body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #0d0d0d;
    color: white;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1a1a1a;
    padding: 10px 20px;
    border-bottom: 2px solid #00c3ff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.navbar button {
    margin: 0 5px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #00c3ff, #00ffea);
    border: none;
    border-radius: 8px;
    color: #0d0d0d;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.navbar button:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0,195,255,0.5);
}

/* PAGES */
.page {
    display: none;
    padding: 30px 20px;
    animation: fadeIn 0.5s;
}

.active {
    display: block;
}

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

/* HERO SECTION */
.hero {
    text-align: center;
    padding: 50px 20px;
}

.hero h1 {
    font-size: 2.5rem;
    color: #00c3ff;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.2rem;
    color: #cccccc;
    margin-bottom: 30px;
}

.hero-img {
    width: 200px;
    height: auto;
    margin-top: 20px;
    animation: float 3s ease-in-out infinite;
}

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

/* CAMERA */
.camera-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

video {
    width: 80%;
    height: 60vh;
    border-radius: 15px;
    object-fit: cover;
    border: 3px solid #00c3ff;
}

/* INFO PANEL */
.info-panel {
    margin-top: 20px;
    background: #1a1a1a;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.info-panel p {
    font-size: 18px;
}

/* READER */
input, button {
    margin-top: 15px;
    padding: 10px;
    border-radius: 8px;
}

button {
    background: #00c3ff;
    border: none;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

button:hover {
    transform: scale(1.05);
}

/* SETTINGS */
input[type="range"] {
    width: 250px;
}