:root {
  --accent: #ec4338;
  --accent-soft: rgba(236, 67, 56, 0.14);
  --ink: #0f1724;
  --ink-soft: #22324a;
  --muted: #637086;
  --panel: rgba(255, 255, 255, 0.9);
  --border: rgba(104, 123, 150, 0.18);
  --white: #ffffff;
  --shadow: 0 28px 80px rgba(17, 24, 39, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(140deg, rgba(236, 67, 56, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(52, 104, 186, 0.08), transparent 24%),
    linear-gradient(rgba(15, 23, 36, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 36, 0.02) 1px, transparent 1px),
    linear-gradient(135deg, #f4f6fa 0%, #ffffff 48%, #f7f3ef 100%);
  background-size: auto, auto, 28px 28px, 28px 28px, auto;
}

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

.login-card {
  width: min(460px, 100%);
  padding: 38px;
  border-radius: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.brand-lockup {
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 12px;
  line-height: 0.95;
}

.brand-title-main {
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-title-year {
  color: var(--accent);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.intro {
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 28ch;
}

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

.login-form label {
  display: grid;
  gap: 7px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.login-form input {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.88);
  font: inherit;
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.login-form input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.login-form button {
  margin-top: 6px;
  padding: 14px 16px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--ink) 0%, #1b2b41 100%);
  color: var(--white);
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 16px 24px rgba(15, 23, 36, 0.16);
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}

.login-form button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 18px 28px rgba(15, 23, 36, 0.18);
}

.login-form button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.status {
  min-height: 22px;
  margin: 16px 0 0;
  color: #215b39;
  font-size: 0.92rem;
}

.status-error {
  color: #a22323;
}

.help {
  margin-top: 22px;
  color: var(--muted);
  border-top: 1px solid rgba(104, 123, 150, 0.14);
  padding-top: 18px;
}

.help summary {
  cursor: pointer;
  font-weight: 600;
}

.help p {
  line-height: 1.6;
}

@media (max-width: 560px) {
  .login-card {
    padding: 28px 24px;
    border-radius: 22px;
  }

  .brand-title {
    gap: 10px;
    flex-wrap: wrap;
  }
}