:root{--primary: #6366f1;--primary-dark: #4f46e5;--secondary: #8b5cf6;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--bg: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text: #f1f5f9;--text-secondary: #cbd5e1;--border: #475569}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:20px}.nav{background:var(--bg-secondary);border-bottom:2px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:100}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.nav-brand{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-links{display:flex;gap:1rem;align-items:center}.nav-link{color:var(--text-secondary);text-decoration:none;padding:.5rem 1rem;border-radius:8px;transition:all .3s}.nav-link:hover{background:var(--bg-tertiary);color:var(--text)}.nav-link.active{background:var(--primary);color:#fff}.auth-container{max-width:450px;margin:4rem auto;padding:2.5rem;background:var(--bg-secondary);border-radius:16px;border:1px solid var(--border);box-shadow:0 20px 25px -5px #0000004d,0 10px 10px -5px #0003}.auth-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:.5rem;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.auth-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:2rem;font-size:.95rem}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.auth-footer{text-align:center;margin-top:1.5rem;color:var(--text-secondary);font-size:.9rem}.auth-footer a{color:var(--primary);font-weight:600;text-decoration:none;transition:color .2s}.auth-footer a:hover{color:var(--primary-dark);text-decoration:underline}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-label{font-weight:600;font-size:.9rem;color:var(--text);margin-bottom:.25rem}.form-control{width:100%;padding:.75rem 1rem;font-size:.95rem;color:var(--text);background-color:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;transition:all .2s}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a;background-color:var(--bg)}.form-control::placeholder{color:#64748b}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;border-radius:8px;border:none;cursor:pointer;transition:all .2s;text-decoration:none}.btn--primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 6px -1px #6366f133}.btn--primary:hover{transform:translateY(-1px);box-shadow:0 6px 12px -2px #6366f14d}.btn--primary:active{transform:translateY(0)}.btn--secondary{background:var(--bg-tertiary);color:var(--text);border:1px solid var(--border)}.btn--secondary:hover{background:var(--border)}.btn--full-width{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.error-message{padding:.75rem 1rem;background-color:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;color:#fca5a5;font-size:.9rem;text-align:center}.success-message{padding:.75rem 1rem;background-color:#10b9811a;border:1px solid rgba(16,185,129,.3);border-radius:8px;color:#6ee7b7;font-size:.9rem;text-align:center}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a;transition:all .3s}.card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px #0003;border-color:var(--primary)}.card-title{font-size:1.25rem;font-weight:600;margin-bottom:.75rem;color:var(--text)}.card-meta{font-size:.9rem;color:var(--text-secondary);line-height:1.6}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-top:1.5rem}.status-badge{display:inline-block;padding:.35rem .85rem;border-radius:20px;font-size:.8rem;font-weight:600;margin-top:.5rem;text-transform:uppercase;letter-spacing:.5px}.status-busy{background-color:#ef444426;color:#fca5a5;border:1px solid rgba(239,68,68,.3)}.status-swappable{background-color:#10b98126;color:#6ee7b7;border:1px solid rgba(16,185,129,.3)}.status-swappending{background-color:#f59e0b26;color:#fcd34d;border:1px solid rgba(245,158,11,.3)}.event-form{background:var(--bg-secondary);padding:1.5rem;border-radius:12px;border:1px solid var(--border);margin-bottom:2rem}.event-form h2{font-size:1.5rem;margin-bottom:1.5rem;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.modal-overlay{position:fixed;inset:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--bg-secondary);padding:2rem;border-radius:16px;max-width:600px;width:90%;max-height:80vh;overflow-y:auto;border:1px solid var(--border);box-shadow:0 25px 50px -12px #00000080}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-title{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.modal-close{background:none;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;padding:.25rem .5rem;border-radius:4px;transition:all .2s}.modal-close:hover{background:var(--bg-tertiary);color:var(--text)}.flex{display:flex}.flex-col{flex-direction:column}.gap-2{gap:.5rem}.mt-2{margin-top:.5rem}@media(max-width:768px){.auth-container{margin:2rem 1rem;padding:2rem}.grid{grid-template-columns:1fr}.nav-container{flex-direction:column;gap:1rem}.nav-links{flex-wrap:wrap;justify-content:center}}.dashboard-header{margin:2rem 0 1rem}.dashboard-header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.section-title{font-size:1.75rem;font-weight:600;margin:2.5rem 0 1rem;color:var(--text)}.event-form{background:linear-gradient(135deg,#6366f10d,#8b5cf60d);padding:2rem;border-radius:16px;border:1px solid var(--border);margin-bottom:2rem;box-shadow:0 4px 6px -1px #0000001a}.event-form h2{font-size:1.5rem;font-weight:600;margin-bottom:1.5rem;color:var(--text)}.event-form .form-group{margin-bottom:1.25rem}.event-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:1.5rem;transition:all .3s ease;position:relative;overflow:hidden}.event-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(135deg,var(--primary),var(--secondary))}.event-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px -6px #6366f133;border-color:var(--primary)}.event-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.75rem;color:var(--text)}.event-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin:.5rem 0}.event-card .event-time{display:flex;align-items:center;gap:.5rem;margin:.5rem 0}.event-card .btn{margin-top:1rem;width:100%}.date-display{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--text-secondary);margin:.25rem 0}.date-icon{color:var(--primary)}.empty-state{text-align:center;padding:3rem 2rem;background:var(--bg-secondary);border:2px dashed var(--border);border-radius:12px;margin:2rem 0}.empty-state h3{font-size:1.25rem;color:var(--text-secondary);margin-bottom:.5rem}.empty-state p{color:var(--text-secondary);opacity:.7}.loading-state{text-align:center;padding:2rem;color:var(--text-secondary)}.events-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;margin-top:1.5rem}.status-badge{display:inline-flex;align-items:center;gap:.25rem;padding:.4rem .9rem;border-radius:20px;font-size:.75rem;font-weight:700;margin-top:.75rem;text-transform:uppercase;letter-spacing:.5px}.status-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.form-control[type=datetime-local]{cursor:pointer}.form-control[type=datetime-local]::-webkit-calendar-picker-indicator{filter:invert(.7);cursor:pointer}input[type=datetime-local]{position:relative;padding:.85rem 1rem;font-size:.95rem;font-family:var(--primary),-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background-color:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;transition:all .2s;cursor:pointer;min-height:48px}input[type=datetime-local]:hover{border-color:var(--primary);background-color:var(--bg)}input[type=datetime-local]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a;background-color:var(--bg)}input[type=datetime-local]::-webkit-calendar-picker-indicator{background:transparent;color:transparent;cursor:pointer;height:auto;inset:0;position:absolute;width:auto;padding:0}input[type=datetime-local]:before{content:"📅";position:absolute;right:12px;top:50%;transform:translateY(-50%);pointer-events:none;font-size:1.2rem}input[type=datetime-local]::-webkit-datetime-edit-text,input[type=datetime-local]::-webkit-datetime-edit-month-field,input[type=datetime-local]::-webkit-datetime-edit-day-field,input[type=datetime-local]::-webkit-datetime-edit-year-field,input[type=datetime-local]::-webkit-datetime-edit-hour-field,input[type=datetime-local]::-webkit-datetime-edit-minute-field,input[type=datetime-local]::-webkit-datetime-edit-ampm-field{color:var(--text);padding:0 2px}input[type=datetime-local]::-webkit-datetime-edit-text{color:var(--text-secondary)}input[type=datetime-local]::-moz-calendar-picker-indicator{filter:invert(.7);cursor:pointer}.btn-success{background:linear-gradient(135deg,var(--success),#059669);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #10b98133}.btn-success:hover{transform:translateY(-2px);box-shadow:0 4px 8px #10b9814d}.btn-danger{background:linear-gradient(135deg,var(--danger),#dc2626);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 2px 4px #ef444433}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 4px 8px #ef44444d}.button-row{display:flex;gap:.75rem;margin-top:1rem}.button-row .btn{flex:1}