/* ═══════════════════════════════════════════
   online-lobby.css — Shared lobby UI for all online games
   Include after the game's own style.css
   ═══════════════════════════════════════════ */

/* ── Online button (start screen) ── */
.btn-online,
.btn-online-start {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  max-width: 320px;
  padding: 14px 20px;
  border: 1px solid #059669;
  border-radius: 12px;
  background: linear-gradient(135deg, #059669, #10B981);
  color: #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.btn-online:hover,
.btn-online-start:hover {
  background: linear-gradient(135deg, #047857, #059669);
  border-color: #047857;
}

.btn-online:active,
.btn-online-start:active {
  transform: scale(0.98);
}

/* ── Lobby screen ── */
#lobby-screen {
  overflow-y: auto;
}

.lobby-title {
  font-size: clamp(1.8rem, 7vw, 2.4rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--accent, #3B82F6), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  line-height: 1.2;
}

.lobby-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary, #8B949E);
  text-align: center;
}

#lobby-main {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Room list ── */
.room-list-section {
  width: 100%;
}

.room-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.room-list-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary, #8B949E);
  letter-spacing: 0.04em;
}

#btn-refresh-rooms {
  padding: 4px 10px;
  border: 1px solid var(--border, #30363D);
  border-radius: 6px;
  background: var(--btn-bg, #21262D);
  color: var(--text-secondary, #8B949E);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

#btn-refresh-rooms:hover {
  border-color: var(--accent, #3B82F6);
  color: var(--text-primary, #F0F6FC);
}

.room-list {
  width: 100%;
  background: var(--bg-secondary, #161B22);
  border: 1px solid var(--border, #30363D);
  border-radius: 10px;
  padding: 6px;
  max-height: 180px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.room-list-empty {
  text-align: center;
  color: var(--text-muted, #484F58);
  font-size: 0.82rem;
  padding: 16px 8px;
}

.room-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary, #21262D);
  border: 1px solid var(--border, #30363D);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text-primary, #F0F6FC);
  transition: all 0.15s;
}

.room-item:hover {
  border-color: var(--accent, #3B82F6);
  background: rgba(59, 130, 246, 0.08);
}

.room-item:active {
  transform: scale(0.98);
}

.room-item-code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: var(--accent, #3B82F6);
}

.room-item-info {
  flex: 1;
  font-size: 0.8rem;
  color: var(--text-secondary, #8B949E);
  text-align: center;
}

.room-item-time {
  font-size: 0.72rem;
  color: var(--text-muted, #484F58);
  white-space: nowrap;
}

/* ── Divider ── */
.lobby-divider {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted, #484F58);
  font-size: 0.8rem;
}

.lobby-divider::before,
.lobby-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border, #30363D);
}

/* ── Actions ── */
.lobby-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#btn-create-room {
  width: 100%;
  padding: 14px 20px;
  border: 1px solid var(--accent, #3B82F6);
  border-radius: 10px;
  background: var(--accent, #3B82F6);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

#btn-create-room:hover {
  opacity: 0.9;
}

#btn-create-room:active {
  transform: scale(0.98);
}

.join-input-group {
  display: flex;
  gap: 8px;
  width: 100%;
}

#btn-join-room {
  flex-shrink: 0;
  padding: 12px 20px;
  border: 1px solid var(--accent, #3B82F6);
  border-radius: 10px;
  background: var(--accent, #3B82F6);
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

#btn-join-room:hover {
  opacity: 0.9;
}

.code-input {
  flex: 1;
  min-width: 0;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border, #30363D);
  background: var(--bg-secondary, #161B22);
  color: var(--text-primary, #F0F6FC);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-align: center;
  text-transform: uppercase;
  outline: none;
  transition: border-color 0.2s;
}

.code-input:focus {
  border-color: var(--accent, #3B82F6);
}

.code-input::placeholder {
  color: var(--text-muted, #484F58);
  font-weight: 400;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  font-family: inherit;
}

.join-error {
  font-size: 0.78rem;
  color: #EF4444;
  min-height: 18px;
}

/* ── Waiting panel ── */
.lobby-waiting,
.lobby-waiting-container {
  display: none;
  width: 100%;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.waiting-panel {
  width: 100%;
  background: var(--bg-secondary, #161B22);
  border: 1px solid var(--border, #30363D);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.room-code-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.room-code-label {
  font-size: 0.75rem;
  color: var(--text-muted, #484F58);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.room-code {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  color: var(--accent, #3B82F6);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.waiting-text {
  font-size: 0.9rem;
  color: var(--text-secondary, #8B949E);
}

.waiting-dots {
  display: flex;
  gap: 6px;
}

.waiting-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent, #3B82F6);
  animation: lobbyWaitPulse 1.4s infinite;
}

.waiting-dots span:nth-child(2) { animation-delay: 0.2s; }
.waiting-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes lobbyWaitPulse {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

/* ── Lobby small buttons ── */
#btn-copy-code,
#btn-waiting-cancel,
#btn-lobby-back {
  padding: 6px 14px;
  border: 1px solid var(--border, #30363D);
  border-radius: 8px;
  background: var(--btn-bg, #21262D);
  color: var(--text-secondary, #8B949E);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

#btn-copy-code:hover,
#btn-waiting-cancel:hover,
#btn-lobby-back:hover {
  border-color: var(--accent, #3B82F6);
  color: var(--text-primary, #F0F6FC);
}

#btn-copy-code:active,
#btn-waiting-cancel:active,
#btn-lobby-back:active {
  transform: scale(0.97);
}

#btn-lobby-back {
  margin-top: 8px;
}

/* ── Toast notifications ── */
.toast-container {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  width: 90%;
  max-width: 360px;
}

.toast {
  background: var(--bg-secondary, #161B22);
  border: 1px solid var(--border, #30363D);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--text-primary, #F0F6FC);
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  animation: lobbyToastIn 0.3s ease, lobbyToastOut 0.3s ease 1.7s forwards;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.toast.sunk-toast {
  border-color: #F97316;
  color: #F97316;
  background: rgba(249, 115, 22, 0.08);
}

@keyframes lobbyToastIn {
  from { opacity: 0; transform: translateY(-12px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes lobbyToastOut {
  from { opacity: 1; }
  to   { opacity: 0; transform: translateY(-8px); }
}

/* ── Responsive ── */
@media (max-height: 700px) {
  .lobby-title { font-size: 1.5rem; }
  .lobby-subtitle { display: none; }
  .room-list { max-height: 120px; }
  .waiting-panel { padding: 16px; gap: 12px; }
  .room-code { font-size: 2rem; }
}