/* نظام التصميم والألوان الأساسية */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-active: rgba(16, 185, 129, 0.4);
    
    /* ألوان واتساب مطورة */
    --whatsapp-green: #10b981;
    --whatsapp-light: #34d399;
    --whatsapp-dark: #065f46;
    
    /* ألوان دلالية */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --sentiment-positive: #10b981;
    --sentiment-neutral: #6b7280;
    --sentiment-negative: #ef4444;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --glass-blur: blur(16px);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Cairo', 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(16, 185, 129, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.05) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    direction: rtl; /* اتجاه الكتابة من اليمين لليوم */
}

/* تنسيق شريط التمرير */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--whatsapp-green);
}

/* هيكل التطبيق الأساسي */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* الشريط الجانبي */
.sidebar {
    width: 280px;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    position: fixed;
    height: 100vh;
    right: 0;
    top: 0;
    z-index: 100;
    transition: var(--transition-smooth);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    padding: 0 0.5rem;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(to left, #fff, var(--whatsapp-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-item {
    width: 100%;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.nav-link svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
    color: #fff;
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--border-active);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(52, 211, 153, 0.05));
    box-shadow: inset 0 0 12px rgba(16, 185, 129, 0.05);
}

.nav-link.active svg {
    stroke: var(--whatsapp-light);
    filter: drop-shadow(0 0 5px var(--whatsapp-light));
}

.sidebar-footer {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ef4444;
}

.status-dot.connected {
    background-color: var(--sentiment-positive);
    box-shadow: 0 0 8px var(--sentiment-positive);
}

/* المحتوى الرئيسي */
.main-content {
    margin-right: 280px;
    flex-grow: 1;
    padding: 2.5rem;
    width: calc(100% - 280px);
    transition: var(--transition-smooth);
}

/* الترويسة العليا */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.header-title h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.25rem;
}

.header-title p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* التبويبات والمحتوى القابل للتبديل */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
    50% { transform: scale(1.1); box-shadow: 0 0 0 4px rgba(239, 68, 68, 0); }
}

/* شبكة المؤشرات الرئيسية */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.kpi-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.kpi-card:hover {
    transform: translateY(-4px);
    border-color: rgba(16, 185, 129, 0.25);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.kpi-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
}

.kpi-card:nth-child(1) .kpi-icon-wrapper { color: var(--whatsapp-light); background: rgba(16, 185, 129, 0.1); }
.kpi-card:nth-child(2) .kpi-icon-wrapper { color: #3b82f6; background: rgba(59, 130, 246, 0.1); }
.kpi-card:nth-child(3) .kpi-icon-wrapper { color: #f59e0b; background: rgba(245, 158, 11, 0.1); }
.kpi-card:nth-child(4) .kpi-icon-wrapper { color: #ec4899; background: rgba(236, 72, 153, 0.1); }

.kpi-info {
    display: flex;
    flex-direction: column;
}

.kpi-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    margin-top: 0.25rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

/* الرسوم البيانية والجداول */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart-container {
    position: relative;
    width: 100%;
    min-height: 280px;
}

/* لوحة الرسائل الواردة */
.messages-panel {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.messages-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 480px;
    overflow-y: auto;
    padding-left: 0.5rem;
}

.message-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.message-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(16, 185, 129, 0.15);
}

.message-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.sender-phone {
    font-weight: 700;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--whatsapp-light);
}

.message-body {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-primary);
}

.message-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.25rem;
}

.sentiment-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-weight: 700;
}

.sentiment-badge.positive {
    background: rgba(16, 185, 129, 0.15);
    color: var(--sentiment-positive);
}

.sentiment-badge.neutral {
    background: rgba(107, 114, 128, 0.15);
    color: var(--text-secondary);
}

.sentiment-badge.negative {
    background: rgba(239, 68, 68, 0.15);
    color: var(--sentiment-negative);
}

.message-time {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.75rem;
}

/* صفحة الإعدادات */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

.settings-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.form-control {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    color: #fff;
    font-family: 'Plus Jakarta Sans', 'Cairo', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    width: 100%;
}

.form-control:focus {
    outline: none;
    border-color: var(--whatsapp-green);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.btn-primary {
    background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-light));
    border: none;
    color: #0b0f19;
    padding: 0.85rem 1.5rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: 'Cairo', sans-serif;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: translateY(0);
}

/* استجابة الموبايل */
@media (max-width: 768px) {
    body {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-left: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
    }
    
    .logo-container {
        margin-bottom: 1rem;
        justify-content: center;
    }
    
    .nav-menu {
        flex-direction: row;
        justify-content: space-around;
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
        gap: 0.5rem;
    }
    
    .nav-link svg {
        width: 16px;
        height: 16px;
    }
    
    .main-content {
        margin-right: 0;
        width: 100%;
        padding: 1.5rem;
    }
    
    .sidebar-footer {
        display: none;
    }
}