/* ============================================
   ToolFi shared frontend styles (login+register)
   Design tokens + aurora bg + segmented + wallet-btn + email + toast + responsive
   ============================================ */

/* Self-hosted webfonts — no CDN dependency (fonts.loli.net was
   returning 404s on CN networks). Inter Variable covers 100-900
   weights in one 344KB file; JetBrains Mono only used in
   monospace addresses / code blocks. Chinese chars naturally
   fall through to PingFang SC / Microsoft YaHei per --font-sans. */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/assets/vendor/fonts/inter-variable.woff2') format('woff2-variations'),
       url('/assets/vendor/fonts/inter-variable.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/vendor/fonts/jetbrains-mono-regular.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/assets/vendor/fonts/jetbrains-mono-600.woff2') format('woff2');
}

:root {
  --bg-0: #070B16;
  --bg-1: #0A0F1E;
  --bg-2: #111827;
  --bg-card: rgba(255, 255, 255, 0.025);
  --border: rgba(255, 255, 255, 0.08);
  --text-0: #F1F5F9;
  --text-1: #E5E7EB;
  --text-2: #94A3B8;
  --text-3: #64748B;
  --cyan: #22D3EE;
  --cyan-dim: #0891B2;
  --green: #00FF9C;
  --amber: #FBBF24;
  --red: #F87171;
  /* Inter + JetBrains Mono self-hosted (see @font-face below) —
     fonts.loli.net was returning 404s on CN networks. CJK falls
     through to native OS fonts (PingFang / YaHei / Hiragino). */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont,
    'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB',
    'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Menlo', 'Consolas',
    'Liberation Mono', monospace;
  --glass-bg: linear-gradient(180deg, rgba(255,255,255,0.045) 0%, rgba(255,255,255,0.018) 60%, rgba(255,255,255,0.008) 100%);
  --glass-bg-hover: linear-gradient(180deg, rgba(34,211,238,0.06) 0%, rgba(255,255,255,0.022) 60%, rgba(0,255,156,0.02) 100%);
  --glass-border: 1px solid rgba(255,255,255,0.09);
  --glass-shadow:
    0 20px 40px rgba(0, 0, 0, 0.35),
    0 4px 8px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-1);
  color: var(--text-0);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* -------- Platform background: grid + grain + vignette + subtle motion --------
 * Replaces the old 3-blob aurora which competed with content and was
 * CPU-heavy. Motion is deliberately restrained: slow drift on the grid,
 * a radar-style scan line, breathing corner brackets. All GPU-cheap
 * (transform + opacity only) so it stays smooth on low-end phones. */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  /* Cyan-tinted grid, faded at edges via radial mask */
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at center, rgba(0,0,0,0.9) 25%, transparent 78%);
          mask-image: radial-gradient(ellipse 90% 80% at center, rgba(0,0,0,0.9) 25%, transparent 78%);
  will-change: background-position;
  animation: platformGridDrift 60s linear infinite;
}
@keyframes platformGridDrift {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 56px 56px, 56px 56px; }
}

/* Scanning line — 1px cyan beam sweeps top to bottom (radar-style) */
.aurora-bg::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: -2px;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(34, 211, 238, 0.55) 20%, rgba(0, 255, 156, 0.7) 50%, rgba(34, 211, 238, 0.55) 80%, transparent 100%);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.6);
  opacity: 0.5;
  animation: platformScan 14s cubic-bezier(0.65, 0, 0.35, 1) infinite;
  will-change: transform;
}
@keyframes platformScan {
  0%   { transform: translateY(0); opacity: 0; }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(100vh); opacity: 0; }
}

/* Faint pulsing halo behind content — replaces the missing color-blob warmth */
.aurora-bg::after {
  content: '';
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(circle 60vw at 20% 30%, rgba(34, 211, 238, 0.06), transparent 70%),
    radial-gradient(circle 55vw at 80% 70%, rgba(0, 255, 156, 0.05), transparent 70%);
  animation: platformHaloBreath 18s ease-in-out infinite alternate;
  will-change: opacity, transform;
}
@keyframes platformHaloBreath {
  from { opacity: 0.7; transform: scale(1); }
  to   { opacity: 1.0; transform: scale(1.05); }
}
/* Old blob elements are still in the HTML; keep DOM but hide */
.aurora-bg .blob { display: none; }

/* Fine film grain — SVG turbulence, sits above bg below content */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 1;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Vignette — dim outer corners to draw focus to content */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 1;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(0, 0, 0, 0.55) 100%);
}

/* Corner brackets — technical / HUD feel, subtle breathe */
.corner {
  position: fixed;
  width: 14px; height: 14px;
  z-index: 3;
  color: rgba(34, 211, 238, 0.32);
  pointer-events: none;
  animation: cornerBreathe 4.2s ease-in-out infinite;
}
.corner.tr { animation-delay: 1.05s; }
.corner.bl { animation-delay: 2.10s; }
.corner.br { animation-delay: 3.15s; }
@keyframes cornerBreathe {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1;   }
}
.corner::before, .corner::after {
  content: '';
  position: absolute;
  background: currentColor;
}
.corner::before { top: 0; left: 0; width: 100%; height: 1px; }
.corner::after  { top: 0; left: 0; width: 1px; height: 100%; }
.corner.tl { top: 20px;    left: 20px; }
.corner.tr { top: 20px;    right: 20px;  transform: scaleX(-1); }
.corner.bl { bottom: 20px; left: 20px;   transform: scaleY(-1); }
.corner.br { bottom: 20px; right: 20px;  transform: scale(-1); }

/* Content sits above bg layers */
header, footer, main, .top-nav, .container, .profile-shell,
.bridge-hero, .bridge-form, .quote-preview, #payment-panel,
.scanner-hero, .summary, .results, .multisig, .input-bar {
  position: relative;
  z-index: 2;
}

@media (max-width: 640px) {
  .corner { width: 10px; height: 10px; }
  .corner.tl, .corner.tr { top: 12px; }
  .corner.bl, .corner.br { bottom: 12px; }
  .corner.tl, .corner.bl { left: 12px; }
  .corner.tr, .corner.br { right: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .aurora-bg,
  .aurora-bg::before,
  .aurora-bg::after,
  .corner { animation: none !important; }
}
body.decor-off .corner { display: none; }
body.decor-off .aurora-bg,
body.decor-off .aurora-bg::before,
body.decor-off .aurora-bg::after { background: none; animation: none; opacity: 0; }
body.decor-off::before { opacity: 0; }
body.decor-off::after { background: none; }
body.decor-off .fx-layer,
body.decor-off .fx-ambient { display: none !important; }

/* -------- Interaction effects layer (click ripple, particle burst) -------- */
.fx-layer {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

/* Click ripple: two rings blooming from the click point */
.fx-ring {
  position: absolute;
  border: 1px solid currentColor;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: fxRingBloom 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  will-change: width, height, opacity;
}
@keyframes fxRingBloom {
  from { width: 8px; height: 8px; opacity: 0.9; border-width: 1.5px; }
  to   { width: 260px; height: 260px; opacity: 0; border-width: 1px; }
}

/* Click particle: small dot flying outward */
.fx-spark {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  transform: translate(-50%, -50%);
  animation: fxSparkFly 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  will-change: transform, opacity;
}
@keyframes fxSparkFly {
  from { opacity: 1; transform: translate(-50%, -50%); }
  to   { opacity: 0; transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))); }
}

/* Ambient drifting motes — perpetual low-density particles in bg */
.fx-ambient {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.fx-mote {
  position: absolute;
  width: 2px; height: 2px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.55);
  box-shadow: 0 0 6px rgba(34, 211, 238, 0.4);
  animation: fxMoteFloat var(--dur, 22s) linear infinite;
  will-change: transform, opacity;
  opacity: 0;
}
@keyframes fxMoteFloat {
  0%   { transform: translateY(110vh) translateX(0);   opacity: 0; }
  10%  { opacity: 0.85; }
  50%  { transform: translateY(50vh)  translateX(var(--sway, 30px)); opacity: 1; }
  90%  { opacity: 0.85; }
  100% { transform: translateY(-10vh) translateX(0);   opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .fx-mote { animation: none !important; opacity: 0 !important; }
}

/* -------- Page shell -------- */
.page-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 420px;
  padding: 32px 28px;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* -------- Brand header -------- */
.brand-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.brand-header img.logo {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  object-fit: contain;
}
.brand-header .title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-0);
}

/* -------- Segmented control -------- */
.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  margin: 0 auto 20px;
  max-width: 260px;
  position: relative;
}
.segmented .seg-btn {
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.15s;
  font-family: inherit;
}
.segmented .seg-btn.active {
  color: #001018;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 4px 12px rgba(34, 211, 238, 0.25);
}
.segmented .seg-btn:not(.active):hover { color: var(--text-0); }

/* -------- Mode sections (show/hide based on data-mode) -------- */
.mode-block { display: none; }
[data-mode="wallet"] .mode-wallet,
[data-mode="email"] .mode-email {
  display: block;
}

/* -------- Wallet section -------- */
.section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-3);
  margin: 20px 0 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.section-title:first-child { margin-top: 0; }

.wallet-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wallet-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  color: var(--text-0);
  transition: background 0.15s, border-color 0.15s;
  font-family: inherit;
}
.wallet-btn:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(34, 211, 238, 0.25);
}
.wallet-btn .brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wallet-btn .name {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
}
.wallet-btn .tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
  font-weight: 600;
}
.wallet-btn .tag.dim {
  background: rgba(148, 163, 184, 0.10);
  color: var(--text-2);
}
.wallet-btn .detected {
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
  margin-right: 2px;
}
.wallet-btn .arrow {
  color: var(--text-3);
  transition: transform 0.15s, color 0.15s;
}
.wallet-btn:hover .arrow {
  color: var(--cyan);
  transform: translateX(3px);
}
.section-hint {
  font-size: 11px;
  color: var(--text-3);
  margin-top: 6px;
  margin-left: 4px;
}

/* -------- Email form -------- */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
}
.form-group .input-wrap {
  position: relative;
}
.form-group input {
  width: 100%;
  padding: 12px 14px;
  padding-right: 42px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-0);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s;
}
.form-group input:focus {
  outline: none;
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(0, 0, 0, 0.35);
}
.form-group input::placeholder {
  color: var(--text-3);
}
.form-group .input-eye {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--text-3);
  user-select: none;
  padding: 4px;
}
.form-group .input-eye:hover { color: var(--text-1); }

.form-group .helper-link {
  text-align: right;
  margin-top: 6px;
}
.form-group .helper-link a {
  font-size: 12px;
  color: var(--text-2);
  text-decoration: none;
}
.form-group .helper-link a:hover { color: var(--cyan); }

.submit-btn {
  width: 100%;
  padding: 14px 0;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: #001018;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 4px 20px rgba(34, 211, 238, 0.20);
  transition: transform 0.1s, box-shadow 0.15s;
  margin-top: 8px;
}
.submit-btn:hover {
  box-shadow: 0 6px 24px rgba(34, 211, 238, 0.30);
}
.submit-btn:active {
  transform: translateY(1px);
}

/* -------- Password strength meter (register only) -------- */
.strength-meter {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin-top: 6px;
}
.strength-meter .seg {
  height: 4px;
  border-radius: 2px;
  background: rgba(148, 163, 184, 0.15);
  transition: background 0.2s;
}
.strength-meter[data-level="1"] .seg:nth-child(1) { background: var(--red); }
.strength-meter[data-level="2"] .seg:nth-child(-n+2) { background: var(--amber); }
.strength-meter[data-level="3"] .seg:nth-child(-n+3) { background: var(--cyan); }
.strength-meter[data-level="4"] .seg { background: var(--green); box-shadow: 0 0 8px rgba(0, 255, 156, 0.4); }

/* -------- Terms checkbox (register) -------- */
.terms {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 16px 0;
  font-size: 12px;
  color: var(--text-2);
}
.terms input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--cyan);
  flex-shrink: 0;
}
.terms a { color: var(--cyan); text-decoration: none; }

/* -------- Footer -------- */
.foot-swap {
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-2);
}
.foot-swap a { color: var(--cyan); text-decoration: none; font-weight: 600; }
.foot-trust {
  margin-top: 12px;
  text-align: center;
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.4px;
}

/* -------- Toast -------- */
.toast-wrap {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  pointer-events: none;
}
.toast {
  padding: 12px 20px;
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: 10px;
  color: var(--text-0);
  font-size: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.2s, transform 0.2s;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* -------- Decor toggle button (fixed bottom-right) -------- */
.decor-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 50;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-0);
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-family: inherit;
}
.decor-toggle:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 6px 20px rgba(34, 211, 238, 0.25);
}
/* ON state (decor visible): cyan halo + brighter icon + tiny green status dot */
.decor-toggle[aria-pressed="false"] {
  color: #22d3ee;
  border-color: rgba(34, 211, 238, 0.45);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(0, 255, 156, 0.06));
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35), 0 0 20px rgba(34, 211, 238, 0.35);
}
.decor-toggle[aria-pressed="false"]::after {
  content: '';
  position: absolute;
  top: 6px; right: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #00ff9c;
  box-shadow: 0 0 8px #00ff9c;
  animation: decorDot 1.8s ease-in-out infinite;
}
@keyframes decorDot {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 1;    }
}
/* OFF state (decor hidden): dimmed icon + strike-through slash + grey dot */
.decor-toggle[aria-pressed="true"] {
  color: #64748b;
  background: rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  opacity: 0.75;
}
.decor-toggle[aria-pressed="true"]::after {
  content: '';
  position: absolute;
  top: 6px; right: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.4);
}
.decor-toggle::before, .decor-toggle::after { pointer-events: none; }
body.decor-off .aurora-bg,
body.decor-off .planet {
  display: none !important;
}

/* -------- Responsive -------- */
@media (max-width: 600px) {
  .page-wrap { padding: 16px; }
  .card { padding: 24px 20px; }
  .brand-header img.logo { width: 64px; height: 64px; }
  .brand-header .title { font-size: 20px; }
  .segmented { max-width: 100%; }
  .wallet-btn { padding: 10px 12px; }
  .wallet-btn .name { font-size: 14px; }
  .foot-trust { font-size: 10px; }
}