:root{--primary:#38bdf8;--primary-dark:#0284c7;--bg:#f5fbff;--text:#0f172a;--muted:#64748b;--card:#fff;--border:#dbeafe;--danger:#ef4444;--success:#16a34a;--warning:#f59e0b}*{box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%;touch-action:manipulation}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden}img{max-width:100%;display:block}button,input,select,textarea{font:inherit;font-size:16px}a{text-decoration:none;color:inherit}.layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:#0c4a6e;color:#fff;padding:20px;position:sticky;top:0;height:100vh;overflow:auto}.brand{font-size:22px;font-weight:800;margin-bottom:24px}.nav a{display:flex;gap:10px;align-items:center;padding:11px 12px;border-radius:12px;margin:4px 0;color:#e0f2fe}.nav a:hover,.nav a.active{background:#075985}.main{padding:22px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:0 8px 24px rgba(2,132,199,.06)}.stat .v{font-size:25px;font-weight:800;margin-top:6px}.muted{color:var(--muted)}.table-wrap{overflow:auto;border-radius:16px;border:1px solid var(--border);background:#fff}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:12px;border-bottom:1px solid #e2e8f0;text-align:left}th{background:#f0f9ff;font-size:13px}.btn{border:0;border-radius:10px;padding:9px 12px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn-primary{background:var(--primary-dark);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-light{background:#e0f2fe;color:#075985}.badge{padding:5px 9px;border-radius:999px;background:#e0f2fe;color:#075985;font-size:12px;font-weight:700}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:12px;background:#fff;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary)}.mobile-shell{max-width:520px;margin:0 auto;min-height:100vh;background:#f8fcff;padding-bottom:78px}.mobile-header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--border);padding:14px 16px;display:flex;justify-content:space-between;align-items:center}.mobile-content{padding:14px}.mobile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quick{min-height:94px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px}.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(520px,100%);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--border);z-index:20;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{padding:11px 4px;text-align:center;font-size:12px;color:#475569}.bottom-nav a.active{color:#0284c7;font-weight:800}.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#e0f2fe,#fff)}.login-card{width:min(420px,100%)}.alert{padding:12px;border-radius:12px;margin:10px 0;background:#ecfeff;border:1px solid #a5f3fc}.alert.err{background:#fef2f2;border-color:#fecaca}.icon{width:20px;height:20px;vertical-align:middle}.hero{padding:72px 20px;text-align:center;background:linear-gradient(135deg,#e0f2fe,#fff)}.hero h1{font-size:clamp(34px,7vw,64px);margin:0 0 14px}.section{max-width:1100px;margin:auto;padding:48px 20px}.products{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media(max-width:980px){.layout{grid-template-columns:1fr}.sidebar{display:none}.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.main{padding:14px}.grid,.form-grid,.products{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.card{border-radius:15px}.mobile-shell{width:100%;max-width:none}.mobile-content{padding:12px}.mobile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}table{min-width:650px}}@media(max-width:360px){.mobile-grid{grid-template-columns:1fr}.mobile-content{padding:10px}}