/* FileUpload.css */

.upload-area {
    border: 2px dashed #4CAF50;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

    .upload-area:hover {
        border-color: #45a049;
        background: linear-gradient(135deg, #e0e7ef 0%, #b8c6db 100%);
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
    }

    .upload-area.drag-over {
        border-color: #2196F3;
        background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
        transform: scale(1.02);
    }

.upload-icon {
    font-size: 64px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.upload-text {
    color: #333;
}

.upload-title {
    font-size: 18px;
    font-weight: bold;
    margin: 0 0 8px 0;
    color: #2c3e50;
}

.upload-subtitle {
    font-size: 14px;
    color: #7f8c8d;
    margin: 0;
}

/* Progress Bar */
.upload-progress {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 2px solid #e9ecef;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: #e9ecef;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50 0%, #8BC34A 100%);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

    .progress-fill::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        background: linear-gradient( 90deg, transparent, rgba(255, 255, 255, 0.3), transparent );
        animation: shimmer 1.5s infinite;
    }

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.progress-text {
    text-align: center;
    margin-top: 12px;
    font-size: 16px;
    font-weight: bold;
    color: #4CAF50;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* Upload Result */
.upload-result {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 12px;
    border: 2px solid #4CAF50;
    animation: slideIn 0.5s ease;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-icon {
    font-size: 48px;
    animation: checkmark 0.6s ease;
}

@keyframes checkmark {
    0% {
        transform: scale(0) rotate(0deg);
    }

    50% {
        transform: scale(1.2) rotate(180deg);
    }

    100% {
        transform: scale(1) rotate(360deg);
    }
}

.result-info {
    flex: 1;
    text-align: right;
}

.result-filename {
    font-size: 16px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 5px;
    word-break: break-all;
}

.result-size {
    font-size: 14px;
    color: #7f8c8d;
}

.btn-remove {
    background: #f44336;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
}

    .btn-remove:hover {
        background: #d32f2f;
        transform: scale(1.05);
        box-shadow: 0 4px 8px rgba(244, 67, 54, 0.3);
    }

    .btn-remove:active {
        transform: scale(0.95);
    }

/* Upload Error */
.upload-error {
    padding: 15px 20px;
    background: linear-gradient(135deg, #ffebee 0%, #ffcdd2 100%);
    border: 2px solid #f44336;
    border-radius: 12px;
    color: #c62828;
    font-size: 15px;
    font-weight: bold;
    text-align: center;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .upload-area {
        padding: 30px 15px;
    }

    .upload-icon {
        font-size: 48px;
    }

    .upload-title {
        font-size: 16px;
    }

    .upload-subtitle {
        font-size: 12px;
    }

    .upload-result {
        flex-direction: column;
        text-align: center;
    }

    .result-info {
        text-align: center;
    }
}

/* Loading Spinner (اختیاری - برای زمان پردازش) */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(76, 175, 80, 0.3);
    border-radius: 50%;
    border-top-color: #4CAF50;
    animation: spin 1s linear infinite;
}

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