/* General Styles */
:root {
    --primary-color: #4e54c8;
    --secondary-color: #8f94fb;
    --accent-color: #563d7c;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 10px;
    --box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Tahoma', 'Arial', sans-serif;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    background-attachment: fixed;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.card {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: rgba(78, 84, 200, 0.1);
    border-bottom: 1px solid rgba(78, 84, 200, 0.2);
    font-weight: bold;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: rgba(78, 84, 200, 0.05);
}

.upload-area:hover {
    background-color: rgba(78, 84, 200, 0.1);
    border-color: var(--accent-color);
}

.upload-area.active {
    border-color: #28a745;
    background-color: rgba(40, 167, 69, 0.1);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(78, 84, 200, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78, 84, 200, 0.4);
    background: linear-gradient(135deg, var(--secondary-color) 10%, var(--primary-color) 90%);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(78, 84, 200, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

/* Text areas */
.original-text, .translated-text {
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    min-height: 200px;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    line-height: 1.8;
}

.original-text {
    direction: ltr;
    text-align: left;
    font-family: 'Arial', sans-serif;
}

.translated-text {
    direction: rtl;
    text-align: right;
    font-family: 'Tahoma', 'Arial', sans-serif;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1.25rem;
    }
    
    .upload-area {
        padding: 2rem 1rem;
    }
    
    .original-text, .translated-text {
        min-height: 150px;
    }
}

/* Progress Bar */
.progress {
    height: 10px;
    border-radius: 5px;
    overflow: hidden;
    background-color: #f5f5f5;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
    margin: 1rem 0;
}

.progress-bar {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

/* Loading Animation */
.spinner-border {
    width: 3rem;
    height: 3rem;
    color: var(--primary-color);
}

/* Page navigation */
#page-indicator {
    font-weight: bold;
    color: var(--dark-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background-color: rgba(78, 84, 200, 0.1);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--secondary-color), var(--primary-color));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}