/**
 * style.css - Estilos Globais
 * 
 * Design System baseado em design_system.md
 */

:root {
    /* Cores Primárias */
    --primary-50: #ffffff;
    --primary-100: #eef5ff;
    --primary-200: #d9e9fb;
    --primary-300: #a8cbee;
    --primary-400: #5f9fd7;
    --primary-500: #2e81c7;
    --primary-600: #2268b5;
    --primary-700: #184d9d;
    --primary-800: #12397a;
    --primary-900: #0a2051;

    /* Cores de Acento */
    --accent-50: #ffffff;
    --accent-100: #eef5ff;
    --accent-200: #d9e9fb;
    --accent-300: #a8cbee;
    --accent-400: #5f9fd7;
    --accent-500: #2e81c7;
    --accent-600: #2268b5;
    --accent-700: #184d9d;
    --accent-800: #12397a;
    --accent-900: #0a2051;

    /* Cores de Status (padronizadas na paleta institucional) */
    --success-50: #eef5ff;
    --success-500: #2e81c7;
    --success-600: #184d9d;
    --success-700: #0a2051;

    --error-50: #eef5ff;
    --error-500: #184d9d;
    --error-600: #0a2051;
    --error-700: #0a2051;

    --warning-50: #eef5ff;
    --warning-500: #2e81c7;
    --warning-600: #184d9d;
    --warning-700: #0a2051;

    --info-50: #eef5ff;
    --info-500: #2e81c7;
    --info-600: #184d9d;
    --info-700: #0a2051;

    /* Cores Neutras */
    --neutral-50: #f9fafb;
    --neutral-100: #f3f4f6;
    --neutral-200: #e5e7eb;
    --neutral-300: #d1d5db;
    --neutral-400: #9ca3af;
    --neutral-500: #6b7280;
    --neutral-600: #4b5563;
    --neutral-700: #374151;
    --neutral-800: #1f2937;
    --neutral-900: #111827;

    /* 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: 1.875rem;
    --font-size-4xl: 2.25rem;

    /* Espaçamento */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;

    /* Bordas */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--neutral-900);
    background-color: var(--neutral-50);
}

body.no-scroll {
    overflow: hidden;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--primary-600);
    outline-offset: 2px;
}

/* Página de Login */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-600) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: white;
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--spacing-2);
}

.login-header p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
}

/* Formulário */
.login-form {
    margin-bottom: var(--spacing-6);
}

.form-group {
    margin-bottom: var(--spacing-5);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--neutral-700);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--neutral-300);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    min-height: 44px;
    transition: all 0.2s ease;
    background: white;
    font-family: inherit;
}

.input:focus {
    outline: none;
    border-color: var(--accent-500);
    box-shadow: 0 0 0 3px rgba(46, 129, 199, 0.15);
}

.input-error {
    border-color: var(--error-500);
}

.input-error:focus {
    box-shadow: 0 0 0 3px rgba(24, 77, 157, 0.18);
}

.error-message {
    display: none;
    color: var(--error-500);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-1);
}

.form-error {
    display: none;
    background-color: var(--error-50);
    color: var(--error-700);
    padding: var(--spacing-3);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
    text-align: center;
}

.checkbox-group {
    margin-bottom: var(--spacing-4);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--neutral-700);
}

.checkbox-label input[type="checkbox"] {
    margin-right: var(--spacing-2);
    width: auto;
    cursor: pointer;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-5);
    min-height: 44px;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    text-decoration: none;
}

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

.btn-primary {
    background-color: var(--primary-500);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-600);
}

.btn-block {
    width: 100%;
}

.btn-loading {
    display: none;
    align-items: center;
    gap: var(--spacing-2);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.login-footer {
    text-align: center;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--neutral-200);
}

.login-footer p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
}

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

.login-footer a:hover {
    text-decoration: underline;
}

/* Responsivo */
@media (max-width: 640px) {
    .login-card {
        padding: var(--spacing-6);
    }
    
    .login-header h1 {
        font-size: var(--font-size-xl);
    }
}

/* Dashboard */
.dashboard-container {
    min-height: 100vh;
    background-color: var(--neutral-50);
}

.dashboard-header {
    background: white;
    padding: var(--spacing-4) var(--spacing-6);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-header h1 {
    font-size: var(--font-size-2xl);
    color: var(--neutral-900);
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.header-actions span {
    color: var(--neutral-700);
    font-weight: 500;
}

.dashboard-main {
    padding: var(--spacing-6);
    max-width: 1200px;
    margin: 0 auto;
}

.dashboard-content h2 {
    font-size: var(--font-size-xl);
    color: var(--neutral-900);
    margin-bottom: var(--spacing-6);
}

.events-actions {
    margin-bottom: var(--spacing-6);
}

.events-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-5);
}

@media (max-width: 700px) {
    .events-list {
        grid-template-columns: 1fr;
    }
}

.event-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

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

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-4);
}

.event-header h3 {
    font-size: var(--font-size-lg);
    color: var(--neutral-900);
    margin: 0;
    flex: 1;
}

.event-actions {
    display: flex;
    gap: var(--spacing-2);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: var(--spacing-1);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.btn-icon:hover {
    opacity: 1;
}

.event-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.event-body p {
    margin: var(--spacing-2) 0;
    color: var(--neutral-700);
    font-size: var(--font-size-sm);
}

.event-stats {
    display: flex;
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--neutral-200);
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
}

.event-footer {
    margin-top: auto;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--neutral-200);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.event-footer .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

.loading, .error, .empty-state {
    text-align: center;
    padding: var(--spacing-8);
    color: var(--neutral-600);
}

.error {
    color: var(--error-500);
}

.empty-state p {
    margin-bottom: var(--spacing-4);
}

/* Footer institucional público */
.convite-footer {
    margin-top: 0;
    background: var(--primary-900);
    color: #ffffff;
    text-align: center;
    position: relative;
    z-index: 1;
}

.convite-footer-content {
    max-width: 760px;
    margin: 0 auto;
    padding: var(--spacing-6) var(--spacing-3);
}

.convite-footer-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
    font-weight: 700;
    color: #ffffff;
}

.convite-footer-text {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-2);
    color: var(--primary-100);
    line-height: 1.4;
}

.convite-footer-text strong {
    color: #ffffff;
    font-weight: 700;
}

.convite-footer-emphasis {
    color: var(--primary-200);
    font-weight: 600;
}

.convite-footer-cta {
    margin-top: var(--spacing-3);
    color: #ffffff;
    font-weight: 600;
}

.convite-footer-link {
    display: inline-block;
    margin-top: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    border: 1px solid var(--primary-400);
    border-radius: var(--border-radius-md);
    color: #ffffff;
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.convite-footer-link:hover {
    background: var(--primary-700);
    border-color: var(--primary-300);
}

.convite-footer-bottom {
    border-top: 1px solid var(--primary-700);
    padding: var(--spacing-3) var(--spacing-3);
    color: var(--primary-200);
    font-size: var(--font-size-sm);
}

.convite-page .convite-footer {
    margin-top: var(--spacing-6);
    background: transparent;
}

.confirmar-page .convite-footer,
.lista-presentes-page .convite-footer {
    margin-top: var(--spacing-6);
    background: transparent;
}

/* Efeitos de fundo - páginas públicas */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.floating-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

.floating-circle.circle-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation: bg-float-1 15s ease-in-out infinite;
}

.floating-circle.circle-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    left: 80%;
    animation: bg-float-2 18s ease-in-out infinite;
}

.floating-circle.circle-3 {
    width: 100px;
    height: 100px;
    top: 80%;
    left: 20%;
    animation: bg-float-3 12s ease-in-out infinite;
}

.floating-circle.circle-4 {
    width: 250px;
    height: 250px;
    top: 40%;
    left: 70%;
    animation: bg-float-4 20s ease-in-out infinite;
}

.floating-circle.circle-5 {
    width: 120px;
    height: 120px;
    top: 20%;
    left: 50%;
    animation: bg-float-5 14s ease-in-out infinite;
}

@keyframes bg-float-1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -40px) scale(1.1); }
}

@keyframes bg-float-2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-50px, 30px) scale(0.9); }
}

@keyframes bg-float-3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.15); }
}

@keyframes bg-float-4 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 50px) scale(0.95); }
}

@keyframes bg-float-5 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(25px, 35px) scale(1.05); }
}

/* Cards translúcidos - páginas públicas */
.public-glass-card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(217, 233, 251, 0.9);
    backdrop-filter: blur(6px);
    border-radius: var(--border-radius-xl);
    box-shadow: 0 24px 52px rgba(10, 32, 81, 0.28);
}

/* Estados loading/erro - páginas públicas */
.convite-page .loading-state,
.convite-page .error-state,
.confirmar-page .loading-state,
.confirmar-page .error-state,
.lista-presentes-page .loading-state,
.lista-presentes-page .error-state {
    text-align: center;
    padding: var(--spacing-8);
    color: var(--neutral-700);
}

.convite-page .error-state,
.confirmar-page .error-state,
.lista-presentes-page .error-state {
    color: var(--error-500);
}

.lista-presentes-page .loading-state {
    color: var(--neutral-600);
}

/* Gradiente de fundo compartilhado - páginas públicas */
.confirmar-page,
.lista-presentes-page {
    background:
        radial-gradient(620px 280px at -10% 0%, rgba(168, 203, 238, .34), transparent 62%),
        radial-gradient(620px 280px at 110% 0%, rgba(24, 77, 157, .26), transparent 58%),
        linear-gradient(165deg, #0a2051 0%, #184d9d 55%, #2e81c7 100%);
}

/* Base e container compartilhados - páginas públicas */
.convite-page,
.confirmar-page,
.lista-presentes-page {
    min-height: 100vh;
    padding: var(--spacing-4);
    position: relative;
}

.public-content-container {
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Cabeçalhos compartilhados - páginas públicas */
.confirmar-header,
.lista-presentes-header {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.confirmar-header h1,
.lista-presentes-header h1 {
    color: #0a2051;
    margin-bottom: var(--spacing-2);
}

.confirmar-header p,
.lista-presentes-header p {
    color: #35588f;
}

@media (max-width: 768px) {
    .convite-footer-title {
        font-size: var(--font-size-lg);
    }

    .convite-footer-text,
    .convite-footer-link,
    .convite-footer-bottom {
        font-size: var(--font-size-sm);
    }
}

.empty-state-full-width {
    grid-column: 1 / -1;
}

/* Confirmações (modal de convidados) */
.confirmacoes-empty {
    text-align: center;
    padding: var(--spacing-8);
}

.confirmacoes-scroll {
    max-height: 500px;
    overflow-y: auto;
}

.confirmacoes-resumo {
    background: var(--info-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.confirmacoes-resumo-texto {
    margin: 0;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--info-600);
}

.confirmacao-card {
    border: 1px solid var(--primary-200);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    background: var(--info-50);
}

.confirmacao-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-2);
}

.confirmacao-info {
    flex: 1;
}

.confirmacao-nome {
    margin: 0 0 var(--spacing-2) 0;
    color: var(--primary-900);
    font-size: 1.1em;
}

.confirmacao-data {
    margin: 0;
    color: var(--info-600);
    font-size: 0.9em;
}

.confirmacao-badge-alerta {
    display: inline-block;
    margin-top: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--primary-500);
    background: var(--info-50);
    color: var(--info-600);
    font-size: 0.85em;
}

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

.confirmacao-total-badge {
    display: inline-block;
    background: var(--primary-700);
    color: white;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-sm);
    font-size: 0.9em;
    font-weight: 700;
}

.confirmacao-acompanhantes {
    margin-top: var(--spacing-3);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--primary-200);
}

.confirmacao-acompanhantes-titulo {
    margin: 0 0 var(--spacing-2) 0;
    color: var(--info-600);
    font-weight: 600;
    font-size: 0.9em;
}

.confirmacao-acompanhantes-lista {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--info-600);
}

.qrcode-modal-body {
    text-align: center;
}

.qrcode-modal-actions {
    margin-top: var(--spacing-4);
}

.confirmacao-sucesso-acompanhantes-lista {
    list-style: none;
    padding-left: 0;
    margin-top: var(--spacing-2);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
}

.modal-content {
    background: white;
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-5);
    border-bottom: 1px solid var(--neutral-200);
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    color: var(--neutral-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--neutral-600);
    padding: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--neutral-900);
}

.modal-body {
    padding: var(--spacing-5);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding: var(--spacing-5);
    border-top: 1px solid var(--neutral-200);
}

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

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

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

small {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--neutral-600);
}

/* Página de Convidados */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.page-actions {
    display: flex;
    gap: var(--spacing-3);
}

.filters-section {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
}

.filters-section .input {
    flex: 1;
    min-width: 200px;
}

.convidados-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-4);
}

.convidado-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.convidado-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-4);
}

.convidado-header h3 {
    font-size: var(--font-size-lg);
    color: var(--neutral-900);
    margin: 0;
    flex: 1;
}

.convidado-body p {
    margin: var(--spacing-2) 0;
    color: var(--neutral-700);
    font-size: var(--font-size-sm);
}

.status-badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.status-pendente {
    background-color: var(--neutral-200);
    color: var(--neutral-700);
}

.status-enviado {
    background-color: var(--info-50);
    color: var(--info-700);
}

.status-confirmado {
    background-color: var(--success-50);
    color: var(--success-700);
}

.status-erro_envio {
    background-color: var(--error-50);
    color: var(--error-700);
}

.status-recusado {
    background-color: var(--neutral-100);
    color: var(--neutral-700);
}

.status-em_fila {
    background-color: var(--warning-50);
    color: var(--warning-700);
}

pre {
    background-color: var(--neutral-100);
    padding: var(--spacing-3);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    overflow-x: auto;
    margin: var(--spacing-3) 0;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background-color: var(--neutral-900);
    color: white;
    padding: var(--spacing-4);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10, 32, 81, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 999;
}

.sidebar-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.sidebar-open {
    transform: translateX(0);
}

.sidebar-header {
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--neutral-700);
    margin-bottom: var(--spacing-4);
}

.sidebar-header h2 {
    color: white;
    font-size: var(--font-size-xl);
    margin: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.site-logo-img {
    display: inline-block;
    height: 34px;
    width: auto;
}

.sidebar-brand-text {
    color: white;
    font-size: var(--font-size-xl);
    margin: 0;
    font-weight: 700;
}

.public-page-logo {
    text-align: center;
    margin-bottom: var(--spacing-5);
}

.public-page-logo .site-logo-img {
    height: 56px;
}

.sidebar-nav {
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    color: var(--neutral-300);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-2);
    transition: all 0.2s ease;
}

.nav-item:hover {
    background-color: var(--neutral-800);
    color: white;
}

.nav-item.active {
    background-color: var(--accent-500);
    color: white;
}

.sidebar-footer {
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--neutral-700);
}

.user-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-2);
}

.main-content {
    margin-left: 0;
    transition: margin-left 0.3s ease;
}

/* Admin Modern Theme */
.admin-modern-page {
    background:
        radial-gradient(680px 320px at -10% -5%, rgba(168, 203, 238, 0.24), transparent 62%),
        radial-gradient(760px 360px at 110% -10%, rgba(24, 77, 157, 0.2), transparent 58%),
        #f3f8ff;
    color: #0a2051;
}

.admin-modern-page .sidebar {
    background: linear-gradient(190deg, #0a2051 0%, #184d9d 100%);
    border-right: 1px solid rgba(168, 203, 238, 0.28);
    box-shadow: 12px 0 30px rgba(10, 32, 81, 0.25);
}

.admin-modern-page .dashboard-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid #d9e9fb;
    border-radius: 16px;
    margin: 1rem 1rem 0;
    padding: 1rem 1.2rem;
    box-shadow: 0 12px 30px rgba(24, 77, 157, 0.1);
}

.admin-modern-page .dashboard-main {
    padding: 1rem;
}

.admin-modern-page .dashboard-content,
.admin-modern-page .event-selector,
.admin-modern-page .filters-section,
.admin-modern-page .table-section,
.admin-modern-page .batch-actions,
.admin-modern-page .kpi-cards,
.admin-modern-page .quick-search-section,
.admin-modern-page .chart-section,
.admin-modern-page .recent-confirmations,
.admin-modern-page #events-section {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #d9e9fb;
    border-radius: 18px;
    box-shadow: 0 16px 36px rgba(24, 77, 157, 0.1);
    padding: 1rem;
    margin-bottom: 1rem;
}

.admin-modern-page .dashboard-content {
    border-radius: 20px;
}

.admin-modern-page .table-section {
    background: #fff;
    border-radius: 14px;
    padding: 0.9rem;
    box-shadow: 0 8px 20px rgba(24, 77, 157, 0.06);
}

.admin-modern-page .table-container,
.admin-modern-page .event-card {
    border: 1px solid #d9e9fb;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 8px 20px rgba(24, 77, 157, 0.06);
}

.admin-modern-page .kpi-card {
    border: 1px solid #d9e9fb;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 10px 24px rgba(24, 77, 157, 0.07);
}

.admin-modern-page .kpi-icon {
    background: linear-gradient(135deg, #eef5ff, #d9e9fb);
    border: 1px solid #c7ddf8;
    border-radius: 12px;
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.admin-modern-page .page-header h2,
.admin-modern-page .dashboard-header h1 {
    color: #0a2051;
}

.admin-modern-page .data-table thead th {
    background: #eef5ff;
    color: #184d9d;
    border-bottom: 1px solid #d9e9fb;
}

.admin-modern-page .data-table tbody tr:hover {
    background: #f6faff;
}

.admin-modern-page .input,
.admin-modern-page textarea.input {
    border-color: #c7ddf8;
}

.admin-modern-page .input:focus,
.admin-modern-page textarea.input:focus {
    border-color: #2e81c7;
    box-shadow: 0 0 0 3px rgba(46, 129, 199, 0.15);
}

.admin-modern-page .modal-content {
    border: 1px solid #d9e9fb;
    box-shadow: 0 28px 55px rgba(10, 32, 81, 0.28);
}

@media (max-width: 900px) {
    .admin-modern-page .dashboard-header {
        margin: 0.8rem 0.8rem 0;
        padding: 0.85rem 0.95rem;
    }

    .admin-modern-page .dashboard-main {
        padding: 0.8rem;
    }

    .admin-modern-page .dashboard-content,
    .admin-modern-page .event-selector,
    .admin-modern-page .filters-section,
    .admin-modern-page .table-section,
    .admin-modern-page .kpi-cards,
    .admin-modern-page .quick-search-section,
    .admin-modern-page .chart-section,
    .admin-modern-page .recent-confirmations,
    .admin-modern-page #events-section {
        padding: 0.85rem;
    }
}

/* KPIs */
.kpi-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.kpi-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.kpi-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.kpi-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0 0 var(--spacing-1) 0;
}

.kpi-content p {
    font-size: var(--font-size-sm);
    color: var(--neutral-600);
    margin: 0;
}

/* Event Selector */
.event-selector {
    margin-bottom: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.event-selector label {
    font-weight: 500;
    color: var(--neutral-700);
}

.event-selector .input {
    max-width: 300px;
}

/* Quick Search */
.quick-search-section {
    margin-bottom: var(--spacing-6);
}

/* Chart Section */
.chart-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-6);
}

.chart-section h3 {
    margin-bottom: var(--spacing-4);
    color: var(--neutral-900);
}

/* Recent Confirmations */
.recent-confirmations {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
}

.section-header h3 {
    margin: 0;
    color: var(--neutral-900);
}

.table-container {
    overflow-x: auto;
}

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

.data-table thead {
    background-color: var(--neutral-100);
}

.data-table th {
    padding: var(--spacing-3);
    text-align: left;
    font-weight: 600;
    color: var(--neutral-700);
    font-size: var(--font-size-sm);
    border-bottom: 2px solid var(--neutral-200);
}

.data-table td {
    padding: var(--spacing-3);
    border-bottom: 1px solid var(--neutral-200);
    color: var(--neutral-700);
    font-size: var(--font-size-sm);
}

.data-table th.actions-column,
.data-table td.actions-cell {
    width: 1%;
    white-space: nowrap;
}

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

.badge {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.badge-success {
    background-color: var(--success-50);
    color: var(--success-700);
}

.badge-warning {
    background-color: var(--warning-50);
    color: var(--warning-700);
}

.search-results {
    margin-top: var(--spacing-4);
}

.search-result-item {
    padding: var(--spacing-3);
    border-bottom: 1px solid var(--neutral-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.search-result-item strong {
    flex: 1;
    color: var(--neutral-900);
}

/* Responsivo */
@media (min-width: 1024px) {
    .sidebar {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 260px;
    }
    
    .sidebar-toggle {
        display: none;
    }
}

@media (max-width: 1023px) {
    .sidebar-toggle {
        display: block;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar-open {
        transform: translateX(0);
    }
}

@media (max-width: 768px) {
    .admin-modern-page .table-container {
        overflow: visible;
    }

    .admin-modern-page .data-table {
        border-collapse: separate;
        border-spacing: 0 0.6rem;
    }

    .admin-modern-page .data-table thead {
        display: none;
    }

    .admin-modern-page .data-table,
    .admin-modern-page .data-table tbody,
    .admin-modern-page .data-table tr,
    .admin-modern-page .data-table td {
        display: block;
        width: 100%;
    }

    .admin-modern-page .data-table tr {
        border: 1px solid var(--primary-200);
        border-radius: 14px;
        background: #ffffff;
        box-shadow: 0 8px 20px rgba(24, 77, 157, 0.06);
        padding: 0.55rem 0.9rem;
    }

    .admin-modern-page .data-table td {
        border-bottom: 1px solid var(--primary-200);
        padding: 0.8rem 0;
        display: grid;
        grid-template-columns: minmax(96px, 110px) minmax(0, 1fr);
        align-items: start;
        gap: 0.45rem 0.8rem;
        text-align: left;
    }

    .admin-modern-page .data-table td:last-child {
        border-bottom: none;
    }

    .admin-modern-page .table-actions {
        justify-content: flex-end;
        flex-wrap: wrap;
    }

    .admin-modern-page .data-table td::before {
        content: attr(data-label);
        color: var(--primary-800);
        font-weight: 600;
        text-align: left;
        min-width: 0;
    }

    .admin-modern-page .data-table td .btn,
    .admin-modern-page .data-table td .badge,
    .admin-modern-page .data-table td .status-badge,
    .admin-modern-page .data-table td input[type="checkbox"] {
        margin-left: 0;
    }

    .admin-modern-page .data-table td > .status-badge,
    .admin-modern-page .data-table td > .table-actions,
    .admin-modern-page .data-table td > input[type="checkbox"] {
        justify-self: start;
    }

    .admin-modern-page .data-table td.selection-cell {
        grid-template-columns: 1fr auto;
        align-items: center;
    }

    .admin-modern-page .data-table td.selection-cell::before {
        content: 'Selecionar';
    }

    .admin-modern-page .data-table td.actions-cell {
        grid-template-columns: 1fr;
        gap: 0.6rem;
        padding-top: 1rem;
    }

    .admin-modern-page .data-table td.actions-cell::before {
        content: 'Ações';
    }

    .admin-modern-page .table-actions {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 0.55rem;
    }

    .admin-modern-page .gift-list-actions {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }

    .admin-modern-page .confirmacoes-actions {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }

    .admin-modern-page .confirmacoes-actions .btn {
        width: auto;
        max-width: 100%;
        margin-left: 0;
    }

    .admin-modern-page .table-actions .btn-icon {
        width: 2.25rem;
        height: 2.25rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        background: #f3f7fd;
        border: 1px solid #d9e9fb;
        opacity: 1;
    }

    .admin-modern-page .section-header,
    .admin-modern-page .event-selector,
    .admin-modern-page .page-header,
    .admin-modern-page .page-actions,
    .admin-modern-page .filters-section,
    .admin-modern-page .table-header {
        flex-direction: column;
        align-items: stretch;
            width: 100%;
    }

    .admin-modern-page .event-selector .input,
    .admin-modern-page .filters-section .input,
    .admin-modern-page .page-actions .btn,
    .admin-modern-page .section-header .btn,
    .admin-modern-page .table-header .btn {
        width: 100%;
        max-width: 100%;
    }

    .action-mobile-only {
        display: inline-flex;
    }

    .action-desktop-only {
        display: none;
    }
}

@media (max-width: 640px) {
    .convite-page,
    .confirmar-page,
    .lista-presentes-page {
        padding: var(--spacing-3);
    }

    .convite-card,
    .confirmar-card,
    .lista-presentes-card {
        padding: var(--spacing-5);
    }

    .convite-header h1,
    .confirmar-header h1,
    .lista-presentes-header h1 {
        font-size: var(--font-size-2xl) !important;
        line-height: 1.2;
    }

    .convite-actions,
    .confirmar-page .login-form,
    .lista-presentes-header {
        margin-top: var(--spacing-5);
    }

    .acompanhante-item {
        flex-direction: column;
    }

    .btn-remove-acompanhante {
        width: 100%;
        min-width: 100%;
    }

    .lista-presentes-page .itens-grid {
        grid-template-columns: 1fr;
    }

    .modal {
        padding: var(--spacing-3);
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-4);
    }

    .modal-footer {
        flex-direction: column-reverse;
    }

    .modal-footer .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .dashboard-header {
        padding: var(--spacing-3);
    }

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

    .admin-modern-page .dashboard-main {
        padding: var(--spacing-3);
    }

    .admin-modern-page .dashboard-content,
    .admin-modern-page .table-section,
    .admin-modern-page .event-selector,
    .admin-modern-page .filters-section,
    .admin-modern-page .recent-confirmations,
    .admin-modern-page #events-section {
        padding: var(--spacing-3);
    }

    .admin-modern-page .data-table td {
        font-size: var(--font-size-xs);
    }

    .admin-modern-page .data-table td::before {
        width: 100%;
        margin-bottom: 0.2rem;
    }

    .convite-footer-content {
        padding: var(--spacing-5) var(--spacing-3);
    }

    .convite-footer-link {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .floating-circle,
    .btn,
    .btn::before,
    .event-card,
    .convidado-card,
    .kpi-card,
    .toast {
        animation: none !important;
        transition: none !important;
    }
}

@media (prefers-contrast: more) {
    .btn,
    .input,
    .modal-content,
    .data-table tr,
    .convite-footer-link {
        border-width: 2px;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    [tabindex]:focus-visible {
        outline-width: 4px;
    }
}

/* Toast Container */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    max-width: 400px;
}

.toast {
    background: white;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s ease;
}

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

.toast-message {
    flex: 1;
    color: var(--neutral-700);
    white-space: pre-line; /* Permite quebras de linha */
    word-wrap: break-word; /* Quebra palavras longas */
    max-width: 400px; /* Limita largura para melhor leitura */
}

.toast-close {
    background: none;
    border: none;
    font-size: var(--font-size-lg);
    cursor: pointer;
    color: var(--neutral-500);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    color: var(--neutral-900);
}

.toast-info {
    border-left: 4px solid var(--info-500);
}

.toast-success {
    border-left: 4px solid var(--success-500);
}

.toast-error {
    border-left: 4px solid var(--error-500);
}

.toast-warning {
    border-left: 4px solid var(--warning-500);
}

/* Batch Actions */
.batch-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4);
    background: var(--accent-50);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-4);
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

.batch-info {
    font-weight: 500;
    color: var(--neutral-700);
}

.batch-buttons {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

/* Table Actions */
.table-actions {
    display: flex;
    gap: var(--spacing-2);
    justify-content: center;
    white-space: nowrap;
}

.gift-list-actions {
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
}

.confirmacoes-actions {
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
}

.gift-list-actions .btn-icon {
    width: 2.25rem;
    height: 2.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #f3f7fd;
    border: 1px solid #d9e9fb;
    opacity: 1;
}

.action-mobile-only {
    display: none;
}

.action-desktop-only {
    display: inline-flex;
}

.actions-cell {
    width: 100%;
}

@media (max-width: 768px) {
    .admin-modern-page .action-mobile-only {
        display: inline-flex;
    }

    .admin-modern-page .action-desktop-only {
        display: none;
    }
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
    padding: var(--spacing-3);
    background: var(--neutral-50);
    border-radius: var(--border-radius-md);
}

.table-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-md);
}

/* Pagination */
.pagination-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--neutral-200);
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

.pagination-info {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.pagination-page {
    font-size: var(--font-size-sm);
    color: var(--neutral-700);
    padding: 0 var(--spacing-2);
}

/* Detail Row */
.detail-row {
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--neutral-200);
}

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

.detail-row strong {
    display: inline-block;
    width: 150px;
    color: var(--neutral-700);
}

/* Events Section */
.events-section {
    margin-top: var(--spacing-6);
}

/* QR Code Styles */
.qrcode-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background: var(--neutral-50);
    border-radius: var(--border-radius-lg);
}

.qrcode-container canvas {
    border: 4px solid white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    background: white;
}

.qrcode-container h3 {
    margin: 0;
    color: var(--neutral-900);
    font-size: var(--font-size-lg);
}

/* Public Pages Animations */
.convite-card,
.confirmar-card {
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-icon {
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

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

/* Landing Page */
.landing-page {
    background: white;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-600) 100%);
    color: white;
    padding: var(--spacing-12) var(--spacing-4);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.hero-content {
    animation: fadeInLeft 0.8s ease;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-6);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    opacity: 0.95;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease;
}

.hero-illustration {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    max-width: 400px;
}

.illustration-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    font-size: 4rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.illustration-card:hover {
    transform: translateY(-5px);
}

/* Sections */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-4);
    color: var(--neutral-900);
}

.section-subtitle {
    text-align: center;
    color: var(--neutral-600);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-12);
}

/* Features Section */
.features-section {
    padding: var(--spacing-12) var(--spacing-4);
    background: var(--neutral-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

.feature-card {
    background: white;
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-4);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    color: var(--neutral-900);
}

.feature-card p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works-section {
    padding: var(--spacing-12) var(--spacing-4);
    background: white;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    max-width: 1000px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    gap: var(--spacing-4);
    opacity: 0;
    transform: translateY(20px);
}

.step-item.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-600));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: var(--neutral-900);
}

.step-content p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Benefits Section */
.benefits-section {
    padding: var(--spacing-12) var(--spacing-4);
    background: var(--neutral-50);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
}

.benefit-item {
    text-align: center;
    padding: var(--spacing-6);
    opacity: 0;
    transform: translateY(20px);
}

.benefit-item.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-4);
}

.benefit-item h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    color: var(--neutral-900);
}

.benefit-item p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-12) var(--spacing-4);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-600) 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--neutral-900);
    color: var(--neutral-300);
    padding: var(--spacing-12) var(--spacing-4) var(--spacing-6);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-section h4 {
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.footer-section p {
    line-height: 1.6;
    margin-bottom: var(--spacing-2);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-2);
}

.footer-section a {
    color: var(--neutral-300);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--neutral-800);
    color: var(--neutral-500);
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Form Error */
.form-error {
    background-color: var(--error-50);
    border: 1px solid var(--error-500);
    color: var(--error-700);
    padding: var(--spacing-4);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.error-message {
    color: var(--error-600);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
    display: none;
}

/* Login Page Improvements */
.login-page {
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--accent-100) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
}

.login-container {
    width: 100%;
    max-width: 450px;
}

.login-card {
    background: white;
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.5s ease;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: var(--spacing-2);
}

.login-header p {
    color: var(--neutral-600);
    font-size: var(--font-size-base);
}

.login-footer {
    margin-top: var(--spacing-6);
    text-align: center;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--neutral-200);
}

.login-footer p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-2);
}

.login-footer a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color 0.2s ease;
}

.login-footer a:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-content h2 {
        font-size: var(--font-size-2xl);
    }
    
    .login-card {
        padding: var(--spacing-6);
    }
}

/* Micro-interações e Melhorias */
.btn {
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

/* Input Success State */
.input-success {
    border-color: var(--success-500) !important;
}

.input-success:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

/* Search Loading State */
.searching {
    position: relative;
}

.searching::after {
    content: '';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-300);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Transições Suaves */
.card,
.kpi-card,
.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover,
.kpi-card:hover,
.feature-card:hover {
    transform: translateY(-2px);
}

/* Loading States Melhorados */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(2px);
}

.loading-overlay .spinner {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--neutral-200) 25%, var(--neutral-100) 50%, var(--neutral-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius-md);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Acessibilidade - Focus States */
*:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Skip Link para Acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-600);
    color: white;
    padding: var(--spacing-2) var(--spacing-4);
    text-decoration: none;
    z-index: 10001;
}

.skip-link:focus {
    top: 0;
}

/* Animações de Confirmação */
.confirmation-animation {
    animation: confirmationPulse 0.6s ease;
}

@keyframes confirmationPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--neutral-900);
    color: white;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    margin-bottom: var(--spacing-2);
}

.tooltip:hover::after {
    opacity: 1;
}

/* Empty State Melhorado */
.empty-state {
    text-align: center;
    padding: var(--spacing-12);
    color: var(--neutral-600);
}

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

.empty-state h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2);
    color: var(--neutral-700);
}

.empty-state p {
    margin-bottom: var(--spacing-4);
}