/* Redis 卡通图解页 — 与 site.css 变量兼容 */

.redis-tutorial {
  max-width: 820px;
  margin: 0 auto;
}

.redis-tutorial .page-lead {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.55;
}

.redis-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
}

.redis-topic {
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  background: #fff;
  color: var(--ink);
  transition: transform 0.12s, border-color 0.15s, background 0.15s;
}

.redis-topic:hover {
  transform: translateY(-1px);
  border-color: rgba(220, 56, 45, 0.35);
}

.redis-topic[aria-selected="true"] {
  background: linear-gradient(135deg, #ffe8e6 0%, #fff5f4 100%);
  border-color: #dc382d;
  color: #9a1f14;
}

.redis-panel {
  display: none;
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem 1.1rem;
}

.redis-panel.is-active {
  display: block;
}

.redis-panel h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.redis-panel .cmd-hint {
  margin: 0 0 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  color: #6e3929;
  background: linear-gradient(90deg, rgba(220, 56, 45, 0.08), transparent);
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  border-left: 3px solid #dc382d;
}

.redis-stage-wrap {
  position: relative;
  min-height: 200px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #faf7ff 0%, #f0f7ff 55%, #e8f5f0 100%);
  border: 2px dashed rgba(26, 86, 196, 0.2);
  padding: 1rem 1rem 0.85rem;
  overflow: hidden;
}

.redis-replay {
  margin-top: 0.85rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 0.45rem 1rem;
  background: var(--accent);
  color: #fff;
}

.redis-replay:hover {
  filter: brightness(1.06);
}

/* 吉祥物「小方」 */
.redis-mascot {
  position: absolute;
  right: 12px;
  bottom: 10px;
  width: 56px;
  height: 56px;
  background: radial-gradient(circle at 35% 30%, #ff8a80, #dc382d 45%, #b71c1c);
  border-radius: 14px;
  border: 3px solid #fff;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.12), 0 8px 16px rgba(220, 56, 45, 0.25);
  animation: mascot-idle 2.2s ease-in-out infinite;
}

.redis-mascot::before,
.redis-mascot::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  top: 16px;
  box-shadow: inset 0 -2px 0 1px #1a1a1a;
}

.redis-mascot::before {
  left: 14px;
}

.redis-mascot::after {
  right: 14px;
}

.redis-mascot .mouth {
  position: absolute;
  left: 50%;
  bottom: 12px;
  width: 18px;
  height: 8px;
  margin-left: -9px;
  border: 2px solid #fff;
  border-top: none;
  border-radius: 0 0 12px 12px;
}

@keyframes mascot-idle {
  0%,
  100% {
    transform: translateY(0) rotate(-1deg);
  }
  50% {
    transform: translateY(-4px) rotate(1deg);
  }
}

.redis-panel.playing .redis-mascot {
  animation: mascot-cheer 0.6s ease 2;
}

@keyframes mascot-cheer {
  0%,
  100% {
    transform: scale(1) rotate(0);
  }
  25% {
    transform: scale(1.08) rotate(-6deg);
  }
  75% {
    transform: scale(1.08) rotate(6deg);
  }
}

/* —— String —— */
.string-stage .kv-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  min-height: 88px;
}

.string-stage .key-pill {
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: 10px;
  background: #37474f;
  color: #eceff1;
  border: 3px solid #263238;
}

.string-stage .val-chip {
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  background: linear-gradient(135deg, #ffd54f, #ffb300);
  color: #4e342e;
  border: 3px solid #fff;
  box-shadow: 0 4px 0 #f57f17;
  opacity: 0;
  transform: scale(0.3) translateY(20px);
}

.redis-panel[data-type="string"].playing .string-stage .val-chip {
  animation: pop-in 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes pop-in {
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.string-stage .incr-dial {
  margin-top: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: ui-monospace, monospace;
  font-weight: 700;
  font-size: 1.1rem;
  color: #1565c0;
}

.string-stage .incr-dial .num {
  display: inline-block;
  min-width: 2ch;
}

.redis-panel[data-type="string"].playing .incr-dial .num {
  animation: count-up 1.2s ease-out forwards;
}

@keyframes count-up {
  0% {
    transform: translateY(8px);
    opacity: 0;
  }
  40% {
    transform: translateY(-6px);
    opacity: 1;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

/* —— List —— */
.list-stage .list-track {
  display: flex;
  align-items: stretch;
  gap: 0;
  min-height: 100px;
  padding: 0.5rem 0;
}

.list-stage .list-cell {
  flex: 1;
  max-width: 72px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 12px;
  border: 3px solid #fff;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.08);
  transform: translateX(-120%);
  opacity: 0;
}

.list-stage .list-cell:nth-child(1) {
  background: linear-gradient(180deg, #90caf9, #42a5f5);
  color: #0d47a1;
}

.list-stage .list-cell:nth-child(2) {
  background: linear-gradient(180deg, #a5d6a7, #66bb6a);
  color: #1b5e20;
}

.list-stage .list-cell:nth-child(3) {
  background: linear-gradient(180deg, #ffcc80, #ffa726);
  color: #e65100;
}

.redis-panel[data-type="list"].playing .list-stage .list-cell:nth-child(1) {
  animation: slide-from-left 0.45s ease forwards;
}

.redis-panel[data-type="list"].playing .list-stage .list-cell:nth-child(2) {
  animation: slide-from-left 0.45s ease 0.2s forwards;
}

.redis-panel[data-type="list"].playing .list-stage .list-cell:nth-child(3) {
  animation: slide-from-left 0.45s ease 0.4s forwards;
}

@keyframes slide-from-left {
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.list-stage .arrow-hint {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.list-stage .pop-right {
  position: absolute;
  right: 88px;
  bottom: 72px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.55rem;
  background: #ef5350;
  color: #fff;
  border-radius: 8px;
  opacity: 0;
  transform: translateX(0);
}

.redis-panel[data-type="list"].playing .pop-right {
  animation: pop-off-right 0.7s ease 0.85s forwards;
}

@keyframes pop-off-right {
  0% {
    opacity: 0;
    transform: translateX(0) scale(0.5);
  }
  20% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(80px) scale(0.6);
  }
}

/* —— Hash —— */
.hash-stage table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0.35rem;
  font-size: 0.85rem;
}

.hash-stage th,
.hash-stage td {
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  text-align: left;
}

.hash-stage th {
  background: #5c6bc0;
  color: #fff;
  font-weight: 600;
}

.hash-stage td {
  background: #e8eaf6;
  color: #283593;
  border: 2px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.redis-panel[data-type="hash"].playing .hash-stage td.h-flash-1 {
  animation: cell-flash 0.5s ease 0.15s 2;
}

.redis-panel[data-type="hash"].playing .hash-stage td.h-flash-2 {
  animation: cell-flash 0.5s ease 0.55s 2;
}

@keyframes cell-flash {
  0%,
  100% {
    border-color: transparent;
    box-shadow: none;
  }
  50% {
    border-color: #7c4dff;
    box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.25);
  }
}

/* —— Set —— */
.set-stage .bubble-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  min-height: 90px;
}

.set-stage .bubble {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
  border: 3px solid #fff;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.1);
  transform: scale(0);
}

.set-stage .bubble.a {
  background: #ab47bc;
}

.set-stage .bubble.b {
  background: #26a69a;
}

.redis-panel[data-type="set"].playing .set-stage .bubble {
  animation: bubble-pop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.redis-panel[data-type="set"].playing .set-stage .bubble:nth-child(1) {
  animation-delay: 0s;
}

.redis-panel[data-type="set"].playing .set-stage .bubble:nth-child(2) {
  animation-delay: 0.2s;
}

@keyframes bubble-pop {
  to {
    transform: scale(1);
  }
}

.set-stage .dup-try {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.set-stage .shake-x {
  display: inline-block;
  font-weight: 700;
  color: #c62828;
  opacity: 0;
}

.redis-panel[data-type="set"].playing .shake-x {
  animation: shake-no 0.65s ease 0.95s forwards;
}

@keyframes shake-no {
  0% {
    opacity: 0;
    transform: translateX(0);
  }
  15% {
    opacity: 1;
  }
  25%,
  55%,
  85% {
    transform: translateX(-6px);
  }
  40%,
  70% {
    transform: translateX(6px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

/* —— Sorted set —— */
.zset-stage .z-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.65rem;
  height: 120px;
  padding-top: 0.5rem;
}

.zset-stage .z-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.zset-stage .z-bar {
  width: 44px;
  border-radius: 8px 8px 4px 4px;
  background: linear-gradient(180deg, #81d4fa, #0288d1);
  border: 2px solid #fff;
  box-shadow: 0 4px 0 #01579b;
  height: 0;
  transition: height 0.05s linear;
}

.redis-panel[data-type="zset"].playing .zset-stage .z-item[data-score="1"] .z-bar {
  animation: grow-bar 0.7s ease forwards;
  animation-delay: 0.1s;
}

.redis-panel[data-type="zset"].playing .zset-stage .z-item[data-score="2"] .z-bar {
  animation: grow-bar-2 0.7s ease forwards;
  animation-delay: 0.35s;
}

.redis-panel[data-type="zset"].playing .zset-stage .z-item[data-score="3"] .z-bar {
  animation: grow-bar-3 0.7s ease forwards;
  animation-delay: 0.6s;
}

@keyframes grow-bar {
  to {
    height: 40px;
  }
}

@keyframes grow-bar-2 {
  to {
    height: 72px;
  }
}

@keyframes grow-bar-3 {
  to {
    height: 100px;
  }
}

.zset-stage .z-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
}

.zset-stage .z-score {
  font-family: ui-monospace, monospace;
  font-size: 0.7rem;
  color: #0277bd;
}

/* —— Stream —— */
.stream-stage .stream-river {
  position: relative;
  height: 100px;
  border-radius: 12px;
  background: linear-gradient(90deg, #b3e5fc 0%, #4fc3f7 50%, #0288d1 100%);
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: inset 0 -8px 0 rgba(0, 0, 0, 0.06);
}

.stream-stage .msg {
  position: absolute;
  left: -30%;
  top: 50%;
  margin-top: -16px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.35rem 0.55rem;
  background: #fff9c4;
  color: #5d4037;
  border-radius: 8px;
  border: 2px solid #fbc02d;
  white-space: nowrap;
  opacity: 0;
}

.redis-panel[data-type="stream"].playing .stream-stage .msg:nth-child(1) {
  animation: float-msg 1.4s ease-out 0.1s forwards;
}

.redis-panel[data-type="stream"].playing .stream-stage .msg:nth-child(2) {
  animation: float-msg 1.4s ease-out 0.55s forwards;
}

@keyframes float-msg {
  0% {
    left: -30%;
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  100% {
    left: 88%;
    opacity: 0.85;
  }
}

.stream-stage .caption {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}