:root{--bg-main: #0b0f19;--bg-card: rgba(20, 26, 45, .6);--bg-card-hover: rgba(28, 37, 64, .8);--border-color: rgba(255, 255, 255, .08);--border-glow: rgba(99, 102, 241, .15);--primary: #6366f1;--primary-hover: #4f46e5;--primary-glow: rgba(99, 102, 241, .3);--success: #10b981;--success-bg: rgba(16, 185, 129, .1);--success-border: rgba(16, 185, 129, .2);--error: #ef4444;--error-bg: rgba(239, 68, 68, .1);--error-border: rgba(239, 68, 68, .2);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .1);--warning-border: rgba(245, 158, 11, .2);--text-main: #f3f4f6;--text-muted: #9ca3af;--text-dark: #6b7280;--font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 30px rgba(0, 0, 0, .4);--shadow-glow: 0 0 20px rgba(99, 102, 241, .15)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-sans);min-height:100vh;overflow-x:hidden;background-image:radial-gradient(circle at 10% 20%,rgba(99,102,241,.08) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(16,185,129,.05) 0%,transparent 40%);background-attachment:fixed;line-height:1.5}.app-container{max-width:1400px;margin:0 auto;padding:2rem}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.logo-section h1{font-size:1.8rem;font-weight:700;background:linear-gradient(135deg,#a5b4fc,#6366f1,#4338ca);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:flex;align-items:center;gap:.75rem}.logo-section p{color:var(--text-muted);font-size:.9rem;margin-top:.25rem}.dashboard-grid{display:grid;grid-template-columns:350px 1fr;gap:2rem}@media (max-width: 1024px){.dashboard-grid{grid-template-columns:1fr}}.sidebar-panel{display:flex;flex-direction:column;gap:1.5rem}.card{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;box-shadow:var(--shadow-md);transition:all .3s cubic-bezier(.4,0,.2,1)}.card:hover{border-color:var(--border-glow);box-shadow:var(--shadow-md),var(--shadow-glow);background:var(--bg-card-hover)}.card-title{font-size:1.1rem;font-weight:600;margin-bottom:1.25rem;display:flex;align-items:center;gap:.5rem;color:#fff}.form-group{margin-bottom:1.25rem}.form-group:last-child{margin-bottom:0}.form-group label{display:block;font-size:.85rem;font-weight:500;color:var(--text-muted);margin-bottom:.5rem}.form-input{width:100%;background:#0a0e1acc;border:1px solid var(--border-color);border-radius:8px;padding:.75rem;color:#fff;font-family:var(--font-sans);font-size:.95rem;transition:all .2s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.calendar-days-preview{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:.75rem}.calendar-day-header{font-size:.7rem;text-align:center;color:var(--text-dark);font-weight:600}.calendar-day-box{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:500;border-radius:4px;cursor:pointer;-webkit-user-select:none;user-select:none;background:#ffffff08;border:1px solid transparent;transition:all .15s}.calendar-day-box.is-weekend{color:var(--text-dark);background:#ffffff03}.calendar-day-box.is-working{background:#6366f126;color:#a5b4fc;border-color:#6366f14d}.calendar-day-box.is-working:hover{background:#6366f14d}.calendar-day-box.is-weekend:hover{background:#ffffff14}.dropzone{border:2px dashed rgba(99,102,241,.3);border-radius:16px;padding:3rem 1.5rem;text-align:center;cursor:pointer;transition:all .3s;background:#6366f105;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.dropzone:hover{border-color:var(--primary);background:#6366f10d;transform:translateY(-2px)}.dropzone-icon{width:48px;height:48px;color:var(--primary)}.dropzone-text h3{font-size:1.1rem;font-weight:600;margin-bottom:.25rem}.dropzone-text p{color:var(--text-muted);font-size:.85rem}.file-info{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:#ffffff08;border:1px solid var(--border-color);border-radius:8px;margin-top:1rem}.file-info-details{display:flex;align-items:center;gap:.75rem;font-size:.9rem}.remove-file-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center}.remove-file-btn:hover{color:var(--error);background:#ef44441a}.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem}.kpi-card{padding:1.25rem}.kpi-header{display:flex;justify-content:space-between;align-items:center;color:var(--text-muted);font-size:.85rem;font-weight:500;margin-bottom:.75rem}.kpi-value{font-size:2rem;font-weight:700;color:#fff;font-family:var(--font-mono)}.kpi-subtext{font-size:.75rem;color:var(--text-dark);margin-top:.25rem}.main-content-section{display:flex;flex-direction:column;gap:1.5rem}.tabs-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.tabs{display:flex;background:#0a0e1a99;border:1px solid var(--border-color);padding:4px;border-radius:10px}.tab-btn{background:none;border:none;padding:.5rem 1.25rem;border-radius:8px;color:var(--text-muted);font-family:var(--font-sans);font-weight:500;font-size:.9rem;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:.5rem}.tab-btn:hover{color:#fff}.tab-btn.is-active{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.search-filter-box{display:flex;gap:1rem;flex-grow:1;max-width:500px}.search-input-wrapper{position:relative;flex-grow:1}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-dark);width:16px;height:16px}.search-input{width:100%;padding-left:36px}.error-list{display:flex;flex-direction:column;gap:1rem}.error-item{border-left:4px solid var(--error);background:#141a2d66;border-radius:12px;padding:1.25rem;display:flex;flex-direction:column;gap:.75rem;transition:all .2s}.error-item:hover{background:#1c254080;transform:translate(2px)}.error-item.warning{border-left-color:var(--warning)}.error-item-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:.75rem}.error-badge{padding:4px 10px;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:uppercase}.error-badge.critical{background:var(--error-bg);color:#f87171;border:1px solid var(--error-border)}.error-badge.warn{background:var(--warning-bg);color:#fbbf24;border:1px solid var(--warning-border)}.child-info-row{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.info-item{display:flex;flex-direction:column;gap:2px}.info-label{font-size:.75rem;color:var(--text-dark);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.info-value{font-size:.95rem;font-weight:600;color:#fff}.info-value.mono{font-family:var(--font-mono)}.error-desc{font-size:.95rem;color:#fff;background:#0003;padding:.75rem 1rem;border-radius:8px;border:1px solid rgba(255,255,255,.03)}.related-records-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;margin-top:.5rem}.related-record-card{background:#00000026;border:1px solid var(--border-color);border-radius:8px;padding:1rem;display:flex;flex-direction:column;gap:.5rem}.related-record-title{font-size:.85rem;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border-color);padding-bottom:.25rem}.marks-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;text-align:center;margin-top:.5rem}.mark-box{background:#ffffff08;border-radius:6px;padding:.4rem}.mark-num{font-size:1.1rem;font-weight:700;font-family:var(--font-mono)}.mark-name{font-size:.65rem;color:var(--text-dark);text-transform:uppercase}.success-state{text-align:center;padding:4rem 2rem;display:flex;flex-direction:column;align-items:center;gap:1.25rem}.success-state-icon{width:64px;height:64px;color:var(--success);background:var(--success-bg);padding:12px;border-radius:50%;border:1px solid var(--success-border)}.success-state h2{font-size:1.5rem;font-weight:700}.success-state p{color:var(--text-muted);max-width:500px}.empty-state{text-align:center;padding:6rem 2rem;color:var(--text-muted);border:2px dashed var(--border-color);border-radius:16px;background:#ffffff03;display:flex;flex-direction:column;align-items:center;gap:1rem}.empty-state-icon{width:48px;height:48px;color:var(--text-dark)}.btn{display:flex;align-items:center;gap:.5rem;padding:.6rem 1.25rem;border-radius:8px;font-weight:500;font-size:.9rem;cursor:pointer;transition:all .2s;border:none;font-family:var(--font-sans)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-glow)}.btn-secondary{background:#ffffff0d;color:var(--text-main);border:1px solid var(--border-color)}.btn-secondary:hover{background:#ffffff1a;border-color:var(--text-muted)}.action-row{display:flex;gap:1rem;justify-content:flex-end;margin-top:1rem}.report-footer{display:flex;justify-content:space-between;align-items:center;margin-top:1.5rem;color:var(--text-muted);font-size:.9rem}.pagination-controls{display:flex;gap:.5rem}.page-btn{background:#ffffff0a;border:1px solid var(--border-color);color:var(--text-main);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;cursor:pointer}.page-btn:hover:not(:disabled){background:#ffffff1a}.page-btn:disabled{opacity:.4;cursor:not-allowed}.spinner{border:3px solid rgba(255,255,255,.05);border-radius:50%;border-top:3px solid var(--primary);width:24px;height:24px;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}