:root {
  color-scheme: dark;
  --violet: #9d5cff;
  --violet-deep: #6432d8;
  --cyan: #5cecff;
  --surface: rgba(20, 10, 42, 0.82);
  --line: rgba(186, 137, 255, 0.26);
  --text: #f8f3ff;
  --muted: #b7a8cf;
  --danger: #ff7caa;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  font-family: "Cairo", sans-serif;
  background:
    radial-gradient(circle at 15% 15%, rgba(116, 45, 225, 0.36), transparent 34%),
    radial-gradient(circle at 85% 75%, rgba(23, 169, 198, 0.18), transparent 34%),
    linear-gradient(rgba(6, 3, 16, 0.79), rgba(6, 3, 16, 0.94)),
    url("assets/cosmic-command-bg.png") center/cover fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(174, 120, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(174, 120, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px;
}

.auth-card {
  position: relative;
  width: min(100%, 460px);
  padding: 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(37, 17, 69, 0.93), var(--surface));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.58), inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 0 80px rgba(122, 63, 220, 0.12);
  backdrop-filter: blur(24px);
}

.auth-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(115deg, rgba(255,255,255,0.06), transparent 28%, transparent 72%, rgba(92,236,255,0.04));
}

.auth-orbit {
  position: relative;
  display: grid;
  place-items: center;
  width: 118px;
  height: 118px;
  margin: 0 auto 18px;
}

.auth-orbit.compact { width: 96px; height: 96px; }

.ring {
  position: absolute;
  border: 1px solid rgba(178, 118, 255, 0.42);
  border-radius: 50%;
  animation: orbit 9s linear infinite;
}

.ring::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}

.ring-one { inset: 2px; }
.ring-two { inset: 14px; animation-direction: reverse; animation-duration: 6s; transform: rotate(36deg); }

.brand-core {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 18px;
  font: 800 27px/1 "Plus Jakarta Sans", sans-serif;
  background: linear-gradient(145deg, #af72ff, #5425c8);
  box-shadow: 0 0 34px rgba(157, 92, 255, 0.55);
}

.auth-brand { position: relative; z-index: 1; text-align: center; }
.eyebrow { color: var(--cyan); font: 700 10px/1.4 "Plus Jakarta Sans", sans-serif; letter-spacing: 0.2em; }
.auth-brand h1 { margin: 9px 0 4px; font: 700 clamp(26px, 6vw, 34px)/1.2 "Plus Jakarta Sans", "Cairo", sans-serif; }
.auth-brand p { margin: 0; color: var(--muted); font-size: 13px; }

.auth-form { position: relative; z-index: 1; display: grid; gap: 15px; margin-top: 28px; }
.auth-form label { display: grid; gap: 7px; color: #e3d8f6; font-size: 12px; font-weight: 700; }
.auth-form small { color: var(--muted); font-size: 10px; font-weight: 500; }
.auth-form input {
  width: 100%;
  min-height: 49px;
  padding: 0 15px;
  border: 1px solid rgba(186, 137, 255, 0.22);
  border-radius: 13px;
  outline: none;
  color: var(--text);
  font: 600 14px "Cairo", sans-serif;
  background: rgba(8, 4, 20, 0.64);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}
.auth-form input:focus { border-color: var(--violet); box-shadow: 0 0 0 4px rgba(157,92,255,0.12); transform: translateY(-1px); }

.auth-form button {
  position: relative;
  min-height: 51px;
  margin-top: 4px;
  border: 0;
  border-radius: 14px;
  overflow: hidden;
  color: white;
  cursor: pointer;
  font: 800 13px "Cairo", sans-serif;
  background: linear-gradient(100deg, var(--violet-deep), var(--violet));
  box-shadow: 0 14px 34px rgba(101, 50, 216, 0.34);
}
.auth-form button:hover { filter: brightness(1.08); }
.auth-form button:disabled { cursor: wait; opacity: 0.68; }
.button-signal { position: absolute; inset: 0; transform: translateX(120%); background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); animation: signal 3.2s ease-in-out infinite; }
.auth-error { min-height: 20px; margin: 0; color: var(--danger); font-size: 11px; text-align: center; }

footer { position: relative; z-index: 1; margin-top: 22px; color: #8f7fa9; font-size: 9px; text-align: center; }
.secure-dot { display: inline-block; width: 6px; height: 6px; margin-left: 5px; border-radius: 50%; background: #4ff2bd; box-shadow: 0 0 10px #4ff2bd; }

@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes signal { 0%, 45% { transform: translateX(120%); } 70%, 100% { transform: translateX(-120%); } }

@media (max-width: 520px) {
  .auth-card { padding: 30px 22px; border-radius: 22px; }
  .auth-orbit { transform: scale(0.88); margin-bottom: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}