:root {
  --login-bg: #f5f6f8;
  --login-surface: #ffffff;
  --login-line: #d8dde6;
  --login-text: #222222;
  --login-muted: #6b7280;
  --login-primary: #2563eb;
  --login-primary-hover: #1d4ed8;
  --login-disabled: #9ca3af;
}

* {
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  overflow-y: auto !important;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Noto Sans KR", sans-serif;
  color: var(--login-text);
  background: var(--login-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

.login-page {
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  overflow-y: auto;
}

.login-shell {
  width: min(380px, 100%);
}

.login-card {
  padding: 28px;
  background: var(--login-surface);
  border: 1px solid var(--login-line);
  border-radius: 6px;
}

.login-title {
  margin: 0 0 20px;
  font-size: 22px;
  line-height: 1.3;
}

.form-label {
  display: block;
  margin: 14px 0 6px;
  font-size: 14px;
  font-weight: 600;
}

.form-input {
  width: 100%;
  height: 40px;
  padding: 0 10px;
  border: 1px solid #c8ced8;
  border-radius: 4px;
  font-size: 14px;
}

.form-input:focus {
  outline: 2px solid rgba(37, 99, 235, 0.18);
  border-color: var(--login-primary);
}

.primary-button {
  width: 100%;
  height: 42px;
  margin-top: 20px;
  border: 0;
  border-radius: 4px;
  background: var(--login-primary);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.primary-button:hover {
  background: var(--login-primary-hover);
}

.primary-button:disabled {
  background: var(--login-disabled);
  cursor: not-allowed;
}

.secondary-button {
  width: 100%;
  height: 42px;
  margin-top: 10px;
  border: 1px solid var(--login-line);
  border-radius: 4px;
  background: var(--login-surface);
  color: var(--login-text);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.secondary-button:hover {
  background: #f9fafb;
}

.message {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.5;
}

.message.success {
  color: #15803d;
}

.message.error {
  color: #b91c1c;
}

.back-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--login-primary);
}

.back-link:hover {
  text-decoration: underline;
}

/* 로그인 화면 — 비밀번호 변경 모달 (차세대 스타일) */
.login-pwd-modal {
  padding: 32px 28px 28px;
  max-width: 440px;
}

.login-pwd-step {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.login-pwd-badge {
  align-self: center;
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 100%);
  border: 1px solid #dbeafe;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.login-pwd-title {
  margin: 0 0 10px;
  color: #0f172a;
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  line-height: 1.35;
}

.login-pwd-desc {
  margin: 0 0 24px;
  color: #64748b;
  font-size: 14px;
  line-height: 1.65;
  text-align: center;
  white-space: pre-line;
}

.login-pwd-field {
  margin-bottom: 16px;
}

.login-pwd-hint {
  margin: 8px 0 0;
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.5;
}

.login-pwd-field-msg {
  margin: 8px 0 0;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.5;
}

.login-pwd-field-msg.is-ok {
  color: #16a34a;
}

.login-pwd-field-msg.is-error {
  color: #dc2626;
}

.login-pwd-btn {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.login-pwd-btn + .login-pwd-btn {
  margin-top: 10px;
}

.login-pwd-btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.22);
}

.login-pwd-btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
}

.login-pwd-btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.login-pwd-btn-ghost {
  background: #f8fafc;
  color: #475569;
  border: 1px solid #e2e8f0;
}

.login-pwd-btn-ghost:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.login-pwd-back {
  align-self: flex-start;
  margin: -4px 0 12px;
  padding: 0;
  border: none;
  background: transparent;
  color: #64748b;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.login-pwd-back:hover {
  color: #2563eb;
}

/* ========== 회원가입 ========== */
.login-page:has(.signup-section) {
  align-items: flex-start;
  justify-content: center;
  padding: 32px 16px 48px;
  background: var(--login-bg);
}

.login-page:has(.signup-section) .login-shell {
  width: min(560px, 100%);
}

.signup-section {
  width: 100%;
}

.signup-container {
  width: 100%;
}

.signup-card {
  padding: 32px 28px 28px;
  background: var(--login-surface);
  border: 1px solid var(--login-line);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.signup-header {
  margin-bottom: 8px;
}

.signup-title {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--login-text);
}

.signup-subtitle {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--login-muted);
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.signup-form .form-group {
  width: 100%;
  min-width: 0;
}

.signup-form .form-label {
  margin: 14px 0 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.signup-form .form-label .req {
  color: #ef4444;
  font-weight: 700;
}

.signup-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.signup-form .form-input,
.signup-form .form-select {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  border: 1px solid #c8ced8;
  border-radius: 8px;
  font-size: 14px;
  color: var(--login-text);
  background: #ffffff;
  box-sizing: border-box;
}

.signup-form .form-input:focus,
.signup-form .form-select:focus {
  outline: 2px solid rgba(37, 99, 235, 0.18);
  border-color: var(--login-primary);
}

.signup-form .form-select {
  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='%236b7280' d='M1.4.6 6 5.2 10.6.6 12 2 6 8 0 2z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.signup-form .select-wrap {
  width: 100%;
}

.signup-form .input-with-btn {
  display: flex;
  align-items: center;
  gap: 8px;
}

.signup-form .input-with-btn .form-input {
  flex: 1;
  min-width: 0;
}

.signup-form .input-with-btn .btn {
  flex-shrink: 0;
  min-width: 72px;
}

.signup-form .field-message {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
}

.signup-form .field-message.is-ok,
.signup-form .field-message.success {
  color: #15803d;
}

.signup-form .field-message.is-error,
.signup-form .field-message.error {
  color: #b91c1c;
}

.signup-form .verify-area {
  margin-top: 4px;
  padding: 12px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.signup-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.signup-actions .btn {
  width: 100%;
}

@media (max-width: 560px) {
  .signup-form .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .signup-card {
    padding: 24px 18px 20px;
  }
}