@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

/* =========================================
   VARIABLES Y RESET (Tema Sci-Fi / HUD Lab)
   ========================================= */
:root {
    --bg-base: #020617;       /* Negro profundo espacial */
    --panel-bg: rgba(15, 23, 42, 0.6); 
    --neon-cyan: #00f3ff;     /* Azul holográfico principal */
    --neon-green: #39ff14;    /* Verde matriz para éxito */
    --neon-red: #ff003c;      /* Rojo alerta */
    --neon-orange: #ffaa00;   /* Naranja advertencia */
    --text-main: #e2e8f0;
    --text-muted: #64748b;
    --font-ui: 'Rajdhani', sans-serif;
    --font-data: 'Share Tech Mono', monospace; /* Fuente de computadora/terminal */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-ui);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    /* Cuadrícula milimétrica de laboratorio holográfico */
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    background-attachment: fixed;
}

/* =========================================
   MENÚ Y ENCABEZADOS (Estilo Consola)
   ========================================= */
header {
    background-color: rgba(2, 6, 23, 0.9);
    border-bottom: 2px solid var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

.logo {
    font-family: var(--font-data);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--neon-cyan);
    letter-spacing: 2px;
    text-shadow: 0 0 8px var(--neon-cyan);
}

.logo::before { content: "[SYS_"; }
.logo::after { content: "]"; }

nav { display: flex; gap: 15px; }

nav a {
    font-family: var(--font-data);
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    padding: 5px 10px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

nav a:hover {
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

/* =========================================
   CARDS DE LABORATORIO (HUD PANELS)
   ========================================= */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 10px;
}

/* El corte diagonal en las esquinas clásico de Sci-Fi */
.hud-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 243, 255, 0.3);
    padding: 20px;
    margin-bottom: 25px;
    position: relative;
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
}

/* Esquinas decorativas iluminadas */
.hud-panel::before {
    content: ''; position: absolute; top: 0; left: 0; width: 30px; height: 30px;
    border-top: 2px solid var(--neon-cyan); border-left: 2px solid var(--neon-cyan);
}
.hud-panel::after {
    content: ''; position: absolute; bottom: 0; right: 0; width: 30px; height: 30px;
    border-bottom: 2px solid var(--neon-cyan); border-right: 2px solid var(--neon-cyan);
}

.hud-title {
    font-family: var(--font-data);
    color: var(--neon-cyan);
    text-transform: uppercase;
    font-size: 1.2rem;
    border-bottom: 1px dashed rgba(0, 243, 255, 0.3);
    padding-bottom: 5px;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

/* =========================================
   DATOS BIOMÉTRICOS (Estilo readout)
   ========================================= */
.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.data-box {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px;
    text-align: center;
}

.data-label {
    font-family: var(--font-data);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    display: block;
    margin-bottom: 5px;
}

.data-value {
    font-family: var(--font-data);
    font-size: 1.5rem;
    color: var(--neon-green);
    text-shadow: 0 0 8px rgba(57, 255, 20, 0.4);
}

.data-value.warning { color: var(--neon-orange); text-shadow: 0 0 8px rgba(255, 170, 0, 0.4); }

/* =========================================
   ANIMACIÓN DEL ESCÁNER DE CUERPO
   ========================================= */
.scanner-wrapper {
    position: relative;
    display: inline-block;
    border: 1px solid var(--neon-cyan);
    padding: 5px;
    background: #000;
}

.scanner-wrapper img {
    display: block;
    max-width: 100%;
    height: auto;
    filter: contrast(1.2) saturate(0.8) sepia(0.3) hue-rotate(180deg); /* Le da un tono azulado/rayos X a tu foto */
}

/* La línea láser que sube y baja */
.scanner-laser {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--neon-cyan);
    box-shadow: 0 0 15px 2px var(--neon-cyan);
    animation: scan 3s infinite linear;
    z-index: 10;
}

@keyframes scan {
    0% { top: 5%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 95%; opacity: 0; }
}

/* =========================================
   TABLAS ESTILO TERMINAL
   ========================================= */
.terminal-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-data);
    font-size: 0.85rem;
}

.terminal-table th {
    color: var(--neon-cyan);
    text-align: left;
    padding: 8px;
    border-bottom: 1px solid var(--neon-cyan);
}

.terminal-table td {
    padding: 8px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

/* Botones Sci-Fi */
button, .btn-scifi {
    font-family: var(--font-data);
    background: transparent;
    color: var(--neon-cyan);
    border: 1px solid var(--neon-cyan);
    padding: 8px 15px;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s;
}

button:hover, .btn-scifi:hover {
    background: rgba(0, 243, 255, 0.2);
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* Ocultar canvas antiguo si lo tenías */
#neural-canvas { display: none; }

/* Menú Móvil */
.menu-toggle { display: none; background: transparent; border: none; color: var(--neon-cyan); font-size: 1.5rem; }
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background: #000; border-bottom: 1px solid var(--neon-cyan); }
    nav.active { display: flex; }
    nav a { border-bottom: 1px solid rgba(0, 243, 255, 0.2); padding: 15px; }
}
/* =========================================
   HEADER Y MENÚ MÓVIL PERFECTO
   ========================================= */

/* Header HUD */
.hud-header {
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--neon-cyan);
    box-shadow: 
        0 8px 32px rgba(0, 243, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.logo {
    font-family: var(--font-data);
    font-size: clamp(1.1rem, 4vw, 1.6rem);
    font-weight: 700;
    color: var(--neon-cyan);
    text-decoration: none;
    letter-spacing: 2px;
    text-shadow: 0 0 12px rgba(0, 243, 255, 0.5);
}

.logo::before { content: "["; color: var(--neon-green); }
.logo::after { content: "]"; color: var(--neon-green); }

/* Botón hamburguesa */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--neon-cyan);
    border-radius: 3px;
    transition: all 0.3s ease;
    box-shadow: 0 0 8px rgba(0, 243, 255, 0.5);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Menú navegación */
.nav-menu {
    display: flex;
    gap: 5px;
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    color: var(--neon-cyan);
    text-decoration: none;
    font-family: var(--font-data);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    background: rgba(0, 243, 255, 0.15);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
    transform: translateY(-2px);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue, #00bfff));
    color: #000;
    box-shadow: 0 0 25px rgba(0, 243, 255, 0.5);
}

.nav-link.logout {
    background: rgba(255, 0, 60, 0.15);
    border-color: var(--neon-red);
    color: var(--neon-red);
}

.nav-link.logout:hover {
    background: rgba(255, 0, 60, 0.3);
    box-shadow: 0 0 20px rgba(255, 0, 60, 0.5);
}

.nav-link.login, .nav-link.register {
    background: rgba(0, 255, 136, 0.15);
    border-color: var(--neon-green);
    color: var(--neon-green);
}

.nav-link.login:hover, .nav-link.register:hover {
    background: rgba(0, 255, 136, 0.3);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

/* =========================================
   MENÚ MÓVIL RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(2, 6, 23, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 80px 25px 25px;
        backdrop-filter: blur(30px);
        border-left: 2px solid var(--neon-cyan);
        box-shadow: 
            -10px 0 40px rgba(0, 0, 0, 0.8),
            inset 0 0 0 1px rgba(0, 243, 255, 0.2);
        transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        gap: 0;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 18px 20px;
        margin-bottom: 8px;
        border-radius: 12px;
        border: none;
        font-size: 1rem;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    }

    .nav-link::before {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hud-header {
        padding: 15px 20px;
    }
}

/* Overlay menú móvil */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* =========================================
   JS INLINE - NO NECESITAS ARCHIVO EXTERNO
   ========================================= */