/* Global Styles */
:root {
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --accent-color: #4285f4;
    --danger-color: #ea4335;
    
    /* Light Mode Defaults */
    --text-color: #333;
    --bg-color: #f8f9fa;
    --card-bg: white;
    --sidebar-bg: #f1f8ff;
    --border-color: #ddd;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --input-bg: white;
    --secondary-btn-bg: #f1f3f4;
    --secondary-btn-hover-bg: #e0e0e0;
    --nav-item-hover-bg: rgba(26, 115, 232, 0.1);
    --nav-item-active-bg: rgba(26, 115, 232, 0.2);
    --table-header-bg: #f1f8ff;
    --table-row-hover-bg: #f8f9fa;
    --chat-bubble-user-bg: var(--primary-color);
    --chat-bubble-user-text: white;
    --chat-bubble-bot-bg: #e9e9eb;
    --chat-bubble-bot-text: var(--text-color);
    --loading-spinner-border: rgba(26, 115, 232, 0.2);
    --result-section-bg: #f8f9fa;
    --disclaimer-bg: rgba(234, 67, 53, 0.1);
    --disclaimer-border: rgba(234, 67, 53, 0.3);
    --disclaimer-text: #555;
    --disclaimer-icon: var(--danger-color);
    --disclaimer-close: #555;
    --disclaimer-close-hover: var(--danger-color);
    --user-icon-color: #555;
}

/* Dark Mode Variables */
body.dark-mode {
    --primary-color: #8ab4f8; /* Lighter blue for dark mode */
    --secondary-color: #81c995; /* Lighter green */
    --accent-color: #8ab4f8;
    --danger-color: #f28b82; /* Lighter red */

    --text-color: #e8eaed; /* Light gray text */
    --bg-color: #202124; /* Dark background */
    --card-bg: #2d2e31; /* Slightly lighter card background */
    --sidebar-bg: #282a2d; /* Dark sidebar */
    --border-color: #5f6368; /* Gray border */
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.4); /* Darker shadow */
    --input-bg: #3c4043;
    --secondary-btn-bg: #3c4043;
    --secondary-btn-hover-bg: #5f6368;
    --nav-item-hover-bg: rgba(138, 180, 248, 0.1);
    --nav-item-active-bg: rgba(138, 180, 248, 0.2);
    --table-header-bg: #282a2d;
    --table-row-hover-bg: #3c4043;
    --chat-bubble-user-bg: var(--primary-color);
    --chat-bubble-user-text: #202124; /* Dark text on light blue */
    --chat-bubble-bot-bg: #3c4043;
    --chat-bubble-bot-text: var(--text-color);
    --loading-spinner-border: rgba(138, 180, 248, 0.2);
    --result-section-bg: #282a2d;
    --disclaimer-bg: rgba(242, 139, 130, 0.1);
    --disclaimer-border: rgba(242, 139, 130, 0.3);
    --disclaimer-text: #e8eaed;
    --disclaimer-icon: var(--danger-color);
    --disclaimer-close: #e8eaed;
    --disclaimer-close-hover: var(--danger-color);
    --user-icon-color: #bdc1c6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s; /* Add transitions */
}

h1, h2, h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: color 0.3s;
}

/* Button Styles */
button {
    cursor: pointer;
    border: none;
    border-radius: 4px;
    padding: 10px 15px;
    font-size: 1rem;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--chat-bubble-user-text); /* Use variable for potential dark mode text change */
}

.btn-primary:hover {
    filter: brightness(90%);
}

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

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

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    background-color: var(--input-bg); /* Add background variable */
    color: var(--text-color); /* Add text color */
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

textarea {
    min-height: 150px;
    resize: vertical;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color) 20%, transparent); /* Updated shadow */
}

.password-container {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #9aa0a6; /* Slightly lighter grey */
}

body.dark-mode .toggle-password {
    color: #9aa0a6; /* Keep the same or adjust if needed */
}

.error-message {
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

/* Authentication Styles */
#auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.auth-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    text-align: center;
    transition: background-color 0.3s;
}

#signup-card {
    display: none;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: 10px;
    transition: color 0.3s;
}

.form-switch {
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.form-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.form-switch a:hover {
    text-decoration: underline;
}

/* App Layout Styles */
.hidden {
    display: none !important;
}

#app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    transition: background-color 0.3s, border-color 0.3s;
}

.sidebar .logo-container {
    margin-bottom: 2rem;
}

.nav-links {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-color); /* Ensure nav item text color changes */
}

.nav-item i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.nav-item:hover {
    background-color: var(--nav-item-hover-bg);
}

.nav-item.active {
    background-color: var(--nav-item-active-bg);
    color: var(--primary-color);
    font-weight: 500;
}

.user-section {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    transition: border-color 0.3s;
}

.user-info {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.user-info i {
    font-size: 1.5rem;
    margin-right: 10px;
    color: var(--user-icon-color); /* Use variable */
    transition: color 0.3s;
}

#logout-btn {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem; /* Add some space above logout */
}

#logout-btn i {
    margin-right: 8px;
}

#dark-mode-toggle { /* Style toggle button */
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: center;
    margin-bottom: 0.5rem; /* Space between toggle and logout */
}

#dark-mode-toggle i {
    margin-right: 8px;
}

.main-content {
    flex-grow: 1;
    margin-left: 250px;
    padding: 2rem;
    padding-bottom: 80px;
}

/* Page Styles */
.page {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: background-color 0.3s;
}

/* Prediction Page Styles */
.input-container {
    margin-bottom: 2rem;
}

.results-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.results-row > .result-section {
    flex: 1;
    margin-bottom: 0;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.result-section {
    background-color: var(--result-section-bg); /* Use variable */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s, border-color 0.3s;
}

.result-section h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

/* Chatbot Page Styles */
.chat-container {
    background-color: var(--result-section-bg); /* Reuse variable */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: background-color 0.3s, border-color 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    overflow-y: auto;
    padding: 1.5rem;
    padding-bottom: 80px; /* Add padding to prevent messages from being hidden behind the input */
    flex-grow: 1;
}

.message {
    display: flex;
    margin-bottom: 1.5rem;
}

.message-content {
    max-width: 80%;
    padding: 0.8rem 1rem;
    border-radius: 18px;
}

.user-message {
    justify-content: flex-end;
}

.user-message .message-content {
    background-color: var(--chat-bubble-user-bg);
    color: var(--chat-bubble-user-text);
    border-bottom-right-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.bot-message .message-content {
    background-color: var(--chat-bubble-bot-bg);
    color: var(--chat-bubble-bot-text);
    border-bottom-left-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.chat-input-container {
    display: flex;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    transition: border-color 0.3s;
    background-color: var(--card-bg);
    position: fixed;
    bottom: 0;
    left: 250px; /* Match sidebar width */
    width: calc(100% - 250px); /* Adjust width to account for sidebar */
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

/* Add responsive adjustment for mobile view */
@media (max-width: 768px) {
    .chat-input-container {
        left: 0;
        width: 100%;
    }
}
#chat-input {
    flex-grow: 1;
    margin-right: 10px;
}

#send-message-btn {
    padding: 10px 15px;
    margin-right: 10px;
}

#clear-chat-btn {
    padding: 10px 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#clear-chat-btn i {
    font-size: 1rem;
}

/* Remove the old clear-chat-btn styling that positioned it at the bottom */
/* #clear-chat-btn {
    margin: 1rem;
    align-self: flex-end;
} */

/* History Page Styles */
.history-container {
    overflow-x: auto;
}

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

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.3s;
}

th {
    background-color: var(--table-header-bg);
    font-weight: 600;
    transition: background-color 0.3s;
}

tr:hover {
    background-color: var(--table-row-hover-bg);
    transition: background-color 0.2s;
}

#no-history-message {
    padding: 2rem;
    text-align: center;
    color: #777;
}

/* Loading Styles */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--loading-spinner-border); /* Use variable */
    border-radius: 50%;
    border-top: 4px solid var(--primary-color);
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
    transition: border-color 0.3s, border-top-color 0.3s;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Disclaimer Banner */
.disclaimer-banner {
    position: fixed;
    bottom: 0;
    left: 250px;
    width: calc(100% - 250px);
    background-color: var(--disclaimer-bg); /* Use variable */
    border-top: 1px solid var(--disclaimer-border); /* Use variable */
    padding: 0.8rem 2rem;
    display: none;  /* Hide by default */
    align-items: center;
    z-index: 99;
    box-sizing: border-box; 
    transition: background-color 0.3s, border-color 0.3s;
}   

/* Show disclaimer only when app container is visible */
#app-container:not(.hidden) ~ .disclaimer-banner {
    display: flex;
}

.disclaimer-banner i {
    color: var(--disclaimer-icon); /* Use variable */
    font-size: 1.2rem;
    margin-right: 1rem;
    transition: color 0.3s;
}

.disclaimer-banner p {
    font-size: 0.9rem;
    color: var(--disclaimer-text); /* Use variable */
    flex-grow: 1;
    transition: color 0.3s;
}

.disclaimer-banner .close-btn {
    background: none;
    border: none;
    color: var(--disclaimer-close); /* Use variable */
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.2rem;
    margin-left: 1rem;
    transition: color 0.3s;
}

.disclaimer-banner .close-btn:hover {
    color: var(--disclaimer-close-hover); /* Use variable */
}

/* Responsive Styles */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 100;
        width: 240px;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding-bottom: 90px;
    }
    
    .menu-toggle {
        display: block;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 101;
        background: var(--primary-color);
        color: white;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    }
    
    .results-row {
        flex-direction: column;
    }

    .results-row > .result-section {
        margin-bottom: 1.5rem;
    }
    
    .page {
        padding: 1.5rem;
    }
    
    .result-section {
        padding: 1rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    #app-container:not(.hidden) ~ .disclaimer-banner {
        left: 0;
        width: 100%;
        padding: 0.8rem 1rem;
    }
    
    .disclaimer-banner p {
        font-size: 0.8rem;
    }
}

.prediction-item {
    margin-bottom: 0.8rem;
    padding: 0.5rem;
    background-color: var(--result-section-bg); /* Use variable */
    border-radius: 4px;
    transition: background-color 0.3s;
}

.prediction-item strong {
    color: var(--primary-color);
    transition: color 0.3s;
}

.drug-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: var(--result-section-bg); /* Use variable */
    border-radius: 4px;
    border-left: 4px solid var(--primary-color);
    transition: background-color 0.3s, border-left-color 0.3s;
}

.drug-item strong {
    color: var(--primary-color);
    font-size: 1.1em;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.drug-item br {
    content: "";
    display: block;
    margin: 0.3rem 0;
}

/* Add these styles to your existing CSS file */

.info-box {
    background-color: var(--result-section-bg);
    border-left: 4px solid var(--primary-color);
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 0.95em;
    transition: background-color 0.3s, border-left-color 0.3s;
}

.condition-tag {
    display: inline-block;
    background-color: var(--secondary-btn-bg);
    color: var(--text-color);
    padding: 3px 8px;
    margin: 2px;
    border-radius: 12px;
    font-size: 0.85em;
    transition: background-color 0.3s, color 0.3s;
}

.small-note {
    font-size: 0.85em;
    color: var(--text-color);
    opacity: 0.7;
    margin-top: 8px;
    font-style: italic;
    transition: color 0.3s;}

/* Drugs.com link styling in history table */
.drugs-com-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #4a90e2;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
    background-color: rgba(74, 144, 226, 0.1);
    transition: all 0.2s ease;
}

.drugs-com-link:hover {
    background-color: rgba(74, 144, 226, 0.2);
    color: #2a70c2;
}

.drugs-com-link i {
    font-size: 14px;
}

/* Make sure the history table has proper spacing */
#history-table td {
    padding: 12px 15px;
    vertical-align: middle;
}