/* General styles */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

/* Layout */
.container {
    max-width: 1200px;
    padding: 0 1.5rem;
}

.footer {
    margin-top: auto;
    padding: 2rem 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

/* Navigation */
.navbar {
    padding: 1rem 0;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.navbar-nav .nav-link:hover {
    background-color: var(--bg-secondary);
}

/* Buttons */
.btn {
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn-link {
    text-decoration: none;
    color: var(--primary);
}

.btn-link:hover {
    color: var(--primary-light);
}

/* Cards */
.card {
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem;
}

.card-body {
    padding: 1.5rem;
}

/* Forms */
.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table td, .table th {
    padding: 1rem;
    vertical-align: middle;
}

/* Utilities */
.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow-md {
    box-shadow: var(--shadow-md) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .card {
        margin: 0.75rem 0;
    }
    
    .navbar {
        padding: 0.75rem 0;
    }
}

/* Theme toggle button */
#themeToggle, #langToggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

#themeToggle:hover, #langToggle:hover {
    background-color: var(--primary);
    color: white;
}

/* Logo styles */
.navbar-brand {
    padding: 0;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: opacity 0.3s ease;
}

.logo-img:hover {
    opacity: 0.9;
}

/* Adjust logo size for mobile */
@media (max-width: 768px) {
    .logo-img {
        height: 40px;
    }
}