body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;

  font-family: Arial, Helvetica, sans-serif;
}

/* MAIN */
main {
  flex: 1;
  padding: 140px 20px 60px;
}

/* TITLE */
main h2 {
  font-size: 28px;
  color: rgb(119, 29, 29);
  text-align: center;
  margin-bottom: 20px;
}

/* FORM WRAPPER */
main form {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;

  padding: 25px;

  display: flex;
  flex-direction: column;
  gap: 20px;

  background: rgba(97, 228, 176, 0.06);
  border: 1px solid rgba(119, 29, 29, 0.15);
  border-radius: 12px;
}

/* FORM GROUPS */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* LABELS */
.form-group label {
  font-weight: bold;
  color: rgb(119, 29, 29);
  font-size: 15px;
}

/* TEXT / NUMBER / SELECT / TEXTAREA */
input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;

  padding: 12px;
  border-radius: 10px;
  border: 1px solid rgba(119, 29, 29, 0.3);

  font-size: 15px;
  font-family: inherit;

  background: white;
}

/* TEXTAREA */
textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.4;
}

/* FILE INPUT */
input[type="file"] {
  padding: 10px;
  border-radius: 10px;
  border: 1px solid rgba(119, 29, 29, 0.3);
  background: white;

  font-size: 14px;
  cursor: pointer;
}

/* FOCUS STATES */
input[type="text"]:focus,
input[type="number"]:focus,
input[type="file"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgb(119, 29, 29);
  box-shadow: 0 0 0 4px rgba(119, 29, 29, 0.15);
}

/* BUTTON */
.form-group + button {
  padding: 12px;
  border-radius: 10px;

  border: 2px solid rgb(119, 29, 29);
  background: rgb(119, 29, 29);

  color: white;
  font-weight: bold;
  font-size: 15px;

  cursor: pointer;
  transition: 0.2s ease;
}

button:hover {
  background: transparent;
  color: rgb(119, 29, 29);
}

/* ERROR CONTAINER */
.error-container {
  max-width: 560px;
  margin: 0 auto 20px;

  padding: 12px 16px;

  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.4);
  border-radius: 10px;
}

/* ERROR LIST */
.error-list {
  margin: 0;
  padding-left: 18px;
}

.error-list li {
  margin: 4px 0;

  color: rgb(231, 76, 60);
  font-size: 14px;
  font-weight: bold;
}

/* FOOTER */
footer {
  background: rgb(119, 29, 29);
  color: white;

  padding: 20px;
  text-align: center;
}

footer p {
  font-size: 14px;
  opacity: 0.9;
}

/* TABLET */
@media (min-width: 768px) {
  main {
    padding: 140px 40px 60px;
  }

  main form {
    padding: 30px;
  }
}

/* DESKTOP */
@media (min-width: 961px) {
  main {
    padding: 140px 80px 60px;
  }

  main h2 {
    font-size: 34px;
  }

  main form {
    padding: 35px;
  }
}