/* ========================================
   VARIÁVEIS E TEMA CLARO
   ======================================== */
:root {
    /* Cores principais */
    --primary: #FF5722;
    --primary-dark: #E64A19;
    --primary-light: #FFCCBC;
    --secondary: #607D8B;
    --success: #4CAF50;
    --danger: #F44336;
    --warning: #FFC107;
    --info: #2196F3;
    --pix-green: #00BFA5;
    --pix-green-dark: #00A08A;

    /* Cores de fundo */
    --bg-body: #F5F5F5;
    --bg-white: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-input: #FFFFFF;
    --bg-hover: #F0F0F0;
    --bg-header: #FFFFFF;

    /* Cores de texto */
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-muted: #9E9E9E;
    --text-white: #FFFFFF;

    /* Bordas */
    --border-color: #E0E0E0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-sm: 4px;

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-hover: 0 6px 20px rgba(0,0,0,0.15);

    /* Espaçamentos */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    /* Layout */
    --header-height: 64px;
    --container-max-width: 1200px;
    --sidebar-width: 280px;
}

/* ========================================
   RESET E BASE
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   LOADING SCREEN
   ======================================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

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

.loading-logo {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
    animation: pulse 1.5s ease-in-out infinite;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--spacing-md);
}

.loading-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.95); }
}

/* ========================================
   ERROR UI
   ======================================== */
#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--danger);
    color: white;
    padding: var(--spacing-md);
    z-index: 9999;
}

#blazor-error-ui .error-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

#blazor-error-ui .reload {
    color: white;
    text-decoration: underline;
    margin-left: var(--spacing-sm);
}

/* ========================================
   LAYOUT
   ======================================== */
.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding-top: var(--header-height);
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-sm {
    max-width: 600px;
}

.container-lg {
    max-width: 1400px;
}

/* ========================================
   HEADER / NAVBAR
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.header-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary);
}

.header-brand i {
    font-size: 1.5rem;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.header-logo {
    height: 32px;
    width: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-link i {
    font-size: 1.1rem;
}

/* Menu toggle mobile */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
}

/* Header actions (login/user) */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-menu {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-hover);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.user-button:hover {
    background: var(--border-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: background 0.2s ease;
}

.user-dropdown-item:hover {
    background: var(--bg-hover);
}

.user-dropdown-item.danger {
    color: var(--danger);
}

.user-dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: inherit;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

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

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

.btn-secondary:hover:not(:disabled) {
    background: #546E7A;
    border-color: #546E7A;
}

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

.btn-success:hover:not(:disabled) {
    background: #43A047;
    border-color: #43A047;
}

.btn-pix {
    background: var(--pix-green);
    color: var(--text-white);
    border-color: var(--pix-green);
}

.btn-pix:hover:not(:disabled) {
    background: var(--pix-green-dark);
    border-color: var(--pix-green-dark);
}

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

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.2s ease;
}

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

.card-clickable {
    cursor: pointer;
}

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

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-hover);
}

.card-header h3, .card-header h4 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
}

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

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-hover);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

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

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

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

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

.form-control:disabled {
    background: var(--bg-hover);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.2);
}

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

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--danger);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23757575' d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* ========================================
   ALERTS
   ======================================== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.alert-info {
    background: #E3F2FD;
    color: #1565C0;
    border: 1px solid #90CAF9;
}

.alert-success {
    background: #E8F5E9;
    color: #2E7D32;
    border: 1px solid #A5D6A7;
}

.alert-warning {
    background: #FFF3E0;
    color: #E65100;
    border: 1px solid #FFCC80;
}

.alert-danger {
    background: #FFEBEE;
    color: #C62828;
    border: 1px solid #EF9A9A;
}

/* ========================================
   BADGES
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.badge-success {
    background: #E8F5E9;
    color: #2E7D32;
}

.badge-warning {
    background: #FFF3E0;
    color: #E65100;
}

.badge-danger {
    background: #FFEBEE;
    color: #C62828;
}

.badge-info {
    background: #E3F2FD;
    color: #1565C0;
}

.badge-live {
    background: var(--danger);
    color: white;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ========================================
   TABLES
   ======================================== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

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

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-hover);
    white-space: nowrap;
}

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

.table-striped tbody tr:nth-child(even) {
    background: var(--bg-body);
}

/* ========================================
   TABS
   ======================================== */
.tabs {
    display: flex;
    gap: var(--spacing-xs);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

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

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ========================================
   EVENTO CARD
   ======================================== */
.evento-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.evento-card-header {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.evento-card-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.evento-card-header .meta {
    font-size: var(--font-size-xs);
    opacity: 0.9;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.evento-card-header .meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.evento-card-body {
    flex: 1;
    padding: var(--spacing-md);
}

.evento-card-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.evento-status {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.evento-status.ao-vivo {
    background: var(--danger);
    color: white;
}

.evento-status.agendado {
    background: var(--info);
    color: white;
}

.evento-status.finalizado {
    background: var(--text-muted);
    color: white;
}

/* ========================================
   RESULTADO / CLASSIFICAÇÃO
   ======================================== */
.posicao {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.posicao-1 {
    background: linear-gradient(135deg, #FFD700, #FFA000);
    color: #5D4037;
}

.posicao-2 {
    background: linear-gradient(135deg, #E0E0E0, #BDBDBD);
    color: #424242;
}

.posicao-3 {
    background: linear-gradient(135deg, #FFCC80, #FF9800);
    color: #5D4037;
}

.posicao-default {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

.numero-moto {
    font-weight: 700;
    color: var(--primary);
}

.melhor-tempo {
    color: var(--pix-green);
    font-weight: 600;
}

.melhor-volta-row {
    background: linear-gradient(90deg, rgba(0, 191, 165, 0.1) 0%, transparent 100%);
}

/* ========================================
   PIX
   ======================================== */
.pix-container {
    background: white;
    border: 2px solid var(--pix-green);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.pix-valor {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--pix-green);
    margin-bottom: var(--spacing-md);
}

.pix-qrcode {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.pix-qrcode img {
    max-width: 200px;
    height: auto;
}

.pix-codigo {
    background: var(--bg-body);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-family: monospace;
    font-size: var(--font-size-xs);
    word-break: break-all;
    margin-bottom: var(--spacing-md);
    max-height: 100px;
    overflow-y: auto;
}

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

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

.fw-normal { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }

.fs-xs { font-size: var(--font-size-xs); }
.fs-sm { font-size: var(--font-size-sm); }
.fs-base { font-size: var(--font-size-base); }
.fs-lg { font-size: var(--font-size-lg); }
.fs-xl { font-size: var(--font-size-xl); }
.fs-2xl { font-size: var(--font-size-2xl); }
.fs-3xl { font-size: var(--font-size-3xl); }

.m-0 { margin: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.my-2 { margin-top: var(--spacing-md); margin-bottom: var(--spacing-md); }
.my-3 { margin-top: var(--spacing-lg); margin-bottom: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-5 { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }
.px-2 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-3 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.d-flex { display: flex; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* ========================================
   GRID
   ======================================== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-md));
}

.col {
    flex: 1;
    padding: 0 var(--spacing-md);
}

.col-12 { flex: 0 0 100%; max-width: 100%; padding: 0 var(--spacing-md); }
.col-6 { flex: 0 0 50%; max-width: 50%; padding: 0 var(--spacing-md); }
.col-4 { flex: 0 0 33.333%; max-width: 33.333%; padding: 0 var(--spacing-md); }
.col-3 { flex: 0 0 25%; max-width: 25%; padding: 0 var(--spacing-md); }

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ========================================
   SPINNER
   ======================================== */
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

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

.loading-container p {
    margin-top: var(--spacing-md);
}

/* ========================================
   EMPTY STATE
   ======================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    opacity: 0.5;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-state p {
    font-size: var(--font-size-sm);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    margin-top: calc(-1 * var(--header-height));
    padding-top: calc(var(--header-height) + var(--spacing-2xl));
}

.hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.hero-content h1 i {
    font-size: 2.5rem;
}

.hero-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-actions .btn-outline {
    color: white;
    border-color: white;
}

.hero-actions .btn-outline:hover {
    background: white;
    color: var(--primary);
}

/* ========================================
   SECTION HEADER
   ======================================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.footer-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

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

.nav-mobile {
    display: none;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    
    .col-4 { flex: 0 0 50%; max-width: 50%; }
    .col-3 { flex: 0 0 50%; max-width: 50%; }
}

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .header-nav {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    /* Menu mobile */
    .nav-mobile {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-white);
        padding: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        z-index: 999;
    }

    .nav-mobile.active {
        transform: translateX(0);
    }

    .nav-mobile .nav-link {
        width: 100%;
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
        border-bottom: 1px solid var(--border-color);
        border-radius: 0;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .col-6, .col-4, .col-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .tabs {
        gap: 0;
    }

    .tab {
        flex: 1;
        padding: var(--spacing-sm);
        font-size: var(--font-size-xs);
        text-align: center;
    }

    .table th, .table td {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .d-none-mobile { display: none !important; }
    .d-block-mobile { display: block !important; }
}

@media (max-width: 480px) {
    .card-body {
        padding: var(--spacing-md);
    }

    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }

    .pix-valor {
        font-size: var(--font-size-2xl);
    }

    .pix-qrcode img {
        max-width: 150px;
    }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-lg);
}

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

.hero h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.hero h1 i {
    font-size: 2.5rem;
}

.hero p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero .btn-outline {
    color: white;
    border-color: white;
}

.hero .btn-outline:hover {
    background: white;
    color: var(--primary);
}

/* ========================================
   SECTION HEADER
   ======================================== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-header h1,
.section-header h2 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-header h1 {
    font-size: var(--font-size-2xl);
}

.section-header h2 {
    font-size: var(--font-size-xl);
}

/* ========================================
   PAGE HEADER
   ======================================== */
.page-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    margin: 0 0 var(--spacing-xs);
    font-size: var(--font-size-2xl);
}

.page-header p {
    margin: 0;
    color: var(--text-secondary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-separator {
    color: var(--text-muted);
}

/* ========================================
   INFO BOX
   ======================================== */
.info-box {
    background: var(--bg-hover);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.info-box-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.info-box-row:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.info-box-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.info-box-value {
    font-weight: 600;
}

/* ========================================
   STAT CARD
   ======================================== */
.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.stat-card-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary);
}

.stat-card-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Print styles */
@media print {
    .header, .footer, .nav-toggle, .btn {
        display: none !important;
    }

    .main-content {
        padding-top: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}