:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #f0f3f6;
  --text: #18212f;
  --muted: #687385;
  --line: #d9e0e7;
  --accent: #1f8a70;
  --accent-dark: #15614f;
  --danger: #b03333;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding-bottom: 86px;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html.viewer-open,
body.viewer-open {
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body.viewer-open {
  position: fixed;
  left: 0;
  right: 0;
}

button,
input,
select,
textarea {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  font: inherit;
}

textarea {
  min-height: 260px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  resize: vertical;
}

button {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
}

button:disabled {
  opacity: 0.45;
  cursor: default;
}

.secondary-button {
  border-color: var(--line);
  background: #ffffff;
  color: var(--text);
}

.secondary-button.is-active {
  border-color: var(--accent);
  background: #e5f4ef;
  color: var(--accent-dark);
}

.danger-button {
  border-color: var(--danger);
  background: var(--danger);
  color: #ffffff;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 34px;
  min-height: 34px;
  border-color: var(--line);
  border-radius: 999px;
  padding: 0;
  background: rgb(255 255 255 / 0.92);
  color: var(--text);
}

.media-card__actions[hidden] {
  display: none !important;
}

.is-hidden {
  display: none !important;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 2px;
  font-size: 26px;
  letter-spacing: 0;
}

.topbar p {
  margin-bottom: 0;
  color: var(--muted);
}

main {
  width: min(1220px, calc(100% - 32px));
  margin: 20px auto 32px;
}

.media-tabs,
.download-form,
.upload-form,
.toolbar,
.dialog-actions {
  display: flex;
  gap: 10px;
}

.media-tabs {
  position: fixed;
  left: 50%;
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 20;
  width: min(520px, calc(100% - 24px));
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgb(255 255 255 / 0.94);
  box-shadow: 0 12px 32px rgb(18 24 34 / 0.18);
  transform: translateX(-50%);
  backdrop-filter: blur(12px);
}

.tab-button {
  min-width: 0;
  flex: 1 1 0;
  border-color: var(--line);
  background: var(--panel);
  color: var(--text);
}

.tab-button.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.action-panel,
.toolbar {
  margin-bottom: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.action-panel summary {
  display: flex;
  align-items: center;
  min-height: 40px;
  color: var(--accent-dark);
  cursor: pointer;
  font-weight: 700;
}

.action-panel summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-right: 8px;
  border-radius: 999px;
  background: #e5f4ef;
}

.action-panel[open] summary::before {
  content: "-";
}

.download-panel,
.upload-panel {
  padding-top: 12px;
}

.upload-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.panel-heading {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.4;
}

.panel-note {
  margin: 0 0 10px;
}

.panel-note a {
  color: var(--accent-dark);
  font-weight: 700;
}

.download-form input,
.toolbar input,
.upload-form #common-tags {
  flex: 1;
}

.video-url-form {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(180px, 1.4fr) minmax(140px, 1fr) auto auto;
  gap: 10px;
  margin-top: 12px;
}

.favorite-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}

.favorite-folder-form,
.favorite-folder-filter {
  display: flex;
  gap: 10px;
  margin-bottom: 0;
}

.favorite-folder-form input {
  flex: 1;
}

.favorite-folder-form {
  order: 3;
}

.favorite-folder-filter {
  order: 2;
}

.favorite-folders {
  order: 1;
  display: grid;
  gap: 10px;
}

.favorite-folder {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.favorite-folder__open {
  display: grid;
  justify-items: start;
  gap: 3px;
  min-height: 50px;
  border-color: var(--line);
  background: #ffffff;
  color: var(--text);
}

.favorite-folder__open span {
  color: var(--muted);
  font-size: 13px;
}

.favorite-empty {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
}

.favorite-folder__menu {
  position: relative;
}

.favorite-folder__actions {
  top: 40px;
  right: 0;
  z-index: 4;
}

.favorite-folder-detail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.favorite-folder-detail h2 {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 20px;
  line-height: 1.3;
}

.favorite-media-folders {
  display: grid;
  gap: 8px;
  min-height: 80px;
  max-height: min(420px, 60vh);
  overflow: auto;
}

.favorite-media-folder {
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.toolbar select {
  flex: 0 0 150px;
}

.file-picker {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border: 1px dashed var(--accent);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--accent-dark);
  cursor: pointer;
}

.file-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.upload-drafts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.upload-draft {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

.upload-draft__preview {
  grid-row: span 3;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 8px;
  background: #dfe5eb;
  color: var(--muted);
  font-weight: 700;
}

.upload-draft__preview img,
.upload-draft__preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status {
  min-height: 24px;
  margin-bottom: 12px;
  color: var(--muted);
}

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

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.media-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: visible;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.media-card:hover {
  border-color: var(--accent);
}

.media-card__preview {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 0;
  border-radius: 0;
  background: #e5e9ee;
  color: var(--muted);
  font-weight: 700;
  overflow: hidden;
}

.media-card__preview img,
.media-card__preview video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.media-card__body {
  position: absolute;
  inset: 0;
  min-height: 0;
  padding: 0;
  pointer-events: none;
  background: transparent;
}

.media-card h2 {
  display: none;
  margin: 0 40px 8px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
  line-height: 1.35;
}

.media-card__tags {
  display: none;
  flex-wrap: wrap;
  align-items: flex-start;
  max-height: 25px;
  min-height: 25px;
  gap: 6px;
  margin: 0 78px 0 0;
  overflow: hidden;
}

.media-card__tags.is-expanded {
  max-height: none;
  overflow: visible;
}

.tag {
  max-width: 100%;
  padding: 3px 8px;
  border-radius: 999px;
  background: #edf7f4;
  color: #125844;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag-more {
  display: none;
  position: absolute;
  right: 12px;
  bottom: 12px;
  min-height: 22px;
  height: 22px;
  border-color: var(--line);
  border-radius: 999px;
  padding: 0 8px;
  background: #ffffff;
  color: var(--accent-dark);
  font-size: 12px;
  line-height: 1;
}

.media-card__menu {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  pointer-events: auto;
}

.media-card__actions {
  position: absolute;
  top: 40px;
  right: 0;
  display: grid;
  gap: 8px;
  min-width: 110px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 24px rgb(18 24 34 / 0.16);
}

.is-image-card .media-card__body {
  min-height: 56px;
}

.is-image-card .media-card__tags {
  margin-top: 0;
}

.dialog,
.viewer-dialog {
  width: min(980px, calc(100vw - 28px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  background: var(--panel);
}

.dialog::backdrop,
.viewer-dialog::backdrop {
  background: rgb(18 24 34 / 0.68);
}

.dialog form {
  padding: 18px;
}

#edit-form {
  display: grid;
  gap: 10px;
}

.media-detail-dialog {
  width: min(860px, calc(100vw - 28px));
}

.media-detail {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
}

.media-detail__cover {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 8px;
  background: #e5e9ee;
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
}

.media-detail__cover img,
.media-detail__cover video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-detail__body {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 14px;
}

.media-detail__header {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  min-width: 0;
}

.media-detail__header h2 {
  margin: 0 0 6px;
  overflow-wrap: anywhere;
  font-size: 24px;
  line-height: 1.3;
}

.media-detail__meta {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.media-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-content: flex-start;
}

.media-detail__tag {
  min-height: 28px;
  border: 0;
  cursor: pointer;
}

.media-detail__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.media-detail__footer button {
  min-width: 92px;
}

#detail-love.is-active {
  border-color: #d64b7f;
  background: #fde8f0;
  color: #9f2554;
}

#detail-actions {
  top: 42px;
  right: 0;
}

.viewer-dialog {
  width: 100vw;
  max-width: none;
  height: 100vh;
  max-height: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: #07090d;
  color: #ffffff;
  overflow: hidden;
}

.viewer-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: #07090d;
}

.viewer-topbar,
.viewer-bottombar {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.viewer-topbar {
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: max(16px, env(safe-area-inset-top)) 18px 14px;
  background: linear-gradient(180deg, rgb(0 0 0 / 0.72), rgb(0 0 0 / 0));
  transform: translateY(-12px);
}

.viewer-topbar div {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.viewer-topbar strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
}

.viewer-topbar span {
  color: rgb(255 255 255 / 0.78);
  font-size: 13px;
}

.viewer-close {
  display: inline-grid;
  place-items: center;
  width: 42px;
  min-height: 42px;
  border: 1px solid rgb(255 255 255 / 0.2);
  border-radius: 999px;
  padding: 0;
  background: rgb(0 0 0 / 0.34);
  color: #ffffff;
  font-size: 28px;
  line-height: 1;
}

.viewer-bottombar {
  bottom: 0;
  padding: 18px 22px max(18px, env(safe-area-inset-bottom));
  background: linear-gradient(0deg, rgb(0 0 0 / 0.72), rgb(0 0 0 / 0));
  transform: translateY(12px);
}

.viewer-bottombar input {
  width: 100%;
  padding: 0;
  accent-color: var(--accent);
}

.viewer-shell.is-chrome-visible .viewer-topbar,
.viewer-shell.is-chrome-visible .viewer-bottombar {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.viewer-shell.is-video-viewer .viewer-bottombar {
  display: none;
}

.viewer-stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  touch-action: none;
  overscroll-behavior: none;
  user-select: none;
}

.viewer-shell.is-video-viewer .viewer-stage {
  inset: 0 0 calc(clamp(78px, 12dvh, 132px) + env(safe-area-inset-bottom)) 0;
  touch-action: auto;
  user-select: auto;
}

.comic-page,
.image-viewer,
.viewer-fallback {
  width: 100vw;
  height: 100vh;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
}

.viewer-fallback {
  opacity: 0.38;
  filter: blur(1px);
}

.viewer-loading {
  display: grid;
  place-items: center;
  width: 100vw;
  height: 100vh;
}

.viewer-loading span {
  width: 42px;
  height: 42px;
  border: 3px solid rgb(255 255 255 / 0.22);
  border-top-color: #ffffff;
  border-radius: 999px;
  animation: spin 760ms linear infinite;
}

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

.video-viewer {
  width: 100%;
  height: 100%;
  max-height: 100%;
  background: #000000;
  object-fit: contain;
}

.video-embed-viewer {
  border: 0;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

.checkbox-row input {
  min-height: 0;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 18px 0 4px;
}

.pagination--top {
  margin: 0 0 14px;
}

.pagination span {
  color: var(--muted);
}

@media (max-width: 820px) {
  .topbar,
  .download-form,
  .upload-form,
  .video-url-form,
  .toolbar,
  .media-detail {
    align-items: stretch;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .favorite-folder-form {
    flex-direction: column;
  }

  .favorite-folder-filter {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .favorite-folder-filter button {
    min-height: 34px;
    padding: 0 6px;
    font-size: 13px;
  }

  .toolbar select {
    flex-basis: auto;
  }

  body.favorite-detail-open .toolbar {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
  }

  body.favorite-detail-open .toolbar input {
    grid-column: 1 / -1;
  }

  body.favorite-detail-open .toolbar select {
    min-width: 0;
  }

  .media-detail__cover {
    max-height: 52vh;
  }

  .media-detail__tags {
    max-height: 128px;
    overflow-y: auto;
    padding-right: 4px;
  }

  .media-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .favorite-folder {
    grid-template-columns: 1fr auto;
  }

  .favorite-folder-detail {
    align-items: stretch;
    flex-direction: column;
  }

  .favorite-folder-detail h2 {
    font-size: 18px;
  }

  .tab-button {
    min-width: 0;
  }

  .media-card h2 {
    margin-right: 38px;
  }

  .media-card__tags {
    margin-right: 78px;
  }

  .media-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .media-card__body {
    min-height: 104px;
  }

  .is-image-card .media-card__body {
    min-height: 64px;
  }

  .media-card__actions {
    right: -2px;
  }
}