:root{
  --red: #e53935;
  --red-strong: #c62828;
  --bg-dark: #0f1113;
  --panel-dark: #141618;
  --text-dark: #e6e6e6;
  --muted-dark: #bdbdbd;

  --bg-light: #f6f7f8;
  --panel-light: #ffffff;
  --text-light: #111214;
  --muted-light: #555;

  --radius: 10px;
  --gap: 12px;
  --shadow: 0 6px 18px rgba(0,0,0,0.25);
  --glass: rgba(255,255,255,0.03);
  --glass-light: rgba(0,0,0,0.03);
}

/* Theme variables */
body[data-theme="dark"]{
  --bg: var(--bg-dark);
  --panel: var(--panel-dark);
  --text: var(--text-dark);
  --muted: var(--muted-dark);
  --glass-var: var(--glass);
  color-scheme: dark;
}

body[data-theme="light"]{
  --bg: var(--bg-light);
  --panel: var(--panel-light);
  --text: var(--text-light);
  --muted: var(--muted-light);
  --glass-var: var(--glass-light);
  color-scheme: light;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background:linear-gradient(180deg,var(--bg), #0b0b0b 100%);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background .25s ease, color .25s ease;
  padding-bottom:40px;
}

/* Topbar */
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 20px;
  gap:12px;
  background:var(--panel);
  box-shadow:var(--shadow);
  border-bottom:4px solid rgba(0,0,0,0.06);
}

.brand h1{margin:0;font-size:1.2rem}
.brand small{color:var(--muted);display:block}

/* Controls */
.controls{display:flex;align-items:center;gap:10px}
.icon-btn{
  background:transparent;border:1px solid rgba(255,255,255,0.04);
  padding:8px;border-radius:8px;color:var(--text);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.icon{width:20px;height:20px;display:block}
.icon-sun{display:none}

/* When light theme show sun */
body[data-theme="light"] .icon-sun{display:block}
body[data-theme="light"] .icon-moon{display:none}

/* Container */
.container{
  max-width:1100px;margin:22px auto;padding:0 18px;display:grid;
  grid-template-columns:1fr 420px;gap:18px;
}

/* Panels */
.panel{
  background:var(--panel);
  padding:16px;border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.panel-header{display:flex;align-items:center;justify-content:space-between}
.panel-actions{display:flex;gap:8px}

/* Accounts list */
.accounts-list{margin-top:12px;display:flex;flex-direction:column;gap:10px}
.account-card{
  display:flex;justify-content:space-between;align-items:center;padding:12px;border-radius:8px;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  border-left:4px solid var(--red);
}
.account-meta{display:flex;flex-direction:column}
.account-meta small{color:var(--muted)}

/* Forms */
.form{display:flex;flex-direction:column;gap:10px}
.form.hidden{display:none}
label{display:flex;flex-direction:column;font-size:0.9rem}
input,select{padding:8px;border-radius:8px;border:1px solid rgba(0,0,0,0.08);margin-top:6px}
input[type="number"]{max-width:220px}
.form-actions{display:flex;gap:8px;margin-top:6px}

/* Buttons */
.btn{padding:8px 12px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--text);cursor:pointer}
.btn.primary{background:linear-gradient(90deg,var(--red),var(--red-strong));color:#fff;border:none;box-shadow:0 6px 18px rgba(198,40,40,0.18)}
.btn:active{transform:translateY(1px)}

/* Footer */
.footer{max-width:1100px;margin:18px auto;color:var(--muted);padding:0 18px}

/* Responsive */
@media (max-width:980px){
  .container{grid-template-columns:1fr; padding:0 12px}
}

/* Utility */
.visually-hidden{position:absolute!important;height:1px;width:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}