:root{--color-bg: #f4f6f8;--color-surface: #ffffff;--color-border: #e2e5e9;--color-border-strong: #cbd2d9;--color-text: #1a2233;--color-text-muted: #5b6472;--color-text-subtle: #8992a1;--color-primary: #2454ff;--color-primary-hover: #1c42d1;--color-primary-soft: #eaf0ff;--color-danger: #d3402f;--color-danger-soft: #fbebe9;--color-success: #1c8a5a;--color-success-soft: #e7f6ee;--color-warning: #b3720a;--color-warning-soft: #fdf1de;--color-neutral-soft: #eef0f3;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 4px 16px rgba(16, 24, 40, .08);--sidebar-width: 240px;--topbar-height: 64px;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5}h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}p{margin:0}a{color:var(--color-primary)}label{display:flex;flex-direction:column;gap:var(--space-1);font-size:13px;font-weight:500;color:var(--color-text-muted)}input,textarea,select{font:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);padding:8px 10px;outline:none;transition:border-color .15s ease,box-shadow .15s ease}input:focus,textarea:focus,select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font:inherit;font-weight:600;font-size:13px;border-radius:var(--radius-sm);border:1px solid transparent;padding:8px 14px;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease,opacity .15s ease;white-space:nowrap}.btn:disabled{cursor:not-allowed;opacity:.55}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);border-color:var(--color-border-strong);color:var(--color-text)}.btn-secondary:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.btn-ghost{background:transparent;color:var(--color-text-muted)}.btn-ghost:hover:not(:disabled){background:var(--color-neutral-soft);color:var(--color-text)}.btn-danger{background:var(--color-danger-soft);color:var(--color-danger)}.btn-danger:hover:not(:disabled){background:var(--color-danger);color:#fff}.btn-sm{padding:5px 10px;font-size:12px}.app-shell{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column}.sidebar-brand{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-5) var(--space-4)}.sidebar-brand-mark{width:36px;height:36px;border-radius:var(--radius-md);background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}.sidebar-brand-name{font-size:16px;font-weight:700}.sidebar-brand-tagline{font-size:11px;color:var(--color-text-subtle)}.sidebar-nav{display:flex;flex-direction:column;gap:2px;padding:var(--space-2) var(--space-3);flex-grow:1}.nav-item{display:flex;align-items:center;gap:var(--space-3);padding:9px var(--space-3);border-radius:var(--radius-sm);border:none;background:transparent;color:var(--color-text-muted);font:inherit;font-weight:500;font-size:13.5px;cursor:pointer;text-align:left;width:100%}.nav-item:hover:not(:disabled){background:var(--color-neutral-soft);color:var(--color-text)}.nav-item.is-active{background:var(--color-primary-soft);color:var(--color-primary)}.nav-item:disabled{cursor:default}.nav-item-icon{width:18px;height:18px;flex-shrink:0;display:flex;align-items:center;justify-content:center}.sidebar-footer{border-top:1px solid var(--color-border);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3)}.sidebar-user{display:flex;align-items:center;gap:var(--space-3)}.sidebar-user-avatar{width:34px;height:34px;border-radius:50%;background:var(--color-primary-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}.sidebar-user-name{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-user-role{font-size:11px;color:var(--color-text-subtle)}.app-main{flex-grow:1;min-width:0;display:flex;flex-direction:column}.topbar{min-height:var(--topbar-height);border-bottom:1px solid var(--color-border);background:var(--color-surface);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:0 var(--space-6)}.topbar-left{display:flex;align-items:center;gap:var(--space-3);min-width:0}.hamburger-btn{display:none;align-items:center;justify-content:center;width:38px;height:38px;flex-shrink:0;border-radius:var(--radius-sm);border:1px solid var(--color-border-strong);background:var(--color-surface);color:var(--color-text);cursor:pointer}.hamburger-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.sidebar-close-btn{display:none;margin-left:auto;border:none;background:transparent;color:var(--color-text-muted);cursor:pointer;padding:4px;border-radius:var(--radius-sm);flex-shrink:0}.sidebar-close-btn:hover{background:var(--color-neutral-soft);color:var(--color-text)}.sidebar-overlay{display:none}.topbar-titles{display:flex;flex-direction:column;gap:2px;padding:var(--space-3) 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4px;border-radius:999px;background:var(--color-danger);color:#fff;font-size:10px;font-weight:700;line-height:17px;text-align:center}.notification-panel{position:absolute;top:calc(100% + 8px);right:0;width:360px;max-width:calc(100vw - 2 * var(--space-4));max-height:70vh;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);z-index:220;display:flex;flex-direction:column;overflow:hidden}.notification-panel-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);flex-shrink:0}.notification-panel-title{font-size:13.5px;font-weight:700}.notification-panel-body{overflow-y:auto}.notification-list{list-style:none;margin:0;padding:0}.notification-item{display:flex;align-items:flex-start;gap:4px;border-bottom:1px solid var(--color-border)}.notification-item:last-child{border-bottom:none}.notification-item.is-unread{background:var(--color-primary-soft)}.notification-item-main{flex-grow:1;min-width:0;display:flex;align-items:flex-start;gap:var(--space-3);text-align:left;border:none;background:transparent;cursor:pointer;padding:var(--space-3) var(--space-4);font:inherit}.notification-item-icon{flex-shrink:0;width:28px;height:28px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.notification-item-icon-primary{background:var(--color-primary-soft);color:var(--color-primary)}.notification-item-icon-neutral{background:var(--color-neutral-soft);color:var(--color-text-muted)}.notification-item-icon-warning{background:var(--color-warning-soft);color:var(--color-warning)}.notification-item-icon-danger{background:var(--color-danger-soft);color:var(--color-danger)}.notification-item-body{flex-grow:1;min-width:0;display:flex;flex-direction:column;gap:2px}.notification-item-title{font-size:13px;font-weight:600;color:var(--color-text)}.notification-item-message{font-size:12.5px;color:var(--color-text-muted);overflow-wrap:break-word}.notification-item-time{font-size:11px;color:var(--color-text-subtle)}.notification-item-delete{flex-shrink:0;border:none;background:transparent;color:var(--color-text-subtle);cursor:pointer;padding:8px;margin:var(--space-2) var(--space-2) 0 0;border-radius:var(--radius-sm);display:flex}.notification-item-delete:hover{background:var(--color-danger-soft);color:var(--color-danger)}.app-content{flex-grow:1;padding:var(--space-6);max-width:1200px;width:100%;margin:0 auto}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-5);flex-wrap:wrap}.page-header-title{font-size:20px;font-weight:700}.page-header-description{margin-top:4px;font-size:13px;color:var(--color-text-muted)}.page-header-actions{display:flex;gap:var(--space-2);flex-wrap:wrap}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-body{padding:var(--space-5)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--space-4);margin-top:var(--space-5)}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-5);box-shadow:var(--shadow-sm)}.stat-card-value{font-size:28px;font-weight:700;line-height:1.2}.stat-card-label{margin-top:var(--space-1);font-size:12.5px;color:var(--color-text-muted);font-weight:500}.stat-card-accent{width:34px;height:34px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-3)}.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--color-border);background:var(--color-surface)}table.data-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:640px}.data-table thead th{text-align:left;padding:11px var(--space-4);font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-subtle);border-bottom:1px solid var(--color-border);background:#fafbfc;white-space:nowrap}.data-table tbody td{padding:12px var(--space-4);border-bottom:1px solid var(--color-border);vertical-align:middle}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr{transition:background .1s ease}.data-table tbody tr:hover{background:#fafbfc}.table-actions{display:flex;gap:var(--space-2);flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:600;white-space:nowrap}.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.badge-success{background:var(--color-success-soft);color:var(--color-success)}.badge-neutral{background:var(--color-neutral-soft);color:var(--color-text-muted)}.badge-warning{background:var(--color-warning-soft);color:var(--color-warning)}.badge-primary{background:var(--color-primary-soft);color:var(--color-primary)}.badge-danger{background:var(--color-danger-soft);color:var(--color-danger)}.text-muted{color:var(--color-text-subtle)}.state-block{padding:var(--space-6);text-align:center;color:var(--color-text-muted);font-size:13.5px}.notice{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:var(--space-4)}.notice-success{background:var(--color-success-soft);color:var(--color-success)}.notice-error{background:var(--color-danger-soft);color:var(--color-danger)}.filters-bar{display:flex;gap:var(--space-4);align-items:flex-end;margin-bottom:var(--space-4);flex-wrap:wrap}.filters-bar label{min-width:160px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:var(--space-4);z-index:100}.modal-panel{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-5);width:420px;max-width:100%;max-height:calc(100vh - 2 * var(--space-4));overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4)}.modal-close{border:none;background:transparent;cursor:pointer;font-size:18px;line-height:1;color:var(--color-text-muted);padding:4px;border-radius:var(--radius-sm)}.modal-close:hover{background:var(--color-neutral-soft);color:var(--color-text)}.form-stack{display:flex;flex-direction:column;gap:var(--space-3)}.form-actions{display:flex;gap:var(--space-2);justify-content:flex-end;margin-top:var(--space-1)}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#eef2ff 0%,var(--color-bg) 60%);padding:var(--space-4)}.auth-card{width:100%;max-width:360px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-6)}.auth-brand{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);margin-bottom:var(--space-5);text-align:center}.auth-brand-mark{width:48px;height:48px;border-radius:var(--radius-md);background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}.auth-brand-title{font-size:19px;font-weight:700}.auth-brand-subtitle{font-size:12.5px;color:var(--color-text-muted)}.full-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:13.5px}.dashboard-section{margin-top:var(--space-6)}.section-header{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-3);flex-wrap:wrap}.section-title{font-size:15px;font-weight:700}.section-subtitle{font-size:12px;color:var(--color-text-muted)}.mini-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--space-3)}.mini-stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);display:flex;align-items:center;gap:var(--space-3)}.mini-stat-icon{width:30px;height:30px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.mini-stat-value{font-size:19px;font-weight:700;line-height:1.2}.mini-stat-label{font-size:11.5px;color:var(--color-text-muted)}.task-list{display:flex;flex-direction:column;gap:var(--space-2)}.task-list-item{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:11px 14px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);flex-wrap:wrap}.task-list-item-main{display:flex;flex-direction:column;gap:2px;min-width:0}.task-list-item-title{font-size:13.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-list-item-meta{font-size:12px;color:var(--color-text-muted)}.task-list-item-right{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0}.unit-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-4)}.unit-summary-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);box-shadow:var(--shadow-sm)}.unit-summary-name{font-size:13.5px;font-weight:700;margin-bottom:var(--space-3)}.unit-summary-rows{display:flex;flex-direction:column;gap:6px;font-size:12.5px}.unit-summary-row{display:flex;justify-content:space-between;color:var(--color-text-muted)}.unit-summary-row strong{color:var(--color-text);font-weight:600}.calendar-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-4);flex-wrap:wrap}.calendar-nav{display:flex;align-items:center;gap:var(--space-2)}.calendar-nav-btn{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);border:1px solid var(--color-border-strong);background:var(--color-surface);color:var(--color-text);cursor:pointer}.calendar-nav-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.calendar-title{font-size:15px;font-weight:700;min-width:150px;text-align:center;text-transform:capitalize}.calendar-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface)}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(120px,1fr));min-width:840px}.calendar-weekday{padding:9px 10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-subtle);background:#fafbfc;border-bottom:1px solid var(--color-border);border-right:1px solid var(--color-border)}.calendar-weekday:last-child{border-right:none}.calendar-cell{min-height:108px;padding:6px;border-right:1px solid var(--color-border);border-bottom:1px solid var(--color-border);display:flex;flex-direction:column;gap:4px}.calendar-grid>.calendar-cell:nth-child(7n){border-right:none}.calendar-cell.is-outside{background:#fafbfc}.calendar-cell.is-outside .calendar-day-number{color:var(--color-text-subtle)}.calendar-day-number{font-size:12px;font-weight:600;color:var(--color-text-muted)}.calendar-cell.is-today .calendar-day-number{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--color-primary);color:#fff}.calendar-task-chip{display:block;width:100%;text-align:left;border:none;border-radius:5px;padding:2px 6px;font-size:11px;font-weight:600;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.calendar-task-chip-todo{background:var(--color-neutral-soft);color:var(--color-text-muted)}.calendar-task-chip-primary{background:var(--color-primary-soft);color:var(--color-primary)}.calendar-task-chip-success{background:var(--color-success-soft);color:var(--color-success)}.calendar-task-chip-danger{background:var(--color-danger-soft);color:var(--color-danger)}.calendar-more{font-size:11px;color:var(--color-text-subtle);font-weight:600;border:none;background:transparent;cursor:pointer;text-align:left;padding:2px 6px}.calendar-more:hover{color:var(--color-primary)}@media (max-width: 900px){.hamburger-btn{display:inline-flex}.notification-panel{position:fixed;top:var(--topbar-height);left:var(--space-3);right:var(--space-3);width:auto;max-width:none;max-height:calc(100vh - var(--topbar-height) - var(--space-4))}.sidebar-close-btn{display:inline-flex;align-items:center;justify-content:center}.sidebar{position:fixed;top:0;left:0;bottom:0;z-index:210;width:min(280px,84vw);flex-direction:column;align-items:stretch;overflow-y:auto;border-right:1px solid var(--color-border);border-bottom:none;box-shadow:var(--shadow-md);transform:translate(-100%);transition:transform .2s ease}.sidebar.is-open{transform:translate(0)}.sidebar-brand{padding:var(--space-4)}.sidebar-nav{flex-direction:column;padding:var(--space-2) var(--space-3)}.sidebar-footer{border-top:1px solid var(--color-border);border-left:none;flex-direction:column;align-items:stretch}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#0f172a73;opacity:0;pointer-events:none;transition:opacity .2s ease}.sidebar-overlay.is-visible{opacity:1;pointer-events:auto}.topbar{padding:0 var(--space-4)}.topbar-username{display:none}.app-content{padding:var(--space-4)}.filters-bar label{min-width:0;flex:1 1 150px}.btn-sm{min-height:32px}.table-actions .btn{flex:1 1 auto}.modal-panel{width:100%;padding:var(--space-4)}.form-actions{flex-wrap:wrap}.calendar-grid{grid-template-columns:repeat(7,minmax(96px,1fr))}.calendar-cell{min-height:84px}}@media (max-width: 480px){.app-content{padding:var(--space-3)}.page-header-title{font-size:18px}.topbar-description{display:none}.form-actions{flex-direction:column-reverse}.form-actions .btn{width:100%}.calendar-grid{grid-template-columns:repeat(7,minmax(76px,1fr))}.calendar-cell{min-height:70px;padding:4px}.calendar-task-chip{font-size:10px;padding:2px 4px}.stat-grid,.mini-stat-grid,.unit-summary-grid{grid-template-columns:1fr}}