@extends('layouts.app')

@php
    $routeLocale = in_array(request()->segment(1), ['de', 'en'], true) ? request()->segment(1) : 'de';
    $tr = fn ($de, $en) => $routeLocale === 'en' ? $en : $de;
@endphp

@section('title', $topic['label'] . ' — ' . $tr('Wissen', 'Knowledge') . ' | KOTSCH.TECH')
@section('meta_description', $topic['tagline'] ?: ($topic['label'] . ' lernen — PDFs und Lernsites auf kotsch.tech.'))

@section('content')
<style>
    .wissen-wrap { max-width: 1000px; margin: 0 auto; padding: 0 1.5rem; }
    .wt-hero { display: flex; align-items: center; gap: 1.2rem; padding: clamp(3rem, 7vw, 5rem) 0 1.5rem; }
    .wt-hero-icon { width: 72px; height: 72px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 20px; font-size: 1.9rem; color: var(--primary); background: var(--primary-soft); }
    .wt-hero h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; letter-spacing: -.03em; margin: 0; color: #0f172a; }
    .wt-hero p { margin: .4rem 0 0; color: #475569; font-size: 1.1rem; }
    .wt-back { display: inline-flex; align-items: center; gap: .4rem; color: var(--primary); text-decoration: none; font-weight: 600; margin: 1.5rem 0 0; }
    .wt-back:hover { text-decoration: underline; }

    .wt-section h2 { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; color: #0f172a; margin: 2.8rem 0 1.2rem; display: flex; align-items: center; gap: .6rem; }
    .wt-section h2 .cnt { font-size: .95rem; font-weight: 600; color: #fff; background: var(--primary); padding: .1rem .6rem; border-radius: 980px; }

    .wt-pdfs { display: grid; gap: .8rem; }
    .wt-pdf { display: flex; align-items: center; gap: 1rem; background: #fff; border: 1px solid #e8edf3; border-radius: 16px; padding: 1rem 1.2rem; transition: border-color .2s, box-shadow .2s; }
    .wt-pdf:hover { border-color: color-mix(in srgb, var(--primary) 40%, #e8edf3); box-shadow: 0 14px 30px -24px rgba(15,23,42,.5); }
    .wt-pdf-ic { width: 46px; height: 46px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 12px; background: #fef2f2; color: #dc2626; font-size: 1.3rem; }
    .wt-pdf-info { flex: 1; min-width: 0; }
    .wt-pdf-info b { display: block; font-weight: 700; color: #0f172a; }
    .wt-pdf-info span { color: #94a3b8; font-size: .85rem; }
    .wt-pdf-actions { display: flex; gap: .5rem; flex: 0 0 auto; }
    .wt-btn { display: inline-flex; align-items: center; gap: .4rem; padding: .55rem 1rem; border-radius: 10px; font-weight: 600; font-size: .9rem; text-decoration: none; border: 1px solid transparent; white-space: nowrap; }
    .wt-btn-primary { background: var(--primary); color: #fff; }
    .wt-btn-primary:hover { filter: brightness(1.08); }
    .wt-btn-ghost { background: #fff; color: #475569; border-color: #e2e8f0; }
    .wt-btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

    .wt-sites { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.1rem; }
    .wt-card { display: flex; flex-direction: column; background: #fff; border: 1px solid #e8edf3; border-radius: 18px; overflow: hidden; text-decoration: none; color: inherit; transition: transform .25s, box-shadow .25s; }
    .wt-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -28px rgba(15,23,42,.45); }
    .wt-card-thumb { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--primary-soft), color-mix(in srgb, var(--accent-2) 14%, #fff)); display: grid; place-items: center; color: var(--primary); font-size: 2rem; }
    .wt-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
    .wt-card-body { padding: 1.1rem 1.2rem 1.3rem; }
    .wt-card h3 { margin: 0 0 .35rem; font-size: 1.12rem; font-weight: 700; color: #0f172a; line-height: 1.25; }
    .wt-card p { margin: 0; color: #64748b; font-size: .92rem; line-height: 1.5; }
    .wt-empty { text-align: center; padding: 2.5rem 1rem; color: #64748b; background: #fff; border: 1px dashed #cbd5e1; border-radius: 18px; }
    @media (max-width: 540px) { .wt-pdf { flex-wrap: wrap; } .wt-pdf-actions { width: 100%; } .wt-btn { flex: 1; justify-content: center; } }
</style>

<div class="wissen-wrap">
    <header class="wt-hero" style="--primary: {{ $topic['accent'] }};">
        <span class="wt-hero-icon"><i class="fas {{ $topic['icon'] }}" aria-hidden="true"></i></span>
        <div>
            <h1>{{ $topic['label'] }}</h1>
            @if($topic['tagline'])<p>{{ $topic['tagline'] }}</p>@endif
        </div>
    </header>
    <a class="wt-back" href="{{ route('wissen.index', [], false) }}" style="--primary: {{ $topic['accent'] }};">
        <i class="fas fa-arrow-left" aria-hidden="true"></i> {{ $tr('Alle Themen', 'All topics') }}
    </a>

    <div style="--primary: {{ $topic['accent'] }};">
        <section class="wt-section">
            <h2><i class="fas fa-window-maximize" aria-hidden="true"></i> {{ $tr('Lernsites', 'Learning sites') }} <span class="cnt">{{ $sites->count() }}</span></h2>
            @if($sites->isEmpty())
                <div class="wt-empty">{{ $tr('Hier entstehen bald interaktive Lernsites.', 'Interactive learning sites coming soon.') }}</div>
            @else
                <div class="wt-sites">
                    @foreach($sites as $s)
                        <a class="wt-card" href="{{ route('wissen.site', ['topic' => $s['topic'], 'slug' => $s['slug']], false) }}">
                            <div class="wt-card-thumb">
                                @if(!empty($s['heroImage']))
                                    <img src="{{ $s['heroImage'] }}" alt="{{ $s['title'] }}" loading="lazy">
                                @else
                                    <i class="fas fa-book-open" aria-hidden="true"></i>
                                @endif
                            </div>
                            <div class="wt-card-body">
                                <h3>{{ $s['title'] }}</h3>
                                <p>{{ \Illuminate\Support\Str::limit($s['description'], 110) }}</p>
                            </div>
                        </a>
                    @endforeach
                </div>
            @endif
        </section>

        <section class="wt-section" style="margin-bottom: 4rem;">
            <h2><i class="fas fa-file-pdf" aria-hidden="true"></i> {{ $tr('Dokumente & PDFs', 'Documents & PDFs') }} <span class="cnt">{{ $pdfs->count() }}</span></h2>
            @if($pdfs->isEmpty())
                <div class="wt-empty">{{ $tr('Noch keine PDFs in diesem Thema.', 'No PDFs in this topic yet.') }}</div>
            @else
                <div class="wt-pdfs">
                    @foreach($pdfs as $pdf)
                        <div class="wt-pdf">
                            <span class="wt-pdf-ic"><i class="fas fa-file-pdf" aria-hidden="true"></i></span>
                            <div class="wt-pdf-info">
                                <b>{{ $pdf['title'] }}</b>
                                <span>PDF · {{ $pdf['size'] }}</span>
                            </div>
                            <div class="wt-pdf-actions">
                                <a class="wt-btn wt-btn-primary" href="{{ $pdf['url'] }}" target="_blank" rel="noopener"><i class="fas fa-eye" aria-hidden="true"></i> {{ $tr('Ansehen', 'View') }}</a>
                                <a class="wt-btn wt-btn-ghost" href="{{ $pdf['url'] }}" download><i class="fas fa-download" aria-hidden="true"></i></a>
                            </div>
                        </div>
                    @endforeach
                </div>
            @endif
        </section>
    </div>

    {{-- Werbung: fixe Seiten-Banner links/rechts (Desktop ≥1440px), sonst Inline-Banner. --}}
    @include('tools._ads_banner')
</div>
@endsection