:root {
  --bg-1: #050608;
  --bg-2: #0e1116;
  --card: rgba(15, 20, 28, 0.48);
  --card-border: rgba(255, 255, 255, 0.14);
  --text: #eef2f7;
  --muted: #a7b0bb;
  --accent: #e0c06a;
  --accent-2: #caa24b;
  --danger: #f87171;
  --shadow: 0 24px 50px rgba(0, 0, 0, 0.55);
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  min-height: 100%;
  background-color: #050608;
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(217, 184, 103, 0.08), transparent),
    radial-gradient(900px 600px at 110% 10%, rgba(0, 0, 0, 0.2), transparent),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 24px;
  overflow-x: hidden;
}

.login-shell {
  display: grid;
  justify-items: center;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.logo {
  width: clamp(140px, 40vw, 220px);
  height: auto;
  filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.45));
}

.login-card {
  width: min(90vw, 620px);
  max-width: 620px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 26px 26px 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.title {
  font-size: clamp(16px, 2.2vw, 18px);
  font-weight: 700;
  letter-spacing: 0.2px;
  margin: 0 0 6px;
}

.subtitle {
  margin: 0 0 18px;
  font-size: clamp(12px, 1.6vw, 13px);
  color: var(--muted);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
  text-align: left;
}

.label {
  font-size: clamp(11px, 1.4vw, 12px);
  letter-spacing: 0.25px;
  text-transform: uppercase;
  color: var(--muted);
}

.input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(8, 10, 14, 0.6);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: clamp(13px, 1.7vw, 14px);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input:focus {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.button {
  width: 100%;
  border: none;
  padding: 12px 16px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0f14;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  min-height: 44px;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(56, 189, 248, 0.25);
}

.result {
  margin-top: 12px;
  font-size: clamp(11px, 1.4vw, 12px);
  color: var(--muted);
  word-break: break-word;
}

.result.error {
  color: var(--danger);
}

@media (max-width: 768px) {
  body {
    padding: 18px;
  }

  body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
      radial-gradient(1200px 700px at 20% -10%, rgba(217, 184, 103, 0.08), transparent),
      radial-gradient(900px 600px at 110% 10%, rgba(0, 0, 0, 0.2), transparent),
      linear-gradient(135deg, var(--bg-1), var(--bg-2));
    z-index: -1;
  }

  .login-card {
    width: 100%;
    max-width: 100%;
    padding: 22px 18px 18px;
  }

  .field {
    margin-bottom: 16px;
  }
}

@media (min-width: 769px) {
  .input {
    padding: 6px 12px;
    height: 38px;
    line-height: 1.2;
  }

  .login-card {
    max-width: 480px;
  }
}