/* Custom styles for the PDF converter */

.upload-area {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area.dragover {
    border-color: #7c3aed;
    background-color: #f3f4f6;
    transform: scale(1.02);
}

.upload-area.uploading {
    border-color: #7c3aed;
    background-color: #ede9fe;
}

.upload-area.converting {
    border-color: #2563eb;
    background-color: #dbeafe;
}

.upload-area.success {
    border-color: #059669;
    background-color: #d1fae5;
}

.upload-area.error {
    border-color: #dc2626;
    background-color: #fee2e2;
}

/* Progress bar animations */
@keyframes progress-bar-stripes {
    from {
        background-position: 40px 0;
    }
    to {
        background-position: 0 0;
    }
}

.progress-bar-animated {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 40px 40px;
    animation: progress-bar-stripes 1s linear infinite;
}

/* File input styling */
.file-input-label {
    display: inline-block;
    padding: 12px 24px;
    cursor: pointer;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px 0 rgba(116, 79, 168, 0.75);
}

.file-input-label:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(116, 79, 168, 0.4);
}

/* Alert styles */
.alert {
    padding: 16px;
    margin-bottom: 16px;
    border-radius: 8px;
    font-weight: 500;
    display: flex;
    align-items: center;
    animation: slideIn 0.3s ease-out;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: #7c3aed;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive improvements */
@media (max-width: 640px) {
    .upload-area {
        min-height: 250px;
        padding: 2rem 1rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* RTL support improvements */
[dir="rtl"] .fas {
    margin-left: 8px;
    margin-right: 0;
}

[dir="rtl"] .space-x-reverse > * + * {
    margin-right: 1rem;
    margin-left: 0;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Button hover effects */
.btn-hover {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-hover:hover::before {
    left: 100%;
}