/* Стили для области drag and drop загрузки файлов */

/* Контейнер области загрузки */
.xlsx-uploader-container {
    position: relative;
    width: 100%;
    height: 60px;
    margin-bottom: 30px;
    border-radius: 12px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.5s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: transparent;
}

.xlsx-uploader-container:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.xlsx-uploader-container.is-dragging {
    transform: scale(1.02);
    border-color: rgba(59, 130, 246, 0.5);
}

.xlsx-uploader-container.has-error {
    border-color: rgba(239, 68, 68, 0.4);
}

/* Скрытый input */
.xlsx-uploader-container input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* Слой hover highlight - меняет прозрачность при наведении */
.xlsx-uploader-highlight {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.05);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.xlsx-uploader-container:hover .xlsx-uploader-highlight {
    opacity: 1;
}

.xlsx-uploader-container.is-dragging .xlsx-uploader-highlight {
    background: rgba(59, 130, 246, 0.2);
    opacity: 1;
}

/* Сетка */
.xlsx-uploader-grid {
    position: absolute;
    inset: 0;
    background-size: 30px 30px;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    opacity: 0.3;
    transition: all 0.5s;
    pointer-events: none;
}

.xlsx-uploader-container:hover .xlsx-uploader-grid {
    opacity: 0.5;
    --grid-color: rgba(255, 255, 255, 0.15);
}

.xlsx-uploader-container.is-dragging .xlsx-uploader-grid {
    --grid-color: rgba(59, 130, 246, 0.4);
}

.xlsx-uploader-container.has-error .xlsx-uploader-grid {
    --grid-color: rgba(239, 68, 68, 0.3);
}

/* Угловые акценты */
.xlsx-uploader-corners {
    position: absolute;
    inset: 4px;
    pointer-events: none;
}

.xlsx-uploader-corner {
    position: absolute;
    width: 1rem;
    height: 1rem;
    transition: border-color 0.5s;
    border-color: rgba(255, 255, 255, 0.2);
}

.xlsx-uploader-corner.top-left {
    top: 0;
    left: 0;
    border-left: 2px solid;
    border-top: 2px solid;
    border-top-left-radius: 4px;
}

.xlsx-uploader-corner.top-right {
    top: 0;
    right: 0;
    border-right: 2px solid;
    border-top: 2px solid;
    border-top-right-radius: 4px;
}

.xlsx-uploader-corner.bottom-left {
    bottom: 0;
    left: 0;
    border-left: 2px solid;
    border-bottom: 2px solid;
    border-bottom-left-radius: 4px;
}

.xlsx-uploader-corner.bottom-right {
    bottom: 0;
    right: 0;
    border-right: 2px solid;
    border-bottom: 2px solid;
    border-bottom-right-radius: 4px;
}

.xlsx-uploader-container:hover .xlsx-uploader-corner {
    border-color: rgba(255, 255, 255, 0.6);
}

.xlsx-uploader-container.has-error .xlsx-uploader-corner {
    border-color: rgba(239, 68, 68, 0.4);
}

/* Контент */
.xlsx-uploader-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    z-index: 10;
    padding: 0 24px;
    user-select: none;
}

/* Текстовая область */
.xlsx-uploader-text {
    flex: 1;
    margin-right: 16px;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.xlsx-uploader-text p {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
}

.xlsx-uploader-text .placeholder {
    color: #9ca3af;
}

.xlsx-uploader-container:hover .xlsx-uploader-text .placeholder {
    color: #ffffff;
}

.xlsx-uploader-container.is-dragging .xlsx-uploader-text .placeholder {
    color: #93c5fd;
}

.xlsx-uploader-text .filename {
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.025em;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.xlsx-uploader-text .error {
    color: #f87171;
    font-weight: 500;
    font-size: 14px;
    animation: fadeInSlide 0.3s ease-out;
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Иконка */
.xlsx-uploader-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.5s;
    flex-shrink: 0;
}

.xlsx-uploader-container:hover .xlsx-uploader-icon {
    border-color: rgba(255, 255, 255, 0.2);
}

.xlsx-uploader-container.is-dragging .xlsx-uploader-icon {
    background: rgba(59, 130, 246, 0.3);
    border-color: rgba(59, 130, 246, 0.5);
}

.xlsx-uploader-icon svg {
    width: 20px;
    height: 20px;
    color: #9ca3af;
    transition: color 0.3s;
}

.xlsx-uploader-container:hover .xlsx-uploader-icon svg {
    color: #ffffff;
}

.xlsx-uploader-container.is-dragging .xlsx-uploader-icon svg {
    color: #60a5fa;
}