:root {
    --bg-color: #1a1a1a;
    --container-bg: #2a2a2a;
    --text-color: #f0f0f0;
    --input-border: #444;
    --button-bg: #8a2be2;
    --button-hover: #9b4deb;
    --link-color: #a29bfe;
    --error-color: #ff5252;
    --success-color: #4cd137;
    --secondary-button-bg: #555;
    --secondary-button-hover: #666;
    --download-button-bg: #2980b9;
    --download-button-hover: #3498db;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    background-color: var(--container-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: background-color 0.3s, box-shadow 0.3s;
    animation: fadeIn 0.5s ease-out;
    width: 90%;
    max-width: 800px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

form {
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    margin-bottom: 15px;
    border: 2px solid var(--input-border);
    border-radius: 6px;
    background-color: var(--container-bg);
    color: var(--text-color);
    transition: border-color 0.3s, background-color 0.3s, color 0.3s;
    font-family: inherit;
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: var(--button-bg);
}

button {
    padding: 12px 24px;
    background-color: var(--button-bg);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

button:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
}

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

#results {
    margin-top: 20px;
    width: 100%;
    text-align: left;
}

.result-item {
    background-color: rgba(138, 43, 226, 0.1);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    animation: fadeIn 0.3s ease-out;
    border-left: 4px solid var(--button-bg);
}

.result-item.error {
    background-color: rgba(255, 82, 82, 0.1);
    border-left: 4px solid var(--error-color);
}

.url-original {
    font-weight: bold;
    margin-bottom: 8px;
    word-break: break-all;
}

.url-proxied {
    word-break: break-all;
    color: var(--link-color);
    margin: 10px 0;
    padding: 8px;
    background-color: rgba(138, 43, 226, 0.15);
    border-radius: 4px;
}

.filename {
    margin: 8px 0;
    font-size: 0.9em;
    color: rgba(240, 240, 240, 0.8);
}

.error-message {
    color: var(--error-color);
}

.loading {
    color: var(--link-color);
    font-style: italic;
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.download-btn, .copy-btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--button-bg);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.1s;
    font-size: 0.9em;
}

.copy-btn {
    background-color: var(--secondary-button-bg);
}

.copy-btn:hover {
    background-color: var(--secondary-button-hover);
}

.download-btn:hover, .copy-btn:hover {
    transform: translateY(-2px);
}

.download-btn:active, .copy-btn:active {
    transform: translateY(0);
}

#bulkActionsContainer {
    margin-top: 25px;
    border-top: 1px solid var(--input-border);
    padding-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    position: relative;
}

.bulk-action-btn {
    padding: 12px 20px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bulk-action-btn:before {
    margin-right: 8px;
    font-size: 16px;
}

.copy-all-btn {
    background-color: var(--button-bg);
}

.copy-all-btn:hover {
    background-color: var(--button-hover);
}

.download-all-btn {
    background-color: var(--download-button-bg);
}

.download-all-btn:hover {
    background-color: var(--download-button-hover);
}

.action-message {
    display: block;
    width: 100%;
    margin-top: 10px;
    color: var(--success-color);
    opacity: 0;
    transition: opacity 0.3s;
    text-align: center;
    font-size: 0.9em;
}

.action-message.error {
    color: var(--error-color);
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .bulk-action-btn {
        width: 100%;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .download-btn, .copy-btn {
        width: 100%;
        text-align: center;
    }
}

.toggle-container {
    position: absolute;
    top: 20px;
    right: 20px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--button-bg);
}

input:checked + .slider:before {
    transform: translateX(26px);
}