/* ============================================================
   NEXUS VAULT — Futuristic Access Control (Login)
   ============================================================ */

:root {
  --bg-deep: #07080d;
  --neon-green: #00ff9d;
  --neon-cyan: #22d3ee;
  --gold: #d4af37;
  --gold-soft: #e6c45c;
  --text: #e8ecf4;
  --text-dim: #8b93a7;
  --border-neon: rgba(0,255,157,0.35);
  --glow-green: rgba(0,255,157,0.45);
  --mono: "JetBrains Mono", "Fira Code", "Courier New", monospace;
}

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

body {
  font-family: var(--mono);
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}

/* Ambient background */
.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.3;
  animation: float 18s ease-in-out infinite;
}
.orb-1 { width: 520px; height: 520px; background: radial-gradient(circle, #00ff9d, transparent 65%); top: -180px; left: -120px; }
.orb-2 { width: 460px; height: 460px; background: radial-gradient(circle, #22d3ee, transparent 65%); bottom: -160px; right: -100px; animation-delay: -6s; }
.orb-3 { width: 380px; height: 380px; background: radial-gradient(circle, #d4af37, transparent 65%); top: 40%; left: 55%; opacity: 0.16; animation-delay: -12s; }

.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,255,157,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,157,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 78%);
}

@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(40px,-30px) scale(1.06); }
  66% { transform: translate(-30px,25px) scale(0.96); }
}

/* Center content */
.login-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  padding: 1.4rem;
  width: min(430px, 100%);
}

/* Scanning line at top of viewport */
.scan-line {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-green), var(--neon-cyan), transparent);
  box-shadow: 0 0 18px var(--glow-green);
  opacity: 0.6;
  animation: scanSweep 4s linear infinite;
  z-index: 2;
  pointer-events: none;
}
@keyframes scanSweep {
  0% { transform: translateY(0); opacity: 0; }
  8% { opacity: 0.6; }
  92% { opacity: 0.6; }
  100% { transform: translateY(100vh); opacity: 0; }
}

/* The access card */
.access-card {
  width: 100%;
  background: rgba(13,16,24,0.82);
  border: 1px solid var(--border-neon);
  border-radius: 16px;
  padding: 2rem 1.9rem 1.7rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 0 50px rgba(0,255,157,0.12),
    0 30px 80px rgba(0,0,0,0.6),
    inset 0 0 30px rgba(0,255,157,0.04);
  position: relative;
  animation: cardIn 0.6s cubic-bezier(0.2,0.8,0.3,1.1);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: none; }
}
.access-card::before, .access-card::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border-color: var(--neon-green);
  border-style: solid;
  opacity: 0.7;
}
.access-card::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; border-color: var(--neon-green) var(--neon-green) transparent transparent; }
.access-card::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; border-color: transparent transparent var(--gold) var(--gold); }

.card-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}
.brand-mark {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  color: var(--neon-green);
  background: linear-gradient(145deg, rgba(0,255,157,0.16), rgba(0,255,157,0.02));
  border: 1px solid var(--border-neon);
  box-shadow: 0 0 22px rgba(0,255,157,0.16);
}
.brand-mark svg { width: 26px; height: 26px; }
.brand-text h1 {
  font-size: 1.3rem;
  letter-spacing: 4px;
  font-weight: 700;
}
.brand-text h1 span {
  background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-text p {
  font-size: 0.58rem;
  letter-spacing: 3px;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

.id-strip {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  background: rgba(0,255,157,0.06);
  border: 1px solid rgba(0,255,157,0.15);
  font-size: 0.62rem;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}
.id-label { color: var(--text-dim); }
.id-value { color: var(--gold-soft); margin-left: auto; }
.id-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 8px var(--glow-green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.status-line {
  text-align: center;
  margin-bottom: 1.4rem;
}
.status-text {
  font-size: 0.66rem;
  letter-spacing: 3px;
  color: var(--neon-cyan);
  text-shadow: 0 0 12px rgba(34,211,238,0.5);
  animation: blink 2.4s step-end infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Form */
.field { margin-bottom: 1.1rem; }
.field label {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 3px;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}
.input-shell {
  position: relative;
  display: flex;
  align-items: center;
  border: 1px solid rgba(0,255,157,0.3);
  border-radius: 10px;
  background: rgba(0,0,0,0.3);
  transition: all 0.22s;
}
.input-shell:focus-within {
  border-color: var(--neon-green);
  box-shadow: 0 0 18px rgba(0,255,157,0.2);
}
.input-shell input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  padding: 0.95rem 1.1rem;
  color: var(--text);
  font-family: var(--mono);
  font-size: 1.05rem;
  letter-spacing: 2px;
}
.input-shell input::placeholder { color: rgba(139,147,167,0.5); }
.input-caret { display: none; }

.error-box {
  background: rgba(255,90,106,0.1);
  border: 1px solid rgba(255,90,106,0.4);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-size: 0.62rem;
  letter-spacing: 2px;
  color: #ff5a6a;
  text-align: center;
  margin-bottom: 1rem;
  animation: shake 0.4s ease;
}
@keyframes shake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.btn-auth {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid rgba(0,255,157,0.55);
  background: linear-gradient(135deg, rgba(0,255,157,0.2), rgba(34,211,238,0.1));
  color: var(--neon-green);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.22s;
}
.btn-auth:hover {
  background: linear-gradient(135deg, rgba(0,255,157,0.32), rgba(34,211,238,0.16));
  box-shadow: 0 0 28px rgba(0,255,157,0.3);
  transform: translateY(-1px);
}
.btn-auth:active { transform: scale(0.98); }
.btn-auth .btn-glyph { font-size: 1rem; }
.btn-auth.loading { opacity: 0.7; pointer-events: none; }
.btn-auth.loading .btn-label::after {
  content: "";
  display: inline-block;
  width: 10px;
  animation: dots 1.2s steps(4) infinite;
}
@keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }

.auth-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 0.56rem;
  letter-spacing: 2px;
  color: var(--text-dim);
}
.auth-meta span:last-child { color: var(--neon-cyan); }

.login-foot {
  font-size: 0.58rem;
  letter-spacing: 3px;
  color: var(--text-dim);
  opacity: 0.6;
}

/* Mobile */
@media (max-width: 480px) {
  .access-card { padding: 1.6rem 1.3rem 1.4rem; }
  .brand-text h1 { font-size: 1.1rem; letter-spacing: 3px; }
}