.app {
  width: min(1120px, 100%);
  min-height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.25rem;
}

.topbar { display: flex; align-items: center; justify-content: space-between; }

.home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
  flex-shrink: 0;
}
.home-btn:hover {
  color: var(--text);
  border-color: var(--surface-border-strong);
  background: var(--surface-strong);
}
.home-btn svg { width: 17px; height: 17px; }

.topbar-actions {
  display: inline-flex;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: var(--surface);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  padding: 0.24rem;
  box-shadow: var(--shadow-md);
}

.mode-btn {
  border: 0; border-radius: 999px; padding: 0.5rem 0.95rem;
  color: var(--muted); background: transparent; font-weight: 500;
  cursor: pointer; letter-spacing: 0.01em;
  transition: color 160ms ease, background 160ms ease;
}
.mode-btn.active {
  color: var(--text);
  background: linear-gradient(180deg, rgba(60, 110, 113, 0.38), rgba(60, 110, 113, 0.14));
}
.mode-btn:disabled { opacity: 0.4; cursor: default; }

.hidden { display: none; }

.panel {
  border: 1px solid var(--surface-border);
  background: var(--surface);
  border-radius: 0;
  padding: 0.95rem;
  display: grid;
  gap: 0.9rem;
  box-shadow: var(--shadow-md);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

label {
  display: grid; gap: 0.42rem; color: var(--muted);
  font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase;
}

textarea, input[type="text"] {
  width: 100%;
  border: 1px solid var(--surface-border);
  border-radius: 0;
  background: var(--surface-strong);
  color: var(--text);
  padding: 0.64rem 0.7rem;
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  resize: vertical;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
textarea:focus, input[type="text"]:focus {
  border-color: rgba(92, 158, 161, 0.65);
  box-shadow: 0 0 0 4px rgba(60, 110, 113, 0.14);
}

.type-toggle {
  display: flex; gap: 1.2rem; align-items: center;
}

.toggle-label {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--text); text-transform: none; letter-spacing: 0; font-size: 0.9rem;
}
.toggle-label input[type="radio"] {
  width: 1rem; height: 1rem; accent-color: var(--accent);
}

.options-list {
  display: grid; gap: 0.5rem;
}

.option-input {
  width: 100%;
}

.options-actions {
  display: flex; gap: 0.5rem;
}

.display-wrap {
  border: 1px solid var(--surface-border-strong);
  background: linear-gradient(160deg, rgba(60, 110, 113, 0.12), rgba(26, 30, 30, 0.94));
  border-radius: 0;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(1.2rem, 3vw, 2.5rem);
  min-height: min(28vh, 240px);
  box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.display-main {
  display: grid; place-items: center; width: 100%; gap: 0.5rem;
}

.live-question {
  margin: 0;
  font-size: clamp(1.4rem, 3.5vw, 2.8rem);
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.response-count {
  margin: 0;
  color: var(--accent);
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.join-info {
  text-align: center;
}

.join-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.join-url {
  margin: 0.2rem 0 0;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 600;
  color: var(--accent);
  word-break: break-all;
}

/* MC bar chart */
.mc-results {
  display: grid; gap: 0.6rem;
}

.mc-bar-row {
  display: grid;
  grid-template-columns: 80px 1fr 48px;
  align-items: center;
  gap: 0.6rem;
}

.mc-bar-label {
  font-weight: 500;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mc-bar-track {
  height: 32px;
  border-radius: 0;
  background: rgba(26, 30, 30, 0.55);
  overflow: hidden;
  position: relative;
}

.mc-bar-fill {
  height: 100%;
  border-radius: 0;
  background: linear-gradient(90deg, var(--accent), rgba(60, 110, 113, 0.55));
  transition: width 400ms ease;
  min-width: 0;
}

.mc-bar-fill.correct {
  background: linear-gradient(90deg, var(--green), rgba(110, 179, 168, 0.55));
}

.mc-bar-count {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  text-align: right;
  color: var(--muted);
}

/* Open-ended results */
.open-results {
  max-height: 320px;
  overflow-y: auto;
  display: grid;
  gap: 0.4rem;
}

.open-response {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--surface-border);
  border-radius: 0;
  background: rgba(26, 30, 30, 0.55);
  font-size: 0.95rem;
}

.preset-btn, .action-btn {
  border: 1px solid var(--surface-border);
  background: linear-gradient(180deg, rgba(60, 110, 113, 0.22), rgba(30, 34, 34, 0.85));
  color: var(--text); border-radius: 0;
  padding: 0.6rem 0.9rem; cursor: pointer; font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform 120ms ease, border-color 140ms ease, background 140ms ease;
}
.preset-btn:hover, .action-btn:hover {
  border-color: rgba(60, 110, 113, 0.5); transform: translateY(-1px);
}
.preset-btn:active, .action-btn:active { transform: translateY(0); }
.action-btn.primary {
  border-color: rgba(60, 110, 113, 0.65);
  background: linear-gradient(180deg, rgba(60, 110, 113, 0.45), rgba(45, 80, 82, 0.3));
}

.controls { display: flex; flex-wrap: wrap; gap: 0.68rem; }

.help {
  margin-top: auto;
  display: flex; flex-wrap: wrap; gap: 1rem;
  color: var(--muted); font-size: 0.83rem;
}

kbd {
  border: 1px solid var(--surface-border);
  border-radius: 4px; padding: 0.16rem 0.42rem;
  background: rgba(26, 30, 30, 0.95); color: var(--text);
}

@media (max-width: 700px) {
  .app { padding: 0.9rem; }
  .topbar { justify-content: center; }
  .mc-bar-row { grid-template-columns: 60px 1fr 36px; }
}