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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: #333;
    margin-bottom: 5px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

#currentUsername {
    color: #666;
    font-weight: 500;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.card h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 20px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="file"],
textarea,
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

button {
    background: #667eea;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.3s;
}

button:hover {
    background: #5568d3;
}

.btn-primary {
    background: #667eea;
}

.btn-primary:hover {
    background: #5568d3;
}

.btn-secondary {
    background: #17a2b8;
}

.btn-secondary:hover {
    background: #138496;
}

.btn-danger {
    background: #dc3545;
}

.btn-danger:hover {
    background: #c82333;
}

.full-width {
    grid-column: 1 / -1;
}

.app-list {
    margin-top: 20px;
}

.app-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 10px;
    border-left: 4px solid #667eea;
}

.app-name {
    font-weight: bold;
    color: #333;
    font-size: 16px;
}

.app-version {
    color: #667eea;
    margin-top: 5px;
}

.app-details {
    margin-top: 10px;
    font-size: 13px;
    color: #666;
}

.changelog {
    background: white;
    padding: 10px;
    border-radius: 5px;
    margin-top: 10px;
    font-size: 13px;
}

.code-block {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 20px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
}

.code-block .keyword { color: #66d9ef; }
.code-block .string { color: #a6e22e; }
.code-block .comment { color: #75715e; }

.success {
    background: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 5px;
    margin-top: 15px;
}

.error {
    background: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 5px;
    margin-top: 15px;
}

.api-endpoint {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
}

.api-method {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 3px;
    font-weight: bold;
    margin-right: 10px;
}

.get { background: #61affe; color: white; }
.post { background: #49cc90; color: white; }

.api-url {
    font-family: monospace;
    color: #333;
}

.tabs {
    display: flex;
    border-bottom: 2px solid #ddd;
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.tab.active {
    border-bottom-color: #667eea;
    color: #667eea;
    font-weight: bold;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: #f0f0f0;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    margin: 0;
}

.close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #333;
}

/* Login Page Styles */
.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.login-box h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 28px;
}

.info {
    background: #d1ecf1;
    color: #0c5460;
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 13px;
    text-align: center;
}