*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #F1F5F9;--surface: #FFFFFF;--surface-hover: #F8FAFC;--surface-elevated: #FFFFFF;--border: #E2E8F0;--border-hover: #CBD5E1;--text: #0F172A;--text-muted: #64748B;--text-light: #94A3B8;--primary: #2563EB;--primary-hover: #1D4ED8;--primary-light: #EFF6FF;--primary-subtle: #DBEAFE;--danger: #DC2626;--danger-light: #FEF2F2;--success: #16A34A;--success-light: #F0FDF4;--warning: #D97706;--warning-light: #FFFBEB;--body-gradient: radial-gradient(ellipse 1200px 700px at 50% -10%, rgba(37,99,235,.05) 0%, transparent 70%);--radius: 10px;--radius-lg: 14px;--radius-xl: 18px;--shadow-xs: 0 1px 2px rgba(0,0,0,.04);--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-md: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);--shadow-lg: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);--sidebar-w: 230px;--score-I: #9CA3AF;--score-1: #EF4444;--score-2: #F97316;--score-3: #22C55E;--score-4: #2563EB}[data-theme=dark]{--bg: #0A0F1C;--surface: #121A2E;--surface-hover: #1A2440;--surface-elevated: #16203A;--border: #1F2B45;--border-hover: #2D3A5A;--text: #E5EAF4;--text-muted: #8B96AE;--text-light: #5D6A82;--primary: #5B8DEF;--primary-hover: #7AA3FF;--primary-light: rgba(91, 141, 239, .12);--primary-subtle: rgba(91, 141, 239, .2);--danger: #F87171;--danger-light: rgba(248, 113, 113, .1);--success: #4ADE80;--success-light: rgba(74, 222, 128, .1);--warning: #FBBF24;--warning-light: rgba(251, 191, 36, .1);--body-gradient: radial-gradient(ellipse 900px 600px at 15% -10%, rgba(91,141,239,.12) 0%, transparent 60%), radial-gradient(ellipse 700px 500px at 85% 100%, rgba(139,92,246,.08) 0%, transparent 55%);--shadow-xs: 0 1px 2px rgba(0,0,0,.4);--shadow-sm: 0 1px 3px rgba(0,0,0,.4), 0 0 0 1px rgba(255,255,255,.02) inset;--shadow: 0 4px 6px -1px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.02) inset;--shadow-md: 0 10px 20px -4px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.03) inset;--shadow-lg: 0 20px 40px -10px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.03) inset}body{background:var(--bg);background-image:var(--body-gradient);background-attachment:fixed}[data-theme=dark] .subtabs{background:linear-gradient(180deg,#121a2ecc,#0a0f1c99);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}[data-theme=dark] .subtab.active{background:var(--surface-elevated);border-color:#5b8def59;box-shadow:0 1px 2px #0006,0 8px 20px -8px #5b8def80,inset 0 0 0 1px #5b8def14}[data-theme=dark] .subtab:hover:not(:disabled):not(.active){background:#ffffff0a}[data-theme=dark] th{background:#ffffff05}[data-theme=dark] tr:hover td{background:#ffffff08}[data-theme=dark] .top-bar{background:#121a2ed9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:var(--surface-hover);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;font-size:15px;line-height:1;transition:all .2s ease;position:relative;overflow:hidden}.theme-toggle:hover{color:var(--text);border-color:var(--border-hover);background:var(--surface-elevated);transform:translateY(-1px)}.theme-toggle .icon{display:inline-block;transition:transform .4s cubic-bezier(.22,1,.36,1),opacity .2s}.theme-toggle:hover .icon{transform:rotate(25deg) scale(1.1)}[data-theme=dark] .theme-toggle{background:#ffffff0a;border-color:#ffffff1a}[data-theme=dark] .theme-toggle:hover{background:#5b8def1f;border-color:#5b8def4d;box-shadow:0 0 20px -6px #5b8def66}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{display:flex;min-height:100vh}.app-shell{display:flex;width:100%;min-height:100vh}.sidebar{width:var(--sidebar-w);background:linear-gradient(180deg,#0f172a,#1e293b);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto;border-right:1px solid rgba(255,255,255,.06)}.sidebar-logo{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-logo h1{font-family:Poppins,sans-serif;font-size:14px;font-weight:700;color:#fff;letter-spacing:-.01em}.sidebar-logo p{font-size:11px;color:#fff6;margin-top:3px}.gradebook-switcher{padding:10px 14px;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-nav{flex:1;padding:6px 10px;overflow-y:auto}.sidebar-user{padding:14px 18px;border-top:1px solid rgba(255,255,255,.06);background:#00000026}.nav-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;cursor:pointer;color:#ffffff80;font-size:13px;font-weight:500;border:none;background:none;width:100%;text-align:left;transition:all .12s ease}.nav-item:disabled{opacity:.25;cursor:default}.nav-item:hover:not(:disabled){background:#ffffff14;color:#ffffffe6}.nav-item.active{background:#2563eb33;color:#fff;font-weight:600;box-shadow:inset 3px 0 #2563eb}.nav-icon{font-size:15px;width:22px;text-align:center;flex-shrink:0}.main-content{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh;background:var(--bg)}.top-bar{background:var(--surface);border-bottom:1px solid var(--border);padding:10px 24px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:50;box-shadow:var(--shadow-xs)}.search-bar-wrap{flex:1;max-width:420px;position:relative}.search-bar-wrap input{width:100%;padding:9px 14px 9px 38px;border:1.5px solid var(--border);border-radius:10px;font-size:13px;background:var(--bg);color:var(--text);transition:all .15s}.search-bar-wrap input:focus{outline:none;border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 3px #2563eb14}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-light);font-size:14px}.alert-banner{--tone: var(--primary);display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:12px;cursor:pointer;margin-bottom:16px;background:linear-gradient(135deg,color-mix(in srgb,var(--tone) 10%,transparent),transparent 70%),var(--surface);border:1px solid color-mix(in srgb,var(--tone) 28%,var(--border));box-shadow:0 1px 3px #0000000a;transition:border-color .2s,box-shadow .2s,transform .2s}.alert-banner:hover{border-color:color-mix(in srgb,var(--tone) 50%,var(--border));box-shadow:0 8px 24px -12px color-mix(in srgb,var(--tone) 50%,transparent);transform:translateY(-1px)}.alert-banner.tone-danger{--tone: #EF4444}.alert-banner.tone-warning{--tone: #F97316}.alert-banner.tone-info{--tone: #6366F1}.alert-banner .ab-icon{width:38px;height:38px;border-radius:10px;background:color-mix(in srgb,var(--tone) 16%,var(--surface));display:inline-flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--tone) 30%,transparent)}.alert-banner .ab-title{font-size:14px;font-weight:700;color:color-mix(in srgb,var(--tone) 80%,var(--text));letter-spacing:-.01em}.alert-banner .ab-sub{font-size:12px;color:var(--text-muted);margin-top:2px}.alert-banner .ab-cta{font-size:12px;font-weight:700;color:var(--tone);white-space:nowrap;display:inline-flex;align-items:center;gap:4px;transition:transform .2s}.alert-banner:hover .ab-cta{transform:translate(2px)}[data-theme=dark] .alert-banner{background:linear-gradient(135deg,color-mix(in srgb,var(--tone) 16%,transparent),transparent 70%),var(--surface);border-color:color-mix(in srgb,var(--tone) 32%,var(--border))}[data-theme=dark] .alert-banner .ab-title{color:color-mix(in srgb,var(--tone) 45%,var(--text))}.health-list{display:flex;flex-direction:column;gap:8px;margin-top:6px}.health-row{--tone: var(--primary);display:grid;grid-template-columns:20px 1fr auto;gap:10px;align-items:center;padding:8px 10px;border-radius:8px;cursor:pointer;transition:background .15s}.health-row:hover{background:color-mix(in srgb,var(--tone) 8%,transparent)}.health-row .hr-dot{width:10px;height:10px;border-radius:50%;background:var(--tone);box-shadow:0 0 0 3px color-mix(in srgb,var(--tone) 18%,transparent);justify-self:center}.health-row .hr-body{display:flex;flex-direction:column;gap:4px;min-width:0}.health-row .hr-labels{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;font-weight:600;color:var(--text)}.health-row .hr-labels .hr-count{color:var(--tone);font-family:Poppins,sans-serif;font-weight:700;font-size:13px}.health-row .hr-bar{height:5px;border-radius:99px;background:color-mix(in srgb,var(--tone) 12%,var(--bg));overflow:hidden;position:relative}.health-row .hr-bar:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;width:var(--pct, 0%);background:linear-gradient(90deg,var(--tone),color-mix(in srgb,var(--tone) 70%,white));border-radius:99px;transition:width .8s cubic-bezier(.22,1,.36,1);box-shadow:0 0 8px -1px color-mix(in srgb,var(--tone) 60%,transparent)}.health-row .hr-arrow{font-size:12px;color:var(--text-light);transition:transform .15s,color .15s}.health-row:hover .hr-arrow{color:var(--tone);transform:translate(2px)}.card-premium{background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 3%,var(--surface)) 0%,var(--surface) 100%);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-sm)}[data-theme=dark] .card-premium{background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 8%,var(--surface)) 0%,var(--surface) 100%)}.quick-action{--accent: var(--primary);position:relative;display:flex;align-items:center;gap:11px;padding:10px 12px 10px 10px;background:transparent;border:1px solid var(--border);border-radius:10px;cursor:pointer;text-align:left;font-family:inherit;transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;width:100%;overflow:hidden}.quick-action:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 8%,transparent),transparent 60%);opacity:0;transition:opacity .25s ease;pointer-events:none}.quick-action:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--border));transform:translateY(-1px);box-shadow:0 8px 22px -12px color-mix(in srgb,var(--accent) 55%,transparent)}.quick-action:hover:before{opacity:1}.quick-action:active{transform:translateY(0)}.qa-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;background:color-mix(in srgb,var(--accent) 12%,var(--surface));font-size:15px;flex-shrink:0;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 20%,transparent);transition:transform .25s cubic-bezier(.22,1,.36,1),background .2s ease}.quick-action:hover .qa-icon{transform:scale(1.08) rotate(-4deg);background:color-mix(in srgb,var(--accent) 18%,var(--surface))}.qa-body{display:flex;flex-direction:column;gap:1px;flex:1;min-width:0}.qa-label{font-size:13px;font-weight:600;color:var(--text);letter-spacing:-.01em}.qa-meta{font-size:11px;color:var(--text-muted);letter-spacing:0}.qa-count{background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:1px 7px;border-radius:99px;min-width:20px;text-align:center;box-shadow:0 2px 8px -2px color-mix(in srgb,var(--accent) 60%,transparent)}.qa-arrow{font-size:13px;color:var(--text-light);transition:transform .2s ease,color .2s ease;flex-shrink:0}.quick-action:hover .qa-arrow{color:var(--accent);transform:translate(3px)}[data-theme=dark] .qa-icon{background:color-mix(in srgb,var(--accent) 18%,var(--surface-elevated));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 28%,transparent)}[data-theme=dark] .quick-action:hover{background:#ffffff05}.subtabs{background:linear-gradient(180deg,#fff,#f8fafc);border-bottom:1px solid var(--border);position:sticky;top:56px;z-index:40;box-shadow:0 1px #0f172a05,0 4px 12px -6px #0f172a0f}.subtabs-inner{display:flex;gap:4px;padding:12px 28px;overflow-x:auto;scrollbar-width:none;align-items:center}.subtabs-inner::-webkit-scrollbar{display:none}.subtab{position:relative;background:transparent;border:1px solid transparent;padding:8px 16px;font-size:13px;font-weight:600;color:var(--text-muted);cursor:pointer;border-radius:10px;white-space:nowrap;letter-spacing:-.01em;transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;font-family:inherit;-webkit-tap-highlight-color:transparent}.subtab:hover:not(:disabled):not(.active){color:var(--text);background:#0f172a0a}.subtab:disabled{opacity:.35;cursor:default}.subtab.active{color:var(--primary);background:#fff;border-color:#2563eb2e;box-shadow:0 1px 2px #0f172a0a,0 6px 16px -8px #2563eb59,inset 0 0 0 1px #2563eb0a;font-weight:700}.subtab.active:before{content:"";position:absolute;left:10px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--primary);transform:translateY(-50%);box-shadow:0 0 0 3px #2563eb24}.subtab.active{padding-left:22px}.page{padding:28px;flex:1}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.page-title{font-family:Poppins,sans-serif;font-size:22px;font-weight:700;letter-spacing:-.02em}.page-sub{font-size:13px;color:var(--text-muted);margin-top:4px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .15s ease;white-space:nowrap;font-family:inherit}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 3px #2563eb4d}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 4px 12px #2563eb4d;transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover{background:var(--surface-hover);border-color:var(--border-hover)}.btn-danger{background:var(--danger);color:#fff;box-shadow:0 1px 3px #dc26264d}.btn-danger:hover{background:#b91c1c}.btn-ghost{background:none;color:var(--text-muted);border:none;padding:6px 10px}.btn-ghost:hover{color:var(--text);background:var(--bg)}.btn-sm{padding:6px 12px;font-size:12px}.btn-xs{padding:4px 9px;font-size:11px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm);transition:box-shadow .15s ease}.card:hover{box-shadow:var(--shadow)}.card-sm{padding:16px}.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm)}table{width:100%;border-collapse:collapse;background:var(--surface)}th{background:var(--bg);font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:10px 16px;text-align:left;border-bottom:1px solid var(--border)}td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:13px}tr:last-child td{border-bottom:none}tr:hover td{background:var(--surface-hover)}.table-actions{display:flex;gap:6px}.form-group{margin-bottom:18px}label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],textarea{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--text);background:var(--surface);transition:border-color .15s,box-shadow .15s}input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb14}input:hover:not(:focus),textarea:hover:not(:focus){border-color:var(--border-hover)}textarea{resize:vertical;min-height:80px}select{width:100%;padding:10px 34px 10px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--text);background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748B' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:12px 8px;-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer;transition:border-color .15s,box-shadow .15s}select:hover:not(:focus){border-color:var(--border-hover)}select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb14}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;overflow-y:auto}.modal{background:var(--surface);border-radius:var(--radius-xl);padding:28px;width:100%;max-width:600px;box-shadow:var(--shadow-lg);position:relative;max-height:90vh;overflow-y:auto}.modal-lg{max-width:900px}.modal-xl{max-width:1100px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.modal-header h2{font-family:Poppins,sans-serif;font-size:18px;font-weight:700;letter-spacing:-.01em}.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--text-light);padding:4px;border-radius:8px;transition:all .12s}.modal-close:hover{background:var(--bg);color:var(--text)}.modal-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--border)}.score-badge{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;font-size:12px;font-weight:700;color:#fff;cursor:default}.score-badge.score-I{background:var(--score-I)}.score-badge.score-1{background:var(--score-1)}.score-badge.score-2{background:var(--score-2)}.score-badge.score-3{background:var(--score-3)}.score-badge.score-4{background:var(--score-4)}.score-badge.score-empty{background:#e5e7eb;color:var(--text-muted)}.score-dot{width:10px;height:10px;border-radius:50%;display:inline-block}.std-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:99px;font-size:11px;font-weight:600;background:var(--primary-light);color:var(--primary);white-space:nowrap;cursor:default}.category-badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:600}.tooltip-wrap{position:relative;display:inline-flex}.tooltip{display:none;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);background:#0f172a;color:#fff;padding:8px 12px;border-radius:8px;font-size:12px;max-width:280px;white-space:normal;z-index:1000;pointer-events:none;line-height:1.4;box-shadow:var(--shadow-md)}.tooltip-wrap:hover .tooltip{display:block}.tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-top-color:#0f172a}.empty-state{text-align:center;padding:56px 24px;color:var(--text-muted)}.empty-state .icon{font-size:52px;margin-bottom:16px}.empty-state h3{font-family:Poppins,sans-serif;font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px}.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:600}.badge-primary{background:var(--primary-light);color:var(--primary)}.badge-muted{background:var(--surface-hover);color:var(--text-muted);border:1px solid var(--border)}.divider{border:none;border-top:1px solid var(--border);margin:18px 0}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;box-shadow:var(--shadow-xs)}.stat-card .value{font-family:Poppins,sans-serif;font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.02em;line-height:1.1}.stat-card .label{font-size:11px;color:var(--text-muted);margin-top:3px;font-weight:500}.section-title{font-family:Poppins,sans-serif;font-size:13px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}.alert{padding:12px 16px;border-radius:var(--radius);font-size:13px;margin-bottom:16px;font-weight:500}.alert-error{background:var(--danger-light);color:var(--danger);border:1px solid #FECACA}.alert-success{background:var(--success-light);color:var(--success);border:1px solid #BBF7D0}.inline-form{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;margin-bottom:16px}.score-select{padding:5px 8px;border:1.5px solid var(--border);border-radius:8px;font-size:12px;font-weight:700;cursor:pointer;background:var(--surface);min-width:64px;transition:all .12s}.score-grid-wrap{overflow-x:auto}.score-grid{border-collapse:collapse;min-width:100%}.score-grid th,.score-grid td{border:1px solid var(--border);padding:6px 10px;font-size:12px;white-space:nowrap}.score-grid th{background:var(--bg);text-align:center}.score-grid th.student-col{text-align:left;min-width:160px}.score-grid td.student-col{font-weight:500}.score-grid td{text-align:center}.toggle-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:99px;font-size:11px;font-weight:600;cursor:pointer;border:1.5px solid transparent;transition:all .15s}.toggle-btn.active{background:#dcfce7;color:#15803d;border-color:#86efac}.toggle-btn.inactive{background:var(--bg);color:var(--text-muted);border-color:var(--border)}.std-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;margin-bottom:8px;transition:all .15s;box-shadow:var(--shadow-xs)}.std-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-sm)}.std-card.inactive{opacity:.45}.std-card-header{display:flex;align-items:flex-start;gap:10px}.std-card-code{font-size:13px;font-weight:700;color:var(--text)}.std-card-desc{font-size:12px;color:var(--text-muted);margin-top:3px;line-height:1.5}.std-card-actions{display:flex;gap:4px;margin-left:auto;flex-shrink:0}.category-section{margin-bottom:28px}.category-header{display:flex;align-items:center;gap:10px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border)}.category-header h3{font-family:Poppins,sans-serif;font-size:15px;font-weight:700}.checkbox-label{display:flex;align-items:flex-start;gap:10px;cursor:pointer;padding:10px;border-radius:var(--radius);transition:background .12s}.checkbox-label:hover{background:var(--bg)}.checkbox-label input{margin-top:2px;width:16px;height:16px;flex-shrink:0;accent-color:var(--primary);cursor:pointer}.checkbox-label .std-info{flex:1}.checkbox-label .std-code{font-size:12px;font-weight:700}.checkbox-label .std-desc{font-size:12px;color:var(--text-muted);margin-top:2px}.note-card{background:#fffbeb;border:1px solid #FDE68A;border-radius:var(--radius-lg);padding:16px 18px;transition:border-color .15s}.note-card:hover{border-color:#f59e0b}.print-only{display:none}@media print{*{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}html,body{background:#fff!important}.sidebar,.top-bar,.no-print{display:none!important}.main-content{margin-left:0!important}.print-only{display:block!important}.page{padding:0}.card{box-shadow:none;border:1px solid #ccc;break-inside:avoid}.modal-overlay,.modal{display:none!important}body{font-size:12px}.tooltip{display:none!important}.note-card{background:#fff;border:1px solid #ccc}}@media print{body.print-report *{visibility:hidden!important}body.print-report .report-overlay{visibility:visible!important;position:fixed!important;top:0!important;right:0!important;bottom:0!important;left:0!important;background:#fff!important;overflow:visible!important;padding:0!important;z-index:9999!important}body.print-report .report-root{visibility:visible!important;position:static!important;max-width:none!important;width:100%!important;margin:0!important;box-shadow:none!important;border-radius:0!important;overflow:visible!important;background:#fff!important;padding:20px 28px!important}body.print-report .report-root *{visibility:visible!important}body.print-report .no-print{display:none!important;visibility:hidden!important}@page{size:A4 portrait;margin:10mm}}@media print{body.print-student *{visibility:hidden!important}body.print-student .student-report-root,body.print-student .student-report-root *{visibility:visible!important}body.print-student .student-report-root{position:fixed!important;top:0!important;right:0!important;bottom:0!important;left:0!important;overflow:visible!important;padding:20px 28px!important;background:#fff!important;font-family:Georgia,serif!important}body.print-student .no-student-print{display:none!important}@page{size:A4;margin:12mm 14mm}}.hamburger{display:none;background:none;border:none;font-size:22px;cursor:pointer;padding:4px 8px;color:var(--text);line-height:1}@media (max-width: 768px){.hamburger{display:block}.sidebar{width:var(--sidebar-w);transform:translate(-100%);transition:transform .2s ease;z-index:150}.sidebar.open{transform:translate(0)}.sidebar-logo p,.nav-item span{display:none}.sidebar.open .sidebar-logo p,.sidebar.open .nav-item span{display:block}.sidebar.open .nav-item{justify-content:flex-start}.main-content{margin-left:0}.form-row,.form-row-3{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.score-grid td,.score-grid th{padding:8px 6px}.score-select{min-width:52px;font-size:14px}.page{padding:16px}.top-bar{padding:10px 16px}.modal-overlay{padding:0;align-items:flex-end}.modal{border-radius:var(--radius-xl) var(--radius-xl) 0 0;max-height:92vh}.modal-lg,.modal-xl{max-width:100%}}.sidebar-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:140}.sidebar-backdrop.visible{display:block}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media print{.no-print{display:none!important}@page{size:A4;margin:15mm}}