/* RESET Y BASE */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Rajdhani', sans-serif; background: #050b16; height: 100vh; display: flex; justify-content: center; align-items: center; overflow: hidden; color: white; }

/* FONDOS */
.grid-bg { position: fixed; inset: 0; background-image: linear-gradient(rgba(0,180,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(0,180,255,.15) 1px, transparent 1px); background-size: 40px 40px; z-index: 1; }
.glow-blue { position: fixed; width: 400px; height: 400px; background: #00bfff; filter: blur(150px); opacity: .2; left: -100px; }
.glow-orange { position: fixed; width: 400px; height: 400px; background: #ff6a00; filter: blur(150px); opacity: .2; right: -100px; }

/* LOGO Y PANEL */
.login-panel { width: 90%; max-width: 450px; z-index: 10; position: relative; }
.logo-container { text-align: center; margin-bottom: 20px; }
.logo-img { width: 100px; filter: drop-shadow(0 0 10px #00d9ff); margin-bottom: 10px; }
h1 { font-size: 28px; letter-spacing: 2px; color: #d9e6ef; }
.footer { font-size: 12px; color: #666; text-align: center; margin-top: 15px; }

/* FRAME Y CONTENIDO */
.frame { padding: 40px; border-radius: 20px; background: rgba(20, 30, 40, 0.9); border: 1px solid rgba(0, 217, 255, 0.4); box-shadow: 0 0 20px rgba(0,0,0,0.5); position: relative; }
label { display: block; color: #00d9ff; margin: 15px 0 5px; font-weight: 600; }
input { width: 100%; padding: 12px; background: #0a0f15; border: 1px solid #333; color: white; border-radius: 5px; }
input:focus { outline: none; border-color: #00d9ff; }
button { width: 100%; padding: 15px; margin-top: 25px; border: none; cursor: pointer; background: #ff6a00; color: #111; font-weight: 700; border-radius: 5px; transition: .3s; }
button:hover { background: #ff8833; box-shadow: 0 0 15px #ff6a00; }

/* ESTADOS */
.loading { margin-top: 15px; text-align: center; color: #00d9ff; font-family: monospace; }
.error { color: #ff4444; text-align: center; margin-top: 10px; font-size: 14px; }

/* CIRCUITOS (Líneas decorativas) */
.circuit-left, .circuit-right { position: absolute; top: 20%; width: 15px; height: 60%; }
.circuit-left { left: 5px; } .circuit-right { right: 5px; }
.circuit-left span, .circuit-right span { position: absolute; width: 100%; height: 2px; background: #00d9ff; }
.circuit-left span:nth-child(1){top:20%;} .circuit-left span:nth-child(2){top:50%;} .circuit-left span:nth-child(3){top:80%;}
.circuit-right span:nth-child(1){top:20%;} .circuit-right span:nth-child(2){top:50%;} .circuit-right span:nth-child(3){top:80%;}