:root{
  --panel-bg: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #bdbdbd;
  --btn: #f3f4f6;
  --btn-hover: #e5e7eb;
  --focus: #2563eb;
}

*{ box-sizing: border-box; }

html, body{ height: 100%; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #fff;
}

.auth{
  min-height: 100vh;
  display: flex;
}

.auth__media{
  flex: 1 1 55%;
  background-image: url("../../images/image_4.png"), url("image_1.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.auth__panel{
  flex: 0 0 45%;
  min-width: 420px;
  background: var(--panel-bg);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 42px 56px;
}

.auth__inner{
  width: 100%;
  max-width: 560px;
}

.auth__brand{
  display: flex;
  justify-content: flex-start;
  margin-bottom: 28px;
}

.auth__logo{
  height: 150px;
  width: auto;
  display: block;
  max-width: 100%;
}

.container{ width: 100%; }
.form-container{ width: 100%; margin-top: 10px; }

.form-box { display: none; }
.form-box.active { display: block; }

.form-box h2{
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 650;
}

/* Updated Grid for side-by-side names */
.form-box form {
  display: grid;
  grid-template-columns: 1fr 1fr; /* Two equal columns */
  gap: 18px;
}

/* Elements that should stay full-width (Span both columns) */
.form-box h2, 
.form-box .msg, 
.form-box input[name="email"],
.form-box input[name="username"],
.form-box input[name="password"],
.form-box input[name="name"], /* Login username */
.form-box input[name="age"],
.form-box .admin-entry,
.form-box button,
.form-box p {
  grid-column: span 2;
}

/* First and Last name will naturally take 1 column each (side-by-side) */

.form-box input,
.form-box select{
  width: 100%;
  height: 56px;
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0 18px;
  font-size: 15px;
  outline: none;
  background: #fff;
}

.form-box input:focus,
.form-box select:focus{
  border-color: var(--focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 18%, transparent);
}

.form-box button {
  height: 56px;
  /* Reduced width from 420px to 320px */
  width: 100%;
  max-width: 320px; 
  justify-self: center; /* Keeps button centered in the grid */
  border: 1px solid var(--border);
  background: var(--btn);
  color: #111;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
  grid-column: span 2;
}

.form-box button:hover {
  background: var(--btn-hover);
}

.form-box p{ margin: 6px 0 0; text-align: center; font-size: 14px; }
.form-box a{ color: #111; text-decoration: underline; }

.msg {
    grid-column: span 2;
    text-align: center;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
    font-weight: bold;
}
.msg--success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.msg--error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

.admin-entry {
    border-left: 4px solid #f39c12;
    padding-left: 10px;
    margin: 0;
    display: grid;
    gap: 18px;
}

.admin-entry input { background-color: #fff9f0; }

#error-message {
    background-color: #ffe6e6;
    color: #cc0000;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
    text-align: center;
    border: 1px solid #ffcccc;
    font-size: 0.9rem;
}

/* Responsive: stack names on small screens */
@media (max-width: 600px){
  .form-box form {
    grid-template-columns: 1fr;
  }
  .form-box h2, .form-box .msg, .form-box input, .form-box .admin-entry, .form-box button, .form-box p {
    grid-column: span 1;
  }
}

@media (max-width: 900px){
  .auth{ flex-direction: column; }
  .auth__media{ min-height: 38vh; flex-basis: auto; }
  .auth__panel{ min-width: 0; flex: 1 1 auto; align-items: center; padding: 32px 20px; }
  .auth__brand{ justify-content: center; }
}