/* Journey map (public/map.js, docs/CESTY.md §5.1). Animations use transform/opacity only. */

.map-page { position: relative; }

/* --- top bar --- */
.map-hud {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: calc(8px + env(safe-area-inset-top)) 12px 8px;
  margin-top: calc(-1 * env(safe-area-inset-top));
  background: color-mix(in srgb, var(--color-paper) 92%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 2px solid var(--color-line);
  display: grid;
  gap: 6px;
}
.hud-skeleton { height: 48px; }
.hud-row { display: flex; align-items: center; gap: 8px; }
.hud-journey {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 12px 4px 4px;
  border-radius: 16px;
  background: var(--color-surface);
  border: 2px solid var(--color-line);
  box-shadow: 0 3px 0 var(--color-line);
  color: var(--color-ink);
  text-decoration: none;
}
.hud-journey:active { transform: translateY(3px); box-shadow: none; }
.hud-art { width: 52px; height: 38px; border-radius: 10px; object-fit: cover; flex: none; }
.hud-title { display: grid; min-width: 0; line-height: 1.15; }
.hud-title strong { font-family: var(--font-heading); font-size: var(--size-md); font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-title small { color: var(--color-ink-soft); font-size: var(--size-xs); font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-stats { display: flex; gap: 6px; flex: none; }
.hud-stat {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-width: 46px;
  height: 46px;
  padding: 0 8px;
  border-radius: 14px;
  background: var(--color-surface);
  border: 2px solid var(--color-line);
  box-shadow: 0 3px 0 var(--color-line);
  color: var(--color-ink-soft);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--size-lg);
}
.hud-stat:active { transform: translateY(3px); box-shadow: none; }
.hud-stat.streak.on { color: var(--color-primary-ink); }
.hud-stat.streak.on .icon { color: var(--color-primary); fill: var(--color-reward); }
.hud-stat.goal { padding: 0; width: 46px; }
.ring { position: absolute; inset: 1px; width: 40px; height: 40px; }
.ring-bg { fill: none; stroke: var(--color-line); stroke-width: 5; }
.ring-fg { fill: none; stroke: var(--color-secondary); stroke-width: 5; stroke-linecap: round; transition: stroke-dashoffset var(--motion-slow) var(--motion-out); }
.ring.done .ring-fg { stroke: var(--color-success); }
.goal-ico { position: relative; display: grid; place-items: center; color: var(--color-secondary-ink); }
.hud-milestone {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 8px;
  align-items: center;
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--size-xs);
  padding: 0 4px;
}
.hud-ms-ico { width: 26px; height: 26px; grid-row: span 2; }
.hud-ms-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud-milestone small { color: var(--color-ink-soft); grid-row: span 2; font-weight: 800; }
.hud-ms-bar { grid-column: 2; height: 6px; border-radius: 3px; background: var(--color-line); overflow: hidden; }
.hud-ms-bar span { display: block; height: 100%; background: var(--color-reward); transform-origin: left; border-radius: 3px; }

/* --- the map: areas top (newest) → bottom (start) --- */
.map { display: flex; flex-direction: column; overflow: hidden; }
.area {
  --a-main: var(--area-downtown-main);
  --a-light: var(--area-downtown-light);
  --a-dark: var(--area-downtown-dark);
  position: relative;
  background:
    radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--a-main) 14%, transparent) 0 2px, transparent 3px) 0 0 / 26px 26px,
    linear-gradient(to bottom, color-mix(in srgb, var(--a-main) 28%, var(--a-light)), var(--a-light) 220px);
  overflow: hidden;
  contain: layout paint;
  /* Infinite map: areas far off screen are not rendered at all (iPhone scroll stays at 60 fps with
     dozens of AI chapters). The size comes from the layout (map.js sets contain-intrinsic-size). */
  content-visibility: auto;
}
.area + .area { border-top: 0; }
.area::before { /* wavy edge towards the next area above */
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 18px;
  z-index: 2;
  background: radial-gradient(circle at 16px -6px, transparent 17px, var(--a-light) 18px) 0 0 / 32px 18px repeat-x;
  opacity: 0;
}
.area-art { position: relative; aspect-ratio: 3 / 2; max-height: 300px; margin: 0 auto; width: 100%; }
.area-img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center bottom; }
.area-art::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40px; background: linear-gradient(to bottom, transparent, var(--a-light)); }
.area-sign {
  position: absolute;
  left: 50%;
  bottom: 10px;
  z-index: 3;
  transform: translateX(-50%) rotate(-2deg);
  display: grid;
  justify-items: center;
  padding: 6px 18px 8px;
  border-radius: 16px;
  background: var(--color-surface);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--a-dark), 0 6px 0 2px color-mix(in srgb, var(--a-dark) 60%, transparent);
  white-space: nowrap;
  max-width: 88%;
}
.area-sign small { color: var(--a-dark); font-weight: 800; font-size: var(--size-xs); text-transform: uppercase; letter-spacing: 0.08em; }
.area-sign strong { font-family: var(--font-heading); font-size: var(--size-xl); font-weight: 800; line-height: 1.1; color: var(--color-ink); overflow: hidden; text-overflow: ellipsis; }

.area-track { position: relative; width: 320px; margin: 0 auto; }
.road { position: absolute; left: 0; top: 0; overflow: visible; }
.road-edge { fill: none; stroke: color-mix(in srgb, var(--a-dark) 55%, transparent); stroke-width: 30; stroke-linecap: round; }
.road-top { fill: none; stroke: color-mix(in srgb, #fff 80%, var(--a-light)); stroke-width: 24; stroke-linecap: round; }
.road-dash { fill: none; stroke: color-mix(in srgb, var(--a-main) 55%, transparent); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 2 14; }
.state-locked .road-dash { stroke: var(--color-line-strong); }

.nodes { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; }
.node-slot.is-current { z-index: 4; } /* the "Začít" tip and the avatar above the neighbouring nodes */
.node-slot { position: absolute; left: 0; top: 0; width: 72px; height: 72px; }
.node {
  --face: var(--a-main);
  --edge: var(--a-dark);
  position: relative;
  width: 72px;
  height: 72px;
  min-height: 0;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
}
.node-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 28%, color-mix(in srgb, #fff 35%, var(--face)), var(--face) 62%);
  border: 4px solid #fff;
  box-shadow: 0 var(--edge-node) 0 var(--edge), 0 0 0 2px var(--edge), 0 12px 18px -8px rgba(31, 42, 68, 0.35);
  transition: transform 90ms ease, box-shadow 90ms ease;
}
.node:active .node-face { transform: translateY(var(--edge-node)); box-shadow: 0 0 0 var(--edge), 0 0 0 2px var(--edge); }
.node-emoji { font-size: 32px; line-height: 1; filter: drop-shadow(0 2px 0 rgba(0, 0, 0, 0.12)); }
.node.state-locked { --face: var(--color-locked); --edge: var(--color-locked-edge); }
.node.state-locked .node-face { color: #fff; border-color: color-mix(in srgb, #fff 70%, var(--color-locked)); }
.node.state-done { --face: var(--color-reward); --edge: var(--color-reward-edge); }
.node-tick {
  position: absolute;
  right: -2px;
  top: -2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--color-success);
  color: #fff;
  border: 3px solid #fff;
  box-shadow: 0 2px 0 var(--color-success-edge);
}
.node.current::before { /* pulse ring */
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 4px solid var(--a-main);
  opacity: 0.6;
  animation: node-pulse 1.8s ease-out infinite;
}
@keyframes node-pulse { from { transform: scale(0.85); opacity: 0.7; } to { transform: scale(1.35); opacity: 0; } }
.node.just-unlocked .node-face { animation: node-unlock 700ms var(--motion-spring) 300ms both; }
@keyframes node-unlock { 0% { transform: scale(0.4) rotate(-20deg); } 70% { transform: scale(1.15) rotate(6deg); } 100% { transform: none; } }
.node-stars { position: absolute; left: 50%; top: 76px; transform: translateX(-50%); display: flex; gap: 1px; padding: 2px 6px; border-radius: 999px; background: var(--color-surface); box-shadow: 0 0 0 2px var(--color-line); }
.node-stars .icon, .sheet-stars .icon { stroke: var(--color-reward-edge); stroke-width: 2.2; }
.node-stars .on, .sheet-stars .on { fill: var(--color-reward); }
.node-stars .off, .sheet-stars .off { fill: var(--color-line); stroke: var(--color-line-strong); }
.node-tip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 16px);
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--a-dark);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--size-md);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  border: 2px solid var(--color-line);
  box-shadow: 0 3px 0 var(--color-line);
  animation: tip-bob 1.6s ease-in-out infinite;
  pointer-events: none;
}
.node-tip::after { content: ""; position: absolute; left: 50%; top: 100%; width: 12px; height: 12px; background: var(--color-surface); border: solid var(--color-line); border-width: 0 2px 2px 0; transform: translate(-50%, -6px) rotate(45deg); }
@keyframes tip-bob { 50% { transform: translate(-50%, -5px); } }
.avatar { position: absolute; top: -6px; width: 52px; height: 65px; pointer-events: none; animation: avatar-bob 2.2s ease-in-out infinite; filter: drop-shadow(0 3px 0 rgba(31, 42, 68, 0.12)); }
.avatar.right { left: 84px; }
.avatar.left { right: 84px; transform: scaleX(-1); animation-name: avatar-bob-flip; }
@keyframes avatar-bob { 50% { transform: translateY(-6px); } }
@keyframes avatar-bob-flip { 0%, 100% { transform: scaleX(-1); } 50% { transform: scaleX(-1) translateY(-6px); } }

/* --- clouds over locked areas --- */
.clouds { position: absolute; inset: 0; z-index: 6; display: grid; place-items: center; overflow: hidden; }
.cloud-bank { position: absolute; top: 18%; height: 90%; width: 70%; object-fit: cover; opacity: 0.96; transition: transform 1.1s var(--motion-out), opacity 1.1s ease; }
.cloud-bank.left { left: -2%; width: 60%; }
.cloud-bank.right { right: -2%; width: 60%; transform: scaleX(-1); }
.clouds::before { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(255, 255, 255, 0.35), rgba(241, 244, 250, 0.92) 55%); }
.clouds.leaving::before { opacity: 0; transition: opacity 0.9s ease 0.15s; }
.clouds.leaving .cloud-bank.left { transform: translateX(-90%); opacity: 0; }
.clouds.leaving .cloud-bank.right { transform: scaleX(-1) translateX(-90%); opacity: 0; }
.clouds.leaving .lock-label { opacity: 0; transform: scale(0.8); }
.lock-label {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 2px;
  max-width: 78%;
  padding: 14px 20px;
  border-radius: 20px;
  text-align: center;
  background: rgba(255, 255, 255, 0.85);
  color: #56607A;
  border: 2px dashed #C9D2E3;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.lock-label strong { font-family: var(--font-heading); font-size: var(--size-lg); color: #1F2A44; font-weight: 800; }
.lock-label small { font-weight: 700; }

/* --- top: next chapter --- */
.continuation { background: linear-gradient(to bottom, var(--color-paper), var(--color-surface-2)); padding-bottom: 28px; }
.cont-art { display: block; width: 100%; aspect-ratio: 9 / 5; object-fit: cover; }
.cont-card { margin: -36px 16px 0; position: relative; padding: 16px 18px; border-radius: var(--radius-lg); background: var(--color-surface); border: 2px solid var(--color-line); box-shadow: 0 3px 0 var(--color-line); text-align: center; }
.cont-card strong { display: block; font-family: var(--font-heading); font-size: var(--size-lg); font-weight: 800; }
.cont-card p { margin: 6px 0 0; }
.cont-links { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }
.cont-links .button { min-height: 42px; padding: 6px 14px; }
.dots { display: inline-flex; gap: 4px; margin-left: 8px; vertical-align: middle; }
.dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary); animation: dot 1.2s ease-in-out infinite; }
.dots i:nth-child(2) { animation-delay: 0.15s; }
.dots i:nth-child(3) { animation-delay: 0.3s; }
@keyframes dot { 0%, 100% { transform: translateY(0); opacity: 0.4; } 40% { transform: translateY(-5px); opacity: 1; } }

/* --- bottom: start --- */
.map-start { padding: 18px 24px 30px; text-align: center; background: var(--color-paper); }
.start-flag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; border-radius: 999px; background: var(--color-ink); color: var(--color-paper); font-family: var(--font-heading); font-weight: 800; font-size: var(--size-lg); }
.map-start p { margin: 10px auto 0; max-width: 34ch; }

/* --- lesson sheet --- */
.lesson-sheet { --a-main: var(--color-primary); --a-dark: var(--color-primary-edge); --a-light: var(--color-primary-soft); }
.sheet-head { display: flex; gap: 14px; align-items: center; margin-bottom: 6px; }
.sheet-head h2 { margin: 2px 0; }
.sheet-icon { flex: none; width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; font-size: 30px; background: var(--a-main); border: 4px solid #fff; box-shadow: 0 0 0 2px var(--a-dark), 0 5px 0 2px var(--a-dark); }
.sheet-icon.state-done { background: var(--color-reward); box-shadow: 0 0 0 2px var(--color-reward-edge), 0 5px 0 2px var(--color-reward-edge); }
.sheet-icon.state-locked { background: var(--color-locked); box-shadow: 0 0 0 2px var(--color-locked-edge), 0 5px 0 2px var(--color-locked-edge); }
.sheet-kicker { color: var(--a-dark); font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; font-size: var(--size-xs); }
.sheet-stars { display: flex; gap: 2px; }
.sheet-body { margin: 10px 0 14px; }
.sheet-story { font-size: var(--size-md); }
.sheet-sub { display: block; font-family: var(--font-heading); font-weight: 800; margin: 10px 0 4px; }
.sheet-learn { list-style: none; padding: 0; margin: 0 0 10px; display: grid; gap: 6px; }
.sheet-learn li { display: flex; gap: 8px; align-items: flex-start; }
.sheet-learn .icon { color: var(--color-success); margin-top: 3px; }
.sheet-cando { padding: 10px 12px; border-radius: var(--radius-md); background: var(--color-secondary-soft); color: var(--color-secondary-ink); font-weight: 800; }
.sheet-actions { display: grid; gap: 4px; }
.sheet-close { justify-self: center; }

/* --- chapter reveal --- */
.chapter-reveal {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 52;
  width: min(88vw, 400px);
  transform: translate(-50%, -50%);
  display: grid;
  justify-items: center;
  gap: 4px;
  text-align: center;
  padding: 22px 20px 18px;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-raised);
  animation: reveal-in 520ms var(--motion-spring) both;
}
.chapter-reveal small { color: var(--color-primary-ink); font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.chapter-reveal strong { font-family: var(--font-heading); font-size: var(--size-xxl); font-weight: 800; }
.chapter-reveal p { margin: 4px 0 12px; }
.chapter-reveal button { width: 100%; }
.reveal-sticker { width: 96px; height: 96px; margin-top: -64px; }
@keyframes reveal-in { from { opacity: 0; transform: translate(-50%, -40%) scale(0.8); } to { opacity: 1; transform: translate(-50%, -50%); } }

/* --- dark mode: deeper area tones, illustrations slightly dimmed --- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .area { background: radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--a-main) 22%, transparent) 0 2px, transparent 3px) 0 0 / 26px 26px, linear-gradient(to bottom, color-mix(in srgb, var(--a-dark) 70%, var(--color-paper)), color-mix(in srgb, var(--a-dark) 38%, var(--color-paper)) 240px); }
  :root:not([data-theme="light"]) .area-img, :root:not([data-theme="light"]) .cont-art { filter: brightness(0.82) saturate(0.95); }
  :root:not([data-theme="light"]) .area-art::after { background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--a-dark) 38%, var(--color-paper))); }
  :root:not([data-theme="light"]) .road-top { stroke: color-mix(in srgb, var(--a-light) 22%, var(--color-paper)); }
  :root:not([data-theme="light"]) .clouds::before { background: linear-gradient(to bottom, rgba(58, 69, 96, 0.4), rgba(42, 51, 80, 0.94) 55%); }
  :root:not([data-theme="light"]) .cloud-bank { filter: brightness(0.5) saturate(0.6); }
  :root:not([data-theme="light"]) .lock-label { background: rgba(20, 26, 43, 0.85); color: #AEB5C8; border-color: #46537A; }
  :root:not([data-theme="light"]) .lock-label strong { color: #F4EDE3; }
  :root:not([data-theme="light"]) .node-face, :root:not([data-theme="light"]) .sheet-icon { border-color: var(--color-surface); }
}
:root[data-theme="dark"] .area { background: radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--a-main) 22%, transparent) 0 2px, transparent 3px) 0 0 / 26px 26px, linear-gradient(to bottom, color-mix(in srgb, var(--a-dark) 70%, var(--color-paper)), color-mix(in srgb, var(--a-dark) 38%, var(--color-paper)) 240px); }
:root[data-theme="dark"] .area-img, :root[data-theme="dark"] .cont-art { filter: brightness(0.82) saturate(0.95); }
:root[data-theme="dark"] .area-art::after { background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--a-dark) 38%, var(--color-paper))); }
:root[data-theme="dark"] .road-top { stroke: color-mix(in srgb, var(--a-light) 22%, var(--color-paper)); }
:root[data-theme="dark"] .clouds::before { background: linear-gradient(to bottom, rgba(58, 69, 96, 0.4), rgba(42, 51, 80, 0.94) 55%); }
:root[data-theme="dark"] .cloud-bank { filter: brightness(0.5) saturate(0.6); }
:root[data-theme="dark"] .lock-label { background: rgba(20, 26, 43, 0.85); color: #AEB5C8; border-color: #46537A; }
:root[data-theme="dark"] .lock-label strong { color: #F4EDE3; }
:root[data-theme="dark"] .node-face, :root[data-theme="dark"] .sheet-icon { border-color: var(--color-surface); }

@media (prefers-reduced-motion: reduce) {
  .node.current::before, .node-tip, .avatar { animation: none !important; }
}
.area.state-locked .area-sign { display: none; }

/* Personal line under the HUD: "Dobré ráno, Kamile! …" */
.hud-greeting { margin: 8px 4px 2px; font-weight: 700; color: var(--color-ink, #1F2A44); line-height: 1.4; }