:root {
    --primary-bg: #f8f9fd;
    --secondary-bg: #ffffff;
    --text-color: #1a1f36;
    --card-bg: #ffffff;
    --card-shadow: 0 8px 24px rgba(0,0,0,0.08);
    --button-bg: #569651;  /* Standardized to green */
    --button-hover: #0b3d0b;
    --button-text: #ffffff;
    --accent-color: #569651;  /* Changed to match button-bg */
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --disabled-bg: #d1d5db;
    --disabled-text: #6b7280;
}

.dark-mode {
    --primary-bg: #000000;
    --secondary-bg: #212429;
    --text-color: #f1f5f9;
    --card-bg: #212429;
    --card-shadow: 0 8px 24px rgba(0,0,0,0.2);
    --button-bg: #0b7207;
    --button-hover: #0b3d0b;
    --button-text: #ffffff;
    --border-color: #334155;
    --disabled-bg: #4b5563;
    --disabled-text: #9ca3af;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Google Sans', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    background-color: var(--primary-bg);
    color: var(--text-color);
    transition: all 0.3s ease;
}

header {
    background-color: var(--secondary-bg);
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: var(--text-color);
}

.dark-mode .sun { display: none; }
.light-mode .moon { display: none; }

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.model-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
/* Existing CSS */

/* Styles for the model dropdown */
#modelSelect {
    width: 100%;
    max-width: 300px;
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    color: var(--text-color);
    background-color: var(--secondary-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    appearance: none; /* Remove default arrow */
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 1.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23569651'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-position: right 1rem center;
    background-repeat: no-repeat;
    background-size: 1rem;
    padding-right: 2.5rem;
}

#modelSelect:focus {
    outline: none;
    border-color: var(--button-bg);
    box-shadow: 0 0 0 3px rgba(86, 150, 81, 0.2); /* Slight green glow */
}

#modelSelect:hover {
    border-color: var(--accent-color); /* Lighter green on hover */
}

#modelSelect option {
    background-color: var(--secondary-bg);
    color: var(--text-color);
}

#webcam-container {
    display: flex;
    justify-content: center; /* Center horizontally */
    align-items: center; /* Center vertically (optional, if you want to center vertically too) */
    width: 100%; /* Make the container take the full width */
    margin: 1.15rem auto; /* Add some margin for spacing */
    background-color: var(--secondary-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1rem;
    min-height: 200px;
}

#webcam-container canvas {
    border-radius: 8px;
    max-width: 100%;
}

.label-container {
    font-size: 1.1rem;
    margin: 1rem 0;
}

/* Standardized button styles */
.button {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.button:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.button.danger {
    background-color: var(--error-color);
}

.button.danger:hover {
    background-color: #794d4d;
}

.button:disabled {
    background-color: var(--disabled-bg);
    color: var(--disabled-text);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Apply consistent button styling to specific buttons */
.start-button {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.start-button:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.start-button.danger {
    background-color: var(--error-color);
}

.start-button.danger:hover {
    background-color: #dc2626;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, #0b3d0b, #a8e6a3); /* dark forest green to light green */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientFlow 8s ease infinite;
    margin-bottom: 1rem;
    
}

.input-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.webcam-section, .upload-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.file-upload-container {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--secondary-bg);
}

.file-upload-container:hover {
    border-color: #569651;
    transform: translateY(-2px);
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-label {
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 500;
    display: block;
    margin-bottom: 0.5rem;
}

.image-preview {
    max-width: 400px;
    max-height: 400px;
    margin: 1rem auto;
    background-color: var(--secondary-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
    position: relative;
}

.image-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
    transition: all 0.5s ease;
}

.image-preview.processed img {
    animation: processComplete 1s ease;
}

@keyframes processComplete {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.upload-success {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(16, 185, 129, 0.9);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-preview.processed .upload-success {
    animation: fadeInOut 2s ease;
}

@keyframes fadeInOut {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

.prediction-item {
    background-color: var(--secondary-bg);
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transform: translateX(0);
}

.prediction-item:hover {
    transform: translateX(4px);
    border-color: var(--accent-color);
}

.prediction-item.top-prediction {
    background: linear-gradient(90deg, var(--button-bg), var(--button-hover));
    color: white;
    transform: scale(1.02);
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.prediction-item.top-prediction:hover {
    transform: scale(1.03) translateX(4px);
}

.prediction-item.top-prediction .percentage {
    font-weight: bold;
}

.dark-mode .prediction-item {
    background-color: var(--secondary-bg);
    color: var(--text-color);
}

.dark-mode .file-upload-container {
    border-color: var(--button-bg);
}

.dark-mode .file-upload-container:hover {
    border-color: var(--button-hover);
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Loading states */
.loading {
    position: relative;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 1.25rem;
    }
    
    .input-methods {
        grid-template-columns: 1fr;
    }
}
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.fertilizer-btn, .pesticide-btn {
    background-color: var(--button-bg);
    color: var(--button-text);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.fertilizer-btn:hover, .pesticide-btn:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Consistent form styling */
.styled-input {
    width: 100%;
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    color: var(--text-color);
    background-color: var(--secondary-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.styled-input:focus {
    outline: none;
    border-color: var(--button-bg);
    box-shadow: 0 0 0 3px rgba(86, 150, 81, 0.2);
}

.styled-input:hover {
    border-color: var(--accent-color);
}

/* Modal/Popup styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    width: 90%;
    max-width: 500px;
    position: relative;
    transform: translateY(-20px);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.25rem;
}

.modal-close {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    font-size: 1.5rem;
    padding: 0;
    line-height: 1;
    transition: all 0.2s ease;
}

.modal-close:hover {
    color: var(--error-color);
    transform: scale(1.1);
}

.modal-body {
    margin-bottom: 1.5rem;
}

.modal-body label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.amount-info {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    color: var(--accent-color);
}

.input-error {
    border-color: var(--error-color) !important;
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

/* Additional modal styling for different types */
.modal.info {
    border-left: 5px solid var(--accent-color);
}

.modal.success {
    border-left: 5px solid var(--success-color);
}

.modal.warning {
    border-left: 5px solid #f59e0b;
}

.modal.error {
    border-left: 5px solid var(--error-color);
}

.modal-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 12px;
}

.modal-icon.info {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--accent-color);
}

.modal-icon.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.modal-icon.warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.modal-icon.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.modal-title-container {
    display: flex;
    align-items: center;
}

.modal-message {
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Message-only modal (without input) */
.modal-body.message-only {
    margin-top: 0.5rem;
}