.text-danger{color:var(--color-danger)}.text-success{color:var(--color-success)}.text-sm{font-size:.875rem}.w-full{width:100%}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.grid-2{grid-template-columns:repeat(2,1fr);grid-gap:var(--space-md)}.grid-2,.grid-3{display:grid;gap:var(--space-md)}.grid-3{grid-template-columns:repeat(3,1fr);grid-gap:var(--space-md)}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:var(--space-md);gap:var(--space-md)}@media (max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}.rich-text-editor__content{min-height:160px;padding:12px;outline:none;font-size:.875rem;line-height:1.6;color:var(--color-text)}.rich-text-editor__content p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;color:var(--color-text-muted);pointer-events:none;height:0}.rich-text-content blockquote,.rich-text-content ol,.rich-text-content p,.rich-text-content ul{margin:0 0 .75rem}.rich-text-content ol,.rich-text-content ul{padding-left:1.25rem}.rich-text-content h2,.rich-text-content h3{margin:0 0 .5rem;color:var(--color-text)}.rich-text-content a{color:var(--color-primary)}.rich-text-content blockquote{border-left:3px solid var(--color-border);padding-left:12px;color:var(--color-text-muted)}.date-picker-popover{padding:12px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.date-picker-header{display:flex;align-items:center;justify-content:space-between;gap:4px;margin-bottom:10px}.date-picker-month{flex:1 1;text-align:center;font-size:.875rem;font-weight:600;color:var(--color-text)}.date-picker-nav{border:none;background:transparent;color:var(--color-text-secondary);cursor:pointer;width:28px;height:28px;border-radius:var(--radius-sm);font-size:1rem;line-height:1}.date-picker-nav:hover{background:var(--color-primary-light);color:var(--color-primary)}.date-picker-grid,.date-picker-weekdays{display:grid;grid-template-columns:repeat(7,1fr);grid-gap:2px;gap:2px}.date-picker-weekdays{margin-bottom:4px}.date-picker-weekday{text-align:center;font-size:.6875rem;font-weight:600;color:var(--color-text-muted);padding:4px 0}.date-picker-day{border:none;background:transparent;border-radius:var(--radius-sm);height:34px;font-size:.8125rem;color:var(--color-text);cursor:pointer}.date-picker-day:hover:not(:disabled){background:var(--color-primary-light);color:var(--color-primary)}.date-picker-day--muted{color:var(--color-text-muted)}.date-picker-day--today{box-shadow:inset 0 0 0 1px var(--color-primary)}.date-picker-day--selected{background:var(--color-primary);color:#fff}.date-picker-day--selected:hover:not(:disabled){background:var(--color-primary-hover);color:#fff}.date-picker-day--disabled{opacity:.35;cursor:not-allowed}.date-picker-time{margin-top:10px;padding-top:10px;border-top:1px solid var(--color-border);display:flex;align-items:center;gap:10px}.date-picker-time-label{font-size:.8125rem;font-weight:500;color:var(--color-text-secondary);flex-shrink:0}.date-picker-time-controls{flex:1 1;display:flex;align-items:center;justify-content:center;gap:8px}.date-picker-time-spinner{display:flex;align-items:center;gap:4px}.date-picker-time-step{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-secondary);width:28px;height:32px;border-radius:var(--radius-sm);font-size:1rem;line-height:1;cursor:pointer;flex-shrink:0}.date-picker-time-step:hover{background:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary)}.date-picker-time-value{width:44px;min-height:32px;padding:4px 2px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem;font-weight:600;text-align:center;color:var(--color-text);background:var(--color-surface);-moz-appearance:textfield}.date-picker-time-value::-webkit-inner-spin-button,.date-picker-time-value::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.date-picker-time-value:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.date-picker-time-separator{font-size:1rem;font-weight:600;color:var(--color-text);line-height:1}.date-picker-meridiem{display:flex;gap:4px;margin-left:4px}.date-picker-meridiem-btn{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-secondary);min-width:42px;height:32px;border-radius:var(--radius-sm);font-size:.8125rem;font-weight:600;cursor:pointer}.date-picker-meridiem-btn--active,.date-picker-meridiem-btn:hover{background:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary)}.date-picker-footer{margin-top:10px;padding-top:10px;border-top:1px solid var(--color-border);display:flex;justify-content:center}.date-picker-footer--split{justify-content:space-between}.date-picker-today{border:none;background:transparent;color:var(--color-primary);font-size:.8125rem;font-weight:600;cursor:pointer;padding:4px 8px;border-radius:var(--radius-sm)}.date-picker-today:hover:not(:disabled){background:var(--color-primary-light)}.date-picker-today:disabled{opacity:.4;cursor:not-allowed}