/* ===========================================================
   UNRAID Recovery — Apple Liquid Glass aesthetic
   Pure black & white, frosted glass surfaces.
   =========================================================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --text: #0a0a0a;
  --text-2: #6b6b70;
  --text-3: #9a9aa1;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.14);
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --glass-edge: rgba(255, 255, 255, 0.85);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px -10px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.06), 0 24px 48px -16px rgba(0, 0, 0, 0.16);
  --shadow-lg: 0 1px 2px rgba(0, 0, 0, 0.06), 0 36px 80px -24px rgba(0, 0, 0, 0.22);
  --shadow-glass: 0 1px 0 var(--glass-edge) inset, 0 0 0 1px rgba(0, 0, 0, 0.04),
    0 30px 60px -22px rgba(0, 0, 0, 0.18);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-pill: 999px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --bg-blob-1: rgba(0, 0, 0, 0.05);
  --bg-blob-2: rgba(0, 0, 0, 0.04);
  --bg-blob-3: rgba(0, 0, 0, 0.06);
  --tint: #000;
  --tint-on: #fff;
  --check: #1e1e1e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-soft: #0e0e10;
    --text: #f5f5f7;
    --text-2: #a1a1a6;
    --text-3: #6e6e73;
    --line: rgba(255, 255, 255, 0.10);
    --line-strong: rgba(255, 255, 255, 0.18);
    --glass: rgba(28, 28, 30, 0.55);
    --glass-strong: rgba(40, 40, 42, 0.65);
    --glass-edge: rgba(255, 255, 255, 0.10);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5), 0 12px 28px -12px rgba(0, 0, 0, 0.55);
    --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.55), 0 28px 56px -18px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 1px 2px rgba(0, 0, 0, 0.6), 0 40px 90px -28px rgba(0, 0, 0, 0.8);
    --shadow-glass: 0 1px 0 rgba(255, 255, 255, 0.08) inset,
      0 0 0 1px rgba(255, 255, 255, 0.06), 0 30px 60px -22px rgba(0, 0, 0, 0.7);
    --bg-blob-1: rgba(255, 255, 255, 0.05);
    --bg-blob-2: rgba(255, 255, 255, 0.04);
    --bg-blob-3: rgba(255, 255, 255, 0.06);
    --tint: #fff;
    --tint-on: #000;
    --check: #ffffff;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.011em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Subtle abstract background shapes for the glass to refract over */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
body::before {
  background:
    radial-gradient(40% 50% at 18% 12%, var(--bg-blob-1), transparent 65%),
    radial-gradient(45% 55% at 82% 18%, var(--bg-blob-2), transparent 60%),
    radial-gradient(55% 60% at 50% 110%, var(--bg-blob-3), transparent 60%);
  filter: blur(60px);
}
body::after {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.035) 1px, transparent 0);
  background-size: 4px 4px;
  opacity: 0.45;
  mix-blend-mode: multiply;
}
@media (prefers-color-scheme: dark) {
  body::after {
    background-image:
      radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.035) 1px, transparent 0);
    mix-blend-mode: screen;
    opacity: 0.5;
  }
}

/* ============ Navigation ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--glass);
  backdrop-filter: blur(40px) saturate(200%);
  -webkit-backdrop-filter: blur(40px) saturate(200%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--tint);
  color: var(--tint-on);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.04em;
}
.nav-links {
  display: flex;
  gap: 22px;
}
.nav-links a {
  color: var(--text-2);
  text-decoration: none;
  font-size: 13.5px;
  transition: color 160ms var(--ease-out);
}
.nav-links a:hover { color: var(--text); }

/* ============ Layout ============ */
main {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 64px 22px 96px;
}

/* ============ Hero ============ */
.hero { text-align: center; margin-bottom: 56px; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-2);
  margin-bottom: 16px;
}
h1 {
  font-size: clamp(40px, 6.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
}
.hero p {
  font-size: clamp(17px, 1.7vw, 19px);
  color: var(--text-2);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ============ Glass surfaces ============ */
.glass {
  position: relative;
  background: var(--glass);
  backdrop-filter: blur(36px) saturate(180%);
  -webkit-backdrop-filter: blur(36px) saturate(180%);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glass);
  overflow: hidden;
}
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0) 28%);
  border-radius: inherit;
  mix-blend-mode: overlay;
  opacity: 0.6;
}
@media (prefers-color-scheme: dark) {
  .glass::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0) 30%);
    opacity: 1;
  }
}

/* ============ Profile header on user pages ============ */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 26px;
  transition: color 160ms var(--ease-out);
}
.back-link:hover { color: var(--text); }

.profile {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 30px;
}
.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.02em;
  color: var(--tint-on);
  background: var(--tint);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), var(--shadow-sm);
}
.profile h1 {
  font-size: clamp(34px, 4.5vw, 46px);
  margin: 0;
  letter-spacing: -0.035em;
}
.profile .subtitle {
  color: var(--text-2);
  font-size: 15px;
  margin-top: 2px;
}

/* ============ Notice (deadline) ============ */
.notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  margin: 0 0 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--glass-strong);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
}
.notice .icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  display: grid;
  place-items: center;
  margin-top: 1px;
}
.notice strong { font-weight: 600; }
.notice .muted { color: var(--text-2); }

/* ============ Service / form cards ============ */
.services { display: grid; gap: 22px; }

.service-card {
  padding: 30px;
}

.service-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--tint);
  color: var(--tint-on);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.service-icon-stack {
  position: relative;
  width: 64px;
  height: 48px;
  flex-shrink: 0;
}
.service-icon-stack .service-icon {
  position: absolute;
  top: 0;
  left: 0;
  border: 2px solid var(--bg);
}
.service-icon-stack .service-icon.nc {
  left: 18px;
  background: var(--bg);
  color: var(--text);
  border: 2px solid var(--text);
}
@media (prefers-color-scheme: dark) {
  .service-icon-stack .service-icon.nc {
    background: var(--bg);
    color: var(--text);
    border-color: var(--text);
  }
}
.service-title { font-size: 21px; font-weight: 600; letter-spacing: -0.022em; }
.service-sub { color: var(--text-2); font-size: 13.5px; margin-top: 2px; }

/* ============ Forms ============ */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.005em;
}
.input-wrap { position: relative; }
.input {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  padding: 14px 46px 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  background: var(--glass-strong);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  color: var(--text);
  outline: none;
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out),
    background 160ms var(--ease-out);
}
.input::placeholder { color: var(--text-3); }
.input:focus {
  border-color: var(--text);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.08);
}
@media (prefers-color-scheme: dark) {
  .input:focus { box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08); }
}
.toggle-eye {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 0;
  border-radius: 8px;
  color: var(--text-3);
  cursor: pointer;
  transition: color 160ms var(--ease-out), background 160ms var(--ease-out);
}
.toggle-eye:hover { color: var(--text); background: rgba(0, 0, 0, 0.05); }
@media (prefers-color-scheme: dark) {
  .toggle-eye:hover { background: rgba(255, 255, 255, 0.08); }
}

/* ============ Buttons ============ */
.btn {
  appearance: none;
  border: 0;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 14px 22px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform 120ms var(--ease-out), background 160ms var(--ease-out),
    box-shadow 160ms var(--ease-out), opacity 160ms var(--ease-out),
    color 160ms var(--ease-out);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}
.btn-primary {
  background: var(--tint);
  color: var(--tint-on);
  box-shadow: 0 6px 18px -4px rgba(0, 0, 0, 0.32);
}
@media (prefers-color-scheme: dark) {
  .btn-primary { box-shadow: 0 6px 18px -4px rgba(255, 255, 255, 0.18); }
}
.btn-primary:hover { transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.985); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-block { width: 100%; }

.btn-glass {
  background: var(--glass-strong);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  color: var(--text);
  border: 1px solid var(--line-strong);
}
.btn-glass:hover { background: var(--glass-edge); }

/* ============ Decryption progress ============ */
.progress {
  display: none;
  flex-direction: column;
  gap: 12px;
  margin-top: 22px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--glass-strong);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--line);
}
.progress.active { display: flex; animation: fadeUp 320ms var(--ease-out) both; }
.progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-2);
}
.progress-row .check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--text-3);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all 240ms var(--ease-out);
}
.progress-row.active .check {
  border-color: var(--text);
  border-top-color: transparent;
  animation: spin 700ms linear infinite;
}
.progress-row.done .check {
  background: var(--check);
  border-color: var(--check);
}
.progress-row.done .check::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid var(--bg);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}
.progress-row.done { color: var(--text); }
.progress-bar {
  height: 3px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 4px;
}
@media (prefers-color-scheme: dark) {
  .progress-bar { background: rgba(255, 255, 255, 0.10); }
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--text);
  border-radius: inherit;
  transition: width 200ms linear;
}

/* ============ Result panel ============ */
.result {
  display: none;
  margin-top: 22px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--glass-strong);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--line-strong);
  position: relative;
  overflow: hidden;
}
.result::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.45), transparent 30%);
  pointer-events: none;
  border-radius: inherit;
  opacity: 0.7;
}
@media (prefers-color-scheme: dark) {
  .result::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), transparent 30%);
    opacity: 1;
  }
}
.result.active { display: block; animation: fadeUp 360ms var(--ease-out) both; position: relative; }
.result-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.result-head .badge {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  display: grid;
  place-items: center;
}
.result-head .badge::after {
  content: "";
  width: 6px;
  height: 11px;
  border: solid var(--bg);
  border-width: 0 2.4px 2.4px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}
.result-head .title { font-weight: 600; font-size: 15px; color: var(--text); }
.conn-grid {
  display: grid;
  gap: 6px;
  margin: 8px 0 4px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.conn-row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 12px;
  align-items: center;
  font-size: 13.5px;
}
.conn-row + .conn-row { padding-top: 6px; border-top: 1px solid var(--line); }
.conn-k {
  color: var(--text-2);
  font-weight: 500;
  font-size: 12.5px;
}
.conn-v {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13.5px;
  color: var(--text);
  background: transparent;
  padding: 0;
  word-break: break-all;
  user-select: all;
}
.key-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 6px;
}
.key-text {
  flex: 1;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--text);
  word-break: break-all;
  user-select: all;
}
.copy-btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 160ms var(--ease-out), border-color 160ms var(--ease-out),
    color 160ms var(--ease-out), transform 120ms var(--ease-out);
  flex-shrink: 0;
}
.copy-btn:hover { border-color: var(--text); }
.copy-btn:active { transform: scale(0.97); }
.copy-btn.copied {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.result-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.5;
}

/* ============ Next-step CTA after decryption ============ */
.cta-card {
  display: none;
  margin-top: 22px;
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  align-items: center;
  gap: 16px;
}
.cta-card.active { display: flex; animation: fadeUp 380ms var(--ease-out) 80ms both; }
.cta-card .text { flex: 1; }
.cta-title { font-weight: 600; font-size: 15px; }
.cta-sub { color: var(--text-2); font-size: 13px; margin-top: 2px; }
@media (max-width: 540px) {
  .cta-card { flex-direction: column; align-items: stretch; text-align: left; }
  .cta-card .btn { width: 100%; }
}

/* ============ Footer ============ */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 22px 22px;
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
  background: var(--glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}

/* ============ Animations ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}
.input.shake {
  animation: shake 380ms cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
  border-color: var(--text);
}

/* ============ Responsive ============ */
@media (max-width: 640px) {
  main { padding: 36px 18px 64px; }
  .service-card { padding: 22px; }
  .nav-inner { padding: 11px 18px; }
  .profile .avatar { width: 56px; height: 56px; font-size: 22px; }
}

/* ===========================================================
   Print stylesheet — used when guide pages are saved as PDF
   =========================================================== */
@media print {
  body { background: #fff; color: #000; }
  body::before, body::after { display: none; }
  .nav, footer, .no-print { display: none !important; }
  main { max-width: none; padding: 0; }
  .glass, .service-card, .notice, .cta-card, .result {
    background: #fff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
    border-color: rgba(0, 0, 0, 0.15) !important;
  }
}