:root {
  --accent: #ef3124;
  --accent-dark: #c8281e;
  --surface: rgba(255, 255, 255, 0.96);
  --surface-soft: rgba(255, 255, 255, 0.78);
  --text: #171717;
  --muted: #666b76;
  --border: rgba(23, 23, 23, 0.1);
  --shadow: 0 24px 60px rgba(16, 24, 40, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --font: "Segoe UI Variable", "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(239, 49, 36, 0.16), transparent 32%),
    linear-gradient(180deg, #fcfcfd 0%, #eef1f5 100%);
}

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

.login-card {
  width: min(100%, 460px);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.login-hero {
  padding: 28px 28px 20px;
  background: linear-gradient(135deg, #1d1d1f 0%, #2f2f34 35%, var(--accent) 100%);
  color: white;
}

.login-hero h1,
.login-hero p {
  margin: 0;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.72;
  margin-bottom: 10px;
}

.login-form {
  display: grid;
  gap: 16px;
  padding: 26px 28px 28px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--muted);
  font-size: 14px;
}

.field input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font: inherit;
  background: var(--surface-soft);
}

.field input:focus {
  outline: 2px solid rgba(239, 49, 36, 0.16);
  border-color: rgba(239, 49, 36, 0.28);
}

.error-box {
  border-radius: var(--radius-md);
  padding: 12px 14px;
  background: rgba(239, 49, 36, 0.08);
  border: 1px solid rgba(239, 49, 36, 0.16);
  color: var(--accent-dark);
}

.primary-button,
.secondary-link {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  font: inherit;
  text-decoration: none;
  text-align: center;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  cursor: pointer;
}

.secondary-link {
  background: #f4f5f7;
  color: var(--text);
}