.progress-btn { 
    position: relative; 
    overflow: hidden; 
    border: none; 
    transition: all 0.2s ease;
}
.progress-btn .progress-fill {
    position: absolute; 
    top: 0; 
    left: 0; 
    bottom: 0;
    background: rgba(0, 0, 0, 0.2); 
    width: 0%;
    transition: width 0.3s ease; 
    z-index: 1;
}
body.dark-mode .progress-btn .progress-fill { 
    background: rgba(255, 255, 255, 0.25); 
}
.progress-btn span { 
    position: relative; 
    z-index: 2; 
    pointer-events: none; 
}
.drop-zone {
    border: 2px dashed var(--glass-border);
    cursor: pointer;
    transition: all 0.3s ease;
}
.drop-zone:hover {
    border-color: var(--btn-primary);
    background: rgba(0, 113, 227, 0.03);
}
body.dark-mode #loadingOverlay { background: rgba(30, 30, 30, 0.85) !important; }

.tool-card {
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    border: 1px solid var(--glass-border);
    height: 100%;
}
.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    border-color: #0071e3;
}
body.dark-mode .tool-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    border-color: #0071e3;
}
.tool-card .icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(0, 113, 227, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px auto;
    color: #0071e3;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}
.tool-card:hover .icon-wrapper {
    background: #0071e3;
    color: white;
}

.faq-wrapper {
    border: 1px solid var(--glass-border, rgba(0, 0, 0, 0.1));
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
}
body.dark-mode .faq-wrapper {
    background: rgba(30, 30, 30, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
}
.faq-wrapper .accordion-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--glass-border, rgba(0, 0, 0, 0.1));
    border-radius: 0 !important;
}
body.dark-mode .faq-wrapper .accordion-item {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}
.faq-wrapper .accordion-item:last-child {
    border-bottom: none;
}
.faq-wrapper .accordion-button {
    box-shadow: none !important;
    background: transparent !important;
    color: inherit;
}
.faq-wrapper .accordion-button:not(.collapsed) {
    color: inherit;
}
body.dark-mode .faq-wrapper .accordion-button {
    color: #ffffff !important;
}
body.dark-mode .faq-wrapper .accordion-button::after {
    filter: brightness(0) invert(1);
}