/* =========================================================
   CM2 Design Form
   Namespace: .cm2-design-form
   ========================================================= */

.cm2-design-form {
  --cm2-primary: #0b74ff;
  --cm2-primary-dark: #094ec1;
  --cm2-bg: #ffffff;
  --cm2-border: #e5e7eb;
  --cm2-text: #111827;
  --cm2-muted: #6b7280;

  max-width: 480px;
  margin: 40px auto;
  background: var(--cm2-bg);
  padding: 28px 32px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  font-family: 'Inter', sans-serif;
  color: var(--cm2-text);
}

.cm2-design-form h3 {
  margin-bottom: 24px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cm2-primary);
}

/* ========== Form Groups ========== */
.cm2-design-form .form-group {
  margin-bottom: 18px;
}

.cm2-design-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--cm2-text);
}

/* ========== Inputs & Selects ========== */
.cm2-design-form input,
.cm2-design-form select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--cm2-border);
  border-radius: 8px;
  font-size: 15px;
  color: var(--cm2-text);
  background: #fff;
  box-sizing: border-box;
  transition: border-color .2s, box-shadow .2s;
}

.cm2-design-form input::placeholder {
  color: var(--cm2-muted);
}

.cm2-design-form input:focus,
.cm2-design-form select:focus {
  border-color: var(--cm2-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(11, 116, 255, 0.15);
}

/* ========== Button ========== */
.cm2-design-form button {
  width: 100%;
  background: var(--cm2-primary);
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .15s;
}

.cm2-design-form button:hover {
  background: var(--cm2-primary-dark);
  transform: translateY(-1px);
}

.cm2-design-form button:active {
  transform: translateY(0);
}
/* Sắp xếp 2 trường trên 1 dòng */
.cm2-design-form .form-row {
  display: flex;
  gap: 16px;
}

.cm2-design-form .form-row .form-group.half {
  flex: 1;
}

/* Mobile: chuyển về 1 cột */


/* ========== Responsive ========== */
@media (max-width: 600px) {
  .cm2-design-form {
    padding: 20px 16px;
    margin: 20px auto;
  }
  .cm2-design-form h3 {
    font-size: 1.2rem;
    margin-bottom: 18px;
  }
  .cm2-design-form input,
  .cm2-design-form select {
    font-size: 14px;
    padding: 10px 12px;
  }
  .cm2-design-form button {
    font-size: 15px;
    padding: 12px;
  }
}