/* ===========================================================
   COOPEN · Login screen (auth.coopenstudio.com)
   Estilo HUD coherente con agente-coopen, pero centrado en la
   tarjeta de login. Usa tokens.css para colores/tipografías.
=========================================================== */
* { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
  background: var(--c-bg);
  color: var(--c-white);
  font-family: var(--ff-mono);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

.login-frame {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: grid;
  place-items: center;
}

.bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(11, 31, 74, .6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 31, 74, .6) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .32;
  pointer-events: none;
}
.bg-vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 45%, transparent 38%, rgba(3, 7, 18, .65) 72%, var(--c-bg) 92%);
  pointer-events: none;
}

/* --- bracket framing (replica el .bracket del HUD) --- */
.bracket { position: relative; }
.bracket > .corner { position: absolute; width: 14px; height: 14px; pointer-events: none; filter: drop-shadow(0 0 5px rgba(0, 229, 255, .6)); }
.bracket > .corner.tl { top: -5px; left: -5px;   border-top: 1.5px solid var(--c-cyan); border-left: 1.5px solid var(--c-cyan); }
.bracket > .corner.tr { top: -5px; right: -5px;  border-top: 1.5px solid var(--c-cyan); border-right: 1.5px solid var(--c-cyan); }
.bracket > .corner.bl { bottom: -5px; left: -5px;  border-bottom: 1.5px solid var(--c-cyan); border-left: 1.5px solid var(--c-cyan); }
.bracket > .corner.br { bottom: -5px; right: -5px; border-bottom: 1.5px solid var(--c-cyan); border-right: 1.5px solid var(--c-cyan); }

/* --- card --- */
.login-card {
  position: relative;
  z-index: 5;
  width: min(440px, 88vw);
  background: var(--c-surface);
  border: var(--b-cyan-soft);
  padding: 2.6vh 2.4vw;
  display: flex;
  flex-direction: column;
  gap: 1.4vh;
  backdrop-filter: blur(2px);
}

.login-head { text-align: center; padding-bottom: 1vh; border-bottom: var(--b-cyan-soft); }
.login-head .brand {
  color: var(--c-cyan);
  letter-spacing: var(--ls-wide);
  font-size: var(--fs-2xl);
  text-shadow: var(--glow-cyan);
}
.login-head .brand-sub {
  margin-top: .4vh;
  color: var(--c-cyan-soft);
  letter-spacing: var(--ls-wide);
  font-size: var(--fs-xs);
  opacity: .76;
}

.login-body { display: flex; flex-direction: column; gap: 1.2vh; align-items: stretch; padding: .6vh 0; }
.login-body h1 {
  margin: 0;
  color: var(--c-cyan-soft);
  letter-spacing: var(--ls-wide);
  font-size: var(--fs-xl);
  text-align: center;
  text-shadow: var(--glow-cyan-soft);
}
.login-body .lead {
  margin: 0;
  color: var(--c-gray-2);
  font-size: var(--fs-md);
  line-height: 1.55;
  text-align: center;
}

/* --- Google button --- */
.g-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .8em;
  margin: 1vh auto 0;
  padding: 1.1vh 2vw;
  min-height: 42px;
  background: rgba(0, 229, 255, .08);
  border: var(--b-cyan);
  color: var(--c-cyan);
  letter-spacing: var(--ls-wide);
  font-family: var(--ff-mono);
  font-size: var(--fs-md);
  text-transform: uppercase;
  cursor: pointer;
  transition: background .14s ease, box-shadow .14s ease, transform .08s ease;
  text-decoration: none;
}
.g-btn:hover { background: rgba(0, 229, 255, .14); box-shadow: var(--glow-cyan); }
.g-btn:active { transform: translateY(1px); }
.g-btn svg { background: white; border-radius: 2px; padding: 1px; }

.error, .status {
  margin: 0;
  font-size: var(--fs-sm);
  text-align: center;
  letter-spacing: var(--ls-norm);
}
.error { color: #fca5a5; }
.status { color: var(--c-gray); }

.login-foot { padding-top: 1vh; border-top: var(--b-cyan-soft); }
.login-foot .meta {
  color: var(--c-gray);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-align: center;
}