body {
    background-color: #f8fafc !important;
    min-height: 100vh;
}
.upload-container {
    max-width: 900px;
    margin: 40px auto;
    background: #ffffff !important;
    border-radius: 16px !important;
    border: 1px solid rgba(226, 232, 240, 0.8) !important;
    padding: 40px !important;
    box-shadow: var(--card-shadow) !important;
    animation: slideUp 0.6s ease;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}
.upload-header {
    text-align: center;
    margin-bottom: 40px;
}
.upload-header h1 {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}
.upload-header p {
    color: #666;
    font-size: 16px;
}

/* FILE UPLOAD ZONE */
.file-upload-zone {
    border: 3px dashed #ddd;
    border-radius: 20px;
    padding: 60px 30px;
    text-align: center;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 30px;
    position: relative;
}
.file-upload-zone:hover {
    border-color: #667eea;
    background: #f0f2ff;
    transform: scale(1.02);
}
.file-upload-zone.dragover {
    border-color: #667eea;
    background: #e7eaff;
    border-width: 4px;
}
.file-icon-big {
    font-size: 80px;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.file-upload-zone h4 {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}
.file-upload-zone p {
    color: #666;
    font-size: 15px;
}
.file-upload-zone strong {
    color: #667eea;
}

/* FILE SELECTED */
.file-selected {
    display: none;
    background: linear-gradient(135deg, #e7eaff, #f0f2ff);
    border: 2px solid #667eea;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    align-items: center;
    gap: 20px;
    animation: fadeIn 0.5s ease;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.file-selected.show {
    display: flex;
}
.file-preview-icon {
    font-size: 60px;
    animation: rotate 2s linear infinite;
}
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.file-info h5 {
    margin: 0 0 5px 0;
    font-weight: 700;
    color: #333;
}
.file-info small {
    color: #666;
}

/* FORM GROUPS */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}
.form-group {
    margin-bottom: 25px;
}
.form-group label {
    display: block;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    font-size: 15px;
}
.form-group > label > span {
    color: #ff4444;
}
.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: inherit;
}
.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}
textarea.form-control {
    resize: vertical;
    min-height: 120px;
}
select.form-control {
    cursor: pointer;
}

/* CATEGORY GRID */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}
.category-item {
    position: relative;
}
.category-item input[type="radio"] {
    display: none;
}
.category-label {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    padding: 20px 10px !important;
    border: 2px solid #e2e8f0 !important;
    border-radius: 16px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    background: white !important;
}
.category-label:hover {
    border-color: var(--primary-color) !important;
    transform: translateY(-5px) !important;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.15) !important;
}
.category-item input[type="radio"]:checked + .category-label {
    border-color: var(--primary-color) !important;
    background: rgba(99, 102, 241, 0.05) !important;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.2) !important;
}
.category-icon {
    font-size: 40px !important;
    margin-bottom: 8px !important;
}
.category-name {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #0f172a !important;
}

/* TAGS INPUT */
.tag-hint {
    font-size: 13px;
    color: #666;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* PRIVACY TOGGLE */
.privacy-option {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 15px;
}
.privacy-option:hover {
    border-color: #667eea;
}
.privacy-option input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}
.privacy-option input[type="radio"]:checked + .privacy-label {
    color: #667eea;
    font-weight: 700;
}

/* SUBMIT BUTTON */
.btn-submit {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}
.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}
.btn-submit:active {
    transform: translateY(0);
}
.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .upload-container {
        padding: 30px 20px;
        margin: 20px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}