:root {
    /* Material Design 3 Dark Mode Palette - Deep Purple Theme */
    --md-sys-color-primary: #D0BCFF;
    --md-sys-color-on-primary: #381E72;
    --md-sys-color-primary-container: #4F378B;
    --md-sys-color-on-primary-container: #EADDFF;
    --md-sys-color-secondary: #CCC2DC;
    --md-sys-color-on-secondary: #332D41;
    --md-sys-color-secondary-container: #4A4458;
    --md-sys-color-on-secondary-container: #E8DEF8;
    --md-sys-color-surface: #1C1B1F;
    --md-sys-color-on-surface: #E6E1E5;
    --md-sys-color-surface-variant: #49454F;
    --md-sys-color-on-surface-variant: #CAC4D0;
    --md-sys-color-outline: #938F99;
    --md-sys-color-background: #141218;

    /* Modern UI Props */
    --glass-background: rgba(28, 27, 31, 0.8);
    --glass-border: rgba(208, 188, 255, 0.1);
    --transition-standard: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background: radial-gradient(circle at center, #1e1b2e 0%, #0d0c12 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--md-sys-color-on-surface);
}

/* Texture overlay */
body::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url("img/Ruido.png");
    opacity: 0.03;
    z-index: -1;
    pointer-events: none;
}

.container {
    width: 90%;
    max-width: 600px;
    /* Narrower for centering */
    min-height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--glass-background);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 32px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
    padding: 3rem 2rem;
    text-align: center;
}

.container__conteudo {
    width: 100%;
    display: flex;
    justify-content: center;
}

.container__informacoes {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.container__texto {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--md-sys-color-primary);
    margin-bottom: 0.5rem;
}

.container__texto-accent {
    color: var(--md-sys-color-on-primary-container);
    display: block;
}

.container__campos {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.container__campo {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.texto__paragrafo {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.95rem;
    font-weight: 500;
    margin-left: 4px;
}

.container__input {
    width: 100%;
    height: 56px;
    border-radius: 16px;
    background-color: var(--md-sys-color-surface-variant);
    border: 1px solid var(--md-sys-color-outline);
    color: var(--md-sys-color-on-surface);
    padding: 0 1.25rem;
    font-size: 1.25rem;
    font-weight: 600;
    transition: var(--transition-standard);
}

.container__input:focus {
    outline: none;
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 0 2px rgba(208, 188, 255, 0.2);
    background-color: #2b2930;
}

.container__input::placeholder {
    color: var(--md-sys-color-outline);
    font-weight: 400;
}

.container__botoes {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.container__botao-habilitado {
    border-radius: 100px;
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: var(--transition-standard);
    flex: 1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.container__botao-habilitado:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.container__botao-desabilitado {
    border-radius: 100px;
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-surface-variant);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    cursor: not-allowed;
    flex: 1;
    opacity: 0.6;
}

#resultado {
    margin-top: 0.5rem;
    padding: 1.5rem;
    border-radius: 20px;
    color: var(--md-sys-color-on-primary-container);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(208, 188, 255, 0.1);
}

#resultado .texto__paragrafo {
    color: var(--md-sys-color-on-primary-container);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

@media screen and (max-width: 480px) {
    .container {
        padding: 2rem 1.5rem;
        width: 95%;
    }

    h1 {
        font-size: 2.25rem;
    }

    .container__botoes {
        flex-direction: column;
    }
}