:root{--bg: #f4f5f7;--panel: #ffffff;--border: #e2e4e9;--text: #1c2430;--text-muted: #6b7280;--accent: #2563eb;--accent-soft: #eff4ff;--start: #16a34a;--start-hover: #15803d;--stop: #dc2626;--stop-hover: #b91c1c;--capex-bg: #ede9fe;--capex-fg: #6d28d9;--opex-bg: #d1fae5;--opex-fg: #047857;--warn-bg: #fef3c7;--warn-fg: #92400e;--radius: 10px;--shadow: 0 1px 3px rgba(16, 24, 40, .08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.45}.app{max-width:960px;margin:0 auto;padding:20px 16px 60px}.app-wide{max-width:1500px}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.app-header h1{font-size:20px;font-weight:700;margin:0;letter-spacing:-.01em}.header-right{display:flex;align-items:center;gap:10px}.tbtbd-badge{background:var(--warn-bg);color:var(--warn-fg);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600}.btn{font:inherit;border:1px solid transparent;border-radius:8px;padding:7px 14px;cursor:pointer;background:transparent;color:inherit;transition:background-color .12s ease,border-color .12s ease}.btn:disabled{opacity:.45;cursor:default}.btn-primary{background:var(--accent);color:#fff;font-weight:600}.btn-primary:not(:disabled):hover{background:#1d4ed8}.btn-secondary{background:var(--panel);border-color:var(--border);box-shadow:var(--shadow)}.btn-secondary:not(:disabled):hover{border-color:#c6cad2}.btn-ghost{color:var(--text-muted)}.btn-ghost:not(:disabled):hover{background:#0000000d;color:var(--text)}.btn-start{background:var(--start);color:#fff;font-size:20px;font-weight:700;padding:16px 42px;border-radius:14px;box-shadow:0 2px 8px #16a34a59}.btn-start:hover{background:var(--start-hover)}.btn-stop{background:var(--stop);color:#fff;font-size:16px;font-weight:700;padding:12px 28px}.btn-stop:hover{background:var(--stop-hover)}.btn-icon{padding:4px 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auto;gap:20px;align-items:center}.timer-readout{min-width:190px}.timer-elapsed{font-size:44px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1}.timer-range{color:var(--text-muted);margin-top:4px;white-space:nowrap}.timer-start-btn{font:inherit;border:none;background:transparent;color:inherit;cursor:pointer;padding:0 2px;border-radius:4px;border-bottom:1px dashed var(--text-muted)}.timer-start-btn:hover{color:var(--accent);border-bottom-color:var(--accent)}.timer-start-input{width:90px;padding:2px 6px;font-size:inherit}.timer-start-input.invalid{border-color:var(--stop);outline-color:var(--stop)}.timer-fields{display:flex;flex-wrap:wrap;align-items:center;gap:12px;min-width:0}.field-desc{flex:1 1 220px;min-width:180px}.capex-label{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;cursor:pointer}.timer-actions{display:flex;flex-direction:column;align-items:stretch;gap:8px}.btn-discard{font-size:13px}.timer-warning{grid-column:1 / -1;background:var(--warn-bg);color:var(--warn-fg);border-radius:8px;padding:10px 14px}@media (max-width: 720px){.timer-panel{grid-template-columns:1fr}}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}.toolbar-spacer{flex:1}.segmented{display:inline-flex;background:var(--panel);border:1px solid var(--border);border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}.segment{font:inherit;border:none;background:transparent;padding:7px 12px;cursor:pointer;color:var(--text-muted);border-right:1px solid var(--border)}.segment:last-child{border-right:none}.segment:hover{color:var(--text)}.segment.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.period-selector{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.custom-range{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted)}.period-summary{display:flex;flex-wrap:wrap;align-items:baseline;gap:16px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px 16px;margin-bottom:16px}.period-label{font-weight:600}.period-total strong{font-size:16px}.period-split{color:var(--text-muted)}.empty-state{text-align:center;color:var(--text-muted);padding:40px 0}.day-group{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden}.day-group.today{border-color:var(--accent)}.day-header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#fafbfc;border-bottom:1px solid var(--border);font-weight:600}.day-group.today .day-header{background:var(--accent-soft)}.today-chip{background:var(--accent);color:#fff;border-radius:999px;font-size:11px;font-weight:700;padding:2px 8px;margin-left:8px;vertical-align:1px}.day-subtotal{font-variant-numeric:tabular-nums;color:var(--text-muted)}.entries-table{width:100%;border-collapse:collapse}.entries-table td{padding:9px 12px;border-top:1px solid var(--border);vertical-align:top}.entries-table tr:first-child td{border-top:none}.col-time{white-space:nowrap;font-variant-numeric:tabular-nums;padding-left:16px}.col-duration{white-space:nowrap;font-weight:600;font-variant-numeric:tabular-nums}.col-category{white-space:nowrap}.col-desc{width:100%;overflow-wrap:anywhere}.col-actions{white-space:nowrap;padding-right:12px}.next-day-hint{color:var(--capex-fg);font-size:12px;font-weight:600}.badge{display:inline-block;border-radius:999px;font-size:11px;font-weight:700;padding:2px 8px;letter-spacing:.03em}.badge-capex{background:var(--capex-bg);color:var(--capex-fg)}.badge-opex{background:var(--opex-bg);color:var(--opex-fg)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:flex-start;justify-content:center;padding:60px 16px;z-index:50;overflow-y:auto}.modal{background:var(--panel);border-radius:14px;box-shadow:0 12px 40px 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