:root {
  --bg: #0b1220;
  --card: #0f1b33;
  --accent: #4f9cff;
  --accent-2: #8a5cff;
  --text: #e6edf7;
  --muted: #9fb0c7;
  --border: #1f2b45;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, #1c2a4a 0%, var(--bg) 55%) fixed;
}

.container {
  max-width: 1200px;
  margin: 32px auto 60px;
  padding: 0 20px;
}

.header {
  background: linear-gradient(135deg, #001a4d 0%, #0b2f6f 100%);
  border: 1px solid #1b3b7a;
  border-radius: 16px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}

.header img {
  height: 64px;
}

.header h1 {
  margin: 0;
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="file"],
input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  background: #0b162e;
  color: var(--text);
  outline: none;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

.row {
  display: flex;
  gap: 12px;
}

.row > * {
  flex: 1;
}

.button {
  margin-top: 10px;
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(79, 156, 255, 0.35);
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.result {
  margin-top: 18px;
  text-align: center;
}

.result img {
  max-width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.alert {
  border: 1px solid #ff6b6b;
  color: #ffb3b3;
  background: rgba(255, 107, 107, 0.1);
  padding: 10px 12px;
  border-radius: 12px;
  margin-top: 12px;
}

.footer {
  text-align: center;
  color: var(--muted);
  margin-top: 20px;
  font-size: 12px;
}