/* Reset e Variáveis */
:root {
    /* Cores */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #6b7280;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Tema claro */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-card: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: #e5e7eb;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --bg-card: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --border: #374151;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
}

/* Layout Principal */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo i {
    font-size: 2rem;
    color: var(--primary);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.beta-badge {
    background: var(--warning);
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-weight: 600;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-width: 300px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 0.5rem;
    min-width: 200px;
}

.status-dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--secondary);
}

.status-dot.connected {
    background: var(--success);
    animation: pulse 2s infinite;
}

.status-dot.connecting {
    background: var(--warning);
    animation: pulse 1.5s infinite;
}

.status-dot.error {
    background: var(--danger);
}

.connection-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Main Content */
.app-main {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
    width: 100%;
}

/* Status Panel */
.status-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stat-card.highlight {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: white;
}

.stat-card.highlight .stat-value,
.stat-card.highlight .stat-label {
    color: white;
}

.stat-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--bg-tertiary);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.stat-card.highlight .stat-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Filters */
.filters-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.filter-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.filter-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0 1.5rem;
}

.section-header h2,
.section-header h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.badge {
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-weight: 600;
}

.section-actions {
    display: flex;
    gap: 1rem;
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.btn-text:hover {
    background: var(--bg-tertiary);
}

/* Groups Container */
.groups-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    min-height: 200px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 1rem;
}

/* Group Item */
.group-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.group-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.group-item.selected {
    border-color: var(--success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), transparent);
}

.group-item.printed {
    opacity: 0.7;
}

.group-item.printed::after {
    content: "✓ IMPRESSO";
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--success);
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-weight: 600;
}

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.group-title {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.group-count {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-weight: 600;
}

.group-details {
    margin-bottom: 1.5rem;
}

.group-sku {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.group-product {
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.group-actions {
    display: flex;
    gap: 0.75rem;
}

.group-actions .btn-action {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.group-actions .btn-action:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.group-actions .btn-action.primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.group-actions .btn-action.primary:hover {
    background: var(--primary-dark);
}

/* Print Controls */
.print-controls {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.selection-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.selection-icon {
    width: 3rem;
    height: 3rem;
    background: var(--bg-tertiary);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.selection-details {
    flex: 1;
}

.selection-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.selection-summary {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.print-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-end;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-badge {
    background: white;
    color: var(--primary);
    font-size: 0.875rem;
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
    font-weight: 700;
}

.print-options {
    font-size: 0.875rem;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.checkbox input {
    width: 1rem;
    height: 1rem;
}

/* History */
.history-list {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    overflow: hidden;
    max-height: 300px;
    overflow-y: auto;
}

.history-empty {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-muted);
}

.history-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.history-item {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.history-item:hover {
    background: var(--bg-tertiary);
}

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

.history-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.history-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
}

.history-details {
    flex: 1;
}

.history-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.history-time {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.history-status {
    color: var(--success);
}

/* Footer */
.app-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: 1.5rem 0;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.footer-links a:hover {
    color: var(--primary);
}

.separator {
    margin: 0 0.5rem;
    opacity: 0.5;
}

/* Connection Warning */
.connection-warning {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 1rem;
    z-index: 1000;
    animation: slideDown 0.5s ease-out;
}

.warning-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.warning-icon {
    font-size: 2rem;
}

.warning-text {
    flex: 1;
}

.warning-text h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.warning-text p {
    opacity: 0.9;
    font-size: 0.875rem;
}

.warning-actions {
    display: flex;
    gap: 0.75rem;
}

.btn-warning {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.btn-warning:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 1rem;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.3s ease-out;
}

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

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    border-radius: 0.25rem;
}

.btn-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.modal-body {
    padding: 1.5rem;
}

.setting-group {
    margin-bottom: 2rem;
}

.setting-group:last-child {
    margin-bottom: 0;
}

.setting-group h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--border);
}

/* Help Steps */
.help-step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.help-step:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.step-number {
    width: 2rem;
    height: 2rem;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .connection-status {
        justify-content: space-between;
    }
    
    .status-panel {
        grid-template-columns: 1fr 1fr;
    }
    
    .filters-panel {
        grid-template-columns: 1fr;
    }
    
    .groups-container {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .section-actions {
        justify-content: center;
    }
    
    .print-controls {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .selection-info {
        justify-content: center;
    }
    
    .print-actions {
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .warning-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .warning-actions {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .status-panel {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        padding: 0 1rem;
    }
    
    .app-main {
        padding: 1rem;
    }
}

/* Adicione ao final do style.css */

/* Connection Guide */
.connection-guide {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 30px;
    margin: 20px 0;
    color: white;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Status animations */
.status-dot.connected {
    animation: pulse 2s infinite;
}

.status-dot.connecting {
    animation: pulse 1s infinite;
    background: #f59e0b;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Toast animations */
@keyframes toastIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}