*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0a0a1a;--surface: #12122a;--surface2: #1a1a3a;--border: #2a2a4a;--text: #e0e0f0;--text2: #8888aa;--accent: #10b981;--accent2: #34d399;--danger: #ef4444;--radius: 10px}html,body{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}#topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--surface);border-bottom:1px solid var(--border)}#logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:#fff}#lang-select{background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 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var(--border);border-radius:6px;color:var(--text);font-size:.8rem;cursor:pointer;transition:all .2s}.btn-sm:hover{border-color:var(--accent);color:var(--accent)}.btn-action{width:100%;padding:14px;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;background:var(--accent);color:#fff}.btn-action:hover{background:var(--accent2)}.btn-outline{background:transparent;border:2px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}#actions{display:flex;flex-direction:column;gap:8px;margin-top:12px}#save-info{text-align:center;margin-top:12px;font-size:.75rem;color:var(--text2)}#save-status{display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:8px}#save-indicator{font-size:.85rem;color:var(--text2);transition:color .3s}#save-indicator.saved{color:#22c55e}#save-actions{display:flex;gap:8px;justify-content:center}.btn-small-action{padding:4px 12px;border-radius:6px;border:1px solid var(--border);background:var(--surface2);color:var(--text2);font-size:.75rem;cursor:pointer;transition:all .2s}.btn-small-action:hover{border-color:var(--accent);color:var(--text)}.btn-danger:hover{border-color:#ef4444;color:#ef4444}.hidden{display:none!important}#invoice-preview{background:#fff;border-radius:var(--radius);overflow:hidden;aspect-ratio:210 / 297;box-shadow:0 4px 24px #0000004d}#preview-content{width:100%;height:100%;padding:20px;color:#333;font-size:7px;overflow:hidden;transform-origin:top left}#preview-content .inv-header{display:flex;justify-content:space-between;margin-bottom:14px}#preview-content .inv-logo img{max-width:60px;max-height:30px}#preview-content .inv-title{font-size:16px;font-weight:800;color:#10b981;text-align:right}#preview-content .inv-meta{text-align:right;font-size:6.5px;color:#666;line-height:1.4}#preview-content 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.inv-notes{margin-top:12px;font-size:6px;color:#888;border-top:1px solid #eee;padding-top:6px}#toast{position:fixed;bottom:-60px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;padding:12px 28px;border-radius:30px;font-size:.9rem;font-weight:500;transition:bottom .3s ease;z-index:9999}#toast.show{bottom:30px}@media (max-width: 900px){#app{flex-direction:column}#preview-panel{width:100%;position:static}.two-col{grid-template-columns:1fr}.items-header,.item-row{grid-template-columns:1fr 60px 80px 80px 32px}}@media (max-width: 600px){#app{padding:12px}.items-header{display:none}.item-row{grid-template-columns:1fr;gap:4px}.item-row input{font-size:.9rem}#preview-panel{display:none}}#site-footer{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.06);margin-top:20px}.footer-tools{font-size:.7rem;color:#556;margin-bottom:8px;text-transform:uppercase;letter-spacing:1px}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:16px}.footer-links a{color:#778;text-decoration:none;font-size:.8rem;transition:color .2s}.footer-links a:hover{color:#aab}