:root {
  color-scheme: dark;
  --bg: #08090b;
  --panel: #111317;
  --line: #24272e;
  --text: #f0f1f3;
  --muted: #9299a5;
  --accent: #b5f5cb;
  --danger: #ffaaaa;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}
header {
  height: 80px;
  max-width: 1140px;
  margin: auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}
header button {
  margin-left: auto;
}
.brand {
  font-size: 25px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.12em;
  font-weight: 800;
}
.brand span {
  color: var(--text);
  font-size: 18px;
}
main {
  max-width: 1080px;
  margin: 54px auto;
  min-height: 68vh;
  padding: 0 24px;
}
h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.04em;
  margin: 8px 0 22px;
}
h2 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 8px 0;
}
p {
  margin: 10px 0 18px;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 12px;
}
.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin: 0;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}
.narrow {
  max-width: 520px;
  margin: 70px auto;
  text-align: center;
}
.heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin: 28px 0 16px;
}
.pill {
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 99px;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}
button,
select,
input {
  font: inherit;
}
button,
a.action {
  color: var(--text);
  border: 1px solid #343942;
  border-radius: 8px;
  padding: 9px 14px;
  background: #1c2026;
  cursor: pointer;
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: background 0.15s;
}
button:hover,
a.action:hover {
  background: #2a3039;
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #102219;
  font-weight: 650;
}
button.danger {
  color: var(--danger);
  background: transparent;
}
button:focus-visible,
a:focus-visible,
select:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
input,
select {
  background: #090b0e;
  border: 1px solid #363c45;
  border-radius: 7px;
  color: var(--text);
  padding: 9px 10px;
  max-width: 100%;
}
label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 13px;
}
input[type="checkbox"] {
  accent-color: var(--accent);
}
form {
  display: grid;
  gap: 18px;
  margin-top: 20px;
  text-align: left;
}
summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
}
details {
  margin-top: 24px;
}
nav {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  margin: 25px 0;
}
nav button {
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: none;
  padding: 12px 18px;
  color: var(--muted);
}
nav button.selected {
  color: var(--accent);
  border-color: var(--accent);
}
#qr {
  background: white;
  border-radius: 12px;
  padding: 12px;
  max-width: 100%;
  height: auto;
}
#qrbox {
  padding: 16px 0;
}
#qrstatus {
  font-size: 13px;
  color: var(--muted);
}
#dropzone {
  text-align: center;
  padding: 34px 12px;
  border: 1px dashed #3c444c;
  border-radius: 10px;
  cursor: pointer;
}
#dropzone.drag {
  border-color: var(--accent);
  background: #14241c;
}
.upload-icon {
  display: block;
  color: var(--accent);
  font-size: 36px;
  line-height: 1.3;
}
#dropzone p {
  font-size: 13px;
  margin-bottom: 4px;
}
.options {
  display: flex;
  gap: 24px;
  align-items: center;
  margin-top: 22px;
  flex-wrap: wrap;
}
.check {
  flex-direction: row;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
}
#custom-ttl {
  margin-top: 0;
}
#ttl-amount {
  width: 120px;
}
.heading .actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
progress {
  width: 100%;
  height: 8px;
  accent-color: var(--accent);
}
#progressbox {
  margin-top: 24px;
}
#progress-text,
#import-status {
  font-size: 13px;
  color: var(--muted);
}
.table-wrap {
  overflow: auto;
  padding: 0;
}
table {
  border-collapse: collapse;
  width: 100%;
  text-align: left;
}
th {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.05em;
  font-weight: 500;
}
th,
td {
  padding: 17px 20px;
  border-bottom: 1px solid var(--line);
}
td {
  font-size: 13px;
}
td:first-child {
  min-width: 200px;
  overflow-wrap: anywhere;
}
td.actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.tag {
  display: block;
  font-size: 10px;
  color: var(--accent);
}
.empty {
  padding: 28px;
  color: var(--muted);
  text-align: center;
}
.library {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
}
.chapter {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 14px;
  padding: 22px;
  overflow-wrap: anywhere;
}
.chapter p {
  color: var(--muted);
  font-size: 12px;
}
.chapter button {
  margin-right: 8px;
  margin-top: 8px;
}
#notice {
  border: 1px solid #454039;
  background: #221e18;
  border-radius: 8px;
  padding: 12px 18px;
  margin-bottom: 22px;
  overflow-wrap: anywhere;
}
.reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  background: #08090bf2;
  padding: 12px 0;
  z-index: 2;
}
.reader-toolbar label {
  flex-direction: row;
  align-items: center;
  font-size: 12px;
}
#paged-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin: 20px;
}
#paged-controls label {
  flex-direction: row;
  align-items: center;
}
#page-number {
  width: 80px;
}
#pages {
  max-width: 850px;
  margin: 0 auto;
}
#pages img {
  display: block;
  width: 100%;
  height: auto;
}
.page-slot {
  min-height: 50vh;
  background: #0c0e11;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}
.page-slot.loaded {
  min-height: 0;
}
.page-slot.failed {
  min-height: 180px;
}
#reader-status {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}
footer {
  text-align: center;
  padding: 24px;
  color: #696f7a;
  font-size: 11px;
  border-top: 1px solid var(--line);
}
[hidden] {
  display: none !important;
}
@media (max-width: 650px) {
  header {
    padding: 0 20px;
    height: 65px;
    gap: 12px;
  }
  header > .muted {
    display: none;
  }
  main {
    margin: 30px auto;
    padding: 0 16px;
  }
  .narrow {
    margin: 35px auto;
  }
  .heading {
    align-items: flex-start;
  }
  .heading > .pill {
    display: none;
  }
  .card {
    padding: 18px;
  }
  .table-wrap {
    padding: 0;
  }
  th,
  td {
    padding: 12px;
  }
  .check {
    font-size: 12px;
  }
  .check .muted {
    display: none;
  }
  .reader-toolbar strong {
    font-size: 13px;
  }
  #paged-controls {
    gap: 8px;
    margin: 16px 0;
  }
  .options {
    gap: 16px;
  }
  .library {
    grid-template-columns: 1fr;
  }
}

.chapter img {
  width: 96px;
  height: 140px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 12px;
}

.phone-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  flex-wrap: wrap;
}
#phone-login {
  margin-top: 18px;
}

/* Drive controls keep names readable on phones and in narrow windows. */
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.drive-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin: 20px 0; }
#breadcrumbs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; border: 0; margin: 0; overflow-wrap: anywhere; }
#breadcrumbs button { border: 1px solid var(--line); border-radius: 7px; padding: 7px 10px; max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.folder-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(230px,1fr)); gap: 14px; margin-bottom: 22px; }
.folder-card { min-width: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 15px; }
.folder-open { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; width: 100%; white-space: normal; overflow-wrap: anywhere; text-align: left; background: none; border: 0; padding: 3px; margin-bottom: 12px; }
.folder-open strong { font-size: 16px; }
.search-label { margin-left: auto; }
.drive-dialog, .preview-dialog { color: var(--text); background: var(--panel); border: 1px solid #3c444c; border-radius: 16px; padding: 24px; max-width: min(94vw,540px); width: 540px; max-height: 90dvh; overflow-y: auto; }
.drive-dialog::backdrop, .preview-dialog::backdrop { background: #000c; }
.drive-dialog form { margin-top: 0; }
.drive-dialog input:not([type=checkbox]), .drive-dialog select { width: 100%; }
.drive-dialog > button { margin-top: 14px; }
#folder-qr { display: block; margin: auto; background: white; padding: 10px; border-radius: 10px; max-width: 100%; height: auto; }
.preview-dialog { width: min(1100px,94vw); max-width: 94vw; }
.preview-dialog .heading { margin-top: 0; }
#preview-title { overflow-wrap: anywhere; min-width: 0; }
#preview-content { text-align: center; }
#preview-content img, #preview-content video { max-width: 100%; max-height: 72dvh; object-fit: contain; }
#preview-content video { width: 100%; }
@media (max-width:650px) {
  .folder-grid { grid-template-columns: 1fr; }
  .search-label { max-width: 180px; }
  .drive-dialog, .preview-dialog { padding: 18px; }
  .drive-toolbar > .actions { gap: 6px; }
  td.actions { min-width: 235px; }
}