@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --ink: #f1f5f9;
  --muted: #8b9ab3;
  --line: rgba(255, 255, 255, 0.07);
  --bg: #0d1117;
  --panel: #161d2b;
  --panel-soft: #1a2436;
  --accent: #00bc8f;
  --accent-strong: #00a07a;
  --accent-soft: rgba(0, 188, 143, 0.13);
  --sidebar: #111827;
  --sidebar-muted: #64748b;
  --danger: #f43f5e;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 12%, rgba(0, 188, 143, 0.08), transparent 24rem),
    radial-gradient(circle at 18% 82%, rgba(14, 165, 233, 0.06), transparent 24rem),
    var(--bg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-shell {
  width: min(1120px, calc(100vw - 36px));
  min-height: 640px;
  display: grid;
  grid-template-columns: 1fr 430px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero {
  position: relative;
  padding: 52px;
  background:
    linear-gradient(150deg, rgba(0, 143, 112, 0.13), transparent 42%),
    var(--sidebar);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -18% 34%;
  height: 280px;
  border-radius: 999px;
  background: rgba(0, 143, 112, 0.16);
  filter: blur(8px);
}

.brand-line {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 13px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), #12b997);
  color: #ffffff;
  font-size: 31px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -3px;
  box-shadow: 0 14px 26px rgba(0, 143, 112, 0.28);
}

.brand-line strong {
  display: block;
  font-size: 15px;
}

.brand-line small {
  display: block;
  color: var(--sidebar-muted);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1.7px;
  text-transform: uppercase;
}

.eyebrow {
  position: relative;
  z-index: 1;
  color: #78dec9;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  font-weight: 900;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  position: relative;
  z-index: 1;
  max-width: 620px;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 0.98;
  letter-spacing: -3.5px;
}

.hero > p:not(.eyebrow) {
  position: relative;
  z-index: 1;
  max-width: 560px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.6;
}

.preview-card {
  position: relative;
  z-index: 1;
  width: min(360px, 100%);
  margin-top: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.06);
  padding: 20px;
  backdrop-filter: blur(12px);
}

.preview-card span,
.preview-card small {
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  font-weight: 800;
}

.preview-card strong {
  display: block;
  margin: 10px 0;
  font-size: 34px;
  letter-spacing: -1.3px;
}

.login-card {
  padding: 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--panel);
}

.login-badge {
  width: max-content;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 7px 12px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.login-card h2 {
  margin-top: 18px;
  font-size: 32px;
  letter-spacing: -1.3px;
}

.login-card > p {
  color: var(--muted);
  margin: 8px 0 28px;
}

form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
}

input {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 15px;
  color: var(--ink);
  font: inherit;
  background: var(--panel-soft);
  outline: none;
}

input:focus {
  border-color: rgba(0, 143, 112, 0.42);
  box-shadow: 0 0 0 4px rgba(0, 143, 112, 0.1);
}

button {
  margin-top: 8px;
  border: 0;
  border-radius: 14px;
  padding: 15px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(0, 143, 112, 0.22);
}

button:hover {
  background: var(--accent-strong);
}

.message {
  min-height: 22px;
  color: var(--danger);
  font-size: 13px;
  font-weight: 750;
}

@media (max-width: 880px) {
  body {
    place-items: stretch;
  }

  .login-shell {
    width: 100%;
    min-height: 100vh;
    grid-template-columns: 1fr;
    border: 0;
    border-radius: 0;
  }

  .hero,
  .login-card {
    padding: 32px;
  }
}