/* LektorCRM — «журнал учителя, сделанный инженером».
   Иерархия через масштаб и плотность, цвет = смысл (оплачено / долг / пробный / коворкинг). */

:root {
  --bg: #f3f4f1;
  --surface: #ffffff;
  --surface-2: #eceee9;
  --ink: #15181a;
  --ink-2: #4a5156;
  --ink-3: #80878c;
  --line: #d9dcd6;
  --line-strong: #b9bdb6;
  --accent: #0e6b57;
  --accent-ink: #ffffff;
  --accent-soft: #dcefe9;

  --ok: #1f7a44;      --ok-soft: #e1f2e7;
  --debt: #b42318;    --debt-soft: #fbe6e3;
  --trial: #9a5b00;   --trial-soft: #fbefd9;
  --cowork: #1f5fa8;  --cowork-soft: #e2ecf8;
  --muted-soft: #eceee9;

  --font: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --r-table: 2px;
  --r-card: 4px;
  --r-ctrl: 6px;
  --shadow-pop: 0 12px 32px rgb(20 24 26 / 0.18), 0 2px 6px rgb(20 24 26 / 0.08);
  --dur: 140ms;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --row: 36px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111416; --surface: #181c1f; --surface-2: #20262a;
    --ink: #e8ebe6; --ink-2: #aab2b6; --ink-3: #788086;
    --line: #2b3236; --line-strong: #3b4448;
    --accent: #3fb894; --accent-ink: #0b1310; --accent-soft: #163a30;
    --ok: #57c27f; --ok-soft: #173323; --debt: #f0786b; --debt-soft: #3d1c19;
    --trial: #e2a64a; --trial-soft: #3a2a12; --cowork: #74a7e6; --cowork-soft: #18283c;
    --muted-soft: #20262a;
  }
}
:root[data-theme="dark"] {
  --bg: #111416; --surface: #181c1f; --surface-2: #20262a;
  --ink: #e8ebe6; --ink-2: #aab2b6; --ink-3: #788086;
  --line: #2b3236; --line-strong: #3b4448;
  --accent: #3fb894; --accent-ink: #0b1310; --accent-soft: #163a30;
  --ok: #57c27f; --ok-soft: #173323; --debt: #f0786b; --debt-soft: #3d1c19;
  --trial: #e2a64a; --trial-soft: #3a2a12; --cowork: #74a7e6; --cowork-soft: #18283c;
  --muted-soft: #20262a;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 14px/1.45 var(--font); font-feature-settings: "tnum" 1;
}
a { color: inherit; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 26px; line-height: 1.15; }
h2 { font-size: 15px; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); font-weight: 500; }
.num, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- Каркас --- */
.app { display: grid; grid-template-columns: 208px 1fr; min-height: 100vh; }
.side {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  border-right: 1px solid var(--line); padding: 16px 10px; background: var(--surface);
  display: flex; flex-direction: column; gap: 18px;
}
.brand { display: flex; align-items: baseline; gap: 6px; padding: 0 8px; font-weight: 600; font-size: 16px; }
.brand b { font-family: var(--mono); font-weight: 500; color: var(--accent); }
.nav-group { display: flex; flex-direction: column; gap: 1px; }
.nav-group h3 { padding: 0 8px 4px; font-size: 11px; }
.nav-group a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 8px; border-radius: var(--r-ctrl); text-decoration: none; color: var(--ink-2);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-group a:hover { background: var(--surface-2); color: var(--ink); }
.nav-group a[aria-current="page"] { background: var(--accent-soft); color: var(--ink); font-weight: 500; }
.side-foot { margin-top: auto; padding: 0 8px; font-size: 12px; color: var(--ink-3); display: grid; gap: 8px; }
.side-foot .who { color: var(--ink-2); }
.side-foot .btn { justify-content: flex-start; padding-left: 0; width: 100%; }

.main { min-width: 0; }
.top {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px;
  padding: 10px 28px; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(6px); border-bottom: 1px solid var(--line);
}
.search-trigger {
  flex: 0 1 360px; display: flex; align-items: center; justify-content: space-between;
  padding: 6px 10px; border: 1px solid var(--line); border-radius: var(--r-ctrl);
  background: var(--surface); color: var(--ink-3); cursor: pointer; font: inherit;
}
.search-trigger:hover { border-color: var(--line-strong); color: var(--ink-2); }
kbd { font-family: var(--mono); font-size: 11px; padding: 1px 5px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; color: var(--ink-3); }
.page { padding: 24px 28px 64px; max-width: 1400px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head p { margin: 4px 0 0; color: var(--ink-3); }

/* --- Поверхности --- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card); padding: 16px; }
.card > h2 { margin-bottom: 12px; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.card > h2 small { font-weight: 400; color: var(--ink-3); font-size: 12px; }
.grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
.stack { display: grid; gap: 16px; align-content: start; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 16px; align-items: start; }

/* KPI: крупная цифра — главный акцент экрана, подпись мелко. */
.kpis { display: grid; grid-template-columns: 2fr repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); margin-bottom: 16px; }
.kpi { padding: 16px 18px; border-left: 1px solid var(--line); }
.kpi:first-child { border-left: 0; }
.kpi .label { font-size: 12px; color: var(--ink-3); }
.kpi .value { font: 500 28px/1.1 var(--mono); margin-top: 6px; letter-spacing: -0.02em; }
.kpi:first-child .value { font-size: 44px; }
.kpi .sub { font-size: 12px; color: var(--ink-2); margin-top: 6px; }

/* --- Таблицы: плотные, почти прямые углы --- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-table); background: var(--surface); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0 12px; height: var(--row); border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-weight: 500; font-size: 12px; color: var(--ink-3); background: var(--surface-2); position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
tbody tr { transition: background var(--dur) var(--ease); }
tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 45%, transparent); }
td.r, th.r { text-align: right; }
td.wrap { white-space: normal; padding-block: 8px; }
.row-link { text-decoration: none; font-weight: 500; }
.row-link:hover { text-decoration: underline; }
.empty { padding: 28px 16px; color: var(--ink-3); text-align: center; }
.empty strong { display: block; color: var(--ink-2); margin-bottom: 4px; font-weight: 500; }

/* --- Статусы: цвет несёт смысл --- */
.tag { display: inline-flex; align-items: center; gap: 4px; height: 20px; padding: 0 7px; border-radius: 3px; font-size: 12px; font-weight: 500; background: var(--muted-soft); color: var(--ink-2); }
.tag.ok { background: var(--ok-soft); color: var(--ok); }
.tag.debt { background: var(--debt-soft); color: var(--debt); }
.tag.trial { background: var(--trial-soft); color: var(--trial); }
.tag.cowork { background: var(--cowork-soft); color: var(--cowork); }
.amount-debt { color: var(--debt); }
.amount-ok { color: var(--ok); }
.muted { color: var(--ink-3); }
.small { font-size: 12px; }

/* --- Формы и кнопки --- */
/* hidden должен побеждать display у .form, .card и т. п. (блоки, которые раскрывает JS) */
[hidden] { display: none !important; }
.form { display: grid; gap: 10px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
label { display: grid; gap: 4px; font-size: 12px; color: var(--ink-2); }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--surface); width: 100%;
  border: 1px solid var(--line-strong); border-radius: var(--r-ctrl); padding: 6px 9px; min-height: 32px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
input:hover, select:hover, textarea:hover { border-color: var(--ink-3); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { min-height: 72px; resize: vertical; }
input[type="checkbox"] { width: auto; min-height: 0; }
.check { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 32px; padding: 0 12px;
  border-radius: var(--r-ctrl); border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
  font: 500 13px var(--font); cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform 80ms var(--ease);
}
.btn:hover { background: var(--surface-2); border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: color-mix(in srgb, var(--accent) 88%, black); }
.btn.danger { color: var(--debt); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.sm { height: 26px; padding: 0 8px; font-size: 12px; }
.btn[disabled], .btn[aria-busy="true"] { opacity: 0.6; pointer-events: none; }
.inline { display: inline; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
details.drawer > summary { list-style: none; cursor: pointer; }
details.drawer > summary::-webkit-details-marker { display: none; }
details.drawer[open] > summary { margin-bottom: 12px; }

.flash { margin: 0 0 16px; padding: 10px 14px; border-radius: var(--r-card); border: 1px solid; font-weight: 500; animation: rise 220ms var(--ease); }
.flash.ok { background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 35%, transparent); color: var(--ok); }
.flash.error { background: var(--debt-soft); border-color: color-mix(in srgb, var(--debt) 35%, transparent); color: var(--debt); }
@keyframes rise { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* --- Воронка (канбан) --- */
.board { display: grid; grid-template-columns: repeat(6, minmax(200px, 1fr)); gap: 10px; overflow-x: auto; padding-bottom: 8px; }
.col { background: var(--surface-2); border-radius: var(--r-card); padding: 8px; min-height: 280px; transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.col.over { box-shadow: inset 0 0 0 2px var(--accent); background: var(--accent-soft); }
.col-head { display: flex; justify-content: space-between; padding: 2px 4px 8px; font-weight: 500; font-size: 13px; }
.col-head .num { color: var(--ink-3); }
.lead { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-card); padding: 8px 10px; margin-bottom: 6px; cursor: grab; display: grid; gap: 2px; }
.lead:active { cursor: grabbing; }
.lead.dragging { opacity: 0.4; }
.lead.stale { border-color: var(--debt); }
.lead .meta { font-size: 12px; color: var(--ink-3); display: flex; justify-content: space-between; gap: 6px; }
.lead:target { box-shadow: 0 0 0 2px var(--accent); }

/* --- Расписание --- */
/* Недельная сетка по времени (schedule/week.php). Позиции — в минутах через CSS-переменные:
   --top от начала сетки, --len длительность; --lane/--lanes — параллельные занятия рядом. */
.tgrid-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface); }
.tgrid { --hour-h: 64px; display: grid; grid-template-columns: 52px repeat(7, minmax(128px, 1fr)); min-width: 948px; }
.tgrid-corner, .tgrid-head { position: sticky; top: 0; z-index: 2; background: var(--surface); border-bottom: 1px solid var(--line); }
.tgrid-head { padding: 8px 10px; display: flex; justify-content: space-between; font-size: 13px; border-left: 1px solid var(--line); }
.tgrid-head.today { background: var(--accent-soft); font-weight: 600; }
.tgrid-axis, .tgrid-day { position: relative; height: calc(var(--hours) * var(--hour-h)); }
.tgrid-axis span { position: absolute; top: calc(var(--at) * var(--hour-h)); right: 8px; transform: translateY(-50%); font: 500 11px var(--mono); color: var(--ink-3); }
.tgrid-axis span:first-child { transform: none; top: 2px; }
.tgrid-day {
  border-left: 1px solid var(--line);
  background-image:
    repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px var(--hour-h)),
    repeating-linear-gradient(to bottom, transparent 0 calc(var(--hour-h) / 2), var(--muted-soft) calc(var(--hour-h) / 2) calc(var(--hour-h) / 2 + 1px), transparent calc(var(--hour-h) / 2 + 1px) var(--hour-h));
}
.tgrid-day.today { background-color: color-mix(in srgb, var(--accent-soft) 35%, transparent); }
.tslot {
  position: absolute; box-sizing: border-box; overflow: hidden;
  top: calc(var(--top) * var(--hour-h) / 60 + 1px);
  height: calc(var(--len) * var(--hour-h) / 60 - 2px);
  left: calc(var(--lane) * 100% / var(--lanes) + 2px);
  width: calc(100% / var(--lanes) - 4px);
  display: flex; flex-direction: column; gap: 1px;
  padding: 4px 6px; border-radius: var(--r-ctrl); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  background: var(--surface); text-decoration: none; font-size: 12px; line-height: 1.25;
}
.tslot:hover, .tslot:focus-visible { border-color: var(--accent); z-index: 1; box-shadow: var(--shadow-pop); }
.tslot .time { font: 600 11px var(--mono); color: var(--ink); }
.tslot-title { font-weight: 500; }
.tslot.short .small { display: none; }
.tslot.individual { background: var(--trial-soft); border-left-color: var(--trial); }
.tslot.done { background: var(--surface-2); border-left-color: var(--line-strong); }
.tslot.cancelled { text-decoration: line-through; color: var(--ink-3); border-left-color: var(--line); }
.tgrid-now { position: absolute; left: 0; right: 0; top: calc(var(--top) * var(--hour-h) / 60); border-top: 2px solid var(--debt); z-index: 1; pointer-events: none; }
.tgrid-now::before { content: ""; position: absolute; left: -4px; top: -5px; width: 8px; height: 8px; border-radius: 50%; background: var(--debt); }
.cap { font: 12px var(--mono); color: var(--ink-3); }
.cap.full { color: var(--debt); }

/* Отметка посещаемости в один тап */
.roster { display: grid; gap: 4px; }
.roster-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 4px 0; border-bottom: 1px solid var(--line); }
.roster-row:last-child { border-bottom: 0; }
.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: var(--r-ctrl); overflow: hidden; }
.seg button { font: 500 12px var(--font); border: 0; background: var(--surface); color: var(--ink-2); padding: 0 10px; height: 30px; cursor: pointer; border-left: 1px solid var(--line); }
.seg button:first-child { border-left: 0; }
.seg button[aria-pressed="true"][data-v="present"] { background: var(--ok-soft); color: var(--ok); }
.seg button[aria-pressed="true"][data-v="late"] { background: var(--trial-soft); color: var(--trial); }
.seg button[aria-pressed="true"][data-v="absent"] { background: var(--debt-soft); color: var(--debt); }

/* --- Карточка цены (как на лендинге) --- */
.price-card { border: 1px solid var(--line); border-radius: var(--r-card); padding: 14px 16px; background: var(--surface); display: grid; gap: 2px; }
.price-card .title { font-size: 12px; color: var(--ink-3); }
.price-card .now { font: 500 30px/1.1 var(--mono); letter-spacing: -0.02em; }
.price-card .until { font-size: 13px; color: var(--accent); font-weight: 500; }
.price-card .next { margin-top: 8px; font: 15px var(--mono); color: var(--ink-3); }
.price-card .next s { text-decoration-thickness: 1.5px; }
.price-card .from { font-size: 12px; color: var(--ink-3); }
.timeline { display: grid; gap: 0; margin: 8px 0; }
.timeline-row { display: grid; grid-template-columns: 160px 1fr auto; gap: 10px; align-items: center; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.timeline-row.current { font-weight: 600; }
.timeline-row.future .mono { color: var(--accent); }

/* Полоса заполненности */
.fill { height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; min-width: 80px; }
.fill > i { display: block; height: 100%; background: var(--accent); }
.fill.full > i { background: var(--debt); }

/* --- Ctrl+K --- */
.palette[hidden] { display: none; }
.palette { position: fixed; inset: 0; z-index: 50; background: rgb(10 12 14 / 0.35); display: grid; place-items: start center; padding-top: 12vh; animation: fade 120ms var(--ease); }
.palette-box { width: min(560px, calc(100vw - 32px)); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow-pop); overflow: hidden; }
.palette input { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 14px 16px; font-size: 16px; box-shadow: none; }
.palette ul { list-style: none; margin: 0; padding: 6px; max-height: 50vh; overflow-y: auto; }
.palette li a { display: flex; gap: 10px; align-items: baseline; padding: 8px 10px; border-radius: var(--r-ctrl); text-decoration: none; }
.palette li a[aria-selected="true"] { background: var(--accent-soft); }
.palette li .kind { font-size: 11px; color: var(--ink-3); width: 64px; flex: none; }
.palette .hint { padding: 10px 16px; font-size: 12px; color: var(--ink-3); }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* --- Вход --- */
.login { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; }
.login-art { background: var(--ink); color: var(--bg); padding: 48px; display: flex; flex-direction: column; justify-content: space-between; }
.login-art .big { font: 500 56px/1 var(--mono); letter-spacing: -0.03em; }
.login-art .big span { color: #3fb894; }
.login-art p { max-width: 380px; color: #aab2b6; }
.login-form { display: grid; place-items: center; padding: 32px; }
.login-form form { width: min(340px, 100%); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0ms !important; transition-duration: 0ms !important; }
}

@media (max-width: 1100px) {
  .split { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .kpi:nth-child(3) { border-left: 0; }
  .kpi { border-top: 1px solid var(--line); }
  .kpi:nth-child(-n+2) { border-top: 0; }
}
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; gap: 8px; padding: 10px 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .nav-group { flex-direction: row; flex-wrap: wrap; }
  .nav-group h3, .side-foot { display: none; }
  .top { padding: 8px 16px; }
  .page { padding: 16px 16px 48px; }
  .cols-2, .cols-3 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .login { grid-template-columns: 1fr; }
  .login-art { display: none; }
  h1 { font-size: 22px; }
  .kpi:first-child .value { font-size: 32px; }
}

/* Платформа: разовые пароли и полоска активности за 14 дней (partials/platform-card.php) */
.credentials { background: var(--trial-soft); border-radius: var(--r-card); padding: 10px 12px; margin-bottom: 12px; }
.credentials .facts { margin: 8px 0; }
.activity-bars { display: grid; grid-template-columns: repeat(14, 1fr); gap: 3px; align-items: end; height: 44px; margin-top: 10px; }
.activity-bars__day { display: block; height: max(var(--h), 2px); background: var(--line); border-radius: 1px; }
.activity-bars__day.is-active { background: var(--accent); min-height: 4px; }

/* Блок, раскрываемый галочкой (неплановый платёж) */
fieldset.form { margin: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-card); background: var(--surface-2); }