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

:root {
    --cor-logo: #e63946;
    --cor-secundaria: #efefef;
    --cor-fundo: #ffffff;
    --cor-texto: #333333;
    --cor-borda: #e0e0e0;
}

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

#app {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    flex: 1;
}

header {
    text-align: center;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}

header.center {
    justify-content: center;
}

.logo {
    width: 150px;
    height: 150px;
    animation: logo-entrada 1.5s ease-out;
}

@keyframes logo-entrada {
    0% {
        opacity: 0;
        transform: scale(0.5) rotate(-180deg);
    }
    50% {
        transform: scale(1.1) rotate(10deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

.logo-pulando {
    animation: logo-pulo 2s ease-in-out infinite;
}

@keyframes logo-pulo {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.logo-saindo {
    animation: logo-saida 1s ease-in-out forwards;
}

@keyframes logo-saida {
    0% {
        transform: scale(1) rotate(0deg);
    }
    100% {
        transform: scale(0.8) rotate(360deg);
        opacity: 0;
    }
}

header h1 {
    color: var(--cor-logo);
    margin-top: 4px;
    font-size: 28px;
}

main {
    flex: 1;
}

.menu-inicial {
    text-align: center;
    padding: 18px 20px;
}

.boas-vindas {
    font-size: 18px;
    color: var(--cor-texto);
    margin-bottom: 12px;
}

.texto-ajuda {
    margin-bottom: 12px;
}

.acoes-iniciais {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 12px;
}

.botao-texto {
    background: none;
    border: none;
    color: var(--cor-logo);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    transition: opacity 0.2s ease;
}

.botao-texto:hover {
    opacity: 0.8;
}

.acao-texto {
    color: var(--cor-logo);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 8px;
    display: inline-flex;
    align-items: center;
    transition: opacity 0.2s ease;
}

.acao-texto:hover {
    opacity: 0.8;
}

.pesquisa-area {
    display: flex;
    justify-content: center;
    margin-bottom: 12px;
}

.campo-pesquisa {
    width: 100%;
    max-width: 300px;
    padding: 12px 16px;
    border: 2px solid var(--cor-borda);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.botoes-assunto {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.botao-principal {
    background-color: var(--cor-logo);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 300px;
}

.botao-principal:hover {
    background-color: #d62839;
    transform: scale(1.02);
}

.area-chat {
    background-color: var(--cor-secundaria);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 500px;
    height: calc(100vh - 240px);
    overflow: hidden;
}

.titulo-chat {
    color: var(--cor-logo);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.mensagens {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 12px;
    padding-right: 8px;
    padding-bottom: 32px;
}

.mensagens::-webkit-scrollbar {
    width: 8px;
}

.mensagens::-webkit-scrollbar-track {
    background: #f3d7da;
    border-radius: 8px;
}

.mensagens::-webkit-scrollbar-thumb {
    background: var(--cor-logo);
    border-radius: 8px;
}

.mensagens {
    scrollbar-color: var(--cor-logo) #f3d7da;
    scrollbar-width: thin;
}

.mensagem {
    margin: 10px 0;
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 80%;
    animation: mensagem-entrada 0.3s ease-out;
}

@keyframes mensagem-entrada {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.mensagem-ia {
    background-color: white;
    border-left: 4px solid var(--cor-logo);
    align-self: flex-start;
}

.mensagem-usuario {
    background-color: var(--cor-logo);
    color: white;
    align-self: flex-end;
    margin-left: auto;
}

.input-area {
    display: flex;
    gap: 10px;
    padding: 15px;
    background-color: white;
    border-radius: 12px;
    align-items: center;
    position: sticky;
    bottom: 0;
}

.campo-texto {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--cor-borda);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.botao-enviar {
    background-color: var(--cor-logo);
    color: white;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.botao-enviar:hover {
    transform: scale(1.1);
}

.botao-audio {
    background-color: var(--cor-secundaria);
    color: var(--cor-logo);
    border: 2px solid var(--cor-logo);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.botao-audio:hover {
    background-color: var(--cor-logo);
    color: white;
}

.botao-audio.gravando {
    background-color: var(--cor-logo);
    color: white;
    animation: pulso 1s infinite;
}

@keyframes pulso {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.botoes-escolha {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}

.botao-escolha {
    background-color: var(--cor-logo);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.botao-escolha:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
}

.botoes-final {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 12px 0 4px;
    justify-content: center;
}

.submenu-equipamentos {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.botoes-linha,
.botoes-modelo {
    width: 100%;
    max-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.botao-linha,
.botao-modelo {
    background-color: var(--cor-logo);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    width: 100%;
}

.botao-linha:hover,
.botao-modelo:hover {
    background-color: #d62839;
    transform: scale(1.02);
}

.botao-voltar {
    background-color: var(--cor-secundaria);
    color: var(--cor-logo);
    border: 2px solid var(--cor-logo);
    width: 100%;
    max-width: 300px;
    margin-top: 6px;
}

.botao-voltar:hover {
    background-color: var(--cor-secundaria);
    color: var(--cor-texto);
    border-color: var(--cor-texto);
    transform: scale(1.02);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    padding: 20px;
}

.modal {
    background: var(--cor-fundo);
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 18px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--cor-logo);
}

.modal-body {
    color: var(--cor-texto);
    font-size: 14px;
    line-height: 1.4;
}

.modal-actions {
    display: flex;
    justify-content: center;
}

.modal-fechar {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--cor-logo);
    line-height: 1;
}

.modal-actions .botao-principal {
    width: 100%;
    max-width: 260px;
}

footer {
    text-align: center;
    padding: 20px;
    padding-top: 40px;
    color: #666;
    font-size: 12px;
}

@media (max-width: 600px) {
    .area-chat {
        height: calc(100vh - 200px);
        padding: 16px;
    }

    .mensagens {
        padding-bottom: 24px;
    }

    .input-area {
        padding: 12px;
        gap: 8px;
    }

    .botoes-final {
        flex-direction: column;
        gap: 8px;
        margin-top: 8px;
    }
    
    .logo {
        width: 100px;
        height: 100px;
    }
    
    header h1 {
        font-size: 20px;
    }
}

.tela-login {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.logo-login {
    width: 120px;
    height: 120px;
    margin-bottom: 30px;
    animation: none;
}

.titulo-login {
    color: var(--cor-logo);
    margin-bottom: 40px;
    font-size: 28px;
    text-align: center;
}

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

.login-box {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.login-texto {
    color: var(--cor-texto);
    margin-bottom: 20px;
    font-size: 16px;
}

.campo-senha {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--cor-borda);
    border-radius: 8px;
    font-size: 16px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

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

.botao-login {
    width: 100%;
    padding: 14px 24px;
    background-color: var(--cor-logo);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.botao-login:hover {
    background-color: #d62839;
    transform: scale(1.02);
}

.botao-login:active {
    transform: scale(0.98);
}

.erro-login {
    color: #d32f2f;
    margin-top: 15px;
    font-size: 14px;
    animation: erro-entrada 0.3s ease-out;
}

@keyframes erro-entrada {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.botao-sair {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px 30px;
    background-color: var(--cor-secundaria);
    color: var(--cor-logo);
    border: 2px solid var(--cor-logo);
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 300px;
}

.botao-sair:hover {
    background-color: var(--cor-logo);
    color: white;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f3d7da;
    border-radius: 8px;
}

::-webkit-scrollbar-thumb {
    background: var(--cor-logo);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d62839;
}

::-webkit-scrollbar-corner {
    background: #f3d7da;
}