:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f5f5f5;
  --surface-muted: #efefef;
  --text: #0f0f0f;
  --muted: #606060;
  --line: #e5e5e5;
  --brand: #ff0033;
  --brand-dark: #d8002c;
  --shadow: 0 10px 30px rgba(15, 15, 15, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", "Segoe UI", sans-serif;
}

body.is-modal-open {
  overflow: hidden;
}

button,
input,
textarea {
  font: inherit;
}

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

.hub-body {
  background: #fff;
}

.embed-body .site-header {
  grid-template-columns: 240px minmax(0, 1fr);
}

.embed-body .site-header__center {
  justify-content: center;
}

.embed-body .search-bar {
  width: min(100%, 700px);
}

.embed-body .video-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px 16px;
}

.embed-body .feed-page {
  padding-bottom: 96px;
}

.embed-body .pagination {
  position: fixed;
  left: 50%;
  bottom: 38px;
  z-index: 32;
  margin-top: 0;
  padding: 8px 10px;
  border-radius: 999px;
  background: transparent;
  transform: translateX(-50%);
}

.embed-body .pagination[hidden] {
  display: none;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.pagination[hidden] {
  display: none;
}

.pagination__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 42px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.pagination__button:hover {
  transform: translateY(-1px);
}

.pagination__button.is-active {
  background: var(--brand);
  color: #fff;
}

.pagination__button:disabled {
  opacity: 0.45;
  cursor: default;
  transform: none;
}

.hub-layout {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: start;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 220px;
  align-items: center;
  gap: 20px;
  min-height: 78px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-link__mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.brand-link__text {
  display: grid;
  gap: 2px;
}

.brand-link__text strong {
  font-size: 18px;
}

.brand-link__text small {
  color: var(--muted);
  font-size: 12px;
}

.site-header__center {
  display: flex;
  justify-content: center;
}

.search-bar {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  width: min(100%, 860px);
  min-height: 52px;
  padding: 0 18px;
  border: 1px solid #d2d2d2;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(15, 15, 15, 0.03);
}

.search-bar__icon {
  color: var(--muted);
  font-size: 20px;
}

.search-bar__input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
}

.site-header__right {
  display: flex;
  justify-content: end;
  gap: 10px;
}

.header-action,
.pill-button,
.admin-entry,
.secondary-button,
.primary-button,
.video-card__menu,
.player-modal__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
}

.header-action:hover,
.pill-button:hover,
.admin-entry:hover,
.secondary-button:hover,
.primary-button:hover,
.video-card__menu:hover,
.player-modal__close:hover {
  transform: translateY(-1px);
}

.header-action--ghost,
.pill-button,
.secondary-button {
  border: 1px solid var(--line);
  background: #fff;
}

.primary-button,
.pill-button--primary,
.admin-entry {
  background: var(--brand);
  color: #fff;
}

.feed-page,
.admin-shell {
  padding: 18px 20px 40px;
}

.feed-sidebar {
  position: sticky;
  top: 78px;
  height: calc(100vh - 78px);
  padding: 14px 10px;
  border-right: 1px solid var(--line);
  background: #fff;
}

.feed-sidebar__nav {
  display: grid;
  gap: 10px;
}

.feed-sidebar__item {
  display: grid;
  justify-items: center;
  gap: 8px;
  padding: 10px 6px;
  border: 0;
  border-radius: 16px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.feed-sidebar__item.is-active,
.feed-sidebar__item:hover {
  background: var(--surface-soft);
}

.feed-sidebar__icon {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  font-size: 15px;
}

.feed-sidebar__item span:last-child {
  font-size: 13px;
  font-weight: 700;
}

.chip-strip-wrap {
  display: grid;
  gap: 10px;
}

.chip-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.chip-strip::-webkit-scrollbar,
.recommend-strip::-webkit-scrollbar {
  height: 8px;
}

.chip-strip::-webkit-scrollbar-thumb,
.recommend-strip::-webkit-scrollbar-thumb {
  background: #d8d8d8;
  border-radius: 999px;
}

.nav-chip {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 12px;
  background: var(--surface-muted);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.nav-chip.is-active {
  background: var(--text);
  color: #fff;
}

.nav-chip--light {
  background: #f8f8f8;
  color: var(--muted);
}

.nav-chip--light.is-active {
  background: #111;
  color: #fff;
}

.feed-summary {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px 18px;
}

.feed-summary__eyebrow,
.feed-summary__meta,
.video-card__channel,
.video-card__meta,
.player-modal__desc,
.player-meta-inline,
.recommend-card__meta,
.admin-desc,
.form-message,
.section-meta {
  color: var(--muted);
}

.feed-summary__eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.feed-summary__title,
.admin-title,
.admin-panel__title,
.section-title {
  margin: 0;
  letter-spacing: -0.03em;
}

.feed-summary__title {
  font-size: clamp(24px, 3vw, 36px);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 18px;
}

.video-card {
  min-width: 0;
}

.video-card__thumb {
  position: relative;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 18px;
  overflow: hidden;
  background: #ddd;
  cursor: pointer;
}

.video-card__thumb img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.video-card__badge,
.video-card__flag,
.player-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.video-card__badge {
  position: absolute;
  left: 12px;
  top: 12px;
  background: rgba(15, 15, 15, 0.72);
  color: #fff;
}

.video-card__flag {
  position: absolute;
  right: 12px;
  top: 12px;
  background: rgba(255, 0, 51, 0.92);
  color: #fff;
}

.video-card__info {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 28px;
  gap: 12px;
  padding: 12px 2px 0;
}

.video-card__avatar {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: linear-gradient(135deg, #111 0%, #4b4b4b 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.video-card__text {
  min-width: 0;
}

.video-card__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
  cursor: pointer;
}

.video-card__channel,
.video-card__meta {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.45;
}

.video-card__menu {
  width: 28px;
  min-height: 28px;
  padding: 0;
  border-radius: 999px;
  background: transparent;
  font-size: 20px;
}

.empty-state {
  padding: 80px 16px;
  border: 1px dashed var(--line);
  border-radius: 24px;
  text-align: center;
}

.empty-state h2,
.recommend-panel__head h3 {
  margin: 0;
}

.empty-state p,
.recommend-panel__head p {
  margin: 10px 0 0;
  color: var(--muted);
}

.player-modal[hidden] {
  display: none;
}

.player-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
}

.player-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 15, 0.7);
}

.player-modal__dialog {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
  gap: 22px;
  width: min(1380px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  margin: 16px auto;
  padding: 20px;
  border-radius: 28px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.player-modal__close {
  position: absolute;
  right: 18px;
  top: 18px;
  z-index: 2;
}

.player-modal__media {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 9;
}

.player-modal__media iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.player-loading {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  padding: 24px;
  background:
    radial-gradient(circle at top, rgba(255, 0, 51, 0.22), transparent 38%),
    linear-gradient(180deg, rgba(8, 8, 8, 0.94) 0%, rgba(15, 15, 15, 0.98) 100%);
  text-align: center;
}

.player-loading[hidden] {
  display: none;
}

.player-loading__spinner {
  width: 58px;
  height: 58px;
  border: 4px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--brand);
  border-radius: 999px;
  animation: player-spin 0.9s linear infinite;
}

.player-loading__title,
.player-loading__desc {
  margin: 0;
  color: #fff;
}

.player-loading__title {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
}

.player-loading__desc {
  max-width: 360px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
}

@keyframes player-spin {
  to {
    transform: rotate(360deg);
  }
}

.player-modal__body {
  display: grid;
  align-content: start;
  gap: 16px;
  min-height: 0;
  padding-top: 34px;
}

.player-modal__topline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.player-badge {
  background: #111;
  color: #fff;
}

.player-meta-inline {
  font-size: 14px;
}

.player-modal__title {
  margin: 0;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.35;
}

.player-modal__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.player-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.recommend-panel {
  display: grid;
  gap: 14px;
  min-height: 0;
}

.recommend-strip {
  display: grid;
  gap: 12px;
  max-height: 420px;
  overflow: auto;
}

.recommend-card {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 12px;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.recommend-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
}

.recommend-card__body {
  display: grid;
  align-content: start;
  gap: 6px;
  padding-top: 2px;
}

.recommend-card__title {
  font-size: 15px;
  line-height: 1.45;
}

.recommend-card__meta {
  font-size: 13px;
}

.recommend-empty {
  padding: 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  color: var(--muted);
}

.admin-body {
  background: #fafafa;
}

.admin-shell {
  max-width: 1120px;
  margin: 0 auto;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-bottom: 20px;
}

.admin-title {
  font-size: clamp(30px, 4vw, 46px);
}

.admin-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
}

.admin-panel + .admin-panel {
  margin-top: 20px;
}

.admin-panel__title {
  font-size: 24px;
}

.admin-form {
  display: grid;
  gap: 16px;
}

.admin-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.checkbox-field span {
  font-size: 14px;
  font-weight: 700;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  color: var(--text);
}

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

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f6f6f6 100%);
}

.login-shell {
  width: min(100%, 460px);
}

.login-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: var(--shadow);
}

.login-card__title {
  margin: 0;
  font-size: clamp(28px, 3vw, 36px);
  letter-spacing: -0.03em;
}

.login-card__desc {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.login-form__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.field textarea {
  resize: vertical;
}

.checkbox-field {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

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

.form-message {
  min-height: 24px;
  margin: 8px 0 0;
  white-space: pre-line;
}

.primary-button[disabled],
.secondary-button[disabled] {
  opacity: 0.58;
  cursor: wait;
}

.meta-pill--pending {
  background: rgba(255, 191, 0, 0.14);
  color: #8a5a00;
}

.admin-list {
  display: grid;
  gap: 16px;
}

.admin-video {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
}

.admin-video img {
  width: 100%;
  height: 100%;
  min-height: 150px;
  object-fit: cover;
}

.admin-video__body {
  padding: 16px;
}

.admin-video__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
}

.admin-video__meta,
.admin-video__desc {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.pill-row,
.admin-video__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill-row {
  margin-top: 12px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
}

.danger-button {
  border: 1px solid rgba(255, 0, 51, 0.25);
  background: rgba(255, 0, 51, 0.06);
  color: #c50029;
}

.admin-video.is-editing {
  border-color: rgba(255, 0, 51, 0.22);
  box-shadow: 0 14px 30px rgba(255, 0, 51, 0.08);
}

.admin-edit-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

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

@media (max-width: 1280px) {
  .video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .embed-body .video-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .player-modal__dialog {
    grid-template-columns: 1fr;
    overflow: auto;
  }

  .player-modal__body {
    padding-top: 0;
  }
}

@media (max-width: 900px) {
  .player-modal:not([hidden]) {
    display: grid;
    align-items: center;
    padding: 18px 0;
    overflow-y: auto;
  }

  .player-modal__dialog {
    margin: auto;
    max-height: calc(100dvh - 36px);
  }

  .hub-layout {
    grid-template-columns: 1fr;
  }

  .feed-sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feed-sidebar__nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-header {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .site-header__left,
  .site-header__center,
  .site-header__right {
    width: 100%;
  }

  .site-header__center {
    justify-content: stretch;
  }

  .site-header__right {
    justify-content: start;
  }

  .embed-body .site-header {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: 14px;
    padding: 20px 20px 16px;
  }

  .embed-body .site-header__left,
  .embed-body .site-header__center {
    width: 100%;
  }

  .embed-body .site-header__center {
    justify-content: stretch;
  }

  .embed-body .search-bar {
    width: 100%;
    max-width: none;
    min-height: 58px;
    padding: 0 20px;
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .embed-body .search-bar__icon {
    font-size: 24px;
  }

  .embed-body .search-bar__input {
    font-size: 17px;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .embed-body .video-grid {
    grid-template-columns: 1fr;
  }

  .embed-body .feed-page {
    padding-bottom: 184px;
  }

  .embed-body .pagination {
    bottom: 14px;
    width: calc(100vw - 28px);
    max-width: 420px;
    padding: 8px 10px;
  }

  .admin-header,
  .admin-form__grid,
  .admin-video {
    grid-template-columns: 1fr;
    display: grid;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .site-header,
  .feed-page,
  .admin-shell {
    padding-left: 14px;
    padding-right: 14px;
  }

  .feed-summary {
    display: grid;
    align-items: start;
  }

  .embed-body .site-header {
    padding: 18px 16px 14px;
  }

  .embed-body .search-bar {
    min-height: 56px;
    padding: 0 18px;
  }

  .embed-body .search-bar__input {
    font-size: 16px;
  }

  .player-modal__dialog {
    width: calc(100vw - 12px);
    margin: auto;
    padding: 14px;
    border-radius: 20px;
  }

  .recommend-card {
    grid-template-columns: 120px minmax(0, 1fr);
  }
}