/* Dark Mode Styles */
:root {
    --light-bg: #f8f9fa;
    --light-text: #333;
    --light-card-bg: #fff;
    --light-border: #e0e0e0;
    --light-header: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --light-shadow: rgba(0,0,0,0.1);
    
    --dark-bg: #121212;
    --dark-text: #e0e0e0;
    --dark-card-bg: #1e1e1e;
    --dark-border: #333;
    --dark-header: linear-gradient(135deg, #434343 0%, #000000 100%);
    --dark-shadow: rgba(0,0,0,0.3);
}

body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

/* Header */
body.dark-mode .header {
    background: var(--dark-header);
}

/* Cards and Containers */
body.dark-mode .card,
body.dark-mode .tool-card,
body.dark-mode .blog-card,
body.dark-mode .comment-card,
body.dark-mode .auth-card,
body.dark-mode .dashboard-card {
    background-color: var(--dark-card-bg);
    border-color: var(--dark-border);
    box-shadow: 0 4px 6px var(--dark-shadow);
}

/* Form Elements */
body.dark-mode input,
body.dark-mode textarea,
body.dark-mode select {
    background-color: #2d2d2d;
    border-color: #444;
    color: var(--dark-text);
}

body.dark-mode input::placeholder,
body.dark-mode textarea::placeholder {
    color: #888;
}

/* Buttons */
body.dark-mode .btn-primary {
    background: linear-gradient(135deg, #434343 0%, #000000 100%);
}

body.dark-mode .btn-secondary {
    background-color: #333;
    color: #fff;
}

/* Tables */
body.dark-mode table {
    border-color: var(--dark-border);
}

body.dark-mode th,
body.dark-mode td {
    border-color: var(--dark-border);
}

body.dark-mode tr:nth-child(even) {
    background-color: #252525;
}

/* Footer */
body.dark-mode .footer {
    background-color: #1a1a1a;
    color: #ccc;
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 20px;
    background: rgba(255,255,255,0.2);
    margin-left: 15px;
    transition: all 0.3s ease;
}

.dark-mode-toggle:hover {
    background: rgba(255,255,255,0.3);
}

.dark-mode-toggle i {
    margin-right: 5px;
}

/* Language Selector */
.language-selector {
    position: relative;
    margin-left: 15px;
}

.language-selector select {
    appearance: none;
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 5px 25px 5px 10px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
}

.language-selector::after {
    content: '▼';
    font-size: 10px;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

body.dark-mode .language-selector select {
    background: rgba(255,255,255,0.1);
}

/* Utility Classes for Dark Mode */
body.dark-mode .bg-light {
    background-color: var(--dark-card-bg) !important;
}

body.dark-mode .text-dark {
    color: var(--dark-text) !important;
}

body.dark-mode .border {
    border-color: var(--dark-border) !important;
}