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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #000000;
    min-height: 100vh;
    color: #ffffff;
}

.hidden {
    display: none !important;
}

/* Login Screen */
#loginScreen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-container {
    background: #1a1a1a;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    width: 100%;
    max-width: 400px;
}

.login-container h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #ffc164;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #ffffff;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #333;
    border-radius: 6px;
    font-size: 16px;
    background: #2a2a2a;
    color: #ffffff;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #ffc164;
}

.error-message {
    color: #ff6b6b;
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid #ff6b6b;
    border-radius: 6px;
    display: none;
}

.error-message.show {
    display: block;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.btn-primary {
    background: #ffc164;
    color: #000000;
}

.btn-primary:hover {
    background: #ffb84d;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 100, 0.4);
}

.btn-secondary {
    background: #333;
    color: #ffc164;
    width: auto;
    padding: 8px 16px;
    border: 1px solid #ffc164;
}

.btn-secondary:hover {
    background: #444;
    color: #ffc164;
}

.btn-rename {
    background: #17a2b8;
    color: white;
    padding: 6px 12px;
    font-size: 14px;
    width: auto;
}

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

.btn-rename:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-danger {
    background: #dc3545;
    color: white;
    padding: 6px 12px;
    font-size: 14px;
    width: auto;
}

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

/* Main Application Screen */
#appScreen {
    min-height: 100vh;
    padding: 20px;
}

header {
    background: #1a1a1a;
    padding: 20px 40px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    color: #ffc164;
}

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

#usernameDisplay {
    font-weight: 500;
    color: #ffffff;
}

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

section {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
}

section h2 {
    margin-bottom: 20px;
    color: #ffc164;
}

/* Upload Section */
#uppy-container {
    margin-top: 20px;
}

/* Uppy Dashboard Dark Theme */
#uppy-container .uppy-Dashboard {
    background: #1a1a1a !important;
    border: 1px solid #333 !important;
    border-radius: 8px !important;
}

#uppy-container .uppy-Dashboard-inner {
    background: #1a1a1a !important;
}

#uppy-container .uppy-DashboardTab {
    color: #ffffff !important;
}

#uppy-container .uppy-DashboardTab:hover {
    background: #2a2a2a !important;
}

#uppy-container .uppy-DashboardTab-label {
    color: #ffffff !important;
}

#uppy-container .uppy-DashboardTab-icon {
    color: #ffc164 !important;
}

#uppy-container .uppy-Dashboard-AddFiles {
    background: #2a2a2a !important;
    border: 2px dashed #ffc164 !important;
    color: #ffc164 !important;
}

#uppy-container .uppy-Dashboard-AddFiles:hover {
    background: #333 !important;
    border-color: #ffb84d !important;
}

#uppy-container .uppy-Dashboard-AddFiles-title {
    color: #ffc164 !important;
}

#uppy-container .uppy-Dashboard-AddFiles-note {
    color: #999 !important;
}

#uppy-container .uppy-DashboardContent-bar {
    background: #2a2a2a !important;
    border-bottom: 1px solid #333 !important;
}

#uppy-container .uppy-DashboardContent-title {
    color: #ffffff !important;
}

#uppy-container .uppy-DashboardContent-back {
    color: #ffc164 !important;
}

#uppy-container .uppy-DashboardItem {
    background: #2a2a2a !important;
    border: 1px solid #333 !important;
}

#uppy-container .uppy-DashboardItem-name {
    color: #ffffff !important;
}

#uppy-container .uppy-DashboardItem-status {
    color: #999 !important;
}

#uppy-container .uppy-DashboardItem-action {
    color: #ffc164 !important;
}

#uppy-container .uppy-DashboardItem-action:hover {
    color: #ffb84d !important;
}

#uppy-container .uppy-ProgressBar {
    background: #333 !important;
}

#uppy-container .uppy-ProgressBar-progress {
    background: #ffc164 !important;
}

#uppy-container .uppy-StatusBar {
    background: #2a2a2a !important;
    border-top: 1px solid #333 !important;
}

#uppy-container .uppy-StatusBar-content {
    color: #ffffff !important;
}

#uppy-container .uppy-StatusBar-actionBtn {
    background: #ffc164 !important;
    color: #000000 !important;
}

#uppy-container .uppy-StatusBar-actionBtn:hover {
    background: #ffb84d !important;
}

#uppy-container .uppy-StatusBar-actionBtn--upload {
    background: #ffc164 !important;
    color: #000000 !important;
}

#uppy-container .uppy-StatusBar-actionBtn--upload:hover {
    background: #ffb84d !important;
}

#uppy-container .uppy-StatusBar-actionBtn--done {
    background: #28a745 !important;
    color: #ffffff !important;
}

#uppy-container .uppy-StatusBar-actionBtn--done:hover {
    background: #218838 !important;
}

#uppy-container .uppy-StatusBar-actionBtn--retry {
    background: #ffc164 !important;
    color: #000000 !important;
}

#uppy-container .uppy-StatusBar-actionBtn--retry:hover {
    background: #ffb84d !important;
}

#uppy-container .uppy-StatusBar-actionBtn--remove {
    color: #ff6b6b !important;
}

#uppy-container .uppy-StatusBar-actionBtn--remove:hover {
    color: #ff5252 !important;
}

#uppy-container .uppy-Informer {
    background: #2a2a2a !important;
    color: #ffffff !important;
    border: 1px solid #333 !important;
}

#uppy-container .uppy-Informer-animated {
    background: #2a2a2a !important;
}

#uppy-container .uppy-Informer-message {
    color: #ffffff !important;
}

#uppy-container .uppy-DashboardItem-preview {
    background: #1a1a1a !important;
}

#uppy-container .uppy-DashboardItem-previewInnerWrap {
    background: #1a1a1a !important;
}

/* Gallery Section */
.loading {
    text-align: center;
    padding: 40px;
    color: #ffc164;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.image-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s, box-shadow 0.3s;
    background: #2a2a2a;
    border: 1px solid #333;
}

.image-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(255, 193, 100, 0.3);
    border-color: #ffc164;
}

.image-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.image-card-info {
    padding: 12px;
}

.image-card-info .filename {
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 8px;
    word-break: break-all;
}

.image-card-info .size {
    font-size: 12px;
    color: #999;
    margin-bottom: 10px;
}

.image-card-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-view {
    flex: 1;
    background: #ffc164;
    color: #000000;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    display: inline-block;
    font-weight: 500;
}

.btn-view:hover {
    background: #ffb84d;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state p {
    font-size: 18px;
    color: #999;
}

/* Pagination */
.pagination-info {
    text-align: center;
    margin-bottom: 15px;
    color: #ffc164;
    font-size: 14px;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 30px;
    padding: 20px 0;
}

.btn-pagination {
    padding: 10px 20px;
    border: 2px solid #ffc164;
    background: #1a1a1a;
    color: #ffc164;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-pagination:hover:not(:disabled) {
    background: #ffc164;
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 100, 0.3);
}

.btn-pagination:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #555;
    color: #666;
}

.pagination-page-info {
    font-size: 14px;
    color: #ffc164;
    font-weight: 500;
    min-width: 120px;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }

    section {
        padding: 20px;
    }
}