:root {
    --x-bg-primary: #000;
    --x-bg-secondary: #121212;
    --x-card-bg: #1f1f1f;
    --x-text-primary: #e7e9ea;
    --x-text-secondary: #71767b;
    --x-accent: #1d9bf0;
    --x-border: #2f3336;
}

body {
    background-color: var(--x-bg-primary);
    color: var(--x-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.card {
    background-color: var(--x-card-bg);
    border: 1px solid var(--x-border);
    border-radius: 16px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

.btn-primary {
    background-color: var(--x-accent);
    border-color: var(--x-accent);
    border-radius: 24px;
    padding: 0.5rem 1.5rem;
    transition: background-color 0.2s ease;
}

.btn-primary:hover {
    background-color: #0c84e4;
    border-color: #0c84e4;
}

.navbar {
    background-color: var(--x-bg-secondary) !important;
    border-bottom: 1px solid var(--x-border);
}

.navbar-brand {
    font-weight: bold;
    color: var(--x-accent) !important;
}

.nav-link {
    color: var(--x-text-secondary) !important;
    border-radius: 24px;
    padding: 0.75rem 1rem;
    margin: 0 0.25rem;
    transition: background-color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--x-card-bg);
    color: var(--x-text-primary) !important;
}
/* 
.sidebar {
    background-color: var(--x-bg-secondary);
    border-right: 1px solid var(--x-border);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    width: 275px;
    padding-top: 60px; 
    overflow-y: auto;
    z-index: 1000;
}

.sidebar .nav-link {
    display: flex;
    align-items: center;
    padding: 1rem;
    font-size: 1.1rem;
}

.sidebar i {
    margin-right: 0.75rem;
    width: 20px;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.show {
        transform: translateX(0);
    }
    
} */

.sidebar {
    background-color: var(--x-bg-secondary);
    border-right: 1px solid var(--x-border);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    width: 275px;
    padding-top: 70px; /* Offset for navbar */
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.main-content {
    transition: margin-left 0.3s ease; /* Smooth shift */
}

@media (min-width: 992px) {
    .main-content {
        margin-left: 275px !important; /* Desktop: Shift content right, no overlap */
    }
}

@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%); /* Hidden off-screen */
    }
    .sidebar.show {
        transform: translateX(0); /* Slide in */
    }
    .main-content {
        margin-left: 0 !important; /* No shift on mobile */
    }
    /* Optional: Overlay dim on mobile when sidebar open */
    .sidebar::before {
        content: '';
        position: fixed;
        top: 0;
        left: 275px;
        width: calc(100% - 275px);
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    .sidebar.show::before {
        opacity: 1;
    }
    .hamburger {
        display: block !important;
        color: var(--x-text-primary);
        background: none;
        border: none;
        font-size: 1.5rem;
    }
}

.hamburger {
    display: none; /* Hidden on desktop by default */
}

.hero {
    background: linear-gradient(135deg, var(--x-bg-primary) 0%, var(--x-bg-secondary) 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--x-accent), #1a8cd8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-control, .form-control:focus {
    background-color: var(--x-card-bg);
    border: 1px solid var(--x-border);
    color: var(--x-text-primary);
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(29, 155, 240, 0.25);
}