/* ==========================================================================
   UTM Link Generator (utm-generator.php)
   --------------------------------------------------------------------------
   Ergänzung zu bre-core.css, nur Tokens. Klassen in Abschnitt 4 werden von
   assets/js/pages/utm-generator.js erzeugt – Namen daher nicht ändern.
   1  Grundgerüst (Panels, Kopf, Zeilen)
   2  Generator (Parameter, Ergebnis, Shortlink, QR, Hinweis für Gäste)
   3  Dynamische Inhalte (Shortlinks, Meldungen)
   4  Responsive
   ========================================================================== */

/* 1 · Grundgerüst ---------------------------------------------------------- */

/* Wird per JS an- und abgeschaltet */
.hidden {
  display: none !important;
}

.page-hero + .utm {
  padding-top: 0;
}

.utm__stack {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

.utm-panel {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.utm-panel .panel__head {
  margin-bottom: 0;
}

.utm-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem 1.5rem;
}

.utm-panel__head > div {
  flex: 1 1 18rem;
  min-width: 0;
}

.utm-panel__head .label {
  margin-bottom: 0.6rem;
}

.utm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* 2 · Generator ------------------------------------------------------------ */

.utm-builder {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.utm-builder__fields {
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.utm-builder__result {
  position: sticky;
  top: calc(var(--header-h) + 1.25rem);
  display: grid;
  gap: 1.1rem;
  min-width: 0;
  padding: clamp(1.1rem, 2.4vw, 1.5rem);
  border-radius: var(--radius);
  background: var(--paper-2);
}

.utm-params {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

/* Parameter-Label: Kontrollkästchen + Name in Mono */
.field > label.utm-param__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  cursor: pointer;
  font-family: var(--font-mono);
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  color: var(--ink);
}

.utm-param__toggle input {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  accent-color: var(--ink);
}

.utm-param input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: transparent;
}

.utm-result {
  min-height: 140px !important;
  font-family: var(--font-mono) !important;
  font-size: 0.85rem !important;
  line-height: 1.6 !important;
  word-break: break-all;
  resize: vertical;
}

.utm-builder__result .utm-actions .btn {
  flex: 1 1 14rem;
}

.utm-shortlink {
  display: grid;
  gap: 1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.utm-shortlink input {
  font-family: var(--font-mono);
}

.qr-area {
  width: fit-content;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  background: #fff; /* QR-Codes brauchen hellen Grund, auch im Dark Mode */
  border: 1px solid var(--hairline);
}

.qr-area img {
  display: block;
  width: min(200px, 60vw);
  height: auto;
}

.qr-area img[src=""] {
  display: none;
}

/* Hinweis für Gäste: Shortlink und QR-Code gibt es mit dem kostenlosen Account */
.utm-note {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ink-2);
}

.utm-note > i {
  margin-top: 0.2rem;
  color: var(--accent);
}

.utm-note a {
  color: var(--ink);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 3 · Dynamische Inhalte ----------------------------------------------------- */

/* Meldungen: leer = unsichtbar */
.tool-message {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  font-size: 0.92rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.tool-message:empty {
  display: none;
}

.tool-message.success {
  border-left-color: var(--success);
  background: var(--success-soft);
}

.tool-message.error {
  border-left-color: var(--danger);
  background: var(--danger-soft);
}

.tool-message a,
.tool-login-link {
  color: var(--ink);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.my-links-empty {
  padding: 1rem 0;
  font-size: 0.92rem;
  color: var(--ink-3);
}

/* Shortlink-Liste */
.my-links-list {
  display: grid;
  min-width: 0;
}

.my-link-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto auto auto;
  align-items: center;
  gap: 0.6rem 1rem;
  padding-block: 0.95rem;
  border-bottom: 1px solid var(--hairline);
}

.my-links-list > .my-link-item:first-child {
  border-top: 1px solid var(--hairline);
}

.my-link-main {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.my-link-main strong,
.my-link-main span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.my-link-main strong {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
}

.my-link-main span {
  font-size: 0.82rem;
  color: var(--ink-3);
}

.my-link-meta {
  display: flex;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}

.copy-history-link,
.show-qr-link,
.delete-history-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.copy-history-link:hover,
.show-qr-link:hover {
  background: var(--paper-2);
  border-color: var(--ink);
}

.delete-history-link {
  color: var(--danger);
  border-color: var(--danger-soft);
}

.delete-history-link:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--paper);
}

/* 4 · Responsive ----------------------------------------------------------- */

@media (max-width: 960px) {
  .utm-builder {
    grid-template-columns: minmax(0, 1fr);
  }

  .utm-builder__result {
    position: static;
  }
}

@media (max-width: 767px) {
  .my-link-item {
    grid-template-columns: repeat(3, auto) minmax(0, 1fr);
  }

  .my-link-main,
  .my-link-meta {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .utm-params {
    grid-template-columns: minmax(0, 1fr);
  }

  .utm-panel__head .btn {
    width: 100%;
  }
}