{% extends 'layouts/base.html' %}
{% load i18n static %}
{% load standards_filters %}

{% block title %}{{ standard.code }} - {% trans "Standard Details" %}{% endblock %}

{% block extra_css %}
<style>
    :root {
        --hh-navy: #005696;
        --hh-blue: #007bbd;
        --hh-light: #eef6fb;
        --hh-slate: #64748b;
    }

    .page-header-gradient {
        background: linear-gradient(135deg, var(--hh-navy) 0%, #0069a8 50%, var(--hh-blue) 100%);
        color: white;
        padding: 1.5rem 2rem;
        border-radius: 1rem;
        margin-bottom: 1.5rem;
        box-shadow: 0 10px 15px -3px rgba(0, 86, 150, 0.2);
    }

    .section-card {
        background: white;
        border-radius: 1rem;
        border: 2px solid #e2e8f0;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        transition: all 0.3s ease;
    }
    .section-card:hover {
        border-color: #005696;
        box-shadow: 0 10px 25px -5px rgba(0, 86, 150, 0.15);
    }

    .section-header {
        padding: 1rem 1.5rem;
        border-bottom: 2px solid #e2e8f0;
        background: linear-gradient(to right, #f8fafc, #f1f5f9);
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .section-icon {
        width: 40px;
        height: 40px;
        border-radius: 0.75rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .stat-card {
        background: white;
        border-radius: 1rem;
        border: 2px solid #e2e8f0;
        padding: 1.5rem;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        transition: all 0.3s ease;
    }
    .stat-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        border-color: #005696;
    }

    .btn-transition {
        transition: all 0.2s ease-in-out;
    }
</style>
{% endblock %}

{% block content %}
<div class="px-6 py-4">
    <div class="page-header-gradient">
        <div class="flex justify-between items-center">
            <div>
                {% if parent_standard %}
                <div class="flex items-center gap-2 mb-2 text-blue-200 text-xs">
                    <a href="{% url 'standards:standard_detail' pk=parent_standard.pk %}" class="hover:text-white transition">
                        {{ parent_standard.code }}
                    </a>
                    <i data-lucide="chevron-right" class="w-3 h-3"></i>
                    <span class="text-white font-medium">{{ standard.code }}</span>
                </div>
                {% endif %}
                <h1 class="text-2xl font-bold mb-1">{{ standard.code }}</h1>
                <p class="text-blue-100 text-sm">{{ standard.title }}</p>
                {% if parent_standard %}
                <p class="text-blue-200 text-xs mt-1">
                    {% trans "Sub-standard of" %}: <a href="{% url 'standards:standard_detail' pk=parent_standard.pk %}" class="text-white hover:underline">{{ parent_standard.code }} - {{ parent_standard.title }}</a>
                </p>
                {% endif %}
            </div>
            <div class="flex gap-2">
                {% if standard.is_assessable and not standard.is_heading %}
                <span class="inline-flex items-center px-3 py-1.5 rounded-full text-xs font-bold bg-green-400/20 text-white border border-white/30">
                    <i data-lucide="check-circle" class="w-3 h-3 me-1"></i>{% trans "Assessable" %}
                </span>
                {% else %}
                <span class="inline-flex items-center px-3 py-1.5 rounded-full text-xs font-bold bg-white/10 text-white/70 border border-white/20">
                    <i data-lucide="info" class="w-3 h-3 me-1"></i>{% trans "Informational" %}
                </span>
                {% endif %}
                {% if is_px_admin %}
                <a href="{% url 'standards:standard_update' pk=standard.pk %}" class="btn-transition inline-flex items-center px-4 py-2.5 bg-green-500 text-white font-semibold rounded-xl hover:bg-green-600 transition">
                    <i data-lucide="edit-2" class="w-4 h-4 me-2"></i>{% trans "Edit" %}
                </a>
                <a href="{% url 'standards:standard_delete' pk=standard.pk %}" class="btn-transition inline-flex items-center px-4 py-2.5 bg-red-500 text-white font-semibold rounded-xl hover:bg-red-600 transition">
                    <i data-lucide="trash-2" class="w-4 h-4 me-2"></i>{% trans "Delete" %}
                </a>
                {% endif %}
                <a href="{% url 'standards:search' %}" class="btn-transition inline-flex items-center px-4 py-2.5 bg-white/10 border-2 border-white/30 text-white font-semibold rounded-xl hover:bg-white hover:text-navy transition">
                    <i data-lucide="arrow-left" class="w-4 h-4 me-2"></i>{% trans "Back to Standards" %}
                </a>
            </div>
        </div>
    </div>

    <div class="grid grid-cols-1 lg:grid-cols-3 gap-6 mb-6">
        <div class="lg:col-span-2">
            <div class="section-card">
                <div class="section-header">
                    <div class="section-icon bg-navy/10">
                        <i data-lucide="clipboard-list" class="w-5 h-5 text-navy"></i>
                    </div>
                    <h5 class="text-lg font-semibold text-navy">{% trans "Standard Information" %}</h5>
                </div>
                <div class="p-6">
                    <dl class="divide-y divide-slate-100">
                        <div class="py-3 flex justify-between">
                            <dt class="text-sm font-semibold text-slate">{% trans "Source" %}</dt>
                            <dd class="text-sm font-semibold text-navy">{{ standard.source.name }}</dd>
                        </div>
                        <div class="py-3 flex justify-between">
                            <dt class="text-sm font-semibold text-slate">{% trans "Category" %}</dt>
                            <dd class="text-sm font-semibold text-navy">{{ standard.category.name }}</dd>
                        </div>
                        <div class="py-3 flex justify-between">
                            <dt class="text-sm font-semibold text-slate">{% trans "Department" %}</dt>
                            <dd class="text-sm font-semibold text-navy">
                                {% if standard.departments.all %}
                                {{ standard.departments.all|join:", " }}
                                {% else %}
                                <span class="text-slate-400 italic">{% trans "All Departments" %}</span>
                                {% endif %}
                            </dd>
                        </div>
                        <div class="py-3 flex justify-between">
                            <dt class="text-sm font-semibold text-slate">{% trans "Assessment Method" %}</dt>
                            <dd class="text-sm font-semibold text-navy">
                                {% if standard.assessment_method %}
                                {{ standard.get_assessment_method_display }}
                                {% else %}
                                <span class="text-slate-400 italic">{% trans "Not specified" %}</span>
                                {% endif %}
                            </dd>
                        </div>
                        <div class="py-3 flex justify-between">
                            <dt class="text-sm font-semibold text-slate">{% trans "Effective Date" %}</dt>
                            <dd class="text-sm font-semibold text-navy">
                                {% if standard.effective_date %}
                                {{ standard.effective_date|date:"Y-m-d" }}
                                {% else %}
                                <span class="text-slate-400 italic">{% trans "Not specified" %}</span>
                                {% endif %}
                            </dd>
                        </div>
                        <div class="py-3 flex justify-between">
                            <dt class="text-sm font-semibold text-slate">{% trans "Review Date" %}</dt>
                            <dd class="text-sm font-semibold text-navy">
                                {% if standard.review_date %}
                                {{ standard.review_date|date:"Y-m-d" }}
                                {% else %}
                                <span class="text-slate-400 italic">{% trans "Not specified" %}</span>
                                {% endif %}
                            </dd>
                        </div>
                        {% if parent_standard %}
                        <div class="py-3 flex justify-between">
                            <dt class="text-sm font-semibold text-slate">{% trans "Parent Standard" %}</dt>
                            <dd class="text-sm font-semibold text-navy">
                                <a href="{% url 'standards:standard_detail' pk=parent_standard.pk %}" class="text-navy hover:underline">
                                    {{ parent_standard.code }} - {{ parent_standard.title }}
                                </a>
                            </dd>
                        </div>
                        {% endif %}
                        {% if sub_standards.exists %}
                        <div class="py-3 flex justify-between">
                            <dt class="text-sm font-semibold text-slate">{% trans "Sub-Standards" %}</dt>
                            <dd class="text-sm font-semibold text-navy">
                                {{ sub_standards.count }}
                            </dd>
                        </div>
                        {% endif %}
                    </dl>
                </div>
            </div>
        </div>

        <div class="lg:col-span-1">
            <div class="stat-card">
                <div class="text-center mb-4">
                    <div class="text-4xl font-bold text-navy mb-1">{{ compliance_records.count }}</div>
                    <div class="text-sm text-slate">{% trans "Assessments" %}</div>
                </div>
                <div class="space-y-2">
                    <div class="flex items-center justify-between p-2 bg-green-50 rounded-lg">
                        <span class="text-sm text-slate-700">{% trans "Met" %}</span>
                        <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-semibold bg-green-100 text-green-800">
                            {{ compliance_records|count_by:"status:met" }}
                        </span>
                    </div>
                    <div class="flex items-center justify-between p-2 bg-yellow-50 rounded-lg">
                        <span class="text-sm text-slate-700">{% trans "Partially Met" %}</span>
                        <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-semibold bg-yellow-100 text-yellow-800">
                            {{ compliance_records|count_by:"status:partially_met" }}
                        </span>
                    </div>
                    <div class="flex items-center justify-between p-2 bg-red-50 rounded-lg">
                        <span class="text-sm text-slate-700">{% trans "Not Met" %}</span>
                        <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-semibold bg-red-100 text-red-800">
                            {{ compliance_records|count_by:"status:not_met" }}
                        </span>
                    </div>
                    <div class="flex items-center justify-between p-2 bg-slate-50 rounded-lg">
                        <span class="text-sm text-slate-700">{% trans "Not Assessed" %}</span>
                        <span class="inline-flex items-center px-2 py-1 rounded-full text-xs font-semibold bg-slate-100 text-navy">
                            {{ compliance_records|count_by:"status:not_assessed" }}
                        </span>
                    </div>
                </div>

                {% if standard.is_assessable and not standard.is_heading %}
                <div class="mt-4 pt-4 border-t border-slate-200">
                    <button onclick="showNewAssessmentSection()" class="w-full px-4 py-2.5 bg-navy text-white font-semibold rounded-xl hover:bg-blue transition flex items-center justify-center gap-2">
                        <i data-lucide="plus-circle" class="w-4 h-4"></i>{% trans "New Assessment" %}
                    </button>
                </div>
                {% endif %}
            </div>
        </div>
    </div>

    <div class="section-card mb-6">
        <div class="section-header">
            <div class="section-icon bg-blue/10">
                <i data-lucide="file-text" class="w-5 h-5 text-blue"></i>
            </div>
            <h5 class="text-lg font-semibold text-navy">{% trans "Description" %}</h5>
        </div>
        <div class="p-6">
            <div class="text-sm text-slate-700 leading-relaxed">
                {{ standard.description|linebreaks }}
            </div>
        </div>
    </div>

    {% if sub_standards.exists %}
    <div class="section-card mb-6">
        <div class="section-header">
            <div class="section-icon bg-indigo/10">
                <i data-lucide="git-branch" class="w-5 h-5 text-indigo-600"></i>
            </div>
            <h5 class="text-lg font-semibold text-navy">{% trans "Sub-Standards" %} ({{ sub_standards.count }})</h5>
        </div>
        <div class="p-0">
            <div class="overflow-x-auto">
                <table class="min-w-full divide-y divide-slate-100">
                    <thead class="bg-slate-50 border-b">
                        <tr>
                            <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Code" %}</th>
                            <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Title" %}</th>
                            <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Assessable" %}</th>
                            <th class="px-4 py-3 text-right text-[10px] font-bold text-slate uppercase">{% trans "Actions" %}</th>
                        </tr>
                    </thead>
                    <tbody class="bg-white divide-y divide-slate-100">
                        {% for sub in sub_standards %}
                        <tr class="hover:bg-slate-50 transition">
                            <td class="px-6 py-4 whitespace-nowrap">
                                <span class="inline-flex items-center px-2.5 py-0.5 rounded-lg text-[11px] font-semibold bg-indigo-50 text-indigo-700">{{ sub.code }}</span>
                            </td>
                            <td class="px-6 py-4">
                                <a href="{% url 'standards:standard_detail' pk=sub.id %}" class="text-sm font-medium text-navy hover:text-navy transition">{{ sub.title }}</a>
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap">
                                {% if sub.is_assessable and not sub.is_heading %}
                                <span class="inline-flex items-center px-1.5 py-0.5 rounded text-[9px] font-bold uppercase bg-green-100 text-green-700">{% trans "Yes" %}</span>
                                {% else %}
                                <span class="inline-flex items-center px-1.5 py-0.5 rounded text-[9px] font-bold uppercase bg-slate-100 text-slate">{% trans "No" %}</span>
                                {% endif %}
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap text-right">
                                <a href="{% url 'standards:standard_detail' pk=sub.id %}" class="btn-transition inline-flex items-center px-3 py-1.5 bg-navy text-white text-xs font-semibold rounded-lg hover:bg-blue transition">
                                    <i data-lucide="eye" class="w-3 h-3 me-1"></i>{% trans "View" %}
                                </a>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>
    </div>
    {% endif %}

    {% if not standard.is_assessable or standard.is_heading %}
    <div class="section-card p-8 text-center">
        <div class="w-16 h-16 mx-auto mb-4 rounded-full bg-blue-50 flex items-center justify-center">
            <i data-lucide="info" class="w-8 h-8 text-blue"></i>
        </div>
        <h3 class="text-lg font-bold text-navy mb-2">{% trans "Informational Standard" %}</h3>
        <p class="text-slate text-sm">{% trans "This standard is informational only and does not require assessment or evidence upload." %}</p>
    </div>
    {% else %}

    <!-- New Assessment Section (hidden by default) -->
    <div id="newAssessmentSection" class="section-card mb-6 hidden" style="border-color: #10b981;">
        <div class="section-header" style="background: linear-gradient(to right, #ecfdf5, #d1fae5); border-color: #a7f3d0;">
            <div class="section-icon bg-green-100">
                <i data-lucide="plus-circle" class="w-5 h-5 text-green-600"></i>
            </div>
            <h5 class="text-lg font-semibold text-green-800">{% trans "New Assessment" %}</h5>
            <button type="button" onclick="hideNewAssessmentSection()" class="ml-auto text-green-600 hover:text-green-800 transition">
                <i data-lucide="x" class="w-5 h-5"></i>
            </button>
        </div>
        <div class="p-6">
            <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
                <div>
                    <label class="block text-xs font-bold text-slate uppercase tracking-wider mb-2">{% trans "Department" %} <span class="text-red-500">*</span></label>
                    <select id="newDeptSelect" class="w-full px-4 py-3 border-2 border-slate-200 rounded-xl text-sm focus:ring-2 focus:ring-navy/20 focus:border-navy outline-none">
                        <option value="">{% trans "Select Department..." %}</option>
                        {% for dept in departments %}
                        <option value="{{ dept.id }}">{{ dept.name }}</option>
                        {% endfor %}
                    </select>
                </div>
                <div>
                    <label class="block text-xs font-bold text-slate uppercase tracking-wider mb-2">{% trans "Compliance Status" %} <span class="text-red-500">*</span></label>
                    <select id="newStatusSelect" class="w-full px-4 py-3 border-2 border-slate-200 rounded-xl text-sm focus:ring-2 focus:ring-navy/20 focus:border-navy outline-none">
                        <option value="">{% trans "Select Status..." %}</option>
                        <option value="met">{% trans "Met" %}</option>
                        <option value="partially_met">{% trans "Partially Met" %}</option>
                        <option value="not_met">{% trans "Not Met" %}</option>
                        <option value="not_applicable">{% trans "Not Applicable" %}</option>
                    </select>
                </div>
            </div>
            <div class="mb-4">
                <label class="block text-xs font-bold text-slate uppercase tracking-wider mb-2">{% trans "Notes" %}</label>
                <textarea id="newNotes" rows="3" class="w-full px-4 py-3 border-2 border-slate-200 rounded-xl text-sm focus:ring-2 focus:ring-navy/20 focus:border-navy outline-none resize-none" placeholder="{% trans 'Assessment notes...' %}"></textarea>
            </div>
            <div class="mb-4">
                <label class="block text-xs font-bold text-slate uppercase tracking-wider mb-2">{% trans "Evidence Summary" %}</label>
                <textarea id="newEvidenceSummary" rows="3" class="w-full px-4 py-3 border-2 border-slate-200 rounded-xl text-sm focus:ring-2 focus:ring-navy/20 focus:border-navy outline-none resize-none" placeholder="{% trans 'Summarize the evidence...' %}"></textarea>
            </div>
            <div class="flex gap-3">
                <button type="button" onclick="submitNewAssessment()" class="px-6 py-2.5 bg-green-500 text-white font-semibold rounded-xl hover:bg-green-600 transition flex items-center gap-2">
                    <i data-lucide="save" class="w-4 h-4"></i>{% trans "Save Assessment" %}
                </button>
                <button type="button" onclick="hideNewAssessmentSection()" class="px-6 py-2.5 border-2 border-slate-200 text-slate font-semibold rounded-xl hover:bg-slate-50 transition">{% trans "Cancel" %}</button>
            </div>
        </div>
    </div>

    <!-- Compliance by Department -->
    <div class="section-card">
        <div class="section-header">
            <div class="section-icon bg-navy/10">
                <i data-lucide="building-2" class="w-5 h-5 text-navy"></i>
            </div>
            <h5 class="text-lg font-semibold text-navy">{% trans "Compliance by Department" %}</h5>
        </div>
        <div class="p-0">
            {% if compliance_records %}
            <div class="overflow-x-auto">
                <table class="min-w-full divide-y divide-slate-100">
                    <thead class="bg-slate-50 border-b">
                        <tr>
                            <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Department" %}</th>
                            <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Status" %}</th>
                            <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Last Assessed" %}</th>
                            <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Assessor" %}</th>
                            <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Evidence" %}</th>
                            <th class="px-4 py-3 text-right text-[10px] font-bold text-slate uppercase">{% trans "Actions" %}</th>
                        </tr>
                    </thead>
                    <tbody class="bg-white divide-y divide-slate-100">
                        {% for record in compliance_records %}
                        <tr class="hover:bg-slate-50 transition" data-compliance-id="{{ record.id }}">
                            <td class="px-6 py-4 whitespace-nowrap">
                                <a href="{% url 'standards:department_standards' pk=record.department.id %}" class="text-sm font-medium text-navy hover:text-navy transition">
                                    {{ record.department.name }}
                                </a>
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap">
                                {% if record.status == 'met' %}
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-[10px] font-bold uppercase bg-green-100 text-green-800">
                                    <i data-lucide="check-circle" class="w-3 h-3 me-1"></i>{{ record.get_status_display }}
                                </span>
                                {% elif record.status == 'partially_met' %}
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-[10px] font-bold uppercase bg-yellow-100 text-yellow-800">
                                    <i data-lucide="alert-circle" class="w-3 h-3 me-1"></i>{{ record.get_status_display }}
                                </span>
                                {% elif record.status == 'not_met' %}
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-[10px] font-bold uppercase bg-red-100 text-red-800">
                                    <i data-lucide="x-circle" class="w-3 h-3 me-1"></i>{{ record.get_status_display }}
                                </span>
                                {% else %}
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-[10px] font-bold uppercase bg-slate-100 text-navy">
                                    <i data-lucide="help-circle" class="w-3 h-3 me-1"></i>{{ record.get_status_display }}
                                </span>
                                {% endif %}
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-slate">
                                {% if record.last_assessed_date %}
                                {{ record.last_assessed_date|date:"Y-m-d" }}
                                {% else %}
                                <span class="text-slate-400 italic">{% trans "Not assessed" %}</span>
                                {% endif %}
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap text-sm text-slate">
                                {% if record.assessor %}
                                {{ record.assessor.get_full_name }}
                                {% else %}
                                <span class="text-slate-400">-</span>
                                {% endif %}
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap">
                                <span class="inline-flex items-center px-2 py-1 rounded-full text-[10px] font-bold uppercase bg-blue-100 text-blue-800">
                                    <i data-lucide="file-text" class="w-3 h-3 me-1"></i>{{ record.attachment_count }}
                                </span>
                            </td>
                            <td class="px-6 py-4 whitespace-nowrap text-right">
                                <div class="flex gap-2 justify-end">
                                    <button onclick="openAssessModal('{{ record.id }}')" class="btn-transition inline-flex items-center px-3 py-1.5 bg-navy text-white text-xs font-semibold rounded-lg hover:bg-blue transition" title="{% trans 'Assess' %}">
                                        <i data-lucide="clipboard-check" class="w-3 h-3"></i>
                                    </button>
                                    <button onclick="openEvidenceModal('{{ record.id }}', '{{ standard.code|escapejs }}', '{{ standard.title|escapejs }}')" class="btn-transition inline-flex items-center px-3 py-1.5 bg-white border border-slate-200 text-navy text-xs font-semibold rounded-lg hover:bg-navy hover:text-white transition" title="{% trans 'Evidence' %}">
                                        <i data-lucide="upload-cloud" class="w-3 h-3"></i>
                                    </button>
                                </div>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
            {% else %}
            <div class="text-center py-12 text-slate">
                <i data-lucide="inbox" class="w-12 h-12 mx-auto mb-3 text-slate-300"></i>
                <p class="mb-2">{% trans "No compliance assessments yet" %}</p>
                <button onclick="showNewAssessmentSection()" class="inline-flex items-center px-4 py-2 bg-navy text-white font-semibold rounded-xl hover:bg-blue transition gap-2">
                    <i data-lucide="plus-circle" class="w-4 h-4"></i>{% trans "Create First Assessment" %}
                </button>
            </div>
            {% endif %}
        </div>
    </div>
    {% endif %}
</div>

<!-- Assessment Modal -->
<div class="hidden fixed inset-0 bg-black/50 flex items-center justify-center z-50" id="assessmentModal">
    <div class="bg-white rounded-2xl shadow-2xl max-w-lg w-full mx-4 max-h-[90vh] overflow-y-auto">
        <div class="flex justify-between items-center p-6 border-b border-slate-200">
            <h5 class="text-xl font-bold text-navy">{% trans "Update Assessment" %}</h5>
            <button type="button" class="text-slate-400 hover:text-slate transition" onclick="closeModal('assessmentModal')">
                <i data-lucide="x" class="w-6 h-6"></i>
            </button>
        </div>
        <form id="assessmentForm">
            <div class="p-6 space-y-4">
                <input type="hidden" id="complianceId" name="compliance_id">

                <div>
                    <label for="status" class="block text-sm font-semibold text-slate mb-2">{% trans "Compliance Status" %} <span class="text-red-500">*</span></label>
                    <select class="w-full px-4 py-2.5 border border-slate-200 rounded-lg focus:ring-2 focus:ring-navy/20 outline-none transition" id="status" name="status" required>
                        <option value="not_assessed">{% trans "Not Assessed" %}</option>
                        <option value="met">{% trans "Met" %}</option>
                        <option value="partially_met">{% trans "Partially Met" %}</option>
                        <option value="not_met">{% trans "Not Met" %}</option>
                        <option value="not_applicable">{% trans "Not Applicable" %}</option>
                    </select>
                </div>

                <div>
                    <label for="last_assessed_date" class="block text-sm font-semibold text-slate mb-2">{% trans "Assessment Date" %}</label>
                    <input type="date" class="w-full px-4 py-2.5 border border-slate-200 rounded-lg focus:ring-2 focus:ring-navy/20 outline-none transition" id="last_assessed_date" name="last_assessed_date">
                    <p class="mt-1 text-xs text-slate">{% trans "Defaults to today" %}</p>
                </div>

                <div>
                    <label class="block text-sm font-semibold text-slate mb-2">{% trans "Assessor" %}</label>
                    <input type="text" class="w-full px-4 py-2.5 border border-slate-200 rounded-lg bg-slate-50 text-slate transition" id="assessor" name="assessor" readonly>
                    <input type="hidden" id="assessor_id" name="assessor_id" value="{{ request.user.id }}">
                </div>

                <div>
                    <label for="notes" class="block text-sm font-semibold text-slate mb-2">{% trans "Notes" %}</label>
                    <textarea class="w-full px-4 py-2.5 border border-slate-200 rounded-lg focus:ring-2 focus:ring-navy/20 outline-none transition" id="notes" name="notes" rows="3" placeholder="{% trans 'Assessment notes...' %}"></textarea>
                </div>

                <div>
                    <label for="evidence_summary" class="block text-sm font-semibold text-slate mb-2">{% trans "Evidence Summary" %}</label>
                    <textarea class="w-full px-4 py-2.5 border border-slate-200 rounded-lg focus:ring-2 focus:ring-navy/20 outline-none transition" id="evidence_summary" name="evidence_summary" rows="3" placeholder="{% trans 'Summarize the evidence...' %}"></textarea>
                </div>
            </div>
            <div class="flex justify-end gap-3 p-6 border-t border-slate-200 bg-slate-50 rounded-b-2xl">
                <button type="button" class="px-6 py-2.5 border border-slate-200 text-slate rounded-xl font-semibold hover:bg-slate-50 transition" onclick="closeModal('assessmentModal')">{% trans "Cancel" %}</button>
                <button type="submit" class="px-6 py-2.5 bg-green-500 text-white font-semibold rounded-xl hover:bg-green-600 transition inline-flex items-center">
                    <i data-lucide="save" class="w-4 h-4 me-2"></i>{% trans "Save Assessment" %}
                </button>
            </div>
        </form>
    </div>
</div>

<!-- Evidence Modal -->
<div class="hidden fixed inset-0 bg-black/50 flex items-center justify-center z-50" id="evidenceModal">
    <div class="bg-white rounded-2xl shadow-2xl max-w-4xl w-full mx-4 max-h-[90vh] overflow-y-auto border border-slate-200">
        <div class="flex justify-between items-center p-6 border-b border-slate-200 bg-gradient-to-r from-navy to-blue">
            <div>
                <h5 class="text-xl font-bold text-white">{% trans "Evidence Management" %}</h5>
                <p class="text-sm text-blue-100 mt-1" id="evidenceModalTitle"></p>
            </div>
            <button type="button" class="text-white/70 hover:text-white transition" onclick="closeModal('evidenceModal')">
                <i data-lucide="x" class="w-6 h-6"></i>
            </button>
        </div>
        <div class="p-6 space-y-6 bg-gradient-to-b from-slate-50 to-white">
            <div class="bg-white rounded-xl p-5 border border-slate-200 shadow-sm">
                <h6 class="text-sm font-semibold text-navy mb-4 flex items-center">
                    <span class="w-8 h-8 rounded-lg bg-navy/10 flex items-center justify-center mr-3"><i data-lucide="upload-cloud" class="w-4 h-4 text-navy"></i></span>
                    {% trans "Upload New Attachment" %}
                </h6>
                <form id="evidenceUploadForm" class="space-y-4">
                    <div>
                        <label class="block text-sm font-semibold text-slate mb-2">{% trans "File" %}</label>
                        <input type="file" id="evidenceFile" name="file" accept=".pdf,.doc,.docx,.xls,.xlsx,.jpg,.jpeg,.png,.zip" class="block w-full text-sm text-navy border border-slate-200 rounded-lg cursor-pointer bg-white focus:outline-none focus:ring-2 focus:ring-navy/20 outline-none">
                        <p class="mt-2 text-xs text-slate"><i data-lucide="info" class="w-3 h-3 inline mr-1"></i>{% trans "Accepted: PDF, DOC, DOCX, XLS, XLSX, JPG, PNG, ZIP (max 50MB)" %}</p>
                    </div>
                    <div>
                        <label class="block text-sm font-semibold text-slate mb-2">{% trans "Description" %}</label>
                        <textarea id="evidenceDescription" name="description" rows="2" class="w-full px-4 py-3 border border-slate-200 rounded-lg focus:ring-2 focus:ring-navy/20 outline-none transition" placeholder="{% trans 'Add a description...' %}"></textarea>
                    </div>
                    <div id="uploadProgress" class="hidden">
                        <div class="w-full bg-slate-200 rounded-full h-2.5">
                            <div id="uploadProgressBar" class="bg-navy h-2.5 rounded-full transition-all duration-300" style="width: 0%"></div>
                        </div>
                        <p class="text-xs text-slate mt-2 flex items-center"><i data-lucide="loader-2" class="w-3 h-3 inline mr-1 animate-spin"></i>{% trans "Uploading..." %}</p>
                    </div>
                    <div id="uploadError" class="hidden text-sm text-red-600 bg-red-50 border border-red-200 p-3 rounded-lg"></div>
                    <button type="button" onclick="uploadEvidence()" class="inline-flex items-center px-5 py-2.5 bg-navy text-white text-sm font-semibold rounded-xl hover:bg-blue transition shadow-md hover:shadow-lg">
                        <i data-lucide="upload" class="w-4 h-4 mr-2"></i>{% trans "Upload" %}
                    </button>
                </form>
            </div>
            <div>
                <h6 class="text-sm font-semibold text-navy mb-4 flex items-center">
                    <span class="w-8 h-8 rounded-lg bg-navy/10 flex items-center justify-center mr-3"><i data-lucide="paperclip" class="w-4 h-4 text-navy"></i></span>
                    {% trans "Existing Attachments" %}
                </h6>
                <div class="overflow-x-auto border border-slate-200 rounded-xl bg-white shadow-sm">
                    <table class="min-w-full divide-y divide-slate-100">
                        <thead class="bg-slate-50 border-b">
                            <tr>
                                <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "File" %}</th>
                                <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Description" %}</th>
                                <th class="px-4 py-3 text-left text-[10px] font-bold text-slate uppercase">{% trans "Uploaded" %}</th>
                                <th class="px-4 py-3 text-right text-[10px] font-bold text-slate uppercase">{% trans "Actions" %}</th>
                            </tr>
                        </thead>
                        <tbody id="attachmentsList" class="bg-white divide-y divide-slate-100">
                            <tr><td colspan="4" class="px-6 py-8 text-center text-slate"><p class="text-sm">{% trans "Loading..." %}</p></td></tr>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
        <div class="flex justify-end gap-3 p-6 border-t border-slate-200 bg-slate-50 rounded-b-2xl">
            <button type="button" class="px-6 py-2.5 bg-white border border-slate-200 text-slate-700 font-semibold rounded-xl hover:bg-slate-50 hover:border-slate-300 transition shadow-sm" onclick="closeModal('evidenceModal')">
                <i data-lucide="x" class="w-4 h-4 mr-2 inline"></i>{% trans "Close" %}
            </button>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
const standardId = '{{ standard.id }}';
const userData = {
    id: '{{ request.user.id }}',
    fullName: "{% if request.user.get_full_name %}{{ request.user.get_full_name|escapejs }}{% else %}{{ request.user.username|escapejs }}{% endif %}"
};

document.addEventListener('DOMContentLoaded', function() {
    const dateInput = document.getElementById('last_assessed_date');
    if (dateInput && !dateInput.value) {
        dateInput.value = new Date().toISOString().split('T')[0];
    }
    const assessorInput = document.getElementById('assessor');
    if (assessorInput) assessorInput.value = userData.fullName;

    const form = document.getElementById('assessmentForm');
    if (form) {
        form.addEventListener('submit', function(e) {
            e.preventDefault();
            submitAssessment();
        });
    }
});

function getCookie(name) {
    let cookieValue = null;
    if (document.cookie && document.cookie !== '') {
        const cookies = document.cookie.split(';');
        for (let i = 0; i < cookies.length; i++) {
            const cookie = cookies[i].trim();
            if (cookie.substring(0, name.length + 1) === (name + '=')) {
                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                break;
            }
        }
    }
    return cookieValue;
}

function showModal(modalId) {
    const modal = document.getElementById(modalId);
    if (modal) {
        modal.classList.remove('hidden');
        setTimeout(() => { if (typeof lucide !== 'undefined') lucide.createIcons(); }, 100);
    }
}

function closeModal(modalId) {
    const modal = document.getElementById(modalId);
    if (modal) modal.classList.add('hidden');
}

function showNewAssessmentSection() {
    document.getElementById('newAssessmentSection').classList.remove('hidden');
    document.getElementById('newAssessmentSection').scrollIntoView({ behavior: 'smooth', block: 'center' });
    setTimeout(() => { if (typeof lucide !== 'undefined') lucide.createIcons(); }, 100);
}

function hideNewAssessmentSection() {
    document.getElementById('newAssessmentSection').classList.add('hidden');
}

function submitNewAssessment() {
    const departmentId = document.getElementById('newDeptSelect').value;
    const status = document.getElementById('newStatusSelect').value;
    const notes = document.getElementById('newNotes').value;
    const evidenceSummary = document.getElementById('newEvidenceSummary').value;

    if (!departmentId || !status) {
        alert('{% trans "Please select a department and status." %}');
        return;
    }

    fetch('{% url "standards:compliance_update_ajax" %}', {
        method: 'POST',
        headers: { 'X-CSRFToken': getCookie('csrftoken'), 'Content-Type': 'application/json' },
        body: JSON.stringify({
            department_id: departmentId,
            standard_id: standardId,
            status: status,
            notes: notes,
            evidence_summary: evidenceSummary,
            last_assessed_date: new Date().toISOString().split('T')[0],
            assessor_id: userData.id
        })
    })
    .then(r => r.json())
    .then(data => {
        if (data.success) {
            location.reload();
        } else {
            alert('{% trans "Error:" %} ' + (data.error || '{% trans "Unknown error" %}'));
        }
    })
    .catch(err => alert('{% trans "Error:" %} ' + err.message));
}

function openAssessModal(complianceId) {
    document.getElementById('complianceId').value = complianceId;
    document.getElementById('status').value = 'met';
    document.getElementById('notes').value = '';
    document.getElementById('evidence_summary').value = '';
    document.getElementById('last_assessed_date').value = new Date().toISOString().split('T')[0];
    document.getElementById('assessor').value = userData.fullName;
    showModal('assessmentModal');
}

function submitAssessment() {
    const complianceId = document.getElementById('complianceId').value;
    const status = document.getElementById('status').value;
    const notes = document.getElementById('notes').value;
    const evidenceSummary = document.getElementById('evidence_summary').value;
    const lastAssessedDate = document.getElementById('last_assessed_date').value;
    const assessorId = document.getElementById('assessor_id').value;

    if (!complianceId || !status) {
        alert('{% trans "Missing required fields" %}');
        return;
    }

    fetch('{% url "standards:compliance_update_ajax" %}', {
        method: 'POST',
        headers: { 'X-CSRFToken': getCookie('csrftoken'), 'Content-Type': 'application/json' },
        body: JSON.stringify({
            compliance_id: complianceId,
            status: status,
            notes: notes,
            evidence_summary: evidenceSummary,
            last_assessed_date: lastAssessedDate,
            assessor_id: assessorId
        })
    })
    .then(r => r.json())
    .then(data => {
        if (data.success) {
            closeModal('assessmentModal');
            location.reload();
        } else {
            alert('{% trans "Error:" %} ' + (data.error || '{% trans "Unknown error" %}'));
        }
    })
    .catch(err => alert('{% trans "Error:" %} ' + err.message));
}

let currentEvidenceComplianceId = null;

function openEvidenceModal(complianceId, standardCode, standardTitle) {
    currentEvidenceComplianceId = complianceId;
    document.getElementById('evidenceModalTitle').textContent = standardCode + ' - ' + standardTitle;
    document.getElementById('evidenceUploadForm').reset();
    document.getElementById('uploadProgress').classList.add('hidden');
    document.getElementById('uploadError').classList.add('hidden');
    loadAttachments(complianceId);
    showModal('evidenceModal');
}

function loadAttachments(complianceId) {
    const attachmentsList = document.getElementById('attachmentsList');
    attachmentsList.innerHTML = '<tr><td colspan="4" class="px-6 py-4 text-center text-slate">{% trans "Loading..." %}</td></tr>';

    fetch('{% url "standards:attachments_list_ajax" "00000000-0000-0000-0000-000000000000" %}'.replace('00000000-0000-0000-0000-000000000000', complianceId), {
        method: 'GET',
        headers: { 'X-CSRFToken': getCookie('csrftoken') }
    })
    .then(r => r.json())
    .then(data => {
        if (data.success) renderAttachments(data.attachments);
        else attachmentsList.innerHTML = '<tr><td colspan="4" class="px-6 py-4 text-center text-red-500">{% trans "Error loading attachments" %}</td></tr>';
    })
    .catch(err => {
        attachmentsList.innerHTML = '<tr><td colspan="4" class="px-6 py-4 text-center text-red-500">{% trans "Error loading attachments" %}</td></tr>';
    });
}

function renderAttachments(attachments) {
    const attachmentsList = document.getElementById('attachmentsList');

    if (attachments.length === 0) {
        attachmentsList.innerHTML = '<tr><td colspan="4" class="px-6 py-10 text-center text-slate"><div class="w-16 h-16 mx-auto mb-3 rounded-full bg-navy/10 flex items-center justify-center"><i data-lucide="inbox" class="w-8 h-8 text-navy/50"></i></div><p class="text-sm">{% trans "No attachments yet" %}</p><p class="text-xs text-slate-400 mt-1">{% trans "Upload files above" %}</p></td></tr>';
        if (typeof lucide !== 'undefined') lucide.createIcons();
        return;
    }

    attachmentsList.innerHTML = attachments.map(att => `
        <tr class="hover:bg-navy/5 transition border-b border-slate-100 last:border-b-0">
            <td class="px-4 py-4 whitespace-nowrap">
                <div class="flex items-center">
                    <span class="w-8 h-8 rounded-lg bg-navy/10 flex items-center justify-center mr-3"><i data-lucide="file-text" class="w-4 h-4 text-navy"></i></span>
                    <span class="text-sm font-medium text-navy">${escapeHtml(att.filename)}</span>
                </div>
            </td>
            <td class="px-4 py-4"><span class="text-sm text-slate">${escapeHtml(att.description) || '<span class="text-slate-400 italic">{% trans "No description" %}</span>'}</span></td>
            <td class="px-4 py-4 whitespace-nowrap text-sm"><span class="text-navy font-medium">${escapeHtml(att.uploaded_by)}</span><div class="text-xs text-slate-400">${att.uploaded_at}</div></td>
            <td class="px-4 py-4 whitespace-nowrap text-right">
                <div class="flex gap-2 justify-end">
                    <a href="${att.file_url}" target="_blank" class="btn-transition inline-flex items-center px-3 py-1.5 bg-navy text-white text-xs font-semibold rounded-lg hover:bg-blue transition shadow-sm" title="{% trans 'Download' %}"><i data-lucide="download" class="w-3 h-3"></i></a>
                    <button type="button" onclick="deleteAttachment('${att.id}')" class="btn-transition inline-flex items-center px-3 py-1.5 bg-white border border-red-200 text-red-600 text-xs font-semibold rounded-lg hover:bg-red-50 hover:border-red-300 transition" title="{% trans 'Delete' %}"><i data-lucide="trash-2" class="w-3 h-3"></i></button>
                </div>
            </td>
        </tr>
    `).join('');

    if (typeof lucide !== 'undefined') lucide.createIcons();
}

function escapeHtml(text) {
    if (!text) return '';
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}

function uploadEvidence() {
    const fileInput = document.getElementById('evidenceFile');
    const descriptionInput = document.getElementById('evidenceDescription');
    const progressBar = document.getElementById('uploadProgressBar');
    const progressContainer = document.getElementById('uploadProgress');
    const errorDiv = document.getElementById('uploadError');

    if (!fileInput.files || fileInput.files.length === 0) {
        errorDiv.textContent = '{% trans "Please select a file" %}';
        errorDiv.classList.remove('hidden');
        return;
    }

    const file = fileInput.files[0];
    if (file.size > 50 * 1024 * 1024) {
        errorDiv.textContent = '{% trans "File size must be less than 50MB" %}';
        errorDiv.classList.remove('hidden');
        return;
    }

    errorDiv.classList.add('hidden');
    progressContainer.classList.remove('hidden');
    progressBar.style.width = '0%';

    const formData = new FormData();
    formData.append('compliance_id', currentEvidenceComplianceId);
    formData.append('file', file);
    formData.append('description', descriptionInput.value);

    const xhr = new XMLHttpRequest();
    xhr.upload.addEventListener('progress', function(e) {
        if (e.lengthComputable) progressBar.style.width = (e.loaded / e.total * 100) + '%';
    });
    xhr.addEventListener('load', function() {
        progressContainer.classList.add('hidden');
        if (xhr.status === 200) {
            const response = JSON.parse(xhr.responseText);
            if (response.success) {
                document.getElementById('evidenceUploadForm').reset();
                loadAttachments(currentEvidenceComplianceId);
            } else {
                errorDiv.textContent = response.error || '{% trans "Upload failed" %}';
                errorDiv.classList.remove('hidden');
            }
        } else {
            errorDiv.textContent = '{% trans "Upload failed" %}';
            errorDiv.classList.remove('hidden');
        }
    });
    xhr.addEventListener('error', function() {
        progressContainer.classList.add('hidden');
        errorDiv.textContent = '{% trans "Upload failed" %}';
        errorDiv.classList.remove('hidden');
    });
    xhr.open('POST', '{% url "standards:attachment_upload_ajax" %}', true);
    xhr.setRequestHeader('X-CSRFToken', getCookie('csrftoken'));
    xhr.send(formData);
}

function deleteAttachment(attachmentId) {
    if (!confirm('{% trans "Are you sure you want to delete this attachment?" %}')) return;

    const url = '{% url "standards:attachment_delete_ajax" "00000000-0000-0000-0000-000000000000" %}'.replace('00000000-0000-0000-0000-000000000000', attachmentId);

    fetch(url, {
        method: 'POST',
        headers: { 'X-CSRFToken': getCookie('csrftoken'), 'Content-Type': 'application/json' }
    })
    .then(r => r.json())
    .then(data => {
        if (data.success) loadAttachments(currentEvidenceComplianceId);
        else alert('{% trans "Error:" %} ' + (data.error || '{% trans "Unknown error" %}'));
    })
    .catch(err => alert('{% trans "Error deleting attachment" %}'));
}

document.addEventListener('click', function(e) {
    if (e.target && e.target.id === 'assessmentModal') closeModal('assessmentModal');
    if (e.target && e.target.id === 'evidenceModal') closeModal('evidenceModal');
});
</script>
{% endblock %}