:root{--blue:#17518b;--blue-dark:#103e70;--blue-light:#e8f0f9;--ink:#26394c;--muted:#657789;--line:#dfe5ea;--bg:#f3f5f7;--surface:#fff;--good:#238455;--danger:#c04440;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:14px}
*{box-sizing:border-box}html,body{padding:0;margin:0;background:var(--bg);color:var(--ink);min-height:100%}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.site-header{min-height:70px;background:var(--blue);color:#fff;display:flex;align-items:center;padding:0 28px;gap:34px;border-bottom:4px solid #0d3761}
.site-brand{display:flex;gap:12px;align-items:center;min-width:220px;color:#fff;font-size:23px;font-weight:700;letter-spacing:-.8px}
.site-brand:hover{color:#fff;text-decoration:none}
.site-mark{background:#fff;color:#124d86;border-radius:4px;font-size:29px;font-weight:800;width:42px;height:38px;text-align:center;display:inline-flex;align-items:center;justify-content:center;letter-spacing:-2px}
.site-brand small{font-size:9px;letter-spacing:1.1px;font-weight:400;color:#c5d9e9;display:block;margin-top:4px}
.site-school{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}
.header-kicker{font-size:10px;letter-spacing:1px;color:#a8cae7}.site-school strong{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.site-user{display:flex;gap:14px;align-items:center}.site-user .header-link{font-size:12px;color:#dceaf4;border:1px solid #80a1c4;padding:8px 10px;border-radius:3px;white-space:nowrap}
.site-user .header-link:hover{background:#2d649a;text-decoration:none}
.user-label{display:flex;flex-direction:column;text-align:right;gap:4px}
.user-label strong{font-size:12px;font-weight:700}.user-label small{font-size:11px;color:#c1d8ec}
.avatar{background:#e8f2ff;color:#134f86;width:33px;height:33px;border-radius:50%;display:grid;place-items:center;font-weight:700}
.header-logout{color:white;background:transparent;border:0;font-size:11px;text-decoration:underline}
.work-area{display:flex;min-height:calc(100vh - 70px)}
.sidebar{width:237px;flex:0 0 237px;background:#fff;border-right:1px solid var(--line);padding:24px 0;display:flex;flex-direction:column}
.menu-title{font-size:10px;color:#9ba9b5;font-weight:700;letter-spacing:.7px;margin:4px 20px 13px}
.menu-title.group-divider{margin-top:32px}
.nav-list{display:flex;flex-direction:column}
.nav-list a{color:#3a5268;display:flex;gap:13px;padding:12px 19px;border-left:4px solid transparent;font-size:13px;align-items:center}
.nav-list a span{color:#56758e;font-size:18px;width:21px;text-align:center}
.nav-list a:hover{background:#eef4f9;text-decoration:none}
.nav-list a.active{background:#e9f2fb;color:var(--blue);border-left-color:#2370af;font-weight:700}
.nav-list a.active span{color:var(--blue)}
.sidebar-foot{margin-top:auto;padding:35px 20px 10px;color:#6b8092;font-size:12px}
.sidebar-foot small{display:block;font-size:11px;color:#a2aeb9;margin-top:6px}
.main-column{flex:1;min-width:0;display:flex;flex-direction:column}
.breadcrumb{background:#fff;border-bottom:1px solid var(--line);padding:14px 32px;font-size:12px;color:#728596}
.breadcrumb span{margin:0 8px;color:#afb9c5}
.content{padding:30px 32px 45px;flex:1;max-width:1600px;width:100%;margin:0 auto}
.main-column footer{padding:20px 32px;color:#9aabb6;font-size:11px;border-top:1px solid var(--line)}
.page-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:23px}
.eyebrow{font-size:10px;font-weight:700;color:#3577b1;letter-spacing:1px}
.page-heading h1{font-size:25px;margin:7px 0 7px;font-weight:700;letter-spacing:-.4px;color:#223c55}
.page-heading p{color:#6c7c8b;font-size:13px;line-height:1.5;margin:0}
.page-heading strong{color:#3c607f}.heading-actions{display:flex;gap:10px}
.btn{border:1px solid transparent;border-radius:3px;padding:10px 15px;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:7px}
.btn:hover{text-decoration:none}.btn-primary{background:#216aa7;color:#fff;border-color:#135b99}.btn-primary:hover{background:#14568d;color:#fff}
.btn-outline{background:#fff;border:1px solid #bccbd6;color:#2f5b7b}.btn-outline:hover{background:#f0f5f8}
.btn:disabled{opacity:.5;cursor:not-allowed}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0 0 22px}
.stat-card{background:#fff;border:1px solid var(--line);padding:17px 19px;box-shadow:0 2px 4px #12263b06;display:flex;flex-direction:column;gap:10px;border-top:3px solid #2d6aa0}
.stat-card:hover{text-decoration:none;background:#f9fcff;border-color:#b2c5d6}
.stat-head{display:flex;justify-content:space-between;align-items:center}
.stat-icon{width:33px;height:33px;border-radius:3px;background:#e6f0f8;display:grid;place-items:center;color:#2470aa;font-size:20px}
.stat-arrow{font-size:20px;color:#acc0d0}.stat-value{font-size:27px;font-weight:700;color:#243f5a}
.stat-label{color:#74869a;font-size:12px}
.dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:19px;margin-bottom:20px}
.panel{background:#fff;border:1px solid var(--line);box-shadow:0 2px 4px #12263b06;margin-bottom:20px;min-width:0}
.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:17px 19px;border-bottom:1px solid var(--line);background:#fcfdfe}
.panel-heading h2{font-size:15px;margin:0 0 4px;color:#284963}
.panel-heading p{font-size:11px;color:#8694a1;margin:0}.panel-heading>a{font-size:12px;font-weight:700;white-space:nowrap}
.data-line{display:flex;align-items:center;gap:13px;padding:15px 19px;border-bottom:1px solid #eef1f4}
.data-line:last-child{border-bottom:0}
.line-tag{width:43px;min-height:34px;display:grid;place-items:center;background:#e8f0f9;color:#1d619a;font-size:12px;font-weight:700;border-radius:3px}
.line-main{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}
.line-main strong{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.line-main small{font-size:11px;color:#8997a5}
.grade-mark{background:#e5f3eb;color:#288252;min-width:32px;text-align:center;padding:7px;font-size:13px;font-weight:700;border-radius:3px}
.secondary-chip{color:#657e91;background:#f0f4f8;border:1px solid #e1e9f0;font-size:11px;padding:6px;border-radius:3px}
.notice{display:flex;gap:13px;border-bottom:1px solid #edf1f4;padding:17px 19px}.notice:last-child{border-bottom:0}
.notice-circle{width:27px;height:27px;border-radius:50%;background:#e4eff9;color:#1f679d;display:grid;place-items:center;font-weight:700;flex:0 0 auto}
.notice strong{font-size:13px}.notice p{font-size:12px;color:#60758a;line-height:1.5;margin:6px 0}.notice small{color:#8b9aa9;font-size:11px}
.empty-state{padding:32px;text-align:center;color:#8596a7;font-size:13px}.empty-state.large{padding:62px 20px}
.records-panel{overflow:hidden}.table-scroll{width:100%;overflow:auto}
.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}
.data-table th{background:#f1f5f8;color:#3c5e7a;font-size:11px;font-weight:700;padding:12px 16px;border-bottom:1px solid #d9e2ea;white-space:nowrap}
.data-table td{color:#41586d;padding:12px 16px;border-bottom:1px solid #eaf0f4;vertical-align:middle;line-height:1.5}
.data-table tbody tr:nth-child(even){background:#fbfcfe}
.data-table tr:last-child td{border-bottom:0}.count-pill{padding:6px 10px;font-size:11px;border-radius:3px;background:#edf3f8;color:#436d8d}
.quick-links{display:flex;flex-wrap:wrap;gap:9px;padding:16px 19px;max-height:180px;overflow:auto}
.quick-links a{font-size:11px;color:#2d638c;padding:9px;background:#f1f6fa;border:1px solid #dce6f0}
.quick-links span{padding-left:10px}
.form-panel{max-width:780px}.form-fields{display:flex;flex-direction:column}
.edit-fields{padding:23px}
.form-fields label{font-size:12px;font-weight:700;color:#36516b;margin:0 0 7px}
.form-fields input,.form-fields select,.form-fields textarea,.data-table select{width:100%;max-width:100%;font-size:13px;padding:10px 11px;background:white;color:#273e51;border:1px solid #bccbd6;border-radius:3px;outline:0}
.form-fields input:focus,.form-fields select:focus,.form-fields textarea:focus,.data-table select:focus{border-color:#357caf;box-shadow:0 0 0 2px #e5f1fa}
.field{display:flex;flex-direction:column;margin-bottom:19px;gap:5px}.field small{font-size:11px;color:#889aa8}
.field input[type=checkbox]{width:auto;align-self:flex-start;margin-top:3px}
.required,.field-error{color:#bd4c47}.field-error{font-size:11px}
.form-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:10px;border-top:1px solid #e9eef2;padding-top:20px}
.attendance-actions{margin:0;padding:17px 19px}.data-table select{max-width:230px}
.form-error{padding:11px 13px;border:1px solid #f0c7c7;background:#fff1f1;color:#a53636;font-size:12px;margin-bottom:15px}
.flash{background:#e8f5ed;color:#1b7745;border:1px solid #b8dcc9;padding:11px 15px;margin-bottom:18px;font-size:12px}
.flash.error{background:#fff1f1;color:#b14b43;border-color:#ecc7c1}
.management-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:22px}
.manage-tile{border:1px solid #d9e2e9;border-left:3px solid #2a75ae;padding:16px;background:white;display:flex;flex-direction:column;gap:7px}
.manage-tile:hover{text-decoration:none;background:#f8fbff}
.manage-tile span{font-size:22px;color:#1764a0}.manage-tile strong{font-size:13px;color:#315675}.manage-tile small{font-size:11px;color:#8696a5}
.active-pill,.inactive-pill{font-size:11px;display:inline-block;padding:4px 8px;border-radius:3px;font-weight:700}
.active-pill{background:#e7f3e8;color:#267a46}.inactive-pill{background:#fff0e8;color:#a96339}.row-action{font-size:11px;font-weight:700}
.school-option{display:flex;align-items:center;gap:14px;justify-content:space-between;background:#fff;border:1px solid var(--line);padding:18px 20px;margin-bottom:10px}
.school-option>div{display:flex;flex-direction:column;gap:7px;flex:1}
.school-option strong{font-size:14px}.school-option small{font-size:11px;color:#7b8d9a}
.school-list{max-width:900px}.notice-box{padding:23px;max-width:720px}.notice-box p{line-height:1.7;margin:0 0 20px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.login-shell{min-height:100vh;background:linear-gradient(120deg,#e9f0f7,#f7f9fb);display:flex;align-items:center;justify-content:center;flex-direction:column;padding:25px}
.login-top{display:flex;align-items:center;gap:11px;margin:0 0 25px;color:#1d5689;font-size:24px;font-weight:700}
.login-top .site-mark{background:#1c609b;color:#fff}.login-top small{display:block;font-size:12px;color:#788e9e;font-weight:400;margin-top:4px}
.login-card{width:100%;max-width:440px;background:#fff;border:1px solid #d7e1e8;border-top:4px solid #246ca8;padding:30px;box-shadow:0 10px 30px #143c6310}
.login-heading h1{font-size:25px;color:#264c6e;margin:8px 0}
.login-heading p{font-size:13px;color:#788b9b;margin:0 0 26px;line-height:1.5}
.login-card .form-fields input{margin-bottom:20px;padding:12px}
.btn-full{width:100%;padding:12px}
.login-note{border-top:1px solid #eaf0f4;margin:25px 0 0;padding-top:20px;font-size:12px;color:#8798a6;line-height:1.6}
.login-foot{font-size:11px;color:#8d9faf;margin-top:24px}
@media(max-width:1100px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid{grid-template-columns:1fr}.management-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-user .user-label{display:none}.site-header{gap:15px}}
@media(max-width:770px){.site-header{padding:12px 15px;min-height:65px;flex-wrap:wrap;gap:10px}.site-brand{min-width:auto;font-size:19px}.site-brand small,.header-kicker{display:none}.site-school{flex:1;order:3;flex-basis:100%;font-size:12px}.site-school strong{font-size:12px}.site-user{margin-left:auto;gap:8px}.site-user .header-link{font-size:10px;padding:5px}.site-user .avatar{display:none}.header-logout{font-size:10px}.work-area{display:block}.sidebar{width:100%;padding:8px 0;display:block;border-right:0;border-bottom:1px solid var(--line)}.menu-title,.sidebar-foot{display:none}.nav-list{display:flex;flex-direction:row;overflow-x:auto;scrollbar-width:thin}.nav-list a{white-space:nowrap;padding:10px 12px;font-size:11px;border-left:0;border-bottom:3px solid transparent}.nav-list a.active{border-bottom-color:#2576b3}.nav-list a span{font-size:14px;width:auto}.breadcrumb{padding:11px 15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.content{padding:23px 14px}.page-heading{flex-direction:column;align-items:flex-start}.page-heading h1{font-size:22px}.heading-actions{flex-wrap:wrap}.stat-grid{gap:9px}.stat-card{padding:12px}.stat-value{font-size:23px}.panel-heading{padding:15px}.data-line,.notice{padding:13px 15px}.management-grid{grid-template-columns:1fr}.school-option{flex-wrap:wrap;padding:15px}.school-option .btn{width:100%}.main-column footer{padding:20px 15px;font-size:10px}}