:root {
    /* الألوان الرئيسية - الوضع الفاتح */
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --border-focus: #93c5fd;
    --success-color: #10b981;
    --green-color: #059669;
    --green-light: #34d399;
    --red-color: #ef4444;
    --chart-grid: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.05);
}

.dark-theme {
    /* الألوان الرئيسية - الوضع المظلم */
    --primary-color: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #2563eb;
    --bg-color: #111827;
    --card-bg: #1f2937;
    --text-color: #f3f4f6;
    --text-light: #d1d5db;
    --border-color: #374151;
    --border-focus: #60a5fa;
    --success-color: #10b981;
    --green-color: #34d399;
    --green-light: #6ee7b7;
    --red-color: #f87171;
    --chart-grid: #374151;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Tajawal', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    direction: rtl;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 10px 25px var(--shadow-color);
    overflow: hidden;
    animation: fadeIn 0.5s ease-in-out;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.card-header {
    padding: 24px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    position: relative;
}

.theme-toggle {
    position: absolute;
    top: 20px;
    left: 20px;
}

#themeToggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

#themeToggle:hover {
    transform: rotate(30deg);
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.tabs {
    display: flex;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    flex: 1;
    text-align: center;
    padding: 14px 20px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-light);
    transition: all 0.3s ease;
    font-weight: 500;
    white-space: nowrap;
}

.tab:hover {
    background-color: rgba(243, 244, 246, 0.2);
}

.tab-active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    background-color: rgba(219, 234, 254, 0.1);
}

.tab-content {
    padding: 24px;
}

.hidden {
    display: none;
}

form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.icon {
    margin-left: 8px;
    font-size: 1.1rem;
    width: 18px;
    display: inline-block;
    text-align: center;
}

input, select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.chart-container {
    width: 100%;
    height: 300px;
    margin: 20px 0;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.results {
    padding: 0 24px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.result-card {
    background-color: rgba(243, 244, 246, 0.1);
    border-radius: 12px;
    padding: 20px;
    animation: slideUp 0.5s ease-in-out;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border 0.3s ease;
}

.result-card h2 {
    margin-bottom: 16px;
    font-size: 1.3rem;
    color: var(--primary-dark);
    text-align: center;
}

.technical-results h2 {
    color: var(--primary-dark);
}

.economic-results h2 {
    color: var(--green-color);
}

.battery-results h2, .consumption-results h2 {
    color: var(--primary-light);
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
}

.highlight {
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 1.1rem;
    border-bottom: none;
    background-color: rgba(219, 234, 254, 0.2);
    padding: 12px;
    border-radius: 8px;
    margin-top: 16px;
    margin-bottom: 16px;
}

.economic-results .highlight {
    color: var(--green-color);
    background-color: rgba(209, 250, 229, 0.2);
}

.battery-results .highlight, .consumption-results .highlight {
    color: var(--primary-light);
    background-color: rgba(219, 234, 254, 0.2);
}

.btn {
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    transition: all 0.3s ease;
    margin: 0 5px;
}

.btn i {
    margin-left: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--text-light);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--text-color);
}

.export-section {
    text-align: center;
    padding: 0 24px 24px;
}

footer {
    text-align: center;
    margin-top: 24px;
    padding-bottom: 24px;
    color: var(--text-light);
    font-size: 0.9rem;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* بعض التعديلات للشاشات الصغيرة */
@media (max-width: 768px) {
    .container {
        margin: 20px auto;
    }
    
    .card-header {
        padding: 20px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    input, select {
        padding: 10px 14px;
    }
    
    .results {
        grid-template-columns: 1fr;
    }
    
    .tab {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
}

/* تأثيرات التحويم */
input:hover, select:hover {
    border-color: var(--primary-light);
}

/* تأثيرات التحديث */
.updated {
    animation: highlight 1s ease;
}

.positive-change {
    color: var(--green-color);
    font-weight: bold;
}

.negative-change {
    color: var(--red-color);
    font-weight: bold;
}

@keyframes highlight {
    0% { background-color: rgba(219, 234, 254, 0.4); }
    100% { background-color: transparent; }
}

/* تنسيقات قسم العاكسات ومنظمات الشحن */
.section-title {
    font-weight: 700;
    color: var(--primary-color);
    margin: 25px 0 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.info-box {
    background-color: rgba(219, 234, 254, 0.3);
    border-radius: 8px;
    padding: 12px 15px;
    margin: 10px 0 20px 0;
    border-left: 4px solid var(--primary-color);
    display: flex;
    align-items: flex-start;
}

.info-box i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-left: 10px;
    margin-top: 3px;
}

.info-box p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-color);
}

.mppt-info {
    border-left-color: var(--green-color);
}

.mppt-info i {
    color: var(--green-color);
}

.pwm-info {
    border-left-color: var(--primary-color);
}

.inverter-results h2 {
    color: var(--primary-color);
}

/* تنسيقات للخريطة والمسار الشمسي */
.map-container {
    width: 100%;
    height: 300px;
    margin: 15px 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    z-index: 1; /* ضمان أن الخريطة تظهر فوق العناصر الأخرى */
    position: relative; /* ضروري للتطبيق الصحيح للـ z-index */
}

/* ضمان عرض عناصر الخريطة الداخلية بشكل صحيح */
.leaflet-tile-container {
    z-index: auto !important;
}

.leaflet-tile-pane {
    opacity: 1 !important;
}

.leaflet-control-zoom {
    z-index: 10;
}

.search-container {
    display: flex;
    gap: 10px;
}

.search-container input {
    flex: 1;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 0.9rem;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.form-group.half {
    flex: 1;
    margin-bottom: 15px;
}

.sun-path-container {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
    border: 1px solid var(--border-color);
    position: relative;
}

#sunPathCanvas {
    width: 100%;
    height: auto;
    max-height: 400px;
}

.legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
    font-size: 0.9rem;
}

.legend-item {
    display: flex;
    align-items: center;
    margin: 5px 0;
}

.color-box {
    width: 20px;
    height: 10px;
    margin-left: 8px;
    border-radius: 2px;
}

.color-box.summer {
    background-color: #f59e0b;
}

.color-box.equinox {
    background-color: #10b981;
}

.color-box.winter {
    background-color: #3b82f6;
}

.color-box.current {
    background-color: #ef4444;
}

.location-results h2 {
    color: #f59e0b;
}

/* تنسيقات خيارات التقرير */
.report-options-section {
    padding: 0 24px 10px;
    position: relative;
}

.report-options-toggle {
    background-color: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.report-options-toggle:hover {
    background-color: var(--primary-dark);
}

.report-options-toggle i {
    margin-left: 8px;
}

.report-options-panel {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-top: 10px;
    display: none;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.report-options-panel h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-group input {
    width: auto;
    margin-left: 8px;
}

/* تنسيقات خسائر النظام */
.loss-container {
    background-color: rgba(219, 234, 254, 0.1);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

/* تنسيقات قسم قائمة المواد */
.result-list {
    margin-top: 15px;
}

.bom-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding: 10px;
    background-color: rgba(219, 234, 254, 0.1);
    border-radius: 6px;
    transition: background-color 0.3s;
}

.bom-item:hover {
    background-color: rgba(219, 234, 254, 0.2);
}

.bom-category {
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
}

.bom-detail {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* تنسيقات المشورة الفنية */
.tip-item {
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 8px;
    background-color: rgba(16, 185, 129, 0.1);
    border-right: 3px solid var(--green-color);
}

.tip-title {
    font-weight: 600;
    color: var(--green-color);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
}

.tip-title i {
    margin-left: 8px;
}

.tip-content {
    font-size: 0.9rem;
}

/* تنسيقات جدول مقارنة البطاريات */
.battery-comparison {
    margin-top: 15px;
    width: 100%;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 0 0 1px var(--border-color);
}

.battery-comparison th, .battery-comparison td {
    padding: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.battery-comparison th {
    background-color: var(--primary-color);
    color: white;
}

.battery-comparison tr:nth-child(even) {
    background-color: rgba(219, 234, 254, 0.1);
}

.battery-highlight {
    background-color: rgba(16, 185, 129, 0.2) !important;
}

/* تعديل في الوضع المظلم */
.dark-theme .info-box {
    background-color: rgba(30, 41, 59, 0.4);
}

.dark-theme .sun-path-container {
    background-color: rgba(30, 41, 59, 0.4);
}

.dark-theme .report-options-panel {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

.dark-theme .loss-container {
    background-color: rgba(30, 41, 59, 0.3);
}

.dark-theme .bom-item {
    background-color: rgba(30, 41, 59, 0.3);
}

.dark-theme .bom-item:hover {
    background-color: rgba(30, 41, 59, 0.5);
}

.dark-theme .tip-item {
    background-color: rgba(16, 185, 129, 0.05);
}

.dark-theme .battery-comparison tr:nth-child(even) {
    background-color: rgba(30, 41, 59, 0.4);
}

.dark-theme .battery-highlight {
    background-color: rgba(16, 185, 129, 0.1) !important;
}
