:root{--bg:#0f172a;--panel:#111c31;--card:#1f2a44;--line:#334155;--text:#e5e7eb;--muted:#94a3b8;--accent:#d99a22;--green:#16a34a;--red:#ef4444}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:#f4f7fb;color:#111827}.login-body{min-height:100vh;background:radial-gradient(circle at top,#24334f,#08111f);display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:420px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(12px);border-radius:26px;padding:34px;color:white;box-shadow:0 20px 60px rgba(0,0,0,.35)}.brand-icon{width:68px;height:68px;border-radius:20px;background:linear-gradient(135deg,#f5bd47,#9b6a14);display:flex;align-items:center;justify-content:center;font-size:34px;margin-bottom:18px}.login-card h1{margin:0;font-size:29px}.login-card p{color:#cbd5e1}.input{width:100%;padding:14px 16px;border:1px solid #d1d5db;border-radius:14px;margin:8px 0 14px;background:white}.login-card .input{background:rgba(255,255,255,.94)}.btn{border:0;border-radius:14px;padding:12px 17px;background:var(--accent);color:white;font-weight:800;cursor:pointer;text-decoration:none;display:inline-block}.btn.green{background:var(--green)}.btn.red{background:var(--red)}.btn.dark{background:#111827}.err{background:#fee2e2;color:#991b1b;padding:10px;border-radius:12px}.layout{display:flex;min-height:100vh}.sidebar{width:275px;background:#101a2e;color:#dbe2ee;padding:24px 18px;position:fixed;top:0;bottom:0;overflow:auto}.logo{font-size:23px;font-weight:900;margin:12px 10px 26px}.nav a{display:flex;gap:14px;align-items:center;color:#dbe2ee;text-decoration:none;padding:17px 18px;border-radius:22px;margin:10px 0;font-size:18px}.nav a.active,.nav a:hover{background:#29354d;outline:1px solid #9b6a14}.main{margin-left:275px;width:calc(100% - 275px);padding:24px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.cards{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:16px}.card{background:white;border-radius:22px;padding:20px;box-shadow:0 8px 24px rgba(15,23,42,.08);border:1px solid #e5e7eb}.card h3{margin:0;color:#64748b;font-size:14px}.card b{font-size:26px;display:block;margin-top:8px}.grid{display:grid;grid-template-columns:2fr 1fr;gap:18px}.table{width:100%;border-collapse:collapse;background:white;border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.07)}.table th,.table td{padding:13px;border-bottom:1px solid #e5e7eb;text-align:left}.table th{background:#f8fafc;color:#475569}.form{background:white;border-radius:22px;padding:20px;box-shadow:0 8px 24px rgba(15,23,42,.07)}.pos{display:grid;grid-template-columns:1.5fr .9fr;gap:18px}.products{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.product{background:white;border-radius:18px;padding:14px;box-shadow:0 6px 18px rgba(15,23,42,.07);cursor:pointer}.product strong{display:block}.pill{background:#fef3c7;color:#92400e;border-radius:99px;padding:4px 9px;font-size:12px}.receipt{font-family:monospace;background:white;padding:15px;border:1px dashed #64748b}.mobile-menu{display:none}@media(max-width:900px){.sidebar{transform:translateX(-100%);z-index:10;transition:.2s}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%;padding:16px}.cards,.products,.grid,.pos{grid-template-columns:1fr}.mobile-menu{display:inline-block}.top{gap:10px}.card b{font-size:22px}}