:root{--bg: #f8fafc;--surface: #ffffff;--surface-alt: #f1f5f9;--primary: #4f46e5;--primary-hover: #4338ca;--primary-light: #e0e7ff;--danger: #ef4444;--danger-light: #fee2e2;--success: #22c55e;--success-light: #f0fdf4;--warning: #f97316;--warning-light: #fff7ed;--text: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--nav-bg: #1e1b4b;--nav-text: #c7d2fe;--radius-sm: .375rem;--radius: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .06);--sidebar-w: 220px;--topbar-h: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}#root{min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:1.75rem;font-weight:700;line-height:1.2}h2{font-size:1.25rem;font-weight:600;line-height:1.3}h3{font-size:1rem;font-weight:600}label{display:block;font-size:.875rem;font-weight:500;color:var(--text-muted);margin-bottom:.375rem}input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],select,textarea{font-family:inherit;font-size:.9375rem;line-height:1.5;color:var(--text);background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:.5625rem .75rem;width:100%;transition:border-color .15s,box-shadow .15s;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51f}select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .625rem center;padding-right:2.25rem}.field{margin-bottom:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.375rem;font-family:inherit;font-size:.875rem;font-weight:500;line-height:1;padding:.5625rem 1.125rem;border-radius:var(--radius);border:1.5px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s,transform .1s;white-space:nowrap;text-decoration:none!important;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.55;cursor:not-allowed}.btn:active:not(:disabled){transform:scale(.97)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}.btn-danger{background:transparent;color:var(--danger);border-color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger-light)}.btn-ghost{background:transparent;color:var(--text-muted);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:var(--surface-alt);color:var(--text)}.btn-full{width:100%}.btn-sm{font-size:.8125rem;padding:.375rem .75rem}.card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);padding:1.5rem;margin-bottom:1.25rem}.item-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.875rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:.5rem;transition:box-shadow .15s}.item-row:hover{box-shadow:var(--shadow)}.item-row-overdue{border-left:3px solid var(--danger)}.badge{display:inline-flex;align-items:center;font-size:.7rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:.2rem .55rem;border-radius:9999px}.badge-pending{background:var(--warning-light);color:#c2410c}.badge-completed{background:var(--success-light);color:#15803d}.badge-overdue{background:var(--danger-light);color:#b91c1c}.badge-neutral{background:var(--surface-alt);color:var(--text-muted)}.badge-active{background:var(--success-light);color:#15803d}.badge-inactive{background:var(--surface-alt);color:var(--text-muted)}.filter-tabs{display:flex;gap:.5rem;margin-bottom:1.25rem;flex-wrap:wrap}.filter-tab{font-family:inherit;font-size:.875rem;font-weight:500;padding:.375rem 1rem;border-radius:9999px;border:1.5px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:all .15s}.filter-tab:hover{border-color:var(--primary);color:var(--primary)}.filter-tab-active{background:var(--primary);border-color:var(--primary);color:#fff}.page{max-width:860px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.75rem;gap:1rem}.section-label{font-size:.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:.75rem}.member-list{margin:0;padding:0;list-style:none}.member-item{display:flex;align-items:center;gap:.75rem;padding:.625rem 0;border-bottom:1px solid var(--border)}.member-item:last-child{border-bottom:none}.member-info{flex:1;min-width:0}.member-stats{display:flex;gap:.375rem;flex-wrap:wrap;align-items:center;margin-top:.3rem}.avatar{width:34px;height:34px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8125rem;flex-shrink:0;text-transform:uppercase}.alert{padding:.75rem 1rem;border-radius:var(--radius);font-size:.875rem;margin-bottom:1rem}.alert-error{background:var(--danger-light);color:#b91c1c}.alert-info{background:var(--primary-light);color:#3730a3;border:1px solid #a5b4fc}.empty{text-align:center;padding:2.5rem 1rem;color:var(--text-muted);font-size:.9375rem}.divider{border:none;border-top:1px solid var(--border);margin:1.25rem 0}.invite-box{background:var(--primary-light);border:1px solid #a5b4fc;border-radius:var(--radius);padding:.875rem 1rem;margin-top:.875rem;color:#3730a3;font-size:.875rem}.invite-box code{display:block;margin-top:.375rem;word-break:break-all;font-size:.8125rem}.invite-box small{display:block;margin-top:.375rem;opacity:.75;font-size:.75rem}.app-wrapper{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--nav-bg);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform .25s ease;overflow-y:auto}.sidebar-brand{font-size:1.0625rem;font-weight:800;color:#fff;padding:1.25rem 1.25rem 1rem;letter-spacing:-.02em}.sidebar-nav{flex:1;padding:.25rem .625rem;display:flex;flex-direction:column;gap:.125rem}.nav-item{display:flex;align-items:center;padding:.5625rem .75rem;border-radius:var(--radius);color:var(--nav-text);font-size:.9375rem;font-weight:500;text-decoration:none!important;transition:background .15s,color .15s}.nav-item:hover{background:#ffffff14;color:#fff;text-decoration:none}.nav-item-active{background:#ffffff24;color:#fff}.sidebar-footer{padding:1rem 1.25rem;border-top:1px solid rgba(255,255,255,.1);margin-top:auto}.user-row{display:flex;align-items:center;gap:.625rem;margin-bottom:.75rem}.user-avatar-sm{width:30px;height:30px;border-radius:50%;background:#ffffff1f;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.75rem;flex-shrink:0}.user-name-btn{background:none;border:none;padding:0;color:#fff;font-size:.875rem;font-weight:500;cursor:pointer;text-align:left;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:135px}.user-name-btn:hover{color:var(--nav-text)}.user-email-sm{font-size:.7rem;color:#c7d2fea6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:135px}.sidebar-edit-form{display:flex;flex-direction:column;gap:.5rem}.sidebar-edit-form input{font-size:.875rem;padding:.375rem .625rem;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:var(--radius-sm);width:100%}.sidebar-edit-form input::placeholder{color:#ffffff59}.sidebar-edit-form input:focus{border-color:#a5b4fc;box-shadow:0 0 0 2px #a5b4fc33}.sidebar-edit-btns{display:flex;gap:.375rem;margin-top:.125rem}.btn-nav-action{flex:1;border:none;font-family:inherit;font-size:.8125rem;font-weight:500;padding:.4rem;border-radius:var(--radius-sm);cursor:pointer}.btn-nav-save{background:#4f46e5;color:#fff}.btn-nav-cancel{background:#ffffff1a;color:#fff}.btn-signout{width:100%;background:#ffffff12;border:1px solid rgba(255,255,255,.12);color:var(--nav-text);font-family:inherit;font-size:.8125rem;font-weight:500;padding:.4375rem;border-radius:var(--radius);cursor:pointer;transition:background .15s}.btn-signout:hover{background:#ffffff24;color:#fff}.main-content{flex:1;margin-left:var(--sidebar-w);padding:2rem;min-height:100vh}.topbar{display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar-h);background:var(--nav-bg);color:#fff;align-items:center;justify-content:space-between;padding:0 1rem;z-index:200}.topbar-title{font-size:1rem;font-weight:700;color:#fff}.hamburger{display:flex;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:.375rem;color:#fff}.hamburger span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px}.nav-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:99}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar-open{transform:translate(0)}.topbar{display:flex}.nav-overlay-visible{display:block}.main-content{margin-left:0;padding:1rem;padding-top:calc(var(--topbar-h) + 1rem)}h1{font-size:1.5rem}.page-header{flex-direction:column;align-items:flex-start;gap:.75rem}.item-row{flex-wrap:wrap}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:300;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:100%;max-width:440px;padding:1.75rem;position:relative}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}.modal-title{font-size:1.125rem;font-weight:700}.modal-close{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:.25rem;border-radius:var(--radius-sm);font-size:1.25rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:color .15s,background .15s}.modal-close:hover{color:var(--text);background:var(--surface-alt)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:linear-gradient(145deg,#ede9fe,#f8fafc 55%,#fef3c7)}.auth-card{width:100%;max-width:420px;background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:2.25rem}.auth-logo{font-size:1.375rem;font-weight:800;color:var(--primary);text-align:center;margin-bottom:1.75rem;letter-spacing:-.03em}.auth-title{font-size:1.375rem;font-weight:700;text-align:center;margin-bottom:.25rem}.auth-sub{text-align:center;color:var(--text-muted);font-size:.875rem;margin-bottom:1.75rem}.auth-footer{text-align:center;font-size:.875rem;color:var(--text-muted);margin-top:1.25rem}