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

:root {
    --primary-color: #007bff;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ff9800;
    --secondary-color: #6c757d;
    --light-bg: #f8f9fa;
    --dark-text: #212529;
    --border-color: #dee2e6;
    --btn-editar-stock: #764ba2;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}

/* ========================================
   HEADER
   ======================================== */

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-size: 2rem;
    font-weight: 600;
}

/* ========================================
   NAVEGAÇÃO POR ABAS
   ======================================== */

.tabs {
    display: flex;
    background: #f8f9fa;
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    min-width: 150px;
    padding: 15px 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--secondary-color);
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    background: rgba(0, 123, 255, 0.1);
}

.tab-btn.active {
    color: var(--primary-color);
    background: white;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 5px;
}

.badge-success {
    background: var(--success-color);
    color: white;
}

.badge-warning {
    background: var(--warning-color);
    color: white;
}

.badge-danger {
    background: var(--danger-color);
    color: white;
}

/* Badge de notificação na aba */
.tab-btn .badge {
    background: #dc3545;
    color: white;
    min-width: 20px;
    height: 20px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-left: 8px;
    box-shadow: 0 2px 6px rgba(220, 53, 69, 0.4);
    animation: pulse 2s infinite;
}

.tab-btn .badge:empty {
    display: none;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 2px 6px rgba(220, 53, 69, 0.4);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 3px 8px rgba(220, 53, 69, 0.6);
    }
}

/* ========================================
   CONTEÚDO DAS ABAS
   ======================================== */

.tab-content {
    display: none;
    padding: 30px;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.section-header h2 {
    color: var(--dark-text);
    font-size: 1.5rem;
}

/* ========================================
   FILTROS
   ======================================== */

.filter-section {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.filter-section input,
.filter-section select {
    flex: 1;
    min-width: 200px;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.filter-section button {
    flex-shrink: 0;
}

/* ========================================
   CARDS DE ESTOQUE
   ======================================== */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.regioes-summary {
    margin-top: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fafafa;
}

/* Headers das colunas */
.regioes-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 0;
    font-weight: 700;
    color: white;
    border-bottom: 2px solid #5568db;
}

.regiao-col-header {
    padding: 12px 10px;
    text-align: center;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Linhas de dados */
.regiao-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 0;
    border-bottom: 1px solid #e8e8e8;
    transition: all 0.2s;
}

.regiao-row:hover {
    background: #f5f5f5;
}

.regiao-row:last-child {
    border-bottom: none;
}

/* Estados de cor para restante */
.regiao-row.success {
    background: #f0fdf4;
}

.regiao-row.success:hover {
    background: #e8fcf0;
}

.regiao-row.warning {
    background: #fffbeb;
}

.regiao-row.warning:hover {
    background: #fef9e7;
}

.regiao-row.danger {
    background: #fef2f2;
}

.regiao-row.danger:hover {
    background: #fde8e8;
}

/* Colunas individuais */
.regiao-col {
    padding: 5px 5px;
    text-align: center;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.regiao-col.regiao-nome {
    text-align: left;
    font-weight: 600;
    color: #2c3e50;
}

.regiao-col.regiao-inicial {
    color: #28a745;
    font-weight: 600;
}

.regiao-col.regiao-gasto {
    color: #dc3545;
    font-weight: 600;
}

.regiao-col.regiao-restante {
    font-weight: 700;
    color: #667eea;
}

.regiao-row.warning .regiao-col.regiao-restante {
    color: #ff9800;
}

.regiao-row.danger .regiao-col.regiao-restante {
    color: #dc3545;
}

/* Responsivo para telas pequenas */
@media (max-width: 768px) {
    .regioes-header,
    .regiao-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .regiao-col-header:nth-child(n+3),
    .regiao-col:nth-child(n+3) {
        display: none;
    }
    
    .regiao-col-header:nth-child(1),
    .regiao-col.regiao-nome {
        grid-column: 1;
    }
    
    .regiao-col-header:nth-child(4),
    .regiao-col.regiao-restante {
        grid-column: 2;
    }
    
    .regiao-col {
        padding: 9px 8px;
        font-size: 0.85rem;
    }
    
    .regiao-col-header {
        padding: 10px 8px;
        font-size: 0.8rem;
    }
}

.regiao-qty {
    display: inline-block;
    background: #f0f0f0;
    padding: 2px 6px;
    margin: 2px;
    border-radius: 4px;
    font-size: 0.8em;
}

.quantities-summary {
    margin-top: 8px;
    font-size: 0.9em;
}

.qty-inicial {
    color: #28a745;
    font-weight: bold;
}

.qty-gasto {
    color: #dc3545;
    font-weight: bold;
    margin-left: 10px;
}

.regiao-inputs {
    display: flex;
    gap: 10px;
    align-items: center;
}

.regiao-inputs input {
    flex: 1;
}

.item-os {
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    background: #f9f9f9;
}

.regioes-os {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.os-preview {
    background: white;
    padding: 40px;
    max-height: 70vh;
    overflow-y: auto;
}

.os-document {
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    font-size: 11px;
    line-height: 1.4;
}

.os-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    position: relative;
    gap: 15px;
}

.os-logo-img {
    width: 80px;
    height: auto;
    flex-shrink: 0;
}

.os-title {
    flex-grow: 1;
    text-align: center;
}

.os-title h2 {
    margin: 3px 0;
    font-size: 14px;
    font-weight: bold;
}

.os-title h3 {
    margin: 2px 0;
    font-size: 11px;
    font-weight: normal;
}

.os-info-box {
    position: absolute;
    top: 0;
    right: 0;
    border: 2px solid #000;
    padding: 6px 10px;
    text-align: center;
    font-size: 9px;
    line-height: 1.3;
    min-width: 100px;
}

.os-info-box div {
    margin: 1px 0;
}

.os-section {
    margin: 10px 0;
    font-size: 10px;
}

.os-section > div {
    margin: 3px 0;
}

.os-justificativa {
    margin-top: 5px;
    padding: 8px;
    text-align: justify;
    line-height: 1.5;
    white-space: pre-line;
    font-size: 10px;
    border: 1px solid #ddd;
    background-color: #f9f9f9;
    min-height: 60px;
}

.os-table {
    width: 100%;
    border-collapse: collapse;
    margin: 5px 0;
    font-size: 10px;
}

.os-table td {
    padding: 4px 6px;
    border: 1px solid #000;
}

.os-table td strong {
    font-weight: bold;
}

.os-items-table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: 9px;
}

.os-items-table th,
.os-items-table td {
    border: 1px solid #000;
    padding: 4px 6px;
    text-align: center;
}

.os-items-table thead {
    background-color: #e0e0e0;
    font-weight: bold;
}

.os-items-table thead th {
    font-size: 9px;
    padding: 5px 4px;
}

.os-items-table tfoot {
    background-color: #f0f0f0;
    font-weight: bold;
}

.os-footer {
    margin-top: 30px;
    font-size: 10px;
}

.os-signatures {
    display: flex;
    justify-content: space-around;
    margin-top: 50px;
}

.signature-box {
    text-align: center;
    width: 250px;
}

.signature-line {
    border-bottom: 1px solid #000;
    margin-bottom: 3px;
    height: 35px;
}

.signature-box p {
    margin: 2px 0;
    font-size: 10px;
}

.modal-large {
    max-width: 678px;
}

.os-preview {
    max-height: 75vh;
    overflow-y: auto;
    padding: 10px;
}

.item-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    transition: all 0.3s ease;
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.item-categoria {
    font-size: 0.85rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.item-body h3 {
    color: var(--dark-text);
    font-size: 1.1rem;
    margin-bottom: 10px;
    min-height: 50px;
}

.item-footer {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.item-footer button {
    flex: 1;
}

/* ========================================
   FORMULÁRIOS
   ======================================== */

.form-card {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 10px;
    max-width: 800px;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
}

#os-justificativa {
    font-size: 0.85rem;
    line-height: 1.4;
}

.form-row {
    display: flex;
    gap: 15px;
    align-items: flex-end;
}

.flex-2 {
    flex: 2;
}

.form-group-btn {
    display: flex;
    align-items: flex-end;
}

/* ========================================
   ITENS DE REQUISIÇÃO
   ======================================== */

.item-requisicao {
    background: white;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

.estoque-info {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
}

/* ========================================
   CARDS DE REQUISIÇÃO
   ======================================== */

.requisicao-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.requisicao-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.req-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.req-body p {
    margin: 8px 0;
    color: var(--dark-text);
}

.req-footer {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* ========================================
   HISTÓRICO
   ======================================== */

.historico-lista {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.historico-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    transition: all 0.3s ease;
}

.historico-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.historico-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.historico-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 15px;
}

.historico-info p {
    margin: 8px 0;
    color: var(--dark-text);
}

.historico-footer {
    display: flex;
    justify-content: flex-end;
}

/* ========================================
   MODAIS
   ======================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

/* Quando o modal está aberto */
.modal[style*="display: flex"] {
    display: flex !important;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
}

.modal-large {
    max-width: 720px;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--secondary-color);
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: var(--danger-color);
}

/* ========================================
   DETALHES DA REQUISIÇÃO
   ======================================== */

.detalhes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.detalhe-item {
    padding: 10px;
    background: var(--light-bg);
    border-radius: 8px;
}

.detalhe-item strong {
    display: block;
    margin-bottom: 5px;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.detalhe-item-full {
    grid-column: 1 / -1;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
    margin: 15px 0;
}

.alert-danger {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

/* ========================================
   TABELA
   ======================================== */

.table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.table thead {
    background: var(--light-bg);
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--dark-text);
}

/* ========================================
   MENSAGENS
   ======================================== */

.empty-message {
    text-align: center;
    color: var(--light-bg);
    padding: 40px;
    font-size: 1.1rem;
}

.error-message {
    text-align: center;
    color: var(--danger-color);
    padding: 40px;
    font-size: 1.1rem;
    background: #fff5f5;
    border-radius: 8px;
    border: 1px solid var(--danger-color);
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        border-radius: 10px;
    }

    header {
        padding: 20px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .tab-content {
        padding: 20px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
    }

    .filter-section {
        flex-direction: column;
    }

    .filter-section input,
    .filter-section select {
        width: 100%;
    }

    .req-footer,
    .item-footer {
        flex-direction: column;
    }

    .historico-body {
        grid-template-columns: 1fr;
    }

    .detalhes-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
        padding: 20px;
    }
}

/* ========================================
   SCROLLBAR CUSTOMIZADA
   ======================================== */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #495057;
}

/* ========================================
   KITS
   ======================================== */

.kit-card {
    border-left: 4px solid #ff6b6b;
}

.kit-card:hover {
    border-left-color: #ee5a52;
}

.kit-descricao {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-top: 8px;
    line-height: 1.4;
}

.kit-descricao-detalhes {
    background: var(--light-bg);
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    color: var(--dark-text);
    line-height: 1.6;
}

.kit-selector {
    background: #fff3cd;
    border: 2px dashed #ffc107;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.kit-selector label {
    display: block;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 10px;
}

.kit-selector .form-row {
    margin-bottom: 0;
}

/* ========================================
   MELHORIAS DE RESPONSIVIDADE
   ======================================== */

/* ========================================
   MOBILE MENU HAMBURGER
   ======================================== */

.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Esconder botão hamburger quando sidebar estiver aberto */
.mobile-menu-toggle.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.hamburger-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 45px;
    height: 45px;
    transition: all 0.3s ease;
}

.hamburger-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.hamburger-btn span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 10px;
    transition: all 0.3s ease;
    margin: 2px auto;
}

.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.sidebar-mobile {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    z-index: 1000;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    overflow-y: auto;
}

.sidebar-mobile.active {
    left: 0;
}

.sidebar-mobile-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-mobile-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

.close-sidebar {
    background: transparent;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.close-sidebar:hover {
    background: rgba(255,255,255,0.2);
}

.sidebar-tabs {
    padding: 10px 0;
}

.sidebar-tab-btn {
    width: 100%;
    padding: 15px 20px;
    border: none;
    background: transparent;
    text-align: left;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    color: var(--dark-text);
}

.sidebar-tab-btn:hover {
    background: var(--light-bg);
    border-left-color: var(--primary-color);
}

.sidebar-tab-btn.active {
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.1) 0%, transparent 100%);
    border-left-color: #667eea;
    color: #667eea;
    font-weight: 600;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    display: none;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
}

/* ========================================
   BOTÕES PADRONIZADOS
   ======================================== */

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    min-width: 120px;
}

.btn-small{
    padding: 6px 12px;
    font-size: 0.875rem;
    min-width: 80px;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5568d3 0%, #63408a 100%);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #218838 0%, #1aa179 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
    color: #212529;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e0a800 0%, #e68900 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
    color: white;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #5a6268 0%, #545b62 100%);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
    min-width: 80px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.125rem;
    min-width: 160px;
}

/* ========================================
   LOADING OVERLAY
   ======================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-overlay p {
    color: white;
    margin-top: 20px;
    font-size: 1.1rem;
}

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */

.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 10000;
    opacity: 0;
    transform: translateY(100px);
    transition: all 0.3s ease;
    max-width: 350px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success {
    border-left: 5px solid #28a745;
    color: #28a745;
}

.toast-success::before {
    content: '✅';
    font-size: 1.5rem;
}

.toast-error {
    border-left: 5px solid #dc3545;
    color: #dc3545;
}

.toast-error::before {
    content: '❌';
    font-size: 1.5rem;
}

.toast-warning {
    border-left: 5px solid #ffc107;
    color: #856404;
}

.toast-warning::before {
    content: '⚠️';
    font-size: 1.5rem;
}

.toast-info {
    border-left: 5px solid #17a2b8;
    color: #17a2b8;
}

.toast-info::before {
    content: 'ℹ️';
    font-size: 1.5rem;
}

/* ========================================
   TABELAS RESPONSIVAS
   ======================================== */

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 15px 0;
}

.table-responsive table {
    min-width: 600px;
}

/* ========================================
   CORREÇÕES DE LAYOUT
   ======================================== */

/* Centralizar formulários */
.form-container {
    max-width: 1050px;
    margin: 0 auto;
    padding: 20px;
}

/* Container de itens com scroll */
.itens-container {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

/* Lista de itens da OS */
.itens-lista {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

/* Cards de O.S. - Correção de botões */
.os-card {
    position: relative;
    overflow: visible;
    margin-bottom: 20px;
}

.os-card-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 15px;
    background: var(--light-bg);
    border-top: 1px solid var(--border-color);
}

.os-card-footer .btn {
    flex: 1 1 auto;
    min-width: 120px;
}

/* ========================================
   UTILITÁRIOS
   ======================================== */

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-1 {
    margin-bottom: 10px;
}

.mb-2 {
    margin-bottom: 20px;
}

.mb-3 {
    margin-bottom: 30px;
}

.mt-1 {
    margin-top: 10px;
}

.mt-2 {
    margin-top: 20px;
}

.mt-3 {
    margin-top: 30px;
}

.hidden-mobile {
    display: block;
}

.hidden-desktop {
    display: none;
}

/* ========================================
   MEDIA QUERIES - RESPONSIVIDADE
   ======================================== */

/* Desktop Large (>1400px) */
@media (min-width: 1400px) {
    .os-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .container {
        max-width: 1600px;
    }
}

/* Desktop (1024px - 1400px) */
@media (max-width: 1400px) and (min-width: 1024px) {
    .os-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .container {
        max-width: 1200px;
    }
}

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) and (min-width: 768px) {
    body {
        padding: 15px;
    }
    
    .container {
        max-width: 100%;
    }
    
    .os-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .tabs {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .tab-btn {
        flex: 1 1 auto;
        min-width: 150px;
    }
    
    .form-container {
        padding: 15px;
    }
    
    .table-responsive {
        border-radius: 8px;
        border: 1px solid var(--border-color);
    }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
    body {
        padding: 0;
    }
    
    .container {
        border-radius: 0;
        max-width: 100%;
        min-height: 100vh;
    }
    
    header {
        padding: 20px 15px;
        padding-left: 70px; /* Espaço para o botão hamburger */
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    /* Esconder tabs desktop */
    .tabs {
        display: none !important;
    }
    
    /* Mostrar menu hamburger */
    .mobile-menu-toggle {
        display: block !important;
    }
    
    /* Grid de O.S. em 1 coluna */
    .os-container {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    
    /* Formulários */
    .form-container {
        padding: 15px;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-group {
        width: 100% !important;
    }
    
    /* Botões empilhados */
    .os-card-footer {
        flex-direction: column;
    }
    
    .os-card-footer .btn {
        width: 100%;
        min-width: 120px;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-actions .btn {
        width: 100%;
        min-width: 120px;
    }
    
    /* Tabelas com scroll horizontal */
    .table-responsive {
        margin: 10px 0;
        border-radius: 8px;
        border: 1px solid var(--border-color);
    }
    
    table {
        font-size: 0.9rem;
    }
    
    table th,
    table td {
        padding: 8px !important;
    }
    
    /* Ajustes de espaçamento */
    .tab-content {
        padding: 15px;
    }
    
    /* Utilitários mobile */
    .hidden-mobile {
        display: none !important;
    }
    
    .hidden-desktop {
        display: block !important;
    }
}

/* Mobile Small (< 480px) */
@media (max-width: 480px) {
    header h1 {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 0.875rem;
        min-width: 100px;
    }
    
    .btn-sm {
        padding: 6px 10px;
        font-size: 0.8rem;
        min-width: 70px;
    }
    
    .sidebar-mobile {
        width: 85%;
        max-width: 280px;
    }
    
    table {
        font-size: 0.85rem;
    }
    
    table th,
    table td {
        padding: 6px !important;
    }
    
    .os-card {
        margin-bottom: 15px;
    }
    
    .toast {
        right: 15px;
        bottom: 15px;
        max-width: calc(100% - 30px);
        font-size: 0.9rem;
    }
}

/* Orientação Landscape em Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .sidebar-mobile {
        width: 50%;
    }
    
    header {
        padding: 15px;
        padding-left: 70px;
    }
    
    header h1 {
        font-size: 1.3rem;
    }
}

/* Melhorias de acessibilidade */
.user-is-tabbing *:focus {
    outline: 3px solid #667eea !important;
    outline-offset: 2px;
}

/* Smooth scroll global */
html {
    scroll-behavior: smooth;
}

/* Prevenir overflow horizontal */
body, html {
    overflow-x: hidden;
}

/* ========================================
   CORREÇÕES ADICIONAIS DE LAYOUT
   ======================================== */

/* Centralizar seções de conteúdo */
.tab-content {
    max-width: 100%;
    margin: 0 auto;
    padding: 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
}

/* Container de O.S. com grid responsivo */
#lista-ordens-servico {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

/* Cards de O.S. - Evitar overflow */
.item-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.item-body {
    flex: 1;
    overflow: hidden;
}

.item-footer {
    margin-top: auto;
}

/* Formulários - Evitar overflow em itens */
#itens-os {
    width: 100%;
    min-height: 100px;
}

.form-card {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

/* Grid responsivo de itens no formulário */
.item-linha {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 10px;
    background: var(--light-bg);
    border-radius: 8px;
    margin-bottom: 10px;
}

/* Ajustes para telas pequenas */
@media (max-width: 768px) {
    #lista-ordens-servico {
        grid-template-columns: 1fr;
        padding: 10px;
    }
    
    .item-linha {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .item-linha select,
    .item-linha input {
        width: 100%;
    }
}

/* ========================================
   RELATÓRIOS - MELHORADO
   ======================================== */

.relatorios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 25px;
    padding: 20px;
}

.relatorio-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    padding: 28px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid #f0f2f5;
}

.relatorio-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 30px rgba(102, 126, 234, 0.15);
    border-color: #667eea;
}

.relatorio-header h3 {
    color: #667eea;
    font-size: 1.4rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.relatorio-header p {
    color: #7c8db0;
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.relatorio-filtros {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 22px;
    padding: 18px;
    background: linear-gradient(135deg, #f8f9fa 0%, #f0f2f5 100%);
    border-radius: 10px;
    border: 1px solid #e9ecef;
}

.relatorio-filtros .form-group {
    margin-bottom: 0;
}

.relatorio-filtros label {
    font-size: 0.87rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 6px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.relatorio-filtros input,
.relatorio-filtros select {
    width: 100%;
    padding: 10px 13px;
    border: 2px solid #ced4da;
    border-radius: 7px;
    font-size: 0.92rem;
    transition: all 0.3s;
    background: white;
}

.relatorio-filtros input:focus,
.relatorio-filtros select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.12);
    background: #f8f9ff;
}

.relatorio-acoes {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.relatorio-acoes button {
    flex: 1;
    min-width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 22px;
    font-weight: 700;
    border-radius: 8px;
    transition: all 0.3s;
}

.relatorio-resultado {
    margin-top: 28px;
    padding-top: 28px;
    border-top: 3px solid #e9ecef;
    animation: slideDown 0.4s ease-out;
}

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

.relatorio-resultado h4 {
    color: #2c3e50;
    font-size: 1.15rem;
    margin-bottom: 18px;
    font-weight: 700;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 18px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.25);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.35);
}

.stat-card .stat-value {
    font-size: 1.95rem;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.stat-card .stat-label {
    font-size: 0.88rem;
    opacity: 0.95;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.relatorio-tabela {
    overflow-x: auto;
    margin-top: 18px;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    background: white;
}

.relatorio-tabela table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.93rem;
}

.relatorio-tabela th {
    background: linear-gradient(135deg, #667eea 0%, #5568db 100%);
    color: white;
    padding: 15px 14px;
    text-align: left;
    font-weight: 700;
    position: sticky;
    top: 0;
    z-index: 10;
    text-transform: uppercase;
    font-size: 0.87rem;
    letter-spacing: 0.5px;
}

.relatorio-tabela th:first-child {
    border-top-left-radius: 10px;
}

.relatorio-tabela th:last-child {
    border-top-right-radius: 10px;
}

.relatorio-tabela td {
    padding: 13px 14px;
    border-bottom: 1px solid #e9ecef;
    color: #495057;
    transition: background 0.2s;
}

.relatorio-tabela tr {
    transition: all 0.2s;
}

.relatorio-tabela tr:hover {
    background: #f8f9fa;
}

.relatorio-tabela tr:nth-child(even) {
    background: #f8f9fc;
}

.relatorio-tabela tr:nth-child(even):hover {
    background: #f0f2f7;
}

.relatorio-tabela tbody tr:last-child td {
    border-bottom: 2px solid #e9ecef;
}

/* Destaques para valores críticos */
.relatorio-tabela .critical {
    color: #dc3545;
    font-weight: 700;
}

.relatorio-tabela .success {
    color: #28a745;
    font-weight: 700;
}

.relatorio-tabela .warning {
    color: #ffc107;
    font-weight: 700;
}

.relatorio-tabela .info {
    color: #667eea;
    font-weight: 700;
}

/* Badges de status */
.badge-saida {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.78rem;
    font-weight: 700;
    box-shadow: 0 2px 5px rgba(220, 53, 69, 0.2);
}

.badge-entrada {
    background: linear-gradient(135deg, #28a745 0%, #218838 100%);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.78rem;
    font-weight: 700;
    box-shadow: 0 2px 5px rgba(40, 167, 69, 0.2);
}

.ranking-position {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #5568db 100%);
    color: white;
    font-weight: 800;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.ranking-position.top-1 {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #333;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.ranking-position.top-2 {
    background: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 100%);
    color: #333;
    box-shadow: 0 2px 8px rgba(192, 192, 192, 0.3);
}

.ranking-position.top-3 {
    background: linear-gradient(135deg, #cd7f32 0%, #d9956e 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(205, 127, 50, 0.3);
}

@media (max-width: 768px) {
    .relatorios-grid {
        grid-template-columns: 1fr;
    }
    
    .relatorio-filtros {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .relatorio-acoes {
        flex-direction: column;
    }
    
    .relatorio-acoes button {
        width: 100%;
    }
}

/* Print-friendly styles para relatórios */
@media print {
    .relatorio-filtros,
    .relatorio-acoes,
    .relatorio-header {
        display: none !important;
    }
    
    .relatorio-card {
        break-inside: avoid;
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .relatorio-tabela {
        overflow-x: visible;
        page-break-inside: avoid;
    }
    
    .relatorio-tabela table {
        font-size: 0.85rem;
    }
    
    .relatorio-tabela tr {
        page-break-inside: avoid;
    }
    
    .stats-grid {
        margin-bottom: 0;
        page-break-inside: avoid;
    }
}

/* ========================================
   ALERTAS DE ESTOQUE (O.S.)
   ======================================== */

.estoque-info-os {
    display: none; /* Oculto por padrão, aparece quando tem conteúdo */
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    line-height: 1.5;
    animation: slideDown 0.3s ease-out;
}

.estoque-info-os:not(:empty) {
    display: block; /* Mostra quando tem conteúdo */
}

.estoque-info-os strong {
    display: block;
    margin-bottom: 4px;
}

.estoque-info-os span {
    font-size: 0.8rem;
}

/* Cores dos alertas já são aplicadas inline via JavaScript para melhor controle */

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

/* ========================================
   Forms de emissão das O.S.s
   ======================================== */

/* Ajuste no layout dos itens da O.S. para acomodar os alertas */

#os-evento{
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 580px;
}

/* Campo Data do Evento */
#os-data-evento {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 280px;
}

#os-responsavel{
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 360px;
}

.item-os {
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.item-os .form-row {
    margin-bottom: 8px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
    flex-wrap: nowrap;
}

/* Container para cada campo com label */
.item-os .form-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

/* Tamanhos específicos para cada tipo de campo */
.item-os .form-field:nth-child(1) {
    /* Categoria */
    flex: 0 1 150px;
    min-width: 240px;
}

.item-os .form-field:nth-child(2) {
    /* Item */
    flex: 2;
    min-width: 240px;
}

.item-os .form-field:nth-child(3) {
    /* Diárias */
    flex: 0 1 70px;
    min-width: 60px;
}

.item-os .form-field:nth-child(4) {
    /* Quantidade */
    flex: 0 1 80px;
    min-width: 70px;
}

/* Labels discretos acima dos campos */
.item-os .field-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
    padding: 0 2px;
}

/* Inputs e selects dentro de item-os */
.item-os input,
.item-os select {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background-color: white;
    transition: border-color 0.3s ease;
    min-width: 0;
    width: 100%;
}

.item-os input:focus,
.item-os select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Estilos antigos removidos - agora controlados por .form-field */

/* ========================================
   VALIDAÇÃO DE ESTOQUE EM TEMPO REAL
   ======================================== */

.estoque-info-os {
    padding: 12px;
    margin-top: 8px;
    border-radius: 5px;
    font-size: 0.9rem;
    animation: fadeIn 0.3s ease-in;
}

.estoque-info-os.verde {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.estoque-info-os.amarelo {
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
}

.estoque-info-os.vermelho {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

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