:root, body[data-theme="kuroi"] {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.2);
  --modal-bg: rgba(15, 23, 42, 0.95);
  --modal-border: rgba(56, 189, 248, 0.3);
  --modal-text: #f8fafc;
  --btn-bg: #1e293b;
  --btn-hover: #334155;
  --btn-text: #38bdf8;
}

body[data-theme="shiro"] {
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --accent: #0284c7;
  --accent-glow: rgba(2, 132, 199, 0.15);
  --modal-bg: rgba(241, 245, 249, 0.95);
  --modal-border: rgba(100, 116, 139, 0.4);
  --modal-text: #0f172a;
  --btn-bg: #cbd5e1;
  --btn-hover: #94a3b8;
  --btn-text: #0f172a;
}

body[data-theme="sorai"] {
  --bg-color: #e0f2fe;
  --card-bg: #ffffff;
  --text-main: #0c4a6e;
  --text-muted: #0284c7;
  --accent: #0369a1;
  --accent-glow: rgba(3, 105, 161, 0.15);
  --modal-bg: rgba(7, 89, 133, 0.95);
  --modal-border: rgba(56, 189, 248, 0.5);
  --modal-text: #e0f2fe;
  --btn-bg: #0369a1;
  --btn-hover: #0284c7;
  --btn-text: #bae6fd;
}

body[data-theme="roses"] {
  --bg-color: #fce7f3;
  --card-bg: #ffffff;
  --text-main: #831843;
  --text-muted: #be185d;
  --accent: #9d174d;
  --accent-glow: rgba(157, 23, 77, 0.15);
  --modal-bg: rgba(131, 24, 67, 0.95);
  --modal-border: rgba(244, 114, 182, 0.5);
  --modal-text: #fce7f3;
  --btn-bg: #9d174d;
  --btn-hover: #be185d;
  --btn-text: #fbcfe8;
}

body[data-theme="royal"] {
  --bg-color: #ede9fe;
  --card-bg: #ffffff;
  --text-main: #3b0764;
  --text-muted: #6b21a8;
  --accent: #5b21b6;
  --accent-glow: rgba(91, 33, 182, 0.15);
  --modal-bg: rgba(76, 29, 149, 0.95);
  --modal-border: rgba(167, 139, 250, 0.5);
  --modal-text: #ede9fe;
  --btn-bg: #5b21b6;
  --btn-hover: #6d28d9;
  --btn-text: #ddd6fe;
}

body[data-theme="kiiro"] {
  --bg-color: #fef3c7;
  --card-bg: #ffffff;
  --text-main: #78350f;
  --text-muted: #b45309;
  --accent: #92400e;
  --accent-glow: rgba(146, 64, 14, 0.15);
  --modal-bg: rgba(120, 53, 15, 0.95);
  --modal-border: rgba(251, 191, 36, 0.5);
  --modal-text: #fef3c7;
  --btn-bg: #92400e;
  --btn-hover: #b45309;
  --btn-text: #fde68a;
}

body[data-theme="ryoku"] {
  --bg-color: #dcfce7;
  --card-bg: #ffffff;
  --text-main: #14532d;
  --text-muted: #15803d;
  --accent: #166534;
  --accent-glow: rgba(22, 101, 52, 0.15);
  --modal-bg: rgba(20, 83, 45, 0.95);
  --modal-border: rgba(74, 222, 128, 0.5);
  --modal-text: #dcfce7;
  --btn-bg: #166534;
  --btn-hover: #15803d;
  --btn-text: #bbf7d0;
}

body[data-theme="blood"] {
  --bg-color: #fee2e2;
  --card-bg: #ffffff;
  --text-main: #7f1d1d;
  --text-muted: #b91c1c;
  --accent: #991b1b;
  --accent-glow: rgba(153, 27, 27, 0.15);
  --modal-bg: rgba(127, 29, 29, 0.95);
  --modal-border: rgba(248, 113, 113, 0.5);
  --modal-text: #fee2e2;
  --btn-bg: #991b1b;
  --btn-hover: #b91c1c;
  --btn-text: #fecaca;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  min-height: 100%;
  touch-action: manipulation;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  transition: background-color 0.3s, color 0.3s;
  overflow-y: auto;
  padding-top: 3.75rem;
  box-sizing: border-box;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  box-sizing: border-box;
  background-color: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(167, 139, 250, 0.3);
  z-index: 1000;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  overflow: hidden;
}

.poochi-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0;
  opacity: 0.9;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.topbar-nav::-webkit-scrollbar {
  display: none;
}

.topbar-tab {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  opacity: 0.7;
  flex-shrink: 0;
}

.topbar-tab:hover, .topbar-tab:active {
  opacity: 1;
  background: var(--accent-glow);
}

.topbar-tab.active {
  opacity: 1;
  background: var(--accent);
  color: #fff;
  font-weight: 500;
}

.container {
  width: 100vw;
  max-width: 100%;
  padding: 0.75rem 0;
  box-sizing: border-box;
  margin-bottom: 2rem;
  overflow: hidden;
}

.paper-track {
  display: flex;
  width: max-content;
  gap: 1.25rem;
  transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
  backface-visibility: hidden;
  align-items: flex-start;
}

.slide {
  flex: 0 0 auto;
  width: 540px;
  max-width: 82vw;
  box-sizing: border-box;
}

.paper {
  background-color: var(--card-bg);
  border-radius: 14px;
  border: 1px solid rgba(167, 139, 250, 0.3);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
  min-height: 400px;
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.25rem;
  box-sizing: border-box;
  opacity: 0.5;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  transform: scale(0.96) translateZ(0);
  cursor: pointer;
}

.paper.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1) translateZ(0);
  cursor: default;
}

.page-title {
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.03em;
  margin-bottom: 0.2rem;
  text-align: center;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  text-align: center;
}

.whoami-top-grid {
  display: grid;
  grid-template-columns: 1fr 140px;
  gap: 1rem;
  width: 100%;
  align-items: stretch;
  margin-bottom: 1rem;
}

.info-card {
  background: rgba(167, 139, 250, 0.05);
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.header-card {
  gap: 0.5rem;
}

.author-title {
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.2;
}

.author-alias {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.self-info-text {
  margin: 0.4rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.self-info-text p {
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--text-main);
  opacity: 0.9;
}

.flags-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.15rem;
}

.flag-icon {
  height: 0.95rem;
  width: auto;
  vertical-align: middle;
  border-radius: 2px;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.flag-icon:hover {
  transform: scale(1.1);
}

.socials-scroll-container {
  width: 100%;
  overflow-x: auto;
  margin-top: 0.5rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.socials-scroll-container::-webkit-scrollbar {
  display: none;
}

.socials-track {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid rgba(120, 120, 120, 0.25);
  color: var(--text-muted);
  opacity: 0.8;
  transition: all 0.2s ease;
  flex-shrink: 0;
  text-decoration: none;
}

.social-icon-btn:hover, .social-icon-btn:active {
  opacity: 1;
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: scale(0.96);
}

.pic1-box {
  width: 100%;
  height: 100%;
  min-height: 140px;
}

.sketch-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(167, 139, 250, 0.3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  display: block;
}

.section-card {
  margin-bottom: 1rem;
}

.section-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.4rem;
  text-transform: lowercase;
}

.section-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.pic2-box {
  display: flex;
  justify-content: center;
  width: 100%;
  margin: 0.25rem 0 1rem 0;
}

.pic2-img {
  max-width: 240px;
  width: 100%;
  height: auto;
  max-height: 160px;
}

.contact-box {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.email-info {
  font-size: 0.88rem;
  text-align: center;
  background: rgba(167, 139, 250, 0.08);
  padding: 0.75rem;
  border-radius: 8px;
  word-break: break-word;
}

.accent-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(167, 139, 250, 0.3);
  background: transparent;
  color: var(--text-main);
  font-family: inherit;
  font-size: 16px; 
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
}

.form-textarea {
  resize: vertical;
}

.external-nav-link {
  color: var(--btn-text);
  background-color: var(--btn-bg);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.75rem 1.2rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  border: none;
}

.external-nav-link:hover, .external-nav-link:active {
  background-color: var(--btn-hover);
  transform: scale(0.98);
}

.command-modal {
  position: fixed;
  top: 15%;
  left: 50%;
  transform: translate(-50%, -10px) scale(0.95);
  width: 92%;
  max-width: 500px;
  background-color: var(--modal-bg);
  border: 1px solid var(--modal-border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
  color: var(--modal-text);
}

.command-modal.active {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0) scale(1);
}

.command-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

.command-prompt-symbol {
  color: var(--accent);
  font-weight: bold;
}

.command-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--modal-text);
  font-family: inherit;
  font-size: 16px;
}

.command-output {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--modal-border);
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 0.83rem;
  color: var(--modal-text);
  max-height: 220px;
  overflow-y: auto;
  display: none;
  word-break: break-word;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--modal-border) transparent;
}

.command-output::-webkit-scrollbar {
  width: 5px;
}

.command-output::-webkit-scrollbar-track {
  background: transparent;
}

.command-output::-webkit-scrollbar-thumb {
  background: var(--modal-border);
  border-radius: 4px;
  transition: background 0.2s ease;
}

.command-output::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.terminal-log-item {
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.terminal-log-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.terminal-log-cmd {
  color: var(--modal-text);
  font-weight: 600;
}

.terminal-log-res {
  margin-top: 0.25rem;
  opacity: 0.85;
  white-space: pre-wrap;
}

.command-output.has-content {
  display: block;
}

.info-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 92%;
  max-width: 400px;
  background-color: var(--card-bg);
  border: 1px solid rgba(167, 139, 250, 0.4);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1001;
  color: var(--text-main);
}

.info-modal.active {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

.info-modal-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-modal-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.info-close-btn {
  align-self: flex-end;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 999;
}

.backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 520px) {
  body {
    padding-top: 3.5rem;
  }

  .paper {
    padding: 1.25rem 1rem;
  }

  .whoami-top-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .pic1-box {
    height: 180px;
  }

  .pic2-img {
    max-width: 100%;
  }
}