:root {
    --primary-grad: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --danger-grad: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
    --success-grad: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.btn-gradient-primary {
    background: var(--primary-grad);
    border: none;
    color: white;
    transition: 0.3s;
}

.btn-gradient-danger {
    background: var(--danger-grad);
    border: none;
    color: white;
    transition: 0.3s;
}

.btn-gradient-success {
    background: var(--success-grad);
    border: none;
    color: white;
    transition: 0.3s;
}

.btn-gradient-primary:hover,
.btn-gradient-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: white;
}

.glass-card {
    background: white;
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    padding: 20px;
}

.doc-preview {
    width: 100px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.doc-checkbox {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 22px;
    height: 22px;
    cursor: pointer;
    z-index: 10;
    border: 2px solid #667eea;
}

.card.glass-card {
    position: relative; /* Checkbox'ın kart içinde hizalanması için */
    transition: all 0.3s ease;
}

.card.selected-card {
    border: 2px solid #667eea;
    background-color: rgba(102, 126, 234, 0.05);
}

#action-buttons {
    display: none; /* JS ile kontrol edilecek */
    gap: 10px;
}
.loading-text {
    display: inline-block;
    /* Parlamanın düzgün çalışması için */
    background: linear-gradient(90deg, #00f, #0ff, #00f) -100%/ 200%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    /* Font boyutunu başlığa uygun hale getirdik */
    font-weight: 700;
    font-size: clamp(0.5rem, 5vw, 1.2rem);
    animation: shimmer 10s linear infinite;
    vertical-align: middle;
}

@keyframes shimmer {
    to {
        background-position: 100%
    }
}
@media (forced-colors: active) {
    .loading-text {
        background: none;
        color: Highlight;
        /* Sistem varsayılan vurgu rengi */
    }
}