/* Importando fontes limpas e tecnológicas */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Share+Tech+Mono&display=swap');

:root {
    --bg-base: #0b0c10;
    --card-bg: rgba(31, 40, 51, 0.85);
    --card-border: rgba(255, 255, 255, 0.05);
    --v4-color: #00e5ff; /* Ciano Brilhante */
    --v6-color: #39ff14; /* Verde Neon */
    --text-main: #ffffff;
    --text-muted: #8a9ba8;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: 'Rajdhani', sans-serif;
    min-height: 100vh;
    margin: 0;
    /* Adiciona padding na base para que o conteúdo não fique escondido sob o rodapé fixo */
    padding-bottom: 70px; 
    position: relative;
}

/* Fundo limpo com padrão muito sutil */
.bg-animation {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: radial-gradient(circle at 50% 0%, #1a222c 0%, var(--bg-base) 70%);
    z-index: -1;
}

.main-content {
    padding-top: 30px;
    position: relative;
    z-index: 1;
}

/* Cabeçalho */
.header-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}
.header-title {
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 5px;
    color: var(--text-main);
}
.header-subtitle {
    color: var(--text-muted);
    font-size: 1.2rem;
    letter-spacing: 1px;
}

/* CARDS Responsivos e Legíveis */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 30px 25px;
    height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

.glass-card:hover { transform: translateY(-3px); }

.card-header-custom i {
    font-size: 2.2rem;
    margin-bottom: 10px;
}
.card-header-custom h3 {
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--text-main);
}

.v4-color { color: var(--v4-color); text-shadow: 0 0 8px rgba(0, 229, 255, 0.4); }
.v6-color { color: var(--v6-color); text-shadow: 0 0 8px rgba(57, 255, 20, 0.4); }

/* Display de IP destacado (Fonte Monoespaçada) */
.ip-display {
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 25px;
    word-break: break-all;
    background: rgba(0,0,0,0.4);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
}

/* Grid de Informações - Alto Contraste */
.info-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
    background: rgba(255,255,255,0.03);
    border-radius: 6px;
    border-left: 3px solid transparent;
}
.card-v4 .info-item { border-left-color: var(--v4-color); }
.card-v6 .info-item { border-left-color: var(--v6-color); }

.info-label {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.info-value {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-main);
    text-align: right;
    max-width: 60%;
    word-break: break-word;
}

/* Estado de Erro para IPv6 */
.error-state {
    color: #ff3366;
    padding: 15px;
    background: rgba(255, 51, 102, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 51, 102, 0.2);
}
.error-state i { font-size: 1.8rem; margin-bottom: 8px; }
.error-state p { margin: 0; font-size: 1.1rem; font-weight: 500; color: #ff99aa; }

/* Loader Centralizado */
.loader {
    width: 45px; height: 45px;
    border: 3px solid rgba(255,255,255,0.05);
    border-radius: 50%;
    margin: 40px auto;
    animation: spin 1s linear infinite;
}
.v4-loader { border-top-color: var(--v4-color); }
.v6-loader { border-top-color: var(--v6-color); }

@keyframes spin { 100% { transform: rotate(360deg); } }
.content-fade { animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* =========================================
   RODAPÉ FIXO E CENTRALIZADO
========================================= */
.fixed-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 45px; /* Bem fininho */
    background: rgba(11, 12, 16, 0.98); /* Cor sólida para garantir a leitura */
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: center; /* CENTRALIZA OS ELEMENTOS HORIZONTALMENTE */
    align-items: center;     /* CENTRALIZA OS ELEMENTOS VERTICALMENTE */
    z-index: 9999;
    font-size: 1rem;
    gap: 15px; /* Espaço entre o texto e a versão */
    box-shadow: 0 -4px 15px rgba(0,0,0,0.5);
}

.footer-text {
    color: var(--text-muted);
}
.footer-text a {
    color: var(--v4-color);
    text-decoration: none;
    font-weight: 700;
    transition: all 0.2s;
}
.footer-text a:hover {
    color: #ffffff;
    text-shadow: 0 0 8px var(--v4-color);
}
.footer-separator {
    color: var(--text-muted);
    opacity: 0.5;
}
.footer-version {
    color: var(--v6-color);
    background: rgba(57, 255, 20, 0.08);
    padding: 2px 10px;
    border-radius: 4px;
    border: 1px solid rgba(57, 255, 20, 0.2);
    font-family: 'Share Tech Mono', monospace;
    font-weight: bold;
}

/* Ajustes para Telas de Celulares */
@media (max-width: 768px) {
    .ip-display { font-size: 1.3rem; }
    .info-item { flex-direction: column; align-items: flex-start; gap: 4px; }
    .info-value { text-align: left; max-width: 100%; }
    
    /* Adaptação do Rodapé no Celular */
    .fixed-footer { 
        height: auto; 
        padding: 10px 5px; 
        flex-direction: column; /* Coloca um em cima do outro se faltar espaço */
        gap: 5px; 
    }
    .footer-separator { display: none; }
}