*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--odf-dark: #1a1a1a;--odf-accent: #1a3a5c;--primary: #1a56db;--primary-hover: #1648c4;--danger: #c81e1e;--danger-bg: #fde8e8;--neutral-50: #f9fafb;--neutral-100: #f3f4f6;--neutral-200: #e5e7eb;--neutral-300: #d1d5db;--neutral-400: #9ca3af;--neutral-500: #6b7280;--neutral-600: #4b5563;--neutral-700: #374151;--neutral-800: #1f2937;--neutral-900: #111827;--radius: 8px;--radius-sm: 4px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow: 0 2px 12px rgba(0,0,0,.1)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;color:var(--neutral-800);background:var(--neutral-50);line-height:1.5;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--odf-dark);position:sticky;top:0;z-index:100}.header-inner{max-width:1200px;margin:0 auto;padding:0 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var(--neutral-200);border-radius:var(--radius);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow)}.login-brand{text-align:center;margin-bottom:32px}.login-brand .odf-logo-letters{font-size:48px;font-weight:900;color:var(--odf-dark);letter-spacing:4px;line-height:1}.login-brand .odf-logo-name{font-size:13px;font-weight:700;color:var(--odf-dark);letter-spacing:4px;border-top:2px solid var(--odf-dark);border-bottom:2px solid var(--odf-dark);padding:2px 0;margin:6px auto;display:inline-block}.login-tagline{font-size:13px;color:var(--neutral-500);margin-top:8px}.login-form{display:flex;flex-direction:column;gap:16px}.login-btn{width:100%;margin-top:4px;padding:10px;font-size:15px}.nav-logout{background:none;border:none;cursor:pointer;font-family:inherit;margin-left:8px;border-left:1px solid rgba(255,255,255,.15);padding-left:16px}@media print{.page-header,.header{display:none}.main{padding:0}.invoice-document{box-shadow:none;border:none;padding:20px;max-width:100%}}@media (max-width: 768px){.grid-2,.grid-3{grid-template-columns:1fr}.invoice-document{padding:20px 16px}.inv-header{flex-direction:column;gap:16px}.inv-meta{flex-direction:column;gap:12px}.inv-client{text-align:left}.items-head,.items-row{grid-template-columns:2fr 1fr 60px 90px 90px 36px}}