@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --success: #10b981;
    --success-hover: #059669;
    --bg-surface: #ffffff;
    --bg-app: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

.iskills-converter-wrapper {
    max-width: 900px;
    margin: 50px auto;
    font-family: 'Outfit', -apple-system, sans-serif;
    background: var(--bg-surface);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
}

/* Upload Area with Glass effect hint */
.iskills-upload-area {
    border: 3px dashed #cbd5e1;
    border-radius: 16px;
    padding: 80px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(to bottom, #f8fafc, #f1f5f9);
    position: relative;
    overflow: hidden;
}

.iskills-upload-area:hover,
.iskills-upload-area.dragover {
    border-color: var(--primary);
    background: #eef2ff;
    transform: scale(1.005);
}

.iskills-upload-area p {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin: 0;
}

.iskills-upload-area .browser-btn {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
    position: relative;
    z-index: 10;
    padding: 4px 8px;
    border-radius: 6px;
    background: rgba(79, 70, 229, 0.1);
    transition: background 0.2s;
}

.iskills-upload-area .browser-btn:hover {
    background: rgba(79, 70, 229, 0.2);
}

/* Controls Header */
.iskills-controls {
    margin: 30px 0;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    flex-wrap: wrap;
    justify-content: space-between;
}

.controls-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.iskills-controls label {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.iskills-controls select {
    padding: 10px 40px 10px 16px;
    border-radius: 10px;
    border: 2px solid var(--border);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    background-color: transparent;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.iskills-controls select:focus {
    border-color: var(--primary);
}

/* Primary Buttons */
.button-primary,
.button-secondary {
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
}

#iskills-convert-all-btn {
    background: var(--primary);
    color: white;
}

#iskills-convert-all-btn:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(79, 70, 229, 0.3);
}

#iskills-convert-all-btn:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

#iskills-download-all-btn {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 6px rgba(16, 185, 129, 0.2);
}

#iskills-download-all-btn:hover {
    background: var(--success-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(16, 185, 129, 0.3);
}

/* File List with Staggered Animation */
.iskills-file-list {
    margin-top: 40px;
    display: grid;
    gap: 16px;
}

.iskills-file-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    background: #fff;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s;
    animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.iskills-file-item:hover {
    transform: translateY(-2px) scale(1.005);
    box-shadow: var(--shadow-hover);
}

.file-preview img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 10px;
    margin-right: 24px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.file-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
}

.file-meta {
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.converted-size {
    color: var(--success);
    font-weight: 600;
}

/* Action Buttons within Item */
.file-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 5;
}

.iskills-convert-btn {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.iskills-convert-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

.iskills-download-btn {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s;
}

.iskills-download-btn:hover {
    background: var(--success);
    color: white;
}

.status-msg {
    font-size: 0.9rem;
    font-weight: 600;
}

/* Progress Bar */
.progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: rgba(226, 232, 240, 0.5);
    width: 100%;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #818cf8);
    width: 0%;
    border-radius: 0 4px 4px 0;
    transition: width 0.4s ease-out;
}
/* Mobile Optimization */
@media (max-width: 768px) {
    .iskills-converter-wrapper {
        padding: 1.5rem;
        margin: 20px 10px;
    }

    .iskills-upload-area {
        padding: 40px 20px;
    }

    .iskills-upload-area p {
        font-size: 1.1rem;
    }

    /* Stack Controls */
    .iskills-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .controls-group {
        flex-direction: column;
        width: 100%;
        gap: 0.8rem;
    }

    .iskills-controls select, 
    .iskills-controls button {
        width: 100%;
        justify-content: center;
    }

    /* Stack File Items */
    .iskills-file-item {
        grid-template-columns: 1fr;
        gap: 12px;
        text-align: center;
        padding: 20px;
    }

    .file-preview {
        justify-self: center;
    }

    .file-preview img {
        margin-right: 0;
        width: 80px;
        height: 80px;
    }

    .file-info {
        align-items: center;
    }

    .file-meta {
        justify-content: center;
    }

    .file-actions {
        flex-direction: column;
        width: 100%;
        margin-top: 10px;
    }

    .iskills-convert-btn, 
    .iskills-download-btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

/* Modal Styles */
.iskills-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
}

.iskills-modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    overflow: hidden;
    background: transparent;
}

.iskills-modal-img {
    width: 100%;
    height: auto;
    max-height: 90vh;
    object-fit: contain;
    display: block;
}

.iskills-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 1010;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.iskills-close:hover,
.iskills-close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

.iskills-preview-btn {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.iskills-preview-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}