:root {
    --primary: #007bff;
    --success: #28a745;
    --bg: #f8f9fa;
    --text: #333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

nav {
    width: 100%;
    padding: 15px 0;
    background: white;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: -1px;
}

#app {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    box-sizing: border-box;
}

#hero h1 { font-size: 1.8rem; margin-bottom: 5px; }
#hero p { color: #666; margin-bottom: 30px; }

.camera-card {
    background: white;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    text-align: center;
}

#preview-container {
    width: 100%;
    height: 250px;
    background: #eee;
    border-radius: 15px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.btn-primary, .btn-success {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 12px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary { background: var(--primary); color: white; }
.btn-success { background: var(--success); color: white; margin-top: 10px; }
.btn-primary:active { transform: scale(0.98); }

.hidden { display: none; }

.field { margin-top: 20px; text-align: left; }
.field label { font-size: 0.8rem; font-weight: bold; color: #888; }
.field input, .field textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-top: 5px;
    box-sizing: border-box;
}