/* OpenSquilla Web UI - Config view styles */

/* ─── Stage container (control-center DNA) ───────────────────────────── */

.cfg-stage {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  max-width: none;
  position: relative;
}
.cfg-stage [hidden] { display: none !important; }

.cfg-stage__header {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: var(--sp-4); padding-top: var(--sp-3);
}
.cfg-stage__title-block { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.cfg-stage__eyebrow {
  font-size: var(--fs-2xs); font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-dim);
}
.cfg-stage__title {
  font-size: var(--fs-display);
  font-weight: 700; letter-spacing: 0; line-height: var(--lh-display);
  position: relative;
}
.cfg-stage__title::after {
  content: ""; position: absolute; left: 0; bottom: -8px;
  width: 36px; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  border-radius: 2px;
}
.cfg-stage__subtitle {
  font-size: var(--fs-sm); color: var(--text-muted);
  margin-top: var(--sp-3); max-width: 60ch;
}
.cfg-stage__actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; align-items: center; }

/* Control-center buttons */
.cfg-btn {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px; padding: 0 14px;
  font-size: var(--fs-sm); font-weight: 500;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text);
  cursor: pointer; white-space: nowrap;
  transition: background var(--transition), border-color var(--transition);
}
.cfg-btn:hover { background: var(--bg-hover); border-color: var(--border-focus); }
.cfg-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cfg-btn svg { width: 14px; height: 14px; }
.cfg-btn--ghost { background: transparent; }
.cfg-btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-foreground);
  font-weight: 600;
  box-shadow: 0 1px 0 0 rgba(255,255,255,0.06) inset, 0 6px 16px -8px color-mix(in srgb, var(--accent) 60%, transparent);
}
.cfg-btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

/* Mode toggle (Form / YAML) — pill segmented */
.cfg-mode-toggle {
  display: inline-flex;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.cfg-mode-btn {
  min-height: 40px;
  padding: 4px 14px;
  font-size: var(--fs-xs); font-weight: 600;
  letter-spacing: 0.04em;
  background: transparent; border: 0;
  border-radius: 999px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.cfg-mode-btn:hover { color: var(--text); }
.cfg-mode-btn.is-active {
  background: var(--accent);
  color: var(--accent-foreground);
}
.cfg-mode-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Section tabs — pill underline */
.cfg-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
}
.cfg-tab {
  min-height: 40px;
  padding: 8px 16px;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
}
.cfg-tab:hover { color: var(--text); }
.cfg-tab.is-active {
  color: var(--accent-hover);
  font-weight: 600;
  border-bottom-color: var(--accent);
}
.cfg-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* Search input within toolbar */
.cfg-search-input {
  width: 100%;
  min-height: 40px;
  padding: 7px 12px 7px 32px;
  font-size: var(--fs-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text); outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.cfg-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}

#cfg-form-view,
#cfg-yaml-view {
  max-width: none;
}

/* Mode button group */
#cfg-mode-group { display: flex; gap: 2px; }

/* Tab bar + search row */
.cfg-toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  min-width: 0;
}

#cfg-tab-bar {
  flex: 1 1 auto;
  min-width: 0;
  margin-bottom: 0;
  overflow-x: auto;
}

.cfg-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  flex: 0 1 320px;
  min-width: 220px;
}

.cfg-search-wrap .search-input {
  width: 100%;
  max-width: none;
  padding-left: 34px;
}

.cfg-search-icon {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  left: var(--sp-3);
  top: 50%;
  width: 16px;
  height: 16px;
  color: var(--text-dim);
  line-height: 1;
  pointer-events: none;
  transform: translateY(-50%);
}

.cfg-search-icon svg {
  display: block;
  width: 16px;
  height: 16px;
}

.tab-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

/* Settings groups */
.cfg-settings-group {
  overflow: hidden;
  background: color-mix(in srgb, var(--bg-surface) 82%, var(--bg));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.cfg-settings-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border);
}

.cfg-settings-group-title {
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: 650;
  line-height: 1.3;
}

.cfg-settings-group-meta {
  margin-top: 2px;
  color: var(--text-dim);
  font-size: var(--fs-xs);
}

.cfg-settings-fields {
  padding: 0 var(--sp-4);
}

/* Each config field: label left, value right */
.config-field {
  display: grid !important;
  grid-template-columns: minmax(140px, 190px) minmax(0, 620px);
  align-items: center;
  column-gap: var(--sp-4);
  min-width: 0;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0 !important;
}

.config-field:last-child { border-bottom: none; }

.config-field--object { align-items: start; }

.config-field > .form-label {
  grid-column: 1;
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
}

.config-field--object > .form-label,
.config-field--object > .config-field__label-row { padding-top: 9px; }

.config-field > :nth-child(2) {
  grid-column: 2;
  min-width: 0;
}

/* Input sizing */
.cfg-input-row {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  max-width: 520px;
  min-width: 0;
}

.cfg-input-text {
  flex: 1;
  min-height: 40px;
  min-width: 0;
}

.cfg-input-number {
  min-height: 40px;
  width: 140px;
}

.cfg-input-json {
  width: 100%;
  min-height: 88px;
  max-height: 320px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.5;
}

/* Boolean switch */
.cfg-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  width: fit-content;
  min-height: 40px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: var(--fs-sm);
}

.cfg-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.cfg-switch-track {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
  border: 1px solid var(--border-focus);
  border-radius: 999px;
  background: var(--bg-hover);
  transition: background var(--transition), border-color var(--transition);
}

.cfg-switch-thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--transition), background var(--transition);
}

.cfg-switch input:checked + .cfg-switch-track {
  border-color: color-mix(in srgb, var(--accent) 65%, var(--border));
  background: color-mix(in srgb, var(--accent) 22%, var(--bg-hover));
}

.cfg-switch input:checked + .cfg-switch-track .cfg-switch-thumb {
  background: var(--accent);
  transform: translateX(18px);
}

.cfg-switch input:focus-visible + .cfg-switch-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cfg-switch-text {
  min-width: 64px;
}

/* Object fields */
.cfg-object-field {
  width: 100%;
  max-width: 640px;
}

.cfg-object-field summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  min-height: 38px;
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.cfg-object-field summary::-webkit-details-marker { display: none; }

.cfg-object-summary {
  min-width: 0;
  overflow: hidden;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cfg-object-action {
  flex-shrink: 0;
  color: var(--accent-hover);
  font-size: var(--fs-xs);
  font-weight: 700;
}

.cfg-object-field[open] summary {
  border-bottom-left-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
  border-color: var(--border-focus);
}

.cfg-object-field[open] .cfg-input-json {
  margin-top: var(--sp-2);
}

.cfg-json-error {
  margin-top: var(--sp-1);
  color: var(--danger);
  font-size: var(--fs-xs);
  font-weight: 650;
}

/* Show/hide button */
.config-field .btn[data-cfg-show] { flex-shrink: 0; }

/* Dirty and invalid indicators */
.config-field.field-dirty {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  box-shadow: inset 2px 0 0 var(--accent);
}

.config-field.config-field--invalid {
  background: color-mix(in srgb, var(--danger) 5%, transparent);
  box-shadow: inset 2px 0 0 var(--danger);
}

/* Help icon button + label-row layout */
.config-field__label-row {
  grid-column: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.config-field__label-row > .form-label {
  margin: 0;
  padding: 0;
  overflow: hidden;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
  min-width: 0;
}

.cfg-help-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
  width: 40px;
  height: 40px;
  padding: 0;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 999px;
  background: transparent;
  color: var(--text-dim);
  cursor: help;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.cfg-help-btn:hover,
.cfg-help-btn:focus-visible {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  outline: none;
}
.cfg-help-btn svg { display: block; }

/* Stacked layout for very long keys */
.config-field--stacked {
  grid-template-columns: minmax(0, 1fr) !important;
  row-gap: var(--sp-2);
  padding-top: 12px;
  padding-bottom: 12px;
}
.config-field--stacked .config-field__label-row,
.config-field--stacked > :nth-child(2) {
  grid-column: 1;
}
.config-field--stacked .config-field__label-row {
  align-items: center;
}
.config-field--stacked .config-field__label-row > .form-label {
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  word-break: break-all;
  line-height: 1.35;
}
.config-field--stacked.config-field--object > .form-label,
.config-field--stacked.config-field--object .config-field__label-row {
  padding-top: 0;
}

/* Tooltip for help text */
.cfg-tooltip {
  position: fixed;
  z-index: 1200;
  max-width: 320px;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--bg-surface) 92%, #000);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: var(--radius-md);
  box-shadow: 0 12px 28px -12px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.02) inset;
  color: var(--text);
  font-size: var(--fs-xs);
  line-height: 1.5;
  pointer-events: auto;
  animation: cfg-tooltip-in 120ms ease-out;
}
.cfg-tooltip[hidden] { display: none; }
.cfg-tooltip__body { color: var(--text); }
.cfg-tooltip__arrow {
  position: absolute;
  width: 10px;
  height: 10px;
  background: inherit;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  transform: rotate(45deg);
}
.cfg-tooltip[data-placement="bottom"] .cfg-tooltip__arrow {
  top: -6px;
  border-right: 0;
  border-bottom: 0;
}
.cfg-tooltip[data-placement="top"] .cfg-tooltip__arrow {
  bottom: -6px;
  border-left: 0;
  border-top: 0;
}
@keyframes cfg-tooltip-in {
  from { opacity: 0; transform: translateY(2px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Sticky save bar */
.cfg-stickybar {
  position: sticky;
  bottom: 0;
  z-index: 30;
  margin-top: var(--sp-4);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--bg-surface) 96%, var(--accent) 0%) 0%,
      color-mix(in srgb, var(--bg-surface) 92%, #000) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 -10px 28px -16px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.02) inset;
  animation: cfg-stickybar-in 160ms ease-out;
}
.cfg-stickybar[hidden] { display: none; }
@keyframes cfg-stickybar-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cfg-stickybar__row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px var(--sp-4);
  flex-wrap: wrap;
}
.cfg-stickybar__pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent);
  animation: cfg-stickybar-pulse 1.6s ease-out infinite;
  flex-shrink: 0;
}
@keyframes cfg-stickybar-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent); }
  70%  { box-shadow: 0 0 0 8px color-mix(in srgb, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); }
}
.cfg-stickybar__count {
  font-size: var(--fs-sm);
  color: var(--text);
}
.cfg-stickybar__count strong {
  color: var(--accent);
  font-feature-settings: "tnum" 1;
  font-weight: 700;
  margin-right: 2px;
}
.cfg-stickybar__sep {
  color: var(--text-dim);
}
.cfg-stickybar__diff-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.cfg-stickybar__diff-toggle:hover { color: var(--text); background: var(--bg-hover); }
.cfg-stickybar__diff-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cfg-stickybar__chevron {
  display: inline-flex;
  transition: transform 160ms ease-out;
}
.cfg-stickybar__diff-toggle.is-open .cfg-stickybar__chevron {
  transform: rotate(180deg);
}
.cfg-stickybar__spacer { flex: 1 1 auto; }
.cfg-stickybar__btn { height: 32px; }
.cfg-stickybar__diff {
  border-top: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  padding: var(--sp-3) var(--sp-4);
  max-height: 240px;
  overflow-y: auto;
}
.cfg-stickybar__diff[hidden] { display: none; }

.cfg-diff-row {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr) auto minmax(0, 1fr);
  gap: var(--sp-2);
  align-items: baseline;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  border-bottom: 1px dashed color-mix(in srgb, var(--border) 55%, transparent);
}
.cfg-diff-row:last-child { border-bottom: 0; }

.cfg-diff-key {
  overflow: hidden;
  color: var(--text-muted);
  text-overflow: ellipsis;
}

.cfg-diff-old,
.cfg-diff-new {
  overflow-wrap: anywhere;
}

.cfg-diff-old { color: var(--danger); }
.cfg-diff-arrow { color: var(--text-dim); }
.cfg-diff-new { color: var(--ok); }

/* YAML editor — left gutter rail + monospace polish.
   The gutter is a fixed-width column rendered via the .cfg-yaml-shell
   pseudo-element; line numbers are painted via a repeating linear-gradient
   so the textarea stays a single, cheap, native control. */
.cfg-yaml-shell {
  --cfg-yaml-line-h: 1.45rem;
  --cfg-yaml-gutter-w: 52px;
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
}
.cfg-yaml-shell::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: var(--cfg-yaml-gutter-w);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--bg-surface) 78%, var(--bg)) 0%,
      color-mix(in srgb, var(--bg-surface) 62%, var(--bg)) 100%);
  border-right: 1px solid color-mix(in srgb, var(--border) 90%, transparent);
  pointer-events: none;
  z-index: 0;
}
.cfg-yaml-area {
  position: relative;
  display: block;
  width: 100%;
  min-height: 60vh;
  resize: vertical;
  margin: 0;
  padding: 14px 16px 14px calc(var(--cfg-yaml-gutter-w) + 14px);
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: var(--cfg-yaml-line-h);
  outline: none;
  caret-color: var(--accent);
  tab-size: 2;
  z-index: 1;
}
.cfg-yaml-area:focus { box-shadow: none; }
/* When focused, brighten the shell border for affordance. */
.cfg-yaml-shell:focus-within {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--border));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.02),
    0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);
}

.cfg-empty-state {
  padding: var(--sp-6) 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

/* Responsive */
@media (max-width: 900px) {
  .cfg-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .cfg-search-wrap {
    flex-basis: auto;
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 760px) {
  .cfg-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .cfg-tabs {
    flex-wrap: nowrap;
    mask-image: linear-gradient(
      90deg,
      transparent,
      #000 14px,
      #000 calc(100% - 44px),
      transparent
    );
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-inline: var(--sp-2) var(--sp-8);
    scroll-snap-type: x proximity;
    scroll-padding-inline: var(--sp-2);
    -webkit-mask-image: linear-gradient(
      90deg,
      transparent,
      #000 14px,
      #000 calc(100% - 44px),
      transparent
    );
    -webkit-overflow-scrolling: touch;
  }

  .cfg-tab {
    flex: 0 0 auto;
    min-height: 40px;
    scroll-snap-align: start;
  }

  .cfg-search-wrap {
    flex-basis: auto;
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .cfg-settings-group-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .cfg-settings-fields {
    padding: 0 var(--sp-3);
  }

  .config-field {
    grid-template-columns: minmax(0, 1fr) !important;
    row-gap: var(--sp-2);
  }

  .config-field > .form-label,
  .config-field > .config-field__label-row,
  .config-field > :nth-child(2) {
    grid-column: 1;
  }

  .config-field--object > .form-label,
  .config-field--object > .config-field__label-row {
    padding-top: 0;
  }

  .config-field > .form-label,
  .config-field__label-row > .form-label {
    max-width: 100%;
    overflow-wrap: anywhere;
    text-overflow: clip;
    white-space: normal;
  }

  .cfg-input-row,
  .cfg-object-field {
    max-width: 100%;
  }

  .cfg-object-field summary {
    align-items: flex-start;
  }

  .cfg-object-summary {
    overflow: visible;
    overflow-wrap: anywhere;
    text-overflow: clip;
    white-space: normal;
  }

  .cfg-input-number {
    width: 100%;
    max-width: 180px;
  }

  .cfg-diff-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .cfg-diff-arrow {
    display: none;
  }
}