/* Cores principais do SumaTube */
:root {
    --suma-red: #cc0000;
    --suma-light-red: #e60000;
    --suma-dark-red: #990000;
    --suma-beige: #f5f5dc;
    --suma-light-gray: #f8f8f8;
    --suma-gray: #e0e0e0;
    --suma-dark-gray: #606060;
    --suma-black: #212121;
}

/* Estilos Gerais */
html, body {
    height: 100%;
    font-family: 'Roboto', 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--suma-light-gray);
    color: var(--suma-black);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.hide-body {
    display: none;
}

/* Barra de Navegação */
#nav-bar {
    background-color: var(--suma-red) !important;
    padding: 0.5rem 1rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
}

.navbar-nav .nav-item {
    margin: 0 5px;
}

    .navbar-nav .nav-item.active {
        background-color: rgba(255, 255, 255, 0.2);
        border-radius: 4px;
    }

.navbar-nav .nav-link {
    padding: 8px 16px !important;
    border-radius: 3px;
    transition: all 0.2s ease;
}

    .navbar-nav .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    .navbar-nav .nav-link.text-black {
        color: white !important;
        font-weight: 500;
    }

/* Conteúdo principal */
main {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}

.container {
    padding: 20px 15px;
    max-width: 1280px;
}

/* Footer */
.footer {
    flex-shrink: 0;
    background-color: var(--suma-beige);
    color: var(--suma-dark-gray);
    padding: 20px 0;
    width: 100%;
    margin-top: auto;
}

/* Login container */
.login-container {
    max-width: 500px;
    margin: 60px auto;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
}

/* Seção de hero banner */
.hero-banner {
    background: linear-gradient(135deg, var(--suma-red), var(--suma-dark-red));
    color: white;
    padding: 2.5rem 0;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

    .hero-banner::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -50%;
        width: 60%;
        height: 200%;
        background: rgba(255, 255, 255, 0.1);
        transform: rotate(-15deg);
        pointer-events: none;
    }

    .hero-banner h1 {
        font-weight: 700;
        font-size: 2.2rem;
        margin-bottom: 1rem;
        text-shadow: 0 2px 3px rgba(0, 0, 0, 0.2);
    }

    .hero-banner .lead {
        font-size: 1.15rem;
        font-weight: 300;
        margin-bottom: 1.5rem;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    }

/* Botões */
.btn-primary, .btn-red {
    background-color: var(--suma-red) !important;
    border-color: var(--suma-dark-red) !important;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

    .btn-primary:hover, .btn-red:hover {
        background-color: var(--suma-light-red) !important;
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

.btn-hero {
    background-color: white;
    color: var(--suma-red);
    border: none;
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

    .btn-hero:hover {
        transform: translateY(-2px);
        background-color: #f8f8f8;
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
        color: var(--suma-dark-red);
    }

/* Responsividade */
@media (max-width: 768px) {
    .hero-banner {
        padding: 2rem 0;
        text-align: center;
    }

        .hero-banner h1 {
            font-size: 1.8rem;
        }

    .btn-hero {
        display: block;
        width: 100%;
    }
}

/* Animações */
.pulse {
    animation: pulse 0.5s ease-in-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

/* Efeito de loading */
.loading {
    position: fixed;
    z-index: 9999;
    height: 2em;
    width: 2em;
    overflow: show;
    margin: auto;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

    .loading:before {
        content: '';
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(245, 245, 220, 0.7);
    }

    .loading:not(:required):after {
        content: '';
        display: block;
        font-size: 10px;
        width: 1em;
        height: 1em;
        margin-top: -0.5em;
        animation: spinner 1500ms infinite linear;
        border-radius: 0.5em;
        box-shadow: rgba(204, 0, 0, 0.75) 1.5em 0 0 0, rgba(204, 0, 0, 0.75) 1.1em 1.1em 0 0, rgba(204, 0, 0, 0.75) 0 1.5em 0 0, rgba(204, 0, 0, 0.75) -1.1em 1.1em 0 0, rgba(204, 0, 0, 0.75) -1.5em 0 0 0, rgba(204, 0, 0, 0.75) -1.1em -1.1em 0 0, rgba(204, 0, 0, 0.75) 0 -1.5em 0 0, rgba(204, 0, 0, 0.75) 1.1em -1.1em 0 0;
    }

/* Animação do spinner */
@keyframes spinner {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}