@import url("/assets/fonts/fonts.css");

/* ===========================================================================
   Журнал — personal assistant UI
   Warm dark "workshop logbook": ink-brown neutrals tinted toward ember,
   bone text, one ember accent. Structure is a ledger of hairline rules,
   not a grid of cards.
   =========================================================================== */

:root {
  /* surfaces — neutrals tinted toward the accent hue (55°) */
  --bg:        oklch(0.164 0.010 55);
  --bg-raised: oklch(0.205 0.012 55);
  --bg-sunk:   oklch(0.140 0.010 55);
  --rule:      oklch(0.285 0.013 55);
  --rule-soft: oklch(0.235 0.011 55);

  /* ink */
  --ink:       oklch(0.930 0.012 75);
  --ink-2:     oklch(0.735 0.014 70);
  --ink-3:     oklch(0.575 0.014 70);
  --ink-4:     oklch(0.455 0.013 70);

  /* accent — ember (filament, hot end, solder) */
  --ember:     oklch(0.650 0.150 55);
  --ember-ink: oklch(0.790 0.130 60);
  --ember-dim: oklch(0.380 0.070 55);

  /* reserved status colours — never used for series identity */
  --ok:        oklch(0.690 0.130 152);
  --warn:      oklch(0.740 0.130 85);
  --late:      oklch(0.660 0.170 25);

  /* area identity — fixed order, validated for dark surfaces (CVD-checked) */
  --area-1: #D3721E;  --area-2: #009E77;  --area-3: #B18E00;
  --area-4: #537BD9;  --area-5: #DE667A;  --area-6: #517E22;

  --serif: "Literata", Georgia, serif;
  --sans:  "Golos Text", "Segoe UI", sans-serif;

  --step--1: clamp(0.75rem, 0.73rem + 0.1vw, 0.8rem);
  --step-0:  clamp(0.9rem, 0.87rem + 0.15vw, 0.97rem);
  --step-1:  clamp(1.05rem, 1rem + 0.25vw, 1.2rem);
  --step-2:  clamp(1.35rem, 1.2rem + 0.7vw, 1.8rem);
  --step-3:  clamp(1.9rem, 1.6rem + 1.5vw, 3rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --rail: 15.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 var(--step-0)/1.55 var(--sans);
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--ember-ink); outline-offset: 2px; border-radius: 2px; }
.num { font-family: var(--serif); font-variant-numeric: tabular-nums; }

/* ---------- shell ------------------------------------------------------- */
.app { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); min-height: 100vh; }

.rail {
  border-right: 1px solid var(--rule-soft); background: var(--bg-sunk);
  padding: 1.6rem 0 2rem; position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 1.7rem;
}
.brand { padding: 0 1.4rem; display: flex; align-items: baseline; gap: 0.55rem; text-decoration: none; }
.brand b { font: 600 1.25rem/1 var(--serif); letter-spacing: 0.01em; }
.brand span { font-size: var(--step--1); color: var(--ink-4); letter-spacing: 0.14em; text-transform: uppercase; }

.label {
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-4); font-weight: 600;
}
.rail .label { padding: 0 1.4rem; margin-bottom: 0.55rem; }

.nav { display: flex; flex-direction: column; }
.nav a {
  display: flex; justify-content: space-between; align-items: center; gap: 0.5rem;
  padding: 0.42rem 1.4rem; text-decoration: none; color: var(--ink-2);
  border-left: 2px solid transparent; transition: color 0.15s, border-color 0.15s;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current] { color: var(--ink); border-left-color: var(--ember); }
.nav a .count { font-family: var(--serif); font-variant-numeric: tabular-nums; color: var(--ink-4); font-size: var(--step--1); }
.nav a[aria-current] .count { color: var(--ink-3); }
.nav .dot { width: 0.5rem; height: 0.5rem; flex: none; border-radius: 1px; background: var(--c, var(--ink-4)); }
.nav .area-name { display: flex; align-items: center; gap: 0.6rem; min-width: 0; }
.nav .area-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.rail-foot { margin-top: auto; padding: 0 1.4rem; font-size: var(--step--1); color: var(--ink-4); display: flex; gap: 0.8rem; }
.rail-foot button { background: none; border: 0; padding: 0; color: inherit; cursor: pointer; }
.rail-foot button:hover { color: var(--ink-2); }

main { padding: 2.6rem clamp(1.1rem, 4vw, 3.4rem) 6rem; max-width: 62rem; }

/* ---------- page head --------------------------------------------------- */
.head { margin-bottom: 2.2rem; }
.head h1 { font-size: var(--step-3); letter-spacing: -0.015em; }
.head .sub { color: var(--ink-3); margin-top: 0.5rem; font-size: var(--step-0); }
.head .sub .sep { margin: 0 0.4rem; }
.head .sub b { color: var(--ink-2); font-weight: 500; }
.head .sub .hot { color: var(--ember-ink); font-weight: 500; }

/* ---------- section: small-caps label with a rule running to the right --- */
.sec { margin: 2.4rem 0 0; }
.sec > .label { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 0.35rem; }
.sec > .label::after { content: ""; flex: 1; height: 1px; background: var(--rule-soft); }
.sec > .label .n { font-family: var(--serif); color: var(--ink-3); letter-spacing: 0; }
.sec.hot > .label { color: var(--ember-ink); }
.sec.hot > .label::after { background: var(--ember-dim); }

/* ---------- ledger rows ------------------------------------------------- */
.row {
  display: grid; grid-template-columns: 1.5rem minmax(0, 1fr) auto; gap: 0.35rem 0.75rem;
  align-items: baseline; padding: 0.62rem 0 0.6rem; border-bottom: 1px solid var(--rule-soft);
  position: relative;
}
.row:hover { background: linear-gradient(90deg, oklch(0.205 0.012 55 / 0.7), transparent 70%); }
.row .tick {
  grid-row: span 2; align-self: start; margin-top: 0.15rem; width: 1.05rem; height: 1.05rem;
  border: 1px solid var(--ink-4); border-radius: 2px; background: none; cursor: pointer;
  display: grid; place-items: center; padding: 0; transition: border-color 0.15s, background 0.15s;
}
.row .tick:hover { border-color: var(--ember); background: oklch(0.650 0.150 55 / 0.12); }
.row .tick svg { width: 0.7rem; height: 0.7rem; opacity: 0; transition: opacity 0.15s; }
.row .tick:hover svg { opacity: 0.5; }
.row.is-done .tick { border-color: var(--ember-dim); background: oklch(0.650 0.150 55 / 0.16); }
.row.is-done .tick svg { opacity: 1; color: var(--ember-ink); }
.row.is-doing .tick { border-color: var(--ember); border-left-width: 4px; }

.row .title { min-width: 0; }
.row .title a { text-decoration: none; }
.row .title a:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--ink-4); }
.row.is-done .title, .row.is-dropped .title { color: var(--ink-3); }
.row.is-dropped .title { text-decoration: line-through; text-decoration-color: var(--ink-4); }
.row .meta {
  grid-column: 2 / -1; display: flex; flex-wrap: wrap; gap: 0.1rem 0.7rem;
  font-size: var(--step--1); color: var(--ink-4); line-height: 1.4;
}
.row .meta .sep { color: var(--rule); }
.row .right { display: flex; align-items: center; gap: 0.6rem; font-size: var(--step--1); color: var(--ink-3); }
.row .acts { display: flex; gap: 0.15rem; opacity: 0; transition: opacity 0.15s; }
.row:hover .acts, .row:focus-within .acts { opacity: 1; }
@media (hover: none) { .row .acts { opacity: 1; } }
.row .acts button {
  background: none; border: 1px solid transparent; border-radius: 3px; cursor: pointer;
  color: var(--ink-4); padding: 0.15rem 0.42rem; font-size: var(--step--1);
}
.row .acts button:hover { color: var(--ink); border-color: var(--rule); background: var(--bg-raised); }

.chip { display: inline-flex; align-items: center; gap: 0.3rem; white-space: nowrap; }
.chip .dot { width: 0.42rem; height: 0.42rem; border-radius: 1px; background: var(--c, var(--ink-4)); }
.tag { color: var(--ink-4); }
.due.is-late { color: var(--late); }
.due.is-soon { color: var(--warn); }
.st { text-transform: lowercase; }
.st-done { color: var(--ok); } .st-blocked { color: var(--warn); } .st-doing { color: var(--ember-ink); }

/* ---------- quick add --------------------------------------------------- */
.qa { border: 1px solid var(--rule-soft); border-radius: 4px; background: var(--bg-raised); }
.qa-line { display: flex; align-items: center; gap: 0.7rem; padding: 0.65rem 0.9rem; }
.qa-line .plus { color: var(--ink-4); font-size: 1.1rem; line-height: 1; }
.qa input[type=text] { flex: 1; background: none; border: 0; padding: 0; min-width: 0; }
.qa input::placeholder { color: var(--ink-4); }
.qa input:focus { outline: none; }
.qa-more {
  display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.28s var(--ease);
}
.qa.open .qa-more { grid-template-rows: 1fr; }
.qa-more > div { overflow: hidden; }
.qa-opts {
  display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0 0.9rem 0.7rem 2.3rem;
  border-top: 1px solid transparent;
}
.qa-opts select, .qa-opts input {
  background: var(--bg); border: 1px solid var(--rule-soft); border-radius: 3px;
  padding: 0.2rem 0.45rem; font-size: var(--step--1); color: var(--ink-2);
}
.qa-opts .hint { margin-left: auto; align-self: center; font-size: var(--step--1); color: var(--ink-4); }
kbd {
  font: 500 0.72rem/1 var(--sans); border: 1px solid var(--rule); border-bottom-width: 2px;
  border-radius: 3px; padding: 0.15rem 0.3rem; color: var(--ink-3);
}

/* ---------- timeline ---------------------------------------------------- */
.day { display: grid; grid-template-columns: 4.6rem minmax(0, 1fr); gap: 1.2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--rule-soft); }
.day .when { position: sticky; top: 1rem; align-self: start; text-align: right; color: var(--ink-3); }
.day .when .d { font: 600 1.6rem/1 var(--serif); font-variant-numeric: tabular-nums; color: var(--ink-2); display: block; }
.day .when .m { font-size: var(--step--1); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-4); }
.ev { padding: 0.28rem 0; display: flex; gap: 0.7rem; align-items: baseline; }
.ev .t { font-size: var(--step--1); color: var(--ink-4); font-variant-numeric: tabular-nums; flex: none; }
.ev .k { font-size: var(--step--1); color: var(--ink-4); flex: none; }
.ev .x { min-width: 0; }
.ev a, .detail-meta a { text-decoration: none; }
.ev a:hover, .detail-meta a:hover { text-decoration: underline; text-underline-offset: 3px; }
.ev.k-progress .x { color: var(--ink); }
.ev.k-status .k { color: var(--ok); }

/* ---------- item detail ------------------------------------------------- */
.detail-meta { display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem; color: var(--ink-3); font-size: var(--step--1); margin-top: 0.8rem; }
.body-text { margin: 1.4rem 0; color: var(--ink-2); white-space: pre-wrap; max-width: 40rem; }
.bar-actions { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1.6rem 0 0; }
.btn {
  background: none; border: 1px solid var(--rule); border-radius: 3px; cursor: pointer;
  padding: 0.32rem 0.7rem; color: var(--ink-2); font-size: var(--step--1);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.btn:hover { color: var(--ink); border-color: var(--ink-4); }
.btn-primary { border-color: var(--ember-dim); color: var(--ember-ink); }
.btn-primary:hover { background: oklch(0.650 0.150 55 / 0.14); border-color: var(--ember); }

/* ---------- charts ------------------------------------------------------ */
.chart { margin-top: 1rem; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .axis { fill: var(--ink-4); font-size: 0.66rem; letter-spacing: 0.04em; }
.chart .base { stroke: var(--rule); stroke-width: 1; }
.chart .val { fill: var(--ink-2); font-family: var(--serif); font-variant-numeric: tabular-nums; font-size: 0.72rem; }
.chart rect.mark { transition: opacity 0.15s; }
.chart g.bar:hover rect.mark { opacity: 0.82; }
.hbar { display: grid; grid-template-columns: minmax(6rem, 12rem) minmax(0, 1fr) 2.6rem; gap: 0.8rem; align-items: center; padding: 0.4rem 0; }
.hbar .track { height: 0.62rem; background: var(--bg-raised); border-radius: 2px; overflow: hidden; }
.hbar .fill { height: 100%; border-radius: 0 2px 2px 0; background: var(--c); }
.hbar .v { text-align: right; font-family: var(--serif); font-variant-numeric: tabular-nums; color: var(--ink-2); }
.hbar .who { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.readout { display: flex; flex-wrap: wrap; gap: 0 2.2rem; margin: 1.4rem 0 0; }
.readout div { padding-right: 2.2rem; border-right: 1px solid var(--rule-soft); }
.readout div:last-child { border-right: 0; }
.readout .v { font: 600 var(--step-2)/1.1 var(--serif); font-variant-numeric: tabular-nums; display: block; }
.readout .k { font-size: var(--step--1); color: var(--ink-4); letter-spacing: 0.1em; text-transform: uppercase; }
table.data { border-collapse: collapse; width: 100%; margin-top: 1rem; font-size: var(--step--1); }
table.data th, table.data td { text-align: left; padding: 0.4rem 0.8rem 0.4rem 0; border-bottom: 1px solid var(--rule-soft); }
table.data th { color: var(--ink-4); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.68rem; }
table.data td.n { text-align: right; font-family: var(--serif); font-variant-numeric: tabular-nums; }
.tip {
  position: fixed; z-index: 40; pointer-events: none; background: var(--bg-sunk);
  border: 1px solid var(--rule); border-radius: 3px; padding: 0.35rem 0.55rem;
  font-size: var(--step--1); color: var(--ink); box-shadow: 0 6px 20px oklch(0 0 0 / 0.45);
}

/* ---------- misc -------------------------------------------------------- */
.empty { color: var(--ink-3); padding: 1.4rem 0 0.4rem; max-width: 34rem; }
.empty b { color: var(--ink-2); font-weight: 500; display: block; margin-bottom: 0.3rem; font-family: var(--serif); }
.search-input {
  width: 100%; background: var(--bg-raised); border: 1px solid var(--rule-soft);
  border-radius: 4px; padding: 0.6rem 0.9rem;
}
.filters { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 1.4rem 0 0.4rem; }
.filters button {
  background: none; border: 1px solid transparent; border-radius: 3px; cursor: pointer;
  padding: 0.2rem 0.55rem; color: var(--ink-4); font-size: var(--step--1);
}
.filters button:hover { color: var(--ink-2); }
.filters button[aria-pressed=true] { color: var(--ink); border-color: var(--rule); background: var(--bg-raised); }

/* ---------- login ------------------------------------------------------- */
.login { min-height: 100vh; display: grid; align-content: center; padding: 2rem clamp(1.2rem, 8vw, 6rem); max-width: 34rem; }
.login h1 { font-size: var(--step-3); }
.login p { color: var(--ink-3); margin: 0.6rem 0 2rem; }
.login label { display: block; font-size: var(--step--1); color: var(--ink-4); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.35rem; }
.login input {
  width: 100%; background: var(--bg-raised); border: 1px solid var(--rule);
  border-radius: 3px; padding: 0.55rem 0.75rem; margin-bottom: 1.1rem;
}
.err { color: var(--late); font-size: var(--step--1); min-height: 1.3rem; }

/* ---------- motion ------------------------------------------------------ */
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.stagger > * { animation: rise 0.34s var(--ease) both; }
.stagger > *:nth-child(1) { animation-delay: 0.01s } .stagger > *:nth-child(2) { animation-delay: 0.04s }
.stagger > *:nth-child(3) { animation-delay: 0.07s } .stagger > *:nth-child(4) { animation-delay: 0.1s }
.stagger > *:nth-child(5) { animation-delay: 0.13s } .stagger > *:nth-child(6) { animation-delay: 0.16s }
.stagger > *:nth-child(n+7) { animation-delay: 0.19s }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- responsive: adapt, don't amputate --------------------------- */
@media (max-width: 56rem) {
  .app { grid-template-columns: 1fr; }
  .rail {
    position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--rule-soft);
    padding: 1rem 0 0.4rem; gap: 0.9rem;
  }
  .rail .nav { flex-direction: row; overflow-x: auto; padding: 0 1rem 0.5rem; gap: 0.15rem; scrollbar-width: none; }
  .rail .nav::-webkit-scrollbar { display: none; }
  .rail .nav a { border-left: 0; border-bottom: 2px solid transparent; padding: 0.3rem 0.6rem; white-space: nowrap; }
  .rail .nav a[aria-current] { border-left-color: transparent; border-bottom-color: var(--ember); }
  .rail .label, .rail-foot { display: none; }
  .rail .brand { padding: 0 1rem; }
  main { padding: 1.6rem 1.1rem 5rem; }
  .day { grid-template-columns: 3.2rem minmax(0, 1fr); gap: 0.8rem; }
  .day .when .d { font-size: 1.25rem; }
  .readout { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem 1rem; }
  .readout div { border-right: 0; padding-right: 0; }
  /* the horizontally scrolling area strip needs an edge that says "there is more" */
  .rail .nav:last-of-type { mask-image: linear-gradient(90deg, #000 88%, transparent); }
}