:root { 
    --light-bg: #F1E9E9; 
    --violet-light: #AB47BC; 
    --violet-dark: #6A1B9A; 
    --navy-dark: #15173D; 
    --white: #ffffff; 
    --black: #000000; 
    --gray: #6c757d; 
    --text-main: #15173D;
    --text-secondary: #6c757d;
    --card-bg: #ffffff;
    --border-color: rgba(106,27,154,0.2);
    --input-bg: #F1E9E9;
    --footer-bg: #15173D;
} 

.dark-mode { 
    --light-bg: #121212; 
    --navy-dark: #F1E9E9; 
    --white: #1a1a2e; 
    --black: #ffffff; 
    --gray: #a0a0a0; 
    --violet-light: #AB47BC; 
    --violet-dark: #6A1B9A; 
    --text-main: #ffffff;
    --text-secondary: #a0a0a0;
    --card-bg: #1e1e1e;
    --border-color: rgba(255,255,255,0.1);
    --input-bg: #2a2a35;
    --footer-bg: #0a0a0a;
} 

body { color: var(--text-main); }
.text-main { color: var(--text-main) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.card-bg { background-color: var(--card-bg) !important; }
.bg-overlay { background-color: rgba(0,0,0,0.02); }
.dark-mode .bg-overlay { background-color: rgba(255,255,255,0.02); }

.form-control {
    color: var(--text-main) !important;
    background-color: var(--input-bg) !important;
}
.form-control::placeholder { color: var(--text-secondary) !important; }

@media (min-width: 992px) {
    .sidebar-desktop {
        position: fixed;
        top: 0;
        left: 0;
        width: 70px;
        height: 100vh;
        border-right: 1px solid var(--border-color);
        z-index: 1000;
        background: rgba(241,233,233,0.95);
        backdrop-filter: blur(10px);
    }
    .dark-mode .sidebar-desktop { background: rgba(18, 18, 18, 0.98); }
    #main-content {
        margin-left: 70px;
    }
}

.nav-link-custom {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    margin: 0 auto;
    border-radius: 50%;
    color: var(--text-secondary) !important;
    transition: all 0.3s ease;
}

.nav-link-custom:hover, .nav-link-custom.active {
    background: rgba(106, 27, 154, 0.1);
    color: var(--violet-dark) !important;
}

.dark-mode .nav-link-custom:hover, .dark-mode .nav-link-custom.active {
    background: rgba(171, 71, 188, 0.2);
    color: var(--violet-light) !important;
}

.mobile-header-container {
    background: transparent;
}
.dark-mode .mobile-header, .dark-mode .mobile-dropdown {
    background: rgba(18, 18, 18, 0.98) !important;
}

.mobile-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease-in-out;
}

.mobile-dropdown.active {
    max-height: 300px;
    opacity: 1;
    visibility: visible;
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav-link {
    display: block;
    color: var(--text-main);
    font-size: 1.2rem;
    padding: 12px 0;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.mobile-nav-link:hover { 
    color: var(--violet-light); 
}

.floating-controls {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
}

.floating-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.white-btn {
    background-color: var(--card-bg);
    color: var(--violet-dark);
    border: 2px solid var(--violet-dark);
}

.dark-mode .white-btn {
    color: var(--violet-light);
    border-color: var(--violet-light);
}

.white-btn:hover {
    background-color: var(--violet-dark);
    color: white;
    transform: scale(1.1);
}

.programmer-glow {
    color: #003366 !important; 
    text-shadow: 0 0 10px rgba(0, 51, 102, 0.8), 0 0 20px rgba(0, 51, 102, 0.5);
    font-weight: bold;
}

.dark-mode .programmer-glow {
    color: #4dabf7 !important; 
    text-shadow: 0 0 10px rgba(77, 171, 247, 0.8), 0 0 20px rgba(77, 171, 247, 0.5);
}

.new-fancy-frame {
    border: 5px solid transparent;
    background: linear-gradient(var(--light-bg), var(--light-bg)) padding-box,
                linear-gradient(135deg, var(--violet-dark), #003366, var(--violet-light)) border-box;
    box-shadow: 0 10px 30px rgba(106, 27, 154, 0.4), inset 0 0 20px rgba(0,0,0,0.1);
    border-radius: 50% !important; 
    padding: 5px; 
    animation: floatFrame 6s ease-in-out infinite;
}

.dark-mode .new-fancy-frame {
    background: linear-gradient(var(--light-bg), var(--light-bg)) padding-box,
                linear-gradient(135deg, #4dabf7, var(--violet-dark), #4dabf7) border-box;
}

@keyframes floatFrame {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.slider-btn-custom {
    background: linear-gradient(135deg, var(--violet-dark), #003366);
    color: white;
    box-shadow: 0 0 15px rgba(106, 27, 154, 0.6);
    border: none;
    cursor: pointer;
}

.slider-btn-custom:hover {
    background: linear-gradient(135deg, #003366, var(--violet-dark));
    box-shadow: 0 0 25px rgba(0, 51, 102, 0.8);
    transform: scale(1.1);
}

.hero-image-glow { animation: pulse 3s ease-in-out infinite; } 
@keyframes pulse { 0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; } 50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; } } 
.typing-cursor { animation: blink 1s infinite; } 
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } } 
.shape-1 { animation: float 6s ease-in-out infinite; } 
.shape-2 { animation: float 8s ease-in-out infinite reverse; } 
.shape-3 { animation: float 7s ease-in-out infinite; } 
.shape-4 { animation: float 5s ease-in-out infinite reverse; } 
@keyframes float { 0%, 100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-30px) rotate(180deg); } } 
.logo-text { background: linear-gradient(135deg, var(--violet-dark), var(--violet-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; } 
.typing-text { background: linear-gradient(135deg, var(--violet-dark), var(--violet-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; } 
.form-control.error { border-color: #dc3545; } 
.error-message { color: #dc3545; } 

@media (max-width: 991px) { 
    .hero-section { padding-top: 80px; }
    .hero-title { font-size: 2.5rem; min-height: 60px; } 
    .about-stats { right: 10px; padding: 1rem 1.5rem; } 
    .stat-number { font-size: 2rem; } 
} 

@media (max-width: 768px) { 
    .hero-title { font-size: 2rem; min-height: 50px; } 
    .hero-tagline { font-size: 1rem; } 
    .section-title { font-size: 2rem; } 
    .skills-grid { grid-template-columns: repeat(3, 1fr); } 
    .slide-buttons { flex-direction: column; } 
} 

@media (max-width: 576px) { 
    .btn-primary-custom, .btn-outline-custom { display: block; width: 100%; margin-bottom: 1rem; text-align: center; } 
    .about-stats { position: relative; bottom: auto; right: auto; margin-top: 1rem; display: inline-block; } 
    .skills-grid { grid-template-columns: repeat(2, 1fr); } 
}

footer {
    margin-left: 70px;
    width: calc(100% - 70px);
}

@media (max-width: 991px) {
    footer {
        margin-left: 0;
        width: 100%;
    }
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-social a {
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s;
    text-decoration: none;
}

.footer-social a:hover {
    color: var(--violet-light);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    footer {
        padding: 1rem;
    }
}