/*
 * Banana Friends — Liquid Button System
 * Visual-only enhancement. Existing actions, links and JavaScript contracts stay intact.
 */

:root {
  --bf-action: #ff004f;
  --bf-action-hover: #e50047;
  --bf-action-pressed: #c9003e;
  --bf-action-rgb: 255, 0, 79;
  --bf-action-ink: #ffffff;
  --bf-liquid-ink: #17171a;
  --bf-liquid-border: rgba(255, 255, 255, 0.78);
  --bf-liquid-surface: rgba(255, 255, 255, 0.68);
  --bf-liquid-surface-strong: rgba(255, 255, 255, 0.84);
  --bf-liquid-shadow:
    0 10px 30px rgba(28, 25, 28, 0.12), 0 2px 8px rgba(28, 25, 28, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    inset 0 -1px 0 rgba(81, 44, 56, 0.08);
  --bf-liquid-shadow-hover:
    0 16px 36px rgba(34, 28, 30, 0.17), 0 5px 12px rgba(34, 28, 30, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -1px 0 rgba(81, 44, 56, 0.1);
  --bf-action-shadow:
    0 12px 28px rgba(var(--bf-action-rgb), 0.3),
    0 3px 9px rgba(139, 0, 43, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.48),
    inset 0 -1px 0 rgba(105, 0, 33, 0.24);
}

/* Safe interaction baseline. It does not alter the dimensions of content controls. */
.bf-liquid-enabled
  :where(
    button,
    [role="button"],
    a[class*="btn"],
    a[class*="button"],
    a[class*="cta"]
  ) {
  -webkit-tap-highlight-color: transparent;
}

.bf-liquid-enabled [data-bf-liquid] {
  --bf-light-x: 50%;
  --bf-light-y: 0%;
  position: relative !important;
  isolation: isolate;
  overflow: hidden;
  border-style: solid;
  border-width: 1px;
  font-family: inherit;
  font-weight: 750;
  letter-spacing: -0.012em;
  text-decoration: none;
  cursor: pointer;
  transform: translateZ(0);
  will-change: transform, box-shadow, filter;
  transition:
    transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 220ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    filter 180ms ease,
    opacity 180ms ease !important;
}

.bf-liquid-enabled [data-bf-liquid] .bf-liquid-sheen {
  position: absolute;
  z-index: 0;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0.72;
  background:
    radial-gradient(
      circle 150px at var(--bf-light-x) var(--bf-light-y),
      rgba(255, 255, 255, 0.5),
      rgba(255, 255, 255, 0.12) 38%,
      transparent 70%
    ),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 44%);
  mix-blend-mode: soft-light;
  transition: opacity 180ms ease;
}

.bf-liquid-enabled [data-bf-liquid]:hover .bf-liquid-sheen,
.bf-liquid-enabled [data-bf-liquid]:focus-visible .bf-liquid-sheen {
  opacity: 1;
}

.bf-liquid-enabled
  [data-bf-liquid]:hover:not(:disabled):not([aria-disabled="true"]) {
  transform: translateY(-2px) scale(1.012);
  filter: saturate(1.06);
}

.bf-liquid-enabled
  [data-bf-liquid]:active:not(:disabled):not([aria-disabled="true"]) {
  transform: translateY(1px) scale(0.982);
  transition-duration: 90ms !important;
}

.bf-liquid-enabled [data-bf-liquid]:focus-visible {
  outline: none !important;
  box-shadow:
    0 0 0 3px rgba(255, 255, 255, 0.96),
    0 0 0 6px rgba(var(--bf-action-rgb), 0.42),
    var(--bf-liquid-shadow-hover) !important;
}

.bf-liquid-enabled [data-bf-liquid]:disabled,
.bf-liquid-enabled [data-bf-liquid][aria-disabled="true"] {
  cursor: not-allowed !important;
  opacity: 0.48 !important;
  filter: grayscale(0.18) saturate(0.7) !important;
  transform: none !important;
  box-shadow: none !important;
}

.bf-liquid-enabled [data-bf-liquid][aria-busy="true"],
.bf-liquid-enabled [data-bf-liquid].is-loading {
  cursor: progress !important;
  opacity: 0.76;
  filter: saturate(0.76);
}

/* Main action: one solid colour with optical glass highlights. */
.bf-liquid-enabled [data-bf-liquid][data-bf-variant="primary"] {
  color: var(--bf-action-ink) !important;
  background-color: var(--bf-action) !important;
  background-image: none !important;
  border-color: rgba(255, 255, 255, 0.46) !important;
  box-shadow: var(--bf-action-shadow) !important;
  text-shadow: 0 1px 1px rgba(111, 0, 34, 0.22);
}

.bf-liquid-enabled
  [data-bf-liquid][data-bf-variant="primary"]:hover:not(:disabled):not(
    [aria-disabled="true"]
  ) {
  background-color: var(--bf-action-hover) !important;
  box-shadow:
    0 17px 36px rgba(var(--bf-action-rgb), 0.36),
    0 5px 12px rgba(139, 0, 43, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.54),
    inset 0 -1px 0 rgba(105, 0, 33, 0.26) !important;
}

.bf-liquid-enabled
  [data-bf-liquid][data-bf-variant="primary"]:active:not(:disabled):not(
    [aria-disabled="true"]
  ) {
  background-color: var(--bf-action-pressed) !important;
  box-shadow:
    0 5px 14px rgba(var(--bf-action-rgb), 0.24),
    inset 0 2px 5px rgba(105, 0, 33, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.26) !important;
}

/* Neutral Liquid Glass controls. */
.bf-liquid-enabled [data-bf-liquid][data-bf-variant="glass"] {
  color: var(--bf-liquid-ink) !important;
  background-color: var(--bf-liquid-surface) !important;
  background-image: none !important;
  border-color: var(--bf-liquid-border) !important;
  box-shadow: var(--bf-liquid-shadow) !important;
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
}

.bf-liquid-enabled
  [data-bf-liquid][data-bf-variant="glass"]:hover:not(:disabled):not(
    [aria-disabled="true"]
  ) {
  color: #21171a !important;
  background-color: var(--bf-liquid-surface-strong) !important;
  border-color: rgba(var(--bf-action-rgb), 0.24) !important;
  box-shadow: var(--bf-liquid-shadow-hover) !important;
}

/* Tabs, filters and compact choices. */
.bf-liquid-enabled [data-bf-liquid][data-bf-variant="subtle"] {
  color: #565057 !important;
  background-color: rgba(250, 248, 249, 0.68) !important;
  background-image: none !important;
  border-color: rgba(77, 61, 66, 0.1) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.94),
    0 4px 12px rgba(40, 31, 34, 0.06) !important;
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
}

.bf-liquid-enabled
  [data-bf-liquid][data-bf-variant="subtle"]:hover:not(:disabled):not(
    [aria-disabled="true"]
  ),
.bf-liquid-enabled [data-bf-liquid][data-bf-variant="subtle"].is-active,
.bf-liquid-enabled [data-bf-liquid][data-bf-variant="subtle"].active,
.bf-liquid-enabled
  [data-bf-liquid][data-bf-variant="subtle"][aria-selected="true"],
.bf-liquid-enabled
  [data-bf-liquid][data-bf-variant="subtle"][aria-pressed="true"] {
  color: #d70043 !important;
  background-color: rgba(var(--bf-action-rgb), 0.12) !important;
  border-color: rgba(var(--bf-action-rgb), 0.24) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    0 7px 18px rgba(var(--bf-action-rgb), 0.12) !important;
}

/* Media overlays remain legible on photography and video. */
.bf-liquid-enabled [data-bf-liquid][data-bf-variant="overlay"] {
  color: #ffffff !important;
  background-color: rgba(22, 18, 20, 0.46) !important;
  background-image: none !important;
  border-color: rgba(255, 255, 255, 0.34) !important;
  box-shadow:
    0 8px 20px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
}

.bf-liquid-enabled
  [data-bf-liquid][data-bf-variant="overlay"]:hover:not(:disabled):not(
    [aria-disabled="true"]
  ) {
  background-color: rgba(73, 18, 36, 0.62) !important;
  border-color: rgba(255, 255, 255, 0.54) !important;
}

/* Destructive actions keep a clear and accessible semantic colour. */
.bf-liquid-enabled [data-bf-liquid][data-bf-variant="danger"] {
  color: #ffffff !important;
  background-color: #e5485f !important;
  background-image: none !important;
  border-color: rgba(255, 255, 255, 0.42) !important;
  box-shadow:
    0 11px 26px rgba(211, 48, 76, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.44),
    inset 0 -1px 0 rgba(118, 19, 38, 0.18) !important;
}

.bf-liquid-enabled
  [data-bf-liquid][data-bf-variant="danger"]:hover:not(:disabled):not(
    [aria-disabled="true"]
  ) {
  background-color: #d93d55 !important;
  box-shadow:
    0 15px 32px rgba(211, 48, 76, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.5) !important;
}

/* Icon actions stay circular without changing their established footprint. */
.bf-liquid-enabled [data-bf-liquid][data-bf-shape="icon"] {
  display: inline-grid;
  place-items: center;
  padding: 0 !important;
  min-width: 42px;
  min-height: 42px;
  aspect-ratio: 1;
  border-radius: 999px !important;
}

.bf-liquid-enabled
  :where(.btn-discard, .btn-like-friend, .btn-like-match)[data-bf-liquid] {
  border-radius: 999px !important;
}

/* Notification dots may intentionally sit outside the circular control. */
.bf-liquid-enabled .action-btn.notify[data-bf-liquid],
.bf-liquid-enabled .bf-web-icon-link[data-bf-liquid] {
  overflow: visible;
}

.bf-liquid-enabled .bf-web-create-plan[data-bf-liquid],
.bf-liquid-enabled .bf-web-mobile-create[data-bf-liquid],
.bf-liquid-enabled .bf-community-join[data-bf-liquid] {
  border-radius: 14px !important;
}

/* Pointer/touch light wave. */
.bf-liquid-ripple {
  position: absolute;
  z-index: 3;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.56);
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.42);
  transform: scale(0);
  opacity: 0.9;
  animation: bf-liquid-ripple 640ms cubic-bezier(0.15, 0.75, 0.25, 1) forwards;
}

@keyframes bf-liquid-ripple {
  70% {
    opacity: 0.34;
  }
  to {
    transform: scale(24);
    opacity: 0;
  }
}

@supports not (
  (-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))
) {
  .bf-liquid-enabled [data-bf-liquid][data-bf-variant="glass"] {
    background-color: #faf8f9 !important;
  }

  .bf-liquid-enabled [data-bf-liquid][data-bf-variant="subtle"] {
    background-color: #f7f3f4 !important;
  }
}

@media (max-width: 760px) {
  .bf-liquid-enabled
    [data-bf-liquid]:not([data-bf-variant="subtle"]):not(
      [data-bf-shape="icon"]
    ) {
    min-height: 44px;
  }

  .bf-liquid-enabled [data-bf-liquid][data-bf-shape="icon"] {
    min-width: 40px;
    min-height: 40px;
  }

  .bf-liquid-enabled [data-bf-liquid] {
    -webkit-backdrop-filter: blur(14px) saturate(165%);
    backdrop-filter: blur(14px) saturate(165%);
  }
}

@media (hover: none), (pointer: coarse) {
  .bf-liquid-enabled
    [data-bf-liquid]:hover:not(:disabled):not([aria-disabled="true"]) {
    transform: none;
  }

  .bf-liquid-enabled
    [data-bf-liquid]:active:not(:disabled):not([aria-disabled="true"]) {
    transform: scale(0.972);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bf-liquid-enabled [data-bf-liquid] {
    transition:
      background-color 120ms ease,
      border-color 120ms ease,
      color 120ms ease !important;
    transform: none !important;
  }

  .bf-liquid-enabled .bf-liquid-ripple {
    display: none !important;
    animation: none !important;
  }
}