/* ====================================================
   Theme Definitions:
   Light Mode: Pastel Olive & Salmon Pink
   Dark Mode: Sleek & Futuristic
==================================================== */

/* === Define CSS Custom Properties (Variables) === */
:root {
    /* --- Light Mode Variables (Defaults) --- */
    --body-bg: #F8F9FA;                     /* Off-white */
    --text-color: #123C69;                  /* Navy text */
    --section-bg: #EAEFF1;                   /* Very Light Blue-Gray for table rows */
    --section-border: #BAB2B5;                /* Soft gray border for sections */
    --button-bg: #2C3E50;                    /* Midnight Blue for primary buttons */
    --button-text: #FFFFFF;                  /* White text for primary buttons */
    --button-hover-bg: #212F3C;              /* Darker blue for button hover */
    --accent-color: #B5B35C;                 /* Pastel olive green accent */
    --footer-bg: #f8f9fa;                    /* Light gray for footer */
    --footer-text: #212529;                  /* Standard dark text for footer in light mode */
    --drop-area-border-dashed: var(--section-border); /* Dashed border for drop area */
    --drop-area-hover-bg: #f4efec;           /* Lighter cream for drop area hover */
    --uploaded-file-bg: var(--body-bg);      /* Background for uploaded file items */
    --uploaded-file-text: var(--text-color); /* Text color for uploaded file items */
    --delete-button-bg: var(--button-bg);             /* Match primary button color for delete buttons */
    --delete-button-hover-bg: var(--button-hover-bg);       /* Match primary button hover color */
    --delete-button-text: #FFFFFF;           /* White text for delete buttons */
    --pdf-preview-border: var(--section-border); /* Border for PDF previews */
    --benchmark-th-bg: #5D6D7E;     /* Slate Gray for benchmark table headers */
    --benchmark-th-text: #ECF0F1; /* Light Gray text for benchmark table headers */
    --loading-overlay-bg: rgba(0, 0, 0, 0.5); /* Semi-transparent black for loading overlay */
    --loading-spinner-border-top: #FFFFFF;   /* White for spinner's active part */
    --loading-spinner-border-rest: rgba(255, 255, 255, 0.3); /* Light alpha for spinner's track */
    --loading-text-color: #FFFFFF;           /* White for loading text */
    --tooltip-info-color: #6c757d;           /* Muted gray for subtle info icons */

    /* --- Dark Mode Variable Definitions (to be applied via .dark-mode class) --- */
    --body-bg-dark: #34495E; /* Dark Slate Gray for even rows in dark mode */
    --text-color-dark: #D1E8E2;
    --section-bg-dark: #2E4053; /* Dark Blue-Gray for table rows in dark mode */
    --section-border-dark: #404a45; /* Slightly lighter than body for subtle definition */
    --button-bg-dark: #D9B08C;
    --button-text-dark: #2C3531;
    --button-hover-bg-dark: #FFCBA9; /* Lighter peach for hover */
    --accent-color-dark: #FFCBA9;
    --footer-bg-dark: #222825; /* Slightly different from body for separation */
    --footer-text-dark: var(--text-color-dark);
    --drop-area-border-dashed-dark: var(--section-border-dark);
    --drop-area-hover-bg-dark: #1a5751;
    --uploaded-file-bg-dark: var(--body-bg-dark);
    --uploaded-file-text-dark: var(--text-color-dark);
    --delete-button-bg-dark: var(--button-bg-dark); /* Match primary button color in dark mode */
    --delete-button-hover-bg-dark: var(--button-hover-bg-dark); /* Match primary button hover color in dark mode */
    --delete-button-text-dark: #FFFFFF;
    --pdf-preview-border-dark: var(--section-border-dark);
    --benchmark-th-bg-dark: #A9CCE3; /* Light Blue for benchmark table headers in dark mode */
    --benchmark-th-text-dark: #FDFEFE; /* Very Light Gray text for benchmark table header text in dark mode */
    --loading-overlay-bg-dark: rgba(10, 10, 10, 0.7); /* Darker overlay */
    --loading-spinner-border-top-dark: var(--accent-color-dark);
    --loading-spinner-border-rest-dark: rgba(209, 232, 226, 0.2);
    --loading-text-color-dark: var(--text-color-dark);
    --tooltip-info-color-dark: var(--accent-color-dark);
}

/* ====================================================
   Base Styles & Global Resets
==================================================== */
* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; /* System font stack */
    line-height: 1.6;
}

/* ====================================================
   Default (Light Mode) Themed Styles
   These styles use the default CSS variables.
==================================================== */
body {
    background-color: var(--body-bg);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

section {
    background-color: var(--section-bg);
    border: 1px solid var(--section-border);
    border-radius: 8px; 
    margin: 20px auto;
    padding: 20px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

button,
.btn {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 10px 20px;
    border-radius: 5px; 
    cursor: pointer;
    font-weight: 500;
    text-align: center;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

button:hover,
.btn:hover {
    background-color: var(--button-hover-bg);
    transform: translateY(-1px) scale(1.02); 
}

#theme-toggle.btn-outline-secondary {
    /* Let Bootstrap handle default outline styling, it adapts to text color */
    /* If more specific control is needed, uncomment and adjust these: */
    /* color: var(--accent-color); */
    /* border-color: var(--accent-color); */
}
#theme-toggle.btn-outline-secondary:hover {
     /* background-color: var(--accent-color); */
     /* color: var(--button-text); */
}


#drop-area {
    border: 2px dashed var(--drop-area-border-dashed);
    background-color: var(--body-bg); 
    text-align: center;
    padding: 30px 20px; 
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

#drop-area.dragover-active { 
    background-color: var(--drop-area-hover-bg);
    border-color: var(--accent-color); 
}

.uploaded-file-entry {
    background-color: var(--uploaded-file-bg);
    color: var(--uploaded-file-text);
    border: 1px solid var(--section-border); 
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.delete-btn.btn-danger { 
    background-color: var(--delete-button-bg);
    color: var(--delete-button-text);
    border-color: var(--delete-button-bg); 
}

.delete-btn.btn-danger:hover {
    background-color: var(--delete-button-hover-bg);
    border-color: var(--delete-button-hover-bg);
}

.pdf-preview { 
    width: 100%;
    height: 400px; 
    border: 1px solid var(--pdf-preview-border);
    border-radius: 4px;
    transition: border-color 0.3s ease;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--loading-overlay-bg);
    z-index: 9999; 
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-container.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-container .spinner {
    width: 40px;
    height: 40px;
    border: 6px solid var(--loading-spinner-border-rest);
    border-top-color: var(--loading-spinner-border-top); 
    border-radius: 50%;
    animation: spin 0.8s linear infinite; 
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: var(--loading-text-color);
    font-size: 1.1em; 
    font-weight: 500;
    margin-top: 15px;
    text-align: center;
}

/* ====================================================
   Table Styling with Bootstrap Dark Mode Compatibility
==================================================== */

#benchmark-result table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: var(--section-bg) !important;
}

/* Ensure table works with Bootstrap's native dark mode */
[data-bs-theme="dark"] #benchmark-result table {
    background-color: var(--section-bg-dark) !important;
}

/* Override Bootstrap table defaults for better theming */
#benchmark-result table,
#benchmark-result .table {
    background-color: var(--section-bg) !important;
    color: var(--text-color) !important;
}

#benchmark-result th,
#benchmark-result td {
    border: 1px solid var(--section-border) !important;
    padding: 10px 12px;
    text-align: left;
    color: var(--text-color) !important;
    background-color: transparent !important;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

#benchmark-result th {
    background-color: var(--benchmark-th-bg) !important;
    color: var(--benchmark-th-text) !important;
    font-weight: 600;
    text-transform: uppercase;
}

/* Ensure table rows adapt to theme */
#benchmark-result tbody tr {
    background-color: var(--section-bg) !important;
}

#benchmark-result tbody tr:nth-child(even) {
    background-color: var(--body-bg) !important;
}

/* Bootstrap dark mode specific overrides */
[data-bs-theme="dark"] #benchmark-result table,
[data-bs-theme="dark"] #benchmark-result .table {
    background-color: var(--section-bg-dark) !important;
    color: var(--text-color-dark) !important;
}

[data-bs-theme="dark"] #benchmark-result th,
[data-bs-theme="dark"] #benchmark-result td {
    border-color: var(--section-border-dark) !important;
    color: var(--text-color-dark) !important;
}

[data-bs-theme="dark"] #benchmark-result th {
    background-color: var(--benchmark-th-bg-dark) !important;
    color: var(--benchmark-th-text-dark) !important;
}

[data-bs-theme="dark"] #benchmark-result tbody tr {
    background-color: var(--section-bg-dark) !important;
}

[data-bs-theme="dark"] #benchmark-result tbody tr:nth-child(even) {
    background-color: var(--body-bg-dark) !important;
}

/* ====================================================
   Info Icon Button Styling - Neutralize Bootstrap Effects
==================================================== */

/* Remove Bootstrap button styling for info icon buttons */
button[data-bs-toggle="tooltip"].btn-link {
    background: transparent !important;
    border: none !important;
    color: inherit !important;
    text-decoration: none !important;
    box-shadow: none !important;
    padding: 2px 4px !important;
    margin: 0 0.25rem !important;
    transition: all 0.3s ease;
}

button[data-bs-toggle="tooltip"].btn-link:hover {
    background: transparent !important;
    color: inherit !important;
    transform: none !important;
}

/* Enhanced info icon styling with subtle colors and hover effects */
[data-bs-toggle="tooltip"] .bi-info-circle {
    color: var(--tooltip-info-color);
    cursor: help;
    opacity: 0.8;
    transition: color 0.3s ease, opacity 0.3s ease;
    font-size: 1.1em;
}

button[data-bs-toggle="tooltip"]:hover .bi-info-circle {
    opacity: 1;
    color: var(--accent-color);
    transform: scale(1.1);
}

/* Dark mode specific adjustments for info icons */
body.dark-mode button[data-bs-toggle="tooltip"].btn-link {
    background: transparent !important;
    border: none !important;
    color: inherit !important;
}

/* ====================================================
   View Toggle Buttons Styling
==================================================== */
#view-toggle-container {
    margin: 20px 0;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 10px; /* Space between buttons */
    flex-wrap: wrap;
}

#view-toggle-container button {
    padding: 8px 16px;
    border: 1px solid var(--section-border);
    background-color: var(--section-bg);
    color: var(--text-color);
    border-radius: 20px; /* Pill-shaped buttons */
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9em;
    font-weight: 500;
}

#view-toggle-container button:hover {
    background-color: var(--button-bg);
    color: var(--button-text);
    border-color: var(--button-bg);
    transform: translateY(-2px);
}

#view-toggle-container button.active {
    background-color: var(--accent-color);
    color: var(--button-text); /* Assuming text on accent should be light */
    border-color: var(--accent-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Dark mode specific styles for view toggle buttons */
body.dark-mode #view-toggle-container button {
    background-color: var(--section-bg-dark);
    color: var(--text-color-dark);
    border-color: var(--section-border-dark);
}

body.dark-mode #view-toggle-container button:hover {
    background-color: var(--button-bg-dark);
    color: var(--button-text-dark);
    border-color: var(--button-bg-dark);
}

body.dark-mode #view-toggle-container button.active {
    background-color: var(--accent-color-dark);
    color: var(--button-text-dark);
    border-color: var(--accent-color-dark);
}

/* ====================================================
   Chart.js Canvas Styling
==================================================== */
canvas.benchmark-chart {
    max-width: 100%;
    height: auto !important;
    margin: 20px 0;
    border: 1px solid var(--section-border);
    border-radius: 8px;
    background-color: var(--body-bg); /* Match page background */
    padding: 10px;
}

/* Dark mode specific styles for chart canvas */
body.dark-mode canvas.benchmark-chart {
    border-color: var(--section-border-dark);
    background-color: var(--body-bg-dark);
}

/* Ensure chart container is responsive */
.benchmark-chart-container {
    position: relative;
    height: 400px; /* Or any desired height */
    width: 100%;
    margin: 20px 0;
}

/* ====================================================
   Dark Mode Overrides
==================================================== */
body.dark-mode {
    --body-bg: var(--body-bg-dark);
    --text-color: var(--text-color-dark);
    --section-bg: var(--section-bg-dark);
    --section-border: var(--section-border-dark);
    --button-bg: var(--button-bg-dark);
    --button-text: var(--button-text-dark);
    --button-hover-bg: var(--button-hover-bg-dark);
    --accent-color: var(--accent-color-dark);
    --footer-bg: var(--footer-bg-dark);
    --footer-text: var(--footer-text-dark);
    --drop-area-border-dashed: var(--drop-area-border-dashed-dark);
    --drop-area-hover-bg: var(--drop-area-hover-bg-dark);
    --uploaded-file-bg: var(--uploaded-file-bg-dark);
    --uploaded-file-text: var(--uploaded-file-text-dark);
    --delete-button-bg: var(--delete-button-bg-dark);
    --delete-button-hover-bg: var(--delete-button-hover-bg-dark);
    --delete-button-text: var(--delete-button-text-dark); 
    --pdf-preview-border: var(--pdf-preview-border-dark);
    --benchmark-th-bg: var(--benchmark-th-bg-dark);
    --benchmark-th-text: var(--benchmark-th-text-dark);
    --loading-overlay-bg: var(--loading-overlay-bg-dark);
    --loading-spinner-border-top: var(--loading-spinner-border-top-dark);
    --loading-spinner-border-rest: var(--loading-spinner-border-rest-dark);
    --loading-text-color: var(--loading-text-color-dark);
    --tooltip-info-color: var(--tooltip-info-color-dark);
}

body.dark-mode #theme-toggle.btn-outline-secondary {
    /* color: var(--accent-color); */ 
    /* border-color: var(--accent-color); */
}
body.dark-mode #theme-toggle.btn-outline-secondary:hover {
    /* background-color: var(--accent-color); */
    /* color: var(--button-text); */ 
}


/* ====================================================
   Footer Styles
==================================================== */
footer.footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 1.5rem 0; 
    text-align: center; 
    transition: background-color 0.3s ease, color 0.3s ease;
    border-top: 1px solid var(--section-border); 
}

footer.footer a {
    color: var(--accent-color); /* Links in footer use the current theme's accent color */
    text-decoration: none; 
    transition: color 0.2s ease;
}

footer.footer a:hover {
    color: var(--button-bg); /* Or another distinct hover color variable */
    text-decoration: underline;
}

/* --- Styling for Footer Icons to ensure they inherit color and are visible --- */
footer.footer .bi {
    /* Basic display properties from Bootstrap Icons source (if not already covered by their CSS) */
    display: inline-block; 
    /* font-family: "bootstrap-icons"; /* This should be handled by Bootstrap Icons CSS */
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    vertical-align: -0.125em; 
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    
    /* Ensure color is inherited from the parent <a> tag, which is themed */
    color: inherit !important; /* Use !important only if absolutely necessary to override other styles */
    
    /* Keep your desired font-size (already set inline in HTML, but can be here too) */
    font-size: 1.5rem; /* Or use the inline style from HTML: style="font-size:1.5rem;" */

    /* Remove aggressive debug styles if icons are now appearing */
    /* background-color: transparent !important; */
    /* padding: 0 !important; */
    /* border: none !important; */
    /* opacity: 1 !important; */
    /* visibility: visible !important; */
    /* z-index: auto !important; */
    /* margin: 0 !important; */
}

/* If the `link-secondary` class from Bootstrap is still causing issues with icon color,
   you might need to override it specifically for the footer links in dark mode,
   or ensure your --accent-color-dark is sufficiently different from --footer-bg-dark.
   Example:
*/
/*
body.dark-mode footer.footer a.link-secondary,
body.dark-mode footer.footer a.link-secondary .bi {
    color: var(--accent-color-dark) !important; // Force accent color for dark mode footer links
}
/* ====================================================
   Logo Container and Styles
==================================================== */

.logo-container {
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.05);
}

.logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.logo-text {
    margin: 0;
    font-weight: 600;
    transition: color 0.3s ease;
}

/* Light mode logo styling */
.logo:not([src*="dark"]) {
    filter: brightness(1) contrast(1);
}

/* Dark mode logo styling */
body.dark-mode .logo:not([src*="dark"]) {
    filter: brightness(0.8) contrast(1.2) invert(0.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .logo {
        height: 32px;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .logo-container {
        flex-direction: column;
        text-align: center;
    }
    
    .logo {
        height: 28px;
        margin-bottom: 0.25rem;
    }
    
    .logo-text {
        font-size: 1rem;
    }
}

/* Loading states */
.logo.loading {
    opacity: 0.5;
}

.logo.error {
    border: 2px solid var(--accent-color);
    border-radius: 4px;
}