/* Gemini Image Optimizer Modern UI */
.gio-modern-container {
    max-width: 650px; margin: 30px auto; padding: 40px;
    background: rgba(255, 255, 255, 0.88); border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #333;
}
.gio-title { text-align: center; font-size: 24px; font-weight: 700; color: #1e293b; margin-bottom: 25px; }

.gio-format-selector { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.gio-format-selector input[type="radio"] { display: none; }
.gio-format-label {
    padding: 8px 20px; background: #f1f5f9; color: #64748b;
    border-radius: 50px; cursor: pointer; font-weight: 500; font-size: 14px;
    transition: all 0.3s ease; border: 2px solid transparent;
}
.gio-format-selector input[type="radio"]:checked + .gio-format-label {
    background: #ebf5ff; color: #0ea5e9; border-color: #0ea5e9;
    box-shadow: 0 4px 10px rgba(14, 165, 233, 0.15);
}

.gio-drop-zone {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 60px 20px; border: 2px dashed #cbd5e1; border-radius: 16px;
    background: #f8fafc; cursor: pointer; transition: all 0.3s ease;
}
.gio-drop-zone:hover, .gio-drop-zone.dragover {
    background: #f0f9ff; border-color: #0ea5e9;
}
.gio-drop-icon {
    font-size: 40px; margin-bottom: 15px; color: #94a3b8;
    transition: transform 0.3s ease;
}

.gio-file-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 20px; background: #f8fafc; border-radius: 12px;
    margin-bottom: 10px; border: 1px solid #e2e8f0;
}
.gio-saved-badge {
    display: inline-block; padding: 3px 8px; background: #dcfce7; color: #166534;
    border-radius: 20px; font-size: 11px; font-weight: 700;
}

.gio-btn-zip {
    background: #10b981; color: #fff; padding: 12px 24px; border: none;
    border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer;
}