:root{--bg-primary: #0b0f19;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .75);--bg-card-hover: rgba(31, 41, 55, .85);--bg-glass: rgba(255, 255, 255, .04);--border-color: rgba(255, 255, 255, .08);--border-highlight: rgba(99, 102, 241, .3);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #4f46e5;--accent-hover: #4338ca;--accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);--accent-glow: rgba(79, 70, 229, .25);--status-pending: #f59e0b;--status-pending-bg: rgba(245, 158, 11, .12);--status-observed: #ef4444;--status-observed-bg: rgba(239, 68, 68, .12);--status-validated: #10b981;--status-validated-bg: rgba(16, 185, 129, .12);--status-billed: #3b82f6;--status-billed-bg: rgba(59, 130, 246, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .25);--shadow-md: 0 4px 12px -2px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, .5);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;overflow-x:hidden;background-image:radial-gradient(at 10% 20%,rgba(79,70,229,.08) 0px,transparent 50%),radial-gradient(at 90% 80%,rgba(124,58,237,.06) 0px,transparent 50%)}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4{font-weight:700;letter-spacing:-.025em;color:var(--text-primary)}.app-shell{display:flex;flex-direction:column;min-height:100vh;max-width:1280px;margin:0 auto;width:100%}.app-header{height:64px;padding:0 1.25rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color);background-color:#0b0f19d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:40}.brand-container{display:flex;align-items:center;gap:.75rem}.brand-logo{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;box-shadow:0 0 16px var(--accent-glow)}.brand-title{font-size:1.2rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#fff,#cbd5e1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.app-main{flex:1;padding:1.25rem 1.25rem 5rem;display:flex;flex-direction:column;gap:1.25rem}button,.btn{font-family:inherit;font-size:.925rem;font-weight:600;border:none;border-radius:var(--radius-md);padding:.65rem 1.25rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s cubic-bezier(.16,1,.3,1);min-height:44px}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 4px 14px var(--accent-glow)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #4f46e566}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:#ffffff14}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.25rem;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--shadow-sm);transition:border-color .2s}.card:hover{border-color:var(--border-highlight)}.badge{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .65rem;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-full)}.badge-pending{color:var(--status-pending);background:var(--status-pending-bg);border:1px solid rgba(245,158,11,.25)}.badge-validated{color:var(--status-validated);background:var(--status-validated-bg);border:1px solid rgba(16,185,129,.25)}.badge-observed{color:var(--status-observed);background:var(--status-observed-bg);border:1px solid rgba(239,68,68,.25)}.badge-billed{color:var(--status-billed);background:var(--status-billed-bg);border:1px solid rgba(59,130,246,.25)}.mobile-nav{position:fixed;bottom:0;left:0;right:0;height:64px;background:#0b0f19f2;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-around;z-index:50;padding-bottom:env(safe-area-inset-bottom)}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;color:var(--text-muted);text-decoration:none;font-size:.75rem;font-weight:600;cursor:pointer;background:none;border:none;padding:.5rem}.nav-item.active{color:#6366f1}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem}.kpi-card{background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.9rem;display:flex;flex-direction:column;gap:.25rem}.kpi-label{font-size:.75rem;color:var(--text-secondary);font-weight:500}.kpi-value{font-size:1.4rem;font-weight:800;letter-spacing:-.03em;font-family:var(--font-mono)}.input-group{display:flex;flex-direction:column;gap:.35rem}.input-label{font-size:.825rem;font-weight:600;color:var(--text-secondary)}.input-control{background:#111827cc;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.65rem .85rem;color:var(--text-primary);font-size:.95rem;font-family:inherit;min-height:44px;outline:none;transition:border-color .2s}.input-control:focus{border-color:#6366f1;box-shadow:0 0 0 2px #6366f133}