/* Mia Data Viewer — Mia Bazo palette (see ../../css/mia.css) */

*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --surface-2: #f6f3ee;
  --border: #ececec;
  --border-strong: #d8d8d8;
  --text: #333333;
  --muted: #6b6b6b;
  --accent: #c46412;
  --accent-hover: #dd7904;
  --accent-soft: rgba(247, 147, 30, .14);
  --btn-primary: #dd7904;
  --btn-primary-hover: #c46412;
  --on-accent: #ffffff;
  --ok: #1f7a4d;
  --ok-soft: rgba(31, 122, 77, .10);
  --err: #c13936;
  --err-soft: rgba(193, 57, 54, .08);
  --info: #0f6fa8;
  --info-soft: rgba(17, 142, 212, .10);

  --editor-bg: #ffffff;
  --gutter-bg: #faf8f5;
  --gutter-text: #a3a3a3;
  --sel: rgba(247, 147, 30, .22);
  --hover: rgba(221, 121, 4, .05);
  --guide: #ececec;
  --shadow: 0 1px 0 rgba(0, 0, 0, .02);
  --toast-bg: #333333;
  --toast-text: #ffffff;

  --syn-key: #0f5f96;
  --syn-str: #1f7a4d;
  --syn-num: #c46412;
  --syn-bool: #6c58b3;
  --syn-null: #6b6b6b;
  --syn-tag: #0f5f96;
  --syn-attr: #b35a10;
  --syn-aval: #1f7a4d;
  --syn-com: #8a8a8a;
  --syn-pi: #6c58b3;

  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", "SF Mono", Consolas, Menlo, monospace;
  --fs-code: 13px;
  --lh: 20px;
  --pad-y: 10px;
  --radius: 10px;
}

:root[data-theme="dark"] {
  --bg: #15181c;
  --surface: #1d2126;
  --surface-2: #23282e;
  --border: #2b3036;
  --border-strong: #3a4149;
  --text: #e6e8ea;
  --muted: #9aa2ab;
  --accent: #f7a53a;
  --accent-hover: #ffbe63;
  --accent-soft: rgba(247, 147, 30, .15);
  --btn-primary: #dd7904;
  --btn-primary-hover: #c46412;
  --on-accent: #ffffff;
  --ok: #4cc38a;
  --ok-soft: rgba(76, 195, 138, .12);
  --err: #f07b78;
  --err-soft: rgba(240, 123, 120, .13);
  --info: #6cbcf0;
  --info-soft: rgba(108, 188, 240, .12);

  --editor-bg: #181b20;
  --gutter-bg: #1a1e23;
  --gutter-text: #5c646d;
  --sel: rgba(247, 147, 30, .25);
  --hover: rgba(255, 255, 255, .04);
  --guide: #2b3036;
  --shadow: none;
  --toast-bg: #e6e8ea;
  --toast-text: #15181c;

  --syn-key: #7cc4f5;
  --syn-str: #4cc38a;
  --syn-num: #f7a53a;
  --syn-bool: #b3a3f0;
  --syn-null: #9aa2ab;
  --syn-tag: #7cc4f5;
  --syn-attr: #f5bb3b;
  --syn-aval: #4cc38a;
  --syn-com: #6b737c;
  --syn-pi: #b3a3f0;
}

html { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "ss01" on, "cv11" on;
  -webkit-font-smoothing: antialiased;
  color: var(--text);
  background: var(--bg);
}

button, select, input, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.ico {
  width: 16px; height: 16px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

kbd {
  font: 600 11px/1 var(--mono);
  padding: 2px 6px;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--text);
  white-space: nowrap;
}

/* ---------- Header ---------- */

/* Charcoal Mia top bar (same as the other Mia apps); lockup styles live in mia.css. */
.app-header {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 16px;
  background: var(--mb-nav, #333);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .04);
}
.app-header .mia-logo-mark { height: 30px; }
.app-header .mia-logo-mark--orange { display: none; }
.app-header .mia-logo-mark--white { display: block; }
.app-header .mia-logo-word { font-size: 19px; color: #fff; }

.app-header .mode-switch {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .12);
}
.app-header .mode-switch button { color: rgba(255, 255, 255, .72); }
.app-header .mode-switch button:hover { color: #fff; }
.app-header .mode-switch button.active {
  background: var(--btn-primary);
  color: #fff;
  box-shadow: none;
}
.app-header .header-note { color: rgba(255, 255, 255, .6); }
.app-header .icon-btn { color: rgba(255, 255, 255, .78); }
.app-header .icon-btn:hover { color: #fff; background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .14); }
.app-header .nav-link {
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 6px;
  white-space: nowrap;
}
.app-header .nav-link:hover { color: #fff; }

.mode-switch, .view-tabs {
  display: inline-flex;
  padding: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 9px;
}
.mode-switch { margin-left: 10px; }
.mode-switch button, .view-tabs button {
  border: 0;
  background: transparent;
  padding: 4px 16px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
}
.view-tabs button { padding: 3px 12px; font-size: 12.5px; }
.mode-switch button:hover, .view-tabs button:hover { color: var(--text); }
.mode-switch button.active, .view-tabs button.active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .08), 0 0 0 1px var(--border);
}

.header-note {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}
.header-note .ico { width: 14px; height: 14px; }
.header-actions { display: flex; gap: 4px; }

.icon-btn {
  width: 34px; height: 34px;
  display: inline-grid; place-items: center;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.icon-btn-sm { width: 24px; height: 24px; border-radius: 6px; }
.icon-btn-sm .ico { width: 14px; height: 14px; }

:root[data-theme="dark"] .ico-moon, :root:not([data-theme="dark"]) .ico-sun { display: none; }

/* ---------- Layout ---------- */

.workspace {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px 16px 16px;
}

@media (min-width: 961px) {
  body { height: 100vh; overflow: hidden; }
}

.pane {
  container: pane / inline-size;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.pane-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 46px;
  padding: 6px 8px 6px 14px;
  border-bottom: 1px solid var(--border);
}
.pane-title { margin: 0; display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
.lang-tag {
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent);
  background: var(--accent-soft);
}
.pane-tools { margin-left: auto; display: flex; flex-wrap: wrap; align-items: center; gap: 2px; }

.tool {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}
.tool:hover:not(:disabled) { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.tool:disabled { opacity: .4; cursor: default; }
.tool[aria-pressed="true"] { color: var(--accent); background: var(--accent-soft); }
.tool .ico { width: 15px; height: 15px; }

@container pane (max-width: 640px) {
  .tool .label { display: none; }
  .tool { padding: 0 8px; }
}

/* ---------- Editor ---------- */

.editor {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  background: var(--editor-bg);
  overflow: hidden;
}

.gutter {
  position: relative;
  z-index: 0;
  flex: none;
  min-width: calc(var(--digits, 2) * 1ch + 24px);
  padding: var(--pad-y) 10px 80px 12px;
  font: var(--fs-code)/var(--lh) var(--mono);
  text-align: right;
  white-space: pre;
  color: var(--gutter-text);
  background: var(--gutter-bg);
  border-right: 1px solid var(--border);
  overflow: hidden;
  user-select: none;
}

.editor textarea {
  position: relative;
  z-index: 2;
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: var(--pad-y) 14px;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--text);
  caret-color: var(--accent);
  font: var(--fs-code)/var(--lh) var(--mono);
  white-space: pre;
  overflow: auto;
  tab-size: 4;
}
.editor textarea::placeholder { color: var(--muted); opacity: .75; }
.editor textarea::selection, .code-view pre ::selection, .code-view pre::selection { background: var(--sel); }

.error-line {
  position: absolute;
  z-index: 1;
  top: 0; left: 0; right: 0;
  height: var(--lh);
  background: var(--err-soft);
  box-shadow: inset 3px 0 0 var(--err);
  pointer-events: none;
}

.drop-overlay {
  position: absolute;
  z-index: 5;
  inset: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 2px dashed var(--accent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--accent);
  font-weight: 600;
  pointer-events: none;
}
.drop-overlay .ico { width: 28px; height: 28px; }

/* ---------- Status bar ---------- */

.status-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 32px;
  padding: 0 10px 0 12px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
}
.status-bar .spacer { flex: 1; }

.validity {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.validity::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.validity:empty { display: none; }
.validity.ok { color: var(--ok); background: var(--ok-soft); }
.validity.err { color: var(--err); background: var(--err-soft); }

.tree-path { display: inline-flex; align-items: center; gap: 4px; min-width: 0; overflow: hidden; }
.tree-path code {
  font: 12px var(--mono);
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  direction: rtl;
  text-align: left;
  unicode-bidi: plaintext;
  max-width: 40cqw;
}

/* ---------- Actions ---------- */

.actions {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  width: 150px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}
.field select {
  height: 36px;
  padding: 0 8px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
}

.action {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color .12s, color .12s, background .12s;
}
.action:hover { border-color: var(--accent); color: var(--accent); }
.action:active { transform: translateY(1px); }
.action.primary { background: var(--btn-primary); border-color: var(--btn-primary); color: var(--on-accent); }
.action.primary:hover { background: var(--btn-primary-hover); border-color: var(--btn-primary-hover); color: var(--on-accent); }
.actions-sep { height: 1px; margin: 4px 2px; background: var(--border); }

/* ---------- Messages ---------- */

.message { border-bottom: 1px solid var(--border); }
.msg { display: flex; align-items: flex-start; gap: 10px; padding: 10px 10px 10px 14px; }
.msg-ok { --msg: var(--ok); background: var(--ok-soft); }
.msg-err { --msg: var(--err); background: var(--err-soft); }
.msg-info { --msg: var(--info); background: var(--info-soft); }
.msg-icon {
  flex: none;
  width: 20px; height: 20px;
  margin-top: 1px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--msg);
  color: var(--surface);
}
.msg-icon .ico { width: 12px; height: 12px; stroke-width: 3; }
.msg-body { flex: 1; min-width: 0; }
.msg-title { font-weight: 700; color: var(--msg); }
.msg-where { margin-left: 8px; font-size: 12.5px; font-weight: 500; color: var(--muted); }
.msg-detail { margin-top: 1px; font-size: 13px; color: var(--text); overflow-wrap: anywhere; }
.msg-frame {
  margin: 8px 0 2px;
  padding: 8px 10px;
  max-height: 140px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: 12px/1.5 var(--mono);
  white-space: pre;
}
.msg-actions { display: flex; align-items: center; gap: 4px; }

/* ---------- Output ---------- */

.output-body { position: relative; flex: 1; min-height: 0; display: flex; background: var(--editor-bg); }

.code-view { flex: 1; min-width: 0; display: flex; align-items: flex-start; overflow: auto; }
.code-view .gutter {
  position: sticky;
  left: 0;
  z-index: 1;
  min-height: 100%;
  padding-bottom: var(--pad-y);
  overflow: visible;
}
.code-view pre {
  flex: 1 0 auto;
  margin: 0;
  padding: var(--pad-y) 14px;
  font: var(--fs-code)/var(--lh) var(--mono);
  white-space: pre;
  tab-size: 4;
  color: var(--text);
  outline: none;
}
.code-view.wrap .gutter { display: none; }
.code-view.wrap pre { flex: 1 1 auto; min-width: 0; white-space: pre-wrap; overflow-wrap: anywhere; }

.s-key { color: var(--syn-key); }
.s-str { color: var(--syn-str); }
.s-num { color: var(--syn-num); }
.s-bool { color: var(--syn-bool); }
.s-null { color: var(--syn-null); font-style: italic; }
.s-tag { color: var(--syn-tag); }
.s-attr { color: var(--syn-attr); }
.s-aval { color: var(--syn-aval); }
.s-com { color: var(--syn-com); font-style: italic; }
.s-pi { color: var(--syn-pi); }

.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
}
.empty-state svg { width: 56px; height: 56px; margin-bottom: 6px; fill: none; stroke: var(--border-strong); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.empty-title { margin: 0; font-size: 15px; font-weight: 600; color: var(--text); }
.empty-hint { margin: 0 0 12px; font-size: 13px; }

/* ---------- Tree ---------- */

.tree-view {
  flex: 1;
  min-width: 0;
  overflow: auto;
  padding: 10px 8px 24px;
  font: var(--fs-code)/1.75 var(--mono);
  outline: none;
}
.tn-list { list-style: none; margin: 0; padding: 0; }
.tn-list .tn-list { margin-left: 7px; padding-left: 12px; border-left: 1px solid var(--guide); }
.tn:not(.open) > .tn-list { display: none; }

.tn-row {
  display: flex;
  align-items: baseline;
  width: max-content;
  min-width: 100%;
  padding: 0 10px 0 2px;
  border-radius: 5px;
  white-space: nowrap;
  cursor: default;
}
.tn-row.expandable { cursor: pointer; }
.tn-row:hover { background: var(--hover); }
.tn-row.selected { background: var(--sel); }

.tn-toggle { flex: none; width: 16px; text-align: center; color: var(--muted); }
.tn-row.expandable .tn-toggle::before {
  content: "";
  display: inline-block;
  border-style: solid;
  border-width: 4px 0 4px 6px;
  border-color: transparent transparent transparent currentColor;
  transition: transform .12s;
}
.tn.open > .tn-row .tn-toggle::before { transform: rotate(90deg); }

.tn-key { color: var(--syn-key); }
.tn-key.k-root { color: var(--muted); font-style: italic; }
.tn-key.k-index { color: var(--muted); }
.tn-key.k-tag { color: var(--syn-tag); }
.tn-key.k-attr { color: var(--syn-attr); }
.tn-key.k-meta { color: var(--muted); font-style: italic; }
.tn-colon { margin-right: 6px; color: var(--muted); }
.tn-meta { margin-left: 8px; font-size: 12px; color: var(--muted); }
.tn-val { white-space: pre; }
.t-string { color: var(--syn-str); }
.t-number { color: var(--syn-num); }
.t-boolean { color: var(--syn-bool); }
.t-null, .t-empty { color: var(--syn-null); font-style: italic; }
.t-comment { color: var(--syn-com); font-style: italic; }

.tn-more { padding: 2px 0 2px 18px; }
.tn-more button {
  padding: 1px 10px;
  border: 1px dashed var(--border-strong);
  border-radius: 6px;
  background: transparent;
  color: var(--accent);
  font: 12px var(--mono);
  cursor: pointer;
}
.tn-more button:hover { background: var(--accent-soft); }

.tree-error { padding: 12px; color: var(--err); font-family: inherit; }

/* ---------- Buttons, dialogs, toast ---------- */

.btn {
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12.5px; }
.btn-primary { background: var(--btn-primary); border-color: var(--btn-primary); color: var(--on-accent); }
.btn-primary:hover { background: var(--btn-primary-hover); border-color: var(--btn-primary-hover); color: var(--on-accent); }

.dialog {
  width: min(480px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .25);
}
.dialog::backdrop { background: rgba(12, 14, 24, .45); }
.dialog-body { padding: 20px; }
.dialog h2 { margin: 0 0 6px; font-size: 16px; }
.dialog-sub { margin: 0 0 14px; font-size: 13px; color: var(--muted); }
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.text-input {
  width: 100%;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--editor-bg);
  color: var(--text);
}
.text-input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.form-error { margin: 8px 0 0; font-size: 12.5px; color: var(--err); }
.form-error:empty { display: none; }

.shortcuts { width: 100%; margin: 8px 0 14px; border-collapse: collapse; font-size: 13px; }
.shortcuts td { padding: 7px 0; border-bottom: 1px solid var(--border); }
.shortcuts td:last-child { text-align: right; }

.toast {
  position: fixed;
  z-index: 100;
  left: 50%;
  bottom: 24px;
  max-width: calc(100vw - 32px);
  padding: 9px 16px;
  border-radius: 9px;
  background: var(--toast-bg);
  color: var(--toast-text);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transform: translate(-50%, 16px);
  transition: opacity .18s, transform .18s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .workspace { grid-template-columns: minmax(0, 1fr); }
  .pane { height: 62vh; min-height: 340px; }
  .actions { width: auto; flex-direction: row; flex-wrap: wrap; }
  .actions .action { flex: 1 1 130px; justify-content: center; }
  .actions-sep { display: none; }
  .field { flex: 1 1 100%; flex-direction: row; align-items: center; gap: 10px; margin: 0; }
  .field select { flex: 1; }
  .header-note { display: none; }
  .header-actions { margin-left: auto; }
}

@media (max-width: 520px) {
  .app-header { flex-wrap: wrap; gap: 10px; }
  .brand-name { font-size: 15px; }
  .mode-switch { order: 3; margin-left: 0; }
  .workspace { padding: 10px 12px 12px; }
}