/* ============================================================
   Duck Console — dark · minimal · rounded
   ============================================================ */

:root {
  --bg: #0d0f13;
  --bg-panel: #14171d;
  --bg-panel-2: #181c24;
  --bg-hover: #1d222c;
  --bg-active: #232936;
  --border: #262c37;
  --border-soft: #1f242e;
  --text: #e8ebf1;
  --text-2: #9aa3b2;
  --text-3: #6b7382;
  --accent: #f6c453;
  --accent-soft: rgba(246, 196, 83, 0.14);
  --accent-line: rgba(246, 196, 83, 0.35);
  --danger: #f0716a;
  --danger-soft: rgba(240, 113, 106, 0.13);
  --ok: #7ad48a;
  --r-lg: 16px;
  --r-md: 12px;
  --r-sm: 9px;
  --r-pill: 999px;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --tr: 150ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { box-sizing: border-box; }

/* the hidden attribute must always win over component display rules */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
}

body {
  background:
    radial-gradient(1100px 520px at 50% -160px, rgba(246, 196, 83, 0.055), transparent 62%),
    var(--bg);
  color: var(--text);
  font: 13.5px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(246, 196, 83, 0.25); }

/* thin scrollbars */
* { scrollbar-width: thin; scrollbar-color: #2b313d transparent; }
*::-webkit-scrollbar { width: 9px; height: 9px; }
*::-webkit-scrollbar-thumb { background: #2b313d; border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: #39404e; background-clip: content-box; border: 2px solid transparent; }
*::-webkit-scrollbar-corner { background: transparent; }

.flex-spacer { flex: 1; }

/* ---------------- buttons ---------------- */

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  padding: 8px 15px;
  font: 600 13px/1 var(--sans);
  color: var(--text);
  background: var(--bg-panel-2);
  cursor: pointer;
  transition: background var(--tr), border-color var(--tr), transform var(--tr), box-shadow var(--tr);
  white-space: nowrap;
  user-select: none;
}
.btn:hover { background: var(--bg-hover); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--accent-line); outline-offset: 2px; }
.btn:disabled { opacity: 0.45; cursor: default; transform: none; }

.btn.primary {
  background: var(--accent);
  color: #211a05;
}
.btn.primary:hover { background: #ffd479; }

.btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-2);
}
.btn.ghost:hover { color: var(--text); background: var(--bg-hover); border-color: #313945; }

.btn.danger-text { color: var(--danger); }
.btn.danger-text:hover { background: var(--danger-soft); border-color: rgba(240, 113, 106, 0.35); }

.btn.small { padding: 6px 12px; font-size: 12.5px; border-radius: var(--r-sm); }
.btn.block { width: 100%; }
.btn.icon { display: inline-grid; place-items: center; padding: 6px 9px; }

.icon-btn {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--text-2);
  border-radius: var(--r-sm);
  padding: 6px;
  cursor: pointer;
  display: inline-grid;
  place-items: center;
}
.icon-btn:hover { color: var(--text); background: var(--bg-hover); }

.only-mobile { display: none; }

/* ---------------- login ---------------- */

.auth-wrap {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(380px, 100%);
  background: linear-gradient(180deg, var(--bg-panel-2), var(--bg-panel));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 36px 34px 26px;
  box-shadow: var(--shadow);
  text-align: center;
}

.auth-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  font-size: 30px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 20px;
}

.auth-card h1 {
  margin: 0 0 4px;
  font-size: 19px;
  letter-spacing: 0.2px;
}

.auth-sub {
  margin: 0 0 22px;
  color: var(--text-2);
  font-size: 13px;
}
.auth-sub strong { color: var(--text); font-weight: 600; }

.field {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--text);
  padding: 11px 18px;
  font: 500 13.5px var(--sans);
  transition: border-color var(--tr), box-shadow var(--tr);
}
.field:focus {
  outline: none;
  border-color: var(--accent-line);
  box-shadow: 0 0 0 3px rgba(246, 196, 83, 0.12);
}
.field::placeholder { color: var(--text-3); }

#loginForm .field { margin-bottom: 12px; text-align: center; }

.auth-error {
  margin: 14px 0 0;
  color: var(--danger);
  background: var(--danger-soft);
  border: 1px solid rgba(240, 113, 106, 0.3);
  border-radius: var(--r-sm);
  padding: 8px 12px;
  font-size: 12.5px;
}

.auth-foot {
  margin: 20px 0 0;
  color: var(--text-3);
  font-size: 11.5px;
}

/* ---------------- top bar ---------------- */

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.2px;
  margin-right: 4px;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-size: 16px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-2);
  font: 600 11.5px var(--mono);
  cursor: default;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); flex: none; }
.chip.dirty .dot { background: var(--accent); }
.chip.dirty { color: var(--accent); border-color: var(--accent-line); }

.api-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(122, 212, 138, 0.15);
  flex: none;
}
.api-dot.down { background: var(--danger); box-shadow: 0 0 0 3px rgba(240, 113, 106, 0.15); }
.api-label { color: var(--text-3); font-size: 11px; font-weight: 600; margin-right: 2px; }

/* ---------------- layout ---------------- */

.main {
  flex: 1;
  min-height: 0;
  display: flex;
  gap: 14px;
  padding: 0 18px 18px;
}

.sidebar {
  width: 272px;
  flex: none;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.search-wrap {
  position: relative;
  padding: 12px 12px 8px;
  flex: none;
}
.search-icon {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  margin-top: -2px;
  color: var(--text-3);
  pointer-events: none;
}
#searchInput {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 8px 12px 8px 34px;
  font: 500 13px var(--sans);
  transition: border-color var(--tr), box-shadow var(--tr);
}
#searchInput:focus {
  outline: none;
  border-color: var(--accent-line);
  box-shadow: 0 0 0 3px rgba(246, 196, 83, 0.1);
}
#searchInput::placeholder { color: var(--text-3); }

/* ---------------- tree ---------------- */

.tree {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 4px 10px 14px;
  font-size: 13px;
}

.trow {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: background 90ms ease, color 90ms ease;
}
.trow:hover { background: var(--bg-hover); color: var(--text); }
.trow.active { background: var(--accent-soft); color: var(--text); }
.trow.dim { opacity: 0.55; }

.trow .chev {
  width: 14px;
  height: 14px;
  flex: none;
  display: grid;
  place-items: center;
  color: var(--text-3);
  transition: transform 140ms ease;
}
.trow .chev svg { display: block; }
.trow.open .chev { transform: rotate(90deg); color: var(--text-2); }
.trow .chev.leaf { visibility: hidden; }

.trow .fname {
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}
.trow.active .fname { font-weight: 600; }

/* file-type dots */
.fdot { width: 7px; height: 7px; border-radius: 3px; flex: none; background: var(--text-3); }
.fdot.dir { background: var(--accent); }
.fdot.js, .fdot.ts, .fdot.code { background: #7fb4ff; }
.fdot.json { background: #c792ea; }
.fdot.md, .fdot.txt { background: #9ece8c; }
.fdot.img { background: #e792c8; }
.fdot.cfg { background: #f0a35c; }

.tree-note {
  padding: 12px 8px;
  color: var(--text-3);
  font-size: 12px;
}
.tree-children { margin-left: 13px; border-left: 1px solid var(--border-soft); padding-left: 4px; }
.tree-children .trow { border-radius: var(--r-sm); }

.search-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 8px 6px;
  color: var(--text-3);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.search-header button {
  appearance: none;
  border: none;
  background: none;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  padding: 0;
}

/* ---------------- viewer ---------------- */

.viewer {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.viewer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  flex: none;
  flex-wrap: wrap;
}

.viewer-title {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}
.viewer-filename {
  font: 600 13.5px var(--mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 46vw;
}
.file-meta { color: var(--text-3); font-size: 12px; white-space: nowrap; }

.dirty-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(246, 196, 83, 0.15);
  flex: none;
}

.viewer-actions { display: flex; align-items: center; gap: 8px; flex: none; }

.viewer-body {
  flex: 1;
  min-height: 0;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* empty state */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-3);
}
.empty-duck {
  font-size: 44px;
  margin-bottom: 10px;
  opacity: 0.9;
  filter: saturate(0.85);
}
.empty-title { margin: 0; color: var(--text-2); font-weight: 600; font-size: 14px; }
.empty-hint { margin: 0; font-size: 12px; }

/* CodeMirror host fills the viewer */
.cm-host {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
}
.cm-host.visible { display: flex; }
.cm-host .CodeMirror {
  flex: 1;
  height: 100%;
  background: transparent;
  font: 13.5px/1.65 var(--mono);
}

/* image view */
.image-view {
  flex: 1;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 26px;
  overflow: auto;
  background:
    repeating-conic-gradient(rgba(255, 255, 255, 0.022) 0% 25%, transparent 0% 50%) 0 0 / 26px 26px,
    var(--bg-panel);
}
.image-view.visible { display: flex; }
.image-view img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--r-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

/* binary / unsupported view */
.binary-view {
  flex: 1;
  display: none;
  align-items: center;
  justify-content: center;
}
.binary-view.visible { display: flex; }
.binary-card {
  text-align: center;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 30px 38px;
  max-width: 340px;
}
.binary-card .big { font-size: 30px; margin-bottom: 10px; }
.binary-card h3 { margin: 0 0 6px; font-size: 14px; }
.binary-card p { margin: 0 0 18px; color: var(--text-2); font-size: 12.5px; word-break: break-all; }

/* ---------------- status bar ---------------- */

.statusbar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 7px 16px;
  border-top: 1px solid var(--border-soft);
  color: var(--text-3);
  font: 500 11.5px var(--mono);
  background: rgba(0, 0, 0, 0.14);
}
.status-save.saved { color: var(--ok); }
.status-save.unsaved { color: var(--accent); }
.status-pos, .status-info { white-space: nowrap; }

/* ---------------- modal ---------------- */

.modal-wrap {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 14, 0.62);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 60;
}

.modal {
  width: min(400px, 100%);
  background: linear-gradient(180deg, var(--bg-panel-2), var(--bg-panel));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
  animation: pop 160ms cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
@keyframes pop {
  from { transform: scale(0.96) translateY(6px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

.modal h3 { margin: 0 0 4px; font-size: 15px; }
.modal .modal-sub { margin: 0 0 16px; color: var(--text-2); font-size: 12.5px; word-break: break-all; }
.modal .modal-sub.danger { color: var(--danger); }
.modal label { display: block; margin: 0 0 6px; color: var(--text-2); font-size: 12px; font-weight: 600; }
.modal .field { border-radius: var(--r-md); margin-bottom: 16px; font-family: var(--mono); font-size: 13px; text-align: left; }
.modal .modal-row { display: flex; justify-content: flex-end; gap: 9px; }

/* ---------------- toasts ---------------- */

.toast-wrap {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 80;
  pointer-events: none;
}

.toast {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--r-pill);
  padding: 9px 18px;
  font: 600 12.5px var(--sans);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  animation: toast-in 180ms ease-out;
}
.toast.ok { border-color: rgba(122, 212, 138, 0.4); }
.toast.err { border-color: rgba(240, 113, 106, 0.45); color: #ffb3ae; }
.toast.out { opacity: 0; transform: translateY(6px); transition: 220ms ease; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

/* ---------------- CodeMirror duck theme ---------------- */

.cm-s-duck.CodeMirror {
  color: #dfe4ee;
  background: transparent;
  font-family: var(--mono);
}
.cm-s-duck .CodeMirror-gutters {
  background: transparent;
  border-right: 1px solid var(--border-soft);
}
.cm-s-duck .CodeMirror-linenumber { color: #454d5c; padding: 0 10px 0 14px; }
.cm-s-duck .CodeMirror-cursor { border-left: 2px solid var(--accent); }
.cm-s-duck .CodeMirror-selected { background: rgba(246, 196, 83, 0.16); }
.cm-s-duck .CodeMirror-focused .CodeMirror-selected { background: rgba(246, 196, 83, 0.19); }
.cm-s-duck .CodeMirror-matchingbracket {
  color: var(--accent) !important;
  background: var(--accent-soft);
  border-radius: 3px;
}
.cm-s-duck span.cm-comment { color: #5c6675; font-style: italic; }
.cm-s-duck span.cm-keyword { color: #c792ea; }
.cm-s-duck span.cm-string, .cm-s-duck span.cm-string-2 { color: #9ece8c; }
.cm-s-duck span.cm-number { color: #f6a35c; }
.cm-s-duck span.cm-def { color: #7fb4ff; }
.cm-s-duck span.cm-variable { color: #dfe4ee; }
.cm-s-duck span.cm-variable-2 { color: #a8c7f0; }
.cm-s-duck span.cm-variable-3, .cm-s-duck span.cm-type { color: #7fd1c0; }
.cm-s-duck span.cm-property { color: #c3ccdd; }
.cm-s-duck span.cm-operator { color: #8b93a3; }
.cm-s-duck span.cm-atom { color: #f6a35c; }
.cm-s-duck span.cm-meta { color: #8b93a3; }
.cm-s-duck span.cm-tag { color: #f0917f; }
.cm-s-duck span.cm-attribute { color: #f6c453; }
.cm-s-duck span.cm-qualifier { color: #d7bfff; }
.cm-s-duck span.cm-builtin { color: #7fd1c0; }
.cm-s-duck span.cm-header { color: #f6c453; font-weight: 700; }
.cm-s-duck span.cm-link { color: #7fb4ff; text-decoration: underline; }
.cm-s-duck span.cm-hr { color: #5c6675; }
.cm-s-duck span.cm-formatting { color: #6b7382; }

.CodeMirror { height: 100%; }

/* ---------------- responsive ---------------- */

@media (max-width: 860px) {
  .only-mobile { display: inline-grid; }
  .brand-name, .api-label, #apiDot { display: none; }
  #restartBtn { display: none; }
  .main { padding: 0 10px 10px; gap: 10px; position: relative; }
  .sidebar {
    position: absolute;
    z-index: 40;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(300px, 84vw);
    box-shadow: var(--shadow);
    transform: translateX(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 170ms ease, opacity 170ms ease;
  }
  .sidebar.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .viewer-filename { max-width: 50vw; }
  .topbar { padding: 10px 12px; flex-wrap: wrap; }
}