Pixeldrain Key Remapper

Customize, disable, and import/export Pixeldrain keyboard shortcuts with a UI

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Pixeldrain Key Remapper
// @namespace    https://github.com/hamzaharoon1314/Pixeldrain-Key-Remapper
// @version      1.5.2
// @description  Customize, disable, and import/export Pixeldrain keyboard shortcuts with a UI
// @author       Hamza Haroon
// @match        https://pixeldrain.com/*
// @match        https://pixeldrain.net/*
// @icon         https://pixeldrain.com/favicon.ico
// @homepageURL  https://github.com/hamzaharoon1314/Pixeldrain-Key-Remapper
// @supportURL   https://github.com/hamzaharoon1314/Pixeldrain-Key-Remapper/issues
// @run-at       document-end
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_registerMenuCommand
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==

(function () {
  'use strict';

  /* ═══════════════════════════════════════════════════════════════════════════
     SHORTCUT DEFINITIONS
     All keyboard shortcuts found in file_viewer.js via keydown handler.
  ═══════════════════════════════════════════════════════════════════════════ */
  const SHORTCUTS = [
    { key: 'ArrowLeft',  label: 'Previous item',          category: 'Navigation' },
    { key: 'a',          label: 'Previous item (alt)',     category: 'Navigation' },
    { key: 'ArrowRight', label: 'Next item',              category: 'Navigation' },
    { key: 'd',          label: 'Next item (alt)',         category: 'Navigation' },
    { key: ' ',          label: 'Toggle playback',         category: 'Playback'   },
    { key: 'm',          label: 'Toggle mute',             category: 'Playback'   },
    { key: 'r',          label: 'Toggle repeat',           category: 'Playback'   },
    { key: 'h',          label: 'Seek −20 seconds',        category: 'Seek'       },
    { key: 'j',          label: 'Seek −5 seconds',         category: 'Seek'       },
    { key: 'k',          label: 'Seek +5 seconds',         category: 'Seek'       },
    { key: 'l',          label: 'Seek +20 seconds',        category: 'Seek'       },
    { key: ',',          label: 'Previous frame',          category: 'Seek'       },
    { key: '.',          label: 'Next frame',              category: 'Seek'       },
    { key: 's',          label: 'Download file',           category: 'File'       },
    { key: 'S',          label: 'Download list (Shift+S)', category: 'File'       },
    { key: 'c',          label: 'Copy link',               category: 'File'       },
    { key: 'u',          label: 'Pick files',              category: 'File'       },
    { key: 'i',          label: 'Toggle info panel',       category: 'UI'         },
    { key: 'e',          label: 'Toggle edit panel',       category: 'UI'         },
    { key: 'g',          label: 'Toggle fullscreen',       category: 'UI'         },
    { key: 'q',          label: 'Close window',            category: 'UI'         },
    { key: 'Escape',     label: 'Close modal / dialog',    category: 'UI'         },
  ];

  const CATEGORIES = ['Navigation', 'Playback', 'Seek', 'File', 'UI'];

  const CAT_META = {
    Navigation: { icon: '◈', color: '#60a5fa', glow: 'rgba(96,165,250,0.15)'  },
    Playback:   { icon: '◉', color: '#c084fc', glow: 'rgba(192,132,252,0.15)' },
    Seek:       { icon: '◀▶', color: '#34d399', glow: 'rgba(52,211,153,0.15)' },
    File:       { icon: '◫', color: '#fbbf24', glow: 'rgba(251,191,36,0.15)'  },
    UI:         { icon: '◻', color: '#f87171', glow: 'rgba(248,113,113,0.15)' },
  };

  /* ═══════════════════════════════════════════════════════════════════════════
     KEY DISPLAY
  ═══════════════════════════════════════════════════════════════════════════ */
  const KEY_DISPLAY = {
    ' ':        'SPACE',  'ArrowLeft':  '← LEFT',  'ArrowRight': '→ RIGHT',
    'ArrowUp':  '↑ UP',   'ArrowDown':  '↓ DOWN',  'Escape':     'ESC',
    'Enter':    'ENTER',  'Backspace':  'BKSP',     'Tab':        'TAB',
    'Delete':   'DEL',    'Home':       'HOME',     'End':        'END',
    'PageUp':   'PG UP',  'PageDown':   'PG DN',    'Insert':     'INS',
    ',':        ', (,)',   '.':          '. (.)',
    'F1':'F1','F2':'F2','F3':'F3','F4':'F4','F5':'F5','F6':'F6',
    'F7':'F7','F8':'F8','F9':'F9','F10':'F10','F11':'F11','F12':'F12',
  };
  const MODIFIER_KEYS = new Set([
    'Shift','Control','Alt','Meta','CapsLock','NumLock','ScrollLock','Dead','Unidentified'
  ]);

  function dk(key) {
    if (!key) return '—';
    return KEY_DISPLAY[key] || (key.length === 1 ? key.toUpperCase() : key);
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     STORAGE  (originalKey → customKey)
  ═══════════════════════════════════════════════════════════════════════════ */
  const STORE_KEY  = 'pd_keyremap_v1';
  const ALL_ORIG   = new Set(SHORTCUTS.map(s => s.key));
  let   map        = {};

  function loadMap() {
    try { Object.assign(map, JSON.parse(GM_getValue(STORE_KEY, '{}'))) } catch (_) {}
    SHORTCUTS.forEach(s => { if (map[s.key] === undefined) map[s.key] = s.key; });
  }
  function saveMap()  { GM_setValue(STORE_KEY, JSON.stringify(map)); }
  function resetAll() { SHORTCUTS.forEach(s => { map[s.key] = s.key; }); saveMap(); }

  loadMap();

  // Reverse: customKey → originalKey  (first wins on collision)
  function revMap() {
    const r = {};
    for (const [orig, cust] of Object.entries(map)) if (!r[cust]) r[cust] = orig;
    return r;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     CAPTURE STATE
  ═══════════════════════════════════════════════════════════════════════════ */
  let capturing      = false;
  let captureOrigKey = null;
  let captureBadge   = null;
  let captureRow     = null;

  function cancelCapture() {
    if (!capturing) return;
    if (captureBadge) {
      captureBadge.className = 'pkr-badge pkr-cust';
      captureBadge.textContent = dk(map[captureOrigKey]);
    }
    capturing = false; captureOrigKey = null; captureBadge = null; captureRow = null;
    status('Cancelled', 'dim');
  }

  function commitCapture(newKey) {
    if (newKey === null) return;
    map[captureOrigKey] = newKey;
    saveMap();
    const isModified = newKey !== captureOrigKey;
    captureBadge.className = 'pkr-badge pkr-cust pkr-saved';
    captureBadge.textContent = dk(newKey);
    captureRow.classList.toggle('pkr-modified', isModified);
    const lbl = SHORTCUTS.find(s => s.key === captureOrigKey)?.label || captureOrigKey;
    status(`✓  ${lbl}  →  ${dk(newKey)}`, 'ok');
    setTimeout(() => { if (captureBadge) captureBadge.className = 'pkr-badge pkr-cust'; }, 900);
    capturing = false; captureOrigKey = null; captureBadge = null; captureRow = null;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     KEY INTERCEPTION
  ═══════════════════════════════════════════════════════════════════════════ */
  let isSynth = false;
  let modalEl = null;

  document.addEventListener('keydown', e => {
    if (isSynth) return;
    if (e.ctrlKey || e.altKey || e.metaKey) return;

    /* — Close modal on Escape — */
    if (e.key === 'Escape' && modalEl && !capturing) {
      e.stopImmediatePropagation();
      e.preventDefault();
      closeModal();
      return;
    }

    /* — Key capture mode — */
    if (capturing) {
      // If focus moved to search, cancel silently
      if (document.activeElement && document.activeElement.id === 'pkr-search') {
        cancelCapture(); return;
      }
      e.stopImmediatePropagation();
      e.preventDefault();
      if (MODIFIER_KEYS.has(e.key)) return;       // wait for real key
      if (e.key === 'Escape') { cancelCapture(); return; }

      // Conflict check
      const conflict = SHORTCUTS.find(s => s.key !== captureOrigKey && map[s.key] === e.key);
      if (conflict) {
        captureBadge.className = 'pkr-badge pkr-cust pkr-conflict';
        captureBadge.textContent = '✕ TAKEN';
        status(`"${dk(e.key)}" already bound to: ${conflict.label}`, 'err');
        setTimeout(() => {
          if (capturing && captureBadge) {
            captureBadge.className = 'pkr-badge pkr-cust pkr-capturing';
            captureBadge.textContent = 'PRESS KEY';
            status('Try a different key  ·  Esc to cancel', 'warn');
          }
        }, 1600);
        return;
      }
      commitCapture(e.key);
      return;
    }

    /* — Skip text inputs — */
    const el = document.activeElement;
    if (el) {
      const tag  = el.tagName;
      const type = (el.type || '').toLowerCase();
      if (tag === 'TEXTAREA' || (tag === 'INPUT' &&
          ['text','email','search','number','password','url'].includes(type))) return;
    }

    /* — Remap logic — */
    const rm   = revMap();
    const orig = rm[e.key];

    // 🔴 If key is disabled → block it
    if (orig !== undefined && map[orig] === null) {
    e.stopImmediatePropagation();
    e.preventDefault();
    return;
    }

    if (orig !== undefined && orig !== e.key) {
    // Custom key pressed → fire original
    e.stopImmediatePropagation();
    e.preventDefault();
    isSynth = true;
    (e.target || document.body).dispatchEvent(new KeyboardEvent('keydown', {
        key: orig, bubbles: true, cancelable: true, shiftKey: orig === 'S',
    }));
    isSynth = false;
    }
    else if (orig === e.key) {
    // Identity mapping → let through
    }
    else if (ALL_ORIG.has(e.key) && map[e.key] !== e.key) {
    // Original key remapped OR disabled → block
    e.stopImmediatePropagation();
    }
  }, true);

  /* ═══════════════════════════════════════════════════════════════════════════
     STYLES
  ═══════════════════════════════════════════════════════════════════════════ */
  const CSS = `
    @import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=DM+Mono:wght@400;500&display=swap');

    #pkr-fab {
      position: fixed; bottom: 22px; right: 22px; z-index: 2147483647;
      width: 48px; height: 48px; border-radius: 14px;
      background: #0f1117;
      border: 1px solid rgba(255,255,255,0.1);
      cursor: pointer; font-size: 22px;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 0 0 1px rgba(96,165,250,0.15), 0 8px 24px rgba(0,0,0,0.5);
      transition: transform .2s cubic-bezier(.34,1.56,.64,1), box-shadow .2s, border-color .2s;
      user-select: none;
    }
    #pkr-fab:hover {
      transform: scale(1.1) rotate(-8deg);
      border-color: rgba(96,165,250,0.5);
      box-shadow: 0 0 0 1px rgba(96,165,250,0.3), 0 8px 32px rgba(0,0,0,0.6), 0 0 20px rgba(96,165,250,0.12);
    }
    #pkr-fab-dot {
      position: absolute; top: 6px; right: 6px;
      width: 8px; height: 8px; border-radius: 50%;
      background: #60a5fa;
      box-shadow: 0 0 6px rgba(96,165,250,0.8);
      display: none;
    }
    #pkr-fab-dot.active { display: block; }

    #pkr-overlay {
      position: fixed; inset: 0;
      background: rgba(5,6,10,0.82);
      backdrop-filter: blur(10px) saturate(0.7);
      z-index: 2147483646;
      display: flex; align-items: center; justify-content: center;
      animation: pkrFadeIn .18s ease;
    }
    @keyframes pkrFadeIn { from { opacity:0 } to { opacity:1 } }

    #pkr-panel {
      width: 700px; max-width: calc(100vw - 32px); max-height: calc(100vh - 48px);
      background: #0b0d14;
      border: 1px solid rgba(255,255,255,0.07);
      border-radius: 20px;
      display: flex; flex-direction: column; overflow: hidden;
      box-shadow:
        0 0 0 1px rgba(96,165,250,0.05),
        0 40px 80px rgba(0,0,0,0.75),
        inset 0 1px 0 rgba(255,255,255,0.04);
      animation: pkrSlideUp .28s cubic-bezier(.34,1.56,.64,1);
      font-family: 'Syne', system-ui, sans-serif;
    }
    @keyframes pkrSlideUp {
      from { transform: translateY(40px) scale(.95); opacity:0 }
      to   { transform: none; opacity:1 }
    }

    /* ── Header ── */
    #pkr-header {
      padding: 22px 26px 18px;
      border-bottom: 1px solid rgba(255,255,255,0.045);
      display: flex; align-items: center; gap: 16px; flex-shrink: 0;
    }
    #pkr-logo {
      width: 46px; height: 46px; border-radius: 13px; flex-shrink: 0;
      background: linear-gradient(135deg,rgba(96,165,250,0.12) 0%,rgba(192,132,252,0.12) 100%);
      border: 1px solid rgba(96,165,250,0.18);
      display: flex; align-items: center; justify-content: center;
      font-size: 22px;
    }
    #pkr-header-text { flex: 1; min-width: 0; }
    #pkr-title {
      font-size: 18px; font-weight: 800; color: #f1f5f9;
      letter-spacing: -0.5px; line-height: 1.1;
    }
    #pkr-subtitle { font-size: 12px; color: #3f4860; margin-top: 4px; font-weight: 600; letter-spacing: .3px; }
    #pkr-close {
      width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0;
      background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07);
      color: #4b5563; cursor: pointer; font-size: 15px;
      display: flex; align-items: center; justify-content: center;
      transition: background .15s, color .15s, border-color .15s;
    }
    #pkr-close:hover { background: rgba(248,113,113,.13); color: #f87171; border-color: rgba(248,113,113,.2); }

    /* ── Body ── */
    #pkr-body {
      flex: 1; overflow-y: auto; padding: 18px 22px;
      scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.06) transparent;
    }
    #pkr-body::-webkit-scrollbar { width: 5px; }
    #pkr-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,.06); border-radius: 3px; }

    #pkr-search-wrap {
      position: relative; margin-bottom: 18px;
    }
    #pkr-search-icon {
      position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
      color: #2d3348; font-size: 14px; pointer-events: none;
    }
    #pkr-search {
      width: 100%; box-sizing: border-box;
      background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
      border-radius: 11px; padding: 10px 14px 10px 36px;
      color: #c9d1e8; font-size: 13px; font-family: inherit; font-weight: 600;
      outline: none; transition: border-color .15s, background .15s;
    }
    #pkr-search::placeholder { color: #2d3348; }
    #pkr-search:focus {
      border-color: rgba(96,165,250,0.3);
      background: rgba(96,165,250,0.03);
    }

    /* ── Section ── */
    .pkr-section { margin-bottom: 20px; }
    .pkr-sec-hdr {
      display: flex; align-items: center; gap: 8px;
      padding: 6px 10px 6px 0; margin-bottom: 6px;
    }
    .pkr-sec-dot {
      width: 6px; height: 6px; border-radius: 2px; flex-shrink: 0;
    }
    .pkr-sec-icon { font-size: 13px; }
    .pkr-sec-name {
      font-size: 10.5px; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase;
    }
    .pkr-sec-count { margin-left: auto; font-size: 10px; color: #1e2433; font-weight: 600; }

    /* ── Row ── */
    .pkr-row {
      display: grid;
      grid-template-columns: 1fr 90px 16px 90px 28px;
      align-items: center; gap: 8px;
      padding: 7px 10px; border-radius: 10px;
      transition: background .12s; border: 1px solid transparent;
    }
    .pkr-row:hover { background: rgba(255,255,255,.022); }
    .pkr-row.pkr-modified {
      background: rgba(96,165,250,.04);
      border-color: rgba(96,165,250,.07);
    }

    .pkr-label {
      font-size: 13px; color: #8b96b8; font-weight: 600;
      overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    }
    .pkr-modified .pkr-label { color: #7eb3fb; }

    .pkr-arrow { color: #1e2433; font-size: 12px; text-align: center; font-weight: 700; }

    /* ── Badges ── */
    .pkr-badge {
      display: inline-flex; align-items: center; justify-content: center;
      padding: 5px 8px; border-radius: 8px;
      font-size: 10.5px; font-weight: 500; letter-spacing: .6px;
      font-family: 'DM Mono', 'Fira Code', 'Cascadia Code', ui-monospace, monospace;
      white-space: nowrap; width: 100%; box-sizing: border-box; text-align: center;
      transition: all .15s;
    }
    .pkr-orig {
      background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.05);
      color: #2d3a50;
    }
    .pkr-modified .pkr-orig { text-decoration: line-through; color: #1e2733; }

    .pkr-cust {
      background: rgba(96,165,250,.08); border: 1px solid rgba(96,165,250,.16);
      color: #7eb3fb; cursor: pointer;
    }
    .pkr-cust:hover {
      background: rgba(96,165,250,.15); border-color: rgba(96,165,250,.35);
      color: #bfdbfe; transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(96,165,250,.12);
    }
    .pkr-cust.pkr-capturing {
      background: rgba(251,191,36,.08); border-color: rgba(251,191,36,.35);
      color: #fcd34d;
      animation: pkrPulse 1.1s ease-in-out infinite;
    }
    @keyframes pkrPulse {
      0%,100% { box-shadow: 0 0 0 0 rgba(251,191,36,0.25) }
      50%      { box-shadow: 0 0 0 7px rgba(251,191,36,0) }
    }
    .pkr-cust.pkr-conflict {
      background: rgba(248,113,113,.1); border-color: rgba(248,113,113,.35);
      color: #fca5a5;
      animation: pkrShake .4s ease;
    }
    @keyframes pkrShake {
      0%,100% { transform:none } 20% { transform:translateX(-5px) }
      60%      { transform:translateX(5px) }  80% { transform:translateX(-2px) }
    }
    .pkr-cust.pkr-saved {
      background: rgba(52,211,153,.1); border-color: rgba(52,211,153,.3);
      color: #6ee7b7;
    }

    .pkr-rst {
      width: 26px; height: 26px; border-radius: 7px;
      background: transparent; border: 1px solid transparent;
      color: #1e2433; cursor: pointer; font-size: 14px;
      display: flex; align-items: center; justify-content: center;
      transition: all .15s; opacity: 0;
    }
    .pkr-row:hover .pkr-rst,
    .pkr-modified .pkr-rst { opacity: 1; color: #3f4860; }
    .pkr-rst:hover { background: rgba(255,255,255,.06); color: #8b96b8; border-color: rgba(255,255,255,.07); }

    /* ── Footer ── */
    #pkr-footer {
      padding: 14px 22px; flex-shrink: 0;
      border-top: 1px solid rgba(255,255,255,.04);
      display: flex; align-items: center; gap: 10px;
    }
    #pkr-status {
      flex: 1; font-size: 12px; font-weight: 600;
      color: #2d3348; text-align: center;
      transition: color .2s; letter-spacing: .2px;
    }
    .pkr-btn {
      padding: 8px 16px; border-radius: 9px; font-size: 12px; font-weight: 700;
      cursor: pointer; transition: all .15s; letter-spacing: .4px;
      font-family: inherit;
    }
    .pkr-btn-ghost {
      background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.07);
      color: #4b5563;
    }
    .pkr-btn-ghost:hover { background: rgba(255,255,255,.07); color: #94a3b8; }
    .pkr-btn-danger {
      background: rgba(248,113,113,.07); border: 1px solid rgba(248,113,113,.14);
      color: #f87171;
    }
    .pkr-btn-danger:hover { background: rgba(248,113,113,.14); border-color: rgba(248,113,113,.28); color: #fca5a5; }

    /* ── No results ── */
    #pkr-empty {
      text-align: center; padding: 40px 20px;
      color: #1e2433; font-size: 13px; font-weight: 600; display: none;
    }
  `;

  /* ═══════════════════════════════════════════════════════════════════════════
     STATUS BAR
  ═══════════════════════════════════════════════════════════════════════════ */
  const STATUS_COLORS = { ok: '#34d399', err: '#f87171', warn: '#fbbf24', dim: '#2d3348' };
  let statusTimer = null;

  function status(msg, type = 'dim') {
    const el = document.getElementById('pkr-status');
    if (!el) return;
    el.style.color = STATUS_COLORS[type] || STATUS_COLORS.dim;
    el.textContent = msg;
    clearTimeout(statusTimer);
    if (type !== 'dim') {
      statusTimer = setTimeout(() => {
        el.style.color = STATUS_COLORS.dim;
        el.textContent = 'Click any key badge to remap it';
      }, 2600);
    }
  }

  // ═══════════════════════════════════════════════════════════════════════════
// IMPORT / EXPORT
// ═══════════════════════════════════════════════════════════════════════════

// Export mapping to file
function exportConfig() {
  const dataStr = JSON.stringify(map, null, 2);
  const blob = new Blob([dataStr], { type: 'application/json' });

  const a = document.createElement('a');
  a.href = URL.createObjectURL(blob);
  a.download = 'pixeldrain-keymap.json';
  a.click();

  status('Exported keymap ✓', 'ok');
}

// Import mapping from file
function importConfig(file) {
  const reader = new FileReader();

  reader.onload = function (e) {
    try {
      const imported = JSON.parse(e.target.result);

      // Validate keys
      for (const k of Object.keys(imported)) {
        if (!ALL_ORIG.has(k)) continue;
        map[k] = imported[k];
      }

      saveMap();
      refreshUI();
      updateFabDot();

      status('Imported keymap ✓', 'ok');
    } catch (err) {
      status('Invalid JSON file ✕', 'err');
    }
  };

  reader.readAsText(file);
}


  /* ═══════════════════════════════════════════════════════════════════════════
     BUILD UI
  ═══════════════════════════════════════════════════════════════════════════ */
  function init() {
    // Inject styles
    const styleEl = document.createElement('style');
    styleEl.textContent = CSS;
    document.head.appendChild(styleEl);

    // Floating action button
    const fab = document.createElement('button');
    fab.id = 'pkr-fab';
    fab.title = 'Key Remapper — Click to open';
    fab.innerHTML = '⌨️<span id="pkr-fab-dot"></span>';
    fab.addEventListener('click', openModal);
    document.body.appendChild(fab);

    // Update dot indicator if any key is remapped
    updateFabDot();

    // Register Tampermonkey menu command
    GM_registerMenuCommand('⌨️ Open Key Remapper', openModal);
  }

  function updateFabDot() {
    const dot = document.getElementById('pkr-fab-dot');
    if (!dot) return;
    const hasRemap = SHORTCUTS.some(s => map[s.key] !== s.key);
    dot.className = hasRemap ? 'active' : '';
  }

  function refreshUI() {
  document.querySelectorAll('.pkr-row').forEach(row => {
    const k = row.dataset.key;
    if (!k) return;

    const b = row.querySelector('.pkr-cust');

    if (map[k] === null) {
      b.textContent = 'DISABLED';
      b.className = 'pkr-badge pkr-cust pkr-conflict';
      row.classList.add('pkr-modified');
    } else {
      b.textContent = dk(map[k]);
      b.className = 'pkr-badge pkr-cust';
      row.classList.toggle('pkr-modified', map[k] !== k);
    }
  });
}

  /* ═══════════════════════════════════════════════════════════════════════════
     MODAL
  ═══════════════════════════════════════════════════════════════════════════ */
  function openModal() {
    if (modalEl) { closeModal(true); return; }

    const overlay = document.createElement('div');
    overlay.id = 'pkr-overlay';
    overlay.addEventListener('click', e => { if (e.target === overlay) closeModal(); });

    const panel = document.createElement('div');
    panel.id = 'pkr-panel';
    panel.addEventListener('click', e => e.stopPropagation());

    /* Header */
    const hdr = document.createElement('div');
    hdr.id = 'pkr-header';
    hdr.innerHTML = `
      <div id="pkr-logo">⌨️</div>
      <div id="pkr-header-text">
        <div id="pkr-title">Key Remapper</div>
        <div id="pkr-subtitle">PIXELDRAIN · ${SHORTCUTS.length} SHORTCUTS · CHANGES SAVE INSTANTLY</div>
      </div>
      <button id="pkr-close" title="Close  (Esc)">✕</button>
    `;
    hdr.querySelector('#pkr-close').addEventListener('click', () => closeModal());

    /* Body */
    const body = document.createElement('div');
    body.id = 'pkr-body';

    /* Search */
    const searchWrap = document.createElement('div');
    searchWrap.id = 'pkr-search-wrap';
    searchWrap.innerHTML = '<span id="pkr-search-icon">⌕</span>';
    const searchInput = document.createElement('input');
    searchInput.id = 'pkr-search';
    searchInput.type = 'text';
    searchInput.placeholder = 'Search shortcuts…';
    searchInput.addEventListener('input', () => filterRows(searchInput.value));
    searchWrap.appendChild(searchInput);
    body.appendChild(searchWrap);

    /* Column header */
    const colHdr = document.createElement('div');
    colHdr.style.cssText = `
      display:grid; grid-template-columns:1fr 90px 16px 90px 28px; gap:8px;
      padding:0 10px 8px; font-size:9.5px; font-weight:800; letter-spacing:1.2px;
      color:#1e2433; text-transform:uppercase;
    `;
    colHdr.innerHTML = `
      <span>Action</span><span style="text-align:center">Default</span>
      <span></span><span style="text-align:center">Custom</span><span></span>
    `;
    body.appendChild(colHdr);

    /* Sections */
    CATEGORIES.forEach(cat => {
      const shortcuts = SHORTCUTS.filter(s => s.category === cat);
      const meta = CAT_META[cat];

      const sec = document.createElement('div');
      sec.className = 'pkr-section';
      sec.dataset.cat = cat;

      const secHdr = document.createElement('div');
      secHdr.className = 'pkr-sec-hdr';
      secHdr.innerHTML = `
        <div class="pkr-sec-dot" style="background:${meta.color};box-shadow:0 0 6px ${meta.color}55"></div>
        <span class="pkr-sec-icon">${meta.icon}</span>
        <span class="pkr-sec-name" style="color:${meta.color}">${cat}</span>
        <span class="pkr-sec-count">${shortcuts.length} KEY${shortcuts.length > 1 ? 'S' : ''}</span>
      `;
      sec.appendChild(secHdr);

      shortcuts.forEach(s => sec.appendChild(buildRow(s)));
      body.appendChild(sec);
    });

    /* Empty state */
    const empty = document.createElement('div');
    empty.id = 'pkr-empty';
    empty.textContent = 'No shortcuts found.';
    body.appendChild(empty);

    /* Footer */
    const footer = document.createElement('div');
    footer.id = 'pkr-footer';

    // Import button
    const importBtn = document.createElement('button');
    importBtn.className = 'pkr-btn pkr-btn-ghost';
    importBtn.textContent = 'IMPORT';

    importBtn.addEventListener('click', () => {
      const input = document.createElement('input');
      input.type = 'file';
      input.accept = 'application/json';

      input.onchange = e => {
        const file = e.target.files[0];
        if (file) importConfig(file);
      };

      input.click();
    });

    // Export button
    const exportBtn = document.createElement('button');
    exportBtn.className = 'pkr-btn pkr-btn-ghost';
    exportBtn.textContent = 'EXPORT';
    exportBtn.addEventListener('click', exportConfig);

    const resetBtn = document.createElement('button');
    resetBtn.className = 'pkr-btn pkr-btn-danger';
    resetBtn.textContent = '↺  RESET ALL';
    resetBtn.addEventListener('click', doResetAll);

    const statusEl = document.createElement('span');
    statusEl.id = 'pkr-status';
    statusEl.textContent = 'Click any key badge to remap it';

    const closeBtn = document.createElement('button');
    closeBtn.className = 'pkr-btn pkr-btn-ghost';
    closeBtn.textContent = 'CLOSE';
    closeBtn.addEventListener('click', () => closeModal());

    footer.appendChild(importBtn);
    footer.appendChild(exportBtn);
    footer.appendChild(resetBtn);
    footer.appendChild(statusEl);
    footer.appendChild(closeBtn);

    panel.appendChild(hdr);
    panel.appendChild(body);
    panel.appendChild(footer);
    overlay.appendChild(panel);
    document.body.appendChild(overlay);
    modalEl = overlay;

    setTimeout(() => searchInput.focus(), 80);
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     ROW BUILDER
  ═══════════════════════════════════════════════════════════════════════════ */
  function buildRow(s) {
    const { key, label } = s;
    const isModified = map[key] !== key;

    const row = document.createElement('div');
    row.className = 'pkr-row' + (isModified ? ' pkr-modified' : '');
    row.dataset.key = key;
    row.dataset.label = label.toLowerCase();

    const lbl = document.createElement('div');
    lbl.className = 'pkr-label';
    lbl.title = label;
    lbl.textContent = label;

    const origBadge = document.createElement('span');
    origBadge.className = 'pkr-badge pkr-orig';
    origBadge.textContent = dk(key);
    origBadge.title = 'Default key';

    const arrow = document.createElement('div');
    arrow.className = 'pkr-arrow';
    arrow.textContent = '→';

    const custBadge = document.createElement('span');
    custBadge.className = 'pkr-badge pkr-cust';
    custBadge.textContent = map[key] === null ? 'DISABLED' : dk(map[key]);
    custBadge.title = 'Click to remap';
    custBadge.addEventListener('click', () => {
      if (capturing && captureOrigKey === key) { cancelCapture(); return; }
      startCapture(key, custBadge, row);
    });

    const rstBtn = document.createElement('button');
    rstBtn.className = 'pkr-rst';
    rstBtn.title = 'Reset to default';
    rstBtn.textContent = '↺';
    rstBtn.addEventListener('click', e => {
      e.stopPropagation();
      if (capturing && captureOrigKey === key) cancelCapture();
      map[key] = key;
      saveMap();
      custBadge.textContent = dk(key);
      custBadge.className = 'pkr-badge pkr-cust';
      row.classList.remove('pkr-modified');
      updateFabDot();
      status(`Reset: ${label}`, 'dim');
    });

    const disableBtn = document.createElement('button');
    disableBtn.className = 'pkr-rst';
    disableBtn.title = 'Disable shortcut';
    disableBtn.textContent = '✕';

    disableBtn.addEventListener('click', e => {
    e.stopPropagation();
    map[key] = null;
    saveMap();

    custBadge.textContent = 'DISABLED';
    custBadge.className = 'pkr-badge pkr-cust pkr-conflict';

    row.classList.add('pkr-modified');
    updateFabDot();
    status(`Disabled: ${label}`, 'warn');
    });

    row.append(lbl, origBadge, arrow, custBadge, rstBtn, disableBtn);
    return row;
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     CAPTURE
  ═══════════════════════════════════════════════════════════════════════════ */
  function startCapture(origKey, badgeEl, rowEl) {
    if (capturing) cancelCapture();
    capturing = true;
    captureOrigKey = origKey;
    captureBadge = badgeEl;
    captureRow = rowEl;

    badgeEl.className = 'pkr-badge pkr-cust pkr-capturing';
    badgeEl.textContent = 'PRESS KEY';
    status('Press any key  ·  Esc to cancel', 'warn');
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     RESET ALL
  ═══════════════════════════════════════════════════════════════════════════ */
  function doResetAll() {
    if (capturing) cancelCapture();
    resetAll();
    document.querySelectorAll('.pkr-row').forEach(row => {
      const k = row.dataset.key;
      if (!k) return;
      const b = row.querySelector('.pkr-cust');
      if (b) { b.textContent = dk(k); b.className = 'pkr-badge pkr-cust'; }
      row.classList.remove('pkr-modified');
    });
    updateFabDot();
    status('All shortcuts restored to defaults  ✓', 'ok');
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     FILTER
  ═══════════════════════════════════════════════════════════════════════════ */
  function filterRows(q) {
    q = q.toLowerCase().trim();
    let totalVisible = 0;

    document.querySelectorAll('.pkr-row').forEach(row => {
      const show = !q
        || (row.dataset.label || '').includes(q)
        || dk(row.dataset.key || '').toLowerCase().includes(q)
        || (row.dataset.key || '').toLowerCase().includes(q);
      row.style.display = show ? '' : 'none';
      if (show) totalVisible++;
    });

    document.querySelectorAll('.pkr-section').forEach(sec => {
      const vis = [...sec.querySelectorAll('.pkr-row')].some(r => r.style.display !== 'none');
      sec.style.display = vis ? '' : 'none';
    });

    const empty = document.getElementById('pkr-empty');
    if (empty) empty.style.display = totalVisible === 0 ? 'block' : 'none';
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     CLOSE MODAL
  ═══════════════════════════════════════════════════════════════════════════ */
  function closeModal(instant = false) {
    if (capturing) cancelCapture();
    if (!modalEl) return;
    if (instant) { modalEl.remove(); modalEl = null; updateFabDot(); return; }
    modalEl.style.animation = 'pkrFadeIn .15s ease reverse';
    const panel = modalEl.querySelector('#pkr-panel');
    if (panel) panel.style.animation = 'pkrSlideUp .15s ease reverse';
    setTimeout(() => { if (modalEl) { modalEl.remove(); modalEl = null; updateFabDot(); } }, 150);
  }

  /* ═══════════════════════════════════════════════════════════════════════════
     BOOT
  ═══════════════════════════════════════════════════════════════════════════ */
  if (document.body) init();
  else window.addEventListener('DOMContentLoaded', init);

})();