@font-face {
  font-family: "HuWindGoth";
  src:
    url("/static/fonts/HuWindGoth.ttf") format("truetype"),
    local("HuWindGoth"),
    local("HUWindgoth");
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ui-font: "HuWindGoth", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  --bg: #071017;
  --bg-end: #0a1520;
  --bg-spot-a: rgba(125, 227, 197, 0.12);
  --bg-spot-b: rgba(123, 180, 255, 0.14);
  --bg-soft: #0d1722;
  --panel: rgba(12, 20, 31, 0.92);
  --panel-strong: rgba(17, 28, 40, 0.98);
  --line: rgba(182, 214, 248, 0.18);
  --line-strong: rgba(125, 227, 197, 0.32);
  --text-main: #e9f3ff;
  --text-soft: rgba(215, 231, 247, 0.74);
  --accent: #7de3c5;
  --accent-strong: #9ef2da;
  --danger: #ffb4b4;
  --danger-bg: rgba(124, 43, 43, 0.32);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
  --focus-ring: rgba(125, 227, 197, 0.12);
  --button-primary-bg: rgba(125, 227, 197, 0.16);
  --button-primary-border: rgba(125, 227, 197, 0.28);
  --button-primary-hover-border: rgba(125, 227, 197, 0.44);
  --button-primary-text: var(--accent-strong);
  --button-secondary-bg: rgba(188, 216, 255, 0.12);
  --button-secondary-border: rgba(188, 216, 255, 0.18);
  --button-secondary-text: var(--text-main);
  --button-danger-bg: var(--danger-bg);
  --button-danger-border: rgba(255, 180, 180, 0.2);
  --button-danger-text: var(--danger);
  --panel-muted: rgba(10, 16, 25, 0.82);
  --badge-admin-border: rgba(125, 227, 197, 0.3);
  --badge-admin-text: var(--accent-strong);
  --badge-inactive-border: rgba(255, 180, 180, 0.2);
  --badge-inactive-text: var(--danger);
  font-family: var(--ui-font);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #eef4f8;
  --bg-end: #f7fbfd;
  --bg-spot-a: rgba(13, 111, 103, 0.1);
  --bg-spot-b: rgba(37, 93, 141, 0.11);
  --bg-soft: #ffffff;
  --panel: rgba(251, 253, 255, 0.94);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --line: rgba(71, 97, 122, 0.2);
  --line-strong: rgba(13, 111, 103, 0.28);
  --text-main: #162430;
  --text-soft: #587082;
  --accent: #0d6f67;
  --accent-strong: #14867c;
  --danger: #982f2f;
  --danger-bg: rgba(152, 47, 47, 0.1);
  --shadow: 0 18px 40px rgba(59, 80, 100, 0.12);
  --focus-ring: rgba(13, 111, 103, 0.1);
  --button-primary-bg: rgba(13, 111, 103, 0.12);
  --button-primary-border: rgba(13, 111, 103, 0.24);
  --button-primary-hover-border: rgba(13, 111, 103, 0.36);
  --button-primary-text: #0d6f67;
  --button-secondary-bg: rgba(37, 93, 141, 0.09);
  --button-secondary-border: rgba(37, 93, 141, 0.16);
  --button-secondary-text: #255d8d;
  --button-danger-bg: rgba(152, 47, 47, 0.1);
  --button-danger-border: rgba(152, 47, 47, 0.2);
  --button-danger-text: #982f2f;
  --panel-muted: rgba(245, 249, 252, 0.96);
  --badge-admin-border: rgba(13, 111, 103, 0.22);
  --badge-admin-text: #0d6f67;
  --badge-inactive-border: rgba(152, 47, 47, 0.2);
  --badge-inactive-text: #982f2f;
}

* {
  box-sizing: border-box;
}

body.auth-page {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, var(--bg-spot-a), transparent 38%),
    radial-gradient(circle at top right, var(--bg-spot-b), transparent 30%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-end) 100%);
  color: var(--text-main);
  font-family: var(--ui-font);
}

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

.auth-card,
.admin-shell {
  width: min(100%, 980px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.auth-card {
  max-width: 480px;
  padding: 28px;
  display: grid;
  gap: 18px;
}

.auth-kicker {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.auth-title {
  margin: 0;
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  line-height: 1.08;
}

.auth-copy,
.auth-note,
.auth-help {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.55;
}

.auth-status {
  min-height: 22px;
  font-size: 0.88rem;
  color: var(--text-soft);
}

.auth-status.error {
  color: var(--danger);
}

.auth-form,
.admin-create-form {
  display: grid;
  gap: 12px;
}

.auth-admin-entry {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.auth-admin-entry[hidden] {
  display: none;
}

.auth-field,
.admin-field {
  display: grid;
  gap: 6px;
}

.auth-field label,
.admin-field label {
  font-size: 0.82rem;
  color: var(--text-soft);
}

.auth-field input,
.admin-field input,
.admin-field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-soft);
  color: var(--text-main);
  padding: 12px 13px;
  font: inherit;
}

.auth-field input:focus,
.admin-field input:focus,
.admin-field select:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.auth-submit,
.admin-btn {
  border: 1px solid var(--button-primary-border);
  border-radius: 14px;
  background: var(--button-primary-bg);
  color: var(--button-primary-text);
  padding: 12px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.auth-submit:hover,
.admin-btn:hover {
  transform: translateY(-1px);
  border-color: var(--button-primary-hover-border);
}

.auth-submit-secondary {
  background: var(--button-secondary-bg);
  border-color: var(--button-secondary-border);
  color: var(--button-secondary-text);
}

.auth-submit:disabled,
.admin-btn:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.auth-switch-link {
  color: var(--accent-strong);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.admin-shell {
  padding: 24px;
  display: grid;
  gap: 18px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-title-group {
  display: grid;
  gap: 4px;
}

.admin-title {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
}

.admin-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-btn.secondary {
  background: var(--button-secondary-bg);
  border-color: var(--button-secondary-border);
  color: var(--button-secondary-text);
}

.admin-btn.danger {
  background: var(--button-danger-bg);
  border-color: var(--button-danger-border);
  color: var(--button-danger-text);
}

.admin-grid {
  display: grid;
  gap: 18px;
}

.admin-section {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel-strong);
  padding: 18px;
  display: grid;
  gap: 14px;
}

.admin-section h2 {
  margin: 0;
  font-size: 1rem;
}

.admin-users {
  display: grid;
  gap: 12px;
}

.admin-user-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-muted);
  padding: 14px;
  display: grid;
  gap: 12px;
}

.admin-user-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-user-name {
  font-weight: 700;
  font-size: 1rem;
}

.admin-user-meta {
  color: var(--text-soft);
  font-size: 0.78rem;
}

.admin-user-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-badge {
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 0.72rem;
}

.admin-badge.admin {
  border-color: var(--badge-admin-border);
  color: var(--badge-admin-text);
}

.admin-badge.inactive {
  border-color: var(--badge-inactive-border);
  color: var(--badge-inactive-text);
}

.admin-user-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
}

.admin-checkline {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.admin-checkline input {
  width: auto;
}

.admin-empty {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.admin-usage-panel {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  gap: 12px;
}

.admin-usage-panel[hidden] {
  display: none;
}

.admin-usage-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-usage-heading span {
  color: var(--text-soft);
  font-size: 0.78rem;
}

.admin-usage-metrics {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.admin-usage-metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
  padding: 10px;
  display: grid;
  gap: 3px;
  min-width: 0;
}

.admin-usage-metric strong {
  overflow-wrap: anywhere;
}

.admin-usage-metric span {
  color: var(--text-soft);
  font-size: 0.72rem;
}

.admin-usage-active {
  border: 1px solid var(--badge-admin-border);
  border-radius: 12px;
  color: var(--badge-admin-text);
  padding: 9px 10px;
  font-size: 0.82rem;
}

.admin-usage-list {
  display: grid;
  gap: 8px;
  max-height: 420px;
  overflow: auto;
}

.admin-usage-conversation {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-strong);
  padding: 10px;
  display: grid;
  gap: 5px;
}

.admin-usage-excerpt {
  margin: 0;
  color: var(--text-main);
  font-size: 0.82rem;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 840px) {
  .admin-user-form {
    grid-template-columns: 1fr;
  }

  .admin-usage-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-actions {
    width: 100%;
  }

  .admin-actions .admin-btn {
    flex: 1 1 auto;
  }
}

body.auth-page,
body.auth-page * {
  font-family: var(--ui-font) !important;
}

/* Login surface aligned with the main conversation shell */
body.login-page {
  --login-main-bg: #212121;
  --login-sidebar-bg: #171717;
  --login-surface: #2f2f2f;
  --login-surface-soft: #2a2a2a;
  --login-surface-hover: #383838;
  --bg: var(--login-main-bg);
  --bg-end: var(--login-main-bg);
  --bg-soft: var(--login-surface-soft);
  --panel: var(--login-main-bg);
  --panel-strong: var(--login-surface);
  --line: #383838;
  --line-strong: #525252;
  --text-main: #ececec;
  --text-soft: #b4b4b4;
  --accent: #7ee0c3;
  --accent-strong: #9ae9d2;
  --focus-ring: rgba(126, 224, 195, 0.13);
  --button-primary-bg: #ececec;
  --button-primary-border: #ececec;
  --button-primary-hover-border: #ffffff;
  --button-primary-text: #171717;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--login-main-bg);
}

html[data-theme="light"] body.login-page {
  --login-main-bg: #ffffff;
  --login-sidebar-bg: #f9f9f9;
  --login-surface: #ffffff;
  --login-surface-soft: #f4f4f4;
  --login-surface-hover: #ececec;
  --bg: var(--login-main-bg);
  --bg-end: var(--login-main-bg);
  --bg-soft: var(--login-surface-soft);
  --panel: var(--login-main-bg);
  --panel-strong: var(--login-surface);
  --line: #e3e3e3;
  --line-strong: #c9c9c9;
  --text-main: #171717;
  --text-soft: #6f6f6f;
  --accent: #10a37f;
  --accent-strong: #0e8f70;
  --focus-ring: rgba(16, 163, 127, 0.11);
  --button-primary-bg: #171717;
  --button-primary-border: #171717;
  --button-primary-hover-border: #000000;
  --button-primary-text: #ffffff;
}

.login-page .auth-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: clamp(280px, 30vw, 390px) minmax(0, 1fr);
  place-items: stretch;
  padding: 0;
}

.login-brand-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-right: 1px solid var(--line);
  background: var(--login-sidebar-bg);
}

.login-brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  text-decoration: none;
}

.login-brand-lockup img {
  width: 122px;
  max-height: 31px;
  object-fit: contain;
}

.login-brand-lockup > span {
  display: grid;
  min-width: 0;
}

.login-brand-lockup strong {
  font-size: 0.92rem;
  line-height: 1.2;
}

.login-brand-lockup small {
  color: var(--text-soft);
  font-size: 0.68rem;
}

.login-brand-message {
  max-width: 310px;
  margin: auto 0;
}

.login-brand-message .auth-kicker {
  margin-bottom: 14px;
}

.login-brand-message h1 {
  margin: 0;
  color: var(--text-main);
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.login-brand-message > p:last-child {
  margin: 18px 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.65;
}

.login-brand-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--text-soft);
  font-size: 0.72rem;
}

.login-brand-foot span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent);
}

.login-stage {
  min-width: 0;
  display: grid;
  place-items: center;
  overflow-y: auto;
  padding: 32px;
  background: var(--login-main-bg);
}

.login-page .auth-card {
  width: min(100%, 430px);
  max-width: none;
  display: grid;
  gap: 17px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--login-surface);
  box-shadow: none;
  backdrop-filter: none;
}

.login-page .auth-kicker {
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.login-page .auth-title {
  max-width: 360px;
  font-size: clamp(1.8rem, 4vw, 2.25rem);
  font-weight: 650;
  letter-spacing: -0.03em;
}

.login-page .auth-copy,
.login-page .auth-help {
  font-size: 0.86rem;
}

.login-page .auth-status {
  min-height: 18px;
  font-size: 0.8rem;
}

.login-page .auth-form {
  gap: 14px;
}

.login-page .auth-field {
  gap: 7px;
}

.login-page .auth-field label {
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 600;
}

.login-page .auth-field input {
  min-height: 46px;
  padding: 11px 13px;
  border-color: transparent;
  border-radius: 12px;
  background: var(--login-surface-soft);
}

.login-page .auth-field input:hover {
  border-color: var(--line);
}

.login-page .auth-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.login-page .auth-submit {
  min-height: 46px;
  margin-top: 2px;
  border-color: var(--button-primary-border);
  border-radius: 12px;
  background: var(--button-primary-bg);
  color: var(--button-primary-text);
  font-weight: 700;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.login-page .auth-submit:hover {
  border-color: var(--button-primary-hover-border);
  opacity: 0.9;
}

.login-page .auth-submit-secondary {
  border-color: var(--line);
  background: var(--login-surface-soft);
  color: var(--text-main);
}

.login-page .auth-help {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

@media (max-width: 760px) {
  body.login-page {
    overflow-y: auto;
  }

  .login-page .auth-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .login-brand-panel {
    gap: 20px;
    padding: 18px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .login-brand-lockup img {
    width: 105px;
  }

  .login-brand-message {
    margin: 0;
  }

  .login-brand-message .auth-kicker,
  .login-brand-message > p:last-child,
  .login-brand-foot {
    display: none;
  }

  .login-brand-message h1 {
    font-size: 1.3rem;
    line-height: 1.25;
  }

  .login-brand-message h1 br {
    display: none;
  }

  .login-stage {
    align-items: start;
    padding: 24px 16px 36px;
  }

  .login-page .auth-card {
    padding: 24px 20px;
    border-radius: 16px;
  }
}