@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--bg-primary:#0b0f19;--bg-secondary:#131c2e;--bg-glass:#131c2eb3;--bg-glass-hover:#1e293bcc;--border-glass:#ffffff14;--border-glass-focused:#3b82f666;--text-primary:#f3f4f6;--text-secondary:#9ca3af;--text-muted:#6b7280;--accent-primary:#3b82f6;--accent-primary-hover:#2563eb;--accent-success:#10b981;--accent-warning:#f59e0b;--accent-danger:#ef4444;--shadow-premium:0 10px 30px -10px #000000b3;--shadow-inset:inset 0 2px 4px 0 #ffffff0d;--font-family:"Outfit", "Inter", system-ui, -apple-system, sans-serif;--transition-smooth:all .2s cubic-bezier(.4, 0, .2, 1);--border-radius-lg:16px;--border-radius-md:10px;--border-radius-sm:6px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);line-height:1.5;overflow-x:hidden}.auth-loading{min-height:100vh;color:var(--text-secondary);place-items:center;display:grid}.login-page{background:radial-gradient(circle at top right, #3b82f629, transparent 42%), var(--bg-primary);place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{background:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--border-radius-lg);width:min(100%,420px);box-shadow:var(--shadow-premium);padding:36px}.login-brand{align-items:center;gap:12px;font-size:22px;font-weight:700;display:flex}.login-kicker{color:var(--accent-primary);text-transform:uppercase;letter-spacing:1.5px;margin-top:28px;font-size:12px}.login-card h1{margin-top:6px;font-size:30px}.login-help{color:var(--text-secondary);margin:6px 0 28px}.login-submit{width:100%;margin-top:8px}.login-error{color:#fecaca;border-radius:var(--border-radius-sm);background:#ef44441f;border:1px solid #ef444459;margin-bottom:18px;padding:10px 12px;font-size:14px}.app-container{grid-template-columns:260px 1fr;min-height:100vh;display:grid}.sidebar{background-color:var(--bg-secondary);border-right:1px solid var(--border-glass);flex-direction:column;height:100vh;padding:24px 16px;display:flex;position:sticky;top:0}.logo-container{align-items:center;gap:12px;margin-bottom:32px;padding-left:8px;display:flex}.logo-text{color:var(--text-primary);letter-spacing:.5px;font-size:20px;font-weight:700}.logo-dot{background-color:var(--accent-primary);width:10px;height:10px;box-shadow:0 0 12px var(--accent-primary);border-radius:50%}.nav-links{flex-direction:column;flex:1;gap:6px;list-style:none;display:flex;overflow-y:auto}.nav-item{border-radius:var(--border-radius-md);color:var(--text-secondary);cursor:pointer;transition:var(--transition-smooth);align-items:center;padding:12px 16px;font-size:14px;font-weight:500;text-decoration:none;display:flex}.nav-item:hover{color:var(--text-primary);background-color:var(--border-glass)}.nav-item.active{color:var(--text-primary);background-color:var(--accent-primary);box-shadow:0 4px 12px #3b82f64d}.main-content{flex-direction:column;height:100vh;padding:24px;display:flex;overflow-y:auto}.topbar{border-bottom:1px solid var(--border-glass);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;display:flex}.page-title{font-size:24px;font-weight:600}.topbar-actions{align-items:center;gap:12px;display:flex}.btn{border-radius:var(--border-radius-md);cursor:pointer;transition:var(--transition-smooth);font-size:14px;font-weight:500;font-family:var(--font-family);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 18px;display:inline-flex}.btn-primary{background-color:var(--accent-primary);color:var(--text-primary)}.btn-primary:hover{background-color:var(--accent-primary-hover);box-shadow:0 4px 14px #3b82f666}.btn-secondary{background-color:var(--border-glass);border-color:var(--border-glass);color:var(--text-primary)}.btn-secondary:hover{background-color:#ffffff26}.btn-danger{background-color:var(--accent-danger);color:var(--text-primary)}.btn-danger:hover{background-color:#dc2626}.card{background-color:var(--bg-glass);border:1px solid var(--border-glass);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-premium);-webkit-backdrop-filter:blur(16px);padding:20px}.dashboard-stats{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:24px;display:grid}.stat-card{flex-direction:column;gap:8px;display:flex}.stat-label{color:var(--text-secondary);font-size:14px}.stat-value{font-size:28px;font-weight:700}.timetable-grid-container{margin-top:12px;overflow-x:auto}.timetable-grid{border-collapse:collapse;table-layout:fixed;width:100%}.timetable-grid th,.timetable-grid td{border:1px solid var(--border-glass);text-align:center;vertical-align:middle;padding:10px}.timetable-grid th{background-color:var(--bg-secondary);color:var(--text-secondary);height:48px;font-size:13px;font-weight:600}.timetable-grid td{height:90px;transition:var(--transition-smooth);position:relative}.timetable-cell{border-radius:var(--border-radius-md);cursor:grab;-webkit-user-select:none;user-select:none;width:100%;height:100%;transition:var(--transition-smooth);border:1px solid #0000;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:6px;font-size:12px;display:flex}.timetable-cell:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.timetable-cell:active{cursor:grabbing}.cell-subject{font-size:14px;font-weight:700}.cell-details{color:#ffffffb3;font-size:11px}.cell-lock-icon{opacity:.6;font-size:10px;position:absolute;top:6px;right:6px}.cell-dragging{opacity:.4;transform:scale(.95)}.drop-target-hover{border:2px dashed var(--accent-primary)!important;background-color:#3b82f626!important}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#000000a6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--bg-secondary);border:1px solid var(--border-glass);border-radius:var(--border-radius-lg);width:100%;max-width:500px;box-shadow:var(--shadow-premium);padding:24px}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.form-group{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.form-label{color:var(--text-secondary);font-size:14px}.form-control{background-color:var(--bg-primary);border:1px solid var(--border-glass);border-radius:var(--border-radius-md);color:var(--text-primary);font-family:var(--font-family);transition:var(--transition-smooth);outline:none;padding:10px 14px;font-size:14px}.form-control:focus{border-color:var(--border-glass-focused);box-shadow:0 0 0 2px #3b82f633}.conflict-list{flex-direction:column;gap:12px;display:flex}.conflict-item{border-radius:var(--border-radius-lg);background-color:#ffffff05;border-left:4px solid #0000;align-items:flex-start;gap:16px;padding:16px;display:flex}.conflict-item.CRITICAL{border-left-color:var(--accent-danger);background-color:#ef44440d}.conflict-item.WARNING{border-left-color:var(--accent-warning);background-color:#f59e0b0d}.toast-container{z-index:1000;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background-color:var(--bg-secondary);border:1px solid var(--border-glass);border-radius:var(--border-radius-md);box-shadow:var(--shadow-premium);align-items:center;gap:10px;padding:12px 20px;font-size:14px;animation:.3s cubic-bezier(.4,0,.2,1) slideIn;display:flex}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}