/**
 * Frame Extractor Tool - Specific Styles
 * Version 5.0 - Modern UI Redesign
 */

/* ===== Frame Container ===== */
#frameContainer {
    display: none;
    text-align: center;
    margin-top: 40px;
    padding: 40px 0;
}

#frameContainer h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 10px;
}

#frameContainer p {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
}

/* ===== Download Container ===== */
#downloadContainer {
    display: none;
    text-align: center;
    margin-top: 30px;
    margin-bottom: 50px;
}


/* ===== Extract Button ===== */
#extractButton {
    margin-top: 25px;
    margin-bottom: 30px;
}

/* ===== Download Buttons ===== */
#downloadButton,
#downloadAllButton {
    margin: 0 8px;
    position: relative;
}

#downloadButton.loading,
#downloadAllButton.loading {
    pointer-events: none;
    opacity: 0.7;
}

#downloadButton.loading .btn-text,
#downloadAllButton.loading .btn-text {
    visibility: hidden;
}

.btn-spinner {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spinner-rotate 0.8s linear infinite;
}

.loading .btn-spinner {
    display: block;
}

@keyframes spinner-rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===== Slick Carousel ===== */
.slider-for, .slider-nav {
    margin-top: 20px;
}

.slider-for .slick-slide {
    display: flex !important;
    justify-content: center;
    align-items: center;
}

.slider-for .frame-wrapper {
    position: relative;
    display: inline-block;
}

.slider-for img {
    max-height: 550px;
    max-width: 100%;
    width: auto;
    height: auto;
    display: block;
    border-radius: 5px;
}

.slider-nav img {
    max-height: 200px;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}

.slider-nav .slick-current {
    opacity: 1;
}

/* ===== Slick Arrows ===== */
.slick-prev, .slick-next {
    font-size: 0;
    line-height: 0;
    position: absolute;
    top: 50%;
    display: block;
    width: 20px;
    height: 20px;
    padding: 0;
    transform: translate(0, -50%);
    cursor: pointer;
    color: transparent;
    border: none;
    outline: none;
    background: transparent;
    z-index: 1;
}

.slider-for .slick-prev,
.slider-for .slick-next {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.slider-for .slick-prev:hover,
.slider-for .slick-next:hover {
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translate(0, -50%) scale(1.1);
}

.slider-for .slick-prev {
    left: 30px;
}

.slider-for .slick-next {
    right: 30px;
}

.slider-for .slick-prev:before,
.slider-for .slick-next:before {
    color: #2c3e50;
    font-size: 24px;
}

.slick-prev:before, .slick-next:before {
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 20px;
    line-height: 1;
    opacity: .75;
    color: #2c3e50;
    -webkit-font-smoothing: antialiased;
}

.slick-prev:before {
    content: '\f104';
}

.slick-next:before {
    content: '\f105';
}

/* ===== Frame Checkbox ===== */
.frame-checkbox {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 1;
    width: 28px;
    height: 28px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-color: rgba(255, 255, 255, 0.9);
    border: 3px solid #2ecc71;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.frame-checkbox:hover {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: #27ae60;
    transform: scale(1.1);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
}

.frame-checkbox:checked {
    background-color: #2ecc71;
    border-color: #27ae60;
}

.frame-checkbox:checked::after {
    content: '\2713';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 18px;
    font-weight: bold;
}

/* ===== Thumbnail Slider ===== */
.slider-nav .slick-slide {
    position: relative;
    margin: 0 5px;
    opacity: 0.7;
    transition: opacity 0.3s;
    display: flex !important;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.thumbnail-checkmark {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: #2ecc71;
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider-nav .slick-slide.frame-selected .thumbnail-checkmark {
    opacity: 1;
}

.thumbnail-checkmark.visible {
    opacity: 1;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    #downloadButton,
    #downloadAllButton {
        font-size: 14px;
        padding: 15px 10px;
        margin-left: 0;
    }

    .slider-nav .slick-slide {
        margin: 0 2px;
    }

    .slick-prev {
        left: -15px;
    }

    .slick-next {
        right: -15px;
    }
}