:root{--bg:#0d1117;--card:#161b22;--text:#e6edf3;--muted:#9da7b3;--line:#2d333b;--accent:#5aa9ff;--danger:#ff6b6b;--success:#1fb981}
*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{text-decoration:none} .wrap{width:min(1120px,92%);margin:auto}.narrow{width:min(760px,92%)}
.hero{padding:28px 0 60px;background:linear-gradient(180deg,#0d1117 0%,#111827 100%)}.nav{display:flex;justify-content:space-between;align-items:center;gap:16px}.logo{font-size:28px;font-weight:700}.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:24px;align-items:center;padding:60px 0}.hero h1{font-size:52px;line-height:1.05;margin:0 0 18px}.hero p{font-size:18px;color:var(--muted);max-width:720px}.hero-actions{display:flex;gap:12px;margin-top:24px}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 18px;border-radius:10px;border:0;cursor:pointer}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}.btn.full{display:block;text-align:center}.btn.small{padding:8px 12px;border-radius:8px;font-size:14px}
.section{padding:34px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards.four{grid-template-columns:repeat(4,1fr)}.card,.form-card,.cart-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 12px 36px rgba(0,0,0,.18)}
.form-section{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.grid-form{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-form label{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--muted)}input,select,textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:#0f141b;color:var(--text)}textarea{min-height:110px;resize:vertical}.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px}.alert.success{background:rgba(31,185,129,.12);border:1px solid rgba(31,185,129,.4)}.alert.error{background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.4)}
.cart-item{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.cart-total{padding-top:18px;font-size:18px}.order-form .full-span,.full-span{grid-column:1/-1}.total-box{padding:16px;border:1px solid var(--line);border-radius:12px;background:#0f141b}
.table-wrap{overflow:auto}.inline-form{display:flex;gap:8px;align-items:center}table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}th,td{padding:14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#10161e}.success-box{padding:60px 0}
@media (max-width:900px){.hero-grid,.form-section,.cards,.cards.four,.grid-form{grid-template-columns:1fr}.hero h1{font-size:38px}}