:root {
    --cor-primaria: #2D6A4F;
    --cor-primaria-escura: #1B4332;
    --cor-primaria-clara: #52B788;
    --cor-secundaria: #E76F51;
    --cor-secundaria-escura: #D35400;
    --cor-fundo: #FEFAE0;
    --cor-fundo-card: #FFFFFF;
    --cor-texto: #264653;
    --cor-texto-claro: #6C757D;
    --cor-borda: #E9ECEF;
    --sombra: 0 4px 20px rgba(0, 0, 0, 0.08);
    --raio: 16px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Decoração tropical */
body::before {
    content: '';
    position: fixed;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath fill='%232D6A4F' fill-opacity='0.08' d='M50 0 C60 20 80 30 100 40 C80 45 70 60 60 80 C55 60 40 50 20 40 C40 35 45 20 50 0Z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
    z-index: -1;
}

body::after {
    content: '';
    position: fixed;
    bottom: -30px;
    left: -30px;
    width: 180px;
    height: 180px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath fill='%23E76F51' fill-opacity='0.06' d='M30 10 C50 5 70 15 85 30 C75 35 70 50 75 70 C60 60 40 65 25 75 C30 55 20 40 10 30 C15 20 22 12 30 10Z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
    z-index: -1;
}

.container {
    width: 100%;
    max-width: 540px;
    margin: 0 auto;
    padding: 24px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card {
    background: var(--cor-fundo-card);
    border-radius: var(--raio);
    box-shadow: var(--sombra);
    padding: 32px 24px;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--cor-primaria), var(--cor-primaria-clara), var(--cor-secundaria));
}

.header-imagem {
    width: 100%;
    max-height: 180px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 24px;
}

.titulo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--cor-primaria-escura);
    text-align: center;
    margin-bottom: 8px;
}

.subtitulo {
    font-size: 1rem;
    color: var(--cor-texto-claro);
    text-align: center;
    margin-bottom: 24px;
}

.saudacao {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--cor-primaria);
    margin-bottom: 16px;
    text-align: center;
}

.mensagem {
    font-size: 1rem;
    color: var(--cor-texto);
    margin-bottom: 20px;
    text-align: center;
}

.lista-convidados {
    list-style: none;
    margin: 20px 0;
    padding: 0;
}

.lista-convidados li {
    padding: 12px 16px;
    background: #F8F9FA;
    border-radius: 10px;
    margin-bottom: 10px;
    border-left: 4px solid var(--cor-primaria-clara);
    font-weight: 500;
}

/* Botões de rádio estilizados */
.opcoes {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 24px 0;
}

.opcao {
    position: relative;
}

.opcao input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.opcao label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border: 2px solid var(--cor-borda);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #FFF;
}

.opcao label:hover {
    border-color: var(--cor-primaria-clara);
    background: #F0FDF4;
}

.opcao input[type="radio"]:checked + label {
    border-color: var(--cor-primaria);
    background: #F0FDF4;
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.opcao-icone {
    width: 24px;
    height: 24px;
    border: 2px solid var(--cor-texto-claro);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.opcao input[type="radio"]:checked + label .opcao-icone {
    border-color: var(--cor-primaria);
    background: var(--cor-primaria);
}

.opcao-icone::after {
    content: '';
    width: 10px;
    height: 10px;
    background: #FFF;
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.2s ease;
}

.opcao input[type="radio"]:checked + label .opcao-icone::after {
    transform: scale(1);
}

.opcao-texto {
    font-weight: 500;
}

/* Checkboxes */
.checkboxes {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 16px 0 24px;
    padding: 16px;
    background: #FFF9F0;
    border-radius: 12px;
    border: 1px dashed var(--cor-secundaria);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.checkbox-item:hover {
    background: #FFF0E0;
}

.checkbox-item input[type="checkbox"] {
    width: 22px;
    height: 22px;
    accent-color: var(--cor-secundaria);
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-item span {
    font-size: 1rem;
}

.ajuda-checkbox {
    font-size: 0.85rem;
    color: var(--cor-secundaria-escura);
    margin-bottom: 12px;
    font-style: italic;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primario {
    background: var(--cor-primaria);
    color: #FFF;
}

.btn-primario:hover {
    background: var(--cor-primaria-escura);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(45, 106, 79, 0.3);
}

.btn-secundario {
    background: var(--cor-secundaria);
    color: #FFF;
}

.btn-secundario:hover {
    background: var(--cor-secundaria-escura);
}

.btn-outline {
    background: transparent;
    color: var(--cor-primaria);
    border: 2px solid var(--cor-primaria);
}

.btn-outline:hover {
    background: var(--cor-primaria);
    color: #FFF;
}

.grupo-botoes {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

/* Formulário home */
.form-codigo {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 16px;
}

.campo {
    padding: 16px;
    border: 2px solid var(--cor-borda);
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.campo:focus {
    outline: none;
    border-color: var(--cor-primaria);
}

/* Formulários Django */
form p {
    margin-bottom: 16px;
}

form p label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--cor-texto);
}

form p .helptext {
    display: block;
    font-size: 0.85rem;
    color: var(--cor-texto-claro);
    margin-top: 4px;
}

form ul.errorlist {
    list-style: none;
    color: #991B1B;
    background: #FEE2E2;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

/* Mensagens */
.mensagem-erro {
    background: #FEE2E2;
    color: #991B1B;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.mensagem-aviso {
    background: #FFF7ED;
    border-left: 4px solid var(--cor-secundaria);
    padding: 16px;
    border-radius: 0 10px 10px 0;
    margin-top: 24px;
    font-size: 0.95rem;
    color: var(--cor-texto);
}

.mensagem-sucesso {
    text-align: center;
    padding: 24px 0;
}

.icone-sucesso {
    font-size: 4rem;
    margin-bottom: 16px;
}

/* Rodapé */
.rodape {
    text-align: center;
    padding: 20px;
    font-size: 0.8rem;
    color: var(--cor-texto-claro);
}

/* Admin link discreto */
.admin-link {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-size: 0.7rem;
    color: var(--cor-texto-claro);
    text-decoration: none;
    opacity: 0.5;
}

.admin-link:hover {
    opacity: 1;
}

/* Responsivo */
@media (max-width: 480px) {
    .container {
        padding: 16px 12px;
    }

    .card {
        padding: 24px 16px;
    }

    .titulo {
        font-size: 1.4rem;
    }
}

/* Utilitários */
.escondido {
    display: none !important;
}

.texto-centralizado {
    text-align: center;
}

.mt-16 {
    margin-top: 16px;
}

.mb-16 {
    margin-bottom: 16px;
}