:root{
  --primary:#0d9488;       /* teal */
  --primary-dark:#0f766e;
  --accent:#06b6d4;        /* cyan, used in gradients */
  --success:#16a34a;
  --danger:#dc2626;
  --warning:#d97706;
  --bg:#f1f5f9;             /* slate-100 */
  --card:#ffffff;
  --text:#0f172a;           /* slate-900 */
  --muted:#64748b;          /* slate-500 */
  --border:#e2e8f0;         /* slate-200 */
  --navbar-bg:#0f172a;      /* slate-900 */
  --navbar-text:#e2e8f0;
  --radius:14px;
  --radius-sm:9px;
  --navbar-h:54px;
}
*{box-sizing:border-box;}
html{font-size:17px;}
body{
  margin:0;
  font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.6;
  padding-top:var(--navbar-h);
}
a{color:var(--primary);text-decoration:none;}
h1{font-size:25px;margin:0 0 8px;}
h2{font-size:19px;margin:0 0 8px;}
h3{font-size:17px;margin:0 0 6px;}
p{margin:0 0 10px;}
.container{max-width:1080px;margin:0 auto;padding:0 18px;}
.narrow{max-width:420px;margin:32px auto;padding:0 16px;}

/* ---------------- Navbar — fixed, minimal ---------------- */
.navbar{
  position:fixed;
  top:0; left:0; right:0;
  height:var(--navbar-h);
  display:flex;
  align-items:center;
  background:var(--navbar-bg);
  z-index:1000;
  box-shadow:0 1px 8px rgba(0,0,0,.15);
}
.navbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  width:100%;
}
.brand{font-weight:700;font-size:18px;color:#fff;white-space:nowrap;display:flex;align-items:center;gap:6px;}
.brand:hover{color:#fff;opacity:.9;}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  max-width:100%;
}
.nav-links::-webkit-scrollbar{display:none;}
.nav-links a{
  padding:8px 14px;
  border-radius:999px;
  font-weight:500;
  font-size:14.5px;
  color:var(--navbar-text);
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(255,255,255,.1);color:#fff;}
.nav-links a.btn-logout{background:var(--danger);color:#fff;font-weight:600;}
.nav-links a.btn-logout:hover{filter:brightness(1.1);}

.container{padding-top:0;}
body > .container{padding-top:20px;padding-bottom:44px;}

/* ---------------- Cards ---------------- */
.card{
  background:var(--card);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:0 2px 10px rgba(15,23,42,.06);
  margin-bottom:16px;
  border:1px solid var(--border);
}
.card h2, .card h1{margin-top:0;}

/* ---------------- Quick links (dashboard) ---------------- */
.quick-links{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(120px,1fr));
  gap:10px;
}
.quick-link{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:18px 8px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  color:var(--text);
  font-weight:600;
  font-size:14px;
  text-align:center;
  transition:all .15s ease;
}
.quick-link:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(15,23,42,.08);}
.quick-link .qicon{font-size:25px;line-height:1;}

/* ---------------- Buttons - rounded ---------------- */
.btn{
  display:inline-block;
  padding:9px 18px;
  border-radius:999px;
  border:none;
  font-weight:600;
  font-size:15.5px;
  cursor:pointer;
  transition:all .15s ease;
  text-align:center;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn-success{background:var(--success);color:#fff;}
.btn-success:hover{filter:brightness(1.08);}
.btn-danger{background:var(--danger);color:#fff;}
.btn-danger:hover{filter:brightness(1.08);}
.btn-warning{background:var(--warning);color:#fff;}
.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:7px 16px;font-size:13.5px;}
.btn-block{display:block;width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------------- Forms ---------------- */
label{display:block;margin:12px 0 6px;font-weight:600;font-size:14.5px;}
input[type=text],input[type=email],input[type=password],input[type=number],
input[type=date],input[type=file],
select,textarea{
  width:100%;
  padding:10px 12px;
  border-radius:var(--radius-sm);
  border:1.5px solid var(--border);
  font-size:16px;
  background:#f8fafc;
  font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);background:#fff;}
.help{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------------- Alerts ---------------- */
.alert{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:14px;font-size:15px;}
.alert-success{background:#dcfce7;color:#15803d;}
.alert-error{background:#fee2e2;color:#b91c1c;}
.alert-info{background:#cffafe;color:#0e7490;}
.alert-warning{background:#fef3c7;color:#92400e;}

/* ---------------- Badges ---------------- */
.badge{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.02em;}
.badge-pending{background:#fef3c7;color:#92400e;}
.badge-claimed{background:#cffafe;color:#0e7490;}
.badge-completed,.badge-paid{background:#dcfce7;color:#15803d;}
.badge-declined,.badge-disputed{background:#fee2e2;color:#b91c1c;}
.badge-active{background:#dcfce7;color:#15803d;}
.badge-suspended{background:#fee2e2;color:#b91c1c;}

/* ---------------- Balance hero ---------------- */
.balance-hero{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;border-radius:var(--radius);padding:22px 24px;
  margin-bottom:18px;
}
.balance-hero .amount{font-size:36px;font-weight:800;margin:4px 0 0;line-height:1.2;}
.balance-hero .label{opacity:.85;font-size:14px;}

/* ---------------- Tables ---------------- */
.card > table, .card table{display:block;overflow-x:auto;white-space:nowrap;}
table{width:100%;border-collapse:collapse;font-size:15px;}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--border);}
th{color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;}
tr:hover td{background:#f8fafc;}

/* ---------------- Dialog / Modal ---------------- */
dialog{
  border:none;border-radius:var(--radius);padding:0;width:min(460px,92vw);
  box-shadow:0 20px 60px rgba(0,0,0,.25);
  font-size:16px;
}
dialog::backdrop{background:rgba(15,23,42,.55);backdrop-filter:blur(2px);}
.dialog-inner{padding:20px;}
.dialog-inner h3{margin-top:0;}
.dialog-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px;}

/* ---------------- Grid helpers ---------------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:700px){.grid-2{grid-template-columns:1fr;}}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;}
.muted{color:var(--muted);}
.mt-0{margin-top:0;}
.text-center{text-align:center;}

/* ---------------- Chat (tickets) ---------------- */
.chat-box{max-height:380px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;background:#f8fafc;}
.msg{max-width:78%;padding:9px 13px;border-radius:13px;margin-bottom:8px;font-size:15px;}
.msg-user{background:var(--primary);color:#fff;margin-left:auto;border-bottom-right-radius:4px;}
.msg-admin{background:#e2e8f0;color:var(--text);margin-right:auto;border-bottom-left-radius:4px;}
.msg img{max-width:180px;border-radius:9px;display:block;margin-top:6px;}
.msg small{display:block;opacity:.7;margin-top:3px;font-size:11.5px;}

/* ---------------- Responsive tweaks ---------------- */
@media(max-width:700px){
  :root{--navbar-h:52px;}
  html{font-size:16px;}
  body{font-size:15px;}
  h1{font-size:21px;}
  h2{font-size:17px;}
  .brand{font-size:16px;}
  .container{padding:0 14px;}
  .card{padding:16px;border-radius:12px;}
  .balance-hero{padding:20px;}
  .balance-hero .amount{font-size:29px;}
  .nav-links a{padding:7px 11px;font-size:13.5px;}
  .grid-2{gap:12px;}
  .btn{padding:10px 18px;font-size:15px;}
  th,td{padding:9px;font-size:14px;}
  .quick-links{grid-template-columns:repeat(3,1fr);gap:8px;}
  .quick-link{padding:14px 6px;font-size:12.5px;}
  .quick-link .qicon{font-size:21px;}
}
@media(max-width:420px){
  .quick-links{grid-template-columns:repeat(2,1fr);}
}