.model-config-button[hidden] {
  display: none !important;
}

.model-config-button:not([hidden]) {
  display: flex;
}

.model-config-overlay {
  --mc-ink: #182132;
  --mc-muted: #647084;
  --mc-line: #dce2eb;
  --mc-panel: #f7f9fc;
  --mc-violet: #6657e8;
  --mc-violet-dark: #5040d4;
  --mc-green: #168c61;
  --mc-amber: #a66208;
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  place-items: center;
  padding: 28px;
  background: rgba(14, 19, 31, .68);
  backdrop-filter: blur(7px);
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.model-config-overlay.is-open {
  display: grid;
  animation: modelConfigFade .16s ease-out;
}

.model-config-dialog {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: min(1040px, calc(100vw - 56px));
  max-height: min(880px, calc(100vh - 56px));
  overflow: hidden;
  color: var(--mc-ink);
  background: #fff;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 20px;
  box-shadow: 0 30px 90px rgba(8, 14, 28, .35), 0 3px 12px rgba(8, 14, 28, .18);
}

.model-config-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 26px 20px;
  border-bottom: 1px solid var(--mc-line);
  background:
    radial-gradient(circle at 0 0, rgba(102, 87, 232, .12), transparent 38%),
    linear-gradient(180deg, #fff, #fbfbfe);
}

.model-config-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 7px;
  color: var(--mc-violet-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.model-config-eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mc-violet);
  box-shadow: 0 0 0 4px rgba(102, 87, 232, .12);
}

.model-config-title {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -.025em;
}

.model-config-subtitle {
  max-width: 660px;
  margin: 7px 0 0;
  color: var(--mc-muted);
  font-size: 13px;
  line-height: 1.55;
}

.model-config-close {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  color: #5b6577;
  background: #fff;
  border: 1px solid var(--mc-line);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color .15s, color .15s, transform .15s;
}

.model-config-close:hover {
  color: var(--mc-violet-dark);
  border-color: #bdb5ff;
  transform: translateY(-1px);
}

.model-config-body {
  min-height: 0;
  padding: 22px 26px 26px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.model-config-section + .model-config-section {
  margin-top: 26px;
}

.model-config-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.model-config-section-heading h3 {
  margin: 0;
  font-size: 14px;
  line-height: 1.35;
}

.model-config-section-heading p {
  margin: 0;
  color: var(--mc-muted);
  font-size: 11px;
}

.model-config-routes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.model-route-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 16px;
  background: var(--mc-panel);
  border: 1px solid var(--mc-line);
  border-radius: 14px;
}

.model-route-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
}

.model-route-number {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  color: #fff;
  background: var(--mc-ink);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
}

.model-route-badge {
  max-width: calc(100% - 34px);
  overflow: hidden;
  padding: 4px 7px;
  color: #525e72;
  background: #fff;
  border: 1px solid #e1e5ec;
  border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-route-title {
  margin: 0;
  font-size: 14px;
  line-height: 1.35;
}

.model-route-copy {
  min-height: 38px;
  margin: 4px 0 14px;
  color: var(--mc-muted);
  font-size: 11px;
  line-height: 1.5;
}

.model-config-field {
  display: block;
  margin-top: 11px;
}

.model-config-label {
  display: block;
  margin-bottom: 6px;
  color: #49566a;
  font-size: 11px;
  font-weight: 700;
}

.model-config-select,
.model-config-input {
  width: 100%;
  min-height: 40px;
  box-sizing: border-box;
  padding: 9px 11px;
  color: var(--mc-ink);
  background: #fff;
  border: 1px solid #cfd6e2;
  border-radius: 10px;
  outline: none;
  font: inherit;
  font-size: 15px;
  transition: border-color .15s, box-shadow .15s;
}

.model-config-model-select {
  padding-right: 34px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 13px;
  font-weight: 600;
}

.model-config-select:focus,
.model-config-input:focus,
.model-config-close:focus-visible,
.model-config-action:focus-visible,
.model-route-test:focus-visible,
.model-key-toggle:focus-visible {
  border-color: var(--mc-violet);
  box-shadow: 0 0 0 3px rgba(102, 87, 232, .16);
}

.model-route-endpoint {
  min-height: 32px;
  margin: 10px 0 0;
  overflow: hidden;
  color: #748095;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.model-route-test {
  min-height: 38px;
  margin-top: auto;
  padding: 8px 11px;
  color: var(--mc-violet-dark);
  background: #fff;
  border: 1px solid #c9c2ff;
  border-radius: 10px;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.model-route-test:hover {
  background: #f3f1ff;
}

.model-provider-grid {
  display: grid;
  gap: 9px;
}

.model-provider-row {
  display: grid;
  grid-template-columns: 185px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 13px 15px;
  border: 1px solid var(--mc-line);
  border-radius: 12px;
}

.model-provider-name-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.model-provider-name {
  font-size: 13px;
  font-weight: 700;
}

.model-provider-status {
  padding: 3px 7px;
  color: #7b5360;
  background: #fff2f5;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
}

.model-provider-status.is-configured {
  color: #11704e;
  background: #eaf8f2;
}

.model-provider-endpoint {
  margin-top: 5px;
  overflow: hidden;
  color: var(--mc-muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-key-wrap {
  position: relative;
}

.model-key-wrap .model-config-input {
  padding-right: 72px;
}

.model-key-toggle {
  position: absolute;
  top: 5px;
  right: 5px;
  min-width: 58px;
  height: 30px;
  color: #5c687a;
  background: #f4f6f9;
  border: 0;
  border-radius: 7px;
  font: inherit;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}

.model-config-security-note,
.model-config-apply-note {
  display: flex;
  gap: 9px;
  margin: 12px 0 0;
  color: var(--mc-muted);
  font-size: 11px;
  line-height: 1.5;
}

.model-config-security-note svg,
.model-config-apply-note svg {
  flex: 0 0 auto;
  margin-top: 1px;
}

.model-config-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 16px 26px;
  background: #fbfcfe;
  border-top: 1px solid var(--mc-line);
}

.model-config-feedback {
  min-height: 18px;
  margin: 0;
  color: var(--mc-muted);
  font-size: 12px;
  line-height: 1.45;
}

.model-config-feedback.is-error { color: #b4233f; }
.model-config-feedback.is-success { color: var(--mc-green); }
.model-config-feedback.is-working { color: var(--mc-amber); }

.model-config-actions {
  display: flex;
  gap: 9px;
}

.model-config-action {
  min-height: 40px;
  padding: 9px 16px;
  border: 1px solid #cfd6e2;
  border-radius: 10px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.model-config-action.secondary {
  color: #4c586b;
  background: #fff;
}

.model-config-action.primary {
  min-width: 150px;
  color: #fff;
  background: var(--mc-violet);
  border-color: var(--mc-violet);
  box-shadow: 0 6px 15px rgba(102, 87, 232, .22);
}

.model-config-action.primary:hover { background: var(--mc-violet-dark); }
.model-config-action:disabled,
.model-route-test:disabled {
  opacity: .55;
  cursor: wait;
}

body.model-config-open {
  overflow: hidden !important;
}

@keyframes modelConfigFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 860px) {
  .model-config-overlay { padding: 14px; }
  .model-config-dialog {
    width: calc(100vw - 28px);
    max-height: calc(100vh - 28px);
  }
  .model-config-routes { grid-template-columns: 1fr; }
  .model-route-copy { min-height: 0; }
  .model-provider-row { grid-template-columns: 1fr; gap: 10px; }
}

@media (max-width: 560px) {
  .model-config-header,
  .model-config-body,
  .model-config-footer { padding-left: 17px; padding-right: 17px; }
  .model-config-section-heading { align-items: flex-start; flex-direction: column; gap: 3px; }
  .model-config-footer { grid-template-columns: 1fr; }
  .model-config-actions { justify-content: stretch; }
  .model-config-action { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .model-config-overlay.is-open { animation: none; }
}