/* ---- VARIÁVEIS GLOBAIS - TEMA HÍBRIDO ---- */
:root {
    --primary-text-color: #ffffff;
    --secondary-text-color: #c0c0d0;
    --accent-color: #1ECBE1;
    --accent-color-secondary: #E75172;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    --card-hover-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
    --border-radius-card: 20px;
    --border-radius-button: 8px;
    --transition-fast: all 0.3s ease;
    --transition-slow: all 0.3s ease;
}

/* ---- ESTILO BASE COM FUNDO EM GRADIENTE ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Poppins', sans-serif;
    color: var(--primary-text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    overflow-x: hidden;
    background-color: #101018;
    background-image: radial-gradient(circle at 100% 0%, rgba(231, 81, 114, 0.2) 0%, transparent 40%),
                      radial-gradient(circle at 0% 100%, rgba(30, 203, 225, 0.2) 0%, transparent 40%);
    background-attachment: fixed;
}

/* ---- ANIMAÇÕES (Mantidas) ---- */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ---- CONTAINER PRINCIPAL COM EFEITO VIDRO (GLASSMORPHISM) ---- */
.hub-container {
    width: 100%;
    max-width: 1100px;
    text-align: center;
    animation: fadeInUp 0.6s ease-out;
    background: rgba(29, 29, 41, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-card);
    padding: 2.5rem 3rem;
    box-shadow: var(--card-shadow);
}

/* ---- CABEÇALHO ---- */
.hub-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-text-color);
}
.hub-header p { font-size: 1.1rem; color: var(--secondary-text-color); margin-bottom: 3rem; }

.logo {
    max-width: 150px; /* Ajuste o tamanho conforme necessário */
    height: auto;     /* Mantém a proporção */
    margin-bottom: 1.5rem; /* Espaçamento abaixo do logo */
}

/* ---- FORMULÁRIO DE LOGIN ---- */
.login-form { max-width: 400px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }

.login-form input {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--primary-text-color);
    padding: 0.9rem 1.5rem;
    border-radius: var(--border-radius-button);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(30, 203, 225, 0.2);
}

.login-form button {
    background-color: var(--accent-color);
    color: var(--primary-text-color);
    border: none;
    padding: 0.9rem 1rem;
    border-radius: var(--border-radius-button);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.login-form button:hover { background-color: var(--accent-color-secondary); }

.register-link {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--secondary-text-color);
    text-align: center;
}

.register-link a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.register-link a:hover {
    text-decoration: underline;
    color: var(--accent-color-secondary);
}

/* ---- SPINNER DE CARREGAMENTO (Mantido) ---- */
.loader { width: 18px; height: 18px; border: 2px solid var(--primary-text-color); border-bottom-color: transparent; border-radius: 50%; display: none; animation: rotation 1s linear infinite; }
.login-form button.loading .button-text { visibility: hidden; }
.login-form button.loading .loader { display: inline-block; position: absolute; }
@keyframes rotation { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* ---- CABEÇALHO LOGADO E BOTÃO DE LOGOUT ---- */
#hub-content .hub-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
#hub-content .header-content { text-align: left; }

.logout-btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--secondary-text-color);
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius-button);
    font-size: 0.9rem; font-weight: 500; cursor: pointer; transition: var(--transition-fast);
}

.logout-btn:hover { background-color: var(--accent-color-secondary); color: var(--primary-text-color); border-color: var(--accent-color-secondary); transform: scale(1.05); }
.logout-btn:active { transform: scale(0.98); }

/* ---- GRID E CARDS DE PROJETO ---- */
.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; width: 100%; }

.project-card {
    background: rgba(40, 40, 56, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-card);
    padding: 2rem 1.5rem;
    text-decoration: none;
    color: var(--primary-text-color);
    box-shadow: var(--card-shadow);
    /* Transição agora se aplica apenas às propriedades de hover, não mais à animação de entrada */
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    text-align: left;
    opacity: 0; transform: translateY(20px);
}

.project-card.in-view { 
    opacity: 1; 
    transform: translateY(0);
    /* Transição para a animação de entrada */
    transition-property: opacity, transform;
    transition-duration: 0.3s;
    transition-timing-function: ease-out;
}

.project-card:hover { transform: translateY(-10px); box-shadow: var(--card-hover-shadow); border-color: var(--accent-color-secondary); }

.card-icon { margin-bottom: 1.5rem; }

.card-icon i { width: 32px; height: 32px; color: var(--accent-color); }

/* AJUSTE: Animação do ícone no hover foi removida */
/* A regra .project-card:hover .card-icon foi deletada */

.project-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
.project-card p { font-size: 0.95rem; color: var(--secondary-text-color); line-height: 1.6; }

/* ---- OUTROS ---- */
.error-message { color: var(--accent-color-secondary); font-size: 0.9rem; min-height: 20px; text-align: center; }
.hub-footer { margin-top: 4rem; color: var(--secondary-text-color); font-size: 0.9rem; }

/* MELHORIA: Ajustes de Responsividade para Mobile */
@media (max-width: 600px) {
    body { padding: 1rem; }
    .hub-container { padding: 1.5rem; }
    
    .hub-header h1 { font-size: 2.2rem; } /* Fonte menor para caber melhor */
    .hub-header p { font-size: 1rem; margin-bottom: 2rem; }

    /* Centraliza e empilha o cabeçalho quando logado */
    #hub-content .hub-header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
}