/* Панель владельца Studium — те же цвета и карточки, что в приложении (public/app/style.css) */
:root {
  --bg: #f2f2f7;
  --card: #ffffff;
  --card-press: #ececf0;
  --text: #000000;
  --text2: rgba(60, 60, 67, 0.62);
  --text3: rgba(60, 60, 67, 0.32);
  --sep: rgba(60, 60, 67, 0.14);
  --fill: rgba(118, 118, 128, 0.12);
  --blue: #224a37;
  --green: #34c759;
  --orange: #ff9500;
  --red: #ff3b30;
  --indigo: #5856d6;
  --teal: #30b0c7;
  --purple: #af52de;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 6px 20px rgba(0, 0, 0, 0.05);
  --r: 22px;
  --r-sm: 14px;
  --side: 248px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --card-press: #2c2c2e;
    --text: #f3f0e4;
    --text2: rgba(243, 240, 228, 0.6);
    --text3: rgba(243, 240, 228, 0.3);
    --sep: rgba(84, 84, 88, 0.5);
    --fill: rgba(118, 118, 128, 0.24);
    --blue: #4a8a67;
    --green: #6fa25f;
    --orange: #d39443;
    --red: #e0614f;
    --indigo: #7b87b8;
    --teal: #5fa8a8;
    --purple: #9478a8;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea, select { font: inherit; color: inherit; }
a { color: var(--blue); text-decoration: none; }
svg.i { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.muted { color: var(--text2); }
.faint { color: var(--text3); }
.num { font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }

/* ─── Каркас: меню слева, на телефоне — снизу ─── */
.side {
  position: fixed; inset: 0 auto 0 0; width: var(--side);
  padding: 22px 14px; display: flex; flex-direction: column; gap: 2px;
  background: var(--bg); border-right: 1px solid var(--sep); z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 0 10px 20px; }
.logo {
  width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center;
  background: #224a37; color: #f3f0e4; font-weight: 700; font-size: 18px;
}
.brand b { display: block; font-size: 17px; letter-spacing: -0.2px; }
.brand span { font-size: 12px; color: var(--text2); }
.nav {
  display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-radius: 11px;
  color: var(--text); font-weight: 500; cursor: pointer; border: 0; background: none; width: 100%; text-align: left;
}
.nav:hover { background: var(--fill); }
.nav.on { background: var(--card); box-shadow: var(--shadow); color: var(--blue); }
.nav .badge { margin-left: auto; }
.side .spacer { flex: 1; }
.main { margin-left: var(--side); padding: 28px 32px 60px; max-width: calc(var(--side) + 1180px); }

@media (max-width: 860px) {
  .side {
    inset: auto 0 0 0; width: auto; height: calc(62px + env(safe-area-inset-bottom)); padding: 4px 4px env(safe-area-inset-bottom);
    flex-direction: row; gap: 0; border-right: 0; border-top: 1px solid var(--sep);
    background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    overflow-x: auto; scrollbar-width: none;
  }
  .side::-webkit-scrollbar { display: none; }
  .brand, .side .spacer { display: none; }
  .nav { flex: 1 0 64px; flex-direction: column; gap: 2px; padding: 6px 2px; font-size: 10.5px; font-weight: 500; text-align: center; color: var(--text2); }
  .nav.on { background: none; box-shadow: none; color: var(--blue); }
  .nav .badge { position: absolute; margin: -4px 0 0 18px; }
  .nav { position: relative; }
  .main { margin: 0; padding: 18px 16px calc(90px + env(safe-area-inset-bottom)); }
}

/* ─── Заголовки ─── */
.head { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.head h1 { margin: 0; font-size: 30px; letter-spacing: -0.6px; line-height: 1.15; }
.head .sub { color: var(--text2); margin-top: 4px; }
.head .tools { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.back { display: inline-flex; align-items: center; gap: 4px; color: var(--blue); cursor: pointer; margin-bottom: 10px; font-weight: 500; background: none; border: 0; padding: 0; }
h2 { font-size: 19px; margin: 30px 0 12px; letter-spacing: -0.3px; }
h2 .muted { font-weight: 400; font-size: 15px; }

/* ─── Карточки и плитки ─── */
.card { background: var(--card); border-radius: var(--r); box-shadow: var(--shadow); padding: 18px 20px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)); }
.tile { display: flex; flex-direction: column; gap: 4px; min-height: 126px; }
.tile .label { display: flex; align-items: center; gap: 8px; color: var(--text2); font-weight: 500; font-size: 14px; }
.tile .ic { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; color: #fff; }
.tile .ic svg { width: 17px; height: 17px; }
.tile .val { font-size: 30px; font-weight: 700; letter-spacing: -0.8px; margin-top: auto; }
.tile .hint { color: var(--text2); font-size: 13px; }
.up { color: var(--green); }
.down { color: var(--red); }

.bg-blue { background: var(--blue); } .bg-green { background: var(--green); } .bg-orange { background: var(--orange); }
.bg-red { background: var(--red); } .bg-indigo { background: var(--indigo); } .bg-teal { background: var(--teal); } .bg-purple { background: var(--purple); }

/* ─── Метки ─── */
.badge {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 99px; font-size: 12.5px; font-weight: 600; white-space: nowrap;
  background: var(--fill); color: var(--text2);
}
.badge.green { background: color-mix(in srgb, var(--green) 16%, transparent); color: var(--green); }
.badge.blue { background: color-mix(in srgb, var(--blue) 14%, transparent); color: var(--blue); }
.badge.orange { background: color-mix(in srgb, var(--orange) 16%, transparent); color: var(--orange); }
.badge.red { background: color-mix(in srgb, var(--red) 14%, transparent); color: var(--red); }
.badge.purple { background: color-mix(in srgb, var(--purple) 14%, transparent); color: var(--purple); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }

/* ─── Кнопки ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 0; cursor: pointer; white-space: nowrap;
  padding: 9px 15px; border-radius: 12px; font-weight: 600; background: var(--fill); color: var(--text); transition: transform .1s, opacity .15s;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.primary { background: var(--blue); color: #fff; }
.btn.danger { background: color-mix(in srgb, var(--red) 13%, transparent); color: var(--red); }
.btn.danger.solid { background: var(--red); color: #fff; }
.btn.ghost { background: none; color: var(--blue); padding: 9px 8px; }
.btn.big { padding: 14px 22px; font-size: 16px; border-radius: 14px; }
.btn svg { width: 17px; height: 17px; }

/* ─── Поля ─── */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--text2); font-weight: 500; }
.input, textarea.input, select.input {
  width: 100%; border: 1px solid var(--sep); background: var(--bg); border-radius: 12px; padding: 10px 12px; outline: none;
}
.input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 18%, transparent); }
textarea.input { min-height: 110px; resize: vertical; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > .field { flex: 1 1 180px; }
.seg { display: inline-flex; background: var(--fill); border-radius: 11px; padding: 2px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: none; padding: 7px 14px; border-radius: 9px; font-weight: 500; cursor: pointer; }
.seg button.on { background: var(--card); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); font-weight: 600; }
.search { position: relative; flex: 1 1 260px; max-width: 420px; }
.search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text3); width: 18px; height: 18px; }
.search .input { padding-left: 38px; background: var(--card); }
.check { display: flex; align-items: center; gap: 10px; padding: 9px 0; cursor: pointer; border-bottom: 1px solid var(--sep); }
.check:last-child { border-bottom: 0; }
.check input { width: 18px; height: 18px; accent-color: var(--blue); }

/* ─── Списки и таблицы ─── */
.list { padding: 4px 0; }
.item {
  display: flex; align-items: center; gap: 14px; padding: 13px 20px; cursor: pointer; border-bottom: 1px solid var(--sep);
}
.item:last-child { border-bottom: 0; }
.item:hover { background: var(--card-press); }
.list.card { padding: 0; overflow: hidden; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; flex: none;
  color: #fff; font-weight: 600; font-size: 15px;
}
.item .main-col { flex: 1; min-width: 0; }
.item .title { font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.item .meta { color: var(--text2); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item .stats { display: flex; gap: 22px; text-align: right; }
.item .stats b { display: block; font-size: 16px; }
.item .stats span { font-size: 12px; color: var(--text2); }
@media (max-width: 700px) { .item .stats { display: none; } .item { padding: 12px 16px; } }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12.5px; font-weight: 600; color: var(--text2); padding: 10px 12px; border-bottom: 1px solid var(--sep); white-space: nowrap; }
td { padding: 11px 12px; border-bottom: 1px solid var(--sep); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--card-press); }
td.r, th.r { text-align: right; white-space: nowrap; }
.card.flush { padding: 6px 8px; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; }
.kv dt { color: var(--text2); }
.kv dd { margin: 0; }

/* ─── Графики ─── */
.chart { width: 100%; height: 180px; display: block; }
.chart text { fill: var(--text2); font-size: 11px; }
.chart .val { fill: var(--text); font-size: 11px; font-weight: 600; }
.chart-title { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.chart-title b { font-size: 16px; }

.bar { height: 8px; border-radius: 99px; background: var(--fill); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 99px; background: var(--blue); }

/* ─── Журнал ─── */
.feed .ev { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--sep); }
.feed .ev:last-child { border-bottom: 0; }
.feed .ev .ic { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; color: #fff; flex: none; }
.feed .ev .ic svg { width: 15px; height: 15px; }
.feed .ev time { color: var(--text2); font-size: 12.5px; white-space: nowrap; margin-left: auto; padding-left: 10px; }
.day { font-size: 13px; font-weight: 600; color: var(--text2); margin: 18px 0 4px; text-transform: uppercase; letter-spacing: .3px; }
pre.log { margin: 0; font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; word-break: break-word; max-height: 300px; overflow: auto; color: var(--text2); }
details summary { cursor: pointer; font-weight: 600; padding: 4px 0; }

/* ─── Пусто, загрузка ─── */
.empty { text-align: center; color: var(--text2); padding: 34px 16px; }
.empty svg { width: 34px; height: 34px; color: var(--text3); margin-bottom: 8px; }
.skeleton { border-radius: var(--r); background: linear-gradient(90deg, var(--card) 0%, var(--card-press) 50%, var(--card) 100%); background-size: 200% 100%; animation: sk 1.2s infinite; height: 126px; }
@keyframes sk { to { background-position: -200% 0; } }

/* ─── Окна и уведомления ─── */
.modal-bg { position: fixed; inset: 0; background: rgba(0, 0, 0, .35); display: grid; place-items: center; z-index: 50; padding: 16px; animation: fade .15s; }
.modal { background: var(--card); border-radius: var(--r); padding: 24px; width: min(440px, 100%); box-shadow: 0 20px 60px rgba(0, 0, 0, .25); animation: pop .18s; }
.modal h3 { margin: 0 0 8px; font-size: 20px; }
.modal p { margin: 0 0 18px; color: var(--text2); }
.modal .actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { transform: scale(.94); opacity: 0; } }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 60; background: var(--text); color: var(--bg);
  padding: 11px 18px; border-radius: 14px; font-weight: 500; box-shadow: 0 10px 30px rgba(0, 0, 0, .25); animation: pop .18s; max-width: calc(100% - 32px);
}
@media (max-width: 860px) { .toast { bottom: calc(80px + env(safe-area-inset-bottom)); } }

/* ─── Вход ─── */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: min(400px, 100%); text-align: center; padding: 34px 28px; }
.login .logo { width: 64px; height: 64px; border-radius: 18px; font-size: 30px; margin: 0 auto 16px; }
.login h1 { margin: 0 0 6px; font-size: 24px; }
.login p { color: var(--text2); margin: 0 0 22px; }
.code { font-size: 42px; font-weight: 700; letter-spacing: 10px; margin: 6px 0 14px; font-variant-numeric: tabular-nums; }
.spin { width: 22px; height: 22px; border: 2.5px solid var(--fill); border-top-color: var(--blue); border-radius: 50%; animation: rot .8s linear infinite; margin: 0 auto; }
@keyframes rot { to { transform: rotate(360deg); } }

.notice { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: var(--r-sm); background: color-mix(in srgb, var(--orange) 13%, transparent); margin-bottom: 16px; }
.notice.red { background: color-mix(in srgb, var(--red) 11%, transparent); }
.notice.blue { background: color-mix(in srgb, var(--blue) 10%, transparent); }
.notice svg { margin-top: 1px; }

/* На телефоне плитки по две в ряд */
@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .grid.two { grid-template-columns: 1fr; }
  .tile { min-height: 108px; padding: 14px; }
  .tile .val { font-size: 23px; }
  .tile .label { font-size: 13px; }
  .head h1 { font-size: 26px; }
}

/* ─── Аналитика (вариант A «Пульс») ─── */
.kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpi { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px; }
.kpi .label { font-size: 13px; color: var(--text2); font-weight: 500; }
.kv-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.kv-row b { font-size: 30px; letter-spacing: -0.8px; }
.kv-row span { font-size: 13px; font-weight: 600; }
.spark { width: 100%; height: 30px; display: block; }
.attn-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 10px; }
.attn { display: flex; gap: 12px; align-items: center; padding: 14px; border-radius: 14px; cursor: pointer; }
.attn.green { background: color-mix(in srgb, var(--green) 11%, transparent); }
.attn.orange { background: color-mix(in srgb, var(--orange) 13%, transparent); }
.attn.gray { background: var(--fill); }
.attn:hover { filter: brightness(1.15); }
.big { font-size: 26px; font-weight: 700; letter-spacing: -0.5px; }
.small { font-size: 12.5px; }
.warn { color: var(--orange); }
.flow { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; align-items: end; height: 118px; }
.flow > div { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.flow .bars { display: flex; gap: 3px; align-items: flex-end; height: 92px; }
.flow .bars i { width: 12px; border-radius: 4px; display: block; }
.flow span { font-size: 11px; color: var(--text2); }
.heat { display: grid; grid-template-columns: repeat(15, minmax(0, 1fr)); gap: 5px; margin-top: 8px; }
.heat span, .heat-legend span { aspect-ratio: 1; border-radius: 6px; display: block; }
.h0 { background: var(--fill); } .h1 { background: color-mix(in srgb, var(--blue) 35%, transparent); }
.h2 { background: color-mix(in srgb, var(--blue) 65%, transparent); } .h3 { background: var(--blue); }
.heat-legend { display: flex; gap: 6px; align-items: center; margin-top: 12px; font-size: 12px; color: var(--text2); }
.heat-legend span { width: 12px; height: 12px; border-radius: 3px; aspect-ratio: auto; }
.feat { display: grid; grid-template-columns: minmax(120px, 220px) minmax(0, 1fr) 64px; gap: 14px; align-items: center; padding: 7px 0; }
.feat .bar { display: flex; height: 10px; }
.feat .bar i { border-radius: 0; }
.feat .r { text-align: right; font-size: 13px; }

/* ─── Учителя (вариант A «Карточки») ─── */
.pills { display: flex; gap: 8px; flex-wrap: wrap; }
.pills button { border: 0; border-radius: 99px; padding: 9px 14px; font-weight: 600; background: var(--card); color: var(--text); cursor: pointer; box-shadow: var(--shadow); }
.pills button.on { background: var(--text); color: var(--bg); }
.tcards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.tcard { cursor: pointer; transition: transform .15s, box-shadow .15s; position: relative; background: var(--card); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; }
.tcard-band { height: 6px; }
.tcard-band.green { background: var(--green); } .tcard-band.orange { background: var(--orange); }
.tcard-band.red { background: var(--red); } .tcard-band.gray { background: var(--text3); }
.tcard-head { padding: 18px 18px 0; display: flex; gap: 14px; align-items: center; }
.tcard-name { font-weight: 700; font-size: 18px; letter-spacing: -0.2px; }
.tcard-badges { padding: 12px 18px 0; display: flex; gap: 6px; flex-wrap: wrap; }
.tcard-stats { padding: 16px 18px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.tcard-stats b { display: block; font-size: 21px; letter-spacing: -0.4px; white-space: nowrap; }
.tcard-stats span { font-size: 12px; color: var(--text2); }
.tcard-act { padding: 0 18px 16px; }
.days { display: grid; grid-template-columns: repeat(14, minmax(0, 1fr)); gap: 3px; margin-top: 6px; }
.days span { height: 18px; border-radius: 4px; background: var(--fill); }
.days span.on { background: var(--green); }
.tcard-foot { margin-top: auto; border-top: 1px solid var(--sep); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.tcard-foot button { border: 0; background: none; padding: 14px; font-weight: 600; color: var(--blue); cursor: pointer; }
.tcard-foot button + button { border-left: 1px solid var(--sep); color: var(--text); }
.tcard-foot button:hover:not(:disabled) { background: var(--card-press); }
.tcard-foot button:disabled { color: var(--text3); cursor: default; }
.tcard-empty { border: 2px dashed var(--sep); border-radius: 24px; padding: 22px; display: flex; flex-direction: column; justify-content: center; gap: 8px; color: var(--text2); min-height: 240px; }
.tcard-empty b { color: var(--text); font-size: 17px; }
@media (max-width: 860px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kv-row b { font-size: 24px; }
  .feat { grid-template-columns: minmax(0, 1fr) 54px; }
  .feat .bar { grid-column: 1 / -1; grid-row: 2; }
}

/* Единый бот: дни подписки на карточке, заявки, чеки, реквизиты */
.tcard-days { position: absolute; top: 16px; right: 16px; padding: 4px 10px; border-radius: 99px; font-size: 13px; font-weight: 700; font-variant-numeric: tabular-nums; background: var(--fill); color: var(--text2); }
.tcard-days.inline { position: static; }
.tcard-days.green { background: color-mix(in srgb, var(--green) 16%, transparent); color: var(--green); }
.tcard-days.orange { background: color-mix(in srgb, var(--orange) 18%, transparent); color: var(--orange); }
.tcard-days.red { background: color-mix(in srgb, var(--red) 14%, transparent); color: var(--red); }
.tcard-days.blue { background: color-mix(in srgb, var(--blue) 14%, transparent); color: var(--blue); font-size: 15px; }
.hub-req { margin-bottom: 16px; border: 1.5px solid color-mix(in srgb, var(--orange) 40%, transparent); }
.req-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--sep); }
.req-row .main-col { flex: 1; min-width: 0; }
.req-row .title { font-weight: 600; }
.req-row .meta { color: var(--text2); font-size: 13px; }
.req-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.req-thumb { width: 56px; height: 56px; border-radius: 12px; overflow: hidden; background: var(--fill); display: flex; flex-direction: column; align-items: center; justify-content: center; flex: none; font-size: 10px; color: var(--text2); text-decoration: none; }
.req-thumb img { width: 100%; height: 100%; object-fit: cover; }
.req-thumb span { max-width: 52px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.req-mini { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-top: 1px solid var(--sep); font-size: 14px; }
.req-list { display: grid; gap: 14px; }
.req-default { display: inline-flex; gap: 6px; align-items: center; font-size: 14px; cursor: pointer; }
@media (max-width: 700px) { .req-row { flex-wrap: wrap; } .req-actions { width: 100%; justify-content: stretch; } .req-actions .btn { flex: 1; } }
.tcard:hover { transform: translateY(-2px); box-shadow: 0 2px 4px rgba(0,0,0,.06), 0 12px 32px rgba(0,0,0,.1); }
.tcard:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }