:root{
    --bg: #f0f4f8;
    --card: #ffffff;
    --muted: #6b7280;
    --bubble-user: #1d4ed8;
    --bubble-bot: #e5e7eb;
    --text: #1f2937;
}
.dark {
    --bg: #0b1220;
    --card: #071025;
    --muted: #94a3b8;
    --bubble-user: #2563eb;
    --bubble-bot: #0f172a; /* Darker bot bubble */
    --text: #e6eef8;
}

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
}

.message-container { display: flex; flex-direction: column; align-items: flex-start; max-width: 90%; }
.bubble.user { background: var(--bubble-user); color: white; padding:12px 14px; border-radius:12px; max-width:72%; }
.bubble.bot { background: var(--bubble-bot); color: var(--text); padding:12px 14px; border-radius:12px; width: 100%; }

/* --- [ تعديلات ] --- */
/* ستايلات خاصة بروابط الهاتف وخيارات الاتصال */
.phone-container {
    position: relative;
    display: inline-block; /* يجعل العنصر على نفس السطر */
}

.phone-link {
    color: var(--bubble-user);
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
}
.dark .phone-link {
    color: #60a5fa; /* لون أزرق فاتح للوضع الليلي */
}

.phone-actions-popup {
    position: absolute;
    top: 100%; /* تظهر أسفل الرقم */
    margin-top: 8px; /* مسافة صغيرة للفصل */
    left: 50%;
    transform: translateX(-50%); /* يضمن التوسيط بشكل صحيح */
    background-color: var(--card);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10;
    display: flex;
    gap: 6px;
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    transform-origin: top center; /* تغيير نقطة بداية التحويل */
}

.phone-actions-popup.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(5px); /* تأثير ظهور بسيط للأسفل */
}

.phone-actions-popup .action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    transition: background-color 0.2s;
}
.phone-actions-popup .action-btn:hover {
    background-color: var(--bubble-bot);
}
.dark .phone-actions-popup .action-btn:hover {
     background-color: #334155;
}

.phone-actions-popup .action-btn.call {
    color: #1d4ed8;
}
.dark .phone-actions-popup .action-btn.call {
    color: #60a5fa;
}

.phone-actions-popup .action-btn.whatsapp {
    color: #16a34a;
}
.dark .phone-actions-popup .action-btn.whatsapp {
    color: #4ade80;
}
/* --- نهاية الإضافة --- */


/* ستايلات خاصة بتنسيق الكود */
.code-block-wrapper {
    background-color: #0d1117; /* خلفية داكنة مشابهة لـ GitHub */
    border-radius: 8px;
    margin: 12px 0;
    overflow: hidden;
    border: 1px solid #30363d;
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #161b22;
    padding: 8px 12px;
    color: #8b949e;
    font-size: 0.8rem;
    font-family: monospace;
}

.copy-code-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background-color: transparent;
    border: 1px solid #30363d;
    color: #8b949e;
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}

.copy-code-btn:hover {
    color: #c9d1d9;
    border-color: #8b949e;
}

.copy-code-btn.copied {
    color: #2f81f7;
    border-color: #2f81f7 !important;
}

.copy-code-btn svg {
    width: 14px;
    height: 14px;
}

.code-block-wrapper pre {
    margin: 0;
    padding: 16px;
    overflow-x: auto;
    direction: ltr; 
    text-align: left; 
}

.code-block-wrapper pre code.hljs {
    padding: 0; 
    background: transparent; 
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    white-space: pre;
}

.dark .message-bubble .table-wrapper { border-color: rgba(255,255,255,0.08); }
.dark .message-bubble th { background-color: rgba(255,255,255,0.05); color: #e6eef8; }


.disclaimer-text {
    text-align: center;
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: 8px;
    padding: 0 16px;
    font-family: sans-serif;
    direction: ltr;
}

.msg-row { display:flex; gap:10px; align-items:flex-end; margin-bottom:12px; max-width: 960px; margin-left: auto; margin-right: auto; }
.msg-row.user { justify-content:flex-end; }


#chat-container::-webkit-scrollbar {
    width: 8px;
}

#chat-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.04);
}

#chat-container::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 4px;
}

.message-fade-in {
    animation: fadeIn 0.45s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-bubble a {
    color: var(--bubble-user);
    text-decoration: underline;
    font-weight: 600;
}

.message-bubble strong {
    font-weight: 700;
}

.message-bubble .highlight-text {
    color: var(--bubble-user);
    font-weight: 600;
}

.pdf-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 8px 12px;
    background-color: var(--bubble-user);
    color: white;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    border: none;
}

.pdf-download-btn:hover {
    filter: brightness(0.95);
}

.message-bubble .table-wrapper {
    margin-top: 12px;
    background-color: var(--card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.06), 0 2px 4px -2px rgb(0 0 0 / 0.04);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.message-bubble table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: transparent;
    table-layout: fixed;
}

.message-bubble th,
.message-bubble td {
    padding: 12px 15px;
    text-align: right;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    color: var(--text);
    word-wrap: break-word;
}

.message-bubble th:first-child,
.message-bubble td:first-child {
    width: 80px;
}

.message-bubble th {
    background-color: rgba(0, 0, 0, 0.03);
    color: var(--text);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.message-bubble tbody tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}

.message-bubble tr:last-child td {
    border-bottom: none;
}

.message-bubble th:first-child {
    border-top-right-radius: 12px;
}

.message-bubble th:last-child {
    border-top-left-radius: 12px;
}

.message-bubble tr:last-child td:first-child {
    border-bottom-right-radius: 12px;
}

.message-bubble tr:last-child td:last-child {
    border-bottom-left-radius: 12px;
}

.message-bubble .course-stage-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: 20px;
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--bubble-user);
    display: inline-block;
}

.message-bubble .course-term-title {
    font-weight: 600;
    margin-top: 16px;
    margin-bottom: 8px;
}

.typing-indicator {
    display: flex;
    align-items: center;
    padding: 10px;
}

.typing-indicator span {
    height: 8px;
    width: 8px;
    background-color: var(--muted);
    border-radius: 50%;
    display: inline-block;
    margin: 0 2px;
    animation: bounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1.0);
    }
}

.container-card {
    background: var(--card);
    overflow: hidden;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- [تعديل] تصميم احترافي جديد للهيدر --- */
.header {
    padding: 12px 24px;
    background-color: var(--card);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    border-bottom: 1px solid var(--bubble-bot);
    position: relative;
    z-index: 10;
}

.dark .header {
    background-color: #0f172a;
    border-bottom-color: #1e293b;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.header-content {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px; /* Increased gap */
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--bubble-bot);
}
.dark .logo {
    border-color: #334155;
}


.title h1 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

.title p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.header-right-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative; /* For menu positioning */
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px;
    border-radius: 50%;
    background-color: transparent;
    color: var(--muted);
    cursor: help;
    transition: background-color 0.2s, color 0.2s;
}
.stat-item:hover {
    background-color: var(--bubble-bot);
    color: var(--text);
}
.dark .stat-item:hover {
    background-color: #1e293b;
    color: #e2e8f0;
}
.stat-item span {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Hide mobile trigger by default */
#mobile-menu-trigger {
    display: none;
}

.controls-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.controls-menu .divider {
    width: 1px;
    height: 24px;
    background-color: var(--bubble-bot);
    margin: 0 4px;
}
.dark .controls-menu .divider {
    background-color: #1e293b;
}


.icon-btn {
    background: transparent;
    padding: 8px;
    border-radius: 50%; /* Circular buttons */
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    color: var(--muted);
    transition: background-color 0.2s, color 0.2s;
}

.icon-btn:hover {
    background-color: var(--bubble-bot);
    color: var(--text);
}

.dark .icon-btn {
    color: #94a3b8;
}

.dark .icon-btn:hover {
    background-color: #1e293b;
    color: #e2e8f0;
}

#admin-panel-btn.admin-active {
    color: #4ade80; /* Green color for admin icon */
}

#chat-container {
    padding: 20px;
    overflow: auto;
    flex: 1 1 auto;
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
}

.bottom-container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem 1rem;
}

#suggestions-container {
    padding: 12px 0;
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    background: transparent;
    justify-content: flex-start;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

#suggestions-container::-webkit-scrollbar {
    display: none;
}

.suggest-btn {
    background: #e6f0ff;
    color: #0b3a78;
    padding: 8px 12px;
    border-radius: 9999px;
    cursor: pointer;
    border: none;
    font-weight: 600;
    flex-shrink: 0;
}

.suggest-btn:hover {
    filter: brightness(0.95);
    transform: translateY(-1px);
}

.input-area {
    margin-top: 8px;
    padding: 4px;
    background: var(--card);
    display: flex;
    gap: 12px;
    align-items: center;
    border-radius: 9999px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.text-input {
    flex: 1;
    padding: 10px 14px;
    border: none;
    outline: none;
    font-size: 0.98rem;
    background: transparent;
    color: var(--text);
}

.send-btn {
    background: var(--bubble-user);
    color: white;
    padding: 10px 12px;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
}

.send-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.msg-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    margin-bottom: 12px;
}

.msg-row.user {
    justify-content: flex-end;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.04);
    color: var(--text);
    overflow: hidden;
}

.message-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 72%;
}

.bubble.user {
    background: var(--bubble-user);
    color: white;
    padding: 12px 14px;
    border-radius: 12px;
    max-width: 72%;
}

.bubble.bot {
    background: var(--bubble-bot);
    color: var(--text);
    padding: 12px 14px;
    border-radius: 12px;
    width: 100%;
}

.dark .message-bubble .table-wrapper {
    border-color: rgba(255, 255, 255, 0.08);
}

.dark .message-bubble th {
    background-color: rgba(255, 255, 255, 0.05);
    color: #e6eef8;
}

.dark .message-bubble th,
.dark .message-bubble td {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.dark .message-bubble tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.03);
}

.dark .suggest-btn {
    background: rgba(255, 255, 255, 0.06);
    color: var(--muted);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.dark .input-area {
    box-shadow: none;
    border-color: rgba(255, 255, 255, 0.1);
    background: var(--bubble-bot);
}


/* Voice Recognition Modal */
.voice-status-content {
    background-color: var(--card);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    text-align: center;
    color: var(--text);
}
#voice-status-text {
    margin-top: 16px;
    font-weight: 600;
    font-size: 1.1rem;
}
.mic-animation svg {
    color: var(--bubble-user);
    animation: pulse 1.5s infinite ease-in-out;
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}


/* Admin Modal Styles */
.hidden {
    display: none !important;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 400px;
    position: relative;
    text-align: center;
    animation: fadeIn 0.3s ease-out;
}

.modal-close-btn {
    position: absolute;
    top: 10px;
    left: 10px; /* Adjusted for RTL */
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--muted);
    cursor: pointer;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.modal-description {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 16px;
}

.modal-input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--bubble-bot);
    border-radius: 8px;
    margin-bottom: 12px;
    background-color: var(--bg);
    color: var(--text);
    text-align: right;
    resize: vertical;
}
.dark .modal-input {
    border-color: #334155;
}

.modal-buttons-container {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.modal-submit-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--bubble-user);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    flex-grow: 1;
}
.modal-submit-btn:hover {
    filter: brightness(0.9);
}

.modal-clear-btn {
    padding: 12px;
    background-color: #f87171;
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}
.modal-clear-btn:hover {
    background-color: #ef4444;
}
.dark .modal-clear-btn {
    background-color: #b91c1c;
}
.dark .modal-clear-btn:hover {
    background-color: #991b1b;
}

.modal-error {
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 8px;
}

.modal-status {
    margin-top: 12px;
    font-size: 0.9rem;
    padding: 8px;
    border-radius: 6px;
}
.modal-status.success {
    background-color: #dcfce7;
    color: #166534;
}
.dark .modal-status.success {
    background-color: #14532d;
    color: #bbf7d0;
}
.modal-status.info {
    background-color: #e0f2fe;
    color: #075985;
}
.dark .modal-status.info {
    background-color: #0c4a6e;
    color: #bae6fd;
}

/* Logs Modal Specific Styles */
.admin-panel-content {
    max-width: 800px;
    text-align: right;
    display: flex;
    flex-direction: column;
}

.admin-modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--bubble-bot);
    margin-bottom: 16px;
}
.dark .admin-modal-tabs {
    border-color: #334155;
}

.tab-btn {
    padding: 10px 16px;
    cursor: pointer;
    border: none;
    background-color: transparent;
    color: var(--muted);
    font-weight: 600;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.tab-btn.active {
    color: var(--bubble-user);
    border-bottom-color: var(--bubble-user);
}
.dark .tab-btn.active {
    color: #60a5fa;
    border-bottom-color: #60a5fa;
}

.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}


.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px;
}
.download-pdf-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: #16a34a;
    color: white;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
}
.download-pdf-btn:hover {
    background-color: #15803d;
}

.logs-container {
    max-height: 55vh;
    overflow-y: auto;
    border: 1px solid var(--bubble-bot);
    border-radius: 8px;
}
.dark .logs-container {
    border-color: #334155;
}

#logs-table {
    width: 100%;
    border-collapse: collapse;
}

#logs-table th, #logs-table td {
    padding: 12px;
    text-align: right;
    border-bottom: 1px solid var(--bubble-bot);
}
.dark #logs-table th, .dark #logs-table td {
    border-bottom-color: #334155;
}

#logs-table th {
    background-color: var(--bg);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 1;
}
.dark #logs-table th {
    background-color: #0f1724;
}

#logs-table td {
    font-size: 0.9rem;
    vertical-align: top;
}
#logs-table td:first-child {
    font-weight: 500;
}
.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--muted);
}
.loader {
    border: 4px solid #f3f3f3; /* Light grey */
    border-top: 4px solid var(--bubble-user); /* Blue */
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

.dark .loader {
    border-color: #2d3748;
    border-top-color: #3b82f6;
}

/* --- [إضافة وتعديل] تنسيق لوحة التحكم للموبايل --- */
@media (max-width: 768px) {
    .modal-overlay {
        align-items: flex-start; /* Fix: Start modal from the top */
        padding: 5vh 0;      /* Fix: Add vertical padding */
        overflow-y: auto;      /* Fix: Allow the overlay itself to scroll */
    }

    .modal-content.admin-panel-content {
        max-height: none; /* Let the content define the height */
        padding: 16px;
    }
    
    .logs-container {
        max-height: 45vh; /* Adjust height for smaller screens */
    }
    
    .header-content {
        flex-wrap: nowrap; /* Prevent title from wrapping under logo */
    }
    .title p { display: none; }
    .title h1 { font-size: 1.1rem; }
    .header { padding: 12px 16px; }

    #mobile-menu-trigger { display: inline-flex; }

    .controls-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: calc(100% + 8px);
        right: 0;
        background-color: var(--card);
        border: 1px solid var(--bubble-bot);
        border-radius: 12px;
        box-shadow: 0 8px 24px rgba(0,0,0,0.1);
        z-index: 100;
        padding: 6px;
        width: 220px;
        gap: 4px;
        align-items: stretch;
    }
    .dark .controls-menu {
        border-color: #1e293b;
        background-color: #1e293b;
    }

    .controls-menu.active { display: flex; }
    .controls-menu .divider { display: none; }

    .controls-menu .icon-btn {
        display: flex;
        justify-content: flex-start;
        gap: 12px;
        padding: 10px 12px;
        border-radius: 8px;
        width: 100%;
        box-sizing: border-box;
    }

    .controls-menu .icon-btn::after {
        font-size: 0.9rem;
        font-weight: 500;
    }

    .controls-menu #reset-chat-btn::after { content: 'بدء محادثة جديدة'; }
    .controls-menu #save-chat-pdf-btn::after { content: 'حفظ المحادثة PDF'; }
    .controls-menu #dark-mode-toggle::after { content: 'تبديل الوضع الليلي'; }
    .controls-menu #admin-panel-btn::after { content: 'لوحة التحكم'; }
}