.form-group {
    margin-bottom: 25px;
    position: relative;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #e0e0e0;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"], input[type="file"], select {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

input[type="text"]:focus, input[type="file"]:focus, select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 0 20px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

input[type="text"]::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

select {
    cursor: pointer;
}

select option {
    background: #1a1a1a;
    color: #ffffff;
    padding: 10px;
}

.file-input-wrapper {
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.file-input-wrapper input[type="file"] {
    cursor: pointer;
}

.file-input-wrapper::after {
    content: '📁 Choose Image';
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    pointer-events: none;
    font-size: 0.9rem;
}

.image-preview {
    margin-top: 15px;
    text-align: center;
    display: none;
}

.image-preview img {
    max-width: 150px;
    max-height: 150px;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.upload-progress {
    margin-top: 10px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    display: none;
}

.upload-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #4ade80, #22c55e);
    width: 0%;
    transition: width 0.3s ease;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #1f1f1f, #3a3a3a);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 30px;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 15px 30px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:active {
    transform: translateY(-1px);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.refresh-btn {
    margin-top: 10px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.refresh-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.loading-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}