/* =========================================
   VARIABLES & TEMAS
========================================= */
:root {
    /* BASE OSCURA (Default) */
    --bg-main: #000000;
    --bg-card: #050505;
    --bg-nav: rgba(0, 0, 0, 0.9); /* Menú negro por defecto */
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --border-color: #333333;
    
    --font-stack: 'Fira Code', 'Courier New', monospace;

    /* TEMA MATRIX (Verde) */
    --accent: #00ff41; 
    --accent-dim: rgba(0, 255, 65, 0.1);
    --hue-rotate: 80deg; 
}

/* ÁMBAR */
[data-theme="amber"] {
    --accent: #ffb000;
    --accent-dim: rgba(255, 176, 0, 0.1);
    --hue-rotate: 30deg;
}

/* --- MODO LUMINOSO (SOLUCIÓN MENU BLANCO) --- */
[data-theme="white"] {
    --bg-main: #f4f4f4;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.95); /* Menú BLANCO */
    --text-primary: #111111;
    --text-secondary: #555555;
    --border-color: #bbbbbb;
    
    --accent: #000000;
    --accent-dim: rgba(0, 0, 0, 0.05);
    --hue-rotate: 0deg;
}

/* =========================================
   ESTILOS GLOBALES
========================================= */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-stack);
    line-height: 1.5;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}
a { text-decoration: none; color: inherit; transition: 0.2s; }
ul { list-style: none; }

/* CRT Effect */
body::before {
    content: " "; display: block; position: fixed; top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%), 
                linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
    z-index: 99999; background-size: 100% 3px, 3px 100%; pointer-events: none; opacity: 0.4;
}
[data-theme="white"] body::before { opacity: 0.1; }

/* Scrollbar */
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--bg-main); border-left: 1px solid var(--border-color); }
::-webkit-scrollbar-thumb { background: var(--border-color); border: 1px solid var(--bg-main); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Reveal Animation */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); filter: blur(5px); }
.reveal.active { opacity: 1; transform: translateY(0); filter: blur(0); }

/* =========================================
   NAV (CORREGIDO)
========================================= */
nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 5%; 
    background-color: var(--bg-nav); /* Usa la variable dinámica */
    border-bottom: 1px solid var(--border-color);
    position: sticky; top: 0; z-index: 1000; 
    backdrop-filter: blur(5px);
    transition: background-color 0.4s ease;
}

.logo { font-weight: 700; font-size: 1.2rem; color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 30px; }
.nav-links { display: flex; gap: 20px; }
.nav-links li a { font-size: 0.9rem; text-transform: uppercase; border-bottom: 2px solid transparent; }
.nav-links li a:hover { color: var(--accent); }
.nav-links li a.active-link { color: var(--accent); border-bottom: 2px solid var(--accent); }

/* Botones de Tema */
.theme-switcher { display: flex; gap: 10px; border-left: 1px solid var(--border-color); padding-left: 20px; }
.theme-btn { width: 15px; height: 15px; border-radius: 50%; cursor: pointer; border: 1px solid #555; transition: 0.2s; }
.theme-btn:hover { transform: scale(1.2); }
.theme-btn.active { border-color: var(--text-primary); transform: scale(1.1); box-shadow: 0 0 5px var(--accent); }

.theme-btn.green { background: #00ff41; }
.theme-btn.amber { background: #ffb000; }
.theme-btn.white { background: #ffffff; border: 1px solid #000; } 

/* =========================================
   INTRO & HERO
========================================= */
#terminal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background-color: var(--bg-main); z-index: 9999; display: flex; justify-content: center; align-items: center; }
#terminal-overlay.fade-out { opacity: 0; visibility: hidden; transition: opacity 0.5s; }
.terminal-window { width: 90%; max-width: 800px; height: 500px; background-color: var(--bg-card); border: 2px solid var(--border-color); display: flex; flex-direction: column; }
.terminal-header { background: #222; padding: 5px 15px; border-bottom: 2px solid #333; }
.title { color: #fff; font-size: 0.8rem; text-transform: uppercase; }
.terminal-body { padding: 20px; color: var(--text-primary); flex-grow: 1; overflow-y: auto; }
.cursor, .blink { color: var(--accent); animation: blink 1s step-end infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
#start-prompt { margin-top: 20px; color: var(--accent); cursor: pointer; border: 1px solid var(--accent); display: inline-block; padding: 5px 10px; }
#start-prompt:hover { background: var(--accent); color: var(--bg-main); }
.hidden { display: none; }

.hero { min-height: 80vh; display: flex; align-items: center; justify-content: center; padding: 0 10%; text-align: center; }
.greeting { color: var(--accent); margin-bottom: 15px; } .greeting::before { content: "root@jonathan:~$ "; color: var(--text-secondary); }
.hero h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 10px; letter-spacing: -2px; }
.hero h2 { font-size: 2rem; color: var(--text-secondary); margin-bottom: 30px; }
.bio-snippet { color: var(--text-secondary); margin-bottom: 40px; }

/* Glitch */
.glitch { position: relative; color: var(--text-primary); }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-main); }
.glitch::before { left: 2px; text-shadow: -1px 0 var(--accent); clip: rect(44px, 450px, 56px, 0); animation: glitch 5s infinite; }
.glitch::after { left: -2px; text-shadow: -1px 0 var(--accent-dim); clip: rect(44px, 450px, 56px, 0); animation: glitch2 5s infinite; }
@keyframes glitch { 0% { clip: rect(31px, 9999px, 9px, 0); } 35%, 100% { clip: rect(0,0,0,0); } }
@keyframes glitch2 { 0% { clip: rect(65px, 9999px, 100px, 0); } 35%, 100% { clip: rect(0,0,0,0); } }

.cta-buttons { display: flex; gap: 20px; justify-content: center; }
.btn { padding: 15px 30px; font-weight: bold; border: 1px solid var(--text-primary); background: transparent; color: var(--text-primary); cursor: pointer; transition: 0.3s; }
.btn:hover { background: var(--text-primary); color: var(--bg-main); }
.btn.primary { border-color: var(--accent); color: var(--accent); } .btn.primary:hover { background: var(--accent); color: var(--bg-main); }
.btn.secondary { border-color: var(--text-secondary); color: var(--text-secondary); } .btn.secondary:hover { background: var(--text-secondary); color: var(--bg-main); }

/* =========================================
   SECCIONES
========================================= */
.container { padding: 100px 10%; border-top: 1px dashed var(--border-color); }
h3 { font-size: 1.5rem; margin-bottom: 40px; color: var(--accent); } h3::before { content: "./"; margin-right: 5px; }

/* About */
.command-line { background: var(--bg-card); border-left: 3px solid var(--accent); padding: 10px; margin-bottom: 20px; }
.command-line .user { color: var(--accent); margin-right: 10px; }
.about-interface { display: grid; grid-template-columns: 280px 1fr; gap: 50px; border: 1px solid var(--border-color); padding: 30px; background: var(--bg-card); }
.profile-frame-about { width: 100%; border: 2px solid var(--accent); padding: 5px; box-shadow: 0 0 15px var(--accent-dim); position: relative; }
.profile-img { width: 100%; display: block; filter: grayscale(100%) sepia(100%) hue-rotate(var(--hue-rotate)) saturate(300%) contrast(1.2); opacity: 0.9; }
.img-caption { font-size: 0.8rem; color: var(--text-secondary); text-align: center; margin-top: 5px; }
.scan-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: repeating-linear-gradient(transparent 0px, transparent 2px, rgba(0,0,0,0.1) 3px); pointer-events: none; z-index: 2; }
.scan-overlay::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 5px; background: var(--accent); box-shadow: 0 0 15px var(--accent); opacity: 0.6; animation: scanning 3s linear infinite; }
@keyframes scanning { 0% { top: 0%; opacity: 0; } 100% { top: 100%; opacity: 0; } }

.json-data { font-size: 0.95rem; line-height: 1.8; }
.indent { margin-left: 30px; border-left: 1px dashed var(--border-color); padding-left: 15px; }
.bracket { color: #ffd700; } 
.key { color: #569cd6; } [data-theme="white"] .key { color: #0000ff; }
.str { color: #ce9178; } [data-theme="white"] .str { color: #a31515; }
.bool { color: #4ec9b0; }

/* Skills */
.skills-terminal-layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.terminal-box { border: 1px solid var(--border-color); background: var(--bg-card); padding-bottom: 20px; }
.box-header { background: #222; padding: 5px 10px; margin-bottom: 15px; color: #aaa; font-size: 0.8rem; }
.skill-item { display: grid; grid-template-columns: 100px 1fr 50px; align-items: center; gap: 15px; padding: 0 15px 12px; font-size: 0.9rem; }
.ascii-bar { height: 14px; background: rgba(0,0,0,0.1); position: relative; border: 1px solid var(--border-color); }
.ascii-bar::after { content: ""; position: absolute; top: 2px; left: 2px; bottom: 2px; width: 0; transition: width 1.5s ease-out; background: var(--text-secondary); background-image: linear-gradient(90deg, transparent 50%, rgba(0,0,0,0.1) 50%); background-size: 4px 100%; }
.reveal.active .ascii-bar::after { width: calc(var(--w) - 4px); }
.skill-status { color: var(--accent); font-size: 0.8rem; text-align: right; }
.skill-item:hover .ascii-bar::after { background: var(--accent); }
.sys-info { text-align: right; margin-top: 20px; color: var(--text-secondary); font-size: 0.8rem; border-top: 1px dashed var(--border-color); padding-top: 10px; }

/* Proyectos (LINKS) */
.projects-table { border: 1px solid var(--border-color); background: var(--bg-card); padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.table-header, .table-row { display: grid; grid-template-columns: 120px 80px 80px 1fr; gap: 10px; }
.table-header { border-bottom: 2px solid var(--border-color); font-weight: bold; color: var(--text-secondary); padding-bottom: 10px; font-size: 0.8rem; }
.table-row { align-items: center; border-bottom: 1px dotted var(--border-color); padding: 5px 0; font-size: 0.9rem; }
.table-row:hover { background: var(--accent-dim); }
.col-perm { color: #569cd6; } [data-theme="white"] .col-perm { color: #0000ff; }
.col-user { color: #ce9178; } [data-theme="white"] .col-user { color: #a31515; }
.col-date { color: #6a9955; } [data-theme="white"] .col-date { color: #008000; }
/* Estilo para los enlaces de proyectos */
.col-name { color: var(--text-primary); font-weight: bold; border-bottom: 1px dashed transparent; transition: 0.2s; } 
.col-name:hover { color: var(--accent); border-bottom-color: var(--accent); cursor: pointer; }
.tag { font-size: 0.7rem; border: 1px solid var(--border-color); padding: 2px 6px; color: var(--text-secondary); margin-left: 5px; }

/* Contacto & Socials */
.contact-interface { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-data { background: var(--bg-card); padding: 20px; border: 1px solid var(--border-color); }
.terminal-form input, .terminal-form textarea { background: transparent; border: none; border-bottom: 1px solid var(--border-color); color: var(--text-primary); font-size: 1rem; padding: 10px 0; outline: none; width: 100%; font-family: inherit; }
.terminal-form input:focus, .terminal-form textarea:focus { border-bottom-color: var(--accent); background: var(--accent-dim); }
.btn-submit { margin-top: 10px; background: var(--bg-main); color: var(--accent); border: 1px solid var(--accent); padding: 15px; font-weight: bold; cursor: pointer; text-align: left; width: 100%; font-family: inherit; }
.btn-submit:hover { background: var(--accent); color: var(--bg-main); }
.footer-bottom { text-align: center; margin-top: 50px; color: var(--text-secondary); font-size: 0.8rem; padding-top: 20px; border-top: 1px solid var(--border-color); }

/* ESTILOS DE ICONOS SOCIALES */
.social-icons-container { margin-top: 20px; padding-top: 20px; border-top: 1px dashed var(--border-color); }
.icons-row { display: flex; gap: 20px; margin-top: 15px; }
.social-btn { font-size: 2rem; color: var(--text-secondary); transition: 0.3s; display: flex; align-items: center; justify-content: center; width: 50px; height: 50px; border: 1px solid transparent; border-radius: 5px; }
.social-btn:hover { color: var(--accent); border-color: var(--accent); box-shadow: 0 0 10px var(--accent-dim); transform: translateY(-3px); background: rgba(0,0,0,0.2); }

@media (max-width: 900px) {
    .nav-links { display: none; }
    .about-interface, .contact-interface { grid-template-columns: 1fr; }
    .table-header { display: none; }
    .table-row { grid-template-columns: 1fr; border-bottom: 1px dashed var(--border-color); }
    .hero h1 { font-size: 2.5rem; }
}