/* =========================================================
   FINAL PWA INSTALL UI (OXOTRADE)
   - Clean black theme
   - 2-line banner subtitle
   - Smaller buttons
   - Animated roaming border
   - Subtle hover glow
   - Footer darker
   - Divider above footer buttons
   - Tip max 2 lines
   - No icon
   - No animations on tip
========================================================= */

/* ---------- Banner ---------- */
.pwa-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;

  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);

  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  color: #fff;
  padding: 12px 14px;

  opacity: 1;
  transform: translateY(0);
  transition: opacity .28s ease, transform .28s ease;
}

.pwa-banner.is-hiding {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
}

.pwa-banner__inner {
  max-width: 1100px;
  margin: 0 auto;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pwa-banner__text {
  max-width: 60%;
  min-width: 0;
}

.pwa-banner__title {
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .2px;
}

.pwa-banner__subtitle {
  font-size: 12px;
  opacity: .85;
  margin-top: 2px;
  line-height: 1.3;

  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pwa-banner__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .pwa-banner__text { max-width: 65%; }
  .pwa-banner__subtitle { -webkit-line-clamp: 3; }
}

/* ---------- Buttons ---------- */
.pwa-btn {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .08);
  color: #fff;
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  font-size: 12px;
  line-height: 1;
  position: relative;
  transition: background .18s ease, box-shadow .18s ease, transform .18s ease;
}

.pwa-btn:hover {
  background: rgba(255, 255, 255, .12);
}

.pwa-btn--ghost {
  border-color: transparent;
  background: transparent;
  padding: 8px 10px;
  font-size: 16px;
  opacity: .9;
}

.pwa-btn--primary {
  border: 1px solid rgba(46, 134, 222, .55);
  background: rgba(0, 0, 0, 0.25);
  padding: 8px 16px;
  overflow: hidden;
}

/* Subtle glow on hover */
.pwa-btn--primary:hover {
  box-shadow:
    0 0 0 1px rgba(46, 134, 222, .25),
    0 0 18px rgba(46, 134, 222, .22),
    0 0 34px rgba(46, 134, 222, .12);
  transform: translateY(-1px);
}

/* Animated roaming border */
.pwa-btn--primary::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 999px;

  background: conic-gradient(
    from 0deg,
    rgba(46, 134, 222, 0) 0deg,
    rgba(46, 134, 222, .90) 60deg,
    rgba(46, 134, 222, 0) 140deg,
    rgba(46, 134, 222, 0) 360deg
  );

  animation: pwaBorderSpin 1.6s linear infinite;

  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;

  padding: 2px;
  pointer-events: none;
}

@keyframes pwaBorderSpin {
  to { transform: rotate(360deg); }
}

.pwa-btn--primary span {
  position: relative;
  z-index: 2;
}

/* ---------- Modal ---------- */
.pwa-modal[hidden] { display: none; }

.pwa-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 18px;
}

.pwa-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .70);
}

.pwa-modal__panel {
  position: relative;
  width: min(680px, 100%);
  background: #000;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .10);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .60);
  overflow: hidden;

  opacity: 1;
  transform: translateY(0);
  transition: opacity .22s ease, transform .22s ease;
}

.pwa-modal.is-hiding .pwa-modal__panel {
  opacity: 0;
  transform: translateY(10px);
}

.pwa-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 16px 16px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.pwa-modal__header-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 85%;
}

.pwa-modal__title {
  font-size: 16px;
  font-weight: 900;
}

.pwa-modal__appname {
  font-size: 12px;
  opacity: .55;
}

.pwa-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 16px 0;
}

.pwa-tab {
  border-radius: 999px;
  padding: 8px 10px;
  font-weight: 800;
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .06);
  color: #fff;
  cursor: pointer;
}

.pwa-tab.is-active {
  background: rgba(46, 134, 222, .18);
  border-color: rgba(46, 134, 222, .55);
}

.pwa-tabpanes {
  padding: 14px 16px 2px;
}

.pwa-pane {
  display: none;
}

.pwa-pane.is-active {
  display: block;
}

.pwa-steps {
  margin: 0;
  padding-left: 18px;
}

.pwa-steps li {
  margin: 10px 0;
  line-height: 1.45;
}

/* ---------- Modal Footer ---------- */
.pwa-modal__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px 16px;

  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.pwa-modal__footer-left {
  max-width: 65%;
  min-width: 0;
  flex: 1;
  position: relative;
}

.pwa-modal__footer-right {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
  position: relative;
  padding-top: 8px;
}

/* Divider above footer buttons only */
.pwa-modal__footer-right::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: rgba(255, 255, 255, .10);
  border-radius: 999px;
  opacity: .65;
}

/* Tip (no icon, no animation) */
.pwa-modal__tip {
  font-size: 12px;
  opacity: .78;
  line-height: 1.4;

  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;

  word-break: break-word;
}

/* Subtle right-edge fade */
.pwa-modal__footer-left::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 30px;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,0.98));
  pointer-events: none;
}