:root {
  color-scheme: light dark;
  --bg0: #e4e7ee;
  --bg1: #e3e8f4;
  --bg2: #ebe6f3;
  --wash-a: rgba(118, 154, 230, 0.28);
  --wash-b: rgba(168, 140, 214, 0.18);
  --wash-c: rgba(140, 176, 210, 0.16);
  --fg: #1a1d22;
  --muted: #3c4552;
  --accent: #0b63e5;
  --accent-fg: #ffffff;
  --accent-soft: rgba(11, 99, 229, 0.14);
  --accent-glow: rgba(11, 99, 229, 0.22);
  --stage: #ffffff;
  --stage-dark: #101214;
  --warn-bg: #fff3d1;
  --warn-fg: #6a4a00;
  --err-bg: #fde7e7;
  --err-fg: #8b1b1b;
  --ok-bg: #e5f6ea;
  --ok-fg: #0d5c2e;
  --glass: rgba(255, 255, 255, 0.58);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --field: rgba(255, 255, 255, 0.76);
  --edge: rgba(255, 255, 255, 0.72);
  --field-edge: rgba(28, 34, 46, 0.16);
  --line: rgba(28, 32, 42, 0.12);
  --track: rgba(28, 32, 42, 0.12);
  --hover: rgba(28, 32, 42, 0.06);
  --sheen: linear-gradient(180deg, rgba(255, 255, 255, 0.46), rgba(255, 255, 255, 0.06) 42%, transparent 72%);
  --shadow: 0 0 0 1px rgba(22, 28, 40, 0.05), 0 10px 28px rgba(28, 36, 58, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  --shadow-pop: 0 0 0 1px rgba(22, 28, 40, 0.06), 0 18px 48px rgba(28, 36, 58, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  --option-bg: #f6f7fa;
  --focus: 0 0 0 4px rgba(11, 99, 229, 0.22);
  --radius-panel: 20px;
  --radius-control: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg0: #0c0e13;
    --bg1: #12151c;
    --bg2: #15131a;
    --wash-a: rgba(72, 112, 210, 0.30);
    --wash-b: rgba(132, 86, 196, 0.20);
    --wash-c: rgba(70, 100, 160, 0.14);
    --fg: #f3f4f6;
    --muted: #c5ced8;
    --accent: #5aa2ff;
    --accent-fg: #07121f;
    --accent-soft: rgba(90, 162, 255, 0.20);
    --accent-glow: rgba(90, 162, 255, 0.28);
    --warn-bg: #3a2f12;
    --warn-fg: #f2d48a;
    --err-bg: #3d1c1c;
    --err-fg: #ffb8b8;
    --ok-bg: #163224;
    --ok-fg: #b6ebc6;
    --glass: rgba(30, 33, 42, 0.58);
    --glass-strong: rgba(34, 37, 48, 0.86);
    --field: rgba(6, 8, 12, 0.38);
    --edge: rgba(255, 255, 255, 0.18);
    --field-edge: rgba(255, 255, 255, 0.16);
    --line: rgba(255, 255, 255, 0.12);
    --track: rgba(255, 255, 255, 0.14);
    --hover: rgba(255, 255, 255, 0.08);
    --sheen: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03) 40%, transparent 70%);
    --shadow: 0 0 0 1px rgba(0, 0, 0, 0.28), 0 12px 32px rgba(0, 0, 0, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.14);
    --shadow-pop: 0 0 0 1px rgba(0, 0, 0, 0.4), 0 20px 50px rgba(0, 0, 0, 0.48), inset 0 1px 0 rgba(255, 255, 255, 0.16);
    --option-bg: #1b1e26;
    --focus: 0 0 0 4px rgba(90, 162, 255, 0.32);
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root {
    --glass: rgba(246, 247, 250, 0.94);
    --glass-strong: rgba(255, 255, 255, 0.98);
    --field: rgba(255, 255, 255, 0.98);
  }
}

@media (prefers-color-scheme: dark) {
  @supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    :root {
      --glass: rgba(28, 30, 38, 0.94);
      --glass-strong: rgba(32, 34, 44, 0.97);
      --field: rgba(16, 18, 24, 0.94);
    }
  }
}

@media (prefers-reduced-transparency: reduce) {
  :root {
    --glass: rgba(246, 247, 250, 0.94);
    --glass-strong: rgba(255, 255, 255, 0.98);
    --field: rgba(255, 255, 255, 0.98);
  }
}

@media (prefers-color-scheme: dark) and (prefers-reduced-transparency: reduce) {
  :root {
    --glass: rgba(28, 30, 38, 0.94);
    --glass-strong: rgba(32, 34, 44, 0.97);
    --field: rgba(16, 18, 24, 0.94);
  }
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background-color: var(--bg0);
  background-image:
    radial-gradient(ellipse 90% 55% at 6% -12%, var(--wash-a), transparent 58%),
    radial-gradient(ellipse 70% 48% at 102% -6%, var(--wash-b), transparent 54%),
    radial-gradient(ellipse 55% 42% at 78% 112%, var(--wash-c), transparent 50%),
    linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 52%, var(--bg2) 100%);
  background-attachment: fixed;
}

main { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; }
main.wide { max-width: 1120px; }

h1, h2 { font-weight: 650; letter-spacing: -0.022em; }
h1 { font-size: 1.7rem; line-height: 1.15; margin: 0 0 6px; }
h2 { font-size: 1.08rem; line-height: 1.25; margin: 0 0 14px; }
.sub { color: var(--muted); margin: 0 0 22px; }

.card,
.profile,
.user {
  background-color: var(--glass);
  background-image: var(--sheen);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  backdrop-filter: blur(20px) saturate(1.6);
  border: 1px solid var(--edge);
  box-shadow: var(--shadow);
}

.card {
  border-radius: var(--radius-panel);
  padding: 22px;
}
.card + .card { margin-top: 18px; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 16px; }
.full { grid-column: 1 / -1; }

label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-bottom: 6px;
}

input[type=text],
input[type=password],
input[type=number],
input[type=file],
select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: var(--fg);
  background-color: var(--field);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 46%);
  border: 1px solid var(--field-edge);
  border-radius: var(--radius-control);
  box-shadow: inset 0 1px 0 var(--edge);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  backdrop-filter: blur(20px) saturate(1.6);
}

select option { color: var(--fg); background: var(--option-bg); }

input[type=file] { padding: 8px; }
input[type=file]::file-selector-button {
  font: inherit;
  font-weight: 600;
  margin-right: 12px;
  padding: 8px 14px;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg);
  cursor: pointer;
}
input[type=file]::file-selector-button:hover { filter: brightness(1.06); }

::placeholder { color: var(--muted); opacity: 1; }

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: var(--focus);
}

.at { position: relative; }
.at span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-weight: 600; }
.at input { padding-left: 28px; }

.check { display: flex; align-items: center; gap: 8px; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }
.check label { margin: 0; font-size: 1rem; font-weight: 500; color: var(--fg); }

.hint { font-size: .8rem; color: var(--muted); margin-top: 6px; }

.stage-wrap { margin-top: 20px; }
.stage-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.seg {
  display: inline-flex;
  max-width: 100%;
  flex-wrap: wrap;
  gap: 2px;
  padding: 3px;
  border-radius: 14px;
  background-color: var(--track);
  border: 1px solid var(--field-edge);
  box-shadow: inset 0 1px 0 var(--edge);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  backdrop-filter: blur(20px) saturate(1.6);
}
.seg button {
  font: inherit;
  font-size: .85rem;
  font-weight: 600;
  padding: 6px 12px;
  border: 0;
  border-radius: 11px;
  cursor: pointer;
  background: transparent;
  color: var(--fg);
}
.seg button:hover { background: var(--hover); }
.seg button[aria-pressed=true] {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.seg button[aria-pressed=true]:hover { filter: brightness(1.05); }

.stage {
  background: var(--stage);
  border: 1px solid var(--field-edge);
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.stage.dark {
  background: var(--stage-dark);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.stage img { width: 100%; max-height: 240px; object-fit: contain; }
.size { font-variant-numeric: tabular-nums; font-weight: 650; }

.msgs { margin-top: 12px; display: grid; gap: 8px; }
.msg { padding: 10px 12px; border-radius: var(--radius-control); font-size: .92rem; }
.msg.warn { background: var(--warn-bg); color: var(--warn-fg); }
.msg.err { background: var(--err-bg); color: var(--err-fg); }
.msg.ok { background: var(--ok-bg); color: var(--ok-fg); }

.actions { margin-top: 16px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

button.btn, a.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
  font-weight: 650;
  letter-spacing: -0.01em;
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32), 0 6px 16px var(--accent-glow);
}
button.btn:hover:not(:disabled), a.btn:hover { filter: brightness(1.06); }

button.btn:disabled, a.btn[aria-disabled=true] {
  opacity: .4;
  filter: saturate(.35);
  box-shadow: none;
  cursor: not-allowed;
  pointer-events: none;
}

button.ghost, a.ghost {
  background-color: var(--field);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 50%);
  color: var(--fg);
  border: 1px solid var(--field-edge);
  border-radius: var(--radius-control);
  box-shadow: inset 0 1px 0 var(--edge);
  padding: 8px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  backdrop-filter: blur(20px) saturate(1.6);
}
button.ghost:hover:not(:disabled), a.ghost:hover { background-color: var(--hover); }

button.danger {
  background: transparent;
  color: var(--err-fg);
  border: 1px solid var(--field-edge);
  border-radius: var(--radius-control);
  padding: 8px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button.danger:hover:not(:disabled) { background: var(--err-bg); }

button.small, a.small { padding: 6px 12px; font-size: .85rem; }
button.ghost:disabled, button.danger:disabled {
  opacity: .4;
  cursor: not-allowed;
  box-shadow: none;
  filter: saturate(.4);
}

.note { color: var(--muted); font-size: .85rem; margin-top: 20px; }
.note ul { margin: 6px 0 0; padding-left: 20px; }

nav {
  position: relative;
  z-index: 2;
  isolation: isolate;
  display: flex;
  gap: 6px 8px;
  align-items: center;
  flex-wrap: wrap;
  margin: 0 0 26px;
  padding: 8px;
  border-radius: 18px;
  border: 1px solid var(--edge);
  box-shadow: var(--shadow);
  background: transparent;
}
nav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  pointer-events: none;
  background-color: var(--glass);
  background-image: var(--sheen);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  backdrop-filter: blur(20px) saturate(1.6);
}
nav a {
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 6px 12px;
  border-radius: 999px;
}
nav a:hover { background: var(--hover); }
nav a[aria-current=page] { color: var(--accent); background: var(--accent-soft); }

.quota {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px;
  font-size: .85rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.quota progress {
  -webkit-appearance: none;
  appearance: none;
  width: 96px;
  height: 8px;
  border: 0;
  border-radius: 999px;
  overflow: hidden;
  background: var(--track);
  accent-color: var(--accent);
}
.quota progress::-webkit-progress-bar { background: var(--track); border-radius: 999px; }
.quota progress::-webkit-progress-value { background: var(--accent); border-radius: 999px; }
.quota progress::-moz-progress-bar { background: var(--accent); border-radius: 999px; }
.quota progress.full { accent-color: var(--err-fg); }
.quota progress.full::-webkit-progress-value { background: var(--err-fg); }
.quota progress.full::-moz-progress-bar { background: var(--err-fg); }

.account { position: relative; }
#nav-user {
  font: inherit;
  font-weight: 650;
  font-size: .85rem;
  letter-spacing: -0.01em;
  color: var(--fg);
  background: transparent;
  border: 0;
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 999px;
}
#nav-user:hover, #nav-user[aria-expanded=true] { color: var(--accent); background: var(--accent-soft); }

.profile {
  position: fixed;
  z-index: 20;
  width: min(320px, calc(100vw - 24px));
  border-radius: var(--radius-panel);
  padding: 16px 16px 18px;
  box-shadow: var(--shadow-pop);
}
.profile h2 { font-size: 1rem; }
.profile .grid { grid-template-columns: 1fr; gap: 12px; }
.profile .msgs { margin-top: 10px; }
.profile .actions { margin-top: 12px; }

.table-scroll { max-width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 10px 16px 10px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  white-space: nowrap;
}
th:last-child, td:last-child { padding-right: 0; }
th { color: var(--muted); font-weight: 650; font-size: .8rem; letter-spacing: -0.01em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.name { white-space: normal; overflow-wrap: anywhere; }
.row-actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: nowrap; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.empty { color: var(--muted); margin: 0; }

.user {
  display: grid;
  grid-template-columns: minmax(8rem, 1.1fr) minmax(7rem, .8fr) 9.5rem 6.5rem minmax(8rem, 1fr) auto auto auto;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
  padding: 12px;
  border-radius: 16px;
}
.user strong { word-break: break-word; }
.user .state {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 650;
  vertical-align: middle;
  color: var(--err-fg);
  background: var(--err-bg);
}
.user .used { color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; }
.user input, .user select { padding: 8px 10px; }

body.login { min-height: 100vh; display: flex; align-items: center; }
body.login main { width: 100%; max-width: 420px; }

@media (max-width: 1100px) {
  .user { grid-template-columns: 1fr 1fr; }
  .user strong, .user .used { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  main { padding: 16px 12px 40px; }
  .card { padding: 16px; }
  .grid { grid-template-columns: 1fr; }
  .quota { margin-left: 0; width: 100%; }
  .user { grid-template-columns: 1fr; }
  .user strong, .user .used { grid-column: auto; }
  .seg { width: 100%; }
  .seg button { flex: 1 1 auto; }
  .table-scroll { overflow: visible; }
  table { position: relative; min-width: 0; }
  thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  table, tbody, tr { display: block; width: 100%; }
  td {
    display: block;
    width: auto;
    border: 0;
    padding: 0;
    text-align: left;
    white-space: normal;
  }
  td.name { margin-bottom: 6px; }
  td.num, td.num + td { display: inline; padding-right: 10px; }
  .row-actions { margin-top: 10px; justify-content: flex-start; flex-wrap: wrap; }
}