/* Modern Dark Theme CSS */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --text-primary: #e4e4e4;
    --text-secondary: #a0a0a0;
    --accent-blue: #3b82f6;
    --accent-blue-light: #60a5fa;
    --accent-blue-dark: #2563eb;
    --border-color: #2a2a2a;
    --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.4);
    --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    --gradient-blue: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
}

/* Global Styles */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    transition: all 0.3s ease;
}

/* Navbar Styles */
.navbar {
    background: var(--bg-secondary) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-subtle);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: translateX(5px);
    color: var(--accent-blue-light) !important;
}

.navbar-brand img {
    transition: all 0.3s ease;
}

.navbar-brand:hover img {
    transform: rotate(10deg) scale(1.1);
}

/* Nav Links */
.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    margin: 0 0.25rem;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(59, 130, 246, 0.1);
}

.navbar-nav .nav-link:not(.dropdown-toggle)::after {
    content: '';
    position: absolute;
    bottom: 0.25rem;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-blue);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:not(.dropdown-toggle):hover::after {
    width: 80%;
}

/* Special handling for dropdown toggles */
.navbar-nav .dropdown-toggle {
    position: relative;
}

.navbar-nav .dropdown-toggle::before {
    content: '';
    position: absolute;
    bottom: 0.25rem;
    left: 1rem;
    right: 1.5rem; /* Account for the dropdown arrow */
    height: 2px;
    background: var(--gradient-blue);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: center;
}

.navbar-nav .dropdown-toggle:hover::before {
    transform: scaleX(1);
}

/* Dropdown Styles */
.dropdown-menu {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-medium);
    margin-top: 0.5rem;
    animation: fadeInDown 0.3s ease;
    padding: 0.5rem;
    overflow: hidden;
}

.dropdown-item {
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    border-radius: 0.375rem;
    margin: 0.125rem 0;
    position: relative;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--gradient-blue);
    transition: height 0.2s ease;
    border-radius: 2px;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent-blue-light);
    padding-left: 1.5rem;
}

.dropdown-item:hover::before {
    height: 70%;
}

.dropdown-divider {
    border-color: var(--border-color);
    margin: 0.5rem 0;
}

/* User Profile Section */
.img-profile {
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.nav-link:hover .img-profile {
    transform: scale(1.05);
    border-color: var(--accent-blue);
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 
            0 0 5px rgba(59, 130, 246, 0.5),
            0 0 10px rgba(59, 130, 246, 0.3),
            0 0 15px rgba(59, 130, 246, 0.1);
    }
    50% {
        box-shadow: 
            0 0 10px rgba(59, 130, 246, 0.8),
            0 0 20px rgba(59, 130, 246, 0.5),
            0 0 30px rgba(59, 130, 246, 0.3);
    }
}

/* Alternative: Rotating dashed border effect */
.img-profile::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 2px dashed var(--accent-blue);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-link:hover .img-profile::before {
    opacity: 1;
    animation: rotate-dash 3s linear infinite;
}

@keyframes rotate-dash {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Main Content Area */
#content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Footer Styles */
footer {
    background: var(--gradient-dark) !important;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

footer .text-center {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%) !important;
    padding: 2rem !important;
    position: relative;
    overflow: hidden;
}

/* Subtle texture overlay for footer */
footer .text-center::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,.01) 35px, rgba(255,255,255,.01) 70px);
    pointer-events: none;
}

footer a {
    color: var(--accent-blue-light) !important;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

footer a:hover {
    color: var(--text-primary) !important;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button hover effects */
.btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

/* Mobile Menu Toggle Animation */
.navbar-toggler {
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    transition: all 0.3s ease;
}

.navbar-toggler:hover {
    border-color: var(--accent-blue);
    transform: scale(1.05);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

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

/* Card and content shadows */
.shadowy {
    box-shadow: var(--shadow-medium) !important;
    transition: all 0.3s ease;
}

.shadowy:hover {
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.2) !important;
    transform: translateY(-2px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 0;
    }
    
    .navbar-nav .nav-link {
        margin: 0.25rem 0;
    }
    
    footer .text-center {
        padding: 1.5rem !important;
    }
}