/* Farmstream Brand Colors - Exact match from website */
:root {
    --primary-blue: #29A8D3;
    --dark-navy: #0E1B4D;
    --primary-green: #3d5a29;
    --secondary-green: #5c7a3f;
    --light-green: #8fb36c;
    --accent-green: #a8c78a;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --text-dark: #0E1B4D;
    --text-light: #6c757d;
    --border-color: #e0e0e0;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #29A8D3;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-light) 0%, #e8f0e3 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

.spinner-dark {
    border: 2px solid rgba(41, 168, 211, 0.3);
    border-top-color: var(--primary-blue);
}

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

.sim-loading {
    text-align: center;
    padding: 30px;
    color: var(--text-light);
}

.sim-loading .spinner {
    width: 40px;
    height: 40px;
    border-width: 4px;
    display: block;
    margin: 0 auto 16px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1e8db0 100%);
    color: white;
    padding: 30px 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 12px rgba(41, 168, 211, 0.3);
}

.header-content {
    text-align: center;
}

.logo-section {
    margin-bottom: 8px;
}

.header-content h1 {
    font-size: 2rem;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* Main Content */
main {
    min-height: 500px;
}

.screen {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Welcome Screen */
.welcome-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.welcome-card h2 {
    color: var(--dark-navy);
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.welcome-card > p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.product-selection h3 {
    color: var(--text-dark);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.product-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.product-btn {
    background: white;
    border: 2px solid var(--border-color);
    padding: 24px 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
}

.product-btn:hover {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(41, 168, 211, 0.2);
}

.product-btn.selected {
    border-color: var(--primary-blue);
    background: var(--primary-blue);
    color: white;
}

.product-image {
    width: 120px;
    height: 120px;
    object-fit: contain;
    margin-bottom: 8px;
}

.product-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-light);
}

.product-btn.selected .product-desc {
    color: white;
}

.product-btn.selected .product-image {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* Form Sections */
.form-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 2px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    color: var(--dark-navy);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

/* Camera Selection */
.camera-selection {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 12px;
}

.camera-option {
    border: 3px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.camera-option:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 16px rgba(41, 168, 211, 0.25);
    transform: translateY(-4px);
}

.camera-option.selected {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.05);
    box-shadow: 0 0 0 4px rgba(41, 168, 211, 0.2);
}

.camera-option img {
    width: 100%;
    height: 140px;
    object-fit: contain;
    margin-bottom: 12px;
}

.camera-name {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
}

/* Connection Selection */
.connection-selection {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 12px;
}

.connection-option {
    border: 3px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.connection-option:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 16px rgba(41, 168, 211, 0.25);
    transform: translateY(-4px);
}

.connection-option.selected {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.05);
    box-shadow: 0 0 0 4px rgba(41, 168, 211, 0.2);
}

.connection-icon {
    font-size: 56px;
    margin-bottom: 12px;
    line-height: 1;
    color: #6c757d;
}

.connection-option.selected .connection-icon {
    color: #29A8D3;
}

.connection-name {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .camera-selection,
    .connection-selection {
        grid-template-columns: 1fr;
    }
    
    .camera-option img {
        height: 120px;
    }
}

/* Help Button & Popup */
.help-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(41, 168, 211, 0.3);
}

.help-button:hover {
    background: var(--dark-navy);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(41, 168, 211, 0.4);
}

.help-button .help-icon {
    font-size: 20px;
    line-height: 1;
}

.help-button .help-text {
    line-height: 1;
}

.help-popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 1000;
}

.help-popup.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.help-popup h4 {
    color: var(--dark-navy);
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.help-popup p {
    margin-bottom: 12px;
    line-height: 1.6;
}

.help-popup ol {
    margin: 16px 0;
    padding-left: 24px;
}

.help-popup ol li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.help-gif {
    width: 100%;
    border-radius: 8px;
    margin: 16px 0;
    border: 2px solid var(--border-color);
}

.close-popup {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 32px;
    color: var(--text-light);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
}

.close-popup:hover {
    color: var(--dark-navy);
}

/* Credential Toggle */
.credential-toggle {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px;
    background: #f5f5f5;
    border-radius: 8px;
}

.toggle-label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-label:has(input:checked) {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.05);
    box-shadow: 0 0 0 3px rgba(41, 168, 211, 0.1);
}

.toggle-label input[type="radio"] {
    margin: 0;
}

.toggle-label span {
    font-weight: 500;
    color: var(--text-color);
}

/* QR Upload Area */
.qr-upload-area {
    border: 3px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafafa;
}

.qr-upload-area:hover {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.02);
}

.qr-upload-area.dragover {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.05);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.upload-prompt p {
    margin: 8px 0;
}

.upload-hint {
    font-size: 0.9rem;
    color: var(--text-light);
}

.upload-preview {
    position: relative;
}

.upload-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    margin-bottom: 12px;
}

.remove-qr {
    padding: 8px 16px;
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.remove-qr:hover {
    background: #c82333;
}

.credential-input-section {
    animation: fadeIn 0.3s ease;
}

/* SIM Lookup Styles */
.sim-lookup-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 12px;
}

.sim-method-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 120px;
}

.sim-method-option:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(41, 168, 211, 0.15);
    transform: translateY(-2px);
}

.sim-method-option.selected {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.05);
    box-shadow: 0 0 0 3px rgba(41, 168, 211, 0.2);
}

.sim-method-option .method-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.sim-method-option .method-name {
    font-weight: 600;
    color: var(--dark-navy);
    text-align: center;
    font-size: 0.95rem;
}

.form-select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(41, 168, 211, 0.1);
}

.input-with-button {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.input-with-button input {
    flex: 1;
}

.lookup-btn {
    padding: 12px 24px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.lookup-btn:hover {
    background: var(--dark-navy);
    transform: translateY(-1px);
}

.lookup-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.sim-results-container {
    background: #f8f9fa;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-top: 16px;
}

.sim-results-container h4 {
    color: var(--dark-navy);
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.sim-result-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sim-result-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 2px 8px rgba(41, 168, 211, 0.2);
}

.sim-result-card.selected {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.05);
    box-shadow: 0 0 0 3px rgba(41, 168, 211, 0.2);
}

.sim-result-card .sim-iccid {
    font-weight: 600;
    color: var(--dark-navy);
    font-size: 1rem;
    margin-bottom: 8px;
}

.sim-result-card .sim-details {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-light);
}

.sim-result-card .sim-detail-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.sim-result-card .sim-detail-label {
    font-weight: 500;
    color: var(--text-color);
}

.sim-result-card .status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.sim-result-card .status-badge.active {
    background: #d4edda;
    color: #155724;
}

.sim-result-card .status-badge.inactive {
    background: #f8d7da;
    color: #721c24;
}

.sim-select-btn {
    width: 100%;
    margin-top: 16px;
    padding: 12px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sim-select-btn:hover {
    background: var(--dark-navy);
    transform: translateY(-1px);
}

.sim-result-card.selected .sim-select-btn {
    background: #28a745;
}

.sim-result-card.selected .sim-select-btn:hover {
    background: #218838;
}

.pelion-data {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 12px;
    font-size: 0.9rem;
}

.pelion-item {
    padding: 6px 0;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pelion-item strong {
    color: var(--dark-navy);
    min-width: 120px;
}

.pelion-error {
    font-style: italic;
    padding: 8px;
}

.sim-loading {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
}

.sim-loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.required {
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--danger);
}

.form-hint {
    display: block;
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.error-message {
    display: none;
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--danger);
    font-weight: 500;
}

.error-message.show {
    display: block;
}

/* Radio Buttons - Modern Style */
.radio-group {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.radio-label {
    position: relative;
    cursor: pointer;
    user-select: none;
}

.radio-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-label span {
    display: inline-block;
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-weight: 500;
    color: var(--text-dark);
    transition: all 0.2s ease;
    min-width: 100px;
    text-align: center;
}

.radio-label:hover span {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.05);
}

.radio-label input[type="radio"]:checked + span {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: white;
    box-shadow: 0 2px 8px rgba(41, 168, 211, 0.3);
}

.radio-label input[type="radio"]:focus + span {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Mobile responsiveness for radio buttons */
@media (max-width: 768px) {
    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .radio-label span {
        display: block;
        width: 100%;
        padding: 14px 20px;
    }
}

/* Form Section Divider */
.form-section-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    margin: 32px 0;
}

/* Submission Details */
.submission-details {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    margin: 24px 0;
    text-align: left;
}

.submission-details h3 {
    color: var(--dark-navy);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.detail-item {
    margin-bottom: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--text-dark);
    display: inline-block;
    min-width: 180px;
}

.detail-value {
    color: var(--text-light);
}

/* Progress Bar */
.progress-bar {
    background: var(--border-color);
    height: 8px;
    border-radius: 4px;
    margin-bottom: 24px;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, var(--primary-blue), #52c5e8);
    height: 100%;
    width: 0%;
    transition: width 0.4s ease;
}

/* Breadcrumb */
.breadcrumb {
    background: white;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.9rem;
    color: var(--text-light);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

/* Question Card */
.question-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.question-card h2 {
    color: var(--dark-navy);
    font-size: 1.6rem;
    margin-bottom: 16px;
    line-height: 1.4;
}

.question-description {
    color: var(--text-light);
    margin-bottom: 32px;
    font-size: 1rem;
}

.answers-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.answer-btn {
    background: white;
    border: 2px solid var(--border-color);
    padding: 16px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
}

.answer-btn:hover {
    border-color: var(--primary-blue);
    background: rgba(41, 168, 211, 0.1);
    transform: translateX(4px);
}

.answer-btn:active {
    transform: translateX(2px);
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    gap: 12px;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #1e8db0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(41, 168, 211, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

/* Results Screen */
.results-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.results-card h2 {
    margin-bottom: 16px;
    font-size: 1.8rem;
}

.result-success {
    color: var(--success);
}

.result-fault {
    color: var(--danger);
}

.result-info {
    color: var(--info);
}

.result-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
}

.result-description {
    font-size: 1.1rem;
    margin-bottom: 24px;
    line-height: 1.8;
}

.result-actions {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    margin: 24px 0;
}

.result-actions h3 {
    color: var(--dark-navy);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.result-actions ul {
    margin-left: 20px;
}

.result-actions li {
    margin-bottom: 8px;
}

.actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

/* Footer */
footer {
    margin-top: 40px;
    padding: 24px;
    background: white;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.footer-content p {
    margin-bottom: 8px;
    color: var(--text-light);
}

.footer-content a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
}

.footer-content a:hover {
    text-decoration: underline;
}

.hours {
    font-size: 0.9rem;
    margin-top: 12px;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    .header-content h1 {
        font-size: 1.5rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .welcome-card,
    .question-card,
    .results-card {
        padding: 24px;
    }

    .product-buttons {
        grid-template-columns: 1fr;
    }

    .actions,
    .navigation-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--secondary-green);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}