/* Karel 2030 — tmavá téma podľa desktop GUI (#0a0a1c / #060610, akcent #44ff88) */
:root {
  --bg:      #0a0a1c;
  --bg-dark: #060610;
  --panel:   #10102a;
  --border:  #26264a;
  --fg:      #d8d8f0;
  --fg-dim:  #8888aa;
  --accent:  #44ff88;
  --accent-dim: #1d6b3c;
  --warn:    #ffcc44;
  --err:     #ff5566;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  display: flex; flex-direction: column;
  background: var(--bg); color: var(--fg);
  font: 14px/1.4 "Segoe UI", system-ui, sans-serif;
  overflow: hidden;
}

h2 { font-size: 13px; margin: 0 0 6px; color: var(--accent); font-weight: 600; }
.hidden { display: none !important; }

/* ===== Toolbar ===== */
#toolbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 6px 10px; background: var(--bg-dark);
  border-bottom: 1px solid var(--border); flex: 0 0 auto;
}
#brand { font-weight: 700; color: var(--accent); margin-right: 8px; display: inline-flex; align-items: center; gap: 6px; }
.tb-sep { width: 1px; align-self: stretch; background: var(--border); margin: 0 4px; }
.brand-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--accent); color: var(--bg-dark); font-weight: 800; font-size: 14px;
}
button.tb, button.ctl, button.act, #dlg-buttons button {
  background: var(--panel); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 12px; cursor: pointer; font: inherit;
}
button.tb:hover:not(:disabled), button.ctl:hover:not(:disabled),
button.act:hover:not(:disabled), #dlg-buttons button:hover { border-color: var(--accent); }
button:disabled { opacity: .4; cursor: default; }
button.tb.accent { background: var(--accent-dim); border-color: var(--accent); }
.tb-label { display: flex; align-items: center; gap: 5px; color: var(--fg-dim); }
#speed { width: 110px; accent-color: var(--accent); }
#examples {
  background: var(--panel); color: var(--fg);
  border: 1px solid var(--border); border-radius: 4px; padding: 3px 6px;
}
#status { margin-left: auto; color: var(--fg-dim); }
#version { color: var(--fg-dim); font-size: 11px; font-family: Consolas, monospace; }
#conn-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--err); }
#conn-dot.on { background: var(--accent); }

/* ===== Main ===== */
#main { flex: 1 1 auto; display: flex; min-height: 0; }
#scene-wrap { flex: 1 1 auto; position: relative; background: var(--bg-dark); }
#scene { width: 100%; height: 100%; display: block; }
#world-title {
  position: absolute; top: 8px; left: 12px;
  color: var(--fg-dim); font-size: 13px; pointer-events: none;
}

#side {
  flex: 0 0 250px; display: flex; flex-direction: column; gap: 8px;
  padding: 8px; background: var(--bg); border-left: 1px solid var(--border);
  overflow-y: auto;
}
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px;
}

/* Navigátor */
#inv-table { width: 100%; border-collapse: collapse; font-size: 13px; }
#inv-table th { text-align: left; color: var(--fg-dim); font-weight: 500; padding: 2px 4px; }
#inv-table td { padding: 3px 4px; border-top: 1px solid var(--border); }
#inv-table td:last-child { text-align: right; color: var(--accent); }
#karel-pos { margin-top: 6px; color: var(--fg-dim); font-size: 12px; }
#view-presets { display: flex; gap: 4px; margin-top: 8px; }
.view-btn {
  flex: 1 1 0; background: var(--bg-dark); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 4px 2px; font-size: 11px; cursor: pointer;
}
.view-btn:hover { border-color: var(--accent); color: var(--fg); }
.view-btn:disabled { opacity: .4; cursor: default; }

/* Taby ovládania */
#ctl-tabs { display: flex; gap: 4px; margin-bottom: 8px; }
.ctl-tab {
  flex: 1 1 0; background: var(--bg-dark); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 4px 4px 0 0;
  padding: 4px; font: inherit; font-size: 12px; cursor: pointer;
}
.ctl-tab.active { background: var(--panel); color: var(--accent); border-bottom-color: var(--accent); }

/* Príkazový režim (log + input) */
#cmd-log {
  height: 120px; overflow-y: auto; background: var(--bg-dark);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px;
  font: 12px Consolas, monospace; margin-bottom: 6px;
}
#cmd-log .in  { color: var(--accent); }
#cmd-log .err { color: var(--err); }
#cmd-input, #cmds-filter {
  width: 100%; background: var(--bg-dark); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px; font: 13px Consolas, monospace;
}
#cmds-filter { margin-bottom: 6px; }

/* Ovládanie */
#dpad {
  display: grid; gap: 4px; justify-content: center; margin-bottom: 8px;
  grid-template-areas: ". f ." "l b r";
}
#ctl-fwd  { grid-area: f; } #ctl-left { grid-area: l; }
#ctl-back { grid-area: b; } #ctl-right{ grid-area: r; }
button.ctl { width: 52px; height: 40px; font-size: 17px; }
#actions { display: flex; flex-wrap: wrap; gap: 4px; }
button.act { flex: 1 1 40%; font-size: 12px; padding: 6px 4px; line-height: 1.2; }

/* ===== Editor + príkazy ===== */
#bottom {
  flex: 0 0 230px; display: flex; gap: 8px;
  padding: 8px; background: var(--bg-dark); border-top: 1px solid var(--border);
  min-height: 0; transition: flex-basis .2s;
}
/* Veľkosti editora */
body.editor-medium #bottom { flex-basis: 420px; }
body.editor-full   #bottom { flex: 1 1 auto; }
body.editor-full   #main   { display: none; }

.editor-size-btn { opacity: .45; }
.editor-size-btn.active { opacity: 1; color: var(--accent); }
/* ===== Editor tabs (Kód / Bloky) ===== */
#editor-wrap { flex: 1 1 auto; display: flex; flex-direction: column; min-width: 0; }
#editor-tabs {
  display: flex; align-items: center; gap: 4px;
  margin-bottom: 4px; flex-shrink: 0;
}
.editor-tab {
  background: var(--panel); color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 6px 6px 0 0;
  padding: 4px 12px; cursor: pointer; font-size: 13px;
  border-bottom: none;
}
.editor-tab.active {
  background: var(--bg-dark); color: var(--fg);
  border-color: var(--accent); border-bottom-color: var(--bg-dark);
}
.editor-tab-spacer { flex: 1; }
#code-panel { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 0; }
#blocks-panel { flex: 1 1 auto; min-height: 0; position: relative; }
#blockly-div { position: absolute; inset: 0; border-radius: 6px; overflow: hidden; }

#editor-wrap .CodeMirror {
  flex: 1 1 auto; height: auto;
  background: var(--bg-dark); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  font: 14px/1.45 Consolas, "Cascadia Mono", monospace;
}
.CodeMirror-gutters { background: var(--panel); border-right: 1px solid var(--border); }
.CodeMirror-linenumber { color: var(--fg-dim); }
.CodeMirror-cursor { border-left: 1px solid var(--accent); }
.CodeMirror-selected { background: #223 !important; }

/* Karel syntax highlighting */
.cm-karel-struct { color: #66aaff; font-weight: bold; }
.cm-karel-cmd    { color: #ffd966; }
.cm-karel-cond   { color: #44dddd; }
.cm-karel-comment{ color: #44bb66; font-style: italic; }
.cm-karel-number { color: #ff99cc; }
.cm-karel-disabled { color: var(--err); text-decoration: line-through; }
.cm-karel-proc   { color: #cc99ff; }

#cmds-panel { flex: 0 0 220px; overflow-y: auto; display: flex; flex-direction: column; }
#cmds-groups { overflow-y: auto; font: 13px Consolas, monospace; }
.cmd-group-hdr {
  color: var(--fg-dim); font-size: 11px; text-transform: uppercase;
  letter-spacing: .5px; margin: 8px 0 2px; user-select: none;
}
.cmd-group-hdr:first-child { margin-top: 0; }
.cmd-item { padding: 2px 6px; border-radius: 4px; cursor: pointer; }
.cmd-item:hover { background: var(--border); }
.cmd-item.struct { color: #66aaff; }
.cmd-item.cond   { color: #44dddd; }
.cmd-item.proc   { color: #cc99ff; }

/* ===== Loading screen ===== */
#loading-screen {
  position: fixed; inset: 0; background: var(--bg-dark);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; transition: opacity .3s;
}
#loading-screen.fade-out { opacity: 0; pointer-events: none; }
#loading-screen.hidden { display: none; }
#loading-box {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.loading-spinner {
  width: 48px; height: 48px;
  border: 5px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
#loading-msg { color: var(--fg); font-size: 15px; opacity: .8; }

/* ===== Dialóg ===== */
#overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
#dialog {
  background: var(--panel); border: 1px solid var(--accent);
  border-radius: 10px; padding: 18px 22px; max-width: 520px; min-width: 320px;
  max-height: 80vh; overflow-y: auto;
}
#dlg-title { margin: 0 0 10px; color: var(--accent); }
#dialog.failure #dlg-title { color: var(--err); }
#dialog.failure { border-color: var(--err); }
#dlg-body { margin-bottom: 14px; }
#dlg-buttons { display: flex; gap: 8px; justify-content: flex-end; }

/* Nastavenia aplikácie (jazyk + skin + vizuál) */
.app-set { display: flex; flex-direction: column; gap: 10px; min-width: 360px; }
.app-set-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.app-set-row span { color: var(--fg); font-size: 14px; }
.app-set-row select { flex: 0 0 auto; min-width: 160px; background: var(--bg-dark); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; font-size: 14px; }
.app-set-hdr { font-size: 12px; font-weight: 600; color: var(--accent); padding: 4px 0 2px;
  border-top: 1px solid var(--border); margin-top: 4px; }
/* Tabuľka vizuálnych nastavení */
.vis-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.vis-table th { color: var(--fg-dim); font-weight: 500; padding: 2px 6px; text-align: left; font-size: 11px; }
.vis-table td { padding: 4px 6px; vertical-align: middle; }
.vis-table td:first-child { color: var(--fg); min-width: 90px; }
.vis-table input[type="color"] { width: 38px; height: 26px; padding: 1px; cursor: pointer;
  border: 1px solid var(--border); border-radius: 4px; background: transparent; }
.vis-tex-name { font-size: 11px; color: var(--fg-dim); margin: 0 4px; max-width: 120px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: middle; }
.vis-note { font-size: 11px; color: var(--warn); margin: 4px 0 0; padding: 0; }

/* Žiacke linky (zdieľanie) */
#dialog.dlg-wide { max-width: 640px; }
#share-links { max-height: 340px; overflow-y: auto; overflow-x: hidden; }
/* karta žiaka — dve línie, nikdy nepretečie do strany */
.share-row { display: flex; flex-direction: column; gap: 4px; margin: 6px 0;
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; }
.share-line1 { display: flex; align-items: center; gap: 8px; }
.share-line2 { display: flex; align-items: center; gap: 6px; }
.share-name { flex: 1 1 auto; min-width: 0; color: var(--accent); font-size: 13px;
  font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.share-stat { flex: 0 0 auto; color: var(--fg-dim); font-size: 12px; white-space: nowrap; }
.share-acts { flex: 0 0 auto; display: flex; gap: 4px; }
.share-url { flex: 1 1 auto; min-width: 0; background: var(--bg-dark); color: var(--fg);
  border: 1px solid var(--border); border-radius: 4px; padding: 3px 6px;
  font: 12px Consolas, monospace; }
.share-copy, .share-del, .prog-view { background: var(--panel); color: var(--fg);
  border: 1px solid var(--border); border-radius: 4px; padding: 3px 8px; cursor: pointer; }
.share-copy:hover, .prog-view:hover { border-color: var(--accent); }
.share-del:hover { border-color: var(--err); }
/* verejná adresa pre linky */
.share-base { display: flex; align-items: center; gap: 6px; margin: 0 0 10px;
  padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.share-base label { flex: 0 0 auto; color: var(--fg-dim); font-size: 12px; }
.share-base input { flex: 1 1 auto; min-width: 0; background: var(--bg-dark); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-size: 13px; }
.share-add { display: flex; gap: 6px; margin-bottom: 8px; }
.share-add input { flex: 1 1 auto; min-width: 0; background: var(--bg-dark); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px; }

/* žiak nevidí učiteľské prvky; admin-only len pre admina */
body.student .teacher-only { display: none !important; }
.admin-only { display: none; }
body.admin .admin-only { display: inline-flex; }
#worlds { background: var(--panel); color: var(--fg); border: 1px solid var(--border); border-radius: 4px; padding: 3px 6px; max-width: 130px; }
h2 .mini-btn {
  background: none; border: none; cursor: pointer; font-size: 13px;
  padding: 0 3px; opacity: .7;
}
h2 .mini-btn:hover { opacity: 1; }

/* ===== Nastavenia sveta (D+E) ===== */
#settings-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 60;
}
#settings-dialog {
  background: var(--panel); border: 1px solid var(--accent); border-radius: 10px;
  width: 600px; max-width: 94vw; max-height: 88vh; display: flex; flex-direction: column;
  padding: 16px 18px;
}
#set-title { margin: 0 0 10px; color: var(--accent); }
#set-tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.set-tab {
  background: var(--bg-dark); color: var(--fg-dim); border: 1px solid var(--border);
  border-bottom: none; border-radius: 6px 6px 0 0; padding: 6px 12px; cursor: pointer; font: inherit;
}
.set-tab.active { background: var(--panel); color: var(--accent); }
/* pevná výška tela → dialóg nemení veľkosť podľa záložky (B3) */
#set-body { height: 380px; overflow-y: auto; padding: 12px 2px; }
.set-pane { display: flex; flex-direction: column; gap: 8px; }
.set-row { display: flex; align-items: center; gap: 8px; }
.set-lbl { flex: 0 0 200px; color: var(--fg-dim); }
.set-num { width: 80px; }
.set-text { flex: 1 1 auto; }
input.set-num, input.set-text, select.set-text, .set-area, .set-list {
  background: var(--bg-dark); color: var(--fg);
  border: 1px solid var(--border); border-radius: 4px; padding: 4px 6px; font: inherit;
}
.set-area { width: 100%; min-height: 70px; resize: vertical; font-family: Consolas, monospace; }
.set-sep { margin: 6px 0 2px; color: var(--accent); font-size: 12px; border-top: 1px solid var(--border); padding-top: 6px; }
.set-note { color: var(--fg-dim); font-size: 12px; font-style: italic; }
.inline { display: inline-flex; align-items: center; gap: 2px; }
.set-cmd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.set-list { width: 100%; font: 12px Consolas, monospace; }
.set-btnrow { display: flex; gap: 6px; margin: 6px 0; }
.set-mini, #set-buttons button, .mini-dialog button {
  background: var(--bg-dark); color: var(--fg); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 12px; cursor: pointer; font: inherit;
}
.set-mini:hover, #set-buttons button:hover { border-color: var(--accent); }
#set-buttons { display: flex; gap: 8px; justify-content: flex-end; border-top: 1px solid var(--border); padding-top: 10px; }
#set-buttons .accent, .mini-dialog .accent { background: var(--accent-dim); border-color: var(--accent); }

/* vnorený mini-dialóg editora podmienky */
.mini-overlay {
  position: absolute; inset: 0; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center; z-index: 70;
}
.mini-dialog {
  background: var(--panel); border: 1px solid var(--accent); border-radius: 10px;
  padding: 16px; width: 420px; max-width: 90vw; max-height: 80vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 6px;
}
.mini-dialog h4 { margin: 0 0 6px; color: var(--accent); }
.set-cond-edit { display: flex; flex-direction: column; gap: 6px; }

/* Rich-text editor (U3/U4) */
.rt-wrap { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.rt-toolbar { display: flex; gap: 2px; background: var(--bg-dark); padding: 3px; border-bottom: 1px solid var(--border); }
.rt-btn {
  background: var(--panel); color: var(--fg); border: 1px solid var(--border);
  border-radius: 4px; min-width: 26px; padding: 2px 6px; cursor: pointer;
  font: bold 13px serif; position: relative;
}
.rt-btn:hover { border-color: var(--accent); }
.rt-area {
  min-height: 90px; max-height: 160px; overflow-y: auto; padding: 8px;
  background: var(--bg-dark); color: var(--fg); font: 14px "Segoe UI", sans-serif;
}
.rt-area:focus { outline: none; }
.rt-area h3 { margin: 4px 0; color: var(--accent); }