body {
    font-family: 'Hind Siliguri', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #F7F7F3;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* টপ বার */
.top-bar {
    background-color: #FFFFFF;
    border-bottom: 1px solid #E5E5DD;
    padding: 8px 25px;
    font-size: 13px;
    color: #555;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar span {
    margin-right: 15px;
}

/* হেডার (অফিসিয়াল থিম) */
header {
    background-color: #8D1720;
    color: #FFFFFF;
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid #6c1117;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-left img {
    height: 50px; /* লোগোর সাইজ */
    width: auto;
}

.header-left h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
}

.header-left p {
    margin: 2px 0 0;
    font-size: 13px;
    color: #f1f1f1;
}

/* ন্যাভিগেশন বার */
nav {
    background-color: #FFFFFF;
    border-bottom: 1px solid #E5E5DD;
    padding: 12px 25px;
    display: flex;
    gap: 25px;
    font-weight: 600;
    font-size: 14px;
}

nav a {
    text-decoration: none;
    color: #333;
    transition: color 0.2s;
}

nav a:hover, nav a.active {
    color: #8D1720;
}

/* মূল লেআউট */
.main-container {
    display: flex;
    flex: 1;
    height: calc(100vh - 180px);
}

.sidebar {
    width: 300px;
    background: #FFFFFF;
    border-right: 1px solid #E5E5DD;
    overflow-y: auto;
    padding: 15px;
}

.sidebar h3 {
    margin-top: 0;
    font-size: 16px;
    color: #8D1720;
    border-bottom: 2px solid #E5E5DD;
    padding-bottom: 8px;
}

.thana-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.thana-item {
    padding: 10px 12px;
    margin-bottom: 8px;
    background: #F7F7F3;
    border: 1px solid #E5E5DD;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
}

.thana-item:hover {
    background: #8D1720;
    color: #FFFFFF;
}

#map {
    flex-grow: 1;
    height: 100%;
}

.info-panel {
    width: 320px;
    background: #FFFFFF;
    border-left: 1px solid #E5E5DD;
    padding: 20px;
    overflow-y: auto;
}

.info-panel h3 {
    color: #8D1720;
    margin-top: 0;
    border-bottom: 2px solid #E5E5DD;
    padding-bottom: 8px;
}

.directions-btn {
    display: inline-block;
    background-color: #8D1720;
    color: white;
    padding: 8px 12px;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 15px;
    font-size: 14px;
}

.directions-btn:hover {
    background-color: #6c1117;
}

/* ফুটার ডিজাইন */
footer {
    background-color: #064B32; /* সাংগঠনিক সবুজ থিম */
    color: #FFFFFF;
    text-align: center;
    padding: 15px 20px;
    font-size: 14px;
    border-top: 3px solid #087044;
}

footer p {
    margin: 0;
}

@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
        height: auto;
    }
    .sidebar, .info-panel {
        width: 100%;
        height: auto;
    }
    #map {
        height: 400px;
    }
}