:root {
  --bg: #0b0e14;
  --card: #131823;
  --border: #232a38;
  --text: #e6e9ef;
  --muted: #8a93a6;
  --accent: #5b8cff;
  --accent-hover: #7aa2ff;
  --error: #ff6b6b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1a2233 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
}
.brand-mark { color: var(--accent); font-size: 18px; }
.brand-name { font-weight: 600; letter-spacing: 0.2px; }

h1 { margin: 0 0 4px; font-size: 22px; }
.sub { margin: 0 0 22px; color: var(--muted); font-size: 14px; }

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0e131d;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus { border-color: var(--accent); }

button {
  margin-top: 18px;
  width: 100%;
  padding: 12px 14px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
button:hover:not(:disabled) { background: var(--accent-hover); }
button:disabled { opacity: 0.6; cursor: default; }

.error {
  margin: 14px 0 0;
  color: var(--error);
  font-size: 13px;
}

.footnote {
  margin: 24px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}