:root{
  --bg: #0f1720;
  --card: #0b1220;
  --muted: #9aa4b2;
  --text: #e6eef6;
  --accent: #6ee7b7;
  --accent-2: #7dd3fc;
  --surface: #0b1220;
  --glass: rgba(255,255,255,0.03);
  --radius: 12px;
  --shadow: 0 10px 30px rgba(2,6,23,0.6);
  --max-width: 1200px;
  --gap: 16px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  font-family: var(--font-sans);
  color-scheme: dark light;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

html[data-theme="light"], body.theme-light {
  --bg: #f6f8fa;
  --card: #ffffff;
  --muted: #5b6b78;
  --text: #071026;
  --accent: #0b84ff;
  --accent-2: #6ee7b7;
  --surface: #ffffff;
  --glass: rgba(2,6,23,0.03);
  --shadow: 0 10px 34px rgba(12,18,26,0.06);
}

*{box-sizing:border-box}
html,body,#app{height:100%}
body{
  margin:0;
  background:
    radial-gradient(800px 400px at 10% 10%, rgba(110,231,183,0.03), transparent 8%),
    radial-gradient(700px 350px at 95% 90%, rgba(125,211,252,0.02), transparent 8%),
    linear-gradient(180deg, rgba(255,255,255,0.02), transparent),
    var(--bg);
  color:var(--text);
}

:focus { outline: none; }
button, input, textarea, select { font: inherit; color: inherit; }

.app-root{display:flex;height:100vh;gap:0;align-items:stretch}
.main-area{flex:1;display:flex;flex-direction:column;min-width:0}
.view-root{flex:1;overflow:auto;padding:24px;max-width:100%;}

/* cards */
.card{
  background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--card);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,0.03);
}

/* basic utilities */
.hidden{display:none !important}
.row{display:flex;align-items:center;gap:12px}
.col{display:flex;flex-direction:column;gap:12px}
.small{font-size:13px;color:var(--muted)}
.button {background:transparent;border:0;color:var(--text);padding:8px 12px;border-radius:10px;cursor:pointer}
.button.primary {background:linear-gradient(90deg,var(--accent), var(--accent-2));color:var(--card);font-weight:700}
a { color: inherit; text-decoration: none; }

/* forms */
input, textarea, select, button {
  transition: box-shadow .14s ease, transform .08s ease, border-color .12s ease;
}
input[type="text"], input[type="email"], input[type="password"], textarea {
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.04);
  padding:10px 12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), transparent);
}

input::placeholder{color: rgba(255,255,255,0.25)}
input:focus{box-shadow:0 8px 26px rgba(11,132,255,0.06); border-color: rgba(11,132,255,0.12);}

/* responsive helpers */
@media (max-width: 520px){
  .view-root { padding: 16px; }
}