:root {
  color-scheme: dark;
  --bg: #050507;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --accent: #fa2d48;
  --accent-soft: rgba(250, 45, 72, 0.16);
  --bad: #ff453a;
  --font: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font: 15px/1.45 var(--font);
  background:
    radial-gradient(circle at 15% -10%, rgba(250, 45, 72, 0.18), transparent 34rem),
    radial-gradient(circle at 85% 0%, rgba(94, 92, 230, 0.08), transparent 28rem),
    linear-gradient(180deg, #0b0b0f 0%, var(--bg) 40%);
  -webkit-font-smoothing: antialiased;
}

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

.login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(22, 22, 28, 0.88);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(24px);
}

.eyebrow {
  margin: 0;
  color: #ff7a8c;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.subtitle {
  margin: -4px 0 8px;
  color: var(--muted);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  background: rgba(0, 0, 0, 0.28);
  color: var(--text);
  padding: 12px 13px;
  font: inherit;
}

input:focus {
  border-color: rgba(250, 45, 72, 0.55);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

button {
  margin-top: 4px;
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.error {
  margin: 0;
  color: var(--bad);
  font-size: 13px;
  font-weight: 650;
}

.error[hidden] { display: none !important; }