/* CSS code moved from base.html */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --header-bg: linear-gradient(135deg, #1e40af 0%, #3730a3 100%);
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --shadow: 0 4px 12px rgba(0,0,0,0.15);
}

[data-theme="dark"] {
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --border-color: #374151;
    --header-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --sidebar-bg: #1f2937;
    --card-bg: #374151;
    --shadow: 0 4px 12px rgba(0,0,0,0.3);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}
.header {
    background: var(--header-bg);
    color: white;
    padding: 15px 20px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0;
}
.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}
.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    object-fit: contain;
    background-color: white;
    padding: 2px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.header-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}
.header-nav a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.header-nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Toggle Switch Styles */
.theme-toggle-container {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.theme-toggle-label {
    color: white;
    font-size: 14px;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    white-space: nowrap;
}

.theme-toggle {
    position: relative;
    width: 60px;
    height: 30px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.05);
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: #ffffff;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.theme-toggle::after {
    content: '☀️';
    position: absolute;
    top: 50%;
    left: 8px;
    transform: translateY(-50%);
    font-size: 12px;
    opacity: 0;
    transition: all 0.3s ease;
}

.theme-toggle[data-theme="dark"]::before {
    left: calc(100% - 24px);
    background: #1f2937;
}

.theme-toggle[data-theme="dark"]::after {
    content: '🌙';
    left: auto;
    right: 8px;
    opacity: 1;
}

.theme-toggle[data-theme="light"]::after {
    opacity: 1;
}



.flash-messages {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 10px 20px;
    padding: 10px 15px;
    color: var(--text-primary);
}
.flash-messages ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
.flash-messages li {
    color: var(--text-primary);
    padding: 5px 0;
}

/* CSS code moved from index.html */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease;
}

.container {
    display: flex;
    flex: 1;
    height: calc(100vh - 80px);
    margin: 0;
    padding: 0;
    min-height: 0;
    background-color: var(--bg-primary);
}

.sidebar {
    width: 200px;
    background: var(--sidebar-bg);
    padding: 20px;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    overflow-y: auto;
    flex-shrink: 0;
    min-width: 250px;
    max-width: 350px;
    border-right: 1px solid var(--border-color);
}

.logo-section {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 5px;
    background-color: transparent;
    border: none;
    width: calc(100% - 32px);
    height: 80px; 
    overflow: visible; /* Changed from 'hidden' to 'visible' to avoid clipping */
}

.logo-section img {
    width: 100%;
    height: auto; /* Changed from 110% to auto to maintain proportions */
    object-fit: contain;
    object-position: center;
    border-radius: 6px;
    background-color: transparent;
    padding: 0;
    border: none;
    outline: none;
    margin: 0;
    display: block;
    transform: translateY(0px);
}

.sidebar h2 {
    margin-top: 10px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: var(--bg-secondary);
    min-width: 0;
    display: flex;
    flex-direction: column;
}
/* Custom scrollbar for session list */
.session-list {
    list-style: none;
    padding: 3px 0;
    margin: 10px 0;
    max-height: 27vh;
    overflow-y: auto;
}
.session-list li {
    padding: 0px 16px;
    cursor: pointer;
    border-radius: 8px;
    margin-bottom: 6px;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    background-color: var(--card-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    min-height: 44px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    color: var(--text-primary);
}
.session-list li:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.session-list li.active {
    background: linear-gradient(135deg, #1e40af 0%, #3730a3 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.4);
    border-color: #1e40af;
    transform: translateY(-2px);
}
.session-list li.active .session-info {
    color: white;
    font-weight: 600;
}
.session-list::-webkit-scrollbar {
    width: 6px;
}

.session-list::-webkit-scrollbar-track {
    background: transparent;
}

.session-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.session-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

[data-theme="dark"] .session-list::-webkit-scrollbar-thumb {
    background: #6b7280;
}

[data-theme="dark"] .session-list::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}
.session-info {
    flex: 1;
    user-select: none;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.session-info::before {
    content: "💬";
    font-size: 14px;
    opacity: 0.7;
}
.session-list li:hover .session-info::before {
    opacity: 1;
}
.delete-btn {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
    border: none;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
    opacity: 0;
    margin-left: 8px;
    z-index: 10;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(220, 38, 38, 0.3);
}
.session-list li:hover .delete-btn {
    opacity: 1;
}
.delete-btn:hover {
    background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(220, 38, 38, 0.4);
}
.documents-section {
    margin-top: 25px;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

#documents-list {
    max-height: 27vh;
    overflow-y: auto;
    padding-right: 5px;
}

#documents-list::-webkit-scrollbar {
    width: 6px;
}

#documents-list::-webkit-scrollbar-track {
    background: transparent;
}

#documents-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

#documents-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

[data-theme="dark"] #documents-list::-webkit-scrollbar-thumb {
    background: #6b7280;
}

[data-theme="dark"] #documents-list::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

.document-item {
    padding: 12px;
    margin: 8px 0;
    background-color: var(--card-bg);
    border-radius: 8px;
    border-left: 4px solid #1e40af;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: all 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.document-item:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    transform: translateY(-1px);
}
.document-info {
    flex: 1;
}
.document-item .filename {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.document-item .upload-date {
    font-size: 0.85em;
    color: var(--text-secondary);
}
.document-delete-btn {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    color: white;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
    opacity: 0;
    margin-left: 8px;
}
.document-item:hover .document-delete-btn {
    opacity: 1;
}
.document-delete-btn:hover {
    background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
    transform: scale(1.05);
}
.chat-window {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
    background-color: var(--card-bg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-height: 400px;
    max-height: calc(100vh - 300px);
}
.chat-history {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: var(--card-bg);
    display: flex;
    flex-direction: column;
    font-size: 16px;
    min-height: 300px;
}
.message-container {
    display: flex;
    margin: 12px 0;
}
.message-container.user {
    justify-content: flex-end;
}
.message-container.bot {
    justify-content: flex-start;
}
.user-message {
    background-color: #dbeafe;
    color: #1e40af;
    padding: 14px 18px;
    border-radius: 20px;
    margin: 0;
    text-align: right;
    display: inline-block;
    max-width: 70%;
    min-width: fit-content;
    margin-left: auto;
    border: 1px solid #93c5fd;
    font-weight: 500;
    box-shadow: 0 2px 6px rgba(30, 64, 175, 0.15);
    word-wrap: break-word;
    white-space: pre-wrap;
    line-height: 1.5;
    font-size: 18px;
    width: fit-content;
    box-sizing: border-box;
}
.bot-message {
    background-color: #f0f9ff;
    color: #0c4a6e;
    padding: 14px 18px;
    border-radius: 20px;
    margin: 0;
    display: inline-block;
    max-width: 70%;
    min-width: fit-content;
    border: 1px solid #bae6fd;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    word-wrap: break-word;
    white-space: pre-wrap;
    line-height: 1.5;
    font-size: 18px;
    width: fit-content;
    box-sizing: border-box;
}
.chat-form {
    display: flex;
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}
.chat-input {
    flex-grow: 1;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-right: 12px;
    font-size: 18px;
    transition: border-color 0.2s ease;
    background-color: var(--card-bg);
    color: var(--text-primary);
    line-height: 1.5;
    outline: none;
    min-height: 48px;
    max-height: 120px;
    resize: none;
    overflow-y: auto;
    font-family: inherit;
    word-wrap: break-word;
    white-space: pre-wrap;
}
.chat-input:focus {
    outline: none;
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
    background-color: var(--card-bg);
}
.chat-input::placeholder {
    color: var(--text-secondary);
    font-size: 18px;
}
.upload-section {
    margin-bottom: 25px;
    padding: 20px;
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid var(--border-color);
}
.new-chat-btn {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 15px;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(5, 150, 105, 0.3);
}
.new-chat-btn:hover {
    background: linear-gradient(135deg, #047857 0%, #065f46 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(5, 150, 105, 0.4);
}
.upload-section h2 {
    color: var(--text-primary);
    margin-bottom: 15px;
}
.upload-section button {
    background: linear-gradient(135deg, #1e40af 0%, #3730a3 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(30, 64, 175, 0.3);
}
.upload-section button:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #4338ca 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(30, 64, 175, 0.4);
}
.chat-form button {
    background: linear-gradient(135deg, #1e40af 0%, #3730a3 100%);
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(30, 64, 175, 0.3);
    font-size: 16px;
    min-height: 48px;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
}
.chat-form button:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #4338ca 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.4);
}
h1, h2, h3 {
    color: var(--text-primary);
}
.main-content h1 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Dark theme specific chat message styles */
[data-theme="dark"] .user-message {
    background-color: #1e40af;
    color: white;
    border-color: #3b82f6;
    box-shadow: 0 2px 6px rgba(30, 64, 175, 0.3);
}

[data-theme="dark"] .bot-message {
    background-color: #374151;
    color: white;
    border-color: #6b7280;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Dark theme specific styles for other elements */
[data-theme="dark"] .chat-window {
    background-color: #1f2937;
    border-color: #4b5563;
}

[data-theme="dark"] .chat-history {
    background-color: #1f2937;
}

[data-theme="dark"] .chat-form {
    background-color: #374151;
    border-top-color: #4b5563;
}

[data-theme="dark"] .chat-input {
    background-color: #4b5563;
    border-color: #6b7280;
    color: white;
}

[data-theme="dark"] .chat-input::placeholder {
    color: #9ca3af;
}

[data-theme="dark"] .chat-input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .chat-form button {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .chat-form button:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Styles for analysis interface elements within bot messages */
.bot-message input[type="text"],
.bot-message input[type="text"]:focus {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 10px 16px;
    font-size: 16px;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
    min-width: 200px;
    max-width: 400px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.bot-message input[type="text"]:focus {
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.15);
    transform: translateY(-1px);
}

.bot-message button {
    background: linear-gradient(135deg, #1e40af 0%, #3730a3 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.3);
    white-space: nowrap;
    margin-left: 12px;
}

.bot-message button:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #4338ca 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.4);
}

/* Dark theme specific styles for analysis interface */
[data-theme="dark"] .bot-message input[type="text"] {
    background: #374151;
    border-color: #6b7280;
    color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

[data-theme="dark"] .bot-message input[type="text"]:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .bot-message button {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .bot-message button:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Analysis interface container styling */
.bot-message .analysis-interface {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 20px;
    margin: 15px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.bot-message .analysis-interface input[type="text"] {
    flex: 1;
    min-width: 250px;
    margin: 0;
}

.bot-message .analysis-interface button {
    margin: 0;
    flex-shrink: 0;
}

/* Dark theme specific analysis interface */
[data-theme="dark"] .bot-message .analysis-interface {
    background: #1f2937;
    border-color: #4b5563;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* Custom scrollbar for textarea */
.chat-input::-webkit-scrollbar {
    width: 6px;
}

.chat-input::-webkit-scrollbar-track {
    background: transparent;
}

.chat-input::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.chat-input::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

[data-theme="dark"] .chat-input::-webkit-scrollbar-thumb {
    background: #6b7280;
}

[data-theme="dark"] .chat-input::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

.flashes {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}
.flashes li {
    padding: 15px;
    background-color: #dbeafe;
    color: #1e40af;
    border-radius: 8px;
    margin-bottom: 10px;
    border: 1px solid #93c5fd;
}

@media (max-width: 1200px) {
    .sidebar {
        width: 200px;
        min-width: 150px;
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        height: calc(100vh - 80px);
    }
    .sidebar {
        width: 100%;
        max-width: none;
        min-height: 200px;
    }
    .main-content {
        flex: 1;
        min-height: 0;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
} 

#chat-window {
    border: 1px solid var(--border-color);
    padding: 10px;
    height: 400px;
    overflow-y: scroll;
    margin-bottom: 10px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    font-size: 16px;
}

#chat-history .user-message {
    text-align: right;
    color: var(--text-primary);
    font-size: 16px;
}

#chat-history .bot-message {
    text-align: left;
    color: var(--text-primary);
    font-size: 16px;
}

/* Dark theme specific chat styles */
[data-theme="dark"] #chat-history .user-message {
    color: white;
}

[data-theme="dark"] #chat-history .bot-message {
    color: white;
}

/* Style the tab */
.tab {
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

/* Style the buttons inside the tab */
.tab button {
    background-color: inherit;
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
    color: var(--text-primary);
}

/* Change background color of buttons on hover */
.tab button:hover {
    background-color: var(--border-color);
}

/* Create an active/current tablink class */
.tab button.active {
    background-color: var(--border-color);
}

/* Style the tab content */
.tabcontent {
    display: none;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-top: none;
    background-color: var(--card-bg);
    color: var(--text-primary);
}

/* Additional dark mode styles for the main content */
.container {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.sidebar {
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
}

.sidebar h3 {
    color: var(--text-primary);
}

.sidebar ul {
    background-color: var(--sidebar-bg);
}

.sidebar li {
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.sidebar li:hover {
    background-color: var(--bg-secondary);
}

.sidebar li.active {
    background-color: var(--border-color);
}

.btn {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

input[type="text"], input[type="file"], textarea {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

input[type="text"]:focus, input[type="file"]:focus, textarea:focus {
    border-color: #3b82f6;
    outline: none;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* Chat specific styles */
.chat-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.chat-history {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}


/* Document and session styles */
.document-item, .session-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.document-item:hover, .session-item:hover {
    background-color: var(--bg-secondary);
}

.filename, .upload-date, .session-info {
    color: var(--text-primary);
}

/* Button styles */
.delete-btn, .document-delete-btn {
    background-color: #ef4444;
    color: white;
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
}

.delete-btn:hover, .document-delete-btn:hover {
    background-color: #dc2626;
}

/* New chat button */
#new-chat-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

#new-chat-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Upload button */
.upload-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.upload-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* Send button */
.send-btn {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.send-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}