* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Full-screen hero image */
.hero {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.15) 0%,
    rgba(0, 5, 20, 0.6) 100%
  );
}

/* Login panel */
.login-wrapper {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  padding: 48px 44px 44px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  text-align: center;
}

.site-title {
  color: #ffffff;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.title-bracket {
  color: #f300b4;
}

.site-subtitle {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 36px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  text-align: left;
}

.field label {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.field input {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #ffffff;
  font-size: 0.95rem;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.field input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.field input:focus {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
}

.login-btn {
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  color: #ffffff;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 13px;
  transition: background 0.2s, border-color 0.2s;
}

.login-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

.login-btn:active {
  background: rgba(255, 255, 255, 0.1);
}

.error-msg {
  color: rgba(255, 120, 120, 0.9);
  font-size: 0.8rem;
  min-height: 1.2em;
  opacity: 0;
  transition: opacity 0.3s;
}