/* Panel flotante de feedback (esquina inferior derecha) */
.os-feedback-root {
  position: fixed;
  right: max(16px, env(safe-area-inset-right, 0px));
  bottom: max(16px, env(safe-area-inset-bottom, 0px));
  z-index: 500;
  font-family: inherit;
}
.os-feedback-root[hidden] {
  display: none !important;
}

.os-feedback-fab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--dg-bd);
  background: var(--dg);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--sh3);
  font-family: inherit;
  transition: filter 0.15s, transform 0.15s;
}
.os-feedback-fab:hover {
  filter: brightness(1.06);
}
.os-feedback-fab[aria-expanded="true"] {
  border-radius: var(--r) var(--r) 0 0;
}
.os-feedback-fab-ico {
  font-size: 16px;
  line-height: 1;
}

.os-feedback-panel {
  position: absolute;
  right: 0;
  bottom: 100%;
  margin-bottom: 8px;
  width: min(340px, calc(100vw - 32px));
  max-height: min(70vh, 480px);
  overflow: auto;
  background: var(--bg);
  border: 1px solid var(--brd);
  border-radius: var(--r);
  box-shadow: var(--sh3);
  padding: 14px 16px 16px;
}
.os-feedback-panel[hidden] {
  display: none !important;
}

.os-feedback-tl {
  font-size: 15px;
  font-weight: 800;
  color: var(--tx);
  margin: 0 0 4px;
}
.os-feedback-sb {
  font-size: 12px;
  color: var(--mu);
  margin: 0 0 12px;
  line-height: 1.5;
}
.os-feedback-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.os-feedback-row label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--mu);
  margin-bottom: 4px;
}
.os-feedback-row select,
.os-feedback-row textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--brd);
  border-radius: var(--rs);
  background: var(--bg2);
  color: var(--tx);
}
.os-feedback-row textarea {
  min-height: 88px;
  resize: vertical;
}
.os-feedback-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.os-feedback-submit {
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--rs);
  border: none;
  background: var(--dg);
  color: #fff;
  cursor: pointer;
  font-family: inherit;
}
.os-feedback-submit:hover:not(:disabled) {
  filter: brightness(1.06);
}
.os-feedback-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.os-feedback-close {
  font-size: 12px;
  font-weight: 600;
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--mu);
  cursor: pointer;
  font-family: inherit;
}
.os-feedback-msg {
  font-size: 12px;
  margin: 0;
  flex: 1;
  min-width: 120px;
}
.os-feedback-msg[hidden] {
  display: none;
}
.os-feedback-msg--ok { color: var(--dg); font-weight: 600; }
.os-feedback-msg--error { color: var(--red); }
.os-feedback-msg--info { color: var(--mu); }

@media (max-width: 480px) {
  .os-feedback-root {
    right: max(10px, env(safe-area-inset-right, 0px));
    bottom: max(10px, env(safe-area-inset-bottom, 0px));
  }
  .os-feedback-fab {
    padding: 10px 14px;
    font-size: 12px;
  }
  .os-feedback-panel {
    width: calc(100vw - 20px);
    right: -6px;
  }
}