/* Trading 212 Monitor - vizual PWA.
   Bez frameworku a bez build stepu: appka bezi na Pi pod jednou systemd sluzbou.
   Font Geist (SIL OFL 1.1) je self-hosted, aby PWA fungovala i offline. */

/* --- Fonty ---------------------------------------------------------------- */

@font-face {
  font-family: 'Geist';
  src: url('/static/fonts/Geist-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: 'Geist Mono';
  src: url('/static/fonts/GeistMono-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

/* --- Tokeny --------------------------------------------------------------- */

:root {
  color-scheme: dark;

  --bg: #0c0d0f;
  --surface: #131518;
  --line: #23262b;
  --line-soft: #191c20;
  --text: #e8eaed;
  --text-dim: #8b9096;
  --up: #3fb950;
  --down: #f85149;
  --accent: #e8eaed;        /* interaktivni prvky jsou neutralni, barva nese vyznam */
  --on-accent: #0c0d0f;

  --radius: 10px;
  --bar-h: 56px;

  --sans: 'Geist', ui-sans-serif, -apple-system, 'Segoe UI', system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

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

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;

    --bg: #f7f8f8;
    --surface: #ffffff;
    --line: #dfe2e6;
    --line-soft: #ebedef;
    --text: #14161a;
    --text-dim: #5c6169;
    --up: #1a7f37;
    --down: #cf222e;
    --accent: #14161a;
    --on-accent: #ffffff;
  }
}

/* --- Zaklad --------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: contain;
}

h1, h2, p, ul, ol { margin: 0; }
ul { list-style: none; padding: 0; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.up { color: var(--up); }
.down { color: var(--down); }
.dim { color: var(--text-dim); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* --- Horni lista ---------------------------------------------------------- */

.bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  height: calc(var(--bar-h) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) 16px 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Tecka nese realny stav (otevrena/zavrena burza), ne dekoraci. */
.market {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: auto;
  font-size: 12px;
  color: var(--text-dim);
}

.market::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
}

.market[data-open='true']::before { background: var(--up); }

.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-right: -8px;
  border-radius: var(--radius);
  color: var(--text-dim);
  transition: color 140ms var(--ease), background-color 140ms var(--ease);
}

.icon-btn:hover { color: var(--text); background: var(--line-soft); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn svg { width: 18px; height: 18px; }

.icon-btn[data-busy='true'] svg { animation: spin 900ms linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }

/* --- Layout --------------------------------------------------------------- */

main {
  max-width: 900px;
  margin-inline: auto;
  padding: 24px 16px calc(48px + env(safe-area-inset-bottom));
}

section + section {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

h2 {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}

/* --- Chyba ---------------------------------------------------------------- */

.error {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 20px;
  border: 1px solid color-mix(in srgb, var(--down) 40%, transparent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--down) 10%, transparent);
  font-size: 14px;
}

.error[hidden] { display: none; }
.error svg { width: 18px; height: 18px; flex: none; color: var(--down); margin-top: 1px; }
.error button { margin-left: auto; font-size: 13px; text-decoration: underline; }

/* --- Souhrn --------------------------------------------------------------- */

.summary-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.hero {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.25rem, 11vw, 3.25rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 6px 0 10px;
}

.hero-day {
  font-size: 1rem;
  font-weight: 500;
}

.hero-total {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.stamp {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-dim);
}

/* --- Sparkline ------------------------------------------------------------ */

.spark {
  margin-top: 20px;
}

.spark svg {
  display: block;
  width: 100%;
  height: 72px;
  overflow: visible;
}

.spark polyline {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linejoin: round;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.spark polygon { fill: currentColor; opacity: 0.08; stroke: none; }
.spark circle { fill: currentColor; }

.spark-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

/* --- Pozice --------------------------------------------------------------- */

.pos-head { display: none; }
.pos-head[hidden] { display: none !important; }

.pos {
  border-bottom: 1px solid var(--line-soft);
}

.pos:first-of-type { border-top: 1px solid var(--line-soft); }

.pos-row {
  display: grid;
  width: 100%;
  gap: 2px 12px;
  padding: 14px 0;
  text-align: left;
  grid-template-columns: 1fr auto auto;
  grid-template-areas:
    'main  day   caret'
    'meta  total caret';
  transition: opacity 140ms var(--ease);
}

.pos-row:active { opacity: 0.6; }

.pos-main { grid-area: main; display: flex; align-items: baseline; gap: 8px; }
.pos-meta { grid-area: meta; display: flex; align-items: baseline; gap: 8px; font-size: 13px; color: var(--text-dim); }
.pos-day { grid-area: day; font-size: 1rem; font-weight: 500; text-align: right; }
.pos-total { grid-area: total; font-size: 13px; color: var(--text-dim); text-align: right; }
.pos-pnl { display: none; }

.pos-caret {
  grid-area: caret;
  align-self: center;
  width: 16px;
  height: 16px;
  color: var(--text-dim);
  transition: transform 180ms var(--ease);
}

.pos-row[aria-expanded='true'] .pos-caret { transform: rotate(180deg); }

.tkr { font-weight: 600; letter-spacing: -0.01em; }

.exch {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* Chybejici baseline: bez nej vyjde denni zmena 0 % a je treba rict proc. */
.chip {
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 6px;
}

.pos-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 200ms var(--ease);
}

.pos[data-open='true'] .pos-detail { max-height: 260px; }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 16px;
  padding: 4px 0 18px;
}

.detail-grid dt {
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.detail-grid dd { margin: 2px 0 0; font-size: 14px; }

/* --- Alerty --------------------------------------------------------------- */

.alert-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.alert-row:first-child { border-top: 1px solid var(--line-soft); }
.alert-row .when { font-size: 12px; color: var(--text-dim); grid-column: 1; }
.alert-row .tkr { grid-row: 1; }
.alert-row .pct { grid-row: 1; grid-column: 2; font-weight: 500; }
.alert-row .lvl { grid-column: 2; font-size: 12px; color: var(--text-dim); text-align: right; }

.empty {
  padding: 20px 0;
  font-size: 14px;
  color: var(--text-dim);
}

/* --- Nastaveni ------------------------------------------------------------ */

.setting {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
}

.setting:first-of-type { border-top: 1px solid var(--line-soft); }
.setting .label { font-size: 15px; }
.setting .hint { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.setting .grow { margin-right: auto; }
.setting svg { width: 16px; height: 16px; color: var(--text-dim); flex: none; }

.switch {
  position: relative;
  flex: none;
  width: 46px;
  height: 28px;
  border-radius: 999px;
  background: var(--line);
  transition: background-color 160ms var(--ease);
}

.switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--text);
  transition: transform 160ms var(--ease);
}

.switch[aria-checked='true'] { background: var(--up); }
.switch[aria-checked='true']::after { transform: translateX(18px); background: #fff; }
.switch[disabled] { opacity: 0.4; cursor: not-allowed; }

.jobs {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

/* --- Skeletony ------------------------------------------------------------ */

.skeleton {
  color: transparent !important;
  background: linear-gradient(
    90deg,
    var(--line-soft) 0%,
    var(--line) 40%,
    var(--line-soft) 80%
  );
  background-size: 300% 100%;
  border-radius: 6px;
  user-select: none;
}

@media (prefers-reduced-motion: no-preference) {
  .skeleton { animation: shimmer 1.4s linear infinite; }
}

@keyframes shimmer {
  from { background-position: 150% 0; }
  to { background-position: -150% 0; }
}

/* --- Desktop -------------------------------------------------------------- */

@media (min-width: 768px) {
  body { font-size: 15px; }

  main { padding: 32px 24px 64px; }

  .summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 32px;
    align-items: end;
  }

  .spark { margin-top: 0; }
  .spark svg { height: 104px; }

  .pos-head,
  .pos-row {
    display: grid;
    grid-template-columns: 5rem 4rem 1fr 6rem 6rem 6rem 7rem 16px;
    grid-template-areas: none;
    align-items: baseline;
    gap: 0 12px;
  }

  /* Pojmenovane oblasti z mobilu uz neexistuji - zpatky na automaticke umisteni. */
  .pos-row > *,
  .pos-main > *,
  .pos-meta > * { grid-area: auto; }

  .pos-head {
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-dim);
  }

  .pos:first-of-type { border-top: 0; }

  /* Wrappery zmizi z toku, jejich deti se stanou primo bunkami mrizky. */
  .pos-main, .pos-meta { display: contents; }

  .pos-main .exch { font-size: 12px; }
  .pos-meta .qty, .pos-meta .price { font-size: 14px; color: var(--text); text-align: right; }
  .pos-day, .pos-total, .pos-pnl { text-align: right; }
  .pos-day { font-size: 15px; }
  .pos-total { font-size: 15px; color: var(--text); }
  .pos-pnl { display: block; font-size: 15px; }

  .pos-head .h-qty, .pos-head .h-price, .pos-head .h-day,
  .pos-head .h-total, .pos-head .h-pnl { text-align: right; }

  .detail-grid { grid-template-columns: repeat(4, 1fr); }
  .pos[data-open='true'] .pos-detail { max-height: 160px; }
}

/* --- Reduced motion ------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}