/* Base Styles and Variables */
:root {
    --primary-color: #5e35b1;
    --primary-color-rgb: 94, 53, 177;  /* For use in rgba() */
    --primary-dark: #4527a0;
    --primary-dark-rgb: 69, 39, 160;
    --secondary-color: #ff5722;
    --secondary-color-rgb: 255, 87, 34;
    --accent-color: #00bcd4;
    --accent-color-rgb: 0, 188, 212;
    --text-color: #333;
    --text-color-rgb: 51, 51, 51;
    --text-light: #666;
    --text-light-rgb: 102, 102, 102;
    --background-color: #ffffff;        /* Pure white background - "light mode" */
    --white: #ffffff;                   /* Pure white */
    --black: #000000;                   /* Pure black */
    --gray-light: #f5f5f5;              /* Light gray */
    --gray: #e0e0e0;                    /* Medium gray */
    --gray-dark: #9e9e9e;               /* Darker gray */
    --border-color: var(--gray);         /* Border color variable */
    --dark-bg: #1a1a1a;                 /* Dark theme background */
    --dark-bg-rgb: 26, 26, 26;
    --dark-card-bg: #2d2d2d;            /* Dark theme card background */
    --dark-card-bg-rgb: 45, 45, 45;
    --dark-border: #444444;             /* Dark theme border */
    --dark-border-rgb: 68, 68, 68;
    --dark-text: #ffffff;               /* Dark theme text */
    --dark-text-rgb: 255, 255, 255;
    --dark-text-light: #cccccc;         /* Dark theme light text */
    --dark-text-light-rgb: 204, 204, 204;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    --container-padding: 20px;
    --max-width: 1200px;
}

/* Body styles */
body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    line-height: 1.2;
    transition: color var(--transition);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-top: 0;
    margin-bottom: 1rem;
    transition: color var(--transition);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition), text-decoration var(--transition);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* Dark mode styling */
[data-theme="dark"], .dark-theme {
    --background-color: var(--dark-bg);
    --white: var(--dark-card-bg);
    color: var(--dark-text);
}

/* Common dark mode adjustments */
[data-theme="dark"] body,
.dark-theme body {
    background-color: var(--background-color);
    color: var(--dark-text);
}

/* Dark mode for headings */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
.dark-theme h1,
.dark-theme h2,
.dark-theme h3,
.dark-theme h4,
.dark-theme h5,
.dark-theme h6 {
    color: var(--dark-text);
}

/* Dark mode for paragraphs */
[data-theme="dark"] p,
.dark-theme p {
    color: var(--dark-text);
}

/* Dark mode for links */
[data-theme="dark"] a,
.dark-theme a {
    color: var(--primary-color);
}

[data-theme="dark"] a:hover,
.dark-theme a:hover {
    color: var(--primary-dark);
}

/* Enhanced dark mode for common elements */
[data-theme="dark"] .card,
.dark-theme .card {
    background-color: var(--dark-card-bg);
    border: 1px solid var(--dark-border);
    color: var(--dark-text);
}

[data-theme="dark"] .btn,
.dark-theme .btn {
    background-color: var(--primary-color);
    color: var(--white);
}

[data-theme="dark"] .btn:hover,
.dark-theme .btn:hover {
    background-color: var(--primary-dark);
}

[data-theme="dark"] .form-input,
.dark-theme .form-input {
    background-color: var(--dark-card-bg);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

[data-theme="dark"] .form-input:focus,
.dark-theme .form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.3);
}

/* Smooth transitions for theme changes */
[data-theme="dark"],
[data-theme="dark"] *,
.dark-theme,
.dark-theme * {
    transition: background-color var(--transition),
                color var(--transition),
                border-color var(--transition),
                box-shadow var(--transition);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    transition: background var(--transition);
}

::-webkit-scrollbar-track {
    background: var(--gray-light);
    transition: background var(--transition);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
    transition: background var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Dark mode scrollbar */
[data-theme="dark"] ::-webkit-scrollbar-track,
.dark-theme ::-webkit-scrollbar-track {
    background: var(--dark-border);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb,
.dark-theme ::-webkit-scrollbar-thumb {
    background: var(--primary-color);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover,
.dark-theme ::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}