:root {
  --bg-cream: #fff8ea;
  --bg-panel: #ffffff;
  --border-ink: #3c2a1e;
  --primary: #ff6b4a;
  --primary-dark: #d94826;
  --blue: #38b6ff;
  --blue-dark: #1985c4;
  --yellow: #ffd23f;
  --green: #2ed573;
  --green-dark: #1ea856;
  --purple: #9b6bff;
  --text-main: #3c2a1e;
  --text-muted: #7d6756;
  --shadow-card: 0 6px 0 rgba(60, 42, 30, 0.16);
  --radius-xl: 26px;
  --radius-lg: 18px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: "YouYuan", "幼圆", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-cream);
  background-image:
    radial-gradient(#ffe0a3 2px, transparent 2px),
    radial-gradient(#ffd4b8 2px, var(--bg-cream) 2px);
  background-size: 44px 44px;
  background-position: 0 0, 22px 22px;
  color: var(--text-main);
}

/* Ruby Pinyin for 7yo reading support */
ruby {
  ruby-align: center;
}
rt {
  font-size: 0.62em;
  font-weight: 800;
  color: #8c6b52;
  line-height: 1.1;
}

.app-shell {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  max-width: 1480px;
  margin: 0 auto;
  padding: 12px 18px 14px;
  gap: 12px;
}

/* ================= TOP HEADER ================= */
.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-panel);
  border: 4px solid var(--border-ink);
  border-radius: var(--radius-xl);
  padding: 8px 20px;
  box-shadow: var(--shadow-card);
  flex-shrink: 0;
  z-index: 20;
}

.brand-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: linear-gradient(135deg, #ff8752, #ff4d4d);
  border: 3px solid var(--border-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 27px;
  box-shadow: 0 4px 0 var(--border-ink);
}

.brand-title {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 1px;
  text-shadow: 2px 2px 0 #ffe380;
}

.brand-tag {
  font-size: 13px;
  font-weight: 800;
  background: #fff0d6;
  color: var(--primary-dark);
  border: 2px solid var(--border-ink);
  padding: 3px 10px;
  border-radius: 99px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff6cf;
  border: 3px solid var(--border-ink);
  padding: 6px 16px;
  border-radius: 99px;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 4px 0 var(--border-ink);
}

.album-open-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--yellow);
  border: 3px solid var(--border-ink);
  padding: 8px 18px;
  border-radius: 99px;
  font-size: 16px;
  font-weight: 900;
  color: var(--border-ink);
  cursor: pointer;
  box-shadow: 0 4px 0 var(--border-ink);
  transition: transform 0.12s;
}

.album-open-btn:hover {
  transform: translateY(-2px);
  background: #ffdb5c;
}

.album-open-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--border-ink);
}

.round-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid var(--border-ink);
  background: #fff;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 0 var(--border-ink);
  transition: transform 0.1s;
}

.round-icon-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--border-ink);
}

.round-icon-btn.off {
  background: #e6dfd9;
  opacity: 0.7;
}

/* ================= MAIN CONTENT AREA ================= */
.workspace-grid {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 14px;
  flex: 1;
  min-height: 0;
}

/* LEFT SIDEBAR: Target Molecule Guide + Quick Recipe Cards */
.guide-sidebar {
  background: var(--bg-panel);
  border: 4px solid var(--border-ink);
  border-radius: var(--radius-xl);
  padding: 14px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.target-mission-card {
  background: linear-gradient(180deg, #ebf8ff 0%, #d8f0ff 100%);
  border: 3px solid var(--border-ink);
  border-radius: var(--radius-lg);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mission-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mission-badge {
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  padding: 3px 10px;
  border-radius: 99px;
  border: 2px solid var(--border-ink);
}

.mission-nav {
  display: flex;
  gap: 6px;
}

.nav-arrow-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 2px solid var(--border-ink);
  background: #fff;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 2px 0 var(--border-ink);
}

.nav-arrow-btn:active {
  transform: translateY(1px);
  box-shadow: none;
}

.mission-target-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 2.5px solid var(--border-ink);
  border-radius: 14px;
  padding: 8px 10px;
}

.target-emoji {
  font-size: 38px;
  line-height: 1;
}

.target-title-wrap {
  flex: 1;
}

.target-name {
  font-size: 18px;
  font-weight: 900;
}

.target-formula {
  display: inline-block;
  margin-top: 2px;
  font-size: 13px;
  font-weight: 900;
  color: #fff;
  background: var(--primary);
  padding: 1px 8px;
  border-radius: 99px;
  border: 1.5px solid var(--border-ink);
}

.mission-prompt {
  font-size: 14px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--border-ink);
}

.blueprint-btn {
  width: 100%;
  padding: 8px 10px;
  border-radius: 12px;
  border: 2.5px solid var(--border-ink);
  background: #fff8cc;
  font-size: 14px;
  font-weight: 900;
  color: var(--border-ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 3px 0 var(--border-ink);
  transition: background 0.15s;
}

.blueprint-btn.active {
  background: #ffe066;
}

.blueprint-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--border-ink);
}

/* Recipe Checklist in Left Sidebar */
.recipe-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 900;
  padding: 0 4px;
}

.recipe-scroll-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding-right: 4px;
}

.recipe-row-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 14px;
  border: 2.5px solid var(--border-ink);
  background: #faf5ed;
  cursor: pointer;
  transition: transform 0.12s, background 0.15s;
}

.recipe-row-card:hover {
  transform: translateX(3px);
  background: #fff4d9;
}

.recipe-row-card.active-target {
  border-color: var(--blue-dark);
  background: #eaf7ff;
  box-shadow: 0 3px 0 var(--blue-dark);
}

.recipe-row-card.unlocked {
  background: #ecfff1;
}

.recipe-row-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.recipe-row-emoji {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #fff;
  border: 2px solid var(--border-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.recipe-row-name {
  font-size: 14px;
  font-weight: 900;
}

.recipe-row-need {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 700;
}

.recipe-row-badge {
  font-size: 12px;
  font-weight: 900;
  padding: 2px 8px;
  border-radius: 99px;
  background: #e9e2d8;
}

.recipe-row-card.unlocked .recipe-row-badge {
  background: var(--green);
  color: #fff;
  border: 1.5px solid var(--border-ink);
}

/* ================= RIGHT / CENTER: INTERACTIVE HAND-HOLDING WORKBENCH ================= */
.workbench-panel {
  position: relative;
  background: #1f2438;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.1) 1.5px, transparent 1.5px),
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 28px 28px, 28px 28px, 28px 28px;
  border: 4px solid var(--border-ink);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card), inset 0 0 60px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Top Status HUD inside Workbench */
.workbench-hud {
  position: relative;
  z-index: 10;
  margin: 14px 16px 0;
  background: rgba(255, 255, 255, 0.96);
  border: 3px solid var(--border-ink);
  border-radius: 20px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  box-shadow: 0 5px 0 rgba(0, 0, 0, 0.28);
}

.hud-formula-box {
  background: #fff0e6;
  border: 2.5px solid var(--primary);
  color: var(--primary-dark);
  font-size: 20px;
  font-weight: 900;
  padding: 4px 14px;
  border-radius: 12px;
  min-width: 110px;
  text-align: center;
}

.hud-status-message {
  flex: 1;
  font-size: 16px;
  font-weight: 800;
  color: var(--border-ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-btn {
  padding: 7px 14px;
  border-radius: 12px;
  border: 2.5px solid var(--border-ink);
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--border-ink);
  transition: transform 0.1s;
}

.hud-btn:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--border-ink);
}

.hud-btn.auto-snap {
  background: #d4f5ff;
  color: #0b5d8a;
}

.hud-btn.clear-all {
  background: #ffe0e3;
  color: #b82332;
}

/* Interactive SVG + DOM Canvas Stage */
.workbench-stage {
  position: relative;
  flex: 1;
  width: 100%;
  overflow: hidden;
  touch-action: none;
}

#bond-svg, #blueprint-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

#blueprint-svg {
  z-index: 2;
}

#bond-svg {
  z-index: 4;
}

/* Clickable Scissors icon on a bond line to unbind */
.bond-cut-btn {
  pointer-events: all;
  cursor: pointer;
  transition: transform 0.15s;
}

.bond-cut-btn:hover {
  transform: scale(1.25);
}

#fx-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 15;
}

#atoms-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 6;
}

.stage-empty-guide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.72);
  pointer-events: none;
  z-index: 3;
  text-align: center;
}

.stage-empty-guide .guide-big-icon {
  font-size: 52px;
  animation: floatSlow 2.6s ease-in-out infinite;
}

.stage-empty-guide .guide-title {
  font-size: 20px;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 3px 8px rgba(0,0,0,0.4);
}

.stage-empty-guide .guide-sub {
  font-size: 15px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.35);
  padding: 6px 16px;
  border-radius: 99px;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

/* Atom Node on the Workbench */
.workbench-atom {
  position: absolute;
  width: 82px;
  height: 82px;
  margin-left: -41px;
  margin-top: -41px;
  border-radius: 50%;
  border: 4px solid var(--border-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: grab;
  box-shadow: 0 8px 0 rgba(0, 0, 0, 0.38), inset 0 5px 8px rgba(255, 255, 255, 0.65);
  transition: transform 0.12s, box-shadow 0.12s;
  animation: atomSpawn 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.workbench-atom.dragging {
  cursor: grabbing;
  transform: scale(1.1);
  z-index: 30 !important;
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.45), inset 0 5px 8px rgba(255, 255, 255, 0.65);
}

.workbench-atom.celebrating {
  animation: happyJump 0.6s ease infinite;
}

@keyframes atomSpawn {
  0% { transform: scale(0.2); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes happyJump {
  0%, 100% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.14) translateY(-10px); }
}

.atom-face-eyes {
  display: flex;
  gap: 12px;
  margin-bottom: 1px;
  pointer-events: none;
}

.atom-eye {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-ink);
  position: relative;
}

.atom-eye::after {
  content: "";
  position: absolute;
  top: 1.5px;
  left: 1.5px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #fff;
}

.atom-mouth {
  width: 12px;
  height: 6px;
  border-bottom: 3px solid var(--border-ink);
  border-radius: 0 0 12px 12px;
  margin-bottom: 2px;
  pointer-events: none;
}

.workbench-atom.all-hands-full .atom-mouth {
  width: 16px;
  height: 8px;
  background: #ff5252;
  border: 2px solid var(--border-ink);
  border-radius: 2px 2px 12px 12px;
}

.atom-symbol-label {
  font-size: 21px;
  font-weight: 900;
  line-height: 1;
  color: var(--border-ink);
  pointer-events: none;
}

.atom-cn-label {
  font-size: 12px;
  font-weight: 900;
  color: var(--border-ink);
  pointer-events: none;
}

/* Delete button on hover over workbench atom */
.atom-delete-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ff4757;
  color: #fff;
  border: 2.5px solid var(--border-ink);
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.15s, transform 0.15s;
  z-index: 8;
}

.workbench-atom:hover .atom-delete-btn {
  opacity: 1;
  transform: scale(1);
}

.atom-delete-btn:hover {
  background: #ff1e34;
  transform: scale(1.18) !important;
}

/* Valence "Little Hands" Ports around the Atom */
.atom-hand-port {
  position: absolute;
  width: 24px;
  height: 24px;
  margin-left: -12px;
  margin-top: -12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--border-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.3);
  transition: transform 0.15s, background 0.15s, box-shadow 0.15s;
  z-index: 5;
}

.atom-hand-port.free {
  background: #fff9c4;
  animation: handPulse 1.6s ease-in-out infinite;
}

.atom-hand-port.free:hover {
  transform: scale(1.3);
  background: var(--yellow);
  box-shadow: 0 0 12px var(--yellow);
}

.atom-hand-port.bonded {
  background: var(--green);
  color: #fff;
  animation: none;
}

@keyframes handPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 210, 63, 0.65); }
  50% { box-shadow: 0 0 0 7px rgba(255, 210, 63, 0); }
}

/* Bottom tip bar inside Workbench */
.workbench-footer-tip {
  position: relative;
  z-index: 8;
  margin: 0 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-weight: 800;
  background: rgba(0, 0, 0, 0.35);
  padding: 7px 16px;
  border-radius: 14px;
}

.footer-tip-badges {
  display: flex;
  gap: 14px;
}

/* ================= BOTTOM ELEMENT SPRITES TRAY ================= */
.element-dock {
  background: var(--bg-panel);
  border: 4px solid var(--border-ink);
  border-radius: var(--radius-xl);
  padding: 10px 16px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.dock-title {
  background: var(--primary);
  color: #fff;
  border: 3px solid var(--border-ink);
  border-radius: 16px;
  padding: 10px 12px;
  font-weight: 900;
  font-size: 15px;
  text-align: center;
  line-height: 1.3;
  box-shadow: 0 4px 0 var(--border-ink);
  flex-shrink: 0;
}

.dock-elements-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 10px;
  flex: 1;
}

.dock-element-card {
  background: #fffdf9;
  border: 3px solid var(--border-ink);
  border-radius: 18px;
  padding: 8px 6px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  box-shadow: 0 5px 0 var(--border-ink);
  transition: transform 0.14s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.14s, background 0.14s;
  position: relative;
}

.dock-element-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 11px 0 var(--border-ink);
  background: #fff9e6;
}

.dock-element-card:active {
  transform: translateY(2px);
  box-shadow: 0 3px 0 var(--border-ink);
}

.dock-element-card.needed-highlight {
  border-color: var(--primary);
  background: #fff3eb;
}

.dock-element-card.needed-highlight::after {
  content: "推荐";
  position: absolute;
  top: -9px;
  right: -6px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  padding: 1px 6px;
  border-radius: 99px;
  border: 2px solid var(--border-ink);
}

.dock-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 3px solid var(--border-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 4px 6px rgba(255, 255, 255, 0.65);
}

.dock-symbol {
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
}

.dock-name {
  font-size: 15px;
  font-weight: 900;
}

.dock-hands-pill {
  font-size: 11px;
  font-weight: 900;
  padding: 2px 8px;
  border-radius: 99px;
  background: #fff3bf;
  border: 1.5px solid var(--border-ink);
  color: var(--border-ink);
}

/* ================= MODALS: FLASHCARD CELEBRATION & ALBUM ================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30, 22, 43, 0.72);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.flashcard-modal {
  width: 92%;
  max-width: 560px;
  background: #fffdf7;
  border: 5px solid var(--border-ink);
  border-radius: 32px;
  padding: 24px;
  box-shadow: 0 14px 0 var(--border-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transform: scale(0.84);
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .flashcard-modal {
  transform: scale(1);
}

.flashcard-top-banner {
  background: var(--yellow);
  border: 3px solid var(--border-ink);
  padding: 6px 22px;
  border-radius: 99px;
  font-size: 18px;
  font-weight: 900;
  margin-top: -42px;
  box-shadow: 0 4px 0 var(--border-ink);
}

.flashcard-hero {
  width: 100%;
  background: linear-gradient(135deg, #fff6d6 0%, #e5f7ff 100%);
  border: 3px solid var(--border-ink);
  border-radius: 22px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 16px;
}

.flashcard-big-icon {
  font-size: 76px;
  filter: drop-shadow(0 6px 0 rgba(0,0,0,0.14));
  animation: floatSlow 2.4s ease-in-out infinite;
}

.flashcard-structure-box {
  background: rgba(255, 255, 255, 0.9);
  border: 2.5px dashed var(--border-ink);
  border-radius: 16px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.flashcard-title-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.flashcard-Title-name {
  font-size: 30px;
  font-weight: 900;
}

.flashcard-formula-tag {
  font-size: 22px;
  font-weight: 900;
  background: var(--primary);
  color: #fff;
  padding: 4px 14px;
  border-radius: 14px;
  border: 3px solid var(--border-ink);
}

.flashcard-fun-fact {
  width: 100%;
  background: #fff;
  border: 3px solid #ead6b5;
  border-radius: 18px;
  padding: 14px 16px;
  font-size: 17px;
  line-height: 1.65;
  font-weight: 700;
}

.flashcard-life-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}

.life-tag {
  background: #eef9ff;
  border: 2px solid var(--border-ink);
  border-radius: 99px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 800;
}

.flashcard-btn-row {
  display: flex;
  gap: 12px;
  width: 100%;
}

.modal-btn {
  flex: 1;
  padding: 12px 16px;
  border-radius: 18px;
  border: 3.5px solid var(--border-ink);
  font-size: 17px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 5px 0 var(--border-ink);
}

.modal-btn:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 var(--border-ink);
}

.modal-btn.speak {
  background: var(--yellow);
}

.modal-btn.next {
  background: var(--green);
  color: #fff;
}

/* Encyclopedia Album Modal */
.album-dialog {
  width: 94%;
  max-width: 980px;
  height: 84vh;
  background: #fffdf7;
  border: 5px solid var(--border-ink);
  border-radius: 32px;
  padding: 20px 24px;
  box-shadow: 0 14px 0 var(--border-ink);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.album-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px dashed #e5d2b5;
  padding-bottom: 10px;
}

.album-tabs {
  display: flex;
  gap: 10px;
}

.album-tab-btn {
  padding: 7px 16px;
  border-radius: 99px;
  border: 2.5px solid var(--border-ink);
  background: #f5eee4;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
}

.album-tab-btn.active {
  background: var(--yellow);
}

.album-cards-grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  padding: 6px;
}

.album-item-card {
  background: #fff;
  border: 3px solid var(--border-ink);
  border-radius: 20px;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  box-shadow: 0 5px 0 var(--border-ink);
  cursor: pointer;
  transition: transform 0.14s;
}

.album-item-card:hover {
  transform: translateY(-4px);
}

.album-item-card.locked {
  background: #ebe5de;
  opacity: 0.72;
}