body, html {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: #000;
  color: white;
  font-family: 'Roboto', sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.login-container {
  text-align: center;
  z-index: 2;
  width: 70%;
  padding: 0 16px;
  box-sizing: border-box;
}

.title     { font-size: 3.5em; color: #4285f4; margin: 0 0 4px 0; }
.highlight { color: #fbbc05; }
.subtitle  { font-size: 1.1em; margin-bottom: 16px; }

.login-box {
  background: rgba(0,0,0,0.6);
  padding: 24px 32px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(255,255,255,0.1);
  display: inline-block;
  width: 100%;
  max-width: 360px;
  box-sizing: border-box;
}
.login-box p     { margin: 0 0 14px 0; text-align: left; }
.login-box label { display: block; font-size: 0.85em; color: #aaa; margin-bottom: 5px; }
.login-box input {
  display: block; width: 100%; padding: 10px 12px;
  border-radius: 6px; border: 1px solid #333;
  font-size: 1em; background: #222; color: #fff; box-sizing: border-box;
}
.login-box button {
  display: block; width: 100%; margin: 18px 0 0 0; padding: 12px;
  border-radius: 6px; border: none; font-size: 1em;
  background: #4285f4; color: white; font-weight: bold;
  cursor: pointer; transition: background 0.3s;
}
.login-box button:hover { background: #3367d6; }

/* ── Footer — centrage explicite ───────────────────────────── */
.footer {
  margin-top: 30px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;   /* centre horizontalement */
  justify-content: center;
}

/* ── Logo tsParticles ──────────────────────────────────────────
   tsParticles v3 respecte les dimensions du conteneur (width/height)
   et met width:100%;height:100% sur le canvas automatiquement.
   On fixe juste la taille voulue + margin:auto pour centrer.  */
#logo_dcltek {
  width: 90vw;
  max-width: 90vw; /* déjà géré par width */
  height: 100px;
  margin: 0 auto;        /* centrage dans le footer         */
  display: block;
}

/* ── Terminal ──────────────────────────────────────────────── */
.hero {
  margin-top: 5px; position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center;
}
.terminal {
  font-family: monospace; background-color: rgba(0,0,0,0.6);
  padding: 10px 20px; border-radius: 5px; margin-top: 10px;
  max-width: 90vw; /* déjà géré par width */ word-break: break-word;
}
.terminal span {
  display: inline-block; white-space: pre-wrap;
  border-right: 2px solid #00bfff; padding-right: 4px;
  animation: blink-caret 0.8s step-end infinite;
}
@keyframes blink-caret {
  from, to { border-color: transparent; }
  50%       { border-color: #00bfff; }
}

.powered {
  color: #ffffff;
  font-size: 0.75em;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 8px 0 0 0;
  opacity: 0.5;
}