:root{--bg:#f5f7fb;--card:#fff;--text:#1d2733;--muted:#657080;--primary:#2457d6;--primary2:#143b98;--border:#e3e7ef;--success:#138a4b;--danger:#c62828;--warn:#b56b00;--shadow:0 10px 28px rgba(29,39,51,.08)}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.container{max-width:1180px;margin:0 auto;padding:0 18px}.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.header-inner{height:66px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:25px;font-weight:800;color:var(--primary);text-decoration:none}.brand span{color:#111}.site-header nav a{margin-left:18px;text-decoration:none;color:#27364a;font-weight:600}.hero{padding:70px 0;background:linear-gradient(135deg,#eff4ff,#fff)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.hero h1{font-size:44px;line-height:1.1;margin:0 0 15px}.hero p{font-size:18px;color:var(--muted);margin-bottom:24px}.btn{display:inline-block;background:var(--primary);color:#fff;text-decoration:none;border:0;border-radius:10px;padding:11px 18px;font-weight:700;cursor:pointer}.btn:hover{background:var(--primary2)}.btn.secondary{background:#edf2ff;color:var(--primary)}.btn.danger{background:var(--danger)}.btn.small{padding:7px 10px;border-radius:7px;font-size:13px}.stat-card,.card{background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:22px}.stat-card .big{font-size:34px;font-weight:800;color:var(--primary)}.section{padding:38px 0}.section h2{font-size:30px;margin:0 0 18px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.plan-card h3{margin:0 0 10px}.badge{display:inline-block;background:#edf7f0;color:var(--success);padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700}.muted{color:var(--muted)}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--border);border-radius:14px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{background:#f0f4fb;color:#24324a;font-size:13px}tr:hover td{background:#fbfcff}.admin-layout{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 66px)}.sidebar{background:#121b2d;color:#fff;padding:22px}.sidebar h3{margin-top:0}.sidebar a{display:block;color:#dce6ff;text-decoration:none;padding:10px 12px;border-radius:9px;margin-bottom:4px}.sidebar a:hover,.sidebar a.active{background:#22365d}.main{padding:24px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form-grid.three{grid-template-columns:repeat(3,1fr)}label{font-weight:700;font-size:13px;color:#31415a}input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;background:#fff;margin-top:6px}textarea{min-height:90px}.alert{padding:12px 15px;border-radius:12px;margin-bottom:15px}.alert.success{background:#e8f7ef;color:#0f6d3c}.alert.error{background:#fff0f0;color:#a31616}.actions{display:flex;gap:8px;flex-wrap:wrap}.receipt{max-width:780px;margin:25px auto;background:#fff;border:1px solid #ccc;padding:30px}.receipt h1{text-align:center;margin:0 0 20px}.receipt-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px}.print-only{display:none}@media(max-width:850px){.hero-grid,.grid,.admin-layout,.form-grid,.form-grid.three{grid-template-columns:1fr}.sidebar{position:relative}.hero h1{font-size:34px}}@media print{.site-header,.sidebar,.topbar,.no-print,.footer{display:none!important}.admin-layout{display:block}.main{padding:0}.receipt{border:0;margin:0;max-width:none}.print-only{display:block}}