:root {
    --bg-color: #050914;
    --card-bg: rgba(20, 25, 40, 0.6);
    --card-border: rgba(255, 255, 255, 0.05);
    --text-color: #f8fafc;
    --accent-color: #00f0ff;
    --accent-glow: rgba(0, 240, 255, 0.5);
    --private-color: #ff0055;
    --card-hover: rgba(255, 255, 255, 0.03);
}

* {
    margin: 0; padding: 0; box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Fondo animado Cyberpunk/Moderno */
.glow-bg {
    position: fixed;
    top: -50%; left: -50%;
    width: 200vw; height: 200vw;
    background: radial-gradient(circle at 50% 50%, rgba(0,240,255,0.05) 0%, rgba(5,9,20,1) 50%);
    z-index: -1;
    pointer-events: none;
}

/* Bento Grid System */
.bento-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(150px, auto);
    gap: 1.5rem;
    max-width: 1200px;
    width: 100%;
    margin-top: 2rem;
}

/* Tarjetas (Mouse Glow Effect Base) */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    display: flex;
}

/* El efecto de la linterna del ratón */
.card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(255,255,255,0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
    pointer-events: none;
}
.card:hover::before { opacity: 1; }

.card-content {
    padding: 2rem;
    z-index: 2;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    align-items: center;
    text-align: center;
}

.card:hover { transform: translateY(-3px); }
.card.public:hover { border-color: var(--accent-color); box-shadow: 0 0 20px rgba(0, 240, 255, 0.2); }
.card.private:hover { border-color: var(--private-color); box-shadow: 0 0 20px rgba(255, 0, 85, 0.2); }

/* Tamaños Bento */
.bento-hero { grid-column: span 4; grid-row: span 2; }
.bento-skill { grid-column: span 1; grid-row: span 1; }

/* Responsive */
@media (max-width: 1024px) { .bento-container { grid-template-columns: repeat(2, 1fr); } .bento-hero { grid-column: span 2; } }
@media (max-width: 600px) { .bento-container { grid-template-columns: 1fr; } .bento-hero { grid-column: span 1; } }

/* Elementos Internos */
.profile-pic { font-size: 5rem; margin-bottom: 1rem; text-shadow: 0 0 20px var(--accent-glow); }
h1 { font-size: 3rem; margin-bottom: 0.5rem; background: linear-gradient(90deg, #fff, #888); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
h2 { font-size: 1.5rem; color: var(--accent-color); margin-bottom: 1rem; }
.bento-hero p { font-size: 1.1rem; color: #a0aec0; max-width: 700px; margin: 0 auto 2rem auto; line-height: 1.6; }

.icon { font-size: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; font-weight: 600; }
.card-content p { font-size: 0.9rem; color: #94a3b8; line-height: 1.4; flex-grow: 1; }

.btn-primary {
    display: inline-block;
    background: var(--text-color);
    color: var(--bg-color);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    margin-top: 1rem;
}
.btn-primary:hover { background: var(--accent-color); box-shadow: 0 0 20px var(--accent-glow); transform: scale(1.05); }

.badge { display: inline-block; margin-top: 1rem; background: rgba(0, 240, 255, 0.1); color: var(--accent-color); padding: 0.4rem 0.8rem; border-radius: 8px; font-family: monospace; font-size: 0.8rem; border: 1px solid var(--accent-color); }

/* Navegación y Chat */
.top-nav { display: flex; flex-direction: column; align-items: center; margin-bottom: 2rem; width: 100%; max-width: 1200px; padding-top: 2rem; }
.back-btn { align-self: flex-start; color: #94a3b8; text-decoration: none; font-weight: bold; padding: 10px 15px; border-radius: 8px; border: 1px solid var(--card-border); background: var(--card-bg); margin-bottom: 1rem; transition: 0.3s; }
.back-btn:hover { color: var(--accent-color); border-color: var(--accent-color); }

.chat-widget { position: fixed; bottom: 20px; right: 20px; width: 320px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; overflow: hidden; box-shadow: 0 10px 40px rgba(0,0,0,0.8); z-index: 100; backdrop-filter: blur(20px); }
.chat-header { background: var(--accent-color); color: #000; padding: 1rem; font-weight: bold; cursor: pointer; text-align: center; }
.chat-body { display: none; padding: 1.5rem; }
.chat-body.active { display: block; }
input[type="text"], textarea { width: 100%; background: rgba(0,0,0,0.5); border: 1px solid var(--card-border); border-radius: 8px; color: white; padding: 0.5rem; font-family: inherit; margin-bottom: 0.5rem; }
textarea { height: 80px; resize: none; }
input::placeholder, textarea::placeholder { color: #94a3b8; }
button { width: 100%; margin-top: 0.5rem; background: var(--accent-color); color: black; border: none; padding: 0.8rem; border-radius: 8px; font-weight: bold; cursor: pointer; transition: 0.3s; }
button:hover { background: #fff; }
#chat-status { margin-top: 0.5rem; font-size: 0.8rem; text-align: center; }