:root{--color-bg: #f5f5f5;--color-surface: #ffffff;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-text: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--radius: 8px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;padding:2rem 1rem}#app{max-width:640px;margin:0 auto}h1{font-size:1.75rem;margin-bottom:.25rem}h2{font-size:1.25rem;margin-bottom:1rem}.subtitle{color:var(--color-text-muted);margin-bottom:2rem}.upload-section{display:flex;align-items:center;gap:1rem;margin-bottom:2rem}.file-label{display:inline-block;padding:.5rem 1.25rem;background:var(--color-primary);color:#fff;border-radius:var(--radius);cursor:pointer;font-weight:500;transition:background .15s}.file-label:hover{background:var(--color-primary-hover)}.file-label input[type=file]{display:none}.file-name{color:var(--color-text-muted);font-size:.9rem}.config-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;margin-bottom:2rem}fieldset{border:none;margin-bottom:1.5rem}fieldset:last-of-type{margin-bottom:1.5rem}legend{font-weight:600;font-size:1rem;margin-bottom:.75rem}.field-group{display:flex;gap:.75rem;margin-bottom:.75rem}.field-group .field{flex:1;margin-bottom:0}.field{margin-bottom:.75rem}.field label{display:block;font-size:.875rem;color:var(--color-text-muted);margin-bottom:.25rem}.field input[type=text],.field input[type=number],.field input[type=date]{width:100%;padding:.5rem .75rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.95rem;color:var(--color-text);background:var(--color-bg)}.field input:focus{outline:2px solid var(--color-primary);outline-offset:-1px}.checkbox-field{display:flex;align-items:center;gap:.5rem}.checkbox-field label{display:inline;margin-bottom:0}.checkbox-field input[type=checkbox]{width:1.1rem;height:1.1rem;accent-color:var(--color-primary)}.button-row{display:flex;gap:.75rem;margin-top:.5rem}.btn{flex:1;padding:.75rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-primary);border:2px solid var(--color-primary)}.btn-secondary:hover{background:#eff6ff}.stats-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;margin-bottom:2rem}.stats-table{width:100%;border-collapse:collapse;font-size:.9rem}.stats-table th,.stats-table td{padding:.4rem .75rem;text-align:left;border-bottom:1px solid var(--color-border)}.stats-table thead th{font-weight:600;color:var(--color-text-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}.stats-table tfoot td{border-bottom:none;border-top:2px solid var(--color-border)}.stat-count{text-align:right!important;font-variant-numeric:tabular-nums}.preview-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;margin-bottom:2rem}.preview-section h2{margin-bottom:1rem}.preview-block{margin-bottom:1.5rem}.preview-block h3{font-size:1rem;font-weight:600;margin-bottom:.75rem;color:var(--color-text)}.preview-section p{margin-bottom:.25rem;font-size:.95rem}.preview-section .stat{font-weight:600}.event-month-heading{font-size:.95rem;font-weight:600;margin-top:1rem;margin-bottom:.4rem;color:var(--color-text)}.event-month-heading:first-child{margin-top:0}.event-month-count{font-weight:400;color:var(--color-text-muted)}.event-list{list-style:none;padding:0;margin:0 0 .5rem}.event-item{display:flex;flex-wrap:wrap;gap:.25rem .75rem;padding:.5rem .75rem;border-left:3px solid var(--color-primary);margin-bottom:.4rem;background:var(--color-bg);border-radius:0 var(--radius) var(--radius) 0;font-size:.875rem;line-height:1.4}.event-time{font-weight:600;white-space:nowrap;color:var(--color-primary);min-width:120px}.event-summary{flex:1;min-width:150px}.event-location{width:100%;color:var(--color-text-muted);font-size:.8rem}.event-description{width:100%;color:var(--color-text-muted);font-size:.8rem;font-style:italic}