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

body, html {
    height: 100%;
    width: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
}

.fullscreen-app {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
    background-color: #f5f5f5;
    padding: 20px;
}

.app-content {
    background-color: white;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: #2c3e50;
    font-weight: normal;
    text-align: center;
}

.progress-section {
    margin: 3rem 0;
    width: 100%;
}

.status-text {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #555;
}

.progress-bar {
    height: 8px;
    background-color: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
    width: 100%;
}

.progress-fill {
    height: 100%;
    background-color: #3498db;
    width: 0%;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.progress-fill.error {
    background-color: #e74c3c;
}

.network-info {
    font-style: italic;
    color: #7f8c8d;
    font-size: 1.2rem;
}

.cursor {
    display: inline-block;
    width: 10px;
    height: 24px;
    background-color: #3498db;
    animation: blink 1s infinite;
    vertical-align: middle;
    margin-left: 5px;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.issues-container {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 2rem;
    margin-top: 2rem;
    display: none;
    width: 100%;
}

.issues-header {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: #e74c3c;
}

.issue-list {
    list-style-type: none;
}

.issue-item {
    padding: 1rem 0;
    display: flex;
    align-items: center;
    font-size: 1.4rem;
}

.issue-item:before {
    content: "•";
    color: #e74c3c;
    font-weight: bold;
    display: inline-block;
    width: 2rem;
    font-size: 2rem;
}

.fix-button {
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 1.2rem 2rem;
    font-size: 1.4rem;
    cursor: pointer;
    margin-top: 2rem;
    font-weight: bold;
    width: 100%;
    transition: background-color 0.3s;
}

.fix-button:hover {
    background-color: #2980b9;
}