:root{
  --bg:#f4f6f8;
  --card:#ffffff;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --green:#16a34a;
  --green-bg:#dcfce7;
  --yellow:#ca8a04;
  --yellow-bg:#fef9c3;
  --red:#dc2626;
  --red-bg:#fee2e2;
  --gray:#6b7280;
  --gray-bg:#f3f4f6;
  --sidebar-bg:#111827;
  --sidebar-text:#d1d5db;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
button{
  cursor:pointer;border:none;border-radius:7px;padding:9px 16px;
  font-size:13px;font-weight:600;transition:background .15s;
  font-family:inherit;
}
.btn-primary{background:var(--primary);color:white;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-secondary{background:var(--gray-bg);color:var(--text);}
.btn-secondary:hover{background:#e5e7eb;}
.btn-danger{background:var(--red-bg);color:var(--red);}
.btn-danger:hover{background:#fecaca;}
.btn-small{padding:5px 10px;font-size:12px;}
input,select,textarea{
  font-family:inherit;padding:9px 10px;border:1px solid var(--border);
  border-radius:7px;font-size:13px;color:var(--text);
}

/* ---------- LOGIN ---------- */
#loginScreen,#pendingScreen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1d4ed8,#2563eb);
  padding:24px 0;
}
.login-box{
  background:white;border-radius:14px;padding:36px 32px;width:340px;
  max-height:92vh;overflow-y:auto;
  box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.login-box h1{font-size:19px;margin:0 0 4px;}
.login-box p.sub{font-size:13px;color:var(--muted);margin:0 0 22px;}
.login-box label{display:block;font-size:12px;color:var(--muted);margin:14px 0 6px;}
.login-box input{width:100%;}
.login-box button{width:100%;margin-top:20px;padding:11px;font-size:14px;}
#loginError,#signupError{color:var(--red);font-size:12.5px;margin-top:12px;display:none;}
#signupSuccess{color:var(--green);font-size:12.5px;margin-top:12px;display:none;}
#loginHint,#signupHint{font-size:11.5px;color:var(--muted);margin-top:16px;text-align:center;}
#loginHint a,#signupHint a{color:var(--primary);font-weight:600;text-decoration:none;}
#loginHint a:hover,#signupHint a:hover{text-decoration:underline;}

/* ---------- APP SHELL ---------- */
#app{display:none;min-height:100vh;}
.layout{display:flex;min-height:100vh;}
.sidebar{
  width:230px;flex-shrink:0;background:var(--sidebar-bg);color:white;
  padding:24px 0;display:flex;flex-direction:column;
}
.sidebar .brand{padding:0 24px 20px;}
.sidebar .brand h2{margin:0;font-size:18px;}
.sidebar .brand p{margin:4px 0 0;font-size:12px;color:#94a3b8;}
.nav-item{
  padding:10px 24px;color:var(--sidebar-text);font-size:14px;cursor:pointer;
}
.nav-item.active{background:var(--primary);color:white;font-weight:600;}
.nav-item:hover:not(.active){color:white;}
.sidebar-footer{margin-top:auto;padding:16px 24px;border-top:1px solid #374151;}
.sidebar-footer .me{font-size:13px;font-weight:600;}
.sidebar-footer .role{font-size:11.5px;color:#94a3b8;text-transform:capitalize;}
.sidebar-footer button{width:100%;margin-top:10px;}
.sync-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#22c55e;margin-right:6px;}

.main{flex:1;padding:28px 32px;overflow-x:auto;}
.main h1.page-title{font-size:20px;margin:0 0 4px;}
.main p.page-sub{font-size:13px;color:var(--muted);margin:0 0 20px;}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px;}
.card{background:var(--card);border-radius:10px;padding:16px 18px;box-shadow:0 1px 3px rgba(0,0,0,.06);border:1px solid var(--border);}
.card .num{font-size:26px;font-weight:700;}
.card .label{font-size:12px;color:var(--muted);margin-top:2px;}
.card.valido .num{color:var(--green);}
.card.atencao .num{color:var(--yellow);}
.card.vencido .num{color:var(--red);}

.panel{background:var(--card);border-radius:10px;border:1px solid var(--border);box-shadow:0 1px 3px rgba(0,0,0,.06);margin-bottom:20px;overflow:hidden;}
.panel-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;}
.panel-header h2{margin:0;font-size:15px;}
.panel-body{padding:18px;}

.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px;}

table{width:100%;border-collapse:collapse;font-size:13px;}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap;}
th{color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.03em;cursor:pointer;user-select:none;}
tbody tr:hover{background:#fafbfc;}
td.obs{white-space:normal;max-width:220px;color:var(--muted);}
td.nome{font-weight:600;white-space:normal;max-width:220px;}
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:11.5px;font-weight:700;}
.badge.valido{background:var(--green-bg);color:var(--green);}
.badge.atencao{background:var(--yellow-bg);color:var(--yellow);}
.badge.vencido{background:var(--red-bg);color:var(--red);}
.badge.sem-data{background:var(--gray-bg);color:var(--gray);}
.row-actions{display:flex;gap:6px;}
.empty{text-align:center;color:var(--muted);padding:40px 0;font-size:13px;}
.table-wrap{overflow-x:auto;}
.legend{display:flex;gap:16px;font-size:12px;color:var(--muted);flex-wrap:wrap;margin-bottom:14px;}
.legend span{display:inline-flex;align-items:center;gap:5px;}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;}
.dot.green{background:var(--green);}
.dot.yellow{background:var(--yellow);}
.dot.red{background:var(--red);}

/* ---------- MODAL ---------- */
#modalOverlay{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;z-index:50;}
#modalOverlay.open{display:flex;}
#modalBox{background:var(--card);border-radius:12px;padding:22px;max-width:640px;width:92%;max-height:88vh;overflow-y:auto;box-shadow:0 10px 40px rgba(0,0,0,.2);}
#modalBox h2{margin:0 0 16px;font-size:16px;}
form#docForm{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;}
form#docForm label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:5px;}
form#docForm .full{grid-column:1 / -1;}
.form-actions{grid-column:1/-1;display:flex;gap:10px;justify-content:flex-end;margin-top:4px;}

/* ---------- USERS PANEL ---------- */
.users-table select{padding:6px 8px;font-size:12.5px;}

.toast{position:fixed;bottom:20px;right:20px;background:var(--text);color:white;padding:10px 18px;border-radius:8px;font-size:13px;opacity:0;transform:translateY(8px);transition:opacity .2s, transform .2s;z-index:60;}
.toast.show{opacity:1;transform:translateY(0);}

.hidden{display:none !important;}

@media (max-width:800px){
  .layout{flex-direction:column;}
  .sidebar{width:100%;flex-direction:row;flex-wrap:wrap;padding:14px;}
  .sidebar .brand{padding:0 10px 0 0;}
  .sidebar-footer{margin-top:0;border-top:none;padding:0 0 0 10px;}
  .main{padding:18px 14px;}
}