@extends('layouts.teacher')
@section('title', 'Rekap Nilai — ' . $course->title)
@section('header', 'Rekap Nilai')

@section('content')

<style>
    @import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');
    .edu-font-display { font-family: 'Playfair Display', serif; }
    .edu-font-body { font-family: 'DM Sans', sans-serif; }
    :root { --navy:#0f1e38; --gold:#c9a84c; --gold-light:#f5e9cc; --cream:#faf8f4; --text-muted:#6b7280; --border:#e8e4dc; }
    .section-label { font-size:10px; letter-spacing:.18em; text-transform:uppercase; color:var(--text-muted); font-weight:500; }
    .table-wrap { background:white; border:1px solid var(--border); border-radius:20px; overflow:hidden; box-shadow:0 1px 12px rgba(0,0,0,.04); }
    .table-head { background:var(--cream); border-bottom:1px solid var(--border); }
    .table-head th { padding:.875rem 1.25rem; font-size:10px; letter-spacing:.12em; text-transform:uppercase; font-weight:600; color:var(--text-muted); text-align:left; }
    .table-row { border-bottom:1px solid var(--border); transition:background .15s; }
    .table-row:last-child { border-bottom:none; }
    .table-row:hover { background:var(--cream); }
    .table-row td { padding:.875rem 1.25rem; font-size:13px; vertical-align:middle; }
    .avatar { width:34px; height:34px; border-radius:10px; background:var(--navy); color:white; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:12px; flex-shrink:0; }
    .progress-track { background:#f0ede6; border-radius:100px; height:5px; width:90px; display:inline-block; vertical-align:middle; overflow:hidden; }
    .progress-fill { height:5px; border-radius:100px; background:var(--navy); }
    .badge { font-size:11px; font-weight:600; padding:.25rem .75rem; border-radius:100px; }
    .badge-done { background:#d1fae5; color:#065f46; }
    .badge-ongoing { background:#fef3c7; color:#92400e; }
</style>

<div class="edu-font-body space-y-6">

    {{-- Header --}}
    <div style="background:white; border:1px solid var(--border); border-radius:24px; padding:1.75rem 2rem; box-shadow:0 1px 12px rgba(0,0,0,.04);">
        <div class="flex flex-col md:flex-row md:items-center md:justify-between gap-4">
            <div>
                <span class="section-label">Rekap Akademik</span>
                <h1 class="edu-font-display text-2xl font-bold mt-1" style="color:var(--navy);">Rekap Nilai Siswa</h1>
                <p class="text-sm mt-1" style="color:var(--text-muted);">{{ $course->title }}</p>
            </div>
            <a href="{{ route('teacher.courses.show', $course) }}"
               style="display:inline-flex; align-items:center; gap:6px; background:var(--cream); border:1px solid var(--border); color:var(--navy); font-size:13px; font-weight:500; padding:.625rem 1.25rem; border-radius:14px; text-decoration:none; transition:background .15s; align-self:flex-start;">
                <i class="fa fa-arrow-left" style="font-size:10px;"></i> Kembali ke Kursus
            </a>
        </div>
    </div>

    {{-- Table --}}
    <div class="table-wrap">
        <table class="w-full">
            <thead class="table-head">
                <tr>
                    <th>Siswa</th>
                    <th>Progress</th>
                    <th>Rata-rata Nilai</th>
                    <th>Status</th>
                </tr>
            </thead>
            <tbody>
                @forelse($grades as $grade)
                <tr class="table-row">
                    <td>
                        <div class="flex items-center gap-2.5">
                            <div class="avatar">{{ strtoupper(substr($grade['student']->name, 0, 1)) }}</div>
                            <div>
                                <p class="font-semibold" style="color:var(--navy);">{{ $grade['student']->name }}</p>
                                <p class="text-xs" style="color:var(--text-muted);">{{ $grade['student']->nis_nip ?? '' }}</p>
                            </div>
                        </div>
                    </td>
                    <td>
                        <div class="flex items-center gap-2">
                            <div class="progress-track">
                                <div class="progress-fill" style="width:{{ $grade['progress'] }}%; background:{{ $grade['progress'] >= 100 ? '#10b981' : 'var(--navy)' }};"></div>
                            </div>
                            <span class="text-xs font-semibold" style="color:var(--navy);">{{ $grade['progress'] }}%</span>
                        </div>
                    </td>
                    <td>
                        @if($grade['avg_score'] !== null)
                            <span class="font-bold text-base" style="color:{{ $grade['avg_score'] >= 75 ? '#065f46' : '#dc2626' }};">
                                {{ $grade['avg_score'] }}
                            </span>
                            <span class="text-xs" style="color:var(--text-muted);">/ 100</span>
                        @else
                            <span class="text-xs" style="color:var(--text-muted);">Belum ada nilai</span>
                        @endif
                    </td>
                    <td>
                        <span class="badge {{ $grade['completed'] ? 'badge-done' : 'badge-ongoing' }}">
                            {{ $grade['completed'] ? 'Selesai' : 'Berlangsung' }}
                        </span>
                    </td>
                </tr>
                @empty
                <tr>
                    <td colspan="4" style="padding:4rem; text-align:center; color:var(--text-muted);">
                        <i class="fa fa-users text-3xl mb-3 block opacity-20"></i>
                        <p class="text-sm">Belum ada siswa terdaftar.</p>
                    </td>
                </tr>
                @endforelse
            </tbody>
        </table>
    </div>

</div>
@endsection