.floor-selector {
    position: absolute;
    right: 20px;
    top: 200px;
    z-index: 1000;
    width: 250px;
    background: white;
    border: 1px solid #2c3e50;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 10px;
}

.floor-info-heading {
    font-family: 'Georgia', serif;
    font-size: 16px;
    color: #2c3e50;
    font-weight: bold;
    margin-bottom: 8px;
    text-align: center;
    border-bottom: 1px solid #2c3e50;
    padding-bottom: 6px;
}

.floor-tabs {
    display: flex;
    margin-bottom: 8px;
    border-bottom: 1px solid #dee2e6;
    padding: 0 4px;
}

.floor-tab {
    padding: 4px 8px;
    font-family: 'Georgia', serif;
    font-size: 14px;
    color: #2c3e50;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
    text-align: center;
}

.floor-tab:hover {
    color: #007bff;
}

.floor-tab.active {
    color: #007bff;
    border-bottom: 2px solid #007bff;
}

.room-list {
    width: 100%;
    max-height: 250px;
    overflow-y: auto;
    display: none;
}

.room-list.active {
    display: block;
}

.room-item {
    padding: 6px 10px;
    margin: 2px 0;
    font-size: 12px;
    color: #333;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.room-item:hover {
    background: #e9ecef;
    border-color: #007bff;
}

.room-list::-webkit-scrollbar {
    width: 6px;
}

.room-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.room-list::-webkit-scrollbar-thumb {
    background: #bbb;
    border-radius: 3px;
}

.room-list::-webkit-scrollbar-thumb:hover {
    background: #999;
}

.controls-row {
    display: flex;
    gap: 20px;
    justify-content: center;
    width: 100%;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
}

.input-label {
    min-width: 150px;
    padding: 10px 15px;
    font-weight: 600;
    color: white;
    border-radius: 6px;
    text-align: center;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.input-label[for="currentLocation"] {
    background-color: #28a745;
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.2);
}

.input-label[for="destination"] {
    background-color: #dc3545;
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.2);
}

.input-label {
    min-width: 150px;
    padding: 8px 15px;
    font-weight: bold;
    color: white;
    border-radius: 6px;
    text-align: center;
}

#currentLocation-label {
    background-color: #28a745;
}

#destination-label {
    background-color: #dc3545;
}

.input-container {
    position: relative;
    width: 240px;
    display: flex;
    align-items: center;
    gap: 8px;
}

input {
    flex: 1;
    min-width: 0;
    padding-right: 10px;
}

.voice-btn {
    flex-shrink: 0;
    background: white;
    border: 1px solid #ccc;
    color: #70757a;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    padding: 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.voice-btn svg {
    width: 20px;
    height: 20px;
}

.voice-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
    border-color: #999;
}

.voice-btn:active {
    background-color: rgba(0, 0, 0, 0.1);
    border-color: #666;
}

.voice-btn.recording {
    color: #ea4335;
    border-color: #ea4335;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
    background-color: #f4f4f4;
    color: #333;
}

h1 {
    color: #2c3e50;
    margin-bottom: 8px;
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.tagline {
    color: #6c757d;
    font-size: 1.1em;
    text-align: center;
    margin-bottom: 25px;
    font-style: italic;
}

#controls {
    margin-bottom: 20px;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    margin-right: 20px;
}

label {
    font-weight: bold;
    color: #444;
}

input, button {
    padding: 10px 15px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 16px;
    transition: all 0.2s ease;
}

input:focus, button:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

button {
    cursor: pointer;
    background-color: #007bff;
    color: white;
    border: none;
    flex-shrink: 0;
}

button:hover {
    background-color: #0056b3;
    transform: translateY(-1px);
}

button:active {
    background-color: #004085;
    transform: translateY(0);
}

#floorPlanCanvas {
    border: 1px solid #ccc;
    background-image: url('c.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

.message-box {
    margin-top: 15px;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 1.1em;
    display: none;
    animation: fadeIn 0.5s forwards;
}

.message-box.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message-box.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message-box.info {
    background-color: #e2f0fb;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; display: block; }
}

.distance-info {
    margin: 10px 0;
    padding: 10px;
    background-color: #f0f0f0;
    border-radius: 4px;
    font-size: 16px;
    text-align: center;
}