<script setup>
import { ref, reactive, computed } from 'vue'
import { useConfirm } from '../composables/useConfirm.js'
import { fetchQuelle } from '../api.js'

const props = defineProps({
  topics: { type: Array, required: true },
  selectedTopic: { type: String, default: null },
  stats: { type: Object, default: null },
  fortschritt: { type: Object, default: () => ({}) },
  locks: { type: Object, default: () => ({}) },
  guideStepsDone: { type: Object, default: () => ({}) }, // höchster fertiger Schritt je Format (-1 = keiner)
  uiError: { type: String, default: null },
  doneByFormat: { type: Object, default: () => ({}) },
  latestByFormat: { type: Object, default: () => ({}) },
  allGuides: { type: Array, default: () => [] },
  dismissedErrors: { type: Object, default: () => new Set() },
  bausteine: { type: Object, default: () => ({ ready: false, generating: false, progress: null, error: null }) },
  activeBausteine: { type: Array, default: () => [] },
  pinned: { type: Boolean, default: true },
  dark: { type: Boolean, default: false },
  provider: { type: String, default: 'claude' },
  providers: { type: Array, default: () => [] },
  folders: { type: Object, default: () => ({ projekt: [], uni: [] }) },
  ansichtModus: { type: String, default: 'kompakt' }, // kompakt | erklärend
  stufeAnsicht: { type: Number, default: 4 },          // 1=A · 2=F · 3=E · 4=V
})

const emit = defineEmits(['select', 'create', 'createThema', 'updateQuelle', 'formatClick', 'bausteineClick', 'cancelBausteine', 'resetBausteine', 'deleteTopic', 'cancelGuide', 'deleteGuide', 'dismissError', 'dismissUiError', 'preview', 'openBausteineView', 'openElements', 'togglePin', 'sidebarLeave', 'toggleDark', 'setAnsicht', 'setStufe', 'generalExam', 'setProvider'])

// Accordion: höchstens ein Panel offen. IDs: 'bausteine', 'fmt-<Format>', 'topic-<Name>'.
const openPanel = ref(null)
const isOpen = (id) => openPanel.value === id
function togglePanel(id) {
  openPanel.value = openPanel.value === id ? null : id
}

function providerAvailable(id) {
  const p = props.providers.find((x) => x.id === id)
  return p ? p.available : true
}

const PROVIDER_LABELS = { claude: 'Claude', minimax: 'MiniMax', lokal: 'Lokal' }

// Tracker oben in der Navigation: Themen gesamt, pro Format erstellt/absolviert
const trackerItems = computed(() => {
  if (!props.stats) return []
  const f = props.stats.formate || {}
  const fmt = (k) => `${f[k]?.absolviert ?? 0}/${f[k]?.erstellt ?? 0}`
  return [
    { label: 'Themen', value: String(props.stats.themen ?? 0), title: 'Themen inkl. Projekte' },
    { label: 'Guides', value: fmt('Guide'), title: 'absolviert/erstellt' },
  ]
})

const formats = [
  { key: 'Guide', label: 'Guide' },
]

// Stufen-Ansichten des EINEN Guides (gefiltert nach Subbaustein-Ebene).
const STUFEN_ANSICHT = [
  { k: 1, label: 'A', titel: 'Anfänger' },
  { k: 2, label: 'F', titel: 'Anfänger + Fortgeschritten' },
  { k: 3, label: 'E', titel: 'bis Experte' },
  { k: 4, label: 'V', titel: 'Vollständig (inkl. Rand)' },
]

const bausteineState = computed(() => {
  if (props.bausteine.generating) return 'generating'
  return props.bausteine.ready ? 'done' : 'none'
})

// Re-Run ab gewählter Phase (1-basiert). null = ab Anfang / Fortsetzen.
const gewaehltePhase = ref(null)
// Phasen anklickbar, sobald etwas (teil-)gebaut ist und gerade nicht generiert wird.
const phasenWaehlbar = computed(() => (props.bausteine.ready || props.bausteine.partial) && !props.bausteine.generating)
const gewaehltesLabel = computed(() => (props.bausteine.steps || [])[(gewaehltePhase.value || 0) - 1]?.label || '')

function phaseKlick(n) {
  if (!phasenWaehlbar.value) return
  gewaehltePhase.value = gewaehltePhase.value === n ? null : n
}

// Nur FREMDE Themen — das gewählte Thema zeigt seinen Fortschritt inline an der Zeile
const activeGenerations = computed(() => {
  const bausteinLines = props.activeBausteine
    .filter((b) => b.topic !== props.selectedTopic)
    .map((b) => `${b.topic} – Bausteine: ${b.progress || 'Wartend…'}`)
  const guideLines = props.allGuides
    .filter((g) => (g.status === 'generating' || g.status === 'queued') && g.topic !== props.selectedTopic)
    .map((g) => `${g.topic} – ${g.format}: ${g.progress || 'Wartend…'}`)
  return [...bausteinLines, ...guideLines]
})

const { pending: pendingConfirm, armOrRun } = useConfirm()

function confirmCancelBausteine() {
  armOrRun('bausteine', () => emit('cancelBausteine'))
}

function confirmResetBausteine() {
  armOrRun('bausteine', () => emit('resetBausteine'))
}

function handleBausteinePlay() {
  if (bausteineState.value === 'generating') return
  // Nur „Neu generieren" (ready) nutzt eine Phase; Fortsetzen/Erstbau resumen ohne Löschen.
  const abPhase = props.bausteine.ready ? (gewaehltePhase.value ?? 1) : null
  emit('bausteineClick', { instructions: '', abPhase })
  gewaehltePhase.value = null
}

// Name-Klick = Primäraktion: fertige Bausteine → Übersicht, sonst Panel auf/zu.
function onBausteineName() {
  if (props.bausteine.ready && !props.bausteine.generating) emit('openBausteineView')
  else togglePanel('bausteine')
}

function guideStatus(format) {
  // Laufende Generierung hat Vorrang — sonst maskiert ein älterer fertiger
  // Guide den Lauf und ▶ würde Duplikate starten.
  const latest = props.latestByFormat[format]
  if (latest && (latest.status === 'generating' || latest.status === 'queued')) return latest.status
  if (props.doneByFormat[format]) return 'done'
  if (!latest || latest.status === 'error') return 'none'
  return latest.status
}

// Schritt-Kugeln der Guide-Pipeline
const GUIDE_STEPS = ['Gliederung', 'Inhalte', 'Inhalts-Check', 'Schreiben', 'Lese-Prüfung']

// Kugeln aus dem artefakt-basierten „fertig"-Marker (wie Bausteine, nicht aus dem DB-Zähler):
// ≤ fertig = done. Läuft gerade → der nächste Schritt (fertig+1) ist aktiv.
function guideSteps(format) {
  const labels = GUIDE_STEPS
  const fertig = props.guideStepsDone[format] ?? -1
  const st = guideStatus(format)
  const aktiv = st === 'generating' || st === 'queued' ? fertig + 1 : -1
  return labels.map((label, i) => ({
    label,
    state: i <= fertig ? 'done' : i === aktiv ? 'active' : 'pending',
  }))
}

// Re-Run ab Guide-Schritt (1-basierte Kugel je Format). null = voll/Resume.
const gewaehlterStep = reactive({})
// Kugeln klickbar, sobald Artefakte existieren (Marker ≥ 0 oder fertig) und nicht generiert wird.
function guideWaehlbar(format) {
  const st = guideStatus(format)
  if (st === 'generating' || st === 'queued') return false
  return (props.guideStepsDone[format] ?? -1) >= 0 || st === 'done'
}
function guideStepKlick(format, n) {
  if (!guideWaehlbar(format)) return
  gewaehlterStep[format] = gewaehlterStep[format] === n ? null : n
}
function gewaehltesStepLabel(format) {
  return GUIDE_STEPS[(gewaehlterStep[format] || 0) - 1] || ''
}

function errorMsg(format) {
  const latest = props.latestByFormat[format]
  if (latest?.status !== 'error' || props.dismissedErrors.has(latest.id)) return ''
  if (abgebrochen(format)) return '' // kein roter Fehler — das Pausiert-Badge zeigt den Zustand
  return latest.error_msg || 'Fehler bei der Generierung'
}

// Abgebrochener Lauf = Teilfortschritt vorhanden: ▶ setzt fort, ✕ löscht den Fortschritt
function abgebrochen(format) {
  const latest = props.latestByFormat[format]
  return latest?.status === 'error' && (latest.error_msg || '').startsWith('Abgebrochen')
}

// Name-Klick: fertiger Guide → Vorschau, sonst Aktions-Panel auf/zu.
function handleFormatClick(format) {
  const guide = props.doneByFormat[format]
  if (guide) emit('preview', guide)
  else togglePanel('fmt-' + format)
}

// Sperr-Gründe kommen vom Backend (GET /guides/locks) — die Regeln existieren
// nur noch dort. Solange locks noch nicht geladen sind: Button frei, das
// Backend weist ungültige Starts ohnehin ab (sichtbar über uiError).
function playLock(format) {
  return props.locks?.[format] ?? null
}

function handlePlay(format) {
  if (playLock(format)) return
  // Gewählte Kugel (1-basiert) → ab_step (0-basiert). Nur bei (teil-)gebautem Guide.
  const abStep = guideWaehlbar(format) && gewaehlterStep[format] ? gewaehlterStep[format] - 1 : null
  emit('formatClick', { format, instructions: '', abStep })
  gewaehlterStep[format] = null
}

// Flash-Message-Verhalten: × blendet nur aus, nichts wird gelöscht
function dismissError(format) {
  const latest = props.latestByFormat[format]
  if (latest?.status === 'error') emit('dismissError', latest.id)
}

function handleDelete(format) {
  if (!props.latestByFormat[format]) return
  armOrRun('fmt-' + format, () => {
    // Alle laufenden Generierungen des Formats abbrechen (deckt auch Duplikate ab)
    const running = props.allGuides.filter(
      (g) => g.topic === props.selectedTopic && g.format === format
        && (g.status === 'generating' || g.status === 'queued'),
    )
    if (running.length) {
      for (const g of running) emit('cancelGuide', g.id)
    } else if (abgebrochen(format)) {
      // Pausierter Lauf: Teilfortschritt samt Schritt-Dateien löschen (Reset)
      emit('deleteGuide', props.latestByFormat[format].id, true)
    } else {
      emit('deleteGuide', props.latestByFormat[format].id)
    }
  })
}

// Erstellen-Bereich: inline aufklappbar (Name + weitere Infos + Quellen-Typ).
const dlg = ref(false)
const form = ref({ name: '', instructions: '', sourceType: 'thema', sourceOrt: '' })
const canCreate = computed(() => {
  if (!form.value.name.trim()) return false
  if (['link', 'projekt', 'uni'].includes(form.value.sourceType)) return !!form.value.sourceOrt.trim()
  return true
})

function toggleErstellen() {
  if (!dlg.value) form.value = { name: '', instructions: '', sourceType: 'thema', sourceOrt: '' }
  dlg.value = !dlg.value
}

function createThema() {
  if (!canCreate.value) return
  emit('createThema', {
    topic: form.value.name.trim(),
    instructions: form.value.instructions.trim(),
    sourceType: form.value.sourceType,
    sourceOrt: form.value.sourceOrt.trim(),
  })
  dlg.value = false
}

function confirmDeleteTopic(topic) {
  armOrRun('topic-' + topic, () => emit('deleteTopic', topic))
}

// --- Thema-Edit: Name-Klick wählt nur; das Chevron klappt die Quellen-Form auf/zu (Default zu) ---
const editTopic = ref(null)
const editForm = ref({ type: 'thema', ort: '', spec: '' })
const editLoading = ref(false)
const canSave = computed(() => {
  if (['link', 'projekt', 'uni'].includes(editForm.value.type)) return !!editForm.value.ort.trim()
  return true
})

async function toggleTopicPanel(t) {
  emit('select', t)
  if (openPanel.value === 'topic-' + t) { openPanel.value = null; return }
  openPanel.value = 'topic-' + t
  editTopic.value = t
  editLoading.value = true
  try {
    const q = await fetchQuelle(t)
    editForm.value = { type: q.type || 'thema', ort: q.ort || '', spec: q.spec || '' }
  } catch {
    editForm.value = { type: 'thema', ort: '', spec: '' }
  } finally {
    editLoading.value = false
  }
}

function setEditType(t) {
  editForm.value.type = t
  editForm.value.ort = ''
}

function saveQuelle() {
  if (!canSave.value || !editTopic.value) return
  emit('updateQuelle', {
    topic: editTopic.value,
    type: editForm.value.type,
    ort: editForm.value.ort.trim(),
    spec: editForm.value.spec.trim(),
  })
  openPanel.value = null
}
</script>

<template>
  <aside class="sidebar" @mouseleave="emit('sidebarLeave')">
    <div class="stats-bar" v-if="trackerItems.length">
      <div class="stat" v-for="item in trackerItems" :key="item.label" :title="item.title">
        <span class="stat-value">{{ item.value }}</span>
        <span class="stat-label">{{ item.label }}</span>
      </div>
    </div>
    <div class="new-topic">
      <button
        class="pin-btn"
        :title="pinned ? 'Sidebar ausblenden' : 'Sidebar fixieren'"
        @click="emit('togglePin')"
      >{{ pinned ? '⇤' : '⇥' }}</button>
      <button
        class="theme-btn"
        :title="dark ? 'Hellmodus' : 'Dunkelmodus'"
        @click="emit('toggleDark')"
      >{{ dark ? '☀' : '🌙' }}</button>
      <div v-if="selectedTopic" class="ansicht-toggle">
        <button :class="{ active: ansichtModus === 'kompakt' }" title="Kurzer Text" @click="emit('setAnsicht', 'kompakt')">
          <svg viewBox="0 0 16 16" width="14" height="14" aria-hidden="true">
            <rect x="2" y="5" width="12" height="1.6" rx="0.8" />
            <rect x="2" y="9" width="7" height="1.6" rx="0.8" />
          </svg>
        </button>
        <button :class="{ active: ansichtModus === 'erklärend' }" title="Langer Text" @click="emit('setAnsicht', 'erklärend')">
          <svg viewBox="0 0 16 16" width="14" height="14" aria-hidden="true">
            <rect x="2" y="3" width="12" height="1.4" rx="0.7" />
            <rect x="2" y="6.3" width="12" height="1.4" rx="0.7" />
            <rect x="2" y="9.6" width="12" height="1.4" rx="0.7" />
            <rect x="2" y="12.9" width="8" height="1.4" rx="0.7" />
          </svg>
        </button>
      </div>
      <div v-if="selectedTopic" class="stufe-toggle" title="Tiefe der Guide-Ansicht">
        <button v-for="s in STUFEN_ANSICHT" :key="s.k"
          :class="{ active: stufeAnsicht === s.k }" :title="s.titel"
          @click="emit('setStufe', s.k)">{{ s.label }}</button>
      </div>
      <button class="new-topic-toggle" :class="{ active: dlg }" title="Thema erstellen" @click="toggleErstellen">+</button>
    </div>

    <!-- Erstellen: inline aufklappbar (kein Modal) -->
    <div v-if="dlg" class="thema-panel">
      <input class="dlg-input" v-model="form.name" placeholder="Thema-Name…" @keyup.enter="createThema" autofocus />
      <textarea class="dlg-textarea" v-model="form.instructions" rows="2" placeholder="Weitere Infos (optional)…"></textarea>
      <div class="dlg-sources">
        <button :class="{ active: form.sourceType === 'thema' }" @click="form.sourceType = 'thema'; form.sourceOrt = ''">Thema</button>
        <button :class="{ active: form.sourceType === 'link' }" @click="form.sourceType = 'link'; form.sourceOrt = ''">Link</button>
        <button :class="{ active: form.sourceType === 'projekt' }" @click="form.sourceType = 'projekt'; form.sourceOrt = ''">Projekt</button>
        <button :class="{ active: form.sourceType === 'uni' }" @click="form.sourceType = 'uni'; form.sourceOrt = ''">Uni</button>
      </div>
      <input
        v-if="form.sourceType === 'link'"
        class="dlg-input" v-model="form.sourceOrt"
        placeholder="https://…" @keyup.enter="createThema"
      />
      <select
        v-else-if="form.sourceType === 'projekt' || form.sourceType === 'uni'"
        class="dlg-input" v-model="form.sourceOrt"
      >
        <option value="" disabled>Ordner wählen…</option>
        <option v-for="fo in (folders[form.sourceType] || [])" :key="fo.ort" :value="fo.ort">{{ fo.name }}</option>
      </select>
      <div class="dlg-actions">
        <button class="dlg-cancel" @click="dlg = false">Abbrechen</button>
        <button class="dlg-create" :disabled="!canCreate" @click="createThema">Erstellen</button>
      </div>
    </div>
    <div class="provider-toggle" v-if="providers.length">
      <button
        v-for="p in providers"
        :key="p.id"
        :class="{ active: p.id === provider }"
        :disabled="!p.available"
        :title="p.available ? '' : 'Nicht konfiguriert (CLI/Key fehlt)'"
        @click="emit('setProvider', p.id)"
      >{{ PROVIDER_LABELS[p.id] || p.id }}</button>
    </div>
    <div class="format-section" v-if="selectedTopic">
      <div class="format-error ui-error" v-if="uiError">
        <span class="format-error-text">{{ uiError }}</span>
        <button class="format-error-x" title="Ausblenden" @click="emit('dismissUiError')">×</button>
      </div>
      <div class="progress-info" v-if="activeGenerations.length">
        <div v-for="(line, i) in activeGenerations" :key="i">{{ line }}</div>
      </div>
      <div class="ord-bausteine">
        <div
          class="format-row bausteine-row"
          :class="{ 'is-active': bausteineState === 'generating' || bausteine.partial, 'row-open': isOpen('bausteine') }"
        >
          <button class="format-name bausteine-name" @click="onBausteineName">
            <span class="format-label">Bausteine</span>
            <span
              v-if="bausteine.partial && bausteineState !== 'generating'"
              class="resume-badge"
              title="Abgebrochen — Fortsetzen möglich"
            >Pausiert</span>
            <span class="step-dots">
              <span
                v-for="(s, i) in (bausteine.steps || [])"
                :key="s.label"
                class="step-pill"
                :class="[s.state, { sel: gewaehltePhase === i + 1, klickbar: phasenWaehlbar }]"
                :title="(s.state === 'active' ? (bausteine.progress || s.label) : s.label) + (phasenWaehlbar ? ' — Klick: ab hier neu' : '')"
                @click.stop="phaseKlick(i + 1)"
              >{{ i + 1 }}</span>
            </span>
          </button>
          <button class="panel-toggle" :class="{ open: isOpen('bausteine') }" title="Aktionen" @click.stop="togglePanel('bausteine')">▾</button>
        </div>
        <div v-if="isOpen('bausteine')" class="action-panel">
          <template v-if="bausteineState === 'generating'">
            <button class="panel-btn danger" :class="{ armed: pendingConfirm === 'bausteine' }" @click="confirmCancelBausteine">{{ pendingConfirm === 'bausteine' ? 'Sicher?' : 'Abbrechen' }}</button>
          </template>
          <template v-else>
            <button class="panel-btn play" @click="handleBausteinePlay">{{ bausteine.partial ? 'Fortsetzen' : bausteine.ready ? (gewaehltePhase ? `Ab «${gewaehltesLabel}» neu` : 'Neu generieren') : 'Generieren' }}</button>
            <button
              v-if="bausteine.ready || bausteine.partial"
              class="panel-btn danger"
              :class="{ armed: pendingConfirm === 'bausteine' }"
              @click="confirmResetBausteine"
            >{{ pendingConfirm === 'bausteine' ? 'Sicher?' : 'Entfernen' }}</button>
          </template>
        </div>
        <div v-if="bausteineState === 'generating'" class="format-progress">
          {{ bausteine.progress || 'Wartend…' }}
        </div>
        <div v-if="bausteine.error && !bausteine.error.startsWith('Abgebrochen')" class="format-error">
          <span class="format-error-text">{{ bausteine.error }}</span>
        </div>
      </div>
<!-- Formate stehen per CSS-order nach der Bausteine-Zeile (order 2) -->
      <div v-for="f in formats" :key="f.key" :style="{ order: 3 }">
        <div :class="['format-row', 'fmt-' + guideStatus(f.key), { 'fmt-paused': abgebrochen(f.key), 'row-open': isOpen('fmt-' + f.key) }]">
          <button class="format-name" @click="handleFormatClick(f.key)">
            <span class="format-label">{{ f.label }}</span>
            <span
              v-if="abgebrochen(f.key)"
              class="resume-badge"
              title="Abgebrochen — Fortsetzen möglich"
            >Pausiert</span>
            <span class="step-dots" v-if="guideSteps(f.key).length">
              <span
                v-for="(s, i) in guideSteps(f.key)"
                :key="s.label"
                class="step-pill"
                :class="[s.state, { sel: gewaehlterStep[f.key] === i + 1, klickbar: guideWaehlbar(f.key) }]"
                :title="(s.state === 'active' ? (latestByFormat[f.key]?.progress || s.label) : s.label) + (guideWaehlbar(f.key) ? ' — Klick: ab hier neu' : '')"
                @click.stop="guideStepKlick(f.key, i + 1)"
              >{{ i + 1 }}</span>
            </span>
          </button>
          <button class="panel-toggle" :class="{ open: isOpen('fmt-' + f.key) }" title="Aktionen" @click.stop="togglePanel('fmt-' + f.key)">▾</button>
        </div>
        <div v-if="isOpen('fmt-' + f.key)" class="action-panel">
          <template v-if="guideStatus(f.key) === 'generating' || guideStatus(f.key) === 'queued'">
            <button class="panel-btn danger" :class="{ armed: pendingConfirm === 'fmt-' + f.key }" @click="handleDelete(f.key)">{{ pendingConfirm === 'fmt-' + f.key ? 'Sicher?' : 'Abbrechen' }}</button>
          </template>
          <template v-else>
            <button
              class="panel-btn play"
              :title="playLock(f.key) || (abgebrochen(f.key) ? 'Fortsetzen' : 'Generieren')"
              :disabled="!!playLock(f.key)"
              @click="handlePlay(f.key)"
            >{{ gewaehlterStep[f.key] ? `Ab «${gewaehltesStepLabel(f.key)}» neu` : abgebrochen(f.key) ? 'Fortsetzen' : guideStatus(f.key) === 'done' ? 'Neu generieren' : 'Generieren' }}</button>
            <button
              v-if="guideStatus(f.key) !== 'none' || abgebrochen(f.key)"
              class="panel-btn danger"
              :class="{ armed: pendingConfirm === 'fmt-' + f.key }"
              @click="handleDelete(f.key)"
            >{{ pendingConfirm === 'fmt-' + f.key ? 'Sicher?' : abgebrochen(f.key) ? 'Fortschritt löschen' : 'Entfernen' }}</button>
          </template>
        </div>
        <div
          v-if="guideStatus(f.key) === 'generating' || guideStatus(f.key) === 'queued'"
          class="format-progress"
        >{{ latestByFormat[f.key]?.progress || 'Wartend…' }}</div>
        <div v-if="errorMsg(f.key)" class="format-error">
          <span class="format-error-text">{{ errorMsg(f.key) }}</span>
          <button class="format-error-x" title="Ausblenden" @click="dismissError(f.key)">×</button>
        </div>
      </div>
      <div class="format-row ord-pruefung">
        <button class="format-name elements-btn" @click="emit('generalExam')">
          <span class="format-label">Allgemeine Prüfung</span>
        </button>
      </div>
      <div class="format-row ord-elemente">
        <button class="format-name elements-btn" @click="emit('openElements')">
          <span class="format-label">Elemente</span>
        </button>
      </div>
    </div>

    <ul class="topic-list">
      <li
        v-for="t in topics"
        :key="t"
        :class="{ active: t === selectedTopic, 'li-open': isOpen('topic-' + t) }"
      >
        <div class="topic-row">
          <span class="topic-name" @click="emit('select', t)">{{ t }}</span>
          <button class="panel-toggle" :class="{ open: isOpen('topic-' + t) }" title="Optionen" @click.stop="toggleTopicPanel(t)">▾</button>
        </div>
        <div v-if="isOpen('topic-' + t)" class="thema-panel edit-panel" @click.stop>
          <p v-if="editLoading" class="dlg-hint">Lade…</p>
          <template v-else>
            <textarea class="dlg-textarea" v-model="editForm.spec" rows="2" placeholder="Weitere Infos (optional)…"></textarea>
            <div class="dlg-sources">
              <button :class="{ active: editForm.type === 'thema' }" @click="setEditType('thema')">Thema</button>
              <button :class="{ active: editForm.type === 'link' }" @click="setEditType('link')">Link</button>
              <button :class="{ active: editForm.type === 'projekt' }" @click="setEditType('projekt')">Projekt</button>
              <button :class="{ active: editForm.type === 'uni' }" @click="setEditType('uni')">Uni</button>
            </div>
            <input
              v-if="editForm.type === 'link'"
              class="dlg-input" v-model="editForm.ort"
              placeholder="https://…"
            />
            <select
              v-else-if="editForm.type === 'projekt' || editForm.type === 'uni'"
              class="dlg-input" v-model="editForm.ort"
            >
              <option value="" disabled>Ordner wählen…</option>
              <option v-for="fo in (folders[editForm.type] || [])" :key="fo.ort" :value="fo.ort">{{ fo.name }}</option>
            </select>
            <div class="dlg-actions">
              <button
                class="dlg-delete"
                :class="{ armed: pendingConfirm === 'topic-' + t }"
                @click="confirmDeleteTopic(t)"
              >{{ pendingConfirm === 'topic-' + t ? 'Sicher?' : 'Löschen' }}</button>
              <button class="dlg-create" :disabled="!canSave" @click="saveQuelle">Aktualisieren</button>
            </div>
          </template>
        </div>
      </li>
    </ul>
  </aside>
</template>

<style scoped>
.sidebar {
  width: 300px;
  min-width: 300px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

.new-topic {
  display: flex;
  gap: 4px;
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.new-topic input {
  flex: 1;
  min-width: 0;
  padding: 6px 8px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 0.85rem;
  outline: none;
}

.new-topic input:focus {
  border-color: var(--accent);
}

.new-topic button {
  padding: 6px 10px;
  border: none;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.new-topic button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.new-topic .pin-btn {
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  font-weight: 600;
  padding: 6px 8px;
}

.new-topic .pin-btn:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-color: var(--accent-border);
}

.new-topic .theme-btn {
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  font-weight: 600;
  padding: 6px 8px;
}

.new-topic .theme-btn:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-color: var(--accent-border);
}

/* Ansicht-Umschalter: zwei Icon-Buttons (kurzer / langer Text) */
.ansicht-toggle { display: inline-flex; }
.new-topic .ansicht-toggle button {
  padding: 4px 7px;
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
}
.new-topic .ansicht-toggle button:first-child { border-radius: 6px 0 0 6px; }
.new-topic .ansicht-toggle button:last-child { border-radius: 0 6px 6px 0; border-left: none; }
.new-topic .ansicht-toggle button:hover { color: var(--accent-hover); }
.new-topic .ansicht-toggle button.active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.ansicht-toggle svg { fill: currentColor; display: block; }
.stufe-toggle { display: inline-flex; margin-left: 4px; }
.new-topic .stufe-toggle button {
  padding: 4px 6px;
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  font-size: 11px;
  font-weight: 600;
  min-width: 20px;
}
.new-topic .stufe-toggle button:first-child { border-radius: 6px 0 0 6px; }
.new-topic .stufe-toggle button:last-child { border-radius: 0 6px 6px 0; }
.new-topic .stufe-toggle button:not(:first-child) { border-left: none; }
.new-topic .stufe-toggle button:hover { color: var(--accent-hover); }
.new-topic .stufe-toggle button.active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

.stats-bar {
  display: flex;
  padding: 0.5rem 0.75rem;
  gap: 4px;
  border-bottom: 1px solid var(--border);
}

.stat {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 2px 4px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: default;
}

.stat-value {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
}

/* Mini-Titel sitzt auf der oberen Kante des Badges (Legenden-Look) */
.stat-label {
  position: absolute;
  top: -0.42rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0 3px;
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-faint);
  background: var(--panel);
  white-space: nowrap;
}

.provider-toggle {
  display: flex;
  gap: 0;
  padding: 0.5rem 0.75rem 0;
}

.provider-toggle button {
  flex: 1;
  padding: 5px 8px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
}

.provider-toggle button:first-child {
  border-radius: 6px 0 0 6px;
}

.provider-toggle button:last-child {
  border-radius: 0 6px 6px 0;
  border-left: none;
}

.provider-toggle button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.provider-toggle button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.topic-list {
  list-style: none;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0.5rem 0;
  border-top: 1px solid var(--border);
}

.topic-list li {
  font-size: 0.9rem;
  color: var(--text);
}

.topic-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 0.6rem 1rem;
  cursor: pointer;
  transition: background 0.15s;
}

.topic-row:hover {
  background: var(--accent-soft);
}

.topic-list li.active .topic-row {
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-weight: 600;
}

.topic-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Format section */
.bausteine-name {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.step-dots {
  display: inline-flex;
  gap: 5px;
  flex: 1;
}

/* Grobe Phasen als nummerierte Pillen (1–5) — Anzeige + anklickbar für Re-Run ab hier. */
.step-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--border-strong);
  color: var(--bg);
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
  border: 1.5px solid transparent;
}

.step-pill.done {
  background: var(--success-border);
}

.step-pill.active {
  background: var(--warning-border);
  animation: dot-pulse 1.2s ease-in-out infinite;
}

.step-pill.klickbar {
  cursor: pointer;
}

.step-pill.sel {
  border-color: var(--text);
  box-shadow: 0 0 0 1px var(--text);
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.action-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.format-section {
  flex-shrink: 0;
  max-height: 60vh;
  overflow-y: auto;
  padding: 0.5rem 0;
  /* flex + order: Bausteine (order 2) vor den Formaten (order 3) */
  display: flex;
  flex-direction: column;
}

.ord-bausteine {
  order: 2;
}

.ord-pruefung {
  order: 4;
}

.ord-elemente {
  order: 5;
}

.elements-btn {
  cursor: pointer;
  color: var(--text);
}

.elements-btn:hover {
  background: var(--panel-soft);
}

.progress-info {
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  color: var(--warning);
  background: var(--warning-soft);
  margin-bottom: 0.25rem;
  animation: pulse 1.5s ease-in-out infinite;
}

/* Abgewiesene Aktion (409/400) — oberhalb aller Format-Zeilen */
.ui-error {
  order: 0;
  padding: 0.4rem 0.75rem;
  background: var(--warning-soft);
}

/* Fortschritts-Text direkt unter der laufenden Format-Zeile */
.format-progress {
  padding: 0 0.75rem 5px calc(0.75rem + 8px);
  font-size: 0.72rem;
  color: var(--warning);
  line-height: 1.3;
  animation: pulse 1.5s ease-in-out infinite;
}

.resume-badge {
  flex: 0 0 auto;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--warning);
  background: var(--warning-soft);
  border: 1px solid var(--warning-border);
  border-radius: 4px;
  padding: 1px 5px;
}

.format-row {
  display: flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  transition: background 0.15s;
}

.format-row:hover {
  background: var(--panel-soft);
}

.format-name {
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* Accordion: Pfeil-Toggle + aufklappendes Aktions-Panel */
.panel-toggle {
  flex: 0 0 auto;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-faint);
  font-size: 0.8rem;
  line-height: 1;
  padding: 4px 8px;
  transition: transform 0.15s, color 0.15s;
}
.panel-toggle.open { transform: rotate(180deg); color: var(--text); }
.panel-toggle:hover { color: var(--accent); }

.format-row.row-open,
.topic-list li.li-open .topic-row { background: var(--panel-soft); }

.action-panel {
  display: flex;
  gap: 0.5rem;
  padding: 0.15rem 0.75rem 0.55rem calc(0.75rem + 8px);
}

.panel-btn {
  flex: 1;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.panel-btn:hover { border-color: var(--accent); }
.panel-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.panel-btn:disabled:hover { border-color: var(--border-strong); }
.panel-btn.play {
  color: var(--success);
  background: var(--success-soft);
  border-color: var(--success-border);
}
.panel-btn.play:hover { background: var(--success-soft-hover); }
.panel-btn.danger { color: var(--danger); }
.panel-btn.danger:hover { border-color: var(--danger); }
.panel-btn.armed { background: var(--danger); color: #fff; border-color: var(--danger); }

.format-x {
  display: none;
  color: var(--danger);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
}

.format-name:hover .format-x {
  display: inline;
}

/* Laufend/pausiert: × immer zeigen — Hover gibt es auf Touch nicht */
.fmt-generating .format-x,
.fmt-queued .format-x,
.fmt-paused .format-x,
.bausteine-row.is-active .format-x {
  display: inline;
}

.format-x.armed,
.format-error-x.armed,
.delete-topic.armed {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--danger);
  color: #fff;
  border-radius: 4px;
  padding: 2px 6px;
}

.fmt-done .format-name {
  color: var(--success);
  font-weight: 600;
  cursor: pointer;
  background: var(--success-soft);
  border: 1px solid var(--success-border);
}

.fmt-done .format-name:hover {
  background: var(--success-soft-hover);
}

.fmt-generating .format-name,
.fmt-queued .format-name {
  color: var(--warning);
  background: var(--warning-soft);
  border: 1px solid var(--warning-border);
  animation: pulse 1.5s ease-in-out infinite;
}

.format-error {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  padding: 2px 0.75rem 6px calc(0.75rem + 8px);
  font-size: 0.72rem;
  color: var(--danger);
  line-height: 1.3;
}

.format-error-text {
  flex: 1;
  word-break: break-word;
}

.format-error-x {
  flex: 0 0 auto;
  background: none;
  border: none;
  color: var(--danger);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
  opacity: 0.6;
}

.format-error-x:hover {
  opacity: 1;
}

.format-actions {
  display: flex;
  gap: 2px;
  margin-left: 6px;
}

.action-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 4px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.15s;
}

.action-btn.play {
  color: var(--success);
}

.action-btn.play:hover {
  background: var(--success-soft);
  border-color: var(--success-border);
}

.action-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.action-btn:disabled:hover {
  background: none;
  border-color: transparent;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.65; }
}

/* Erstellen — inline aufklappbar (kein Modal) */
.new-topic-toggle {
  margin-left: auto;       /* rechtsbündig statt volle Breite */
  padding: 6px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--accent);
  color: var(--on-accent);
  cursor: pointer;
  font: inherit;
  font-size: 1.1rem;
  line-height: 1;
  text-align: center;
}
.new-topic-toggle:hover { background: var(--accent-hover); }
.new-topic-toggle.active { background: var(--accent-hover); }
.thema-panel {
  margin: 0.4rem 0;
  padding: 0.5rem;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
}
.dlg-input, .dlg-textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}
.dlg-input:focus, .dlg-textarea:focus { outline: none; border-color: var(--accent); }
.dlg-textarea { resize: vertical; min-height: 2rem; }
.dlg-sources { display: flex; gap: 0.3rem; }
.dlg-sources button {
  flex: 1;
  padding: 0.35rem 0.2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  cursor: pointer;
  font-size: 0.8rem;
}
.dlg-sources button.active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.dlg-hint { margin: 0; font-size: 0.75rem; color: var(--text-faint); }
.dlg-actions { display: flex; justify-content: flex-end; gap: 0.4rem; margin-top: 0.1rem; }
.dlg-actions button {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  cursor: pointer;
}
.dlg-create { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.dlg-create:disabled { opacity: 0.45; cursor: default; }

/* Thema-Edit-Panel: dezent in die Liste eingefügt — keine Box, nur ein linker Akzent */
.edit-panel {
  margin: 0;
  padding: 0.5rem 1rem 0.7rem 1.25rem;
  background: var(--accent-soft);
  border: none;
  border-left: 3px solid var(--accent-border);
  border-radius: 0;
}
.dlg-delete { margin-right: auto; color: var(--danger); }
.dlg-delete.armed { background: var(--danger); border-color: var(--danger); color: #fff; font-weight: 700; }
select.dlg-input { cursor: pointer; }

</style>
