/* Plain backend layout; Bootstrap forms and tables follow the existing UI. */
body{margin:0;font-family:Arial,sans-serif;color:#253044;background:#f5f6f8;font-size:14px}*{box-sizing:border-box}a{color:#0d6efd;text-decoration:none}.navbar{padding:12px 20px;background:#0d6efd;color:white}.navbar-brand{color:white;font-size:20px}.container-fluid{display:flex;justify-content:space-between;align-items:center;gap:12px}.user-menu{display:flex;align-items:center;gap:12px}.inline-form{display:inline-block;margin:0}.admin-layout{display:flex;min-height:calc(100vh - 60px)}.sidebar{width:205px;background:white;border-right:1px solid #ddd;padding:20px 14px;flex-shrink:0}.sidebar small{display:block;color:#666;margin:0 10px 16px}.sidebar a{display:block;padding:10px;margin:3px 0;border-radius:3px}.sidebar a:hover{background:#eef4ff}.main-content{padding:25px;flex:1;min-width:0;max-width:1600px}.card{background:white;border:1px solid #ddd;border-radius:4px;padding:20px;margin-bottom:20px}.row{display:flex;flex-wrap:wrap;margin:0 -8px}.row>*{padding:0 8px}.col-md-3{width:25%}.col-md-4{width:33.333%}.col-md-5{width:41.667%}.col-md-6{width:50%}.col-md-12{width:100%}.form-control,.form-select{display:block;width:100%;padding:9px 12px;border:1px solid #ccc;border-radius:4px;background:white;font:inherit;color:#253044}.form-label,label{display:block;margin-bottom:6px}.mb-3{margin-bottom:16px}.mb-4{margin-bottom:24px}.mt-3{margin-top:16px}.mt-4{margin-top:24px}.btn{display:inline-block;padding:8px 13px;border:1px solid transparent;border-radius:4px;font:inherit;cursor:pointer}.btn-sm{padding:5px 9px;font-size:12px}.btn-primary{background:#0d6efd;color:white}.btn-success{background:#198754;color:white}.btn-warning{background:#ffc107;color:#222}.btn-danger{background:#dc3545;color:white}.btn-secondary{background:#68717b;color:white}.btn-light{background:#f8f9fa;color:#253044}.btn-outline-light{border-color:white;color:white;background:none}.table-responsive{overflow:auto}.table{border-collapse:collapse;width:100%;background:white}.table th,.table td{padding:10px;border-bottom:1px solid #ddd;text-align:left;vertical-align:middle}.table th{background:#f3f4f6;white-space:nowrap}.table-bordered td,.table-bordered th{border:1px solid #ddd}.alert{padding:12px 16px;margin-bottom:20px;border-radius:4px}.alert-success{background:#d1e7dd;color:#0f5132}.alert-danger{background:#f8d7da;color:#842029}.alert-info{background:#cff4fc;color:#055160}.d-flex{display:flex}.justify-content-between{justify-content:space-between}.align-items-center{align-items:center}.text-muted{color:#6c757d}.badge{padding:4px 7px;border-radius:3px;font-size:11px}.bg-success{background:#198754;color:white}.bg-secondary{background:#68717b;color:white}.photo-thumb{width:48px;height:58px;object-fit:cover;border:1px solid #ddd}.photo-large{width:110px;height:140px;object-fit:cover}.actions{white-space:nowrap}.actions form{margin:0 0 0 5px}.filter-row{align-items:end;row-gap:10px}.filter-row label{font-size:12px}.filter-row .col-md-3{min-width:160px;flex:1}.stat-value{font-size:30px;font-weight:bold;margin:5px 0}.login-card{width:min(420px,92vw);margin:70px auto}.w-100{width:100%}input[type=checkbox]{width:16px;height:16px}.muted-note{font-size:12px;color:#666}h3{font-size:23px}h4{font-size:18px}h5{font-size:16px}@media(max-width:800px){.admin-layout{display:block}.sidebar{width:auto;border-right:0;border-bottom:1px solid #ddd;display:flex;flex-wrap:wrap;gap:5px;padding:10px}.sidebar small{width:100%;margin:0 10px}.sidebar a{padding:6px;font-size:12px}.main-content{padding:16px}.col-md-3,.col-md-4,.col-md-5,.col-md-6{width:100%}.user-menu{flex-wrap:wrap;font-size:12px}.navbar-brand{font-size:16px}}

/* UI matched to the supplied screen recording: dark bar, teal sidebar, compact forms. */
.reference-ui{background:#fff!important;color:#303030;font-family:Arial,sans-serif;font-size:12px}.reference-ui .navbar{background:#202124!important;padding:9px 26px;min-height:37px}.reference-ui .navbar-brand{font-size:14px;font-weight:normal;line-height:20px}.reference-ui .user-menu{font-size:11px;gap:9px}.reference-ui .user-menu a,.reference-ui .logout-link{color:#eee;font-size:11px}.reference-ui .logout-link{padding:0;background:none;border:0;cursor:pointer}.reference-ui .admin-layout{margin:34px auto 0;max-width:1240px;min-height:calc(100vh - 90px);align-items:flex-start;gap:25px;padding:0 28px}.reference-ui .sidebar{width:183px;flex-basis:183px;padding:0;background:#e5e3e2;border:0}.reference-ui .sidebar>a,.reference-ui .sidebar .nav-group>a{margin:0;padding:11px 12px;font-size:12px;color:#4c4c4c;border-bottom:1px solid #fff;border-radius:0}.reference-ui .sidebar a:hover,.reference-ui .sidebar a.selected{background:#0c424a;color:#fff}.reference-ui .nav-group{background:#e5e3e2}.reference-ui .nav-group summary{padding:12px;background:#0c424a;color:#fff;cursor:pointer;list-style:none;font-size:12px}.reference-ui .nav-group summary:after{content:'▾';float:right}.reference-ui .nav-group>a{padding-left:25px!important;display:block}.reference-ui .main-content{position:relative;padding:0;flex:1;max-width:1000px;min-width:0}.reference-ui h3{font-size:18px;font-weight:bold;margin:0 0 26px!important}.reference-ui h4{font-size:15px}.reference-ui h5{font-size:13px}.reference-ui .card{padding:15px 0;border:0;border-radius:0;box-shadow:none;margin:0 0 18px;background:transparent}.reference-ui .card .card{padding:14px;border:1px solid #e5e5e5;margin-bottom:16px}.reference-ui .card p{line-height:1.6}.reference-ui input.form-control,.reference-ui select.form-select{font-size:12px;padding:4px 7px;min-height:28px;line-height:18px;border:1px solid #aaa;border-radius:0;color:#444;box-shadow:none}.reference-ui textarea.form-control{font-size:12px;padding:6px;border:1px solid #aaa;border-radius:0}.reference-ui label{font-size:11px;font-weight:normal}.reference-ui .btn{font-size:11px;padding:6px 13px;border-radius:0}.reference-ui .btn-primary{background:#143e46;border-color:#143e46;color:white}.reference-ui .btn-success{background:#8cb735;border-color:#8cb735}.reference-ui .btn-secondary{background:#e6e6e6;color:#333;border-color:#ccc}.reference-ui .btn-danger{background:#bd4242}.reference-ui .btn-light{border-color:#ccc;background:#f7f7f7}.reference-ui .btn-sm{padding:4px 7px;font-size:10px}.reference-ui .settings-shortcut{position:absolute;right:3px;top:-23px;color:#466773;font-size:23px}.reference-ui .table{font-size:11px}.reference-ui .table td,.reference-ui .table th{padding:8px;border-color:#dedede}.reference-ui .table th{background:#eee;font-size:10px}.reference-ui .stat-value{font-size:24px}.reference-ui .alert{font-size:12px;border-radius:0;padding:10px}.reference-ui .no-school-layout{max-width:none;padding:0;margin-top:0}.reference-ui .no-school-layout .main-content{max-width:none;width:100%}.reference-ui .no-school-layout .main-content>h3{margin:30px!important}.reference-ui .school-select-panel{width:340px;max-width:92vw;margin:80px auto 0;background:#e6e3e1}.reference-ui .school-select-panel h4{background:#104149;color:#fff;text-align:center;padding:11px;font-size:13px;margin:0;font-weight:normal}.reference-ui .school-select-body{padding:22px 20px 16px}.reference-ui .school-select-line{display:flex;align-items:center;gap:8px}.reference-ui .school-select-line select{width:100%;min-width:0}.reference-ui .edit-school-shortcut{font-size:18px;color:#71802e}.reference-ui .school-select-actions{display:flex;gap:22px;justify-content:center;margin-top:16px}.reference-ui .school-select-actions .btn{border-radius:18px;min-width:66px;padding:6px 15px}.reference-ui .school-directory-link{text-align:center;font-size:10px;margin:16px 0 0}.reference-ui .school-directory-link a{color:#606060}.reference-ui .student-entry{max-width:900px}.reference-ui .student-entry>h5{display:none}.reference-ui .student-entry:before{content:'General';display:block;margin-bottom:23px;border-top:7px solid #dadada;padding-top:10px;font-size:11px}.reference-ui .student-entry .row{display:grid;grid-template-columns:1fr 1fr;gap:13px 25px;margin:0 0 22px}.reference-ui .student-entry .row>[class*='col-']{width:auto;max-width:none;padding:0;margin:0!important;display:grid;grid-template-columns:110px minmax(0,1fr);align-items:center;gap:8px}.reference-ui .student-entry label{margin:0}.reference-ui .student-entry .row input,.reference-ui .student-entry .row select,.reference-ui .student-entry .row textarea{min-width:0;margin:0}.reference-ui .student-entry input[type=file]{font-size:10px;padding:3px}.reference-ui .student-entry small{grid-column:2}.reference-ui .student-entry .photo-thumb{grid-column:2}.reference-ui .add-student-link{display:inline-block;font-size:12px;color:#555;margin:0 0 24px}.reference-ui .add-student-link span{display:inline-grid;place-items:center;background:#91b94a;color:white;width:20px;height:20px;border-radius:50%;font-size:18px;vertical-align:middle;margin-right:6px}.reference-ui .student-search-line{display:flex;align-items:center;gap:10px;margin:0 0 24px;max-width:650px}.reference-ui .student-search-line label{width:100px;flex-shrink:0;margin:0}.reference-ui .student-search-line input{max-width:300px}.reference-ui .student-filter-box{margin-bottom:22px}.reference-ui .student-filter-box h5{font-size:12px;margin:0 0 12px}.reference-ui .student-filter-line{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.reference-ui .student-filter-line select{width:170px}.reference-ui .student-filter-line label{margin:0}.reference-ui .class-entry-form{max-width:550px;display:flex;align-items:end;gap:12px;margin:22px 0 32px}.reference-ui .class-entry-form .class-field{display:flex;align-items:center;gap:22px;flex:1}.reference-ui .class-entry-form label{width:60px;flex-shrink:0;margin:0}.reference-ui .class-entry-form input{width:100%}.reference-ui .compact-editor{max-width:650px}.reference-ui .compact-editor .form-line{display:flex;gap:20px;align-items:center;margin:0 0 16px}.reference-ui .compact-editor .form-line label{width:90px;flex-shrink:0;margin:0}.reference-ui .compact-editor .form-line input,.reference-ui .compact-editor .form-line select{max-width:320px}
@media(max-width:800px){.reference-ui .admin-layout{padding:0 15px;gap:18px}.reference-ui .sidebar{width:160px;flex-basis:160px;display:block}.reference-ui .student-entry .row{grid-template-columns:1fr}.reference-ui .user-menu{gap:6px}.reference-ui .student-filter-line select{width:150px}}
@media(max-width:600px){.reference-ui .admin-layout{display:block;margin-top:18px}.reference-ui .sidebar{width:auto;margin-bottom:20px;display:flex;flex-wrap:wrap;gap:0}.reference-ui .sidebar>a{font-size:10px;flex:1 0 33%}.reference-ui .nav-group{width:100%}.reference-ui .navbar .container-fluid{align-items:flex-start;flex-wrap:wrap}.reference-ui .student-entry .row>[class*='col-']{grid-template-columns:100px minmax(0,1fr)}.reference-ui .school-select-panel{margin-top:45px}.reference-ui .settings-shortcut{top:-30px}}