:root {
    --primary-color: #2F3BA2;
    --secondary-color: #f50057;
    --background-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-light: #777777;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --font-heading: 'Open Sans', sans-serif;
    /* Or change to Outfit/Inter if added */
    --font-body: 'Open Sans', sans-serif;
    --transition: all 0.3s ease;
}

body.dark-mode {
    --primary-color: #7986cb;
    /* Lighter shade for dark mode */
    --secondary-color: #ff4081;
    --background-color: #121212;
    --card-bg: #1e1e1e;
    --text-main: #e0e0e0;
    --text-light: #b0b0b0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
}

body.dark-mode #header .container {
    background: rgba(30, 30, 30, 0.95) !important;
}

body.dark-mode .card-footer {
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid #333;
}

body.dark-mode .input-group .form-control {
    background-color: #2c2c2c;
    border-color: #444;
    color: var(--text-main);
}

body.dark-mode .well {
    border: 1px solid #333 !important;
}

/* Toggle Button */
.theme-toggle {
    cursor: pointer;
    padding: 0 10px;
    font-size: 18px;
    line-height: 75px;
    /* Match nav height */
    color: #555;
    transition: color 0.3s;
}

body.dark-mode .theme-toggle {
    color: #fdd835;
    /* Sun color */
}

.theme-toggle:hover {
    color: var(--primary-color);
}


body {
    background-color: var(--background-color) !important;
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 700;
}

a {
    transition: var(--transition);
    text-decoration: none !important;
}

a:hover {
    color: var(--secondary-color);
}

/* Header & Nav */
header#header {
    background: transparent;
    margin-bottom: 2rem;
}

#header .container {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    border-radius: 0 0 var(--radius) var(--radius) !important;
    height: auto !important;
    padding: 0 15px;
}

.brand {
    float: left;
    padding: 15px 20px 15px 0;
}

.brand a {
    font-size: 24px;
    color: var(--primary-color);
}

#main-nav {
    float: right;
}

#main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

#main-nav li {
    margin-left: 5px;
}

#main-nav li a {
    display: block;
    padding: 0 15px;
    line-height: 75px;
    color: #555;
    font-weight: 600;
    border-bottom: 3px solid transparent;
}

#main-nav li a:hover,
#main-nav li.active a {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: transparent;
}

/* Cards */
.card {
    background: transparent;
    border: none;
    margin-bottom: 30px;
    padding: 0 15px;
}

.card-content {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    height: 100%;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.card-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-title {
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 700;
    flex-grow: 1;
}

.card-title a {
    color: var(--text-main);
}

.card-footer {
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.02);
    border-top: 1px solid #eee;
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Versuri specific */
.versuri-title {
    font-size: 1.2rem;
    margin: 0;
}

/* Sidebar */
.well {
    background: var(--card-bg) !important;
    border: none !important;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius) !important;
    padding: 20px !important;
    margin-bottom: 30px;
}

.input-group .form-control {
    border-radius: 20px 0 0 20px !important;
    border: 1px solid #ddd;
    box-shadow: none;
}

.input-group-btn .btn {
    border-radius: 0 20px 20px 0 !important;
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.letters a {
    display: inline-block;
    padding: 5px 8px;
    color: var(--primary-color);
    font-weight: bold;
    border-radius: 4px;
}

.letters a:hover {
    background-color: var(--primary-color);
    color: #fff;
    text-decoration: none;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 40px 0;
    margin-top: 40px;
}

.footer-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
}

.footer-content ul li {
    margin-right: 20px;
    margin-bottom: 10px;
}

.footer-content a {
    color: #bdc3c7;
}

.footer-content a:hover {
    color: white;
}

.social a {
    color: white;
    font-size: 24px;
    margin-left: 15px;
}

/* Responsive fixes */
.row-flex {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    flex-wrap: wrap;
}

.row-flex>[class*='col-'] {
    display: flex;
    flex-direction: column;
}

/* Ensure card content expands */
.row-flex .card-content {
    width: 100%;
}

@media (max-width: 768px) {
    #main-nav ul {
        display: none;
        /* Mobile menu needed */
    }

    /* Add a simple mobile menu or keep existing if bootstrap handles it, 
       but we hid the glyphicons text in original code, need to ensure icons are visible */
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.pagination>li>a,
.pagination>li>span {
    color: var(--text-main);
    background-color: var(--card-bg);
    border: 1px solid #ddd;
    margin: 0 4px;
    border-radius: 5px !important;
    transition: var(--transition);
}

.pagination>li>a:hover,
.pagination>li>span:hover,
.pagination>li>a:focus,
.pagination>li>span:focus {
    color: var(--primary-color);
    background-color: var(--background-color);
    border-color: var(--primary-color);
}

.pagination>.active>a,
.pagination>.active>span,
.pagination>.active>a:hover,
.pagination>.active>span:hover,
.pagination>.active>a:focus,
.pagination>.active>span:focus {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.pagination>.disabled>span,
.pagination>.disabled>span:hover,
.pagination>.disabled>span:focus,
.pagination>.disabled>a,
.pagination>.disabled>a:hover,
.pagination>.disabled>a:focus {
    color: var(--text-light);
    background-color: var(--background-color);
    border-color: #ddd;
}

/* Dark Mode Pagination */
body.dark-mode .pagination>li>a,
body.dark-mode .pagination>li>span {
    border-color: #444;
}

body.dark-mode .pagination>.disabled>span,
body.dark-mode .pagination>.disabled>a {
    border-color: #444;
    background-color: #2c2c2c;
}