@import url("https://fonts.googleapis.com/css2?family=Karla:wght@400;700&display=swap");

/* Reset & base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: hsl(148, 38%, 91%);
  font-family: "Karla", sans-serif;
  color: hsl(187, 24%, 22%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

.container {
  background: hsl(0, 0%, 100%);
  border-radius: 16px;
  padding: 1.5rem;
  max-width: 600px;
  width: 100%;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
  position: relative;
}

/* Heading */
h1 {
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: hsl(187, 24%, 22%);
  letter-spacing: -1px;
}

/* Form rows */
.form-row {
  margin-bottom: 0.5rem;
}

.two-cols {
  display: flex;
  gap: 1rem;
}

.two-cols .input-wrapper {
  flex: 1;
}

.form-group {
  margin-bottom: 0.5rem;
}

.input-wrapper {
  position: relative;
}

/* Labels */
label,
fieldset legend {
  font-size: 0.9rem;
  font-weight: 400;
  color: hsl(187, 24%, 22%);
  margin-bottom: 0.25rem;
  display: block;
}

span {
  color: hsl(169, 82%, 27%);
}

/* Inputs & textarea */
input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.95rem;
  font-weight: 400;
  font-family: "Karla", sans-serif;
  border: 1px solid hsl(186, 15%, 59%);
  border-radius: 8px;
  color: hsl(187, 24%, 22%);
  resize: vertical;
  transition: border-color 0.3s ease;
}

input[type="text"]:hover,
input[type="email"]:hover,
textarea:hover {
  border-color: hsl(169, 82%, 27%);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: hsl(169, 82%, 27%);
}

input.error,
textarea.error {
  border-color: hsl(0, 66%, 54%);
}

textarea {
  min-height: 65px;
  font-family: "Karla", sans-serif;
}

/* Radio group */
.radio-group {
  border: none;
  margin-bottom: 0.5rem;
}

.radio-group legend {
  margin-bottom: 0.5rem;
}

.radio-options-container {
  display: flex;
  gap: 1rem;
}

.radio-option {
  flex: 1;
  display: flex;
  align-items: center;
  border: 1px solid hsl(186, 15%, 59%);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-size: 1rem;
  color: hsl(187, 24%, 22%);
  font-weight: 400;
  margin-bottom: 0;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.radio-option:hover {
  border-color: hsl(169, 82%, 27%);
}

.radio-option input[type="radio"] {
  margin-right: 0.75rem;
  width: 20px;
  height: 20px;
  accent-color: hsl(169, 82%, 27%);
  cursor: pointer;
}

.radio-option:has(input[type="radio"]:checked) {
  background-color: hsl(148, 38%, 91%);
  border-color: hsl(169, 82%, 27%);
}

/* Checkbox */
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.95rem;
  font-weight: 400;
  color: hsl(187, 24%, 22%);
  margin-bottom: 0.75rem;
}

.checkbox input[type="checkbox"] {
  margin-top: 0.125rem;
  width: 18px;
  height: 18px;
  accent-color: hsl(169, 82%, 27%);
  cursor: pointer;
}

.checkbox label {
  margin-bottom: 0;
  cursor: pointer;
}

/* Button */
button {
  width: 100%;
  padding: 0.75rem 2rem;
  background-color: hsl(169, 82%, 27%);
  border: none;
  border-radius: 8px;
  color: hsl(0, 0%, 100%);
  font-weight: 700;
  font-size: 0.95rem;
  font-family: "Karla", sans-serif;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover,
button:focus {
  background-color: hsl(169, 82%, 20%);
  outline: none;
}

/* Error message */
.error {
  color: hsl(0, 66%, 54%);
  font-size: 0.875rem;
  font-weight: 400;
  margin-top: 0.25rem;
  display: block;
  min-height: 0.75rem;
}

/* Toast */
#toast {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background-color: hsl(187, 24%, 22%);
  color: hsl(0, 0%, 100%);
  padding: 1.5rem 2rem;
  border-radius: 12px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 9999;
}

#toast.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.toast-icon {
  width: 20px;
  height: 20px;
  stroke: hsl(0, 0%, 100%);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Responsive */
@media (max-width: 768px) {
  body {
    padding: 1rem;
    align-items: flex-start;
  }

  .container {
    padding: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
  }

  .two-cols {
    flex-direction: column;
    gap: 0;
  }

  h1 {
    font-size: 1.75rem;
  }

  #toast {
    top: 1rem;
    left: 1rem;
    right: 1rem;
    transform: translateY(-20px);
    max-width: calc(100% - 2rem);
  }

  #toast.show {
    transform: translateY(0);
  }
}