:root{--bg:#eef1f4;--surface:#fff;--surface-soft:#f3f5f7;--border:#d7dde5;--text:#18202b;--muted:#697386;--primary:#334155;--primary-dark:#1f2937;--navy:#141a22;--success:#15803d;--warning:#a16207;--danger:#b91c1c;--shadow:0 8px 22px #0f172a0d}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,Segoe UI,Arial,sans-serif}button,input,textarea,select{font-family:inherit}button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:7px;justify-content:center;align-items:center;gap:8px;padding:8px 12px;font-size:13px;font-weight:650;transition:all .2s;display:inline-flex}button:hover{background:var(--primary-dark);transform:translateY(-1px)}button:disabled{cursor:not-allowed;opacity:.45;transform:none}button.secondary{color:var(--text);background:#e6eaf0}button.danger{background:var(--danger)}button.ghost{color:var(--muted);background:0 0}input,textarea,select{border:1px solid var(--border);width:100%;color:var(--text);background:#fff;border-radius:7px;outline:none;padding:9px 10px;font-size:13px}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3341551a}textarea{resize:vertical;min-height:72px}.app-shell{min-height:100vh;padding:24px}.page{max-width:1180px;margin:0 auto}.card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:9px;padding:14px}.card+.card{margin-top:12px}.page-header{margin-bottom:14px}.page-header h1{letter-spacing:0;margin:0;font-size:22px}.page-header p{margin:6px 0 0}.muted{color:var(--muted)}.grid{gap:12px;display:grid}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.full{grid-column:1/-1}.badge{color:var(--primary);background:#e8edf3;border-radius:999px;align-items:center;gap:6px;padding:4px 8px;font-size:11px;font-weight:700;display:inline-flex}.badge.success{color:var(--success);background:#e7f3eb}.badge.warning{color:var(--warning);background:#f6efdf}.badge.danger{color:var(--danger);background:#fee2e2}.icon{width:18px;height:18px}.spinner{border:2px solid;border-right-color:#0000;border-radius:999px;width:15px;height:15px;animation:.75s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login-page{background:linear-gradient(135deg, #33415514, transparent 38%), linear-gradient(315deg, #16a34a14, transparent 34%), var(--bg);grid-template-columns:minmax(0,560px) minmax(360px,410px);justify-content:center;align-items:center;gap:34px;min-height:100vh;padding:42px 32px;display:grid}.brand-panel{gap:18px;max-width:560px;display:grid}.brand-logo{color:var(--primary);letter-spacing:0;font-size:46px;font-weight:850;line-height:1}.brand-kicker,.login-trust-row span{width:fit-content;color:var(--primary);align-items:center;gap:8px;font-size:13px;font-weight:800;display:inline-flex}.brand-panel h1{letter-spacing:0;max-width:600px;margin:0;font-size:42px;line-height:1.08}.brand-panel p{max-width:560px;color:var(--muted);margin:0;font-size:17px;line-height:1.65}.login-illustration{width:min(520px,100%);margin-top:4px}.login-illustration svg{width:100%;height:auto}.login-illustration rect,.login-illustration circle{fill:#fff;stroke:#bfd0ea;stroke-width:4px}.login-illustration path{fill:none;stroke:#334155;stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}.login-illustration path:nth-of-type(6),.login-illustration path:nth-of-type(7),.login-illustration path:nth-of-type(8){stroke:#16a34a}.login-trust-row{flex-wrap:wrap;gap:10px;display:flex}.login-trust-row span{border:1px solid var(--border);background:#fff;border-radius:999px;padding:8px 10px}.login-card h2{margin:0}.login-card{border-radius:12px;justify-self:start;gap:16px;width:100%;padding:24px;display:grid}.login-card-head{align-items:center;gap:12px;margin-bottom:2px;display:flex}.login-card-head p{margin:4px 0 0}.login-icon{width:42px;height:42px;color:var(--primary);background:#e8edf3;border-radius:10px;place-items:center;display:grid}.login-field{gap:7px;display:grid}.login-field span{color:var(--muted);font-size:12px;font-weight:800}.login-input-wrap{border:1px solid var(--border);background:#fff;border-radius:8px;align-items:center;gap:10px;padding:0 12px;display:flex}.login-input-wrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #3341551a}.login-input-wrap .icon{color:var(--muted);flex:none}.login-input-wrap input{background:0 0;border:none;border-radius:0;width:100%;padding:13px 0}.login-input-wrap input:focus{outline:none}.login-actions{gap:10px;margin-top:2px;display:grid}.login-actions button:first-child,.admin-link{justify-content:center}.login-help{color:var(--muted);text-align:center;margin:0;padding-top:2px;font-size:12px}.dashboard-card{justify-content:space-between;align-items:center;gap:12px;display:flex}.dashboard-card h2{margin:0 0 3px;font-size:18px}.dashboard-card p{margin:0}.student-shell{min-height:100vh;padding:18px}.student-page{max-width:1040px;margin:0 auto}.student-topbar{justify-content:space-between;align-items:center;gap:18px;margin-bottom:16px;display:flex}.student-topbar h1{letter-spacing:0;margin:0;font-size:24px}.student-topbar p{margin:4px 0 0}.student-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:14px;display:grid}.student-stat{border:1px solid var(--border);background:#fff;border-radius:8px;align-items:center;gap:12px;padding:14px;display:flex}.student-stat span{font-size:22px;font-weight:800;display:block}.student-stat p{margin:2px 0 0;font-size:13px}.student-panel,.student-practice-panel,.guide-summary,.guide-item{border:1px solid var(--border);background:#fff;border-radius:8px}.student-panel,.student-practice-panel{padding:16px}.student-practice-panel{background:#f3f5f7;border-color:#3341552e;justify-content:space-between;align-items:center;gap:18px;margin-bottom:14px;display:flex}.student-practice-panel h2{margin:8px 0 6px;font-size:20px}.student-practice-panel p{max-width:680px;margin:0}.practice-notes{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.practice-notes span{color:var(--muted);align-items:center;gap:7px;font-size:13px;font-weight:700;display:inline-flex}.student-section-head,.student-exam-row,.guide-summary{justify-content:space-between;align-items:center;gap:16px;display:flex}.student-section-head{margin-bottom:10px}.student-section-head h2{margin:0;font-size:18px}.student-exam-list{gap:10px;display:grid}.student-exam-row{border-top:1px solid var(--border);padding:12px 0 0}.student-exam-row:first-child{border-top:none}.student-exam-row h3{margin:0;font-size:16px}.student-exam-row p{margin:3px 0 0;font-size:13px}.exam-row-main,.exam-row-meta{align-items:center;gap:10px;display:flex}.exam-row-main{min-width:0}.exam-row-meta{color:var(--muted);font-size:13px}.exam-row-meta span{white-space:nowrap;align-items:center;gap:5px;display:inline-flex}.guide-summary{align-items:flex-start;margin-bottom:14px;padding:16px}.guide-summary h2{margin:10px 0 4px;font-size:20px}.guide-session{text-align:right;overflow-wrap:anywhere;max-width:360px}.guide-session span{margin-bottom:4px;font-size:12px;display:block}.guide-sections{color:var(--muted);margin:0;padding-left:18px;font-size:13px}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.guide-item{gap:12px;padding:14px;display:flex}.guide-icon{width:36px;height:36px;color:var(--primary);background:#e8edf3;border-radius:8px;flex:none;place-items:center;display:grid}.guide-item h3{margin:0;font-size:15px}.guide-item p{margin:4px 0 0;font-size:13px}.student-actions{gap:8px;margin-top:14px;display:flex}.layout{grid-template-columns:220px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--navy);color:#fff;padding:18px 14px}.sidebar-brand{color:#fff;margin-bottom:18px;font-size:20px;font-weight:800}.sidebar-item{color:#aeb8c6;cursor:pointer;border-radius:7px;align-items:center;gap:9px;margin-bottom:4px;padding:9px 10px;font-size:13px;font-weight:600;display:flex}.sidebar-item.active{color:#fff;background:#2d3745}.sidebar-item:hover{color:#fff;background:#ffffff14}.sidebar-item.active:hover{background:#2d3745}.sidebar-item.disabled{cursor:not-allowed;opacity:.65;pointer-events:none}.admin-main{padding:16px}.stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:12px;display:grid}.stat-card{border:1px solid var(--border);background:#fff;border-radius:8px;padding:12px}.stat-card h3{color:var(--text);margin:4px 0 0;font-size:22px}.stat-card span{color:var(--muted);margin-top:2px;font-size:12px;display:block}.exam-topbar{border-bottom:1px solid var(--border);background:#fff;justify-content:space-between;align-items:center;height:58px;padding:0 20px;display:flex}.exam-title-block{min-width:0}.exam-title-block h3{margin:0;font-size:16px}.exam-title-block p{text-overflow:ellipsis;white-space:nowrap;max-width:560px;margin:3px 0 0;font-size:12px;overflow:hidden}.exam-wrapper{grid-template-columns:minmax(0,1fr) 280px;min-height:calc(100vh - 58px);display:grid}.exam-question{padding:22px}.exam-card{border:1px solid var(--border);background:#fff;border-radius:8px;width:min(920px,100%);margin:0 auto;padding:22px}.question-meta{justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px;display:flex}.exam-card h2{letter-spacing:0;margin:0 0 18px;font-size:22px;line-height:1.35}.exam-note{background:#f3f5f7;border:1px solid #3341552e;border-radius:8px;gap:4px;margin:0 0 16px;padding:12px;display:grid}.exam-note strong{color:var(--primary);font-size:12px}.exam-note p{color:var(--muted);margin:0;font-size:13px;line-height:1.5}.exam-summary{border-left:1px solid var(--border);background:#fff;padding:18px}.exam-summary h3{margin:0 0 8px;font-size:16px}.exam-summary>.muted{margin:0 0 16px;font-size:13px}.exam-topbar button,.exam-actions button,.exam-summary button{border-radius:6px;padding:8px 12px;font-size:13px}.option{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;align-items:center;gap:10px;margin-bottom:8px;padding:11px 12px;font-size:14px;display:flex}.option:hover{border-color:var(--primary);background:#f8fbff}.option input{width:auto}.exam-actions{border-top:1px solid var(--border);justify-content:space-between;gap:10px;margin-top:20px;padding-top:16px;display:flex}.exam-actions button{min-width:120px}.question-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;display:grid}.question-grid button{min-height:34px;color:var(--text);background:#eef2f7;border-radius:6px;padding:0;font-size:13px}.question-grid button.current{outline:1px solid var(--primary);outline-offset:1px;background:#fff}.question-grid button.answered{color:#166534;background:#dcfce7}.question-grid button.flagged{color:#9a3412;background:#ffedd5}.exam-legend{border-top:1px solid var(--border);gap:8px;margin:18px 0;padding-top:14px;display:grid}.result-table{border-collapse:collapse;width:100%;margin-top:10px}.result-table-wrap{overflow-x:auto}.result-table th,.result-table td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px 9px;font-size:12px}.result-table th{color:var(--muted);background:var(--surface-soft);white-space:nowrap;font-weight:700}.result-table td p{margin:2px 0 0;font-size:11px}.result-table.compact{min-width:960px}.live-feed-table{min-width:880px}.live-progress{gap:5px;min-width:160px;display:grid}.live-progress span{color:var(--muted);font-size:11px}.live-progress div{background:#e8edf3;border-radius:999px;height:6px;overflow:hidden}.live-progress i{border-radius:inherit;background:var(--primary);height:100%;display:block}.result-session{overflow-wrap:anywhere;max-width:210px;color:var(--muted);font-size:11px}.result-percent{min-width:42px;color:var(--success);background:#e7f3eb;border-radius:999px;justify-content:center;padding:3px 7px;font-weight:800;display:inline-flex}.result-subject-list,.result-subject-card{gap:10px;display:grid}.result-assessment-list{border-top:1px solid var(--border);display:grid}.result-assessment-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:9px 0;display:flex}.result-assessment-row:last-child{border-bottom:none}.result-assessment-row strong{font-size:13px}.result-assessment-row p{margin:2px 0 0;font-size:12px}.result-assessment-row button,.compact-actions button{border-radius:6px;padding:6px 9px;font-size:12px}.transcript-controls{grid-template-columns:minmax(150px,.75fr) minmax(220px,1fr) auto auto;align-items:center;gap:8px;margin-top:10px;display:grid}.transcript-controls button{min-width:76px}.image-preview{border:1px solid var(--border);border-radius:12px;width:220px;margin:10px 0}.section-title{align-items:center;gap:8px;margin-top:0;display:flex}.actions{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.bank-list,.checkbox-grid{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.compact-bank-list{gap:6px;margin-top:8px}.bank-header{justify-content:space-between;align-items:center;gap:14px;display:flex}.bank-header h3{margin:0}.bank-header p{margin:4px 0 0}.question-metadata-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:14px;display:grid}.question-metadata-grid label{gap:6px;display:grid}.question-metadata-grid span{color:var(--muted);font-size:12px;font-weight:700}.question-analytics{border:1px solid var(--border);background:var(--surface-soft);border-radius:8px;gap:6px;margin:12px 0;padding:12px;display:grid}.question-analytics p{margin:0;font-size:13px}.question-table-wrap{overflow-x:auto}.question-table{border-collapse:collapse;width:100%;min-width:980px;margin-top:10px}.bank-table{border-collapse:collapse;width:100%;margin-top:12px}.bank-table th,.bank-table td,.question-table th,.question-table td{vertical-align:top;text-align:left;border-bottom:1px solid var(--border);padding:7px 8px;font-size:12px}.bank-table th,.question-table th{color:var(--muted);font-weight:700}.bank-table td{padding:11px 8px;font-size:13px}.question-table textarea{min-height:62px}.question-table input,.question-table select,.question-table textarea{border-radius:6px;padding:7px 8px;font-size:12px}.question-table button{border-radius:6px;padding:8px}.dense-field-grid{gap:7px;min-width:210px;display:grid}.question-cell{max-width:340px}.question-cell strong{-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.35;display:-webkit-box;overflow:hidden}.question-cell p{text-overflow:ellipsis;white-space:nowrap;margin:4px 0 0;overflow:hidden}.capitalize{text-transform:capitalize}.table-actions{white-space:nowrap;align-items:center;gap:8px;display:flex}.table-actions button,.question-edit-actions button{border-radius:6px;padding:7px 10px;font-size:12px}.question-edit-row td{background:var(--surface-soft)}.question-edit-panel{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:10px;display:grid}.question-edit-panel label{gap:5px;display:grid}.question-edit-panel span,.field-label{color:var(--muted);font-size:11px;font-weight:700}.question-edit-actions{align-items:end;gap:8px;display:flex}.question-preview{border:1px solid var(--border);background:#fff;border-radius:8px;padding:14px}.preview-overlay{z-index:50;background:#0a141294;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.preview-dialog{border:1px solid var(--border);background:var(--surface);border-radius:10px;width:min(680px,100%);max-height:calc(100vh - 48px);overflow:auto;box-shadow:0 24px 60px #0c121038}.preview-dialog-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:start;gap:16px;padding:14px 16px;display:flex}.preview-dialog-header h2{margin:6px 0 2px}.preview-dialog .question-preview{background:#fff;margin:16px}.icon-button{justify-content:center;width:34px;height:34px;padding:0}.question-preview h3{margin:10px 0 12px;font-size:16px;line-height:1.4}.question-preview .question-meta{margin-bottom:0}.question-preview .option{margin-bottom:7px;padding:9px 10px}.section-builder{gap:14px;margin:16px 0;display:grid}.section-row,.bank-section{border-top:1px solid var(--border);padding-top:16px}.assessment-list{gap:10px;display:grid}.assessment-card{border:1px solid var(--border);background:#fff;border-radius:10px;gap:14px;padding:14px;display:grid}.assessment-card.open{border-color:#33415547;box-shadow:0 12px 28px #0f172a0f}.assessment-card-head,.workflow-header,.assessment-section-header,.section-save-row{justify-content:space-between;align-items:center;gap:14px;display:flex}.assessment-card-head h3{margin-bottom:4px}.assessment-create-card{border-radius:12px}.workflow-header{align-items:flex-start;margin-bottom:14px}.workflow-header.compact{margin-bottom:10px}.workflow-header p{margin:4px 0 0}.workflow-steps{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.workflow-steps span{border:1px solid var(--border);color:var(--muted);background:#fff;border-radius:999px;padding:7px 9px;font-size:12px;font-weight:700}.workflow-panel{border:1px solid var(--border);background:var(--surface-soft);border-radius:8px;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:12px;display:grid}.workflow-phase{gap:10px;display:flex}.workflow-phase span{width:26px;height:26px;color:var(--primary);background:#fff;border-radius:999px;flex:0 0 26px;place-items:center;font-size:12px;font-weight:800;display:inline-grid}.workflow-phase p{margin:3px 0 0;font-size:12px}.workflow-actions{flex-wrap:wrap;align-items:center;gap:10px;padding-top:4px;display:flex}.workflow-actions p{flex-basis:100%;margin:0}.assessment-details-panel{border:1px solid var(--border);background:#fff;border-radius:8px;gap:12px;padding:14px;display:grid}.assessment-details-panel h4{margin-bottom:4px}.assessment-section-editor{gap:8px;display:grid}.section-edit-row{grid-template-columns:minmax(180px,1.4fr) 130px minmax(170px,1fr);align-items:center;gap:8px;display:grid}.assessment-summary-list{border-top:1px solid var(--border);border-bottom:1px solid var(--border);gap:6px;margin:0;padding:10px 0 10px 18px;display:grid}.assessment-section-list{gap:10px;padding-top:2px;display:grid}.assessment-section-list-head h4{margin-bottom:4px}.assessment-section-list-head p{margin:0}.assessment-section{border:1px solid var(--border);background:#fff;border-radius:8px;overflow:hidden}.assessment-section.open{border-color:#33415552;box-shadow:0 8px 22px #0f172a0d}.assessment-section-header{background:var(--surface-soft);padding:12px 14px}.assessment-section-header p{margin:4px 0 0}.assessment-section-body{border-top:1px solid var(--border);gap:12px;padding:14px;display:grid}.section-picker-table{min-width:760px;margin-top:0}.section-picker-table th:first-child,.section-picker-table td:first-child{text-align:center;width:64px}.section-picker-table input[type=checkbox]{width:16px;height:16px}.section-save-row{padding-top:2px}.assignment-window{background:#f3f5f7;border:1px solid #3341553d;border-radius:8px;gap:12px;padding:14px;display:grid}.assignment-window table input{width:auto}.section-result-list{gap:3px;min-width:220px;display:grid}.section-result-list span{border-bottom:1px solid #edf0f4;justify-content:space-between;gap:10px;padding:3px 0;font-size:11px;line-height:1.35;display:flex}.section-result-list span:last-child{border-bottom:none}.section-result-list strong{color:var(--text);font-weight:700}.option.compact{margin-bottom:0;padding:9px 11px}.summary-row{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:14px;padding:12px 0;display:flex}.summary-row:first-of-type{border-top:none}.summary-row p{margin:4px 0 0}@media (width<=900px){.login-page,.layout,.exam-wrapper,.grid-2,.grid-3,.stats,.form-grid,.question-metadata-grid,.question-edit-panel,.student-stats,.workflow-panel,.section-edit-row,.transcript-controls,.guide-grid{grid-template-columns:1fr}.sidebar{display:none}.exam-summary{border-left:none;border-top:1px solid var(--border)}.student-topbar,.student-exam-row,.student-practice-panel,.bank-header,.workflow-header,.assessment-card-head,.assessment-section-header,.section-save-row,.guide-summary{flex-direction:column;align-items:flex-start}.workflow-steps{justify-content:flex-start}.login-page{gap:24px;padding:24px}.brand-panel h1{font-size:30px}.login-illustration{max-width:420px}.guide-session{text-align:left;max-width:none}}