:root{--bg:#f5f7fb;--card:#fff;--text:#182230;--muted:#6b7280;--primary:#174ea6;--border:#e6eaf0}*{box-sizing:border-box}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.sidebar{position:fixed;inset:0 auto 0 0;width:230px;background:#0d1b2a;color:#fff;padding:24px 16px;direction:rtl}.brand{font-weight:800;font-size:20px;margin-bottom:30px}.sidebar nav{display:flex;flex-direction:column;gap:8px}.sidebar nav a{color:#dce6f3;padding:12px 14px;border-radius:10px}.sidebar nav a:hover{background:#173452}.main{margin-left:230px;min-height:100vh}.top{height:70px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.badge{background:#eef4ff;color:var(--primary);padding:8px 12px;border-radius:999px;font-size:12px}.container{max-width:1180px;margin:auto;padding:28px}.guest{min-height:100vh;display:flex;align-items:center;justify-content:center}.guest .container{width:100%}h1,h2,h3{margin-top:0}.pagehead,.invoice-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.card,.panel,.auth-card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 3px 14px rgba(10,30,60,.04)}.card{padding:20px}.card span{display:block;color:var(--muted);font-size:13px;margin-bottom:10px}.card b{font-size:26px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{padding:22px;margin-bottom:18px}.actions{display:flex;flex-wrap:wrap;gap:10px}.btn{display:inline-block;border:1px solid #d5dce6;background:#fff;padding:10px 15px;border-radius:10px;color:var(--text);cursor:pointer}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.full{width:100%;margin-top:14px}.muted{color:var(--muted)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700}.form-grid .wide{grid-column:1/-1}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #ccd4df;border-radius:10px;background:#fff;font:inherit}textarea{min-height:100px}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:680px}th,td{padding:12px 10px;border-bottom:1px solid var(--border);text-align:right}th{background:#fafbfd;font-size:13px}.listrow{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px}.alert.success{background:#ecfdf3;color:#067647}.alert.error{background:#fef3f2;color:#b42318}.alert.info{background:#eff8ff;color:#175cd3}.auth-card{max-width:520px;margin:auto;padding:30px}.status{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px;background:#eef2f7}.status.approved{background:#ecfdf3;color:#067647}.status.paid{background:#eff8ff;color:#175cd1}.invoice{background:#fff;border:1px solid var(--border);padding:34px;border-radius:10px}.invoice-grid{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--border);padding-bottom:20px;margin-bottom:20px}.invoice-status{text-align:left}.total td{font-weight:800;font-size:18px}.notes{margin-top:20px;padding-top:20px;border-top:1px dashed #ccc}@media(max-width:900px){.sidebar{position:static;width:auto}.main{margin-left:0}.cards{grid-template-columns:repeat(2,1fr)}.grid2,.form-grid{grid-template-columns:1fr}.container{padding:18px}.sidebar nav{flex-direction:row;overflow:auto}.sidebar nav a{white-space:nowrap}.top{padding:0 18px}}@media(max-width:560px){.cards{grid-template-columns:1fr}.invoice{padding:18px}}@media print{body{background:#fff}.sidebar,.top,.print-hide{display:none!important}.main{margin:0}.container{max-width:none;padding:0}.panel{box-shadow:none;border:none}.invoice{border:none;padding:0}}