@import url("https://fonts.googleapis.com/css2?family=Press+Start+2P&family=ZCOOL+QingKe+HuangYou&display=swap");

:root {
  --font-pixel: "Press Start 2P", "ZCOOL QingKe HuangYou", monospace;
  --pixel-step: steps(6);
  --panel-width: min(1080px, calc(100vw - 220px));
  --text-main: #111111;
  --panel-bg: rgba(255, 255, 255, 0.74);
  --panel-border: #111111;
  --button-top: #fbd000;
  --button-face: #e60012;
  --button-side: #8b4513;
  --shadow-strong: 0 0 0 4px var(--panel-border), 8px 8px 0 rgba(0, 0, 0, 0.22);
  --section-gap: 32px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-pixel);
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--text-main);
  background: #77c8ff;
  overflow-x: hidden;
  position: relative;
  transition: background 0.5s var(--pixel-step), color 0.5s var(--pixel-step);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -3;
}

body.day {
  --text-main: #1b1206;
  --panel-bg: rgba(255, 255, 255, 0.68);
  --panel-border: #1e1a12;
  --button-top: #fbd000;
  --button-face: #e60012;
  --button-side: #8b4513;
  background: #7ec8ff;
}

body.day::before {
  background:
    linear-gradient(rgba(126, 200, 255, 0.12), rgba(126, 200, 255, 0.12)),
    url("figures/bg_day.jpg") center / cover no-repeat;
  opacity: 1;
}

body.day::after {
  background:
    linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.02) 0 62%,
      rgba(122, 189, 86, 0.08) 62% 76%,
      rgba(185, 107, 52, 0.14) 76% 100%
    );
  opacity: 1;
}

body.night {
  --text-main: #eef6d8;
  --panel-bg: rgba(24, 29, 31, 0.6);
  --panel-border: #5c6b56;
  --button-top: #d2c77a;
  --button-face: #4a4f44;
  --button-side: #2f332d;
  background: #162347;
}

body.night::before {
  background:
    linear-gradient(rgba(10, 18, 34, 0.22), rgba(10, 18, 34, 0.22)),
    url("figures/bg_night.jpg") center / cover no-repeat;
  animation: nightStars 1.8s steps(5) infinite;
}

body.night::after {
  background:
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.06) 0 56%,
      rgba(44, 72, 58, 0.12) 56% 74%,
      rgba(46, 32, 23, 0.18) 74% 100%
    );
  opacity: 1;
}

@keyframes nightStars {
  0%,
  100% {
    opacity: 0.76;
  }

  50% {
    opacity: 1;
  }
}

#scroll-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 12;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 10px;
  height: 10px;
  opacity: 0;
  animation: particleRise 1s steps(6) forwards;
}

body.day .particle {
  background: linear-gradient(90deg, #9e6a00 0 20%, #fbd000 20% 80%, #fff0a0 80% 100%);
  box-shadow: 0 0 0 2px rgba(142, 87, 0, 0.5);
}

body.night .particle {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.95) 0 18%, rgba(196, 235, 255, 0.9) 20% 48%, rgba(124, 196, 230, 0.45) 50% 72%, rgba(124, 196, 230, 0.1) 74% 100%);
  box-shadow:
    inset -2px -2px 0 rgba(110, 180, 215, 0.25),
    0 0 0 2px rgba(163, 222, 247, 0.22);
}

@keyframes particleRise {
  0% {
    transform: translateY(18px) translateX(0) scale(0.7);
    opacity: 0;
  }

  20% {
    opacity: 1;
  }

  100% {
    transform: translateY(-42px) translateX(6px) scale(1.15);
    opacity: 0;
  }
}

main {
  width: var(--panel-width);
  margin: 0 auto;
  padding: 28px 0 48px;
  position: relative;
  z-index: 1;
}

section,
footer {
  margin-bottom: var(--section-gap);
  position: relative;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.pixel-panel {
  position: relative;
  padding: 24px;
  background: var(--panel-bg);
  border: 4px solid var(--panel-border);
  box-shadow: var(--shadow-strong);
  transition:
    background 0.35s var(--pixel-step),
    border-color 0.35s var(--pixel-step),
    box-shadow 0.35s var(--pixel-step),
    transform 0.25s var(--pixel-step);
  overflow: hidden;
  isolation: isolate;
}

.pixel-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.14;
  pointer-events: none;
  background-size: 16px 16px;
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, 0.34) 0 2px, transparent 2px 16px),
    linear-gradient(rgba(255, 255, 255, 0.34) 0 2px, transparent 2px 16px);
}

body.night .pixel-panel {
  background:
    linear-gradient(180deg, rgba(47, 56, 45, 0.32) 0 10px, rgba(25, 29, 30, 0.64) 10px 100%);
  box-shadow: 0 0 0 4px #2a3228, 8px 8px 0 rgba(0, 0, 0, 0.28);
}

body.night .pixel-panel::before {
  opacity: 0.2;
  background-image:
    linear-gradient(90deg, rgba(126, 133, 118, 0.14) 0 2px, transparent 2px 16px),
    linear-gradient(rgba(126, 133, 118, 0.14) 0 2px, transparent 2px 16px),
    radial-gradient(circle at 25% 32%, rgba(152, 179, 125, 0.12) 0 4px, transparent 4px),
    radial-gradient(circle at 72% 66%, rgba(100, 112, 98, 0.12) 0 4px, transparent 4px);
}

.section-title {
  display: inline-block;
  margin-bottom: 18px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  border: 4px solid var(--panel-border);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.18);
  position: relative;
  z-index: 1;
}

body.day .section-title {
  background: linear-gradient(#fbd000 0 26%, #fff0a0 26% 34%, #fbd000 34% 100%);
  color: #4d2800;
}

body.day .section-title::after {
  content: "?";
  position: absolute;
  top: -12px;
  right: -12px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: #fbd000;
  border: 4px solid #8b4513;
  font-size: 12px;
}

body.night .section-title {
  background:
    linear-gradient(#7ca34c 0 14%, #6d5338 14% 22%, #4b3a2a 22% 100%);
  color: #eef6d8;
  border-color: #3a4738;
}

body.night .section-title::after {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  width: 22px;
  height: 22px;
  background:
    linear-gradient(90deg, #61665d 0 30%, #8c9a7b 30% 52%, #cfc87b 52% 70%, #61665d 70% 100%);
  box-shadow: 0 0 12px rgba(207, 200, 123, 0.35);
}

.pixel-button {
  position: relative;
  padding: 14px 18px;
  border: 4px solid var(--panel-border);
  background:
    linear-gradient(var(--button-top) 0 22%, #ffffff 22% 28%, var(--button-face) 28% 100%);
  color: #ffffff;
  font: inherit;
  letter-spacing: 0.06em;
  cursor: pointer;
  box-shadow: 0 6px 0 var(--button-side), 6px 10px 0 rgba(0, 0, 0, 0.22);
  transition:
    transform 0.15s var(--pixel-step),
    box-shadow 0.15s var(--pixel-step),
    filter 0.2s var(--pixel-step);
}

.pixel-button:hover {
  filter: brightness(1.08);
}

.pixel-button:active {
  transform: translateY(4px);
  box-shadow: 0 2px 0 var(--button-side), 4px 6px 0 rgba(0, 0, 0, 0.2);
}

.pixel-button:focus-visible,
.companion-trigger:focus-visible {
  outline: 4px solid var(--button-top);
  outline-offset: 6px;
}

#theme-toggle {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 10;
  width: 52px;
  height: 52px;
  min-width: 52px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.theme-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  transform: translate(-50%, -50%);
  transition:
    transform 0.28s var(--pixel-step),
    opacity 0.28s var(--pixel-step),
    filter 0.28s var(--pixel-step);
}

.theme-sun {
  filter: drop-shadow(0 0 10px rgba(251, 208, 0, 0.45));
}

.theme-moon {
  filter: drop-shadow(0 0 10px rgba(215, 231, 255, 0.3));
}

body.day .theme-sun,
body.night .theme-moon {
  opacity: 1;
}

body.day .theme-moon,
body.night .theme-sun {
  opacity: 0;
}

#theme-toggle:hover .theme-icon {
  filter: brightness(1.08);
}

#theme-toggle:active {
  transform: translateY(2px);
}

#theme-toggle:active .theme-icon {
  transform: translate(-50%, calc(-50% + 2px));
}

#intro .panel-inner {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 24px;
  align-items: start;
}

#avatar-frame {
  position: relative;
  width: 160px;
  height: 160px;
  padding: 16px;
  display: grid;
  place-items: center;
  image-rendering: pixelated;
  justify-self: center;
}

body.day #avatar-frame {
  background:
    linear-gradient(90deg, #8b4513 0 10%, #fbd000 10% 90%, #8b4513 90% 100%),
    linear-gradient(#8b4513 0 10%, #fbd000 10% 90%, #8b4513 90% 100%);
  box-shadow: inset 0 0 0 6px #fff3a6, 0 0 0 6px #8b4513, 10px 10px 0 rgba(139, 69, 19, 0.28);
}

body.day #avatar-frame::before {
  content: "";
  position: absolute;
  inset: 8px;
  background:
    radial-gradient(circle at 24px 24px, rgba(255, 255, 255, 0.8) 0 4px, transparent 5px),
    radial-gradient(circle at calc(100% - 24px) 24px, rgba(255, 255, 255, 0.8) 0 4px, transparent 5px),
    radial-gradient(circle at 24px calc(100% - 24px), rgba(255, 255, 255, 0.8) 0 4px, transparent 5px),
    radial-gradient(circle at calc(100% - 24px) calc(100% - 24px), rgba(255, 255, 255, 0.8) 0 4px, transparent 5px);
  pointer-events: none;
}

body.night #avatar-frame {
  background:
    linear-gradient(135deg, #6d5338 0 18%, #3d2f23 18% 42%, #6d5338 42% 100%);
  box-shadow:
    inset 0 0 0 6px #2d332d,
    inset 0 0 0 12px #66503d,
    0 0 0 6px #151b15,
    0 0 16px rgba(204, 198, 116, 0.18);
}

body.night #avatar-frame::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 4px solid rgba(173, 184, 130, 0.42);
  box-shadow: inset 0 0 12px rgba(193, 183, 101, 0.18);
  pointer-events: none;
}

#intro img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
  border: 4px solid var(--panel-border);
  background:
    repeating-linear-gradient(90deg, #d9d9d9 0 12px, #c2c2c2 12px 24px),
    repeating-linear-gradient(#efefef 0 12px, #cfcfcf 12px 24px);
}

#nickname {
  font-size: clamp(24px, 3vw, 42px);
  line-height: 1.3;
  margin-bottom: 14px;
  text-shadow: 4px 4px 0 rgba(0, 0, 0, 0.16);
}

.name-banner {
  display: inline-block;
  margin-bottom: 18px;
  padding: 10px 14px;
  font-size: 12px;
  position: relative;
  border: 4px solid var(--panel-border);
}

body.day .name-banner {
  background: linear-gradient(90deg, #e60012 0 70%, #ffffff 70% 75%, #049cd8 75% 100%);
  color: #ffffff;
}

body.day .name-banner::after {
  content: "";
  position: absolute;
  right: -24px;
  top: 0;
  width: 0;
  height: 0;
  border-top: 20px solid transparent;
  border-bottom: 20px solid transparent;
  border-left: 24px solid #049cd8;
}

body.night .name-banner {
  background: linear-gradient(#6f7d69 0 16%, #8b7355 16% 100%);
  color: #eef6d8;
  box-shadow: inset 0 -8px 0 rgba(0, 0, 0, 0.2);
}

#major {
  margin-bottom: 16px;
  font-size: 14px;
}

#bio {
  position: relative;
  max-width: 100%;
  padding: 18px 20px;
  font-size: 13px;
}

body.day #bio {
  background: rgba(255, 255, 255, 0.82);
  border: 4px solid #111111;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.15);
}

body.day #bio::after {
  content: "";
  position: absolute;
  left: 26px;
  bottom: -18px;
  width: 24px;
  height: 24px;
  background: rgba(255, 255, 255, 0.82);
  border-right: 4px solid #111111;
  border-bottom: 4px solid #111111;
  transform: rotate(45deg);
}

body.night #bio {
  background:
    linear-gradient(180deg, rgba(35, 42, 35, 0.62) 0 12%, rgba(11, 14, 14, 0.7) 12% 100%);
  border: 4px solid #47634a;
  box-shadow: inset 0 0 0 4px rgba(164, 180, 132, 0.08), 0 0 14px rgba(0, 0, 0, 0.35);
}

#bio p {
  margin: 8px 0;
}

.data-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.essay-layout {
  display: block;
}

.essay-list,
.essay-viewer {
  border: 4px solid var(--panel-border);
  min-height: 320px;
  padding: 16px;
  position: relative;
}

body.day .essay-list,
body.day .essay-viewer {
  background: rgba(255, 255, 255, 0.78);
}

body.night .essay-list,
body.night .essay-viewer {
  background: rgba(19, 25, 22, 0.62);
}

.essay-list {
  display: grid;
  gap: 12px;
  width: 100%;
}

.essay-list-panel {
  width: 100%;
}

.essay-layout {
  padding: 0 24px;
}

.essay-item {
  width: 100%;
  text-align: left;
  padding: 14px;
  border: 4px solid var(--panel-border);
  cursor: pointer;
  font: inherit;
  transition:
    transform 0.18s var(--pixel-step),
    filter 0.18s var(--pixel-step),
    background 0.18s var(--pixel-step);
}

body.day .essay-item {
  background: rgba(251, 208, 0, 0.28);
  color: #1b1206;
}

body.night .essay-item {
  background: rgba(79, 107, 74, 0.3);
  color: #eef6d8;
}

.essay-item:hover,
.essay-item.active {
  transform: translateY(-3px);
  filter: brightness(1.04);
}

body.day .essay-item.active {
  background: rgba(4, 156, 216, 0.2);
}

body.night .essay-item.active {
  background: rgba(122, 163, 78, 0.24);
}

.essay-item-title {
  display: block;
  font-size: 11px;
  line-height: 1.7;
  margin-bottom: 8px;
}

.essay-item-date,
.essay-item-summary {
  display: block;
  font-size: 10px;
  line-height: 1.6;
}

.essay-item-date {
  opacity: 0.8;
  margin-bottom: 6px;
}

.essay-empty {
  font-size: 11px;
  line-height: 1.8;
  opacity: 0.82;
}

.essay-viewer {
  font-size: 12px;
  line-height: 1.9;
  overflow-y: auto;
  max-height: min(70vh, 760px);
}

.essay-viewer h1,
.essay-viewer h2,
.essay-viewer h3 {
  line-height: 1.6;
  margin: 0 0 12px;
}

.essay-viewer h1 {
  font-size: 18px;
}

.essay-viewer h2 {
  font-size: 14px;
  margin-top: 20px;
}

.essay-viewer h3 {
  font-size: 12px;
  margin-top: 18px;
}

.essay-viewer p,
.essay-viewer ul,
.essay-viewer ol,
.essay-viewer blockquote,
.essay-viewer pre {
  margin: 0 0 14px;
}

.essay-viewer ul,
.essay-viewer ol {
  padding-left: 24px;
}

.essay-viewer blockquote {
  padding: 10px 12px;
  border-left: 4px solid var(--panel-border);
}

body.day .essay-viewer blockquote {
  background: rgba(251, 208, 0, 0.12);
}

body.night .essay-viewer blockquote {
  background: rgba(111, 163, 78, 0.14);
}

.essay-viewer pre {
  overflow-x: auto;
  padding: 12px;
  border: 4px solid var(--panel-border);
  white-space: pre-wrap;
}

body.day .essay-viewer pre {
  background: rgba(255, 255, 255, 0.9);
}

body.night .essay-viewer pre {
  background: rgba(11, 14, 14, 0.85);
}

.essay-viewer code {
  font-family: "Press Start 2P", "ZCOOL QingKe HuangYou", monospace;
}

#essay-overlay {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.76);
  padding: 24px;
}

#essay-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.essay-overlay-frame {
  width: min(920px, 100%);
  max-height: 100%;
  padding: 24px;
  overflow: hidden;
}

#close-essay {
  display: block;
  margin: 0 0 16px auto;
}

.chart-header {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 12px 16px;
  font-size: 12px;
  border: 4px solid var(--panel-border);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.18);
}

body.day .chart-header {
  background: linear-gradient(#43b047 0 22%, #ffffff 22% 28%, #049cd8 28% 100%);
  color: #ffffff;
}

body.night .chart-header {
  background:
    linear-gradient(#7ca34c 0 14%, #6d5338 14% 22%, #4c3c2d 22% 100%);
  color: #eef6d8;
  border-color: #394337;
}

#steps-chart {
  min-height: 350px;
}

.chart-bars {
  display: flex;
  align-items: end;
  gap: 8px;
  min-height: 218px;
  padding: 52px 18px 22px;
  border: 4px solid var(--panel-border);
  position: relative;
  overflow-x: auto;
}

body.day .chart-bars {
  background: linear-gradient(#8fd2ff 0 72%, #d08d44 72% 74%, #8b4513 74% 100%);
}

body.night .chart-bars {
  background:
    linear-gradient(#12213f 0 64%, #6fa34e 64% 68%, #6d5338 68% 78%, #4b3b2a 78% 100%);
}

.chart-bars::-webkit-scrollbar {
  height: 10px;
}

.chart-bars::-webkit-scrollbar-thumb {
  background: var(--panel-border);
}

.bar-item {
  min-width: 28px;
  flex: 1 0 28px;
  text-align: center;
  font-size: 9px;
  position: relative;
}

.bar-item::before {
  content: attr(data-steps);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%);
  padding: 6px 8px;
  white-space: nowrap;
  font-size: 10px;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s var(--pixel-step), transform 0.15s var(--pixel-step);
  z-index: 2;
}

body.day .bar-item::before {
  background: rgba(255, 255, 255, 0.94);
  color: #1b1206;
  border: 3px solid #8b4513;
  box-shadow: 4px 4px 0 rgba(139, 69, 19, 0.18);
}

body.night .bar-item::before {
  background: rgba(21, 28, 24, 0.94);
  color: #eef6d8;
  border: 3px solid #5c6b56;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.24);
}

.bar-item:hover::before,
.bar-item:focus-within::before,
.bar-item:focus::before {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

.bar {
  position: relative;
  width: 100%;
  min-height: 14px;
  border: 3px solid rgba(0, 0, 0, 0.36);
  transform-origin: bottom;
  transition: transform 0.25s var(--pixel-step), filter 0.25s var(--pixel-step);
}

.bar:hover {
  transform: translateY(-4px);
  filter: brightness(1.08);
}

body.day .bar {
  background: linear-gradient(90deg, #1c7f20 0 16%, #43b047 16% 78%, #8af18c 78% 100%);
  border-top-width: 7px;
  border-top-color: #9df49f;
  box-shadow: inset 0 -8px 0 #2f7a2e;
  border-radius: 6px 6px 2px 2px;
}

body.night .bar {
  background:
    repeating-linear-gradient(
      to top,
      #6a503b 0 14px,
      #6a503b 14px 16px,
      #4c3c2d 16px 30px,
      #4c3c2d 30px 32px
    );
  box-shadow:
    inset 0 14px 0 #6fa34e,
    inset 0 16px 0 #5c8a40;
}

body.night .bar::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 0 34%, rgba(146, 160, 117, 0.22) 34% 41%, transparent 41% 100%),
    linear-gradient(45deg, transparent 0 62%, rgba(112, 117, 105, 0.24) 62% 67%, transparent 67% 100%);
  pointer-events: none;
}

.bar-label {
  margin-top: 8px;
}

#photo-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.photo-slot {
  aspect-ratio: 1 / 1;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s var(--pixel-step), filter 0.22s var(--pixel-step);
}

body.day .photo-slot {
  background: linear-gradient(#fbd000 0 14%, #b87428 14% 18%, #e3a636 18% 100%);
  border: 4px solid #8b4513;
  box-shadow: 6px 6px 0 rgba(139, 69, 19, 0.22);
}

body.day .photo-slot::before {
  content: "?";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 30px;
  color: rgba(139, 69, 19, 0.86);
  transition: opacity 0.24s var(--pixel-step), transform 0.24s var(--pixel-step);
  z-index: 1;
  pointer-events: none;
}

body.day .photo-slot:hover {
  transform: translateY(-4px);
  animation: slotShake 0.45s steps(5) 1;
}

body.day .photo-slot:hover::before {
  opacity: 0;
  transform: translateY(-12px);
}

body.night .photo-slot {
  background:
    linear-gradient(135deg, #7a6348 0 14%, #4d3f30 14% 36%, #7a6348 36% 100%);
  border: 4px solid #1d241e;
  box-shadow: inset 0 0 0 4px #676c63, 0 0 0 4px #394337;
}

body.night .photo-slot:hover {
  transform: translateY(-4px);
  filter: drop-shadow(0 0 10px rgba(189, 186, 114, 0.3));
}

.photo-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  image-rendering: pixelated;
  filter: contrast(1.05) saturate(0.92);
  transition: transform 0.22s var(--pixel-step), filter 0.22s var(--pixel-step);
}

.photo-slot:hover img {
  transform: scale(1.05);
  filter: contrast(1.1) saturate(1);
}

#photo-overlay {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 1001;
  background: rgba(0, 0, 0, 0.8);
  padding: 24px;
}

#photo-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-overlay-frame {
  width: min(980px, 100%);
  max-height: 100%;
  padding: 16px 16px 18px;
  overflow: hidden;
}

.photo-overlay-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.photo-overlay-topbar .chart-header {
  margin-bottom: 0;
}

#close-photo {
  flex: 0 0 auto;
  margin: 0;
}

#photo-overlay-image {
  display: block;
  width: 100%;
  max-height: min(78vh, 900px);
  object-fit: contain;
  border: 4px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.08);
}

@keyframes slotShake {
  0%,
  100% {
    transform: translateY(-4px) translateX(0);
  }

  25% {
    transform: translateY(-4px) translateX(-3px);
  }

  50% {
    transform: translateY(-4px) translateX(3px);
  }

  75% {
    transform: translateY(-4px) translateX(-2px);
  }
}

.companion-trigger {
  position: fixed;
  top: 50%;
  width: 128px;
  height: 170px;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  transform: translateY(-50%);
  z-index: 6;
}

.companion-trigger .companion-shadow {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 20px;
  height: 16px;
  background: rgba(0, 0, 0, 0.24);
  filter: blur(1px);
}

.companion-art {
  position: absolute;
  inset: 0;
  transition: transform 0.24s var(--pixel-step), filter 0.24s var(--pixel-step);
}

.companion-art img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  image-rendering: auto;
  filter: drop-shadow(0 8px 0 rgba(0, 0, 0, 0.16));
}

.companion-trigger:hover .companion-art {
  transform: translateY(-6px);
}

#companion-day {
  left: 24px;
}

#companion-night {
  right: 24px;
}

body.day #companion-night {
  opacity: 0;
  pointer-events: none;
}

body.night #companion-day {
  opacity: 0;
  pointer-events: none;
}

body.day #companion-day,
body.night #companion-night {
  opacity: 1;
}

.footer-panel {
  width: var(--panel-width);
  margin: 0 auto var(--section-gap);
  padding: 20px 24px;
  text-align: center;
  font-size: 12px;
}

body.day .footer-panel {
  background: linear-gradient(90deg, #e60012 0 10%, #ffffff 10% 14%, #049cd8 14% 100%);
  color: #ffffff;
}

body.day .footer-panel::after {
  content: "";
  position: absolute;
  right: 28px;
  top: -16px;
  width: 14px;
  height: calc(100% + 16px);
  background: #8b4513;
  box-shadow: 18px 18px 0 #43b047;
}

body.night .footer-panel {
  background: linear-gradient(#6f7d69 0 16%, #8b7355 16% 100%);
  color: #eef6d8;
  box-shadow: inset 0 -10px 0 rgba(0, 0, 0, 0.16);
}

#game-overlay {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 999;
  background: rgba(0, 0, 0, 0.76);
  padding: 24px;
}

#game-overlay.active {
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}

.overlay-frame {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 24px;
  border: 6px solid #111111;
  overflow: hidden;
}

body.day .overlay-frame {
  background: linear-gradient(#fbd000 0 10%, #e60012 10% 16%, #8fd2ff 16% 100%);
  box-shadow: inset 0 0 0 6px #ffffff, inset 0 0 0 14px #8b4513;
}

body.night .overlay-frame {
  background:
    linear-gradient(#7ca34c 0 8%, #6d5338 8% 15%, #474b43 15% 18%, #121a1c 18% 100%);
  box-shadow: inset 0 0 0 6px #2f352d, inset 0 0 0 14px #646960;
}

#close-game {
  position: absolute;
  top: 28px;
  right: 28px;
  z-index: 2;
}

#game-canvas {
  display: block;
  width: 100%;
  height: 100%;
  border: 6px solid #111111;
  image-rendering: pixelated;
  background: #ffffff;
}

@media (max-width: 1100px) {
  :root {
    --panel-width: calc(100vw - 40px);
  }

  .companion-trigger {
    position: absolute;
    top: auto;
    transform: none;
    width: 112px;
    height: 150px;
  }

  #companion-day {
    left: 8px;
    top: 100px;
  }

  #companion-night {
    right: 8px;
    top: 320px;
  }
}

@media (max-width: 900px) {
  .data-grid,
  #intro .panel-inner {
    grid-template-columns: 1fr;
  }

  #photo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #avatar-frame {
    margin-bottom: 4px;
  }

  .companion-trigger {
    position: fixed;
    top: auto;
    bottom: 18px;
    width: 92px;
    height: 122px;
  }

  #companion-day {
    left: 10px;
  }

  #companion-night {
    right: 10px;
  }
}

@media (max-width: 640px) {
  :root {
    --panel-width: calc(100vw - 20px);
    --section-gap: 22px;
  }

  body {
    font-size: 12px;
  }

  main {
    padding: 18px 0 28px;
  }

  .pixel-panel,
  .footer-panel {
    padding: 16px;
  }

  .section-title,
  .chart-header,
  #major,
  #bio,
  .footer-panel {
    font-size: 10px;
  }

  #nickname {
    font-size: 18px;
  }

  #photo-wall {
    grid-template-columns: 1fr;
  }

  .chart-bars {
    gap: 6px;
    padding: 16px 12px 18px;
  }

  .bar-item {
    min-width: 24px;
    flex-basis: 24px;
  }

  .overlay-frame {
    padding: 18px;
  }

  .essay-overlay-frame {
    padding: 18px;
  }

  .photo-overlay-frame {
    padding: 14px;
  }

  #close-game {
    top: 22px;
    right: 22px;
  }

  .companion-trigger {
    width: 78px;
    height: 108px;
  }

  .essay-layout {
    padding: 0 8px;
  }

  #theme-toggle {
    top: 14px;
    right: 10px;
    width: 46px;
    height: 46px;
    min-width: 46px;
  }
}