/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ── Tokens ──────────────────────────────────────────────── */
:root {
  /* Lava orange ramp — House of Bitcoin brand */
  --btc:          #FF6B00;   /* main brand / base */
  --btc-mid:      #FF8C00;   /* gradients, mid stop */
  --btc-hi:       #FFB340;   /* headline highlight */
  --btc-deep:     #C43C00;   /* glow, depth */
  --btc-lava:     #FF3D00;   /* lava core, sparingly */
  --btc-dark:     #8B2200;
  --btc-dim:      rgba(255,107,0,0.35);
  --btc-glow:     rgba(255,107,0,0.10);
  --btc-badge-bg: rgba(255,107,0,0.07);
  --btc-badge-border: rgba(196,60,0,0.20);
  --btc-gradient: linear-gradient(135deg, var(--btc), var(--btc-deep));
  --btc-gradient-text: linear-gradient(135deg, var(--btc-mid), var(--btc-hi));
  --btc-gradient-lava: linear-gradient(90deg, var(--btc-lava), var(--btc), var(--btc-hi));

  --zap:          #FFC24B;
  --green:        #22c55e;
  --red-live:     #ef4444;
  --blue-user:    #60a5fa;
  --purple-user:  #a78bfa;
  --teal-user:    #34d399;
  --orange-user:  #fb923c;
  --pink-user:    #e879f9;
  --sky-user:     #38bdf8;

  --bg:           #08090c;
  --bg-surface:   #0c0d11;
  --bg-deep:      #09090e;
  --bg-raised:    rgba(255,255,255,0.04);
  --bg-hover:     rgba(255,255,255,0.02);

  --text:         rgba(255,255,255,0.7);
  --text-bright:  rgba(255,255,255,0.88);
  --text-muted:   rgba(255,255,255,0.3);
  --text-dim:     rgba(255,255,255,0.18);

  --border:       rgba(255,255,255,0.06);
  --border-mid:   rgba(255,255,255,0.1);
  --border-btc:   rgba(255,107,0,0.20);

  --font-display: 'Satoshi', 'Space Grotesk', sans-serif;
  --font-body:    'Satoshi', 'Inter', sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius:       6px;
  --radius-lg:    10px;
  --chat-width:   340px;

  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
}

@font-face {
  font-family: 'Satoshi';
  src: url('https://cdn.houseofbitcoin.com/fonts/Satoshi-Variable.woff2') format('woff2-variations'),
       url('https://cdn.houseofbitcoin.com/fonts/Satoshi-Variable.woff2') format('woff2');
  font-weight: 300 900;
  font-display: swap;
}
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&display=swap');

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ──────────────────────────────────────────────── */
.layout {
  display: grid;
  grid-template-rows: 50px 1fr 36px;
  grid-template-columns: 1fr var(--chat-width);
  height: 100vh;
  width: 100vw;
}

.layout--embed {
  grid-template-columns: 1fr;
}

/* ── Top bar ─────────────────────────────────────────────── */
.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 0.5px solid var(--border);
  background: var(--bg-surface);
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.channel-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--btc-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.channel-name span {
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
}

.live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(239,68,68,0.08);
  border: 0.5px solid rgba(239,68,68,0.25);
  border-radius: 99px;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #f87171;
  text-transform: uppercase;
}

.live-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--red-live);
  animation: dotPulse 1.8s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
  50%       { opacity: 0.4; box-shadow: 0 0 0 4px rgba(239,68,68,0); }
}

.price-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 4px 10px 4px 8px;
  border-radius: 99px;
  background: var(--bg-raised);
  border: 0.5px solid var(--border);
}

.price-chip .btc-icon {
  width: 13px; height: 13px;
  flex-shrink: 0;
}

.price-chip strong {
  color: var(--text-bright);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.price-chip .price-delta {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
}

.price-chip .price-delta.up   { color: var(--green); background: rgba(34,197,94,0.12); }
.price-chip .price-delta.down { color: var(--red-live); background: rgba(239,68,68,0.12); }

.price-chip.price-chip--stale strong { opacity: 0.4; }

/* ── Account / Auth ──────────────────────────────────────── */
.account-area { position: relative; display: flex; align-items: center; }

.avatar-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: none;
  border: 0.5px solid transparent;
  border-radius: 99px;
  padding: 3px 10px 3px 4px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  font-family: var(--font-body);
}

.avatar-btn:hover { border-color: var(--border-mid); background: var(--bg-raised); }

.avatar-circle {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: var(--btc-gradient);
  flex-shrink: 0;
  text-transform: uppercase;
}

.avatar-name {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-bright);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sign-in-btn {
  background: var(--btc-gradient);
  border: none;
  color: #fff;
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 7px 14px;
  border-radius: 99px;
  cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
}

.sign-in-btn:hover { filter: brightness(1.08); }
.sign-in-btn:active { transform: scale(0.97); }

.account-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 190px;
  background: var(--bg-surface);
  border: 0.5px solid var(--border-mid);
  border-radius: var(--radius-lg);
  padding: 6px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  z-index: 200;
}

.account-menu[hidden] { display: none; }

.account-menu-header {
  padding: 8px 10px 10px;
  border-bottom: 0.5px solid var(--border);
  margin-bottom: 6px;
}

.account-menu-email {
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 12.5px;
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: background 0.12s, color 0.12s;
}

.account-menu-item:hover { background: var(--bg-hover); color: var(--text-bright); }
.account-menu-item.danger:hover { color: var(--red-live); background: rgba(239,68,68,0.08); }

/* ── Auth modal ──────────────────────────────────────────── */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4,3,2,0.72);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  animation: fadeIn 0.18s var(--ease-out);
}

.auth-overlay[hidden] { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.auth-modal {
  width: 360px;
  max-width: calc(100vw - 32px);
  background: var(--bg-surface);
  border: 0.5px solid var(--border-mid);
  border-radius: 16px;
  padding: 28px 26px 24px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
  animation: modalIn 0.22s var(--ease-out);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none; border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  transition: color 0.15s;
}
.auth-close:hover { color: var(--text-muted); }

.auth-logo {
  width: 34px; height: 34px;
  margin-bottom: 14px;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.auth-subtitle {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.auth-field { margin-bottom: 12px; }

.auth-label {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.auth-input {
  width: 100%;
  background: var(--bg-raised);
  border: 0.5px solid var(--border-mid);
  border-radius: var(--radius);
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.auth-input:focus { border-color: var(--btc-dim); }
.auth-input::placeholder { color: var(--text-dim); }

.auth-submit {
  width: 100%;
  background: var(--btc-gradient);
  border: none;
  color: #fff;
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 11px;
  border-radius: var(--radius);
  cursor: pointer;
  margin-top: 6px;
  transition: filter 0.15s, transform 0.08s, opacity 0.15s;
}

.auth-submit:hover:not(:disabled) { filter: brightness(1.08); }
.auth-submit:active:not(:disabled) { transform: scale(0.985); }
.auth-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.auth-error {
  font-size: 12px;
  color: var(--red-live);
  background: rgba(239,68,68,0.08);
  border: 0.5px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  padding: 8px 10px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.auth-error[hidden] { display: none; }

.auth-switch {
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 16px;
}

.auth-switch button {
  background: none;
  border: none;
  color: var(--btc-hi);
  font-weight: 600;
  cursor: pointer;
  font-size: 12px;
  padding: 0;
}

.auth-switch button:hover { text-decoration: underline; }

.auth-guest {
  text-align: center;
  margin-top: 10px;
}

.auth-guest button {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 11px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.auth-guest button:hover { color: var(--text-muted); }

/* ── Toasts ──────────────────────────────────────────────── */
.toast-stack {
  position: fixed;
  top: 60px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 800;
  pointer-events: none;
}

.toast {
  min-width: 220px;
  max-width: 320px;
  background: var(--bg-surface);
  border: 0.5px solid var(--border-mid);
  border-left: 2px solid var(--btc);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-bright);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: toastIn 0.2s var(--ease-out);
}

.toast--error { border-left-color: var(--red-live); }
.toast--success { border-left-color: var(--green); }

.toast.toast--out { animation: toastOut 0.18s ease-in forwards; }

@keyframes toastIn { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(16px); } }

.viewers {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.viewers strong { color: var(--text-muted); }

.username-display {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.15s;
}

.username-display:hover { color: var(--text-muted); }

/* ── Video area ──────────────────────────────────────────── */
.video-area {
  grid-row: 2;
  grid-column: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-right: 0.5px solid var(--border);
  position: relative;
  overflow: hidden;
}

.layout--embed .video-area { display: none; }

/* Subtle grid overlay */
.video-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--btc-glow) 1px, transparent 1px),
    linear-gradient(90deg, var(--btc-glow) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.video-placeholder {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.video-placeholder svg {
  width: 64px;
  height: 64px;
}

.video-placeholder p {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ── Chat panel ──────────────────────────────────────────── */
.chat-panel {
  grid-row: 2;
  grid-column: 2;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  overflow: hidden;
}

.layout--embed .chat-panel { grid-column: 1; }

.chat-header {
  padding: 9px 14px;
  border-bottom: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.chat-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Pinned superchat */
.pinned-msg {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--btc-glow);
  border-bottom: 0.5px solid var(--border-btc);
  font-size: 12px;
}

.pinned-msg[hidden] { display: none; }

.pin-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--btc);
  border: 0.5px solid var(--btc-dim);
  padding: 1px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}

.pin-user { font-weight: 600; color: var(--text-bright); }
.pin-text { color: var(--text-muted); flex: 1; min-width: 0; }
.pin-sats { font-size: 10px; font-weight: 600; color: var(--btc); margin-left: auto; flex-shrink: 0; }

/* Chat list */
.chat-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  scroll-behavior: smooth;
}

.chat-list::-webkit-scrollbar { width: 2px; }
.chat-list::-webkit-scrollbar-track { background: transparent; }
.chat-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 99px; }

/* Messages */
.msg {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 3.5px 14px;
  transition: background 0.1s;
  font-size: 12.5px;
  line-height: 1.45;
}

.msg:hover { background: var(--bg-hover); }
.msg.expiring { opacity: 0; transition: opacity 0.8s; }

.msg-user {
  font-weight: 600;
  font-size: 11.5px;
  flex-shrink: 0;
  white-space: nowrap;
}

.msg-user::after { content: ':'; opacity: 0.3; margin-left: 1px; }

.msg-text { color: var(--text); word-break: break-word; }

/* Command message */
.msg--command { background: rgba(255,107,0,0.05); }
.msg-cmd { color: var(--btc); font-weight: 600; font-size: 12px; }

/* Superchat message */
.msg--superchat {
  flex-direction: column;
  gap: 3px;
  margin: 6px 10px;
  padding: 10px 12px;
  background: rgba(255,107,0,0.08);
  border: 0.5px solid var(--border-btc);
  border-radius: var(--radius-lg);
}

.msg--superchat .msg-user::after { display: none; }

.msg-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--btc);
  border: 0.5px solid var(--btc-dim);
  padding: 1px 5px;
  border-radius: 3px;
}

.msg-sats {
  font-size: 11px;
  color: var(--btc);
  font-weight: 600;
  margin-left: auto;
}

.msg-sc-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Announce */
.msg--announce {
  justify-content: center;
  color: rgba(255,140,0,0.45);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
  padding: 5px 14px;
  margin: 3px 0;
}

/* ── Bottom bar ──────────────────────────────────────────── */
.bottombar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border-top: 0.5px solid var(--border);
  background: var(--bg-deep);
  overflow-x: auto;
  scrollbar-width: none;
}

.bottombar::-webkit-scrollbar { display: none; }

.cmd-tag {
  flex-shrink: 0;
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  background: var(--bg-raised);
  border: 0.5px solid rgba(255,255,255,0.07);
  padding: 3px 8px;
  border-radius: 4px;
  cursor: default;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  text-transform: uppercase;
}

.cmd-tag:hover {
  color: var(--btc);
  border-color: var(--btc-dim);
  background: var(--btc-glow);
}

.bar-divider {
  width: 0.5px;
  height: 16px;
  background: var(--border);
  flex-shrink: 0;
}

.bar-stat {
  flex-shrink: 0;
  font-size: 9.5px;
  color: var(--text-dim);
  font-weight: 500;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.bar-stat strong { color: var(--green); }

/* ── Chat input area ─────────────────────────────────────── */
.chat-input-area {
  padding: 10px 10px;
  border-top: 0.5px solid var(--border);
  display: flex;
  gap: 6px;
  background: var(--bg-surface);
}

.chat-input {
  flex: 1;
  background: var(--bg-raised);
  border: 0.5px solid var(--border-mid);
  border-radius: var(--radius);
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 12px;
  padding: 7px 10px;
  outline: none;
  transition: border-color 0.15s;
}

.chat-input:focus { border-color: var(--btc-dim); }
.chat-input::placeholder { color: var(--text-dim); }

.btn {
  flex-shrink: 0;
  background: none;
  border: 0.5px solid var(--border-mid);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.btn:hover { border-color: var(--btc-dim); color: var(--btc); }

.btn--send {
  border-color: var(--btc-dim);
  color: var(--btc-hi);
}

.btn--send:hover {
  background: var(--btc-gradient);
  border-color: transparent;
  color: #fff;
}

.btn--super {
  border-color: rgba(255,179,64,0.3);
  color: var(--zap);
  font-size: 14px;
  padding: 6px 9px;
}

.btn--super:hover {
  background: rgba(255,179,64,0.1);
  border-color: rgba(255,179,64,0.5);
}

/* ── Superchat panel ─────────────────────────────────────── */
.superchat-panel {
  position: fixed;
  bottom: 50px;
  right: 12px;
  width: 310px;
  background: var(--bg-surface);
  border: 0.5px solid var(--border-btc);
  border-radius: var(--radius-lg);
  padding: 16px;
  z-index: 100;
}

.superchat-panel[hidden] { display: none; }

.sc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.sc-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-bright);
}

.sc-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s;
}

.sc-close:hover { color: var(--text-muted); }

.sc-tiers {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}

.sc-tier-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-raised);
  border: 0.5px solid var(--border);
  color: var(--text-dim);
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.sc-tier-btn:hover, .sc-tier-btn.active {
  border-color: var(--btc-dim);
  color: var(--btc);
  background: var(--btc-glow);
}

.tier-label { font-weight: 600; font-size: 12px; flex-shrink: 0; }
.tier-sats  { font-size: 11px; color: var(--zap); font-weight: 500; flex-shrink: 0; }
.tier-desc  { font-size: 10px; opacity: 0.5; margin-left: auto; }

.sc-text {
  width: 100%;
  background: var(--bg-raised);
  border: 0.5px solid var(--border-mid);
  border-radius: var(--radius);
  color: var(--text-bright);
  font-family: var(--font-body);
  font-size: 12.5px;
  padding: 8px 10px;
  resize: none;
  outline: none;
  margin-bottom: 10px;
  min-height: 64px;
  transition: border-color 0.15s;
}

.sc-text:focus { border-color: var(--btc-dim); }

.sc-note {
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 10px;
  line-height: 1.5;
}

.sc-send {
  width: 100%;
  background: var(--btc-gradient);
  border: none;
  color: #fff;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 10px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: filter 0.15s, transform 0.08s, opacity 0.15s;
}

.sc-send:hover:not(:disabled) { filter: brightness(1.08); }
.sc-send:active:not(:disabled) { transform: scale(0.985); }
.sc-send:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── Effects ─────────────────────────────────────────────── */
.screen-flash {
  position: fixed;
  inset: 0;
  background: rgba(255,107,0,0.14);
  pointer-events: none;
  z-index: 999;
  animation: flashOut 0.5s ease-out forwards;
}

@keyframes flashOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

.effect-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 998;
  opacity: 0.6;
}

.sat-rain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 997;
  overflow: hidden;
}

.sat-rain span {
  position: absolute;
  top: -20px;
  font-size: 14px;
  color: var(--btc);
  animation: satFall linear forwards;
  opacity: 0.7;
}

@keyframes satFall {
  from { transform: translateY(0);     opacity: 0.7; }
  to   { transform: translateY(110vh); opacity: 0; }
}

.meme-overlay {
  position: fixed;
  left: 50%;
  bottom: 80px;
  transform: translateX(-50%) translateY(20px);
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-bright);
  pointer-events: none;
  z-index: 996;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}

.meme-overlay--active {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  animation: memeFloat 2.5s ease-out forwards;
}

@keyframes memeFloat {
  0%   { opacity: 1;   transform: translateX(-50%) translateY(0); }
  70%  { opacity: 1;   transform: translateX(-50%) translateY(-40px); }
  100% { opacity: 0;   transform: translateX(-50%) translateY(-80px); }
}

/* ── Scanlines (subtle, optional) ───────────────────────── */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.025) 3px,
    rgba(0,0,0,0.025) 4px
  );
}