:root{--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#687386;--line:#e5e7eb;--blue:#0866ff;--dark:#111827;--green:#14834a}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:12px 5%;display:flex;justify-content:space-between;align-items:center;gap:20px;position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:10px}.brand img{width:48px;height:48px;object-fit:contain;border-radius:8px}.brand strong{display:block;font-size:20px}.brand small{color:var(--muted);font-size:11px}.topbar nav,.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.topbar nav a{padding:9px 11px;border-radius:8px;font-size:13px}.container{max-width:1250px;margin:auto;padding:28px 5% 55px}.footer{background:#111827;color:#fff;padding:24px 5%;font-size:13px}
.hero,.card,.form-card,.invoice,.stat{background:#fff;border:1px solid var(--line);border-radius:14px}.hero{padding:35px;display:grid;grid-template-columns:1.4fr .8fr;gap:25px;align-items:center}.hero h1{font-size:42px;line-height:1.05}.hero img{width:100%;max-width:330px;margin:auto;display:block}.card,.form-card,.invoice{padding:20px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.btn{display:inline-block;border:0;border-radius:8px;background:var(--blue);color:#fff;padding:10px 14px;font-weight:700;cursor:pointer}.btn.dark{background:var(--dark)}.btn.light{background:#edf2f8;color:var(--text)}.title-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}.title-row h1,.title-row h2{margin:0}.muted{color:var(--muted)}.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.stat{padding:16px}.stat b{display:block;font-size:24px;margin-top:6px}.table-wrap{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:auto}.table{width:100%;border-collapse:collapse;min-width:780px}.table th,.table td{padding:11px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.table th{background:#f8fafc}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field{display:flex;flex-direction:column;gap:6px}.full{grid-column:1/-1}label{font-weight:700;font-size:13px}input,select,textarea{padding:10px;border:1px solid #d1d5db;border-radius:8px;font:inherit;width:100%}textarea{min-height:90px}.notice{padding:12px 14px;border-radius:8px;background:#edf6ff;border:1px solid #cfe3ff;margin:14px 0}.success{background:#eaf8ef;border-color:#bce7cb}.error{background:#fff0f0;border-color:#efc2c2}.badge{padding:5px 9px;border-radius:99px;background:#edf2f7;font-size:11px;font-weight:700}.invoice-head{display:flex;justify-content:space-between;border-bottom:2px solid #111827;padding-bottom:15px;margin-bottom:18px}.right{text-align:right}.amount{font-size:22px;font-weight:800}.login{max-width:430px;margin:35px auto}@media(max-width:850px){.hero,.grid,.grid-2,.form-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}.topbar{flex-direction:column;align-items:flex-start}}@media(max-width:480px){.stat-grid{grid-template-columns:1fr}}