* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--chk-bg);
  color: var(--chk-text);
}

.chk-auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.chk-auth__card {
  width: 100%;
  max-width: 420px;
  background: var(--chk-surface);
  border: 1px solid var(--chk-border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.chk-auth__card--wide {
  max-width: 520px;
}

.chk-auth__logo {
  display: flex;
  justify-content: center;
  margin-bottom: 18px;
}

.chk-auth__card h1 {
  font-family: "Archivo Black", sans-serif;
  font-size: 22px;
  margin: 0 0 18px;
  text-align: center;
}

.chk-auth__alert {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 14px;
}

.chk-auth__alert--error {
  background: #ffe8e8;
  border: 1px solid #f2b9b9;
  color: #8b1f1f;
}

.chk-auth__alert--success {
  background: #e7f6ef;
  border: 1px solid #b6e1c9;
  color: var(--chk-primary);
}

label {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--chk-text);
}
.chk-label {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--chk-text);
  font-weight: 500;
}

.chk-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--chk-border);
  margin-bottom: 14px;
  font-size: 14px;
  background: var(--chk-surface);
  color: var(--chk-text);
  box-sizing: border-box;
}
.chk-input:focus {
  outline: none;
  border-color: var(--chk-primary);
  box-shadow: 0 0 0 2px rgba(15, 92, 59, 0.15);
}
select.chk-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236c6c6c' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--chk-border);
  margin-bottom: 14px;
  font-size: 14px;
}

input[type="text"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: var(--chk-primary);
  box-shadow: 0 0 0 2px rgba(15, 92, 59, 0.15);
}

.chk-auth__remember {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}

button[type="submit"] {
  width: 100%;
  padding: 12px 14px;
  border: none;
  border-radius: 999px;
  background: var(--chk-primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

button[type="submit"]:hover {
  filter: brightness(0.95);
}

.chk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: var(--chk-font-base);
  font-weight: 500;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--chk-radius-full);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
  text-decoration: none;
  min-height: var(--chk-btn-h);
  box-sizing: border-box;
}
.chk-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.chk-btn--primary {
  background: var(--chk-primary);
  color: #fff;
}
.chk-btn--outline {
  background: transparent;
  border-color: var(--chk-border);
  color: var(--chk-text);
}
.chk-btn--sm {
  padding: 6px 10px;
  font-size: var(--chk-font-sm);
  min-height: 28px;
}
.chk-btn--lg {
  padding: 12px 18px;
  font-size: var(--chk-font-md);
  min-height: 44px;
}
.chk-btn--block {
  width: 100%;
}

.chk-auth__link {
  display: block;
  text-align: center;
  margin-top: 14px;
  font-size: 14px;
  color: var(--chk-text-muted);
  text-decoration: none;
}

.chk-auth__link:hover {
  text-decoration: underline;
}

.chk-auth__subtitle {
  text-align: center;
  margin: -6px 0 18px;
  color: var(--chk-text-muted);
  font-size: 14px;
}

.chk-auth__options {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.chk-auth__option {
  border: 1px solid var(--chk-border);
  border-radius: 12px;
  padding: 14px;
  background: var(--chk-surface);
  text-align: left;
  cursor: pointer;
  display: grid;
  gap: 6px;
}

.chk-auth__option.is-selected {
  border-color: var(--chk-primary);
  box-shadow: 0 0 0 2px rgba(15, 92, 59, 0.15);
}

.chk-auth__option-title {
  font-weight: 700;
  color: var(--chk-text);
}

.chk-auth__option-desc {
  font-size: var(--chk-font-base);
  color: var(--chk-text-muted);
}

.chk-auth__business-name {
  margin-bottom: 16px;
}

.chk-auth__google-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--chk-border);
  border-radius: 999px;
  background: var(--chk-surface);
  color: var(--chk-text);
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 16px;
}

.chk-auth__google-btn:hover {
  background: #f4f5f7;
}

.chk-auth__google-icon {
  display: inline-flex;
}

.chk-auth__separator {
  position: relative;
  text-align: center;
  margin: 14px 0 18px;
}

.chk-auth__separator::before {
  content: \"\";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--chk-border);
}

.chk-auth__separator span {
  position: relative;
  background: var(--chk-surface);
  padding: 0 10px;
  font-size: 13px;
  color: var(--chk-text-muted);
}

.chk-auth__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--chk-font-base);
}
.chk-auth__table th,
.chk-auth__table td {
  padding: 10px;
  border-bottom: 1px solid var(--chk-border);
  text-align: left;
}
.chk-auth__table th {
  font-weight: 600;
  color: var(--chk-text);
}
.chk-auth__table form {
  margin: 0;
}
.chk-auth__muted {
  color: var(--chk-text-muted);
  font-size: var(--chk-font-sm);
}
.chk-auth__section-title {
  margin-top: var(--chk-space-lg);
}

@media (max-width: 480px) {
  .chk-auth__card {
    padding: 24px;
  }
}