* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
    color: #333;
}

.container {
    width: 100%;
    max-width: 480px;
    padding: 2rem;
    border-radius: 1rem;
}

.glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #075E54;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.header h1 {
    margin-bottom: 0;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-badge.connected {
    background: #e8f5e9;
    color: #2e7d32;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    background: rgba(0, 0, 0, 0.05);
    padding: 0.25rem;
    border-radius: 0.5rem;
}

.tab-btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: transparent;
    border-radius: 0.375rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    color: #555;
}

.tab-btn.active {
    background: #fff;
    color: #128C7E;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.tab-content {
    display: none;
    text-align: center;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

p {
    margin-bottom: 1rem;
    color: #555;
}

input[type="text"], textarea, input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

input[type="text"]:focus, textarea:focus {
    outline: none;
    border-color: #25D366;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn.primary {
    background: #128C7E;
    color: #fff;
}

.btn.primary:hover {
    background: #075E54;
    transform: translateY(-1px);
}

.full-width {
    width: 100%;
}

.form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

#qr-image {
    max-width: 250px;
    margin: 0 auto;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

#pairing-code {
    font-size: 2.5rem;
    letter-spacing: 0.2rem;
    color: #128C7E;
    margin-top: 1rem;
}

.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #128C7E;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}