/* ================= Body & Fonts ================= */
body, h1 {
    margin: 0;
    padding: 0;
}
html, body {
    margin: 0;
    height: 100%;
    overflow: hidden;
}
body {
    font-family: Arial, sans-serif;
    background-color: #000; /* কালো ব্যাকগ্রাউন্ড */
    color: #99e6ff; /* উজ্জ্বল গাঢ় নীলচে সাদা টেক্সট */
    text-shadow: 0 0 6px rgba(0, 153, 255, 0.7); /* subtle নীল glow */
}

/* ================= Logo & Rotating Image ================= */
.logo { 
    height: auto;
}

.rotating-div {
    position: relative;
    width: 200px;
    height: auto;
    margin: 0 auto;
    background: transparent;
}

.rotating-img {
    animation: rotate 5s linear infinite;
    width: 86.3px;
    height: auto;
    position: absolute;
    top: 71.3px;
    left: 53.6px;
    filter: drop-shadow(0 0 8px rgba(0,153,255,0.6)); /* নীল glow */
}

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

/* ================= Main Layout ================= */
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* ================= Search Bar ================= */
.search-bar {
    position: relative;
}

.search-bar input[type="text"] {
    padding: 12px;
    border: 1px solid #3399ff; /* উজ্জ্বল নীল বর্ডার */
    border-radius: 25px;
    width: 300px;
    font-size: 1rem;
    margin-right: 10px;
    box-sizing: border-box;
    background-color: #111; 
    color: #99e6ff; /* উজ্জ্বল গাঢ় নীলচে সাদা */
    text-shadow: 0 0 4px rgba(0,153,255,0.6); /* subtle glow */
    transition: all 0.3s ease-in-out;
}

.search-bar input[type="text"]::placeholder {
    color: #ccefff;
}

.search-bar input[type="text"]:hover,
.search-bar input[type="text"]:focus {
    border-color: #66ccff;
    box-shadow: 0 0 8px rgba(0,153,255,0.6);
    outline: none;
}

/* ================= Premium Button ================= */
.search-bar button[type="submit"] {
    background: linear-gradient(145deg, #001144, #002288);
    color: #99e6ff; /* উজ্জ্বল গাঢ় নীলচে সাদা */
    border: 1px solid #66ccff;
    border-radius: 12px;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    text-shadow: 0 0 4px rgba(0,153,255,0.7);
    box-shadow: 0 4px 16px rgba(0,153,255,0.5);
    transition: all 0.3s ease-in-out;
}

.search-bar button[type="submit"]:hover {
    background: linear-gradient(145deg, #002288, #0033bb);
    border-color: #99e6ff;
    box-shadow: 0 0 16px rgba(0,153,255,0.8), 0 4px 18px rgba(0,153,255,0.4);
    transform: translateY(-2px);
}

.search-bar button[type="submit"]:active {
    background: linear-gradient(145deg, #001144, #002288);
    border-color: #66ccff;
    box-shadow: 0 0 8px rgba(0,153,255,0.6) inset;
    transform: translateY(1px);
}

/* ================= Links ================= */
a {
    color: #99e6ff; /* উজ্জ্বল গাঢ় নীলচে সাদা */
    text-decoration: none;
    text-shadow: 0 0 3px rgba(0,153,255,0.6);
}

a:visited {
    color: #ccefff;
}

a:hover {
    color: #e6ffff;
    text-decoration: underline;
}

a:active {
    color: #66ccff;
    text-decoration: underline;
}

/* ================= Responsive ================= */
@media (max-width: 600px) {
    .welcome-header h1 {
        font-size: 1.5rem; 
    }
    .search-bar input[type="text"] {
        width: 100%; 
        max-width: 100%; 
        margin-right: 0; 
        margin-bottom: 10px; 
    }
    .search-bar button[type="submit"] {
        width: 100%; 
        max-width: 100%; 
    }    
}

input:focus {
    outline: 2px #66ccff;
}

/* ================= Bot ================= */
.bot {
    position: fixed;
    bottom: 70px;  
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    text-align: center;
    z-index: 100;
    left: 15px;
}

.my-float {
    margin-top: 16px;
}