:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --text: #172133;
  --muted: #5f6b82;
  --accent: #0f6ddb;
  --accent-hover: #0c58b3;
  --border: #d9e0ee;
  --danger: #b3261e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(145deg, #edf2fb, #f8f9ff);
  color: var(--text);
}

.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-card,
.panel {
  width: min(560px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 18px 45px rgba(23, 33, 51, 0.08);
}

h1,
h2 {
  margin-top: 0;
}

.subtle {
  color: var(--muted);
  margin-top: 0;
}

.status-info {
  color: var(--muted);
}

.status-success {
  color: #156f2c;
  font-weight: 600;
}

.status-error {
  color: var(--danger);
  font-weight: 600;
}

.form {
  display: grid;
  gap: 10px;
}

.form-row {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

input,
button {
  font: inherit;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

button {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  cursor: pointer;
}

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

button:disabled,
button:disabled:hover {
  background: #93a3bf;
  border-color: #93a3bf;
  color: #f5f8ff;
  cursor: not-allowed;
  opacity: 0.9;
  pointer-events: none;
}

button.secondary {
  background: #fff;
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.container {
  max-width: 1000px;
  margin: 24px auto;
  padding: 0 16px 24px;
}

.panel {
  width: 100%;
}

.error {
  color: var(--danger);
  font-weight: 600;
}

.table-wrap {
  overflow: auto;
}

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

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 10px;
  vertical-align: top;
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}