* { box-sizing: border-box; }

:root {
  --bg: #f3f6fb;
  --bg-2: #e8eef9;
  --card: #ffffff;
  --text: #17202b;
  --muted: #67717f;
  --border: #dde3ec;
  --accent: #1e88e5;
  --accent-dark: #1565c0;
  --note-bg: #fff8e6;
  --note-border: #f3dfa8;
  --danger: #c0392b;
  --ok: #2e9e5b;
  --shadow: 0 8px 30px rgba(24, 52, 91, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1318;
    --bg-2: #121a24;
    --card: #171f29;
    --text: #e6ebf2;
    --muted: #97a3b3;
    --border: #2a3542;
    --accent: #4ea3f0;
    --accent-dark: #2f8be0;
    --note-bg: #2a2410;
    --note-border: #4a3f18;
    --danger: #ef6b5c;
    --ok: #5ccf8a;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  }
  body { background: #0f1318; }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-2), var(--bg) 40%) fixed;
  line-height: 1.45;
}

.page { max-width: 860px; margin: 0 auto; padding: 1rem 1rem 3rem; }

.top {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem; padding: .5rem 0 1rem;
}
.brand { font-size: 1.2rem; font-weight: 700; text-decoration: none; color: var(--text); display: flex; align-items: center; gap: .5rem; }
.logo {
  display: inline-block; background: var(--accent); color: #fff; font-size: .7rem; font-weight: 800;
  border-radius: 8px; padding: .25rem .4rem; letter-spacing: .05em;
}
.nav { display: flex; flex-wrap: wrap; gap: .9rem; font-size: .92rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--accent); }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 1rem 1.1rem; margin-bottom: 1rem; box-shadow: var(--shadow);
}
.card.auth { max-width: 380px; margin: 3rem auto 1rem; }
.card.hero { padding: 1.6rem 1.4rem; }
.card.text p, .card.text li { line-height: 1.55; }

h1 { font-size: 1.45rem; margin: 0 0 .5rem; display: flex; align-items: center; gap: .5rem; }
h2 { font-size: 1.05rem; margin: 0 0 .5rem; }
p { margin: .4rem 0; }
.lead { font-size: 1.05rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.ok { color: var(--ok); font-weight: 600; }
.bad { color: var(--danger); font-weight: 600; }
.busy { color: var(--accent); font-weight: 600; }
code { background: var(--bg-2); padding: .1rem .35rem; border-radius: 6px; font-size: .9em; }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--card);
  border: 1px solid var(--border); border-radius: 10px; padding: .55rem .7rem;
  width: 100%; max-width: 100%;
}
input[readonly] { color: var(--muted); background: var(--bg-2); }
input[type="file"] { padding: .45rem; width: auto; }
input[type="color"] { width: 3.2rem; height: 2.2rem; padding: .15rem; vertical-align: middle; }
label { display: block; font-size: .88rem; color: var(--muted); margin: .5rem 0; }
label input, label select { margin-top: .2rem; }
label.check { display: flex; align-items: center; gap: .45rem; flex-wrap: wrap; color: var(--text); }
label.check input { width: auto; margin: 0; }
fieldset { border: 1px solid var(--border); border-radius: 10px; padding: .5rem .9rem .7rem; margin: .8rem 0; }
legend { color: var(--muted); font-size: .85rem; padding: 0 .3rem; }

button, .button {
  font: inherit; font-weight: 600; cursor: pointer; display: inline-block;
  border: 0; border-radius: 10px; padding: .6rem 1.1rem; margin-top: .6rem;
  background: var(--accent); color: #fff; text-decoration: none;
}
button:hover, .button:hover { background: var(--accent-dark); }
button:disabled { opacity: .5; cursor: default; }
button.secondary, .button.secondary { background: var(--bg-2); color: var(--text); border: 1px solid var(--border); }
button.secondary:hover, .button.secondary:hover { background: var(--border); }
button.link {
  background: none; color: var(--accent); padding: 0; margin: 0;
  font-weight: 500; text-decoration: underline;
}
button.danger, .danger { background: none; color: var(--danger); padding: 0; }
button.danger:hover { background: none; text-decoration: underline; }
a { color: var(--accent); }
a.link { text-decoration: none; }
form.inline { display: inline; }

.row { display: flex; gap: .6rem; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.row > * { flex: 1 1 auto; }
.row button { flex: 0 0 auto; margin-top: .2rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 640px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
.head-row { display: flex; justify-content: space-between; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: .6rem; }
.head-row h1 { margin: 0; }

.flash {
  background: var(--note-bg); border: 1px solid var(--note-border);
  border-radius: 12px; padding: .6rem .9rem; margin-bottom: 1rem; color: #3d3104;
}
@media (prefers-color-scheme: dark) { .flash { color: #f3e3a7; } }

.features { margin: .4rem 0; padding-left: 1.2rem; }
.features li { margin: .25rem 0; }
.items { margin: .3rem 0; padding-left: 1.2rem; }

/* Список приложений */
.app-row { display: flex; gap: .9rem; align-items: center; }
.app-icon { width: 56px; height: 56px; border-radius: 14px; flex: 0 0 auto; }
.app-icon.small-icon { width: 32px; height: 32px; border-radius: 8px; }
.app-body { flex: 1 1 auto; min-width: 0; }
.app-title { font-weight: 600; display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.app-title a { color: var(--text); text-decoration: none; }
.app-actions { display: flex; flex-direction: column; align-items: flex-end; gap: .3rem; }
.app-actions .button { margin-top: 0; white-space: nowrap; }
.tag { background: var(--bg-2); border-radius: 6px; padding: 0 .35rem; font-size: .78rem; color: var(--muted); font-weight: 400; }
@media (max-width: 560px) {
  .app-row { flex-wrap: wrap; }
  .app-actions { flex-direction: row; width: 100%; justify-content: space-between; align-items: center; }
}

/* Форма иконки */
.icon-row { display: flex; gap: 1rem; align-items: flex-start; flex-wrap: wrap; }
.icon-preview {
  width: 96px; height: 96px; border-radius: 22px; background: #1e88e5; color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 2.4rem; font-weight: 800;
  overflow: hidden; flex: 0 0 auto;
}
.icon-preview img { width: 96px; height: 96px; display: block; }
.icon-modes { flex: 1 1 240px; }

/* Блок «скачать»: QR всегда на белом, иначе в тёмной теме не читается */
.app-get { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin: .6rem 0; }
.app-get > div { flex: 1 1 220px; }
.qr { flex: 0 0 auto; background: #fff; padding: 8px; border-radius: 12px; line-height: 0; }
.qr img { display: block; }
.app-teaser { display: flex; gap: 1rem; align-items: center; }

.building { display: flex; align-items: center; gap: .6rem; padding: .5rem 0; color: var(--accent); font-weight: 600; }
.spinner {
  width: 18px; height: 18px; border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 1s linear infinite; flex: 0 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

details.card summary { cursor: pointer; font-weight: 600; }
details.card[open] summary { margin-bottom: .5rem; }
table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: left; font-weight: 600; color: var(--muted); padding: .3rem .4rem; font-size: .85rem; }
table.list td { padding: .35rem .4rem; border-top: 1px solid var(--border); vertical-align: top; }
table.list form { display: inline; }
table.list button { margin: 0; padding: 0; }

.foot { margin-top: 2rem; text-align: center; }