:root {
    --primary-color: #2e7d32;
    --secondary-color: #1b5e20;
    --accent-color: #ffd54f;
    --text-color: #333;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background-color: #1a1a1a; /* Fallback */
}

/* Background with overlay */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../wheat-image-new.jpg') no-repeat center center/cover;
    z-index: -1;
}

.background-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(20, 50, 20, 0.6) 100%);
    backdrop-filter: blur(5px);
}

/* Glassmorphism Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    width: 100%;
    max-width: 500px;
    transition: transform 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
}

/* Logo */
.logo-img {
    width: 80px;
    height: auto;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
}

.upload-zone:hover, .upload-zone.drag-over {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
}

/* Buttons */
.btn-gradient {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-gradient:hover {
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    color: white;
}

.btn-gradient:disabled {
    background: #555;
    cursor: not-allowed;
    transform: none;
}

/* Result Page */
.result-image-container {
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
}

.result-img {
    max-height: 300px;
    object-fit: contain;
    width: 100%;
}

.result-badge {
    background: rgba(0, 0, 0, 0.4);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Utilities */
.tracking-wider {
    letter-spacing: 0.1em;
}