* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #e8ecff;
  background: radial-gradient(circle at 20% 20%, #18234f, #080b1a 45%, #04050e);
  min-height: 100vh;
}

a {
  color: #93d8ff;
  text-decoration: none;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.hero {
  padding: 80px 0;
  text-align: center;
}

.title {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  margin: 0;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-shadow: 0 0 28px rgba(126, 242, 255, 0.45);
}

.subtitle {
  margin-top: 16px;
  color: #b3c0ff;
  font-size: 1.05rem;
}

.glass {
  background: linear-gradient(145deg, rgba(146, 200, 255, 0.16), rgba(77, 120, 255, 0.08));
  border: 1px solid rgba(174, 224, 255, 0.25);
  backdrop-filter: blur(8px);
  border-radius: 18px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35), inset 0 0 24px rgba(125, 218, 255, 0.08);
}

.panel {
  padding: 26px;
  margin-top: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.menu a {
  margin-left: 14px;
  font-weight: 600;
}

form {
  display: grid;
  gap: 14px;
}

.inline-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  align-items: end;
}

label {
  font-size: 0.88rem;
  color: #aab7f3;
}

input,
textarea,
select {
  width: 100%;
  background: rgba(4, 10, 28, 0.75);
  border: 1px solid #355b9a;
  border-radius: 10px;
  padding: 12px 14px;
  color: #e8ecff;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

button,
.btn {
  display: inline-block;
  border: none;
  border-radius: 11px;
  padding: 11px 16px;
  color: #031024;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(90deg, #89f4ff, #8ab0ff);
}

.muted {
  color: #9ba8de;
  font-size: 0.9rem;
}

.status-ok {
  color: #8dffbd;
}

.status-error {
  color: #ff9b9b;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid rgba(167, 194, 255, 0.2);
  vertical-align: top;
}

.message-cell {
  display: inline-block;
  max-width: 320px;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 780px) {
  .topbar {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}