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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.header {
    background: #2B8BC1;
    padding: 20px 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.logo {
    height: 40px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

h1 {
    color: #333;
    margin-bottom: 20px;
    font-size: 28px;
}

h2 {
    color: #555;
    margin-bottom: 15px;
    font-size: 20px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="password"]:focus {
    outline: none;
    border-color: #2B8BC1;
}

button {
    background: #2B8BC1;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover {
    background: #246E9C;
}

button:active {
    transform: translateY(0);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.error {
    background: #fee;
    color: #c33;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #c33;
}

.success {
    background: #efe;
    color: #3c3;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #3c3;
}

.hidden {
    display: none;
}

.breadcrumb {
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
}

.breadcrumb a {
    color: #2B8BC1;
    text-decoration: none;
    margin: 0 5px;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 5px;
}

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

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s;
}

.file-item:hover {
    background: #f9f9f9;
}

.file-item:last-child {
    border-bottom: none;
}

.file-info {
    display: flex;
    align-items: center;
    flex: 1;
    cursor: pointer;
}

.file-icon {
    width: 40px;
    height: 40px;
    margin-right: 15px;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-details {
    flex: 1;
}

.file-name {
    font-weight: 500;
    color: #333;
    margin-bottom: 4px;
}

.file-meta {
    font-size: 12px;
    color: #999;
}

.file-actions {
    display: flex;
    gap: 10px;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
    background: #2B8BC1;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-small:hover {
    background: #246E9C;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #999;
}

.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #2B8BC1;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

.credentials-info {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.credentials-info strong {
    color: #2B8BC1;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 20px 30px;
    border-bottom: 2px solid #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    color: #333;
    font-size: 20px;
    word-break: break-all;
}

.modal-close {
    background: #f5f5f5;
    color: #666;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
    margin-left: 15px;
}

.modal-close:hover {
    background: #e0e0e0;
    transform: none;
    box-shadow: none;
}

.modal-body {
    padding: 30px;
    overflow: auto;
    flex: 1;
}

.preview-content {
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    overflow: auto;
    max-height: 60vh;
}

.preview-content pre {
    margin: 0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.preview-json {
    color: #333;
}

.preview-info {
    margin-bottom: 15px;
    padding: 12px;
    background: #e8eaf6;
    border-radius: 6px;
    font-size: 14px;
    color: #555;
}

.preview-info strong {
    color: #2B8BC1;
}

.preview-actions {
    margin-top: 15px;
    display: flex;
    gap: 10px;
}

.file-info.clickable {
    cursor: pointer;
}

.file-info.clickable:hover .file-name {
    color: #2B8BC1;
}