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

:root {
    /* Cores inspiradas no Google Material Design */
    --primary: #4285f4;
    --primary-light: #e8f0fe;
    --secondary: #34a853;
    --accent: #ea4335;
    --warning: #fbbc04;
    
    /* Tons de cinza do Google */
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f4;
    --gray-200: #e8eaed;
    --gray-300: #dadce0;
    --gray-400: #bdc1c6;
    --gray-500: #9aa0a6;
    --gray-600: #80868b;
    --gray-700: #5f6368;
    --gray-800: #3c4043;
    --gray-900: #202124;
    
    /* Sombras do Material Design */
    --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
    --shadow: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
    --shadow-md: 0 2px 6px 2px rgba(60,64,67,0.15), 0 1px 2px 0 rgba(60,64,67,0.3);
    --shadow-lg: 0 4px 12px 6px rgba(60,64,67,0.15), 0 2px 4px 0 rgba(60,64,67,0.3);
    
    /* Espaçamentos consistentes */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    
    /* Bordas arredondadas sutis */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Tipografia */
    --font-xs: 12px;
    --font-sm: 13px;
    --font-base: 14px;
    --font-md: 16px;
    --font-lg: 18px;
    --font-xl: 20px;
    --font-2xl: 24px;
    
    /* Transições suaves */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: var(--font-base);
    line-height: 1.5;
    color: var(--gray-900);
    background: var(--gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== HEADER - ESTILO GOOGLE ===== */
.header {
    display: flex;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    flex: 1;
    gap: var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--gray-900);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--gray-900);
}

.logo-subtitle {
    font-size: var(--font-xs);
    color: var(--gray-600);
    font-weight: 400;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-left: auto;
}

/* ===== TOAST NOTIFICATION ===== */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--space-4) var(--space-6);
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    z-index: 9999;
    transform: translateX(150%);
    transition: transform var(--transition);
    border-left: 4px solid var(--primary);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left-color: var(--secondary);
}

.toast.error {
    border-left-color: var(--accent);
}

.toast.warning {
    border-left-color: var(--warning);
}

.toast-icon {
    font-size: var(--font-lg);
}

.toast-message {
    font-weight: 500;
}

.toast-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--space-1);
}

/* ===== CONTAINER PRINCIPAL COM FLEXBOX ===== */
.main-container {
    display: flex;
    flex: 1;
    min-height: 0;
    padding: var(--space-6);
    gap: var(--space-6);
}

@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .main-container {
        padding: var(--space-4);
        gap: var(--space-4);
    }
}

/* ===== SEÇÃO DO FORMULÁRIO ===== */
.form-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.form-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    background: white;
}

.form-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.form-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
}

@media (max-width: 640px) {
    .form-header,
    .form-content {
        padding: var(--space-4);
    }
}

/* ===== FORMULÁRIO COM FLEXBOX ===== */
.form-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-row {
    display: flex;
    gap: var(--space-4);
    width: 100%;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
}

.form-group {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group.small {
    flex: 0 0 120px;
}

.form-group.large {
    flex: 2;
}

.form-label {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-label i {
    color: var(--gray-500);
}

/* ===== VALIDAÇÃO DE CAMPOS ===== */
.form-input:invalid:not(:placeholder-shown) {
    border-color: var(--accent);
    background-color: rgba(234, 67, 53, 0.05);
}

.form-input.error {
    border-color: var(--accent);
    background-color: rgba(234, 67, 53, 0.05);
}

.error-message {
    color: var(--accent);
    font-size: var(--font-xs);
    margin-top: var(--space-1);
    display: none;
}

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

/* ===== INPUTS - ESTILO GOOGLE ===== */
.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-base);
    font-family: inherit;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background: white;
    color: var(--gray-900);
    transition: all var(--transition-fast);
    height: 44px;
}

.form-input.number-input {
    background: var(--gray-50);
    border-color: var(--primary);
    font-weight: 600;
    color: var(--primary);
    text-align: center;
    font-size: var(--font-md);
    letter-spacing: 0.5px;
}

.form-input:hover {
    border-color: var(--gray-400);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input::placeholder {
    color: var(--gray-500);
}

textarea.form-input {
    min-height: 100px;
    resize: vertical;
    padding: var(--space-4);
    line-height: 1.5;
}

/* ===== SELECT CUSTOMIZADO ===== */
.select-container {
    position: relative;
    display: flex;
    align-items: center;
}

.select-container::after {
    content: '▼';
    position: absolute;
    right: var(--space-4);
    color: var(--gray-500);
    pointer-events: none;
    font-size: 10px;
}

.select-container select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    padding-right: var(--space-8);
    font-size: var(--font-base);
    font-family: inherit;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background: white;
    color: var(--gray-900);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    height: 44px;
    transition: all var(--transition-fast);
}

.select-container select:hover {
    border-color: var(--gray-400);
}

.select-container select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ===== SEÇÕES DE CONTEÚDO ===== */
.content-section {
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    padding: var(--space-5);
    margin-top: var(--space-4);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--gray-200);
}

.section-title {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.section-icon {
    color: var(--primary);
}

/* ===== GRID DE SERVIÇOS ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
}

.service-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.example-text {
    font-size: var(--font-xs);
    color: var(--gray-600);
    margin-top: var(--space-1);
    font-style: italic;
}

/* ===== GRID DE FABRICAÇÃO ===== */
.fabrication-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.fabrication-pair {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.pair-label {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ===== CABEÇA/ROSCA ===== */
.cabeca-rosca-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--gray-300);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--gray-300);
}

.cabeca-rosca-cell {
    background: white;
    padding: var(--space-3);
    text-align: center;
    font-weight: 600;
    color: var(--gray-800);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cabeca-input {
    width: 100%;
    padding: var(--space-2);
    font-size: var(--font-sm);
    border: none;
    background: transparent;
    text-align: center;
    font-weight: 600;
    color: var(--gray-900);
    outline: none;
}

.cabeca-input:focus {
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

/* ===== BOTÕES - ESTILO GOOGLE ===== */
.form-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding-top: var(--space-5);
    border-top: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-base);
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    height: 44px;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 1px 2px rgba(66, 133, 244, 0.3);
}

.btn-primary:hover {
    background: #3367d6;
    box-shadow: 0 2px 4px rgba(66, 133, 244, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

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

.btn-success:hover {
    background: #2e8b47;
}

/* ===== PREVIEW SECTION ===== */
.preview-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.preview-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    background: white;
}

.preview-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.preview-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6);
    background: var(--gray-50);
}

.preview-container {
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* ===== ESTILO DO PDF COM FLEXBOX - CORRIGIDO ===== */
.pdf-preview {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    line-height: 1.4;
    color: var(--gray-900);
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    width: 210mm;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pdf-header {
    text-align: center;
    font-weight: 700;
    font-size: 14px;
    color: var(--gray-900);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--gray-800);
    margin-bottom: 12px;
}

/* Layout com Flexbox para PDF - CORRIGIDO */
.pdf-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pdf-row {
    display: flex;
    gap: 8px;
}

/* CÉLULAS CORRIGIDAS - SEM POSITION ABSOLUTE NAS LABELS */
.pdf-cell {
    flex: 1;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    padding: 8px;
    min-height: 35px;
    display: flex;
    flex-direction: column;
    background: white;
}

.pdf-cell.small {
    flex: 0 0 100px;
}

/* LABEL CORRIGIDA - Agora é um elemento separado */
.pdf-label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 11px;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* VALOR CORRIGIDO - Agora ocupa o espaço restante */
.pdf-value {
    font-weight: 500;
    color: var(--gray-900);
    flex: 1;
    display: flex;
    align-items: center;
    min-height: 20px;
    padding: 2px 0;
}

/* Estilo especial para número OP - COM FORMATO NOVO */
.pdf-cell.small .pdf-value {
    font-weight: 700;
    color: var(--primary);
    font-size: 13px;
    letter-spacing: 0.5px;
}

/* Seções do PDF */
.pdf-section {
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    margin-top: 12px;
    background: white;
}

.pdf-section-header {
    background: var(--gray-100);
    padding: 8px;
    border-bottom: 1px solid var(--gray-300);
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pdf-section-content {
    padding: 12px;
}

/* Grade para tratamentos */
.pdf-treatments-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
}

.pdf-treatment-cell {
    background: white;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 45px;
    text-align: center;
}

/* Grade para fabricação */
.pdf-fabrication-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
}

.pdf-fabrication-cell {
    background: white;
    padding: 10px;
    display: flex;
    align-items: center;
    min-height: 40px;
}

/* Grade cabeça/rosca */
.pdf-head-thread-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
}

.pdf-head-thread-cell {
    background: white;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    font-weight: 600;
}

/* Célula de conteúdo para cabeça/rosca */
.pdf-head-thread-value {
    background: white;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    font-weight: 500;
}

/* Observação */
.pdf-observation {
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    padding: 12px;
    margin-top: 12px;
    background: white;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pdf-observation-label {
    font-weight: 600;
    color: var(--gray-700);
}

/* ===== FOOTER ===== */
.footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: white;
    border-top: 1px solid var(--gray-200);
    color: var(--gray-600);
    font-size: var(--font-sm);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-links {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ===== UTILITIES ===== */
.help-text {
    font-size: var(--font-xs);
    color: var(--gray-600);
    margin-top: var(--space-1);
}

.required::after {
    content: '*';
    color: var(--accent);
    margin-left: 2px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

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

.form-group, .content-section {
    animation: fadeIn 0.3s ease-out;
}

/* ===== LOADING STATE ===== */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===== STATUS INDICATORS ===== */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: 500;
}

.status-draft {
    background: var(--gray-100);
    color: var(--gray-700);
}

.status-ready {
    background: var(--primary-light);
    color: var(--primary);
}

/* ===== TOOLTIPS ===== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-3);
    background: var(--gray-800);
    color: white;
    font-size: var(--font-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    z-index: 1000;
    margin-bottom: var(--space-2);
}

[data-tooltip]:hover::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--gray-800);
    margin-bottom: -4px;
}

/* ===== HISTÓRICO DE OPS ===== */
.history-section {
    margin-top: var(--space-6);
    padding: var(--space-4);
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.history-title {
    font-size: var(--font-md);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--gray-800);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 200px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
}

.history-op {
    font-weight: 600;
    color: var(--primary);
}

.history-client {
    color: var(--gray-700);
    font-size: var(--font-sm);
}

.history-date {
    color: var(--gray-600);
    font-size: var(--font-xs);
}