:root{--bg: #f3f5f9;--surface: #ffffff;--surface-soft: #f8fafc;--text: #111827;--text-muted: #6b7280;--border: #e5e7eb;--brand: #4f46e5;--brand-strong: #4338ca;--danger: #b42318;--radius: 16px;--shadow: 0 14px 34px rgba(15, 23, 42, .08)}*{box-sizing:border-box}body{margin:0;font-family:PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at 12% -10%,#fff,#f3f5f9 42%,#eef2f7)}h1,h2,h3,p{margin:0}input,select,button,textarea{font:inherit}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#0f172a,#1e293b 48%,#0f172a);color:#f0f3ff;padding:24px 18px;border-right:1px solid rgba(255,255,255,.08)}.brand{font-size:19px;font-weight:700;letter-spacing:.4px;margin-bottom:20px}.nav{display:grid;gap:8px}.nav-link{color:#dbe4ff;text-decoration:none;border-radius:12px;padding:10px 14px;transition:all .2s ease;border:1px solid transparent}.nav-link:hover{background:#ffffff14;border-color:#ffffff1f}.nav-link.active{background:linear-gradient(90deg,#6366f157,#9333ea47);color:#fff;border-color:#ffffff24}.main{display:grid;grid-template-rows:auto 1fr}.header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 30px;border-bottom:1px solid #e6ebf2;background:#ffffffd6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.header h1{font-size:24px}.header p{margin-top:4px;color:var(--text-muted);font-size:14px}.header-right{display:flex;align-items:center;gap:12px;color:var(--text-muted)}.notify-link{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--text);font-size:14px;padding:6px 10px;border-radius:999px;background:linear-gradient(180deg,#fff,#f8fafc);border:1px solid #dbe4f1;box-shadow:0 4px 10px #0f172a0f}.notify-badge{min-width:20px;height:20px;border-radius:999px;background:#e11d48;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:12px;padding:0 6px}.content{padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card h2{margin-bottom:12px}.card h3{margin-bottom:10px}.page-stack{display:grid;gap:16px}.hero-banner{border-radius:18px;padding:26px 30px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:16px;box-shadow:0 20px 36px #1e293b3d}.members-hero{background:linear-gradient(130deg,#4f46e5,#7c3aed 62%,#ec4899)}.activities-hero{background:linear-gradient(130deg,#2563eb,#4f46e5 58%,#9333ea)}.hero-content h2{margin:0;font-size:34px}.hero-content p{margin-top:6px;color:#ffffffe0}.hero-stats{display:flex;gap:12px}.hero-stat{background:#fff3;border:1px solid rgba(255,255,255,.28);border-radius:12px;padding:10px 14px;min-width:104px;display:grid;gap:2px}.hero-stat span{font-size:12px;color:#ffffffd6}.hero-stat strong{font-size:24px}.elevated-card{background:#ffffffeb;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.filters-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));align-items:center}input,select,textarea{width:100%;border:1px solid #d6dbe5;border-radius:10px;padding:10px 12px;background:#f8fafc;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px #6366f126;background:#fff}label{display:grid;gap:6px;font-size:14px;color:var(--text-muted)}.primary-btn,.secondary-btn{border:0;border-radius:12px;padding:10px 14px;cursor:pointer;transition:all .2s ease}.primary-btn{background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;box-shadow:0 10px 16px #4f46e53d}.primary-btn:hover{transform:translateY(-1px);box-shadow:0 14px 22px #4f46e54d}.link-btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.secondary-btn{border:1px solid #d8deea;background:linear-gradient(180deg,#fff,#f8fafc);color:#334155}.secondary-btn:hover{border-color:#c5d0e0;background:#fff}.danger-btn{border:1px solid #f0b6c2;background:#fff1f3;color:#be123c;border-radius:10px;padding:8px 12px;cursor:pointer}.action-btn{border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;line-height:1.2;display:inline-flex;align-items:center;justify-content:center;min-width:48px}.action-btn-view{background:#eef2ff;border-color:#c7d2fe;color:#4338ca}.action-btn-edit{background:#ecfeff;border-color:#bae6fd;color:#0369a1}.action-btn-cancel{background:#fff1f2;border-color:#fecdd3;color:#be123c}.compact-btn{padding:6px 10px;font-size:13px}button:disabled{opacity:.55;cursor:not-allowed;box-shadow:none!important;transform:none!important}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid #e8edf5;text-align:left;padding:12px 8px;font-size:14px}.table tbody tr{transition:background-color .18s ease}.table tbody tr:hover{background:#f8fafc}.table th{color:#475569;font-weight:600;background:linear-gradient(180deg,#f8fafc,#fff)}.chip{display:inline-flex;align-items:center;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}.chip-voice{color:#334155;background:#e2e8f0}.chip-success{color:#047857;background:#d1fae5}.chip-warning{color:#b45309;background:#fef3c7}.chip-neutral{color:#475569;background:#e2e8f0}.chip-info{color:#1d4ed8;background:#dbeafe}.chip-special{color:#7e22ce;background:#f3e8ff}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:14px;color:var(--text-muted)}.pagination-actions{display:flex;gap:8px}.state-card{background:linear-gradient(180deg,#fff,#f8fafc);border:1px dashed #cfd8e6;border-radius:var(--radius);padding:24px;text-align:center;color:var(--text-muted)}.state-card.error{border-color:#f8c5c1;color:var(--danger);background:#fff8f7}.detail-grid{display:grid;grid-template-columns:180px 1fr;gap:10px 16px}.detail-grid label{color:var(--text-muted)}.inline-actions{display:inline-flex;align-items:center;gap:10px}.inline-actions.between{width:100%;justify-content:space-between}.text-link{color:var(--brand-strong);text-decoration:none;font-size:14px}.text-link:hover{text-decoration:underline}.back-link{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;text-decoration:none;color:var(--text);background:#fff}.page-title{margin:0;font-size:30px}.with-top-gap{margin-top:12px}.with-bottom-gap{margin-bottom:12px}.success-text{color:#0f766e;font-size:14px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:grid;place-items:center;padding:20px;z-index:1000}.modal-card{width:min(700px,100%);background:#fff;border-radius:20px;border:1px solid #d7ddea;box-shadow:0 30px 64px #0f172a4d;padding:0;overflow:hidden;animation:modal-pop .22s ease}.modal-card-compact{width:min(560px,100%)}.modal-header{background:linear-gradient(120deg,#4f46e5,#6366f1 45%,#9333ea);color:#fff;padding:16px 18px;display:flex;justify-content:space-between;align-items:flex-start}.modal-title{margin:0;font-size:22px}.modal-subtitle{margin-top:4px;font-size:13px;color:#ffffffdb}.icon-close-btn{border:0;background:#fff3;color:#fff;border-radius:10px;width:30px;height:30px;font-size:18px;cursor:pointer}.icon-close-btn:hover{background:#ffffff4d}.modal-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:16px 18px 18px}.modal-field{display:grid;gap:6px;color:#334155;font-size:13px}.modal-field-full{grid-column:1 / -1}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.modal-actions .primary-btn,.modal-actions .secondary-btn{min-width:110px}.activity-create-modal{width:min(760px,100%)}.light-error-banner{border:1px solid #f9caca;background:#fff4f4;color:#b42318;padding:10px 12px;border-radius:10px;font-size:14px}.light-success-banner{border:1px solid #a7f3d0;background:#ecfdf5;color:#065f46;padding:10px 12px;border-radius:10px;font-size:14px}.light-info-banner{border:1px solid #bfdbfe;background:#eff6ff;color:#1d4ed8;padding:10px 12px;border-radius:10px;font-size:14px}.activity-form-layout{display:grid;gap:16px}.activity-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.time-pair-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.split-section{border-top:1px solid var(--border);padding-top:14px}.split-section h3{margin:0 0 10px}.voice-toggle-row{display:flex;gap:14px;flex-wrap:wrap}.voice-toggle{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid #d4dbe8;border-radius:10px;background:linear-gradient(180deg,#fff,#f8fafc);color:#334155;cursor:pointer}.voice-toggle input{width:auto}.form-actions{display:flex;justify-content:flex-end;gap:10px}.activity-detail-grid{display:grid;grid-template-columns:320px 1fr;gap:14px}.qr-card{align-self:start}.qr-box{border:1px dashed var(--border);border-radius:14px;min-height:210px;background:linear-gradient(180deg,#f8fafc,#fff);display:grid;place-items:center;text-align:center;color:var(--text-muted)}.qr-box-title{font-weight:700;color:#334155}.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.stat-card{border-radius:12px;padding:12px;border:1px solid #dbeafe;background:#eff6ff;display:grid;gap:4px}.stat-card span{font-size:12px;color:#1e3a8a}.stat-card strong{font-size:26px}.stat-green{background:#ecfdf5;border-color:#bbf7d0}.stat-green span{color:#166534}.stat-orange{background:#fff7ed;border-color:#fed7aa}.stat-orange span{color:#9a3412}.stat-blue{background:#eff6ff;border-color:#bfdbfe}.stat-red{background:#fff1f2;border-color:#fecdd3}.stat-red span{color:#9f1239}.stat-indigo{background:#eef2ff;border-color:#c7d2fe}.toolbar-row{display:inline-flex;gap:10px}.dashboard-activity-select{min-width:320px}.import-textarea{min-height:160px;resize:vertical}@media(max-width:900px){.modal-form,.activity-form-grid,.time-pair-grid,.activity-detail-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.toolbar-row{display:grid;grid-template-columns:1fr}.dashboard-activity-select{min-width:100%}}@keyframes modal-pop{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(460px,100%);display:grid;gap:10px}.muted{color:var(--text-muted)}.error-text{color:var(--danger);font-size:14px}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.hero-banner{flex-direction:column;align-items:flex-start}.hero-content h2{font-size:28px}}