:root{--primary: #2563eb;--primary-hover: #1d4ed8;--bg-app: #f8fafc;--bg-card: #ffffff;--text-main: #0f172a;--text-muted: #475569;--border: #e2e8f0;--advance-line: #3b82f6;--deadline-line: #ef4444;--success: #10b981;--danger: #dc2626;--warning: #f59e0b;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--radius: 12px;--gantt-row-height: 56px;--gantt-header-height: 60px;--gantt-day-width: 20px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-app);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit;border:none;border-radius:8px;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}.app-container{display:flex;flex-direction:column;height:100vh;overflow:hidden}.top-bar{height:72px;background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 32px;z-index:100;box-shadow:var(--shadow-sm)}.logo{font-weight:800;font-size:1.5rem;color:var(--primary);display:flex;align-items:center;gap:12px}.summary-bar{display:flex;gap:48px;padding:24px 32px;background:var(--bg-card);border-bottom:1px solid var(--border)}.summary-item{display:flex;flex-direction:column}.summary-label{font-size:.8rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}.summary-value{font-size:1.75rem;font-weight:800}.summary-value.negative{color:var(--danger)}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.gantt-container{flex:1;overflow:auto;position:relative;background:#fff}.gantt-grid{position:relative;min-width:100%}.gantt-header{position:sticky;top:0;height:var(--gantt-header-height);background:var(--bg-card);border-bottom:2px solid var(--border);display:flex;z-index:20}.gantt-row{height:var(--gantt-row-height);border-bottom:1px solid var(--border);display:flex;align-items:center;position:relative}.cost-bar-container{position:absolute;height:40px;display:flex;border-radius:8px;overflow:hidden;box-shadow:var(--shadow-sm);cursor:grab;border:1px solid rgba(0,0,0,.1)}.faza-przetarg{background:#94a3b8}.faza-dostawa{background:#3b82f6}.faza-platnosc{background:#10b981}.cost-label{position:absolute;left:0;top:-22px;font-size:.85rem;font-weight:700;white-space:nowrap;color:var(--text-main)}.v-line{position:absolute;top:0;bottom:0;width:1px;pointer-events:none;z-index:10}.v-line.advance{background:var(--advance-line);width:2px}.v-line.deadline{border-left:2px dashed var(--deadline-line)}.line-label{position:absolute;top:4px;transform:translate(-50%);background:#fff;padding:4px 10px;border-radius:6px;font-size:.75rem;font-weight:800;box-shadow:var(--shadow-md);border:1px solid var(--border);white-space:nowrap}.charts-container{height:180px;background:var(--bg-card);border-top:1px solid var(--border);padding:16px 32px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172ab3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:#fff;padding:40px;border-radius:20px;box-shadow:var(--shadow-lg);max-height:95vh;overflow-y:auto}.form-grid{display:grid;gap:24px}.form-group{display:flex;flex-direction:column;gap:8px}input{height:52px;padding:12px 16px;border:2px solid var(--border);border-radius:12px;font-size:1.125rem;font-weight:600;color:var(--text-main);background:#fff}input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #2563eb1a}.btn-primary{background:var(--primary);color:#fff;padding:0 32px;height:52px;font-weight:700;font-size:1.1rem}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:#f1f5f9;border:2px solid var(--border);color:var(--text-main);height:52px;padding:0 24px;font-weight:600}.date-calc-label{display:block;font-size:.9rem;font-weight:800;color:var(--primary);margin:4px 0;text-align:center;background:#eff6ff;border-radius:6px;padding:4px 0}.summary-card{margin-top:32px;padding:32px;background:#f8fafc;border:2px solid var(--border);border-radius:16px}.summary-row{display:flex;justify-content:space-between;font-size:1.1rem;margin-bottom:12px}.summary-row.main{font-size:1.4rem;font-weight:800;border-bottom:2px solid var(--border);padding-bottom:12px;margin-bottom:16px}.btn-icon{width:44px;height:44px;background:#fee2e2;color:var(--danger);border-radius:10px}