:root {
  color-scheme: dark;
  --bg: #07040d;
  --bg-2: #120a20;
  --surface: rgba(23, 15, 35, 0.88);
  --surface-strong: rgba(33, 22, 50, 0.92);
  --ink: #f4efff;
  --muted: #a89bbb;
  --line: rgba(161, 126, 255, 0.22);
  --line-strong: rgba(188, 154, 255, 0.42);
  --accent: #9b5cff;
  --accent-strong: #b889ff;
  --accent-ink: #170b28;
  --danger: #ff7f9b;
  --shadow: rgba(3, 2, 8, 0.48);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(151, 91, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(151, 91, 255, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(31, 19, 55, 0.94), var(--bg) 52%, #050309);
  background-color: var(--bg);
  background-size: 44px 44px, 44px 44px, auto;
  color: var(--ink);
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto auto;
  align-content: center;
  place-items: center;
  padding: 24px;
  gap: 18px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  user-select: none;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background:
    linear-gradient(135deg, rgba(184, 137, 255, 0.9), rgba(113, 69, 214, 0.82)),
    var(--accent);
  box-shadow:
    0 0 0 4px rgba(155, 92, 255, 0.1),
    0 12px 30px rgba(109, 64, 214, 0.28);
  transform: rotate(45deg);
}

.brand-lockup h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0;
}

.archive-box {
  width: min(680px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 22px 58px var(--shadow);
  backdrop-filter: blur(16px);
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

input {
  min-width: 0;
  width: 100%;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: rgba(7, 4, 13, 0.72);
  padding: 0 14px;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

input::placeholder {
  color: rgba(168, 155, 187, 0.7);
}

input:focus {
  border-color: var(--accent-strong);
  box-shadow:
    0 0 0 3px rgba(155, 92, 255, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

button {
  height: 48px;
  min-width: 112px;
  border: 0;
  border-radius: 6px;
  color: var(--accent-ink);
  background: linear-gradient(180deg, var(--accent-strong), var(--accent));
  padding: 0 18px;
  cursor: pointer;
  font-weight: 700;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    0 14px 32px rgba(108, 57, 204, 0.28);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    filter 160ms ease;
}

button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 18px 38px rgba(108, 57, 204, 0.34);
}

button:focus-visible {
  outline: 3px solid rgba(184, 137, 255, 0.36);
  outline-offset: 2px;
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.progress-wrap {
  padding-top: 12px;
}

.progress-track {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(8, 5, 15, 0.78);
  border: 1px solid rgba(161, 126, 255, 0.14);
}

.progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7c3cff, #d6b4ff);
  box-shadow: 0 0 18px rgba(184, 137, 255, 0.48);
  transition: width 220ms ease;
}

.status-line {
  min-height: 22px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 22px;
  letter-spacing: 0;
}

.status-line.error {
  color: var(--danger);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

@media (max-width: 560px) {
  .shell {
    align-items: start;
    align-content: start;
    padding: 16px;
    padding-top: 18vh;
    gap: 14px;
  }

  .archive-box {
    padding: 10px;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  button {
    width: 100%;
  }
}