/* Weshky auth pages — iOS-style liquid glass */
:root {
  --accent: #ffffff;
  --accent-txt: #0a0a0b;
  --bg: #0a0a0b;
  --txt: #f2f3f5;
  --txt-dim: #8b909a;
  --stroke: rgba(255,255,255,.13);
  --stroke-soft: rgba(255,255,255,.07);
  --error: #f08080;
  --ok: #6fd99a;
  --radius: 22px;
  --radius-sm: 13px;
  --shadow: 0 24px 60px rgba(0,0,0,.5);
}

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

body {
  background: var(--bg);
  color: var(--txt);
  font-family: "Inter", -apple-system, "Segoe UI", system-ui, sans-serif;
  font-feature-settings: "cv05" 1, "ss01" 1;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
::selection { background: color-mix(in srgb, var(--accent) 45%, transparent); }

/* ---- ambient backdrop (glow + arc) ---- */
.backdrop { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: var(--bg); }
.backdrop .glow-1, .backdrop .glow-2 { position: absolute; border-radius: 50%; filter: blur(120px); }
.backdrop .glow-1 { width: 55vmax; height: 55vmax; top: -22vmax; right: -14vmax; background: color-mix(in srgb, var(--accent) 40%, transparent); opacity: .35; }
.backdrop .glow-2 { width: 45vmax; height: 45vmax; bottom: -25vmax; left: -12vmax; background: rgba(255,255,255,.16); opacity: .16; }
.backdrop .arc {
  position: absolute; width: 130vmin; height: 130vmin; right: -45vmin; top: -35vmin;
  border-radius: 50%; border: 8vmin solid transparent;
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    conic-gradient(from 210deg, transparent 0deg, rgba(255,255,255,.35) 55deg, rgba(255,255,255,.05) 130deg, transparent 210deg) border-box;
  transform: rotate(14deg); filter: blur(2px);
  animation: drift 18s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: rotate(10deg); } to { transform: rotate(20deg); } }
@media (prefers-reduced-motion: reduce) { .backdrop .arc { animation: none; } }

nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem 3rem;
}
nav .logo {
  font-size: .9rem; letter-spacing: .4em; text-transform: uppercase; font-weight: 300;
  color: var(--txt); text-decoration: none;
}
nav .alt {
  color: var(--txt); text-decoration: none;
  font-size: .78rem; font-weight: 500;
  min-height: 40px; padding: 0 1.1rem;
  display: inline-flex; align-items: center;
  border-radius: 999px; border: 1px solid var(--stroke);
  background: linear-gradient(160deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  -webkit-backdrop-filter: blur(16px) saturate(160%); backdrop-filter: blur(16px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.16);
  transition: background .2s;
}
nav .alt:hover { background: linear-gradient(160deg, rgba(255,255,255,.2), rgba(255,255,255,.08)); }
nav .alt:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

main {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem 1.4rem 4rem;
}

.card {
  width: 100%; max-width: 26rem;
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: linear-gradient(160deg, rgba(255,255,255,.11), rgba(255,255,255,.035) 45%, rgba(255,255,255,.07));
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  backdrop-filter: blur(28px) saturate(180%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.16), var(--shadow);
  padding: 2.8rem 2.4rem;
}

.card h1 { font-weight: 600; font-size: 1.55rem; letter-spacing: .01em; margin-bottom: .5rem; }
.card .lead { color: var(--txt-dim); font-size: .88rem; line-height: 1.6; margin-bottom: 2.1rem; }

.field { margin-bottom: 1.3rem; }

label {
  display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--txt-dim); margin-bottom: .5rem;
}
label .req { color: var(--accent); }

.control { position: relative; }

input {
  width: 100%; min-height: 50px; padding: 0 1.1rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-sm);
  color: var(--txt); font: inherit; font-size: 1rem;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
input::placeholder { color: rgba(154,160,171,.55); }
input:hover { border-color: rgba(255,255,255,.2); }
input:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent);
  background: rgba(255,255,255,.07);
}
input[aria-invalid="true"] { border-color: var(--error); }

.toggle-pw {
  position: absolute; top: 0; right: 0; height: 100%; min-width: 50px;
  background: none; border: 0; color: var(--txt-dim);
  font: inherit; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  cursor: pointer; transition: color .2s;
}
.toggle-pw:hover, .toggle-pw:focus-visible { color: var(--txt); }
.control:has(.toggle-pw) input { padding-right: 4rem; }

.hint { margin-top: .5rem; font-size: .76rem; color: var(--txt-dim); line-height: 1.5; }
.error-msg { display: none; margin-top: .5rem; font-size: .78rem; color: var(--error); line-height: 1.5; }
.field.invalid .error-msg { display: block; }
.field.invalid .hint { display: none; }

button[type="submit"] {
  width: 100%; min-height: 52px; margin-top: .6rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 60%, #fff);
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 92%, #fff), color-mix(in srgb, var(--accent) 78%, #000));
  color: var(--accent-txt);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.4), 0 10px 28px color-mix(in srgb, var(--accent) 35%, transparent);
  font: inherit; font-size: .9rem; font-weight: 600; letter-spacing: .02em;
  cursor: pointer; transition: transform .15s ease, filter .2s;
}
button[type="submit"]:hover { filter: brightness(1.06); }
button[type="submit"]:active { transform: scale(.98); }
button[type="submit"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button[type="submit"][disabled] { opacity: .5; cursor: default; }

.form-status { margin-top: 1.1rem; font-size: .82rem; line-height: 1.5; min-height: 1.2rem; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--error); }

.swap {
  margin-top: 2rem; padding-top: 1.6rem;
  border-top: 1px solid var(--stroke-soft);
  font-size: .82rem; color: var(--txt-dim);
}
.swap a { color: var(--txt); text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--accent) 60%, transparent); }
.swap a:hover { border-color: var(--accent); }

footer {
  padding: 1.6rem 3rem;
  color: var(--txt-dim); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase;
  display: flex; justify-content: space-between; gap: 1rem;
}

@media (max-width: 640px) {
  nav, footer { padding-left: 1.4rem; padding-right: 1.4rem; }
  .card { padding: 2.2rem 1.6rem; }
}