/* ===========================
   Builder Theme (Bluebrad)
   =========================== */

:root {
  --blue-dark: #224488;
  --blue: #3366cc;
  --blue-light: #dde6ff;
  --bg: #f4f4f9;
  --text: #333;
  --border: #ccc;
  --success-bg: #d8ffd8;
  --success-border: #a6e6a6;
  --success-text: #2a5c2a;
  --radius: 8px;
  --shadow: 0 0 10px rgba(0,0,0,0.1);
  --font: "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font);
  background: var(--bg);
  margin: 0;
  color: var(--text);
  line-height: 1.5;
}

/* HEADER */
header {
  background: var(--blue-dark);
  color: #fff;
  padding: 15px 20px;
  box-shadow: var(--shadow);
}
header h1 {
  margin: 0;
  font-size: 1.4rem;
}

/* LAYOUT */
main {
  max-width: 900px;
  margin: 2rem auto;
  background: #fff;
  padding: 20px 25px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* FORMS */
form {
  margin-bottom: 2rem;
}
label {
  font-weight: 600;
  display: block;
  margin-top: 10px;
}
input[type=text],
input[type=email],
input[type=number],
input[type=password],
textarea,
select {
  width: 100%;
  padding: 8px 10px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.95rem;
}
textarea { resize: vertical; }
input[type=checkbox],
input[type=radio] {
  margin-right: 5px;
}

button {
  background: var(--blue);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  margin-top: 15px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.2s ease;
}
button:hover {
  background: var(--blue-dark);
}

/* TABLES */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}
th, td {
  border-bottom: 1px solid #ddd;
  padding: 10px;
  text-align: left;
}
th {
  background: #f0f0f0;
  font-weight: 600;
}

/* LINKS */
a.action {
  color: var(--blue);
  text-decoration: none;
  margin-right: 10px;
}
a.action:hover {
  text-decoration: underline;
}

/* NOTICES */
.notice {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 20px;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  main {
    padding: 15px;
  }
  th, td {
    font-size: 0.9rem;
    padding: 8px;
  }
  button {
    width: 100%;
  }
}
.flex-container {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
#builder-panel {
  flex: 1 1 55%;
}
#preview-panel {
  flex: 1 1 45%;
  background: #f8f8f8;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
#preview-frame {
  width: 100%;
  height: 75vh;
  border: none;
}
.refresh-hint {
  font-size: 0.85rem;
  color: #666;
  text-align: center;
  padding: 5px 0;
}