/* ════════════════════════════════════════════════════════════════
   Platform Auth Design System
   Shared tokens, base rules, and reusable auth UI primitives
   ════════════════════════════════════════════════════════════════ */

:root {
  --ds-p900: #103E84;
  --ds-p800: #0058E1;
  --ds-p700: #0064FF;
  --ds-p600: #267BFF;
  --ds-p500: #4D93FF;
  --ds-p400: #99C1FF;
  --ds-p300: #D9E8FF;
  --ds-p200: #EBF3FF;
  --ds-p100: #F6FAFF;
  --ds-p90: #F9FAFC;

  --ds-n900: #122546;
  --ds-n800: #2A3B58;
  --ds-n700: #3D4C67;
  --ds-n600: #495771;
  --ds-n500: #59667E;
  --ds-n400: #636F85;
  --ds-n300: #717C90;
  --ds-n200: #7F899B;
  --ds-n100: #8D96A6;
  --ds-n90: #9BA3B1;
  --ds-n80: #AAB1BC;
  --ds-n70: #B8BEC8;
  --ds-n60: #C4C8D1;
  --ds-n50: #E7E9ED;
  --ds-n40: #ECEEF0;
  --ds-n30: #F6F6F8;
  --ds-n20: #FAFAFB;
  --ds-n10: #FBFBFC;

  --ds-w900: #1F1F1F;
  --ds-w800: #333333;
  --ds-w700: #555555;
  --ds-w600: #777777;
  --ds-w500: #999999;
  --ds-w400: #C0C0C0;
  --ds-w300: #E3E3E3;
  --ds-w200: #F3F3F3;
  --ds-w100: #FFFFFF;
  --ds-gray100: #F3F4F6;

  --ds-w900a: rgba(255, 255, 255, 0.95);
  --ds-w700a: rgba(255, 255, 255, 0.5);
  --ds-w500a: rgba(255, 255, 255, 0.3);
  --ds-w300a: rgba(255, 255, 255, 0.15);
  --ds-w100a: rgba(255, 255, 255, 0.08);

  --ds-d75a: rgba(0, 0, 0, 0.75);
  --ds-d50a: rgba(0, 0, 0, 0.5);
  --ds-d25a: rgba(0, 0, 0, 0.25);

  --ds-r900: #CB3F3F;
  --ds-r700: #E56262;
  --ds-r500: #FA8282;
  --ds-r300: #FFAAAA;
  --ds-r100: #FFD6D6;
  --ds-r000: #FFF3F3;

  --ds-o900: #E96339;
  --ds-o700: #EF8D6E;
  --ds-o500: #F3A991;
  --ds-o300: #F9D2C6;
  --ds-o100: #FDEEE9;
  --ds-o000: #FFF8F5;

  --ds-y900: #FFAB04;
  --ds-y700: #FFCF52;
  --ds-y500: #FFDF8D;
  --ds-y300: #FFEA85;
  --ds-y100: #FFF5DC;
  --ds-y000: #FFFBEF;

  --ds-g900: #47B071;
  --ds-g700: #4AD180;
  --ds-g500: #88DAA9;
  --ds-g300: #A6E38E;
  --ds-g100: #CDF3DC;
  --ds-g000: #F1FBF5;

  --ds-e900: #319AA9;
  --ds-e700: #31D0E3;
  --ds-e500-color: #3ADFF7;
  --ds-e300-color: #98EEFB;
  --ds-e100-color: #E3FBFE;
  --ds-e000: #F6FEFF;

  --ds-s900: #56B0FF;
  --ds-s700: #83C5FF;
  --ds-s500: #B7DDFF;
  --ds-s300: #E1F1FF;
  --ds-s100: #F4FAFF;
  --ds-s000: #F9FCFF;

  --ds-b900: #1884D9;
  --ds-b700: #47A3F5;
  --ds-b500: #64B6FF;
  --ds-b300: #9FD2FF;
  --ds-b100: #D0E9FF;
  --ds-b000: #F6FBFF;

  --ds-v900: #7B3EC8;
  --ds-v700: #9759E5;
  --ds-v500: #AB72F5;
  --ds-v300: #C08FFF;
  --ds-v100: #E8D7FF;
  --ds-v000: #F4EBFF;

  --ds-excel-green: #1E7145;
  --ds-excel-dark-green: #1B603B;
  --ds-snackbar-cyan: #4AD8FF;

  --ds-e500: 0 18px 28px rgba(0, 0, 0, 0.15), 0 0 1px rgba(0, 0, 0, 0.3);
  --ds-e400: 0 10px 18px rgba(0, 0, 0, 0.15), 0 0 1px rgba(0, 0, 0, 0.3);
  --ds-e300: 0 1px 1px rgba(0, 0, 0, 0.1), 0 2px 2px rgba(0, 0, 0, 0.15);
  --ds-e200: 0 1px 1px rgba(0, 0, 0, 0.04), 0 2px 6px rgba(0, 0, 0, 0.05);
  --ds-e100: 0 1px 1px rgba(0, 0, 0, 0.05), 0 2px 3px rgba(0, 0, 0, 0.1);

  --ds-t900: var(--ds-w900);
  --ds-t700: var(--ds-w800);
  --ds-t500: var(--ds-w700);
  --ds-t300: var(--ds-w600);
  --ds-t90: #888888;
  --ds-t70: var(--ds-w500);
  --ds-t100: var(--ds-w100);

  --ds-font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ds-line-height: 1.5;
  --ds-letter-spacing: -0.02em;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: var(--ds-font-family);
  line-height: var(--ds-line-height);
  letter-spacing: var(--ds-letter-spacing);
  color: var(--ds-t900);
  background-color: var(--ds-n40);
}

:where(p, span, li, h1, h2, h3, h4, h5, h6, a, button, label, td, th) {
  overflow-wrap: anywhere;
  word-break: break-word;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

::-webkit-scrollbar-button {
  display: none;
}

.ds-scrollbar {
  scrollbar-width: 12px;
  scrollbar-color: var(--ds-w300) transparent;
}

.ds-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.ds-scrollbar::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 3px;
}

.ds-scrollbar::-webkit-scrollbar-thumb {
  background: var(--ds-w300);
  border-radius: 3px;
}

.ds-scrollbar::-webkit-scrollbar-thumb:hover {
  background: var(--ds-w400);
}

.ds-scrollbar::-webkit-scrollbar-corner {
  background: transparent;
}

.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  padding: 100px 16px 100px;
  background-color: var(--ds-n40);
}

.auth-footer {
  width: 100%;
  /* .login-container(flex column + min-height:100vh + padding-bottom:100px) 안에서
     - 짧은 페이지: margin-top:auto 가 footer 를 하단까지 밀어 페이지 하단에서 100px 위치
     - 긴 폼 페이지: margin-top:auto 가 작동하지 않으므로 padding-top:100px 으로 폼과 100px 간격 보장
     (스크롤 발생 OK) */
  margin-top: auto;
  padding-top: 100px;
  padding-bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.auth-footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.auth-footer-links a {
  font-size: 14px;
  color: #888888;
  text-decoration: none;
}

.auth-footer-links a:hover {
  color: #555555;
}

.auth-footer-copyright {
  font-size: 14px;
  color: #0F0F0F;
}

.login-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 532px;
}

.login-header {
  width: 100%;
  margin-bottom: 16px;
  text-align: center;
}

.login-header-text {
  font-size: 18px;
  font-weight: 600;
  line-height: 150%;
  color: var(--ds-t900);
}

.auth-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.auth-brand-logo-link {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.auth-brand-logo-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.auth-brand-logo {
  width: auto;
  max-width: 220px;
  height: 40px;
}

.auth-beta-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  border-radius: 4px;
  background-color: var(--ds-p300);
  color: var(--ds-p600);
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  white-space: nowrap;
}

.auth-brand-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--ds-n600);
  text-align: center;
}

.login-card {
  width: 100%;
  max-width: 532px;
  background: var(--ds-w100);
  border-radius: 30px;
  box-shadow: var(--ds-e200);
  padding: 48px 60px;
}

.login-card-title {
  margin-bottom: 32px;
  text-align: center;
  font-family: Pretendard, sans-serif;
  font-size: 24px;
  font-style: normal;
  font-weight: 500;
  line-height: 150%;
  letter-spacing: -0.48px;
  color: var(--ds-t900);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 150%;
  color: var(--ds-t900);
}

.form-control {
  display: block;
  width: 100%;
  height: 52px;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 400;
  line-height: 150%;
  letter-spacing: -0.32px;
  color: var(--ds-t700);
  background-color: var(--ds-w100);
  border: 1px solid var(--ds-w400);
  border-radius: 6px;
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.form-control::placeholder {
  color: var(--ds-t70);
}

.form-control:hover {
  border-color: var(--ds-w800);
}

.form-control:focus {
  outline: none;
  border-color: var(--ds-p600);
}

.form-control.is-invalid,
.form-control.is-invalid:hover,
.form-control.is-invalid:focus {
  border-color: var(--ds-r900);
}

.form-control:disabled,
.form-control[readonly] {
  background-color: var(--ds-n40);
  border-color: var(--ds-n60);
  color: var(--ds-n70);
  cursor: not-allowed;
}

/* 인풋 우측 아이콘 영역 — JS form-control-enhance.js 가 자동으로 wrap/inject */
.form-input-wrapper {
  position: relative;
}
.form-input-wrapper .form-control {
  padding-right: 48px;
}
.form-input-clear,
.form-input-warning {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: 0;
}
.form-input-clear {
  width: 24px;
  height: 24px;
  cursor: pointer;
}
.form-input-warning {
  width: 20px;
  height: 20px;
  pointer-events: none;
}
/* active(focus) + 값 있음 → 삭제 아이콘 노출. error 일 때는 노출 금지 */
.form-input-wrapper:not(.is-invalid):focus-within.has-value .form-input-clear {
  display: inline-flex;
}
/* error → 경고 아이콘 노출 */
.form-input-wrapper.is-invalid .form-input-warning {
  display: inline-flex;
}

.invalid-feedback {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 400;
  line-height: 150%;
  color: var(--ds-r700);
}

/* 약관 영역 체크박스 — 크기·체크 색 통일 (회원가입 step2 / 온보딩 등 .login-card .agreement-section 공통) */
.login-card .agreement-section input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  min-width: 1.125rem;
  min-height: 1.125rem;
  margin: 0;
  accent-color: var(--ds-b900, #1884d9);
  cursor: pointer;
  flex-shrink: 0;
  vertical-align: middle;
}

.login-card .agreement-section input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--ds-b500, #64b6ff);
  outline-offset: 2px;
}

.btn-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 130px;
  height: 52px;
  padding: 14px 24px;
  gap: 8px;
  color: var(--ds-w100);
  background-color: var(--ds-w800);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease;
  font-size: 16px;
  font-weight: 700;
  line-height: 150%;
}

.btn-login:hover {
  background-color: var(--ds-w900);
}

.btn-login:active {
  background-color: var(--ds-w700);
}

.btn-login:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.login-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  margin-bottom: 24px;
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 150%;
  color: var(--ds-t500);
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s ease;
}

.btn-link:hover {
  color: var(--ds-t900);
  text-decoration: underline;
}

.link-divider {
  color: var(--ds-w400);
  font-size: 14px;
}

.social-login-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.btn-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 48px;
  padding: 12px 18px;
  gap: 10px;
  color: var(--ds-t700);
  background-color: var(--ds-w100);
  border: 1px solid var(--ds-n50);
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  font-size: 15px;
  font-weight: 600;
  line-height: 150%;
}

.btn-social:hover {
  background-color: var(--ds-n30);
  border-color: var(--ds-n60);
}

.btn-social:focus-visible {
  outline: 2px solid var(--ds-p600);
  outline-offset: 2px;
}

.btn-social-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.alert {
  padding: 14px 16px;
  margin-bottom: 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  line-height: 150%;
}

.alert-success {
  background-color: var(--ds-g000);
  border: 1px solid var(--ds-g300);
  color: var(--ds-g900);
}

.alert-danger {
  background-color: var(--ds-r000);
  border: 1px solid var(--ds-r300);
  color: var(--ds-r900);
}

.alert-warning {
  background-color: var(--ds-y000);
  border: 1px solid var(--ds-y300);
  color: var(--ds-y900);
}

.alert-info {
  background-color: var(--ds-p100);
  border: 1px solid var(--ds-p300);
  color: var(--ds-p900);
}

.text-center { text-align: center; }
.text-muted { color: var(--ds-w600); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.d-inline { display: inline; }
.w-100 { width: 100%; }

@media (max-width: 768px) {
  .login-card {
    padding: 32px 24px;
    border-radius: 20px;
  }

  .login-header-text {
    font-size: 16px;
  }

  .auth-brand {
    margin-bottom: 24px;
  }

  .auth-brand-logo {
    max-width: 188px;
    height: 34px;
  }

}