/* main.css — Terminal Noir JSON Viewer */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ─────────────────────────────────────────────────
   CSS Custom Properties — Dark (default)
───────────────────────────────────────────────── */
:root {
  --ff-mono  : 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;

  --bg-0     : #080808;   /* deepest background  */
  --bg-1     : #0f0f0f;   /* app chrome          */
  --bg-2     : #131313;   /* panel background    */
  --bg-3     : #1a1a1a;   /* hover / selected    */
  --bg-4     : #222222;   /* input background    */

  --border-0 : #171717;
  --border-1 : #232323;
  --border-2 : #2e2e2e;

  --text-0   : #e4e4e4;   /* primary text        */
  --text-1   : #888888;   /* secondary / muted   */
  --text-2   : #444444;   /* very muted          */
  --text-3   : #2a2a2a;   /* line numbers        */

  --accent   : #00d97e;   /* terminal green      */
  --accent-lo: rgba(0, 217, 126, 0.08);
  --accent-md: rgba(0, 217, 126, 0.18);

  --error    : #ff5555;
  --error-lo : rgba(255, 85, 85, 0.10);

  /* JSON token colours */
  --c-key    : #7eb8f7;   /* keys                */
  --c-str    : #b0e57c;   /* strings             */
  --c-num    : #f7c06e;   /* numbers             */
  --c-bool   : #ff79c6;   /* booleans            */
  --c-null   : #ff6e6e;   /* null                */
  --c-punct  : #555555;   /* brackets, colons    */
}

/* ─────────────────────────────────────────────────
   Light mode overrides
───────────────────────────────────────────────── */
[data-theme="light"] {
  --bg-0     : #f0efe8;
  --bg-1     : #f5f4ed;
  --bg-2     : #ffffff;
  --bg-3     : #ebebdf;
  --bg-4     : #e8e7e0;

  --border-0 : #d8d7cf;
  --border-1 : #c8c7bf;
  --border-2 : #b0b0a8;

  --text-0   : #1a1a1a;
  --text-1   : #666666;
  --text-2   : #999999;
  --text-3   : #bbbbbb;

  --accent   : #007a48;
  --accent-lo: rgba(0, 122, 72, 0.07);
  --accent-md: rgba(0, 122, 72, 0.15);

  --error    : #cc2200;
  --error-lo : rgba(204, 34, 0, 0.08);

  --c-key    : #0055cc;
  --c-str    : #267020;
  --c-num    : #aa6000;
  --c-bool   : #9900bb;
  --c-null   : #cc2200;
  --c-punct  : #aaaaaa;
}

/* ─────────────────────────────────────────────────
   Reset & Base
───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--ff-mono);
  background: var(--bg-0);
  color: var(--text-0);
  font-size: 13px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: var(--ff-mono);
  font-size: 11px;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea {
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--text-0);
  background: var(--bg-4);
  border: 1px solid var(--border-1);
  border-radius: 3px;
  outline: none;
  transition: border-color 0.15s;
}

input:focus, textarea:focus {
  border-color: var(--accent);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-2); }

/* ─────────────────────────────────────────────────
   App Layout  (CSS Grid)
───────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-rows: 36px 1fr 32px;         /* titlebar / body / statusbar */
  grid-template-columns: 158px 1fr 172px;    /* sidebar / main / stats      */
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ─────────────────────────────────────────────────
   Titlebar
───────────────────────────────────────────────── */
.titlebar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border-0);
  user-select: none;
}

.win-dots { display: flex; gap: 6px; flex-shrink: 0; }
.dot {
  width: 11px; height: 11px; border-radius: 50%;
  transition: filter 0.15s;
}
.dot:hover { filter: brightness(1.2); }
.dot-red    { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green  { background: #28c840; }

.titlebar-filename {
  flex: 1;
  font-size: 11px;
  color: var(--text-1);
  letter-spacing: 0.06em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

.titlebar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

#theme-label {
  font-size: 10px;
  color: var(--text-2);
  letter-spacing: 0.1em;
}

/* Toggle switch */
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.toggle {
  width: 30px; height: 15px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}

.toggle::after {
  content: '';
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--text-2);
  position: absolute;
  top: 1px; left: 1px;
  transition: transform 0.2s, background 0.2s;
}

.toggle[data-active="1"] { background: var(--accent-md); border-color: var(--accent); }
.toggle[data-active="1"]::after { transform: translateX(15px); background: var(--accent); }

/* ─────────────────────────────────────────────────
   Sidebar
───────────────────────────────────────────────── */
.sidebar {
  grid-row: 2;
  background: var(--bg-1);
  border-right: 1px solid var(--border-0);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-section {
  padding: 10px 12px 6px;
  border-bottom: 1px solid var(--border-0);
}

.sidebar-label {
  font-size: 9px;
  color: var(--text-2);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* Drop zone — main empty state */
.dropzone {
  border: 1px dashed var(--border-2);
  border-radius: 4px;
  padding: 10px 8px;
  text-align: center;
  cursor: pointer;
  color: var(--text-2);
  font-size: 10px;
  line-height: 1.5;
  transition: border-color 0.15s, background 0.15s;
}

.dropzone:hover, .dropzone.drag-over {
  border-color: var(--accent);
  background: var(--accent-lo);
  color: var(--accent);
}

.dropzone strong { display: block; font-size: 11px; color: var(--text-1); margin-bottom: 2px; }

.dropzone-main {
  width: 100%;
  max-width: 440px;
  min-height: 120px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

.dropzone-main strong {
  font-size: 12px;
  margin-bottom: 4px;
}

.dropzone-line {
  display: block;
  font-size: 10px;
  color: var(--text-2);
  line-height: 1.45;
}

.dropzone:hover .dropzone-line,
.dropzone.drag-over .dropzone-line {
  color: inherit;
}

/* URL fetch — toolbar */
.url-row {
  display: flex;
  gap: 4px;
  align-items: stretch;
}

.url-row input {
  flex: 1;
  min-width: 0;
  padding: 4px 6px;
  font-size: 10px;
}

.url-row button {
  padding: 4px 7px;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 3px;
  color: var(--text-1);
  font-size: 10px;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}

.url-row button:hover { background: var(--accent-md); color: var(--accent); border-color: var(--accent); }

.toolbar-url-row {
  flex: 0 1 280px;
  min-width: 140px;
}

/* Views */
.view-btns {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.view-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 3px;
  font-size: 10px;
  color: var(--text-1);
  text-align: left;
  transition: background 0.12s, color 0.12s;
  letter-spacing: 0.04em;
}

.view-btn:hover { background: var(--bg-3); color: var(--text-0); }
.view-btn.active { background: var(--bg-3); color: var(--accent); }

/* History list */
.history-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

.hist-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 10px;
  color: var(--text-1);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.12s, color 0.12s;
}

.hist-item:hover { background: var(--bg-3); color: var(--text-0); }
.hist-item.active { color: var(--accent); }
.hist-empty { padding: 8px 12px; font-size: 10px; color: var(--text-2); }

/* ─────────────────────────────────────────────────
   Main Panel
───────────────────────────────────────────────── */
.main {
  grid-row: 2;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-2);
}

/* Toolbar */
.toolbar {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 10px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border-0);
  flex-shrink: 0;
}

.toolbar-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.toolbar-row-search {
  flex-wrap: nowrap;
}

.toolbar-row-actions {
  flex-wrap: wrap;
  gap: 6px;
}

.search-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  position: relative;
  min-width: 0;
}

.search-wrap input {
  width: 100%;
  padding: 4px 8px 4px 24px;
  font-size: 11px;
  border-radius: 3px;
}

.search-icon {
  position: absolute;
  left: 7px;
  color: var(--text-2);
  font-size: 11px;
  pointer-events: none;
}

.search-info {
  position: absolute;
  right: 7px;
  font-size: 10px;
  color: var(--accent);
  white-space: nowrap;
}

.search-info.no-match { color: var(--error); }

.toolbar-divider { width: 1px; height: 18px; background: var(--border-1); flex-shrink: 0; }

.toolbar-btn {
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 10px;
  color: var(--text-1);
  border: 1px solid transparent;
  letter-spacing: 0.04em;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  white-space: nowrap;
  flex-shrink: 0;
}

.toolbar-btn:hover { background: var(--bg-3); color: var(--text-0); border-color: var(--border-2); }
.toolbar-btn:active { transform: scale(0.97); }
.toolbar-btn:disabled { opacity: 0.3; pointer-events: none; }

.toolbar-btn.toolbar-btn-clear {
  color: var(--text-2);
}

.toolbar-btn.toolbar-btn-clear:hover {
  color: var(--text-1);
  border-color: var(--border-2);
  background: var(--bg-3);
}

/* Breadcrumb */
.breadcrumb {
  padding: 4px 12px;
  font-size: 10px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border-0);
  background: var(--bg-1);
  min-height: 24px;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Content area */
.content-area {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.main-empty {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 12px;
}

.content-panels {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.content-panels #tree-panel {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.content-panels #tree-panel .tree-container {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.content-panels #raw-panel {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

/* Error banner */
.error-banner {
  padding: 8px 12px;
  background: var(--error-lo);
  border-bottom: 1px solid var(--error);
  color: var(--error);
  font-size: 11px;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────────
   Tree view
───────────────────────────────────────────────── */
#tree-panel { height: 100%; }

.tree-container {
  padding: 8px 0;
  min-height: min-content;
}

.tree-empty {
  padding: 32px 20px;
  color: var(--text-2);
  font-size: 12px;
  text-align: center;
  line-height: 1.8;
}

.tree-row {
  display: flex;
  align-items: baseline;
  gap: 2px;
  padding-top: 1px;
  padding-bottom: 1px;
  padding-right: 12px;
  cursor: default;
  transition: background 0.08s;
  border-radius: 2px;
}

.tree-row:hover { background: var(--bg-3); }
.tree-row.row-match { background: var(--accent-lo); }
.tree-row.dimmed { opacity: 0.25; }

.caret {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  flex-shrink: 0;
  cursor: pointer;
  user-select: none;
}

.caret::before {
  content: '';
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  transition: opacity 0.12s, filter 0.12s;
}

.caret--object::before { background: var(--c-key); }
.caret--array::before  { background: var(--text-1); }
.caret--collapsed::before { opacity: 0.3; }
.caret--expanded::before  { opacity: 1; }
.caret:hover::before { opacity: 1 !important; filter: brightness(1.3); }

.caret-pad { display: inline-block; width: 14px; flex-shrink: 0; }

.summary {
  color: var(--text-2);
  font-size: 11px;
  cursor: pointer;
  font-style: italic;
}
.summary:hover { color: var(--text-1); }

.badge {
  font-size: 9px;
  color: var(--text-2);
  margin-left: 4px;
  font-weight: 400;
}

/* JSON token colours */
.jk    { color: var(--c-key);   cursor: pointer; transition: color 0.1s; }
.jk:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.jstr  { color: var(--c-str);   cursor: pointer; }
.jnum  { color: var(--c-num);   cursor: pointer; }
.jbool { color: var(--c-bool);  cursor: pointer; }
.jnull { color: var(--c-null);  cursor: pointer; }
.punct { color: var(--c-punct); }

/* ─────────────────────────────────────────────────
   Raw / Minified view
───────────────────────────────────────────────── */
#raw-panel {
  height: 100%;
  overflow: auto;
}

.raw-content {
  padding: 8px 0;
  white-space: pre;
  font-size: 12px;
  line-height: 1.7;
  tab-size: 2;
}

.ln {
  display: block;
}

.ln-num {
  display: inline-block;
  min-width: 40px;
  padding-right: 12px;
  color: var(--text-3);
  text-align: right;
  user-select: none;
  font-size: 11px;
}

.raw-minified {
  display: block;
  padding: 12px;
  word-break: break-all;
  white-space: pre-wrap;
  font-size: 11px;
  color: var(--text-1);
}

/* ─────────────────────────────────────────────────
   Stats panel (right sidebar)
───────────────────────────────────────────────── */
.stats-panel {
  grid-row: 2;
  background: var(--bg-1);
  border-left: 1px solid var(--border-0);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-size: 11px;
}

.stats-section {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-0);
}

.stats-label {
  font-size: 9px;
  color: var(--text-2);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 5px;
}

.stat-key { font-size: 10px; color: var(--text-1); }
.stat-val { font-size: 13px; color: var(--accent); font-weight: 500; }

/* Type distribution */
.type-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
  font-size: 10px;
}

.type-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.t-string  { background: var(--c-str);  }
.t-number  { background: var(--c-num);  }
.t-boolean { background: var(--c-bool); }
.t-null    { background: var(--c-null); }
.t-object  { background: var(--c-key);  }
.t-array   { background: var(--text-1); }

.type-name  { flex: 1; color: var(--text-1); }
.type-count { color: var(--text-2); font-size: 10px; }

/* Keyboard shortcuts cheatsheet */
.shortcuts-section {
  padding: 10px 12px;
  flex: 1;
  overflow-y: auto;
}

.shortcut-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 5px;
  font-size: 10px;
}

.shortcut-desc { color: var(--text-1); }
.shortcut-key  { color: var(--text-2); background: var(--bg-3); padding: 1px 5px; border-radius: 2px; font-size: 9px; border: 1px solid var(--border-2); }

/* ─────────────────────────────────────────────────
   Status bar
───────────────────────────────────────────────── */
.statusbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 12px;
  background: var(--bg-0);
  border-top: 1px solid var(--border-0);
  font-size: 10px;
  color: var(--text-2);
  letter-spacing: 0.06em;
  user-select: none;
}

.sb-item { white-space: nowrap; }
.sb-right { margin-left: auto; }

.status-valid   { color: var(--accent); }
.status-invalid { color: var(--error); }

/* ─────────────────────────────────────────────────
   Toast notification
───────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  color: var(--text-0);
  font-size: 11px;
  padding: 6px 14px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 1000;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─────────────────────────────────────────────────
   Responsive — tablets & phones
───────────────────────────────────────────────── */

/* Narrow desktop / small laptop: shrink side columns so main keeps room */
@media (max-width: 1100px) and (min-width: 961px) {
  .app {
    grid-template-columns: minmax(132px, 18vw) 1fr minmax(148px, 20vw);
  }
}

/* Stack layout: JSON first, then sidebar / status below */
@media (max-width: 960px) {
  html, body {
    height: 100dvh;
    height: 100vh;
    overflow: hidden;
    overscroll-behavior: none;
  }

  .app {
    grid-template-columns: 1fr;
    /* titlebar / main / sidebar / status — stats panel hidden */
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    height: 100dvh;
    height: 100vh;
    max-height: 100dvh;
    max-height: 100vh;
    max-width: 100%;
  }

  .titlebar {
    grid-row: 1;
    grid-column: 1 / -1;
    min-height: 44px;
    padding-left: max(10px, env(safe-area-inset-left));
    padding-right: max(10px, env(safe-area-inset-right));
    padding-top: max(0, env(safe-area-inset-top));
  }

  .win-dots {
    display: none;
  }

  .titlebar-filename {
    text-align: left;
    font-size: 10px;
  }

  /* Main JSON area first for quicker reading after load */
  .main {
    grid-row: 2;
    grid-column: 1 / -1;
    min-height: 0;
    border-bottom: 1px solid var(--border-0);
  }

  .sidebar {
    grid-row: 3;
    grid-column: 1 / -1;
    max-height: min(28vh, 220px);
    overflow-y: auto;
    overflow-x: hidden;
    border-right: none;
    border-bottom: 1px solid var(--border-0);
    -webkit-overflow-scrolling: touch;
  }

  /* Stats & shortcuts duplicate status bar / desktop — keep layout light */
  .stats-panel {
    display: none !important;
  }

  .statusbar {
    grid-row: 4;
    grid-column: 1 / -1;
    flex-wrap: wrap;
    row-gap: 4px;
    min-height: 36px;
    padding: 6px 10px;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
    padding-left: max(10px, env(safe-area-inset-left));
    padding-right: max(10px, env(safe-area-inset-right));
  }

  .sb-item {
    white-space: normal;
    word-break: break-word;
  }

  /* Toolbar: search + URL stack, then actions */
  .toolbar {
    gap: 8px;
    padding: 8px 10px;
  }

  .toolbar-row-search {
    flex-wrap: wrap;
    align-items: stretch;
  }

  .search-wrap {
    flex: 1 1 100%;
    min-width: 0;
  }

  .toolbar-url-row {
    flex: 1 1 100%;
    min-width: 0;
  }

  .search-wrap input {
    font-size: 16px; /* avoids iOS zoom-on-focus */
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .toolbar-divider {
    display: none;
  }

  /* Tree-only focus: expand/collapse + second copy action */
  #btn-expand-all,
  #btn-collapse-all,
  #btn-copy-min {
    display: none !important;
  }

  .toolbar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 auto;
    min-height: 40px;
    padding: 8px 10px;
    font-size: 11px;
  }

  .toolbar-btn.toolbar-btn-clear {
    flex: 0 0 auto;
    min-width: 44px;
  }

  .breadcrumb {
    white-space: normal;
    word-break: break-all;
    line-height: 1.5;
    padding: 6px 10px;
  }

  .dropzone-main {
    min-height: 100px;
    padding: 16px 12px;
    font-size: 11px;
  }

  .url-row input {
    font-size: 16px;
    padding: 8px 8px;
  }

  .url-row button {
    min-height: 40px;
    min-width: 44px;
    padding: 8px 12px;
    font-size: 11px;
  }

  /* Tree: slightly larger touch targets */
  .caret,
  .caret-pad {
    min-width: 36px;
    min-height: 36px;
    align-items: center;
  }

  .caret::before {
    width: 8px;
    height: 8px;
  }

  .tree-row {
    padding-top: 3px;
    padding-bottom: 3px;
    padding-left: 2px;
  }

  .toast {
    left: 50%;
    right: auto;
    max-width: calc(100vw - 24px);
    white-space: normal;
    text-align: center;
    bottom: max(52px, calc(44px + env(safe-area-inset-bottom)));
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }

  button,
  .toggle-wrap,
  .dropzone {
    -webkit-tap-highlight-color: transparent;
  }
}

@media (max-width: 960px) and (orientation: landscape) {
  .sidebar {
    max-height: min(24vh, 180px);
  }
}

/* Very small phones */
@media (max-width: 380px) {
  .titlebar-filename {
    font-size: 9px;
  }

  #theme-label {
    display: none;
  }

  .toolbar-btn {
    font-size: 10px;
    padding: 6px 6px;
  }
}

/* ─────────────────────────────────────────────────
   Utility
───────────────────────────────────────────────── */
[hidden] { display: none !important; }