/* =============================================================
   widgets-slw.css  —  SignX Sign Language Widget
   Floating corner button + slide-up panel
   Load via:  <link rel="stylesheet" href="{% static 'css/widgets-slw.css' %}">
============================================================= */


/* ── Trigger Button ─────────────────────────────────────── */
.slw-trigger {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 10100;           /* above modals (9999) and panel (10000) */
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  /* overflow must be visible so the pulse ring shows */
  overflow: visible;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.38);
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.22s ease;
  outline: none;
}

.slw-trigger:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.50);
}

.slw-trigger:active {
  transform: scale(0.96);
}

/* Icons inside the button */
.slw-trigger .slw-icon-hand,
.slw-trigger .slw-icon-close {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  /* pointer-events off so clicks always reach the button */
  pointer-events: none;
}

.slw-trigger .slw-icon-hand { display: block; }
.slw-trigger .slw-icon-close { display: none; }

.slw-trigger.slw-open .slw-icon-hand  { display: none; }
.slw-trigger.slw-open .slw-icon-close { display: block; }


/* Pulse ring — sits outside the button via pseudo-element */
.slw-trigger::before {
  content: '';
  position: absolute;
  /* use negative margin trick instead of inset so it doesn't get clipped */
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border-radius: 50%;
  border: 2px solid rgba(37, 99, 235, 0.45);
  animation: slwPulse 2.4s ease-out infinite;
  pointer-events: none;
}

@keyframes slwPulse {
  0%   { transform: scale(1);    opacity: 0.9; }
  70%  { transform: scale(1.4);  opacity: 0;   }
  100% { transform: scale(1.4);  opacity: 0;   }
}

.slw-trigger.slw-open::before {
  animation: none;
  opacity: 0;
}


/* ── Panel ──────────────────────────────────────────────── */
.slw-panel {
  position: fixed;
  bottom: 108px;
  right: 32px;
  z-index: 10000;           /* below trigger (10100), above page content */
  width: 320px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid rgba(6, 182, 212, 0.22);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;

  /* hidden state — opacity+transform so layout is never disrupted */
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transform-origin: bottom right;
  pointer-events: none;
  transition: opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  /* keep it out of the tab order when hidden */
  visibility: hidden;
}

.slw-panel.slw-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  visibility: visible;
}


/* ── Panel Header ───────────────────────────────────────── */
.slw-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid rgba(6, 182, 212, 0.15);
  background: rgba(255, 255, 255, 0.03);
}

.slw-logo {
  height: 34px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

/* Text fallback shown when logo image 404s */
.slw-logo-fallback {
  display: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.slw-header-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.slw-header-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  line-height: 1.2;
  white-space: nowrap;
}

/* override any global .slw-header-sub that might inherit from widgets-modal */
.slw-panel .slw-header-sub {
  font-size: 11px;
  color: rgba(6, 182, 212, 0.85);
  margin-top: 2px;
  font-weight: 400;
}

/* Live pulsing dot */
.slw-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #06B6D4;
  margin-left: auto;
  flex-shrink: 0;
  animation: slwDotPulse 1.8s ease-out infinite;
}

@keyframes slwDotPulse {
  0%   { box-shadow: 0 0 0 0   rgba(6, 182, 212, 0.6); }
  70%  { box-shadow: 0 0 0 7px rgba(6, 182, 212, 0);   }
  100% { box-shadow: 0 0 0 0   rgba(6, 182, 212, 0);   }
}


/* ── Video viewport ─────────────────────────────────────── */
.slw-video-wrap {
  position: relative;
  width: 100%;
  /* 4:3 keeps sign language content well-framed */
  aspect-ratio: 4 / 3;
  background: #060e1e;
  /* overflow hidden here is fine — it only clips the video, not the trigger */
  overflow: hidden;
}

.slw-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


/* Idle overlay — visible until first hover */
.slw-idle-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(6, 14, 30, 0.75);
  transition: opacity 0.3s ease;
}

.slw-idle-overlay.slw-hidden {
  opacity: 0;
  pointer-events: none;
}

.slw-idle-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.16);
  border: 1.5px solid rgba(37, 99, 235, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.slw-idle-icon svg {
  width: 26px;
  height: 26px;
}

.slw-idle-text {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
  max-width: 200px;
  line-height: 1.55;
  padding: 0 16px;
}


/* ── Caption bar ────────────────────────────────────────── */
.slw-caption {
  padding: 11px 16px 14px;
  min-height: 50px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.slw-caption-label {
  font-size: 10px;
  color: rgba(6, 182, 212, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  flex-shrink: 0;
  padding-top: 2px;
}

.slw-caption-text {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.5;
  font-style: italic;
  transition: opacity 0.25s ease;
}

.slw-caption-text.slw-fade {
  opacity: 0;
}


/* ── RTL (Arabic) ───────────────────────────────────────── */
[dir="rtl"] .slw-trigger {
  right: auto;
  left: 32px;
}

[dir="rtl"] .slw-panel {
  right: auto;
  left: 32px;
  transform-origin: bottom left;
}


/* ── Mobile ─────────────────────────────────────────────── */
@media (max-width: 480px) {
  .slw-trigger {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }

  [dir="rtl"] .slw-trigger {
    right: auto;
    left: 20px;
  }

  .slw-panel {
    right: 12px;
    bottom: 86px;
    width: calc(100vw - 24px);
    max-width: 360px;
  }

  [dir="rtl"] .slw-panel {
    right: auto;
    left: 12px;
  }
}