@extends('layouts.app')

@section('title', 'WA Devices — Fonnte')

@section('content')

<div class="page-header">
    <div>
        <h1 class="page-title">WA Devices</h1>
        <p class="page-subtitle">Kelola multi-device WhatsApp via Fonnte API</p>
    </div>
    <div class="page-actions">
        <button class="btn btn-secondary" onclick="checkAllDevices()" id="checkAllBtn">
            <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/></svg>
            Cek Semua Status
        </button>
        <button class="btn btn-primary" onclick="openModal('addDeviceModal')">
            <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/></svg>
            Tambah Device
        </button>
    </div>
</div>

{{-- Info box --}}
<div style="background:var(--info-light);border:1px solid var(--info);border-radius:var(--radius);padding:.875rem 1.125rem;margin-bottom:1.25rem;display:flex;align-items:flex-start;gap:.75rem;">
    <svg fill="none" viewBox="0 0 24 24" stroke="var(--info)" style="width:18px;height:18px;flex-shrink:0;margin-top:1px;"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>
    <div style="font-size:.8125rem;color:#1e40af;line-height:1.6;">
        <strong>Setup Multi-Device Fonnte:</strong> Setiap device membutuhkan <strong>API Token unik</strong> dari dashboard Fonnte (berbeda per akun WA).
        Webhook URL untuk semua device: <code style="background:rgba(0,0,0,.08);padding:1px 6px;border-radius:3px;">{{ url('webhook/fonnte') }}</code>
        — Fonnte otomatis menyertakan nomor device di payload webhook.
    </div>
</div>

{{-- Device Cards --}}
@if($devices->isEmpty())
<div class="card">
    <div class="empty-state" style="padding:3rem;">
        <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M12 18h.01M8 21h8a2 2 0 002-2V5a2 2 0 00-2-2H8a2 2 0 00-2 2v14a2 2 0 002 2z"/></svg>
        <div class="empty-state-title">Belum ada device terdaftar</div>
        <p class="empty-state-text">Tambah device WhatsApp pertama untuk mulai menggunakan chatbot</p>
        <button class="btn btn-primary" onclick="openModal('addDeviceModal')">Tambah Device Pertama</button>
    </div>
</div>
@else
<div style="display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1rem;">
    @foreach($devices as $device)
    <div class="card" style="{{ ! $device->is_active ? 'opacity:.65;' : '' }}" id="device_{{ $device->id }}">
        <div class="card-body" style="padding:1.25rem;">

            {{-- Header --}}
            <div style="display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:1rem;">
                <div style="display:flex;align-items:center;gap:.75rem;">
                    <div style="width:44px;height:44px;border-radius:12px;background:#25d366;display:flex;align-items:center;justify-content:center;position:relative;flex-shrink:0;">
                        <svg fill="white" viewBox="0 0 24 24" style="width:24px;height:24px;"><path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413Z"/></svg>
                        {{-- Status dot --}}
                        <div style="position:absolute;bottom:-2px;right:-2px;width:14px;height:14px;border-radius:50%;border:2px solid white;background:{{ $device->fonnte_status === 'connected' ? 'var(--success)' : ($device->fonnte_status === 'disconnected' ? 'var(--danger)' : 'var(--gray-300)') }};" id="statusDot_{{ $device->id }}"></div>
                    </div>
                    <div>
                        <div style="font-size:.9375rem;font-weight:600;color:var(--gray-900);display:flex;align-items:center;gap:.375rem;">
                            {{ $device->name }}
                            @if($device->is_default)
                            <span class="badge badge-purple" style="font-size:.625rem;">Default</span>
                            @endif
                        </div>
                        <div style="font-size:.8125rem;color:var(--gray-500);">{{ $device->formatted_number }}</div>
                    </div>
                </div>
                <div style="display:flex;gap:.25rem;">
                    <button class="btn btn-ghost btn-sm btn-icon" onclick="checkDevice('{{ $device->id }}')" title="Cek Status">
                        <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/></svg>
                    </button>
                    <button class="btn btn-ghost btn-sm btn-icon" onclick="openEditModal('{{ $device->id }}')" title="Edit">
                        <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"/></svg>
                    </button>
                    <form method="POST" action="{{ route('fonnte.destroy', $device) }}" style="display:inline;" onsubmit="return confirm('Hapus device {{ $device->name }}?')">
                        @csrf @method('DELETE')
                        <button type="submit" class="btn btn-ghost btn-sm btn-icon" style="color:var(--danger);" title="Hapus">
                            <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/></svg>
                        </button>
                    </form>
                </div>
            </div>

            {{-- Info grid --}}
            <div style="display:grid;grid-template-columns:1fr 1fr;gap:.625rem;font-size:.8125rem;margin-bottom:1rem;">
                <div>
                    <div style="color:var(--gray-400);font-size:.6875rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2rem;">Role</div>
                    <span class="badge badge-{{ $device->role_color }}">{{ $device->role_label }}</span>
                </div>
                <div>
                    <div style="color:var(--gray-400);font-size:.6875rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2rem;">Status Fonnte</div>
                    <span class="badge badge-{{ $device->status_color }}" id="statusBadge_{{ $device->id }}">
                        {{ ucfirst($device->fonnte_status ?? 'Belum dicek') }}
                    </span>
                </div>
                <div>
                    <div style="color:var(--gray-400);font-size:.6875rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2rem;">API Token</div>
                    <span style="color:var(--gray-700);">{{ $device->masked_token }}</span>
                </div>
                <div>
                    <div style="color:var(--gray-400);font-size:.6875rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2rem;">Terima Webhook</div>
                    <span style="color:{{ $device->receive_webhook ? 'var(--success)' : 'var(--gray-400)' }};">{{ $device->receive_webhook ? '✓ Ya' : '✗ Tidak' }}</span>
                </div>
            </div>

            @if($device->last_check_at)
            <div style="font-size:.75rem;color:var(--gray-400);margin-bottom:.875rem;">
                Terakhir dicek: {{ $device->last_check_at->locale('id')->diffForHumans() }}
            </div>
            @endif

            {{-- Actions --}}
            <div style="display:flex;gap:.5rem;flex-wrap:wrap;">
                {{-- Toggle aktif --}}
                <form method="POST" action="{{ route('fonnte.toggle', $device) }}" style="display:inline;">
                    @csrf
                    <button type="submit" class="btn btn-sm {{ $device->is_active ? 'btn-secondary' : 'btn-success' }}">
                        {{ $device->is_active ? 'Nonaktifkan' : 'Aktifkan' }}
                    </button>
                </form>

                {{-- Set default --}}
                @if(! $device->is_default)
                <form method="POST" action="{{ route('fonnte.default', $device) }}" style="display:inline;">
                    @csrf
                    <button type="submit" class="btn btn-sm btn-ghost">Jadikan Default</button>
                </form>
                @endif

                {{-- Test kirim --}}
                <button class="btn btn-sm btn-ghost" onclick="openTestModal('{{ $device->id }}', '{{ $device->name }}')" style="color:var(--success);">
                    Test Kirim
                </button>
            </div>
        </div>
    </div>
    @endforeach
</div>
@endif

{{-- ============================================================
     MODAL: Tambah Device
============================================================ --}}
<div class="modal-overlay" id="addDeviceModal">
    <div class="modal" style="max-width:520px;">
        <div class="modal-header">
            <span class="modal-title">Tambah WA Device Baru</span>
            <button class="modal-close" onclick="closeModal('addDeviceModal')">
                <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
            </button>
        </div>
        <form method="POST" action="{{ route('fonnte.store') }}" id="addDeviceForm">
            @csrf
            <div class="modal-body">
                <div class="grid-2">
                    <div class="form-group">
                        <label class="form-label">Nama Device <span class="required">*</span></label>
                        <input type="text" name="name" class="form-control" placeholder="WA Sales 1 / WA Support" required>
                    </div>
                    <div class="form-group">
                        <label class="form-label">Nomor WA <span class="required">*</span></label>
                        <input type="text" name="wa_number" class="form-control" placeholder="628xxx" required>
                        <p class="field-hint">Format 628xxx, akan dinormalisasi otomatis</p>
                    </div>
                </div>
                <div class="form-group">
                    <label class="form-label">API Token Fonnte <span class="required">*</span></label>
                    <div style="position:relative;">
                        <input type="password" name="api_token" id="newToken" class="form-control"
                               placeholder="Token dari dashboard.fonnte.com → API" required style="padding-right:2.5rem;">
                        <button type="button" onclick="togglePwdField('newToken')"
                                style="position:absolute;right:.75rem;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--gray-400);">
                            <svg fill="none" viewBox="0 0 24 24" stroke="currentColor" style="width:16px;height:16px;"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"/></svg>
                        </button>
                    </div>
                    <p class="field-hint">Salin dari Fonnte Dashboard → API → Token (unik per akun WA)</p>
                </div>
                <div class="grid-2">
                    <div class="form-group">
                        <label class="form-label">Peran Device</label>
                        <select name="role" class="form-control">
                            @foreach(\App\Models\FonnteDevice::ROLE_LABELS as $val => $label)
                            <option value="{{ $val }}" {{ $val === 'all' ? 'selected' : '' }}>{{ $label }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div class="form-group" style="display:flex;flex-direction:column;justify-content:flex-end;gap:.625rem;">
                        <label style="display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.875rem;color:var(--gray-700);">
                            <input type="checkbox" name="receive_webhook" value="1" checked style="accent-color:var(--primary);">
                            Terima pesan masuk (webhook)
                        </label>
                        <label style="display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.875rem;color:var(--gray-700);">
                            <input type="checkbox" name="is_default" value="1" {{ $devices->isEmpty() ? 'checked' : '' }} style="accent-color:var(--primary);">
                            Jadikan device default
                        </label>
                    </div>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" onclick="closeModal('addDeviceModal')">Batal</button>
                <button type="submit" class="btn btn-primary">
                    <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/></svg>
                    Tambah Device
                </button>
            </div>
        </form>
    </div>
</div>

{{-- MODAL: Edit Device --}}
<div class="modal-overlay" id="editDeviceModal">
    <div class="modal" style="max-width:520px;">
        <div class="modal-header">
            <span class="modal-title">Edit Device</span>
            <button class="modal-close" onclick="closeModal('editDeviceModal')">
                <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
            </button>
        </div>
        <form method="POST" id="editDeviceForm">
            @csrf @method('PUT')
            <div class="modal-body">
                <div class="grid-2">
                    <div class="form-group">
                        <label class="form-label">Nama Device <span class="required">*</span></label>
                        <input type="text" name="name" id="editName" class="form-control" required>
                    </div>
                    <div class="form-group">
                        <label class="form-label">Nomor WA <span class="required">*</span></label>
                        <input type="text" name="wa_number" id="editNumber" class="form-control" required>
                    </div>
                </div>
                <div class="form-group">
                    <label class="form-label">API Token Fonnte <span class="required">*</span></label>
                    <div style="position:relative;">
                        <input type="password" name="api_token" id="editToken" class="form-control" required style="padding-right:2.5rem;">
                        <button type="button" onclick="togglePwdField('editToken')"
                                style="position:absolute;right:.75rem;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--gray-400);">
                            <svg fill="none" viewBox="0 0 24 24" stroke="currentColor" style="width:16px;height:16px;"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"/></svg>
                        </button>
                    </div>
                </div>
                <div class="grid-2">
                    <div class="form-group">
                        <label class="form-label">Peran Device</label>
                        <select name="role" id="editRole" class="form-control">
                            @foreach(\App\Models\FonnteDevice::ROLE_LABELS as $val => $label)
                            <option value="{{ $val }}">{{ $label }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div class="form-group" style="display:flex;flex-direction:column;justify-content:flex-end;gap:.625rem;">
                        <label style="display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.875rem;">
                            <input type="checkbox" name="receive_webhook" id="editWebhook" value="1" style="accent-color:var(--primary);">
                            Terima pesan masuk
                        </label>
                        <label style="display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.875rem;">
                            <input type="checkbox" name="is_default" id="editDefault" value="1" style="accent-color:var(--primary);">
                            Jadikan device default
                        </label>
                    </div>
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" onclick="closeModal('editDeviceModal')">Batal</button>
                <button type="submit" class="btn btn-primary">Simpan Perubahan</button>
            </div>
        </form>
    </div>
</div>

{{-- MODAL: Test Send --}}
<div class="modal-overlay" id="testSendModal">
    <div class="modal" style="max-width:400px;">
        <div class="modal-header">
            <span class="modal-title" id="testSendTitle">Test Kirim WA</span>
            <button class="modal-close" onclick="closeModal('testSendModal')">
                <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
            </button>
        </div>
        <div class="modal-body">
            <div class="form-group" style="margin-bottom:.875rem;">
                <label class="form-label">Nomor Tujuan</label>
                <input type="text" id="testSendPhone" class="form-control" placeholder="628xxx">
            </div>
            <div id="testSendResult" style="display:none;"></div>
        </div>
        <div class="modal-footer">
            <button class="btn btn-secondary" onclick="closeModal('testSendModal')">Tutup</button>
            <button class="btn btn-success" onclick="doTestSend()" id="testSendBtn">
                <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 19l9 2-9-18-9 18 9-2zm0 0v-8"/></svg>
                Kirim Test
            </button>
        </div>
    </div>
</div>

@endsection

@push('scripts')
<script>
// Data devices untuk edit modal
var devicesData = @json($devices->keyBy('id'));
var activeTestDeviceId = null;

// -------------------------------------------------------
// Toggle password visibility
// -------------------------------------------------------
function togglePwdField(id) {
    var el = document.getElementById(id);
    el.type = el.type === 'password' ? 'text' : 'password';
}

// -------------------------------------------------------
// Edit modal
// -------------------------------------------------------
function openEditModal(id) {
    var d = devicesData[id];
    if (!d) return;

    document.getElementById('editDeviceForm').action = '/fonnte-devices/' + id;
    document.getElementById('editName').value    = d.name;
    document.getElementById('editNumber').value  = d.wa_number;
    document.getElementById('editToken').value   = d.api_token;
    document.getElementById('editRole').value    = d.role;
    document.getElementById('editWebhook').checked = d.receive_webhook;
    document.getElementById('editDefault').checked = d.is_default;

    openModal('editDeviceModal');
}

// -------------------------------------------------------
// Check device status
// -------------------------------------------------------
function checkDevice(id) {
    var badge = document.getElementById('statusBadge_' + id);
    var dot   = document.getElementById('statusDot_' + id);
    if (badge) badge.textContent = 'Mengecek...';

    fetch('/fonnte-devices/' + id + '/check', {
        headers: { 'Accept': 'application/json', 'X-CSRF-TOKEN': csrf }
    })
    .then(r => r.json())
    .then(function(data) {
        var status  = data.status || 'unknown';
        var colors  = { connected: 'var(--success)', disconnected: 'var(--danger)', error: 'var(--warning)' };
        var bgMap   = { connected: 'badge-green', disconnected: 'badge-red', error: 'badge-yellow', unknown: 'badge-gray' };

        if (badge) {
            badge.className = 'badge ' + (bgMap[status] || 'badge-gray');
            badge.textContent = status.charAt(0).toUpperCase() + status.slice(1);
        }
        if (dot) dot.style.background = colors[status] || 'var(--gray-300)';

        showFlash(status === 'connected' ? 'Device terhubung ✓' : 'Device tidak terhubung', status === 'connected' ? 'success' : 'error');
    })
    .catch(() => { if (badge) badge.textContent = 'Error'; });
}

// -------------------------------------------------------
// Check all devices
// -------------------------------------------------------
function checkAllDevices() {
    var btn = document.getElementById('checkAllBtn');
    btn.disabled = true;
    btn.textContent = 'Mengecek...';

    fetch('/fonnte-devices/check-all', {
        method: 'POST',
        headers: { 'Accept': 'application/json', 'X-CSRF-TOKEN': csrf }
    })
    .then(r => r.json())
    .then(function(data) {
        if (data.results) {
            Object.keys(data.results).forEach(function(id) {
                var result = data.results[id];
                var badge  = document.getElementById('statusBadge_' + id);
                var dot    = document.getElementById('statusDot_' + id);
                var status = result.status || 'unknown';
                var bgMap  = { connected: 'badge-green', disconnected: 'badge-red', error: 'badge-yellow', unknown: 'badge-gray' };
                var colors = { connected: 'var(--success)', disconnected: 'var(--danger)', error: 'var(--warning)' };
                if (badge) { badge.className = 'badge ' + (bgMap[status] || 'badge-gray'); badge.textContent = status.charAt(0).toUpperCase() + status.slice(1); }
                if (dot)   dot.style.background = colors[status] || 'var(--gray-300)';
            });
        }
        btn.disabled = false;
        btn.innerHTML = '<svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/></svg> Cek Semua Status';
        showFlash('Status semua device diperbarui.', 'success');
    })
    .catch(function() { btn.disabled = false; btn.textContent = 'Cek Semua Status'; });
}

// -------------------------------------------------------
// Test send
// -------------------------------------------------------
function openTestModal(deviceId, name) {
    activeTestDeviceId = deviceId;
    document.getElementById('testSendTitle').textContent = 'Test Kirim — ' + name;
    document.getElementById('testSendResult').style.display = 'none';
    document.getElementById('testSendPhone').value = '';
    openModal('testSendModal');
}

function doTestSend() {
    var phone  = document.getElementById('testSendPhone').value.trim();
    var result = document.getElementById('testSendResult');
    var btn    = document.getElementById('testSendBtn');
    if (!phone || !activeTestDeviceId) return;

    btn.disabled = true;
    result.style.display = 'none';

    fetch('/fonnte-devices/' + activeTestDeviceId + '/test-send', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json', 'X-CSRF-TOKEN': csrf, 'Accept': 'application/json' },
        body: JSON.stringify({ phone: phone }),
    })
    .then(r => r.json())
    .then(function(d) {
        btn.disabled = false;
        result.style.display = 'block';
        result.innerHTML = '<div style="padding:.625rem .875rem;border-radius:var(--radius);background:' + (d.success ? 'var(--success-light)' : 'var(--danger-light)') + ';color:' + (d.success ? '#065f46' : '#991b1b') + ';font-size:.875rem;">' + (d.success ? '✓ Pesan berhasil dikirim!' : '✗ ' + (d.message || 'Gagal')) + '</div>';
    })
    .catch(function() { btn.disabled = false; });
}
</script>
@endpush