:root{
  --bg:#f3f5f4;
  --surface:#ffffff;
  --surface-soft:#f8faf8;
  --ink:#20262d;
  --ink-2:#41474f;
  --muted:#717983;
  --line:#e1e6e2;
  --nav:#303436;
  --nav-2:#24282a;
  --accent:#8cc443;
  --accent-2:#6fa82e;
  --accent-soft:#eef7e4;
  --cyan:#2aa6a4;
  --danger:#ba2d24;
  --danger-soft:#fff0ee;
  --success:#207a4b;
  --success-soft:#e9f7ef;
  --warn:#a76107;
  --warn-soft:#fff4db;
  --info:#2563a6;
  --info-soft:#eaf3ff;
  --shadow:0 16px 40px rgba(30,39,34,.08);
  --shadow-soft:0 6px 20px rgba(30,39,34,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Open Sans",Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
h1,h2,h3,h4,h5,h6,.brand,.btn,.stat b{font-family:Montserrat,Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
a{color:var(--accent-2);text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:#4f8021;text-decoration:none}

/* Header: more architectural, less generic SaaS */
.topbar{height:72px;background:linear-gradient(90deg,var(--nav-2),var(--nav));display:flex;align-items:center;padding:0 30px;gap:30px;position:sticky;top:0;z-index:20;box-shadow:0 4px 20px rgba(0,0,0,.12)}
.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:#fff;letter-spacing:.1px}
.brand:before{content:"B";width:38px;height:38px;border-radius:12px 4px 12px 4px;display:grid;place-items:center;background:var(--accent);color:var(--nav-2);font-weight:900;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.brand:hover{color:#fff}
nav{display:flex;gap:6px;flex:1;height:100%;align-items:center}
nav a{color:#dfe4df;padding:10px 13px;border-radius:8px;font-weight:600;font-size:14px;position:relative}
nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
nav a:after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
nav a:hover:after{transform:scaleX(1)}
.user{display:flex;align-items:center;gap:12px;color:#eef1ef}
.user>span{font-size:14px;font-weight:600}
.link-btn,.link-danger{border:0;background:none;color:var(--accent);cursor:pointer;font:inherit;font-weight:650}
.link-danger{color:var(--danger);margin-top:18px}

.container{max-width:1280px;margin:34px auto;padding:0 22px}
.page-title{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin:0 0 24px;position:relative;padding:2px 0 2px 18px}
.page-title:before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:5px;border-radius:8px;background:linear-gradient(180deg,var(--accent),var(--cyan))}
.page-title h1{margin:0 0 5px;font-size:32px;letter-spacing:-.7px;color:var(--ink)}
.page-title p{margin:0;color:var(--muted)}

.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-soft);margin-bottom:22px;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),rgba(140,196,67,0) 58%)}
.card.narrow{max-width:700px}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:14px}
.card h2{margin-top:0;letter-spacing:-.25px}

.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cdd4cf;background:#fff;color:var(--ink);padding:10px 16px;border-radius:9px;font-weight:700;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 7px 18px rgba(32,38,45,.09);border-color:#b9c2bb}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#1f2918;box-shadow:0 5px 15px rgba(140,196,67,.25)}
.btn.primary:hover{background:#96ce50;border-color:#96ce50}
.wide{width:100%}
.stack{display:grid;gap:16px}
label{display:grid;gap:7px;font-weight:650;color:var(--ink-2)}
input,select,textarea{width:100%;border:1px solid #cfd7d1;border-radius:9px;padding:11px 12px;font:inherit;background:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(140,196,67,.13)}
textarea{min-height:100px}

/* Tables get motion without becoming noisy */
table{border-collapse:separate;border-spacing:0;width:100%}
th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 10px;vertical-align:top}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.45px;font-weight:800;background:#fafbfa}
tbody tr{transition:background .15s ease,transform .15s ease}
tbody tr:hover{background:#f7faf5}
tbody tr:last-child td{border-bottom:0}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 20px 18px;position:relative;overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .18s ease,box-shadow .18s ease}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat:after{content:"";position:absolute;width:92px;height:92px;border-radius:50%;right:-34px;top:-36px;background:rgba(140,196,67,.13)}
.stat b{display:block;font-size:32px;line-height:1;color:var(--ink);margin-bottom:8px}
.stat span{color:var(--muted);font-weight:650}
.stat.pending{border-top:4px solid #e5aa2f}.stat.in-progress{border-top:4px solid var(--info)}.stat.signed{border-top:4px solid var(--accent)}.stat.rejected{border-top:4px solid var(--danger)}

.badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;background:#eee;text-transform:none}
.badge:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.7}
.badge.pending{background:var(--warn-soft);color:#8b5908}.badge.in_progress{background:var(--info-soft);color:var(--info)}.badge.signed{background:var(--success-soft);color:var(--success)}.badge.rejected,.badge.revoked,.badge.error{background:var(--danger-soft);color:var(--danger)}.badge.large{font-size:13px;padding:8px 12px}
.grid2{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
.hash{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;word-break:break-all;font-size:12px;background:#f6f8f6;border-radius:8px;padding:8px 10px;border:1px dashed #cdd6cf}
.filters{display:grid;grid-template-columns:1fr 180px auto;gap:10px;margin-bottom:16px}
.alert{padding:13px 15px;border-radius:9px;margin-bottom:16px;border-left:4px solid transparent}.alert.error{background:var(--danger-soft);color:#90261f;border-left-color:var(--danger)}.alert.info{background:var(--info-soft);color:#194b7f;border-left-color:var(--info)}.alert.success{background:var(--success-soft);color:var(--success);border-left-color:var(--accent)}

/* Login / patient area: clean white, but with graphic depth */
.auth-bg,.patient-bg{min-height:100vh;background:#f5f7f5;display:flex;align-items:center;justify-content:center;padding:24px;position:relative;overflow-x:hidden}
.auth-bg:before,.patient-bg:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 12% 18%,rgba(140,196,67,.20),transparent 24%),radial-gradient(circle at 88% 82%,rgba(42,166,164,.12),transparent 28%),linear-gradient(135deg,rgba(48,52,54,.035) 25%,transparent 25%) 0 0/48px 48px;z-index:0}
.auth-bg:after,.patient-bg:after{content:"";position:fixed;width:420px;height:420px;border:70px solid rgba(140,196,67,.065);border-radius:50%;right:-170px;top:-180px;pointer-events:none;z-index:0}
.login-card,.patient-card{width:min(480px,100%);background:#fff;border-radius:20px;padding:36px;box-shadow:0 24px 70px rgba(28,37,32,.14);border:1px solid #e1e6e2;position:relative;z-index:1;overflow:hidden}
.login-card:before,.patient-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:5px;background:linear-gradient(90deg,var(--accent),var(--cyan))}
.login-card h1,.patient-card h1{font-size:30px;line-height:1.1;letter-spacing:-.6px;margin:22px 0 8px}
.login-card>p,.patient-card>p{color:var(--muted);margin-top:0}
.logo-mark{width:56px;height:56px;border-radius:16px 5px 16px 5px;background:var(--nav);color:#fff;display:grid;place-items:center;font-weight:900;letter-spacing:1px;box-shadow:inset 0 -5px 0 var(--accent)}
.otp-demo{font-size:21px;color:var(--info)}

.editor-layout{display:grid;grid-template-columns:250px 1fr;gap:18px}.variables{position:sticky;top:94px;height:max-content}.editor-card{min-width:0}.html-editor{min-height:720px;border:1px solid var(--line);padding:30px;background:white;outline:none;box-shadow:inset 0 0 0 1px #fff}.toolbar{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}.toolbar button{min-width:38px;border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px;cursor:pointer}.toolbar button:hover{background:var(--accent-soft);border-color:#bddc97}.publish-bar{display:flex;justify-content:flex-end;margin-bottom:30px}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.mt{margin-top:14px}.pdf-help{background:var(--accent-soft);padding:11px 13px;border-radius:9px;margin-bottom:12px;border-left:4px solid var(--accent)}.pdf-page{position:relative;margin:0 auto 20px;box-shadow:0 4px 16px rgba(0,0,0,.13);width:max-content}.pdf-page canvas{display:block;max-width:100%;height:auto}.pdf-field{position:absolute;background:#fff6bf;border:1px solid #d6a900;border-radius:4px;padding:3px 5px;font-size:11px;cursor:pointer;max-width:180px;overflow:hidden;white-space:nowrap}

.patient-document{width:min(1000px,100%);margin:28px auto;background:#fff;border-radius:20px;padding:28px;box-shadow:0 24px 70px rgba(28,37,32,.12);position:relative;z-index:1;border:1px solid var(--line)}
.patient-document:before{content:"";position:absolute;left:0;top:0;right:0;height:5px;border-radius:20px 20px 0 0;background:linear-gradient(90deg,var(--accent),var(--cyan))}
.patient-header{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:4px 0 16px;align-items:center}.patient-header div{display:grid}.patient-header strong{font-size:16px}.patient-header span{color:var(--muted)}.muted{color:var(--muted)}
.document-preview{background:#eef1ef;border-radius:14px;padding:18px;min-height:500px;border:1px solid #e3e7e4}.document-preview iframe{width:100%;height:720px;border:0;background:#fff}.paper{background:#fff;padding:38px;max-width:800px;margin:auto;box-shadow:0 4px 14px rgba(0,0,0,.08);border-top:4px solid var(--accent)}
.sign-box{margin-top:24px;border-top:1px solid var(--line);padding-top:24px}.sign-box h2{margin-top:0}.check{display:flex;grid-template-columns:22px 1fr;align-items:start;gap:10px;margin:13px 0;font-weight:550}.check input{width:auto;margin-top:4px;accent-color:var(--accent-2)}#signature{width:100%;height:auto;touch-action:none;border:2px dashed #aab5ad;border-radius:12px;background:linear-gradient(#fff,#fff) padding-box,repeating-linear-gradient(90deg,#eef3ee 0 10px,#f8faf8 10px 20px) border-box;margin-bottom:10px}.success-mark{width:64px;height:64px;border-radius:50%;background:var(--success-soft);color:var(--success);font-size:36px;display:grid;place-items:center;font-weight:800;border:1px solid #ccebd8}
dl{display:grid;grid-template-columns:130px 1fr;gap:9px 12px}dt{font-weight:800;color:var(--muted)}dd{margin:0}

/* Local hash verifier: file never leaves the browser */
.hash-verifier{margin-top:16px;padding:15px;border-radius:12px;background:#f8faf8;border:1px solid var(--line)}
.hash-verifier h3{margin:0 0 6px;font-size:16px}.hash-verifier p{margin:0 0 10px;color:var(--muted);font-size:13px}.hash-verifier input[type=file]{background:#fff}.verify-result{margin-top:10px;font-weight:750;font-size:13px}.verify-result.ok{color:var(--success)}.verify-result.bad{color:var(--danger)}.verify-result.busy{color:var(--info)}

@media(max-width:800px){.stats{grid-template-columns:1fr 1fr}.grid2,.editor-layout{grid-template-columns:1fr}.variables{position:static}.topbar{padding:0 16px;height:64px}.topbar nav{display:none}.brand:before{width:34px;height:34px}.user>span{display:none}.filters{grid-template-columns:1fr}.patient-document{margin:0;border-radius:0;padding:16px;border-left:0;border-right:0}.patient-document:before{border-radius:0}.document-preview{padding:7px}.document-preview iframe{height:620px}.paper{padding:20px}.page-title{flex-direction:column}.page-title h1{font-size:28px}.container{margin-top:22px;padding:0 15px}.login-card,.patient-card{padding:28px 22px}.stats{gap:10px}.stat{padding:16px}.stat b{font-size:28px}}
@media(max-width:480px){.stats{grid-template-columns:1fr}.auth-bg,.patient-bg{padding:12px}.login-card,.patient-card{border-radius:16px}.actions .btn{width:100%}}