/* Dark Theme Base */
body {
    color: var(--font-color-white);
}

/* Custom Orange Theme for Bootstrap */
.btn-primary {
    background-color: var(--background-color-orange) !important;
    border-color: var(--background-color-orange) !important;
    color: var(--font-color-white) !important;
}

.btn-primary:hover {
    background-color: #ff5747 !important;
    border-color: #ff5747 !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 111, 97, 0.4);
}

.btn-outline-secondary {
    border-color: var(--card-background-color-grey) !important;
    color: var(--font-color-white) !important;
}

.btn-outline-secondary:hover {
    background-color: var(--card-background-color-grey) !important;
    border-color: var(--font-color-white) !important;
    color: var(--font-color-white) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(75, 71, 71, 0.3);
}

/* Cards */
.card {
    background-color: var(--card-background-color-grey);
    border: 1px solid var(--background-color-grey);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-body {
    color: var(--font-color-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--font-color-white) !important;
}

.display-4, .lead {
    color: var(--font-color-white) !important;
}

/* Drop Zone */
.drop-zone {
    background-color: var(--background-color-grey);
    border: 3px dashed var(--card-background-color-grey);
    border-radius: 15px;
    padding: 60px 20px;
    min-height: 250px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.drop-zone:hover {
    border-color: var(--background-color-orange);
    background-color: var(--card-background-color-grey);
    transform: translateY(-2px);
}

.drop-zone.dragover {
    border-color: var(--background-color-orange) !important;
    background-color: var(--card-background-color-grey) !important;
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(255, 111, 97, 0.3);
}

.drop-zone-content {
    pointer-events: none;
}

/* Image Preview Items */
.image-preview-item,
.compressed-image-item,
.converted-image-item {
    background-color: var(--background-color-grey);
    border: 1px solid var(--card-background-color-grey);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
}

.image-preview-item:hover,
.compressed-image-item:hover,
.converted-image-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

.image-preview-thumbnail,
.compressed-image-thumbnail,
.converted-image-thumbnail {
    width: 100%;
    height: 200px !important;
    object-fit: cover;
    background-color: var(--bg-black);
}

.image-preview-info,
.compressed-image-info,
.converted-image-info {
    padding: 15px;
    color: var(--font-color-white);
}

.image-preview-filename,
.compressed-image-filename,
.converted-image-filename {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 5px;
    word-break: break-all;
    color: var(--font-color-white);
    line-height: 1.3;
}

.image-preview-size,
.compressed-image-size,
.converted-image-size {
    font-size: 0.85rem;
    color: var(--card-background-color-grey);
    margin-bottom: 8px;
}

.compressed-image-compression {
    font-size: 0.8rem;
    color: #28a745;
    margin-bottom: 8px;
    font-weight: 600;
}

/* Remove Button */
.remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(220, 53, 69, 0.9);
    color: var(--font-color-white);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.remove-btn:hover {
    background-color: rgba(220, 53, 69, 1);
    transform: scale(1.1);
}

/* Form Controls */
.form-control,
.form-select {
    background-color: var(--background-color-grey);
    border: 1px solid var(--card-background-color-grey);
    color: var(--font-color-white);
    padding: 5px;
    border-radius: 5px;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--card-background-color-grey);
    border-color: var(--background-color-orange);
    color: var(--font-color-white);
    box-shadow: 0 0 0 0.2rem rgba(255, 111, 97, 0.25);
}

.form-control::placeholder {
    color: var(--card-background-color-grey);
}

.form-select option {
    background-color: var(--background-color-grey);
    color: var(--font-color-white);
}

/* Form Range Slider */
.form-range{
    width: 100%;
}
.form-range::-webkit-slider-track {
    background: var(--card-background-color-grey);
    height: 6px;
    border-radius: 3px;
}

.form-range::-webkit-slider-thumb {
    background: var(--background-color-orange);
    border: 2px solid var(--font-color-white);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
}

.form-range::-moz-range-track {
    background: var(--card-background-color-grey);
    height: 6px;
    border-radius: 3px;
}

.form-range::-moz-range-thumb {
    background: var(--background-color-orange);
    border: 2px solid var(--font-color-white);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
}

/* Download Loader */
.download-loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(19, 18, 18, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.download-loader-content {
    background-color: var(--card-background-color-grey);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    min-width: 350px;
    border: 1px solid var(--background-color-grey);
}

.download-loader-content .spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
    border-color: var(--background-color-orange);
}

.download-loader-content h5 {
    color: var(--font-color-white);
    font-weight: 600;
    margin: 0;
}

.download-loader-content .progress {
    height: 8px;
    border-radius: 4px;
    background-color: var(--background-color-grey);
}

.download-loader-content .progress-bar {
    background-color: var(--background-color-orange);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 10px;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.2);
    color: #d1fae5;
    border: 1px solid #059669;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.2);
    color: #fecaca;
    border: 1px solid #dc2626;
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.2);
    color: #fef3c7;
    border: 1px solid #d97706;
}

/* Loading Spinner */
.spinner-border {
    border-color: var(--background-color-orange) transparent;
}

.spinner-border.text-primary {
    border-color: var(--background-color-orange) transparent;
}

/* Button Loading State */
.btn-downloading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-downloading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid var(--font-color-white);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .drop-zone {
        padding: 40px 15px;
        min-height: 200px;
    }
    
    .image-preview-thumbnail,
    .compressed-image-thumbnail,
    .converted-image-thumbnail {
        height: 120px;
    }
    
    .download-loader-content {
        min-width: 300px;
        padding: 30px;
    }
}

@media (max-width: 576px) {
    .image-preview-thumbnail,
    .compressed-image-thumbnail,
    .converted-image-thumbnail {
        height: 100px;
    }
    
    .image-preview-info,
    .compressed-image-info,
    .converted-image-info {
        padding: 10px;
    }
    
    .image-preview-filename,
    .compressed-image-filename,
    .converted-image-filename {
        font-size: 0.8rem;
    }
    
    .image-preview-size,
    .compressed-image-size,
    .converted-image-size,
    .compressed-image-compression {
        font-size: 0.75rem;
    }
}

/* File Input */
#fileInput {
    display: none;
}