@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes sparkle {
    0% { opacity: 0; transform: scale(0.5); }
    50% { opacity: 1; transform: scale(1.2); }
    100% { opacity: 0; transform: scale(0.5); }
}

@keyframes firefly {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(20px); opacity: 0; }
}

.link-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform: translateY(0);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.link-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.theme-option {
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    opacity: 0.5;
}

.theme-option:hover {
    transform: scale(1.1);
    opacity: 1;
}

.theme-option.active {
    border: 2px solid white;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.7);
    transform: scale(1.1);
    opacity: 1;
}

.social-icon {
    transition: all 0.3s ease;
}

.social-icon:hover {
    transform: scale(1.3) rotate(5deg);
}

.floating {
    animation: float 6s ease-in-out infinite;
}

.sparkle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    pointer-events: none;
    animation: sparkle 1.5s infinite;
}

.firefly {
    position: fixed;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    pointer-events: none;
    animation: firefly 10s linear infinite;
    filter: blur(1px);
}

/* Theme 1 - Deep Ocean (modified) */
.theme-1 {
    background: linear-gradient(135deg, #0a192f, #172a45, #1f3a5f);
    color: #e6f7ff;
}

.theme-1 .sparkle {
    background: rgba(100, 210, 255, 0.8);
    box-shadow: 0 0 10px 2px rgba(100, 210, 255, 0.6);
}

.theme-1 .firefly {
    background: rgba(100, 210, 255, 0.6);
    box-shadow: 0 0 8px 2px rgba(100, 210, 255, 0.4);
}

/* Theme 2 - Mint Fresh (softer) */
.theme-2 {
    background: linear-gradient(135deg, #0d9488, #2dd4bf);
    color: #f0fdfa;
}

.theme-2 .sparkle {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.6);
}

.theme-2 .firefly {
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 8px 2px rgba(255, 255, 255, 0.4);
}

/* Theme 3 - Sunset (softer) */
.theme-3 {
    background: linear-gradient(135deg, #f9a25b, #f97316);
    color: #fff7ed;
}

.theme-3 .sparkle {
    background: rgba(255, 230, 100, 0.8);
    box-shadow: 0 0 10px 2px rgba(255, 230, 100, 0.6);
}

.theme-3 .firefly {
    background: rgba(255, 230, 100, 0.6);
    box-shadow: 0 0 8px 2px rgba(255, 230, 100, 0.4);
}

body {
    transition: all 0.8s ease;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    overflow-x: hidden;
}

.theme-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 8px 12px;
    font-size: 12px;
    color: white;
    z-index: 100;
    display: flex;
    align-items: center;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.theme-indicator:hover {
    opacity: 1;
}

.profile-img {
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.content-wrapper {
    max-width: 640px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    position: relative;
    z-index: 10;
}

.link-card {
    background: rgba(255, 255, 255, 0.12) !important;
}

.theme-selector {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    z-index: 100;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.theme-selector:hover {
    opacity: 1;
}

@media (min-width: 768px) {
    .content-wrapper {
        padding: 4rem 2rem;
    }
}