:root {
  --corp-black: #0b0503;
  --corp-brown-deep: #120705;
  --corp-brown-mid: #1a0b07;
  --corp-brown-panel: #120805;
  --corp-text: #f2e9e4;
  --corp-muted: #d9c5b9;
  --corp-line: rgba(232, 203, 184, 0.22);
}

body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1500px 880px at 18% 40%, rgba(142, 49, 13, 0.12), rgba(142, 49, 13, 0.02) 54%, transparent 82%),
    radial-gradient(960px 620px at 64% 92%, rgba(95, 33, 11, 0.07), transparent 78%),
    radial-gradient(820px 520px at 84% 26%, rgba(97, 33, 11, 0.05), transparent 80%),
    radial-gradient(700px 420px at 32% 86%, rgba(111, 39, 13, 0.04), transparent 82%),
    linear-gradient(100deg, #1a0804 0%, #130603 30%, #0d0402 62%, #080302 100%);
  font-family: Arial, sans-serif;
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  border-radius: 14px;
  border: 1px solid var(--corp-line);
  color: var(--corp-text);
  background:
    radial-gradient(760px 320px at 18% 0%, rgba(255, 124, 45, 0.05), transparent 80%),
    radial-gradient(380px 200px at 85% 100%, rgba(168, 72, 31, 0.03), transparent 82%),
    linear-gradient(145deg, rgba(24, 10, 6, 0.93), rgba(13, 6, 4, 0.97)),
    var(--corp-brown-panel);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(2px);
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-form {
  display: flex;
  flex-direction: column;
}

.logo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
}

.auth-logo {
  width: min(240px, 78%);
  max-height: 92px;
  object-fit: contain;
}

.form-title {
  margin-bottom: 2rem;
  text-align: center;
  color: var(--corp-text);
  font-size: 1.8rem;
}

.input-group {
  position: relative;
  margin-bottom: 2rem;
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  border: 1px solid var(--corp-line);
  border-radius: 8px;
  outline: none;
  background: rgba(11, 5, 3, 0.52);
  color: var(--corp-text);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  box-sizing: border-box;
}

.input-group label {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  background: transparent;
  padding: 0 4px;
  font-size: 14px;
  color: var(--corp-muted);
  pointer-events: none;
  transition: all 0.25s ease;
}

.input-group input:focus,
.input-group input:not(:placeholder-shown) {
  border-color: rgba(230, 175, 143, 0.58);
  box-shadow: 0 0 0 3px rgba(166, 103, 69, 0.2);
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
  top: -10px;
  font-size: 12px;
  color: #f0d0bc;
}

.password-group .toggle-password {
  background: none;
  border: none;
  color: var(--corp-muted);
  font-size: 16px;
  cursor: pointer;
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  outline: none;
}

.login-btn {
  background: linear-gradient(135deg, #2a130b, #4a1f11);
  color: #fff;
  padding: 14px;
  border: 1px solid rgba(233, 194, 170, 0.28);
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.25s ease;
}

.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.35);
  background: linear-gradient(135deg, #3a1a0f, #5a2716);
}

.login-btn:focus {
  outline: 2px solid rgba(255, 214, 188, 0.5);
  outline-offset: 2px;
}

.error-message {
  color: #fff;
  background-color: #b63d2e;
  padding: 10px 20px;
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  z-index: 1000;
  font-family: inherit;
  font-size: 14px;
  text-align: center;
}