/* ==========================================================================
   Gerador de Pedidos — Design Moderno, Profissional e Responsivo
   ========================================================================== */

:root,
:root[data-theme="light"],
html[data-theme="light"],
body[data-theme="light"],
[data-theme="light"] {
    --primary: #1e3a8a;
    --primary-hover: #172554;
    --primary-light: #eff6ff;
    --secondary: #0f172a;
    --secondary-hover: #1e293b;
    --accent: #10b981;
    --accent-hover: #059669;
    --accent-light: #ecfdf5;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: #fef2f2;
    --warning: #f59e0b;
    
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-subtle: #f8fafc;
    --bg-table-header: #f8fafc;
    --bg-table-hover: #f1f5f9;
    --bg-empty: #fafbfc;
    --bg-summary: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    --header-bg: rgba(255, 255, 255, 0.95);
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-focus: #3b82f6;
    --ring-focus: rgba(59, 130, 246, 0.25);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color-scheme: light;
}

:root[data-theme="dark"],
html[data-theme="dark"],
body[data-theme="dark"],
[data-theme="dark"] {
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-light: rgba(59, 130, 246, 0.18);
    --secondary: #e2e8f0;
    --secondary-hover: #ffffff;
    --accent: #10b981;
    --accent-hover: #34d399;
    --accent-light: rgba(16, 185, 129, 0.18);
    --danger: #ef4444;
    --danger-hover: #f87171;
    --danger-light: rgba(239, 68, 68, 0.18);
    --warning: #fbbf24;
    
    --bg-page: #0b1120;
    --bg-card: #151f32;
    --bg-input: #0b1120;
    --bg-subtle: #1e293b;
    --bg-table-header: #131c2e;
    --bg-table-hover: #1c2840;
    --bg-empty: #0e1726;
    --bg-summary: linear-gradient(180deg, #151f32 0%, #111a2c 100%);
    --header-bg: rgba(21, 31, 50, 0.95);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    
    --border-color: #243049;
    --border-focus: #60a5fa;
    --ring-focus: rgba(96, 165, 250, 0.35);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.35);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.45), 0 2px 4px -2px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.55), 0 4px 6px -4px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    text-rendering: optimizeSpeed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Barra Superior / Header
   ========================================================================== */

.app-header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(8px);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.header-container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.brand-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
    flex-shrink: 0;
}

.brand-text h1 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.brand-text span {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: block;
    font-weight: 500;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Indicador de Salvamento Automático */
.save-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.8rem;
    color: var(--text-muted);
    background-color: var(--bg-page);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #94a3b8;
    transition: var(--transition);
}

.status-saving .status-dot {
    background-color: var(--warning);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
    animation: pulseDot 1s infinite;
}

.status-saved .status-dot {
    background-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

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

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* Botão de Alternância de Tema Claro/Escuro */
.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle-btn:hover {
    background-color: var(--bg-subtle);
    color: var(--text-main);
    border-color: var(--border-focus);
}

.theme-toggle-btn svg {
    pointer-events: none;
    flex-shrink: 0;
}

/* Regra Padrão / Modo Claro: exibe o ícone de Lua (para alternar para escuro) */
.theme-icon-sun {
    display: none !important;
}

.theme-icon-moon {
    display: block !important;
    color: #475569;
}

:root[data-theme="light"] .theme-icon-sun,
html[data-theme="light"] .theme-icon-sun,
body[data-theme="light"] .theme-icon-sun,
[data-theme="light"] .theme-icon-sun {
    display: none !important;
}

:root[data-theme="light"] .theme-icon-moon,
html[data-theme="light"] .theme-icon-moon,
body[data-theme="light"] .theme-icon-moon,
[data-theme="light"] .theme-icon-moon {
    display: block !important;
    color: #475569;
}

/* Modo Escuro: exibe o ícone de Sol dourado (para alternar para claro) */
:root[data-theme="dark"] .theme-icon-moon,
html[data-theme="dark"] .theme-icon-moon,
body[data-theme="dark"] .theme-icon-moon,
[data-theme="dark"] .theme-icon-moon {
    display: none !important;
}

:root[data-theme="dark"] .theme-icon-sun,
html[data-theme="dark"] .theme-icon-sun,
body[data-theme="dark"] .theme-icon-sun,
[data-theme="dark"] .theme-icon-sun {
    display: block !important;
    color: #fbbf24;
}

/* ==========================================================================
   Layout Principal
   ========================================================================== */

.app-main {
    flex: 1;
    max-width: 1160px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 20px 48px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Cartões Gerais */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 22px 24px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.card-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title svg {
    color: var(--primary);
}

/* Destaque quando formulário está em modo de edição */
.card-editing-highlight {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2) !important;
}

/* ==========================================================================
   Formulários e Inputs
   ========================================================================== */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-label-desc {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--ring-focus);
}

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

.form-control.input-error {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25) !important;
    animation: shakeError 0.35s ease-in-out;
}

@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
    appearance: none;
}

/* Grid de Identificação */
.order-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

/* Grid de Adicionar Produto */
.product-add-grid {
    display: grid;
    grid-template-columns: 2.5fr 1fr 1fr 1.2fr;
    gap: 14px;
    align-items: flex-end;
}

.product-form-bottom {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 14px;
    border-top: 1px dashed var(--border-color);
}

.subtotal-preview-box {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 0.92rem;
    color: var(--text-muted);
}

.subtotal-preview-box strong {
    font-size: 1.15rem;
    color: var(--text-main);
    font-weight: 800;
}

.product-actions-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ==========================================================================
   Botões
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Variantes de Botão */
.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 1px 3px rgba(30, 58, 138, 0.2);
}

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

.btn-secondary {
    background-color: var(--secondary);
    color: #ffffff;
}

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

.btn-success {
    background-color: var(--accent);
    color: #ffffff;
}

.btn-success:hover:not(:disabled) {
    background-color: var(--accent-hover);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--bg-page);
    border-color: #cbd5e1;
}

.btn-outline-danger {
    background-color: transparent;
    border-color: #fca5a5;
    color: var(--danger);
}

.btn-outline-danger:hover:not(:disabled) {
    background-color: var(--danger-light);
    border-color: var(--danger);
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.82rem;
}

.btn-lg {
    padding: 14px 22px;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

/* ==========================================================================
   Tabela de Itens (Desktop)
   ========================================================================== */

.table-responsive-wrapper {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.items-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.items-table th {
    background-color: var(--bg-table-header);
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-color);
}

.items-table td {
    padding: 12px 14px;
    font-size: 0.92rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.items-table tbody tr:last-child td {
    border-bottom: none;
}

.items-table tbody tr {
    contain: layout paint;
}

.items-table tbody tr:hover {
    background-color: var(--bg-table-hover);
}

.col-num {
    width: 50px;
    text-align: center;
    color: var(--text-muted);
    font-weight: 600;
}

.col-desc {
    font-weight: 600;
    color: var(--text-main);
}

.col-qty {
    width: 110px;
    text-align: right;
}

.col-un {
    width: 80px;
    text-align: center;
}

.col-price {
    width: 130px;
    text-align: right;
    color: var(--text-muted);
}

.col-total {
    width: 140px;
    text-align: right;
    font-weight: 700;
    color: var(--text-main);
}

.col-actions {
    width: 90px;
    text-align: center;
}

.badge-unit {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.78rem;
    font-weight: 600;
    background-color: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

/* Botões de Ação na Linha */
.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background-color: transparent;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-muted);
}

.btn-action.btn-edit:hover {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: #bfdbfe;
}

.btn-action.btn-delete:hover {
    background-color: var(--danger-light);
    color: var(--danger);
    border-color: #fecaca;
}

/* ==========================================================================
   Visualização Mobile dos Itens (Cartões)
   ========================================================================== */

.items-mobile-container {
    display: none;
    flex-direction: column;
    gap: 12px;
}

.mobile-item-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    box-shadow: var(--shadow-sm);
    contain: layout paint;
}

.mobile-card-header {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}

.mobile-item-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--text-muted);
    flex-shrink: 0;
}

.mobile-item-title {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
    word-break: break-word;
}

.mobile-card-details {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 8px;
    background-color: var(--bg-subtle);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    margin-bottom: 12px;
}

.detail-col {
    display: flex;
    flex-direction: column;
}

.detail-col .label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
}

.detail-col .val {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
}

.detail-total .total-highlight {
    color: var(--primary);
    font-weight: 800;
    font-size: 0.95rem;
}

.mobile-card-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    border-top: 1px dashed var(--border-color);
    padding-top: 10px;
}

.mobile-btn-action {
    background: none;
    border: none;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 6px;
}

.mobile-btn-action.text-danger {
    color: var(--danger);
}

/* ==========================================================================
   Estado Vazio (Empty State)
   ========================================================================== */

.empty-state-box {
    text-align: center;
    padding: 44px 20px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-empty);
}

.empty-state-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 14px;
    color: var(--text-light);
}

.empty-state-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.empty-state-text {
    font-size: 0.88rem;
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto;
}

/* ==========================================================================
   Resumo do Pedido e Botões de Compartilhamento (Card Final)
   ========================================================================== */

.order-summary-card {
    background: var(--bg-summary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 24px;
}

.summary-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.6fr;
    gap: 20px;
    align-items: center;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 22px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}

.stat-item.stat-grand-total {
    text-align: right;
}

.stat-grand-total .stat-value {
    font-size: 1.9rem;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: -0.02em;
}

/* Opções de Exportação (Cards A4 e Térmico com Compartilhar e Baixar) */
.export-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 10px;
}

.export-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.export-card:hover {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-md);
}

.export-card-a4 {
    border-top: 4px solid var(--primary);
}

.export-card-thermal {
    border-top: 4px solid var(--secondary);
}

.export-card-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.export-card-badge {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: var(--radius-full);
}

.export-card-a4 .export-card-badge {
    background-color: var(--primary-light);
    color: var(--primary);
}

.export-card-thermal .export-card-badge {
    background-color: var(--bg-subtle);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.export-card-title-wrap {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.export-card-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.export-card-a4 .export-card-icon {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.12), rgba(37, 99, 235, 0.2));
    color: var(--primary);
}

.export-card-thermal .export-card-icon {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.08), rgba(71, 85, 105, 0.18));
    color: var(--secondary);
}

.export-card-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.25;
}

.export-card-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 2px;
    line-height: 1.4;
}

.export-card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.export-card-actions .btn {
    padding: 10px 14px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-md);
}

/* Botões Formato A4 */
.btn-share-a4 {
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: #ffffff;
    box-shadow: 0 3px 10px rgba(37, 99, 235, 0.25);
    border: none;
}

.btn-share-a4:hover:not(:disabled) {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    box-shadow: 0 5px 14px rgba(37, 99, 235, 0.35);
}

.btn-download-a4 {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1.5px solid rgba(37, 99, 235, 0.25);
}

.btn-download-a4:hover:not(:disabled) {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* Botões Cupom Térmico */
.btn-share-thermal {
    background-color: var(--secondary);
    color: #ffffff;
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.2);
    border: none;
}

.btn-share-thermal:hover:not(:disabled) {
    background-color: var(--secondary-hover);
    box-shadow: 0 5px 14px rgba(15, 23, 42, 0.3);
}

.btn-download-thermal {
    background-color: var(--bg-subtle);
    color: var(--text-main);
    border: 1.5px solid var(--border-color);
}

.btn-download-thermal:hover:not(:disabled) {
    background-color: var(--secondary);
    color: #ffffff;
    border-color: var(--secondary);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

/* Spinner de carregamento */
.spinner-icon {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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

/* ==========================================================================
   Rodapé
   ========================================================================== */

.app-footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-card);
    padding: 20px;
    text-align: center;
    font-size: 0.84rem;
    color: var(--text-muted);
}

.app-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

/* ==========================================================================
   Modais
   ========================================================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    will-change: opacity, visibility;
}

.modal-overlay.modal-active {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 480px;
    width: 100%;
    padding: 24px;
    transform: scale(0.95);
    transition: transform 0.2s ease;
    will-change: transform;
}

.modal-overlay.modal-active .modal-dialog {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-main);
}

.btn-close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-close-modal:hover {
    color: var(--text-main);
    background-color: var(--bg-page);
}

.modal-body {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 22px;
}

.modal-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px;
}

/* ==========================================================================
   Toasts de Notificação
   ========================================================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 380px;
    pointer-events: none;
}

.toast {
    background-color: #0f172a;
    color: #ffffff;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.88rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    will-change: transform, opacity;
    pointer-events: auto;
}

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

.toast.toast-success {
    background-color: #065f46;
    border-left: 4px solid #10b981;
}

.toast.toast-error {
    background-color: #7f1d1d;
    border-left: 4px solid #ef4444;
}

.toast.toast-info {
    background-color: #1e293b;
    border-left: 4px solid #3b82f6;
}

/* ==========================================================================
   Responsividade (Breakpoints)
   ========================================================================== */

@media (max-width: 900px) {
    .product-add-grid {
        grid-template-columns: 1fr 1fr;
    }
    .product-add-grid .form-group:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 10px 16px;
    }

    .brand-text span {
        display: none;
    }

    .save-status-badge {
        font-size: 0.74rem;
        padding: 4px 8px;
    }

    .app-main {
        padding: 16px 12px 36px;
        gap: 18px;
    }

    .card {
        padding: 18px 16px;
    }

    /* Alterna tabela para cartões mobile sem rolagem horizontal */
    .table-responsive-wrapper {
        display: none;
    }

    .items-mobile-container {
        display: flex;
    }

    .summary-stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        text-align: left;
    }

    .stat-item.stat-grand-total {
        text-align: left;
        border-top: 1px dashed var(--border-color);
        padding-top: 10px;
    }

    .export-options-grid {
        grid-template-columns: 1fr;
    }

    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .product-add-grid {
        grid-template-columns: 1fr;
    }
    .product-add-grid .form-group:first-child {
        grid-column: span 1;
    }

    .product-actions-wrap {
        width: 100%;
    }

    .product-actions-wrap .btn {
        width: 100%;
    }

    .export-card {
        padding: 16px;
    }

    .export-card-actions .btn {
        padding: 9px 8px;
        font-size: 0.84rem;
    }
}

@media (max-width: 580px) {
    .modal-overlay {
        padding: 14px;
    }

    .modal-dialog {
        padding: 20px 16px;
        max-width: 100%;
        width: 100%;
        max-height: 92vh;
        overflow-y: auto;
    }

    .modal-header {
        margin-bottom: 12px;
    }

    .modal-title {
        font-size: 1.05rem;
    }

    .btn-close-modal {
        width: 38px;
        height: 38px;
    }

    .modal-body {
        margin-bottom: 16px;
        font-size: 0.88rem;
    }

    .modal-actions {
        display: flex;
        flex-direction: column-reverse;
        width: 100%;
        gap: 8px;
    }

    .modal-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 11px 16px;
        font-size: 0.92rem;
    }
}

/* ==========================================================================
   Ajustes Específicos do Modo Escuro (Dark Mode)
   ========================================================================== */

:root[data-theme="dark"] select.form-control {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

:root[data-theme="dark"] .btn-outline {
    border-color: var(--border-color);
    color: var(--text-main);
}

:root[data-theme="dark"] .btn-outline:hover:not(:disabled) {
    background-color: var(--bg-subtle);
    border-color: #475569;
}

:root[data-theme="dark"] .export-card-a4 {
    border-top-color: #3b82f6;
}

:root[data-theme="dark"] .export-card-thermal {
    border-top-color: #94a3b8;
}

:root[data-theme="dark"] .export-card-a4 .export-card-badge {
    background-color: rgba(59, 130, 246, 0.18);
    color: #93c5fd;
}

:root[data-theme="dark"] .export-card-thermal .export-card-badge {
    background-color: rgba(148, 163, 184, 0.12);
    color: #cbd5e1;
    border-color: #334155;
}

:root[data-theme="dark"] .export-card-a4 .export-card-icon {
    background: rgba(59, 130, 246, 0.16);
    color: #60a5fa;
}

:root[data-theme="dark"] .export-card-thermal .export-card-icon {
    background: rgba(148, 163, 184, 0.12);
    color: #cbd5e1;
}

:root[data-theme="dark"] .btn-download-a4 {
    background-color: rgba(59, 130, 246, 0.12);
    color: #93c5fd;
    border-color: rgba(96, 165, 250, 0.3);
}

:root[data-theme="dark"] .btn-download-a4:hover:not(:disabled) {
    background-color: #3b82f6;
    color: #ffffff;
    border-color: #3b82f6;
}

:root[data-theme="dark"] .btn-share-thermal {
    background-color: #1e293b;
    border: 1px solid #334155;
    color: #f8fafc;
}

:root[data-theme="dark"] .btn-share-thermal:hover:not(:disabled) {
    background-color: #334155;
}

:root[data-theme="dark"] .btn-download-thermal {
    background-color: rgba(255, 255, 255, 0.05);
    color: #f1f5f9;
    border-color: #334155;
}

:root[data-theme="dark"] .btn-download-thermal:hover:not(:disabled) {
    background-color: #334155;
    color: #ffffff;
    border-color: #334155;
}

:root[data-theme="dark"] .card-editing-highlight {
    border-color: #60a5fa !important;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.25) !important;
}

:root[data-theme="dark"] .mobile-card-details {
    background-color: #0b1120;
}