:root {
  --primary: #0080ff;
  --on-primary: #ffffff;
  --primary-container: #d6eaff;
  --on-primary-container: #00325c;
  --primary-hover: #0073e6;
  --btn-filled-bg: #0080ff;
  --btn-filled-bg-hover: #0073e6;
  --btn-filled-fg: #ffffff;
  --secondary: #52606f;
  --on-secondary: #ffffff;
  --secondary-container: #d9e4f1;
  --on-secondary-container: #101d2a;
  --success: #158a44;
  --success-container: #d3f2dc;
  --on-success-container: #0a2f15;
  --danger: #ba1a1a;
  --error-container: #ffdad6;
  --on-error-container: #410002;
  --warning-container: #fff4d6;
  --on-warning-container: #6b5200;
  --surface: #f7f9fc;
  --container-lowest: #ffffff;
  --container-low: #f2f5f9;
  --container: #e9eef5;
  --container-high: #e3e9f1;
  --container-highest: #dde3ec;
  --on-surface: #1c1f22;
  --on-surface-variant: #44484e;
  --outline: #757a81;
  --outline-variant: #c4c9d0;
  --hover-overlay: rgba(28, 31, 34, .07);
  --focus-ring: rgba(0, 128, 255, .28);
  --radius-card: 16px;
  --radius-field: 8px;
  --radius-chip: 8px;
  --e1: 0 1px 2px rgba(28, 31, 34, .08);
  --e2: 0 3px 8px rgba(28, 31, 34, .10);
  --e3: 0 10px 28px rgba(28, 31, 34, .16);
  --bg: var(--surface);
  --card: var(--container-low);
  --text: var(--on-surface);
  --muted: var(--on-surface-variant);
  --border: var(--outline-variant);
  --primary-dark: var(--primary-hover);
  --ok: var(--success);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --primary: #7db8ff;
  --on-primary: #00325c;
  --primary-container: #004a80;
  --on-primary-container: #d6eaff;
  --primary-hover: #4d9fff;
  --btn-filled-bg: #0080ff;
  --btn-filled-bg-hover: #1a8cff;
  --btn-filled-fg: #ffffff;
  --secondary: #bdc9da;
  --on-secondary: #27313d;
  --secondary-container: #3d4956;
  --on-secondary-container: #d8e4f3;
  --success: #6ee79a;
  --success-container: #123b21;
  --on-success-container: #baf3cd;
  --danger: #f87171;
  --error-container: #93000a;
  --on-error-container: #ffdad6;
  --warning-container: #43340a;
  --on-warning-container: #ffe08a;
  --surface: #101418;
  --container-lowest: #0b0f13;
  --container-low: #181d22;
  --container: #1c2126;
  --container-high: #262b31;
  --container-highest: #31363c;
  --on-surface: #e1e2e8;
  --on-surface-variant: #c4c7cd;
  --outline: #8e9299;
  --outline-variant: #43474e;
  --hover-overlay: rgba(225, 226, 232, .07);
  --focus-ring: rgba(125, 184, 255, .32);
  --e1: 0 1px 3px rgba(0, 0, 0, .45);
  --e2: 0 3px 10px rgba(0, 0, 0, .50);
  --e3: 0 10px 30px rgba(0, 0, 0, .60);
  --bg: var(--surface);
  --card: var(--container-low);
  --text: var(--on-surface);
  --muted: var(--on-surface-variant);
  --border: var(--outline-variant);
  --primary-dark: var(--primary-hover);
  --ok: var(--success);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --primary: #7db8ff;
    --on-primary: #00325c;
    --primary-container: #004a80;
    --on-primary-container: #d6eaff;
    --primary-hover: #4d9fff;
    --btn-filled-bg: #0080ff;
    --btn-filled-bg-hover: #1a8cff;
    --btn-filled-fg: #ffffff;
    --secondary: #bdc9da;
    --on-secondary: #27313d;
    --secondary-container: #3d4956;
    --on-secondary-container: #d8e4f3;
    --success: #6ee79a;
    --success-container: #123b21;
    --on-success-container: #baf3cd;
    --danger: #f87171;
    --error-container: #93000a;
    --on-error-container: #ffdad6;
    --warning-container: #43340a;
    --on-warning-container: #ffe08a;
    --surface: #101418;
    --container-lowest: #0b0f13;
    --container-low: #181d22;
    --container: #1c2126;
    --container-high: #262b31;
    --container-highest: #31363c;
    --on-surface: #e1e2e8;
    --on-surface-variant: #c4c7cd;
    --outline: #8e9299;
    --outline-variant: #43474e;
    --hover-overlay: rgba(225, 226, 232, .07);
    --focus-ring: rgba(125, 184, 255, .32);
    --e1: 0 1px 3px rgba(0, 0, 0, .45);
    --e2: 0 3px 10px rgba(0, 0, 0, .50);
    --e3: 0 10px 30px rgba(0, 0, 0, .60);
    --bg: var(--surface);
    --card: var(--container-low);
    --text: var(--on-surface);
    --muted: var(--on-surface-variant);
    --border: var(--outline-variant);
    --primary-dark: var(--primary-hover);
    --ok: var(--success);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color .25s ease, color .25s ease;
}
::selection { background: var(--primary-container); color: var(--on-primary-container); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
a { color: var(--primary); text-decoration: none; }
.container { width: min(960px, 92%); margin: 0 auto; }
.topbar {
  background: var(--container-lowest);
  border-bottom: 1px solid var(--outline-variant);
  box-shadow: var(--e1);
  position: sticky; top: 0; z-index: 10;
  transition: background-color .25s ease;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand {
  font-size: 20px; font-weight: 700;
  color: var(--primary); text-decoration: none;
  letter-spacing: .2px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-logo { height: 32px; width: 32px; object-fit: contain; }
.menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}
.menu-btn span {
  display: block;
  width: 20px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--on-surface);
  transition: transform .25s ease, opacity .25s ease;
}
.menu-btn.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
.nav { display: flex; align-items: center; gap: 10px; }
.nav a { color: var(--on-surface); text-decoration: none; padding: 6px 10px; border-radius: 999px; }
.nav a:hover { background: var(--hover-overlay); color: var(--primary); }
.nav .user { color: var(--on-surface-variant); font-size: 14px; padding: 0 4px; }
.btn {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid var(--outline-variant);
  border-radius: 999px;
  background: transparent;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .3px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s, box-shadow .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--hover-overlay); }
.btn:active { background: var(--primary-container); }
.btn-primary {
  background: var(--btn-filled-bg);
  border-color: transparent;
  color: var(--btn-filled-fg);
  box-shadow: var(--e1);
}
.btn-primary:hover { background: var(--btn-filled-bg-hover); box-shadow: var(--e2); }
.btn-primary:active { background: var(--btn-filled-bg); box-shadow: none; filter: brightness(.96); }
.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--primary);
}
.btn-ghost:hover { background: var(--hover-overlay); }
.btn-small { padding: 5px 14px; font-size: 13px; }
.btn-block { display: block; width: 100%; text-align: center; }
.input, select, .file-btn input {
  padding: 9px 12px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-field);
  font-size: 14px;
  background: transparent;
  color: var(--on-surface);
  caret-color: var(--primary);
  transition: border-color .15s, box-shadow .15s, background-color .25s;
}
.input:hover, select:hover { border-color: var(--outline); }
.input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--focus-ring);
}
select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 36px;
  cursor: pointer;
}
.select-wrap { position: relative; display: block; }
.select-wrap select { width: 100%; }
.select-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--on-surface-variant);
  font-size: 12px;
  pointer-events: none;
}
select option {
  background-color: var(--container-low);
  color: var(--on-surface);
}
.file-btn { position: relative; overflow: hidden; }
.file-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
main { flex: 1; padding: 24px 0 48px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.page-head h1 { font-size: 22px; margin: 0; font-weight: 700; }
.card {
  background: var(--container-low);
  border: none;
  border-radius: var(--radius-card);
  box-shadow: var(--e1);
  padding: 24px;
  transition: box-shadow .2s, background-color .25s;
}
.card:hover { box-shadow: var(--e2); }
.card.narrow { max-width: 440px; margin: 40px auto; }
.card h1 { font-size: 20px; margin: 0 0 16px; }
.flash { padding: 12px 18px; border-radius: 12px; margin-bottom: 14px; font-size: 14px; border: none; box-shadow: var(--e1); }
.flash-ok { background: var(--success-container); color: var(--on-success-container); }
.flash-error { background: var(--error-container); color: var(--on-error-container); }
.flash-warning { background: var(--warning-container); color: var(--on-warning-container); }
.flash a { color: inherit; text-decoration: underline; font-weight: 500; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar-form { display: flex; gap: 8px; align-items: center; }
.limit-hint { font-size: 13px; }
.crumbs { margin-bottom: 12px; font-size: 14px; }
.crumbs a { color: var(--primary); text-decoration: none; font-weight: 500; }
.crumbs a:hover { text-decoration: underline; }
.crumbs span { color: var(--on-surface-variant); margin: 0 4px; }
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--container-low);
  border-radius: var(--radius-card);
  box-shadow: var(--e1);
  overflow: hidden;
  transition: background-color .25s;
}
.table th {
  text-align: left;
  font-size: 13px;
  color: var(--on-surface-variant);
  font-weight: 600;
  letter-spacing: .3px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--outline-variant);
  background: var(--container-high);
}
.table td { padding: 11px 16px; border-bottom: 1px solid var(--outline-variant); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--container); }
.item-name { font-weight: 500; }
.col-size { width: 90px; }
.col-time { width: 150px; }
.col-ops { width: 210px; white-space: nowrap; }
.op {
  color: var(--primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-right: 10px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.op:hover { text-decoration: underline; }
.op.danger { color: var(--danger); }
.inline-form { display: inline; }
.tag {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-chip);
  background: var(--secondary-container);
  color: var(--on-secondary-container);
}
.tag-green { background: var(--success-container); color: var(--on-success-container); }
.tag-blue { background: var(--primary-container); color: var(--on-primary-container); }
.tag-red { background: var(--error-container); color: var(--on-error-container); }
.stack { display: flex; flex-direction: column; gap: 14px; }
.stack label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--on-surface); }
.stack input, .stack select { width: 100%; }
.block-label { display: block; font-size: 14px; color: var(--on-surface-variant); margin: 14px 0 6px; }
.copy-row { display: flex; gap: 8px; }
.copy-row .input { flex: 1; }
.empty { text-align: center; padding: 60px 0; color: var(--on-surface); background: var(--container-low); border: 1px dashed var(--outline-variant); border-radius: var(--radius-card); }
.empty p { margin: 4px 0; }
.muted { color: var(--on-surface-variant); }
.center { text-align: center; }
.big { font-size: 40px; margin: 0; }
.icon-mr { margin-right: 6px; }
.notice-warn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--warning-container);
  color: var(--on-warning-container);
  border-radius: var(--radius-field);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 14px;
}
.notice-warn i { font-size: 15px; }
.auth-card {
  max-width: 400px;
  margin: 48px auto;
  background: var(--container-lowest);
  border: none;
  border-radius: 20px;
  box-shadow: var(--e2);
  padding: 32px;
  transition: box-shadow .2s, background-color .25s;
}
.auth-card h1 { font-size: 22px; margin: 0 0 20px; text-align: center; }
.footer { border-top: 1px solid var(--outline-variant); padding: 16px 0; color: var(--on-surface-variant); font-size: 13px; text-align: center; background: var(--container-lowest); }
.footer-law { margin-top: 2px; font-size: 12px; opacity: .85; }
.btn, .admin-nav a, .pagination a, .nav a, .menu-btn {
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.btn { touch-action: manipulation; }
.ripple-ink {
  position: absolute;
  border-radius: 50%;
  background: currentColor;
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
  animation: ripple-anim .55s ease-out forwards;
}
@keyframes ripple-anim {
  0%   { opacity: .14; transform: scale(0); }
  100% { opacity: 0;   transform: scale(1); }
}
.upload-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 340px;
  max-width: calc(100vw - 40px);
  background: var(--container-high);
  border: none;
  border-radius: var(--radius-card);
  box-shadow: var(--e3);
  padding: 14px 16px;
  z-index: 50;
}
.upload-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 10px;
}
.upload-head .muted { font-weight: 400; font-size: 13px; }
.bar {
  height: 6px;
  background: var(--container-highest);
  border-radius: 999px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #33a0ff, var(--primary));
  border-radius: 999px;
  transition: width .2s ease;
}
.up-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--on-surface-variant);
  margin-top: 6px;
}
.up-file {
  color: var(--on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.up-results {
  max-height: 140px;
  overflow-y: auto;
  margin-top: 10px;
  font-size: 13px;
  border-top: 1px solid var(--outline-variant);
  padding-top: 8px;
}
.up-result { padding: 2px 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.up-result.ok { color: var(--success); }
.up-result.fail { color: var(--danger); }
.admin-nav {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  background: var(--container-low);
  border: none;
  border-radius: 999px;
  padding: 6px;
  box-shadow: var(--e1);
  width: fit-content;
}
.admin-nav a {
  padding: 7px 18px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--on-surface-variant);
  font-size: 14px;
  font-weight: 500;
  transition: background-color .15s, color .15s;
}
.admin-nav a:hover { background: var(--hover-overlay); color: var(--on-surface); }
.admin-nav a.active { background: var(--btn-filled-bg); color: var(--btn-filled-fg); box-shadow: var(--e1); }
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--container-low);
  border: none;
  border-radius: var(--radius-card);
  box-shadow: var(--e1);
  padding: 18px 12px;
  text-align: center;
  transition: box-shadow .2s;
}
.stat-card:hover { box-shadow: var(--e2); }
.stat-num { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--on-surface-variant); margin-top: 4px; }
.search-bar { display: flex; gap: 8px; margin-bottom: 14px; align-items: center; flex-wrap: wrap; }
.search-bar .input { width: 320px; max-width: 100%; }
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-block;
  min-width: 34px;
  padding: 5px 12px;
  border: 1px solid var(--outline-variant);
  border-radius: 999px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--on-surface);
  background: var(--container-low);
  box-sizing: border-box;
  transition: border-color .15s, color .15s, background-color .15s;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .pg-cur { background: var(--btn-filled-bg); border-color: var(--btn-filled-bg); color: var(--btn-filled-fg); font-weight: 600; box-shadow: var(--e1); }
.pagination .pg-disabled { color: var(--on-surface-variant); opacity: .5; }
.pagination .pg-dots { border: none; background: none; min-width: auto; padding: 5px 4px; }
.pagination .pg-info { border: none; background: none; color: var(--on-surface-variant); margin-left: 8px; min-width: auto; padding: 5px 0; }
.pagination .pg-info.only { margin: 10px 0 0; }
.row-banned td { opacity: .6; }
.col-link { width: 210px; }
.token {
  font-family: "SFMono-Regular", Consolas, "Courier New", monospace;
  font-size: 12px;
  background: var(--container-high);
  color: var(--on-surface-variant);
  border-radius: 6px;
  padding: 2px 6px;
  margin-right: 6px;
  word-break: break-all;
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
.sub-title { font-size: 16px; margin: 6px 0 10px; font-weight: 600; }
.quota { margin-bottom: 16px; }
.quota-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--on-surface);
  margin-bottom: 6px;
}
.quota-fill { background: linear-gradient(90deg, #33a0ff, var(--primary)); }
.drop-zone {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  backdrop-filter: blur(2px);
  pointer-events: none;
}
.drop-inner {
  background: var(--container-low);
  border: 2px dashed var(--primary);
  border-radius: var(--radius-card);
  padding: 40px 56px;
  text-align: center;
  box-shadow: var(--e3);
}
.drop-icon {
  font-size: 44px;
  color: var(--primary);
  margin-bottom: 10px;
}
.drop-inner p { margin: 0; font-size: 15px; font-weight: 500; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .55);
  padding: 20px;
}
.modal-card {
  background: var(--container-lowest);
  border-radius: var(--radius-card);
  box-shadow: var(--e3);
  width: min(720px, 100%);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--outline-variant);
}
.modal-close {
  border: none;
  background: transparent;
  color: var(--on-surface-variant);
  font-size: 18px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { background: var(--hover-overlay); color: var(--on-surface); }
.modal-body {
  padding: 16px;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pv-img { max-width: 100%; max-height: 70vh; border-radius: 8px; }
.pv-text {
  width: 100%;
  margin: 0;
  padding: 12px;
  background: var(--container-low);
  border: 1px solid var(--outline-variant);
  border-radius: 8px;
  font-family: "SFMono-Regular", Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--on-surface);
}
.modal-move {
  max-width: 420px;
  width: 100%;
}
.modal-body-move {
  padding: 0;
  display: block;
  max-height: 320px;
  overflow-y: auto;
}
.folder-tree {
  padding: 8px 0;
}
.folder-item {
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--on-surface);
  transition: background-color .15s;
  display: flex;
  align-items: center;
}
.folder-item:hover { background: var(--hover-overlay); }
.folder-item.active {
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-weight: 500;
}
.folder-item i {
  color: var(--primary);
  width: 18px;
  text-align: center;
}
.folder-root {
  border-bottom: 1px solid var(--outline-variant);
  margin-bottom: 4px;
}
.modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--outline-variant);
}
@media (max-width: 760px) {
  .two-col { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .col-time { display: none; }
  .col-ops { white-space: normal; }
  .op { padding: 4px 2px; display: inline-block; }
  .toolbar {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }
  .toolbar-row {
    display: flex;
    gap: 10px;
    align-items: center;
  }
  .toolbar-row .btn-primary { flex: 1; }
  .toolbar-row .btn { flex-shrink: 0; }
  .toolbar .limit-hint { display: none; }
  .toolbar-form {
    width: 100%;
    display: flex;
    gap: 8px;
  }
  .toolbar-form .input { flex: 1; min-width: 0; }
  .toolbar-form .btn { flex-shrink: 0; }
  .menu-btn { display: flex; }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 4px;
    padding: 10px 16px 14px;
    background: var(--container-lowest);
    border-bottom: 1px solid var(--outline-variant);
    box-shadow: var(--e2);
    z-index: 20;
  }
  .nav.open { display: flex; }
  .nav a, .nav .user { width: 100%; }
  .nav a { padding: 12px 10px; border-radius: 8px; font-size: 15px; }
  .nav a:hover { background: var(--hover-overlay); }
  .nav .user {
    display: block;
    padding: 8px 10px;
    color: var(--on-surface-variant);
    border-bottom: 1px solid var(--outline-variant);
    margin-bottom: 4px;
  }
  .nav .btn { width: 100%; display: flex; justify-content: center; margin-top: 4px; }
  .brand { font-size: 18px; }
  .btn { min-height: 44px; }
  .btn-small { min-height: 36px; }
  .pagination a, .pagination span { min-width: 40px; padding: 8px 12px; }
  .input, select, .stack input, .stack select { font-size: 16px; }
  .card, .auth-card { padding: 20px; }
  .auth-card { margin: 24px auto; }
  .page-head h1 { font-size: 20px; }
  .search-bar .input { width: 100%; }
  .upload-panel { left: 12px; right: 12px; bottom: 12px; width: auto; max-width: none; }
  .admin-nav { width: 100%; border-radius: var(--radius-card); overflow-x: auto; }
  .admin-nav a { flex: 1; text-align: center; white-space: nowrap; }
  .modal-move { max-width: calc(100vw - 24px); margin: 0 12px; }
  .modal-body-move { max-height: 50vh; }
  main { padding-bottom: 32px; }
}
@media (max-width: 400px) {
  .crumbs { font-size: 13px; }
  .card { padding: 16px; }
}

.upload-progress {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 90%;
  max-width: 480px;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  overflow: hidden;
  border: 1px solid var(--outline-variant);
}
.upload-progress-inner {
  padding: 16px 20px;
}
.upload-progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.upload-filename {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70%;
}
.upload-percent {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.upload-progress-bar {
  height: 8px;
  background: var(--surface-variant);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}
.upload-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--primary-container));
  border-radius: 4px;
  transition: width 0.3s ease;
}
.upload-progress-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--on-surface-variant);
}
#upload_speed {
  min-width: 60px;
}
#upload_status {
  color: var(--primary);
}
#upload_status[style*="error"] {
  color: var(--error);
}