/**
 * SISTEMA DE PRECIFICAÇÃO PARA RESINEIROS
 * CSS Moderno e Responsivo - Mobile First
 * Inspirado em design de dashboard profissional
 */

/* ============================================
   RESET E VARIÁVEIS
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais (baseado no dashboard) */
    --primary-color: #4FD1C5;
    --primary-dark: #38B2AC;
    --primary-light: #81E6D9;
    
    /* Cores secundárias */
    --secondary-color: #667EEA;
    --accent-color: #F6AD55;
    
    /* Cores de status */
    --color-success: #48BB78;
    --color-warning: #ECC94B;
    --color-danger: #F56565;
    --color-info: #4299E1;
    
    /* Cores de preço */
    --price-cost: #FC8181; /* Vermelho claro */
    --price-minimum: #F6AD55; /* Amarelo/Laranja */
    --price-sale: #68D391; /* Verde claro */
    
    /* Tons de cinza */
    --gray-50: #F7FAFC;
    --gray-100: #EDF2F7;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E0;
    --gray-400: #A0AEC0;
    --gray-500: #718096;
    --gray-600: #4A5568;
    --gray-700: #2D3748;
    --gray-800: #1A202C;
    --gray-900: #171923;
    
    /* Background */
    --bg-main: #F7FAFC;
    --bg-sidebar: #FFFFFF;
    --bg-card: #FFFFFF;
    
    /* Texto */
    --text-primary: #2D3748;
    --text-secondary: #718096;
    --text-light: #A0AEC0;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Bordas */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: 2rem; margin-bottom: var(--spacing-lg); }
h2 { font-size: 1.5rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.25rem; margin-bottom: var(--spacing-md); }
h4 { font-size: 1.125rem; margin-bottom: var(--spacing-sm); }

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.container {
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--bg-sidebar);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform var(--transition-base);
}

.sidebar.closed {
    transform: translateX(-100%);
}

.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    font-weight: bold;
}

.logo-text h2 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--gray-800);
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Menu de navegação */
.sidebar-menu {
    flex: 1;
    padding: var(--spacing-lg) 0;
    display: flex;
    flex-direction: column;
}

.menu-section {
    margin-bottom: var(--spacing-xl);
}

.menu-label {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
}

.menu-item.active {
    background-color: rgba(79, 209, 197, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 600;
}

.menu-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.menu-item-sair {
    background-color: var(--gray-100);
    color: var(--gray-600);
    font-weight: 500;
}

.menu-item-sair:hover {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

/* Conteúdo principal */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: var(--spacing-xl);
    transition: margin-left var(--transition-base);
}

.main-content.expanded {
    margin-left: 0;
}

/* Header da página */
.page-header {
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.page-title h1 {
    margin: 0;
    font-size: 1.75rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.welcome-emoji {
    font-size: 1.125rem;
}

.page-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Toggle menu mobile */
.menu-toggle {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--gray-200);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.menu-toggle:hover {
    background-color: var(--gray-50);
}

/* ============================================
   CARDS E CONTAINERS
   ============================================ */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    transition: box-shadow var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    margin-bottom: var(--spacing-lg);
}

.card-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* Grid de cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Stats cards (dashboard) */
.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-change {
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.9;
}

.stat-change.positive {
    color: var(--color-success);
}

.stat-change.negative {
    color: var(--color-danger);
}

/* Cards de preço (resultado calculadora) */
.price-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.price-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base);
}

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

.price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.price-card.cost::before {
    background: linear-gradient(90deg, var(--price-cost), #F56565);
}

.price-card.minimum::before {
    background: linear-gradient(90deg, var(--price-minimum), #DD6B20);
}

.price-card.sale::before {
    background: linear-gradient(90deg, var(--price-sale), var(--color-success));
}

.price-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.price-card.cost .price-label {
    color: var(--price-cost);
}

.price-card.minimum .price-label {
    color: var(--price-minimum);
}

.price-card.sale .price-label {
    color: var(--price-sale);
}

.price-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.price-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ============================================
   FORMULÁRIOS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background-color: var(--bg-card);
    transition: all var(--transition-fast);
    /* Mobile First: tamanho mínimo para touch */
    min-height: 48px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
}

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

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Input group (label + ícone) */
.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.input-group .form-input {
    padding-left: 2.75rem;
}

/* Grid de inputs */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* Checkbox e Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.form-check:hover {
    background-color: var(--gray-100);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-check-label {
    flex: 1;
    cursor: pointer;
    font-size: 0.9375rem;
}

/* ============================================
   BOTÕES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    text-align: center;
    /* Mobile First: botões grandes para touch */
    min-height: 48px;
    min-width: 100px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Botão primário */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Botão secundário */
.btn-secondary {
    background-color: var(--gray-100);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-200);
}

/* Botão de sucesso */
.btn-success {
    background: linear-gradient(135deg, var(--color-success), #38A169);
    color: white;
    box-shadow: var(--shadow-md);
}

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

/* Botão de perigo */
.btn-danger {
    background-color: var(--color-danger);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background-color: #E53E3E;
}

/* Botão outline */
.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
}

/* Tamanhos de botões */
.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    min-height: 36px;
    min-width: 80px;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
    min-height: 56px;
}

/* Botão full width */
.btn-block {
    width: 100%;
}

/* ============================================
   TABELAS
   ============================================ */
.table-container {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table th {
    background-color: var(--gray-50);
    color: var(--text-primary);
    font-weight: 600;
    text-align: left;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    color: var(--text-primary);
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

/* Ações da tabela */
.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon {
    width: 36px;
    height: 36px;
    min-width: unset;
    min-height: unset;
    padding: 0;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   BADGES E TAGS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background-color: rgba(72, 187, 120, 0.1);
    color: var(--color-success);
}

.badge-warning {
    background-color: rgba(246, 173, 85, 0.1);
    color: var(--accent-color);
}

.badge-danger {
    background-color: rgba(245, 101, 101, 0.1);
    color: var(--color-danger);
}

.badge-info {
    background-color: rgba(66, 153, 225, 0.1);
    color: var(--color-info);
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-success {
    background-color: rgba(72, 187, 120, 0.1);
    border-left: 4px solid var(--color-success);
    color: #22543D;
}

.alert-warning {
    background-color: rgba(236, 201, 75, 0.1);
    border-left: 4px solid var(--color-warning);
    color: #744210;
}

.alert-danger {
    background-color: rgba(245, 101, 101, 0.1);
    border-left: 4px solid var(--color-danger);
    color: #742A2A;
}

.alert-info {
    background-color: rgba(66, 153, 225, 0.1);
    border-left: 4px solid var(--color-info);
    color: #2C5282;
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }

.text-muted { color: var(--text-secondary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-2xl);
}

/* ============================================
   RESPONSIVIDADE - MOBILE FIRST
   ============================================ */

/* Tablets e menores */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .price-cards {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 0;
        margin: 0 1rem;
    }
    
    .table-container {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Smartphones */
@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.125rem; }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .price-value {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .page-actions {
        width: 100%;
        flex-direction: column;
    }
}

/* Desktop grande */
@media (min-width: 1200px) {
    .main-content {
        max-width: 1700px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 280px;
    }
}

/* ============================================
   IMPRESSÃO
   ============================================ */
@media print {
    .sidebar,
    .menu-toggle,
    .page-actions,
    .btn,
    .card-footer {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
        page-break-inside: avoid;
    }
}