/* ── RESET & BASE ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:   #0A1628;
  --blue:   #1565C0;
  --mid:    #1976D2;
  --light:  #42A5F5;
  --pale:   #E3F2FD;
  --accent: #00B0FF;
  --green:  #00C853;
  --red:    #F44336;
  --orange: #FF6D00;
  --gold:   #FFD600;
  --text:   #0D1B2A;
  --muted:  #546E7A;
  --border: #B0BEC5;
  --card:   #FFFFFF;
  --bg:     #F0F4F8;
  --r:      12px;
  --shadow: 0 4px 24px rgba(21,101,192,.13);
  --shadow2:0 8px 40px rgba(21,101,192,.18);
}
html{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);font-size:15px}
body{min-height:100vh}
button{font-family:inherit;cursor:pointer;border:none;outline:none}
input,select,textarea{font-family:inherit;outline:none}

::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--pale)}
::-webkit-scrollbar-thumb{background:var(--light);border-radius:3px}

#toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.toast{display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:10px;font-size:13.5px;font-weight:500;box-shadow:0 4px 20px rgba(0,0,0,.18);animation:slideIn .3s ease;min-width:260px;max-width:380px;border-left:4px solid;}
.toast.success{background:#E8F5E9;color:#2E7D32;border-color:var(--green)}
.toast.error  {background:#FFEBEE;color:#C62828;border-color:var(--red)}
.toast.info   {background:#E3F2FD;color:#1565C0;border-color:var(--accent)}
.toast svg{flex-shrink:0;width:18px;height:18px}
@keyframes slideIn{from{transform:translateX(120%);opacity:0}to{transform:translateX(0);opacity:1}}

.modal-backdrop{position:fixed;inset:0;background:rgba(10,22,40,.55);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{background:var(--card);border-radius:var(--r);padding:32px 36px;width:min(520px,92vw);box-shadow:var(--shadow2);animation:popIn .25s ease;max-height:88vh;overflow-y:auto;}
@keyframes popIn{from{transform:scale(.93);opacity:0}to{transform:scale(1);opacity:1}}
.modal-title{font-family:'Syne',sans-serif;font-size:1.25rem;font-weight:800;color:var(--blue);margin-bottom:20px}

#login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 60%,var(--light) 100%);position:relative;overflow:hidden;}
#login-page::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23FFFFFF' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");}
.login-card{background:var(--card);border-radius:20px;padding:clamp(28px,6vw,48px) clamp(20px,6vw,44px);width:min(420px,92vw);box-shadow:0 24px 80px rgba(0,0,0,.35);position:relative;z-index:1;}
.login-logo{display:flex;align-items:center;gap:12px;margin-bottom:32px;flex-wrap:nowrap;min-width:0;}
.login-logo h1{white-space:nowrap;font-size:clamp(1rem,4vw,1.4rem)}
.login-logo>div{min-width:0;overflow:hidden}
.login-logo-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--blue),var(--accent));border-radius:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(21,101,192,.4);}
.login-logo-icon svg{width:26px;height:26px;fill:white}
.login-logo h1{font-family:'Syne',sans-serif;font-size:1.4rem;font-weight:800;color:var(--navy);line-height:1.1}
.login-logo span{font-size:.8rem;color:var(--muted);font-weight:400;display:block;margin-top:2px}
.login-subtitle{font-size:.875rem;color:var(--muted);margin-bottom:28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:7px}
.field input,.field select{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:10px;font-size:.95rem;transition:border .2s,box-shadow .2s;background:var(--bg);}
.field input:focus,.field select:focus{border-color:var(--mid);box-shadow:0 0 0 3px rgba(25,118,210,.12)}
.btn-primary{width:100%;padding:13px;background:linear-gradient(135deg,var(--blue),var(--mid));color:white;border-radius:10px;font-size:.95rem;font-weight:600;letter-spacing:.02em;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 18px rgba(21,101,192,.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(21,101,192,.90); background: linear-gradient(to right,rgb(21,101,192), rgb(126, 240, 231) ) }
.login-error{background:#FFEBEE;color:#C62828;border-radius:8px;padding:10px 14px;font-size:.85rem;margin-bottom:16px;border-left:3px solid var(--red);display:none;}

#app{display:none;flex-direction:row;min-height:100vh}
#sidebar{width:240px;background:var(--navy);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0;}
.sidebar-header{padding:24px 20px 16px;border-bottom:1px solid rgba(255,255,255,.07);}
.sidebar-brand{display:flex;align-items:center;gap:10px;}
.sidebar-brand-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--mid),var(--accent));border-radius:10px;display:flex;align-items:center;justify-content:center;}
.sidebar-brand-icon svg{width:18px;height:18px;fill:white}
.sidebar-brand h2{font-family:'Syne',sans-serif;font-size:1rem;font-weight:800;color:white;line-height:1}
.sidebar-brand span{font-size:.7rem;color:rgba(255,255,255,.45);display:block;margin-top:2px}
.sidebar-user{padding:14px 20px 16px;border-bottom:1px solid rgba(255,255,255,.07);}
.sidebar-user-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);border-radius:20px;padding:5px 12px 5px 8px;font-size:.75rem;color:rgba(255,255,255,.75);}
.sidebar-user-dot{width:8px;height:8px;border-radius:50%;background:var(--green)}
.sidebar-nav{flex:1;overflow-y:auto;padding:12px 10px}
.nav-section-title{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.3);padding:10px 10px 6px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;cursor:pointer;transition:background .15s,color .15s;color:rgba(255,255,255,.6);font-size:.875rem;font-weight:500;margin-bottom:2px;}
.nav-item svg{width:17px;height:17px;flex-shrink:0;opacity:.7}
.nav-item:hover{background:rgba(255,255,255,.07);color:rgba(255,255,255,.9)}
.nav-item.active{background:linear-gradient(90deg,var(--mid),rgba(25,118,210,.7));color:white}
.nav-item.active svg{opacity:1}
.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.07);}
.btn-logout{width:100%;padding:10px;background:rgba(244,67,54,.12);color:#EF9A9A;border-radius:8px;font-size:.8rem;font-weight:600;transition:background .15s;display:flex;align-items:center;justify-content:center;gap:7px;}
.btn-logout:hover{background:rgba(244,67,54,.22);color:#FFCDD2}
.btn-logout svg{width:15px;height:15px}

#main{flex:1;overflow-y:auto;padding:28px 32px}
.page{display:none}
.page.active{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.page-header{margin-bottom:24px}
.page-title{font-family:'Syne',sans-serif;font-size:1.6rem;font-weight:800;color:var(--navy)}
.page-sub{font-size:.875rem;color:var(--muted);margin-top:4px}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px;margin-bottom:28px}
.stat-card{background:var(--card);border-radius:var(--r);padding:20px;box-shadow:var(--shadow);border-left:4px solid;display:flex;align-items:center;gap:14px;}
.stat-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.stat-icon svg{width:22px;height:22px}
.stat-val{font-family:'Syne',sans-serif;font-size:1.7rem;font-weight:800}
.stat-label{font-size:.75rem;color:var(--muted);font-weight:500;margin-top:2px}

.table-card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.table-toolbar{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--pale);flex-wrap:wrap;gap:12px;}
.table-toolbar-title{font-weight:700;font-size:.95rem;color:var(--navy)}
.search-box{display:flex;align-items:center;gap:8px;background:var(--bg);border:1.5px solid var(--border);border-radius:8px;padding:7px 12px;}
.search-box svg{width:15px;height:15px;color:var(--muted)}
.search-box input{background:none;border:none;font-size:.85rem;width:200px;color:var(--text)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.85rem}
thead th{background:var(--pale);padding:11px 16px;text-align:left;font-weight:700;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--blue);white-space:nowrap;}
tbody tr{border-bottom:1px solid #F5F7FA;transition:background .12s}
tbody tr:hover{background:#F8FBFF}
tbody td{padding:11px 16px;color:var(--text);vertical-align:middle}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600;white-space:nowrap;}
.badge-blue  {background:#E3F2FD;color:var(--blue)}
.badge-green {background:#E8F5E9;color:#2E7D32}
.badge-red   {background:#FFEBEE;color:#C62828}
.badge-orange{background:#FFF3E0;color:#E65100}
.badge-grey  {background:#ECEFF1;color:#546E7A}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid.single{grid-template-columns:1fr}
.form-group{margin-bottom:0}
.form-group.full{grid-column:1/-1}
.form-label{display:block;font-size:.78rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
.form-input,.form-select{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:9px;font-size:.9rem;background:var(--bg);transition:border .2s,box-shadow .2s;color:var(--text);}
.form-input:focus,.form-select:focus{border-color:var(--mid);box-shadow:0 0 0 3px rgba(25,118,210,.1)}
.form-input.error{border-color:var(--red)}

.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:9px;font-size:.85rem;font-weight:600;transition:all .15s;cursor:pointer;border:none;white-space:nowrap;}
.btn svg{width:15px;height:15px;flex-shrink:0}
.btn-blue{background:var(--blue);color:white;box-shadow:0 2px 10px rgba(21,101,192,.3)}
.btn-blue:hover{background:var(--mid);transform:translateY(-1px);background: linear-gradient(to right, var(--blue), rgb(108, 215, 245) );box-shadow:0 6px 24px rgba(21,101,192,.45)}
.btn-outline{background:transparent;color:var(--blue);border:1.5px solid var(--blue)}
.btn-outline:hover{background:var(--pale)}
.btn-red{background:var(--red);color:white}
.btn-red:hover{background:#D32F2F;background: linear-gradient(to right, #D32F2F, rgb(199, 81, 81) );box-shadow:0 6px 24px rgba(21,101,192,.45)}
.btn-green{background:var(--green);color:white}
.btn-green:hover{background:#00A040;background: linear-gradient(to right, #00A040, rgb(110, 239, 188) );box-shadow:0 6px 24px rgba(21,101,192,.45)}
.btn-sm{padding:6px 13px;font-size:.78rem}
.btn-icon{padding:7px;border-radius:7px}

.report-card{background:var(--card);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}
.report-header-grid{display:grid;grid-template-columns:1fr auto;gap:16px;margin-bottom:20px;align-items:start}
.report-info-row{display:flex;gap:24px;flex-wrap:wrap;margin-bottom:16px}
.report-info-item{font-size:.85rem}
.report-info-item strong{color:var(--blue);display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}
.summary-band{display:flex;gap:0;border-radius:10px;overflow:hidden;margin:16px 0;}
.summary-cell{flex:1;padding:12px;text-align:center;background:var(--blue);color:white;}
.summary-cell:nth-child(even){background:var(--mid)}
.summary-cell .val{font-family:'Syne',sans-serif;font-size:1.3rem;font-weight:800}
.summary-cell .lbl{font-size:.68rem;opacity:.8;text-transform:uppercase;letter-spacing:.05em}
.grade-A{color:#00C853;font-weight:700}
.grade-B{color:#1565C0;font-weight:700}
.grade-C{color:#FF6D00;font-weight:700}
.grade-D{color:#FF9800;font-weight:700}
.grade-F{color:#F44336;font-weight:700}
.fail-row td{color:var(--red)!important}

.scoresheet-table{font-size:.78rem}
.scoresheet-table thead th{padding:8px 10px;font-size:.68rem}
.scoresheet-table tbody td{padding:8px 10px}

.marks-student-row{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg);border-radius:9px;margin-bottom:8px;}
.marks-student-name{flex:1;font-weight:600;font-size:.9rem}
.marks-score-input{width:80px;padding:7px 10px;border:1.5px solid var(--border);border-radius:7px;font-size:.9rem;text-align:center;background:white;}
.marks-score-input:focus{border-color:var(--mid);box-shadow:0 0 0 2px rgba(25,118,210,.1)}
.marks-saved-badge{font-size:.72rem;color:var(--green);font-weight:600;min-width:50px}

.empty-state{padding:60px 20px;text-align:center;}
.empty-state svg{width:56px;height:56px;color:var(--border);margin-bottom:14px}
.empty-state p{color:var(--muted);font-size:.9rem}

.tabs{display:flex;gap:4px;background:var(--pale);padding:4px;border-radius:10px;margin-bottom:20px;flex-wrap:wrap}
.tab{padding:8px 18px;border-radius:8px;font-size:.85rem;font-weight:600;color:var(--muted);cursor:pointer;transition:all .15s;}
.tab.active{background:white;color:var(--blue);box-shadow:0 2px 8px rgba(0,0,0,.1)}

.section-card{background:var(--card);border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow);margin-bottom:20px}
.section-card-title{font-weight:700;color:var(--navy);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.section-card-title svg{width:18px;height:18px;color:var(--blue)}

.progress-bar{height:6px;background:var(--pale);border-radius:3px;overflow:hidden;margin-top:4px}
.progress-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--blue),var(--accent));transition:width .4s ease}

.page-back-btn{display:none;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;background:var(--pale);color:var(--blue);border:1.5px solid var(--blue);font-size:.82rem;font-weight:600;cursor:pointer;transition:background .15s;margin-bottom:14px;}
.page-back-btn:hover{background:#dceeff}
.page-back-btn svg{width:15px;height:15px}

.spinner{width:32px;height:32px;border:3px solid var(--pale);border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite;margin:40px auto;}
@keyframes spin{to{transform:rotate(360deg)}}

.btn-pdf{background:#FF6D00;color:white;box-shadow:0 2px 10px rgba(255,109,0,.3)}
.btn-pdf:hover{background:#E65100;transform:translateY(-1px)}

.term-banner{background:linear-gradient(90deg,var(--blue),var(--mid));color:white;padding:8px 20px;display:flex;align-items:center;justify-content:space-between;font-size:.82rem;font-weight:600;flex-wrap:wrap;gap:8px;}
.term-banner.closed{background:linear-gradient(90deg,#B71C1C,#E53935)}
.term-banner.none{background:linear-gradient(90deg,#424242,#616161)}
.term-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.18);border-radius:20px;padding:3px 12px;}

#hamburger{display:none;position:fixed;top:14px;left:14px;z-index:200;width:40px;height:40px;border-radius:10px;background:var(--blue);color:white;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 12px rgba(21,101,192,.4);flex-direction:column;gap:5px;padding:10px;border:none;}
#hamburger span{display:block;width:100%;height:2px;background:white;border-radius:2px;transition:all .25s;}
#overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:99;}

@media(max-width:768px){
  #hamburger{display:flex}
  #sidebar{position:fixed;left:-240px;z-index:100;transition:left .25s;height:100vh}
  #sidebar.open{left:0}
  #overlay.show{display:block}
  #main{padding:64px 14px 20px 14px}
  .form-grid{grid-template-columns:1fr;gap:12px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:10px}
  .page-title{font-size:1.25rem}
  .page-sub{font-size:.8rem}
  #term-banner{margin:-64px -14px 18px -14px!important}
  .term-banner{padding:8px 14px;flex-direction:column;align-items:flex-start;gap:4px}
  .summary-band{flex-wrap:wrap}
  .summary-cell{min-width:calc(50% - 2px);flex:1 1 calc(50% - 2px)}
  .table-wrap{font-size:.78rem}
  thead th{padding:8px 10px;font-size:.68rem}
  tbody td{padding:8px 10px}
  .modal{padding:22px 18px;width:94vw}
  .section-card{padding:16px 14px;overflow-x:hidden}
  .table-toolbar{padding:14px 16px}
  .table-toolbar-title{font-size:.88rem}
  .search-box input{width:140px}
  .report-header-grid{grid-template-columns:1fr;gap:10px}
  .report-info-row{gap:12px}
  .btn{padding:8px 14px;font-size:.8rem}
  .stat-card{padding:14px;gap:10px}
  .stat-val{font-size:1.35rem}
  .tabs{gap:3px;padding:3px}
  .tab{padding:7px 12px;font-size:.78rem}
  canvas{max-width:100%!important}
  #analytics-chart{width:100%!important;height:220px!important}
  
  #student-filter-dropdown{
    position:fixed!important;
    top:50%!important;
    left:50%!important;
    right:auto!important;
    transform:translate(-50%,-50%);
    width:min(300px,88vw)!important;
    max-height:80vh;
    overflow-y:auto;
    z-index:2000;
    box-shadow:0 12px 40px rgba(0,0,0,.28)!important;
  }
  #student-filter-dropdown::before{
    content:'';
    position:fixed;
    inset:0;
    background:rgba(10,22,40,.45);
    z-index:-1;
    margin:-1000px; 
  }
}

@media(max-width:480px){
  html{font-size:14px}
  .stats-grid{grid-template-columns:1fr}
  .summary-cell{min-width:100%;flex:1 1 100%}
  .login-card{padding:24px 18px}
  .modal{width:96vw;padding:18px 14px}
  .table-wrap{font-size:.72rem}
  thead th{padding:6px 8px;font-size:.63rem}
  tbody td{padding:7px 8px}
  .section-card{padding:14px 12px}
  .page-title{font-size:1.1rem}
}

/* ── CONFIG PAGE: SCHOOL SETTINGS BUILDER (shared with registration wizard) ── */
.field{margin-bottom:18px}
.field label{display:block;font-size:.77rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:7px}
.field label .opt{font-weight:400;opacity:.65;text-transform:none;letter-spacing:0;font-size:.75rem}
.field input,.field select,.field textarea{
  width:100%;padding:11px 15px;
  border:1.5px solid var(--border);border-radius:10px;
  font-size:.93rem;transition:border .2s,box-shadow .2s;background:var(--bg);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--mid);box-shadow:0 0 0 3px rgba(25,118,210,.12);background:white}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:540px){.field-row{grid-template-columns:1fr}}

.logo-upload-area{
  border:2px dashed var(--border);border-radius:12px;
  padding:22px;text-align:center;cursor:pointer;
  transition:border .2s,background .2s;background:var(--bg);
  position:relative;
}
.logo-upload-area:hover,.logo-upload-area.drag-over{border-color:var(--mid);background:var(--pale)}
.logo-upload-area input[type="file"]{display:none}
.logo-preview{
  width:80px;height:80px;border-radius:14px;
  object-fit:contain;border:1.5px solid var(--border);
  background:white;display:none;margin:0 auto 10px;
}
.logo-upload-icon{width:36px;height:36px;fill:var(--border);margin:0 auto 10px;display:block}
.logo-upload-text{font-size:.83rem;color:var(--muted);line-height:1.5}
.logo-upload-btn{
  margin-top:10px;display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:8px;background:var(--pale);color:var(--blue);
  font-size:.83rem;font-weight:600;border:1.5px solid var(--blue);cursor:pointer;
}

.classes-list{display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.class-row{
  display:flex;align-items:flex-start;gap:10px;
  background:var(--bg);border-radius:12px;padding:14px 16px;
  border:1.5px solid var(--border);
}
.class-main{flex:1;min-width:0}
.class-name-row{display:flex;gap:10px;align-items:center;margin-bottom:10px}
.class-name-row input{flex:1;padding:9px 12px;border:1.5px solid var(--border);border-radius:8px;font-size:.9rem;background:white}
.class-name-row input:focus{border-color:var(--mid);box-shadow:0 0 0 3px rgba(25,118,210,.1)}
.streams-wrap{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.stream-tag{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--pale);color:var(--blue);
  border:1px solid #90CAF9;border-radius:20px;
  padding:4px 10px;font-size:.78rem;font-weight:600;
}
.stream-tag button{background:none;border:none;cursor:pointer;color:var(--muted);padding:0;width:14px;height:14px;display:flex;align-items:center;justify-content:center;font-size:.9rem;line-height:1}
.stream-tag button:hover{color:var(--red)}
.add-stream-row{display:flex;gap:7px}
.add-stream-row input{flex:1;padding:6px 10px;border:1.5px solid var(--border);border-radius:8px;font-size:.83rem;background:white;max-width:150px}
.add-stream-row input:focus{border-color:var(--mid)}
.btn-add-stream{padding:6px 12px;background:var(--pale);color:var(--blue);border:1.5px solid var(--blue);border-radius:8px;font-size:.78rem;font-weight:600;cursor:pointer;white-space:nowrap}
.btn-add-stream:hover{background:#dceeff}
.btn-del-class{background:none;border:none;cursor:pointer;color:var(--border);padding:4px;border-radius:6px;flex-shrink:0;transition:color .15s}
.btn-del-class:hover{color:var(--red)}
.btn-del-class svg{width:18px;height:18px;fill:currentColor;display:block}
.btn-add-class{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:12px 16px;border-radius:10px;
  border:2px dashed var(--border);background:none;
  color:var(--muted);font-size:.88rem;font-weight:600;
  transition:border .15s,color .15s;cursor:pointer;
}
.btn-add-class:hover{border-color:var(--blue);color:var(--blue)}
.btn-add-class svg{width:18px;height:18px;fill:currentColor}

.subjects-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.subject-row{
  display:flex;align-items:center;gap:10px;
  background:var(--bg);border-radius:10px;padding:10px 14px;
  border:1.5px solid var(--border);
}
.subject-row input.subj-name{flex:1;padding:8px 12px;border:1.5px solid var(--border);border-radius:8px;font-size:.88rem;background:white;min-width:0}
.subject-row input.subj-abbr{width:68px;padding:8px 10px;border:1.5px solid var(--border);border-radius:8px;font-size:.88rem;text-align:center;background:white;font-weight:700;text-transform:uppercase;flex-shrink:0}
.subject-row input:focus{border-color:var(--mid);box-shadow:0 0 0 3px rgba(25,118,210,.1)}
.subject-row .abbr-label{font-size:.7rem;color:var(--muted);flex-shrink:0;white-space:nowrap}
.btn-del-subj{background:none;border:none;cursor:pointer;color:var(--border);padding:3px;border-radius:5px;flex-shrink:0}
.btn-del-subj:hover{color:var(--red)}
.btn-del-subj svg{width:16px;height:16px;fill:currentColor;display:block}
.btn-add-subj{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:10px 14px;border-radius:10px;
  border:2px dashed var(--border);background:none;
  color:var(--muted);font-size:.86rem;font-weight:600;
  transition:border .15s,color .15s;cursor:pointer;
}
.btn-add-subj:hover{border-color:var(--blue);color:var(--blue)}
.btn-add-subj svg{width:16px;height:16px;fill:currentColor}
.abbr-hint{font-size:.73rem;color:var(--muted);margin-bottom:12px}

.grades-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.grade-row{
  display:flex;align-items:center;gap:10px;
  background:var(--bg);border-radius:10px;padding:10px 14px;
  border:1.5px solid var(--border);
}
.grade-row .gr-range{display:flex;align-items:center;gap:6px;flex:1;flex-wrap:wrap}
.grade-row input.gr-min,.grade-row input.gr-max{
  width:62px;padding:8px 10px;border:1.5px solid var(--border);
  border-radius:8px;font-size:.88rem;text-align:center;background:white;
}
.grade-row input.gr-name{
  width:58px;padding:8px 10px;border:1.5px solid var(--border);
  border-radius:8px;font-size:.9rem;text-align:center;background:white;font-weight:700;flex-shrink:0;
}
.grade-row input:focus{border-color:var(--mid);box-shadow:0 0 0 3px rgba(25,118,210,.1)}
.grade-row .gr-lbl{font-size:.75rem;color:var(--muted);flex-shrink:0}
.btn-del-grade{background:none;border:none;cursor:pointer;color:var(--border);padding:3px;border-radius:5px;flex-shrink:0}
.btn-del-grade:hover{color:var(--red)}
.btn-del-grade svg{width:16px;height:16px;fill:currentColor;display:block}
.btn-add-grade{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:10px 14px;border-radius:10px;
  border:2px dashed var(--border);background:none;
  color:var(--muted);font-size:.86rem;font-weight:600;
  transition:border .15s,color .15s;cursor:pointer;
}
.btn-add-grade:hover{border-color:var(--blue);color:var(--blue)}
.btn-add-grade svg{width:16px;height:16px;fill:currentColor}
.grade-preview{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;padding-top:12px;
  border-top:1px solid var(--pale);
}
.grade-badge{
  padding:4px 12px;border-radius:20px;font-size:.78rem;font-weight:700;
  background:var(--pale);color:var(--blue);border:1px solid #90CAF9;
}

.config-subsection{margin-bottom:26px}
.config-subsection:last-child{margin-bottom:0}
.config-subsection-title{font-weight:700;color:var(--navy);margin-bottom:12px;font-size:.95rem}