/* Lumea digitală a elevilor — dashboard PISA 2025.
   Paletă: canvas nocturn indigo pentru zonele „digitale”, hârtie caldă pentru citit. */

:root {
  color-scheme: light;
  --bg: #f5f3ee;
  --bg-raised: #fffefb;
  --bg-sunken: #e9e5dc;
  --fg: #17181c;
  --fg-soft: #4a4e57;
  --fg-faint: #6b6f78;
  --line: rgba(23, 24, 28, 0.14);
  --line-strong: rgba(23, 24, 28, 0.34);
  --shadow: rgba(20, 20, 30, 0.14);

  --canvas: #eef0f6;
  --canvas-raised: #ffffff;
  --canvas-ink: #14161f;
  --canvas-soft: #565b6b;
  --canvas-line: rgba(20, 22, 30, 0.13);

  --accent: #5b4fd8;      /* AI / digital */
  --accent-soft: #ece9fb;
  --human: #b8722e;       /* uman / performanță */
  --good: #2f8f5b;        /* peste media OECD */
  --bad: #c04b3c;         /* sub media OECD */
  --oecd-line: #8a8fa3;

  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace;

  --container: 760px;
  --wide: 1220px;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #101218;
    --bg-raised: #171a22;
    --bg-sunken: #0b0d12;
    --fg: #eef0f4;
    --fg-soft: #b7bcc8;
    --fg-faint: #949aa8;
    --line: rgba(238, 240, 244, 0.14);
    --line-strong: rgba(238, 240, 244, 0.3);
    --shadow: rgba(0, 0, 0, 0.5);
    --accent: #8b7cf5;
    --accent-soft: rgba(139, 124, 245, 0.16);
    --human: #e0a15c;
    --good: #55c084;
    --bad: #e2695a;
    --oecd-line: #7c8298;
    --canvas: #0b0e1a;
    --canvas-raised: #131728;
    --canvas-ink: #eef0fb;
    --canvas-soft: #a7acc4;
    --canvas-line: rgba(238, 240, 251, 0.14);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101218;
  --bg-raised: #171a22;
  --bg-sunken: #0b0d12;
  --fg: #eef0f4;
  --fg-soft: #b7bcc8;
  --fg-faint: #949aa8;
  --line: rgba(238, 240, 244, 0.14);
  --line-strong: rgba(238, 240, 244, 0.3);
  --shadow: rgba(0, 0, 0, 0.5);
  --accent: #8b7cf5;
  --accent-soft: rgba(139, 124, 245, 0.16);
  --human: #e0a15c;
  --good: #55c084;
  --bad: #e2695a;
  --oecd-line: #7c8298;
  --canvas: #0b0e1a;
  --canvas-raised: #131728;
  --canvas-ink: #eef0fb;
  --canvas-soft: #a7acc4;
  --canvas-line: rgba(238, 240, 251, 0.14);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.14; letter-spacing: -0.012em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.3rem, 6.6vw, 4.3rem); }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); margin-top: 0; }
h3 { font-size: 1.18rem; letter-spacing: 0; margin-bottom: .3em; }
p { margin: 0 0 1.1em; }
a { color: inherit; text-underline-offset: 3px; text-decoration-thickness: 1px; text-decoration-color: var(--line-strong); }
a:hover { text-decoration-color: currentColor; }
b, strong { font-weight: 600; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(100% - 2.4rem, var(--container)); margin-inline: auto; }
.wrap-wide { width: min(100% - 2.4rem, var(--wide)); margin-inline: auto; }
.kicker { font-family: var(--sans); font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint); margin-bottom: .8em; }
.num { font-variant-numeric: tabular-nums; }
.small { font-size: .9rem; color: var(--fg-soft); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

/* ---------- topbar ---------- */
.topbar {
  position: relative; z-index: 5;
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 0;
}
.topbar .brand { font-family: var(--serif); font-size: 1rem; text-decoration: none; color: var(--canvas-soft); }
.topbar .spacer { flex: 1; }
.lang { display: flex; gap: .35rem; }
.lang a, .theme-toggle {
  font: 600 .74rem/1 var(--sans); letter-spacing: .08em;
  padding: .48rem .62rem; border-radius: 999px;
  border: 1px solid var(--canvas-line); color: var(--canvas-soft);
  background: transparent; text-decoration: none; cursor: pointer;
}
.lang a[aria-current="page"] { background: color-mix(in srgb, var(--canvas-ink) 12%, transparent); color: var(--canvas-ink); }
.lang a:hover, .theme-toggle:hover { color: var(--canvas-ink); border-color: var(--canvas-soft); }

/* ---------- hero ---------- */
.hero {
  position: relative; background: var(--canvas); color: var(--canvas-ink);
  padding-bottom: 3rem; overflow: hidden;
}
.hero-net { position: absolute; inset: 0; z-index: 0; opacity: .55; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 90% 60% at 50% 0%, color-mix(in srgb, var(--canvas) 0%, transparent) 0%, color-mix(in srgb, var(--canvas) 70%, transparent) 72%, var(--canvas) 100%);
}
.hero .inner { position: relative; z-index: 2; padding-top: .5rem; }
.kicker.on-canvas { color: var(--canvas-soft); }
.hero h1 { max-width: 15ch; }
.hero .deck { font-size: clamp(1.05rem, 2.2vw, 1.28rem); color: var(--canvas-ink); max-width: 62ch; }
.hero .deck b { color: var(--canvas-ink); background: linear-gradient(180deg, transparent 62%, rgba(139,124,245,.55) 62%); padding: 0 .06em; }
.hero .byline { color: var(--canvas-soft); font-size: .92rem; }

.country-picker {
  margin-top: 1.6rem; padding: 1.1rem 1.2rem; border-radius: var(--radius);
  background: var(--canvas-raised); border: 1px solid var(--canvas-line);
  display: flex; flex-wrap: wrap; gap: .9rem; align-items: center;
}
.country-picker label { font: 600 .78rem/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--canvas-soft); }
.picker-field { position: relative; flex: 1 1 260px; min-width: 220px; }
.picker-field input {
  width: 100%; font: 500 1.05rem/1.3 var(--serif); padding: .55rem .8rem;
  border-radius: 10px; border: 1px solid var(--canvas-line); background: color-mix(in srgb, var(--canvas-ink) 6%, transparent);
  color: var(--canvas-ink); outline-offset: 2px;
}
.picker-field input::placeholder { color: var(--canvas-soft); }
.picker-list {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 20;
  max-height: 300px; overflow-y: auto; background: var(--canvas-raised);
  border: 1px solid var(--canvas-line); border-radius: 10px; box-shadow: 0 12px 30px rgba(0,0,0,.4);
  list-style: none; margin: 0; padding: .3rem;
}
.picker-list li { border-radius: 8px; }
.picker-list button {
  width: 100%; text-align: left; background: transparent; border: 0; color: var(--canvas-ink);
  font: 500 .96rem/1.3 var(--sans); padding: .5rem .6rem; border-radius: 8px; cursor: pointer;
}
.picker-list button:hover, .picker-list button.is-active { background: rgba(139,124,245,.22); }
.picker-list .caution-dot { display: inline-block; width: .4em; height: .4em; border-radius: 50%; background: var(--human); margin-inline-start: .4em; }
.scroll-hint { margin-top: 1.6rem; font-size: .82rem; color: var(--canvas-soft); }
.scroll-hint::after { content: " ↓"; }

/* ---------- swarm section ---------- */
.swarm-section { background: var(--canvas); color: var(--canvas-ink); padding: 3rem 0 3.4rem; }
.swarm-head { max-width: 68ch; }
.swarm-head p { color: var(--canvas-soft); }
.swarm-controls { display: flex; align-items: center; gap: .7rem; margin-top: 1.1rem; flex-wrap: wrap; }
.swarm-controls label { font: 600 .78rem/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--canvas-soft); }
.swarm-controls select {
  font: 500 .95rem/1.3 var(--sans); padding: .5rem .7rem; border-radius: 8px;
  border: 1px solid var(--canvas-line); background: var(--canvas-raised); color: var(--canvas-ink);
  max-width: 100%;
}
.swarm-wrap { margin-top: 1.6rem; overflow-x: auto; }
#swarm { display: block; width: 100%; height: auto; min-width: 640px; }
.swarm-dot { cursor: pointer; transition: r .15s ease, opacity .15s ease; }
.swarm-dot:hover { opacity: 1 !important; }
.swarm-legend { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: .9rem; font-size: .85rem; color: var(--canvas-soft); }
.swarm-legend .sw { display: inline-flex; align-items: center; gap: .4rem; }
.swarm-legend .sw::before { content: ""; width: .8em; height: .8em; border-radius: 50%; display: inline-block; }
.swarm-legend .sw.selected::before { background: var(--accent); }
.swarm-legend .sw.compare::before { background: var(--human); }
.swarm-legend .sw.other::before { background: var(--canvas-soft); opacity: .6; }
.swarm-legend .sw.oecd::before { border-radius: 0; width: 1.1em; height: 2px; background: var(--oecd-line); margin-top: .4em; }
#swarm-tooltip {
  position: fixed; pointer-events: none; z-index: 40; background: var(--canvas-raised);
  border: 1px solid var(--canvas-line); color: var(--canvas-ink); padding: .5rem .7rem;
  border-radius: 8px; font-size: .85rem; box-shadow: 0 10px 24px rgba(0,0,0,.4); max-width: 240px;
  transform: translate(-50%, -110%);
}

/* ---------- dashboard ---------- */
.dashboard { padding: 3.4rem 0; }
.dash-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.6rem; }
.dash-head h2 { margin-bottom: .15rem; }
.dash-flags { display: flex; gap: .5rem; flex-wrap: wrap; }
.flag {
  display: inline-flex; align-items: center; gap: .35rem; font: 600 .74rem/1 var(--sans);
  letter-spacing: .03em; padding: .35rem .6rem; border-radius: 999px; border: 1px solid var(--line-strong);
  color: var(--fg-soft);
}
.flag.caution { color: var(--human); border-color: var(--human); }
.compare-toggle {
  font: 600 .82rem/1 var(--sans); padding: .55rem .9rem; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--bg-raised); color: var(--fg); cursor: pointer;
}
.compare-toggle[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
.compare-field { margin: .8rem 0 1.6rem; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.1rem; }
.card {
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.3rem 1.4rem 1.5rem; box-shadow: 0 1px 0 var(--shadow);
}
.card.card-wide { grid-column: 1 / -1; }
.card h3 { display: flex; align-items: center; gap: .5rem; }
.card .card-note { color: var(--fg-faint); font-size: .86rem; margin-top: -.4rem; margin-bottom: 1rem; }

.metric { margin-bottom: 1.05rem; }
.metric:last-child { margin-bottom: 0; }
.metric-top { display: flex; justify-content: space-between; align-items: baseline; gap: .6rem; margin-bottom: .3rem; }
.metric-label { font-size: .92rem; color: var(--fg-soft); }
.metric-value { font: 600 1rem/1 var(--sans); font-variant-numeric: tabular-nums; }
.metric-value .delta { font-weight: 600; margin-inline-start: .4em; font-size: .82rem; }
.delta.good { color: var(--good); }
.delta.bad { color: var(--bad); }
.delta.sig::after { content: " ✳"; }
.metric-na { color: var(--fg-faint); font-style: italic; font-size: .9rem; }

.bar-track {
  position: relative; height: 10px; border-radius: 999px; background: var(--bg-sunken);
  overflow: visible;
}
.bar-fill { position: absolute; inset: 0 auto 0 0; border-radius: 999px; background: var(--accent); }
.bar-fill.is-compare { background: var(--human); }
.bar-track.compare-track { height: 22px; display: flex; flex-direction: column; gap: 3px; background: transparent; margin-bottom: 15px; }
.bar-track.compare-track .bar-row { position: relative; height: 9px; border-radius: 999px; background: var(--bg-sunken); }
.bar-oecd-tick {
  position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--oecd-line);
}
.bar-oecd-tick::after {
  content: "media OECD"; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  font-size: .62rem; letter-spacing: .04em; color: var(--fg-faint); white-space: nowrap; margin-top: 2px;
}
html[lang="en"] .bar-oecd-tick::after { content: "OECD average"; }

.diverge-track { position: relative; height: 10px; border-radius: 999px; background: var(--bg-sunken); }
.diverge-mid { position: absolute; top: -3px; bottom: -3px; left: 50%; width: 1px; background: var(--line-strong); }
.diverge-fill { position: absolute; top: 0; bottom: 0; border-radius: 999px; background: var(--accent); }
.diverge-fill.neg { background: var(--bad); }
.diverge-fill.pos { background: var(--good); }

.compare-legend { display: flex; gap: 1.1rem; font-size: .82rem; color: var(--fg-soft); margin-bottom: .6rem; }
.compare-legend .sw { display: inline-flex; align-items: center; gap: .4rem; }
.compare-legend .sw::before { content: ""; width: .8em; height: .8em; border-radius: 50%; display: inline-block; background: var(--accent); }
.compare-legend .sw.compare::before { background: var(--human); }

.caution-note {
  margin-top: 1.4rem; padding: .9rem 1.1rem; border: 1px dashed var(--human); border-radius: 10px;
  font-size: .88rem; color: var(--fg-soft); background: color-mix(in srgb, var(--human) 8%, transparent);
}

/* ---------- method / footer ---------- */
.method { padding: 3rem 0 4rem; border-top: 1px solid var(--line); }
.method h2 { margin-bottom: .8rem; }
.method dl { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; font-size: .92rem; }
.method dt { color: var(--fg-faint); }
.method dd { margin: 0; }
footer.site-footer { padding: 1.6rem 0 3rem; font-size: .84rem; color: var(--fg-faint); border-top: 1px solid var(--line); }
footer.site-footer a { color: var(--fg-soft); }

.noscript-box {
  background: var(--bg-sunken); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem 1.4rem; margin: 1.4rem 0;
}

@media (max-width: 640px) {
  .country-picker { flex-direction: column; align-items: stretch; }
  .dash-head { flex-direction: column; align-items: flex-start; }
  .method dl { grid-template-columns: 1fr; }
  .method dt { margin-top: .6rem; }
}