:root {
    --bg-color: #121212;
    --primary-color: #1e1e1e;
    --secondary-color: #2a2a2a;
    --font-color: #e0e0e0;
    --accent-color: #007bff;
    --border-color: #333;
    --success-color: #28a745;
    --error-color: #dc3545;
    --info-color: #17a2b8;
}
html {
    direction: ltr; /* Default direction */
}
html[dir="rtl"] {
    direction: rtl;
}
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--font-color);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    box-sizing: border-box;
}
.language-selector-container {
    position: absolute;
    top: 20px;
    right: 20px;
}
#languageSelector {
    background-color: var(--secondary-color);
    color: var(--font-color);
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: 6px;
    font-size: 0.9rem;
}
.container {
    width: 100%;
    max-width: 600px;
    background-color: var(--primary-color);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    margin-top: 60px;
}
header h1 { margin: 0; font-size: 2.5rem; text-align: center; }
header p { color: #a0a0a0; font-size: 1rem; text-align: center; margin-bottom: 30px;}
.upload-area { text-align: center; padding: 30px; border: 2px dashed var(--border-color); border-radius: 8px; background-color: var(--secondary-color); margin-bottom: 30px; }
#uploadButton { background-color: var(--accent-color); color: white; border: none; padding: 12px 24px; border-radius: 6px; font-size: 1rem; font-weight: 500; cursor: pointer; transition: background-color 0.2s, transform 0.2s; }
#uploadButton:hover { background-color: #0056b3; transform: translateY(-2px); }
.file-name { margin-top: 15px; color: #b0b0b0; font-style: italic; min-height: 1.2em; }
.progress-section { margin-bottom: 20px; }
.progress-section p { margin: 0 0 8px 0; font-size: 0.9rem; }
.progress-bar-container { width: 100%; background-color: var(--secondary-color); border-radius: 20px; padding: 3px; box-shadow: inset 0 1px 3px rgba(0,0,0,0.4); }
.progress-bar {
    height: 18px; /* Slightly taller for text */
    background: linear-gradient(90deg, #007bff, #00aaff);
    border-radius: 20px;
    width: 0%;
    transition: width 0.4s ease;
    /* Styles for percentage text */
    color: white;
    text-align: center;
    font-size: 0.8rem;
    line-height: 18px; /* Center text vertically */
    font-weight: 500;
}
#storageProgressText { display: block; text-align: right; font-size: 0.8rem; color: #a0a0a0; margin-top: 5px; }
.message-area { margin-top: 20px; padding: 15px; border-radius: 8px; text-align: center; word-break: break-all; border-left: 4px solid; }
.message-area.success { border-color: var(--success-color); background-color: rgba(40, 167, 69, 0.1); }
.message-area.error { border-color: var(--error-color); background-color: rgba(220, 53, 69, 0.1); color: #ff8a8a; }
.message-area.info { border-color: var(--info-color); background-color: rgba(23, 162, 184, 0.1); color: #8adae9; }
.copy-button { background-color: var(--secondary-color); color: var(--font-color); border: 1px solid var(--border-color); padding: 5px 10px; margin-left: 10px; border-radius: 4px; cursor: pointer; }
.copy-button:hover { background-color: #444; }
.file-list-section { margin-top: 30px; }
.file-table { width: 100%; border-collapse: collapse; }
.file-table th, .file-table td { padding: 10px; border-bottom: 1px solid var(--border-color); text-align: left; }
.file-table th { font-size: 0.9rem; color: #a0a0a0; }
.file-table td { font-size: 0.9rem; font-family: monospace; }
footer { text-align: center; margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--border-color); }
footer a { color: #a0a0a0; text-decoration: none; }
footer a:hover { color: var(--accent-color); }
.modal { position: fixed; z-index: 100; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.7); display: flex; justify-content: center; align-items: center; }
.modal-content { background-color: var(--primary-color); margin: auto; padding: 20px 40px; border: 1px solid var(--border-color); border-radius: 12px; width: 90%; max-width: 800px; position: relative; }
.modal-close { color: #aaa; position: absolute; top: 10px; right: 20px; font-size: 28px; font-weight: bold; cursor: pointer; }
.modal-content ul { padding-left: 20px; }
.modal-content li { margin-bottom: 10px; }

@media (max-width: 768px) {
    body { padding: 10px; }
    .container { padding: 20px; margin-top: 80px; }
    header h1 { font-size: 2rem; }
    .language-selector-container { top: 10px; right: 10px; }
    #languageSelector { padding: 5px; }
    .modal-content { padding: 20px; width: 95%; }
}