/* =============================================
   Sistema de Farmácia - Estilos CSS
   Design Moderno e Responsivo
   ============================================= */

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

:root {
    /* Cores principais */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #64748b;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Cores neutras */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Bordas */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    
    /* Transições */
    --transition: all 0.2s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-700);
    text-align: center;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

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

.sidebar-logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
}

.sidebar-logo span {
    color: var(--primary-light);
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-section {
    margin-bottom: 0.5rem;
}

.nav-section-title {
    padding: 0.75rem 1.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border-left-color: var(--primary-light);
}

.nav-item.active {
    background-color: rgba(37, 99, 235, 0.2);
    color: var(--white);
    border-left-color: var(--primary-light);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

/* Conteúdo Principal */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

/* Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.page-subtitle {
    color: var(--gray-500);
    font-size: 0.875rem;
}

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

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

.user-name {
    font-weight: 600;
    color: var(--gray-800);
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* =============================================
   Cards
   ============================================= */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

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

.stat-icon.success {
    background: linear-gradient(135deg, #4ade80, var(--success));
    color: white;
}

.stat-icon.warning {
    background: linear-gradient(135deg, #fbbf24, var(--warning));
    color: white;
}

.stat-icon.danger {
    background: linear-gradient(135deg, #f87171, var(--danger));
    color: white;
}

.stat-info h3 {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-change {
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

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

/* =============================================
   Alertas
   ============================================= */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-warning {
    background-color: #fef3c7;
    border: 1px solid #fcd34d;
    color: #92400e;
}

.alert-danger {
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.alert-success {
    background-color: #d1fae5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}

.alert-info {
    background-color: #e0f2fe;
    border: 1px solid #bae6fd;
    color: #075985;
}

.alert i {
    font-size: 1.25rem;
}

/* =============================================
   Formulários
   ============================================= */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background-color: var(--white);
    transition: var(--transition);
}

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

.form-control::placeholder {
    color: var(--gray-400);
}

.form-control:disabled {
    background-color: var(--gray-100);
    cursor: not-allowed;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 0.25rem;
}

/* Select */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* =============================================
   Botões
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-300);
}

.btn-success {
    background: linear-gradient(135deg, #4ade80, var(--success));
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

.btn-danger {
    background: linear-gradient(135deg, #f87171, var(--danger));
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--gray-100);
    border-color: var(--gray-400);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* =============================================
   Tabelas
   ============================================= */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background-color: var(--gray-50);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
}

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

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

.table-striped tbody tr:nth-child(even) {
    background-color: var(--gray-50);
}

/* =============================================
   Badges
   ============================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
}

.badge-primary {
    background-color: #dbeafe;
    color: #1d4ed8;
}

.badge-success {
    background-color: #dcfce7;
    color: #15803d;
}

.badge-warning {
    background-color: #fef3c7;
    color: #b45309;
}

.badge-danger {
    background-color: #fee2e2;
    color: #b91c1c;
}

.badge-secondary {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

/* =============================================
   Modal
   ============================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

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

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

.modal-close:hover {
    color: var(--gray-600);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* =============================================
   Login Page
   ============================================= */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
    padding: 1rem;
}

.login-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.login-logo i {
    font-size: 2.5rem;
    color: var(--primary);
}

.login-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.login-subtitle {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* =============================================
   PDV - Ponto de Venda
   ============================================= */
.pdv-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 1.5rem;
    height: calc(100vh - 140px);
}

.pdv-products {
    display: flex;
    flex-direction: column;
}

.pdv-search {
    margin-bottom: 1rem;
}

.pdv-search .form-control {
    font-size: 1rem;
    padding: 1rem;
}

.pdv-items {
    flex: 1;
    overflow-y: auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1rem;
}

.pdv-cart {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.pdv-cart-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pdv-cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.pdv-cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--gray-100);
}

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

.pdv-cart-item-info h4 {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.pdv-cart-item-info p {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.pdv-cart-item-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pdv-cart-qty {
    width: 60px;
    text-align: center;
    padding: 0.25rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
}

.pdv-cart-totals {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.pdv-cart-total-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.pdv-cart-total-row.grand-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 2px solid var(--gray-300);
}

.pdv-cart-actions {
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* =============================================
   Alertas de Estoque
   ============================================= */
.stock-alert {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-left: 4px solid var(--warning);
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stock-alert-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stock-alert-icon {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--warning);
    font-size: 1.5rem;
}

.stock-alert-info h4 {
    font-weight: 600;
    color: #92400e;
    margin-bottom: 0.25rem;
}

.stock-alert-info p {
    color: #b45309;
    font-size: 0.875rem;
}

/* =============================================
   Responsividade
   ============================================= */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .pdv-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .pdv-cart {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .user-menu {
        width: 100%;
        justify-content: space-between;
    }
}

/* =============================================
   Utilitários
   ============================================= */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--gray-500); }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--gray-500);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--gray-300);
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.875rem;
}

/* =============================================
   Sidebar Colapsável
   ============================================= */
.sidebar-toggle-btn {
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: all 0.2s ease;
    font-size: 0.7rem;
}

.sidebar-toggle-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-50%) scale(1.1);
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar.collapsed .sidebar-logo h1,
.sidebar.collapsed .sidebar-logo span,
.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .badge {
    display: none;
}

.sidebar.collapsed .sidebar-header {
    padding: 1rem 0.5rem;
}

.sidebar.collapsed .sidebar-logo {
    justify-content: center;
}

.sidebar.collapsed .sidebar-logo i {
    margin-right: 0;
    font-size: 1.75rem;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 0.75rem;
}

.sidebar.collapsed .nav-item i {
    margin-right: 0;
    font-size: 1.1rem;
}

.sidebar.collapsed ~ .main-content {
    margin-left: 70px;
}

/* Tooltip para menu colapsado */
.sidebar.collapsed .nav-item {
    position: relative;
}

.sidebar.collapsed .nav-item:hover::after {
    content: attr(data-title);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: #1f2937;
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.sidebar.collapsed #toggleIcon {
    transform: rotate(180deg);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

@media (max-width: 1024px) {
    .sidebar-toggle-btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .sidebar.collapsed,
    .sidebar.collapsed ~ .main-content {
        width: 260px;
        margin-left: 0;
    }
}

/* =============================================
   Sistema de Notificações
   ============================================= */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification-wrapper {
    position: relative;
}

.notification-btn {
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    font-size: 1.1rem;
    position: relative;
    transition: var(--transition);
}

.notification-btn:hover {
    background: var(--gray-200);
    color: var(--primary);
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--danger);
    color: white;
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 360px;
    max-height: 400px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 1000;
    overflow: hidden;
}

.notification-dropdown.show {
    display: block;
    animation: slideDown 0.2s ease;
}

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

.notification-header {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
}

.notification-header h4 {
    margin: 0;
    font-size: 0.9rem;
}

.notification-list {
    max-height: 320px;
    overflow-y: auto;
}

.notification-item {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: var(--transition);
}

.notification-item:hover {
    background: var(--gray-50);
}

.notification-item.unread {
    background: #eff6ff;
    border-left: 3px solid var(--primary);
}

.notification-item-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    font-size: 0.9rem;
}

.notification-item-icon.venda {
    background: #d1fae5;
    color: #065f46;
}

.notification-item-icon.entrega {
    background: #dbeafe;
    color: #1d4ed8;
}

.notification-item-icon.alerta {
    background: #fef3c7;
    color: #92400e;
}

.notification-item-icon.cancelamento {
    background: #fee2e2;
    color: #991b1b;
}

.notification-item-content {
    flex: 1;
}

.notification-item-title {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.notification-item-text {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.notification-item-time {
    font-size: 0.7rem;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

.notification-empty {
    padding: 2rem;
    text-align: center;
    color: var(--gray-400);
}

.notification-empty i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast-notification {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    color: white;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 280px;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
}

.toast-notification.hiding {
    animation: toastOut 0.3s ease forwards;
}

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

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

.toast-notification.success { background: var(--success); }
.toast-notification.warning { background: var(--warning); }
.toast-notification.danger { background: var(--danger); }
.toast-notification.info { background: var(--primary); }

.toast-close {
    background: none;
    border: none;
    color: white;
    opacity: 0.7;
    cursor: pointer;
    padding: 0;
    margin-left: auto;
}

.toast-close:hover {
    opacity: 1;
}