@extends('layouts.app')

@section('title', 'Membaca: ' . ($currentChapter->title ?? $book->title))

@section('content')
<div class="bg-gray-50/50 min-h-screen py-10">
    <div class="max-w-4xl mx-auto px-4 sm:px-6">
        
        <div class="bg-white rounded-2xl shadow-sm border border-gray-100 p-5 mb-8">
            <div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4">
                <div class="space-y-1 min-w-0 flex-1">
                    <div class="flex items-center gap-2 text-xs text-gray-400 font-medium mb-1">
                        <a href="{{ route('home') }}" class="hover:text-blue-600 transition">Beranda</a>
                        <svg class="w-2.5 h-2.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M9 5l7 7-7 7\"/>
                        </svg>
                        <span class="truncate text-gray-600">{{ $book->title }}</span>
                    </div>
                    
                    <span class="inline-block text-[10px] font-bold text-blue-600 bg-blue-50 px-2.5 py-0.5 rounded-md mb-1">
                        SEDANG DIBACA: BAB {{ $currentChapter->chapter_number }}
                    </span>
                    <h1 class="font-extrabold text-gray-900 text-base md:text-lg truncate tracking-tight leading-tight">
                        {{ $currentChapter->title }}
                    </h1>
                </div>

                <a href="{{ route('home') }}" class="inline-flex items-center gap-1.5 px-4 py-2.5 border border-gray-200 text-xs font-semibold text-gray-600 rounded-xl bg-white hover:bg-gray-50 transition shrink-0 shadow-sm">
                    🗂️ Daftar Bab
                </a>
            </div>
        </div>

        <div class="bg-white rounded-3xl shadow-sm border border-gray-100 p-6 sm:p-10 md:p-12 mb-8">
            <div class="text-center mb-10 pb-6 border-b border-gray-100">
                <span class="text-xs font-bold text-blue-600 uppercase tracking-widest block mb-2">Materi Modul</span>
                <h2 class="text-2xl md:text-3xl font-extrabold text-gray-800 leading-tight tracking-tight max-w-2xl mx-auto">
                    {{ $currentChapter->title }}
                </h2>
            </div>

            <div class="prose prose-blue max-w-none text-gray-700 leading-relaxed text-sm md:text-base space-y-6">
                @if($currentChapter->content)
                    {!! $currentChapter->content !!}
                @else
                    <p class="text-gray-400 italic text-center py-6">Materi bab ini masih dalam proses penulisan oleh dosen.</p>
                @endif
            </div>
        </div>

        <div class="flex flex-col sm:flex-row justify-between gap-4 items-center">
            
            @if(isset($prevChapter) && $prevChapter)
                <a href="{{ route('book.read', $prevChapter->chapter_number) }}" 
                   class="inline-flex items-center gap-2.5 px-5 py-3 bg-white border border-gray-200 text-gray-700 font-semibold rounded-xl hover:bg-gray-50 transition shadow-sm text-xs w-full sm:w-auto justify-center sm:justify-start">
                    <svg class="w-4 h-4 text-gray-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M15 19l-7-7 7-7\"/>
                    </svg>
                    <div class="text-left">
                        <span class="text-[10px] text-gray-400 block font-normal uppercase">Sebelumnya</span>
                        <span class="block truncate max-w-[160px]">Bab {{ $prevChapter->chapter_number }}</span>
                    </div>
                </a>
            @else
                <div class="hidden sm:block w-1"></div>
            @endif
            
            @if(isset($nextChapter) && $nextChapter)
                <a href="{{ route('book.read', $nextChapter->chapter_number) }}" 
                   class="inline-flex items-center justify-between sm:justify-end gap-2.5 px-6 py-3 bg-blue-600 text-white font-semibold rounded-xl hover:bg-blue-700 transition shadow-md text-xs w-full sm:w-auto text-right">
                    <div class="text-right">
                        <span class="text-[10px] text-blue-200 block font-normal uppercase">Selanjutnya</span>
                        <span class="block truncate max-w-[160px]">Bab {{ $nextChapter->chapter_number }}</span>
                    </div>
                    <svg class="w-4 h-4 text-blue-100" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M9 5l7 7-7 7\"/>
                    </svg>
                </a>
            @else
                <a href="{{ route('home') }}" 
                   class="inline-flex items-center gap-2 px-6 py-3 bg-green-600 text-white font-semibold rounded-xl hover:bg-green-700 transition shadow-md text-xs w-full sm:w-auto justify-center uppercase font-bold tracking-wider">
                    🎉 Selesai Membaca
                </a>
            @endif
            
        </div>

    </div>
</div>
@endsection