:root {
  --bg: #e5e5e5;
  --card: #f5f5f5;
  --black: #111;
  --yellow: #ffcc00;
  --text: #111;
  --muted: #555;
  --border: #ccc;
}

body {
  background: var(--bg);
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 30px auto;
  padding: 20px;
  background: var(--card);
  border-radius: 14px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  border-top: 8px solid var(--yellow);
}

.box {
  width: 380px;
  margin: 80px auto;
  background: var(--card);
  border-radius: 14px;
  padding: 30px 25px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  border-top: 8px solid var(--yellow);
}

h2 {
  text-align: center;
  margin: 10px 0 20px 0;
  color: var(--black);
  font-size: 20px;
  letter-spacing: 0.5px;
}

input, select {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 15px;
  outline: none;
}

input:focus, select:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px rgba(255, 204, 0, 0.3);
}

button {
  width: 100%;
  padding: 12px;
  background: var(--black);
  color: var(--yellow);
  border: none;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 12px;
  font-weight: bold;
}

button:hover {
  background: #000;
}

.btn-small {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--black);
  color: var(--yellow);
  text-decoration: none;
  font-size: 14px;
  font-weight: bold;
  margin-left: 6px;
}

.btn-small:hover {
  background: #000;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar span {
  color: var(--muted);
  font-size: 14px;
}

iframe {
  width: 100%;
  height: 550px;
  border: none;
  border-radius: 12px;
}

.error {
  margin-top: 14px;
  text-align: center;
  background: #ffe6e6;
  color: #b00000;
  padding: 10px;
  border-radius: 10px;
  font-size: 14px;
  border: 1px solid #ffb3b3;
}

.success {
  margin-top: 14px;
  text-align: center;
  background: #e6fff2;
  color: #007a3d;
  padding: 10px;
  border-radius: 10px;
  font-size: 14px;
  border: 1px solid #b3ffd9;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
  background: white;
  border-radius: 12px;
  overflow: hidden;
}

th {
  background: var(--black);
  color: var(--yellow);
  padding: 12px;
}

td {
  padding: 12px;
  border-bottom: 1px solid #ddd;
}

tr:hover td {
  background: #f0f0f0;
}

.logo {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
}

.logo img {
  width: 95px;
  height: auto;
}

.footer-credit {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  margin-top: 18px;
  font-size: 12px;
  color: #555;
  padding-top: 10px;
  border-top: 1px solid #ccc;
  width: 100%;
}

.footer {
  text-align: center;
  margin-top: 18px;
  font-size: 12px;
  color: var(--muted);
}

.footer b {
  color: var(--black);
}