:root {
  --bg: #0b1020;
  --bg-warm: #231424;
  --panel: rgba(16, 20, 38, 0.82);
  --panel-strong: rgba(22, 27, 49, 0.94);
  --panel-soft: rgba(255, 255, 255, 0.05);
  --line: rgba(198, 213, 255, 0.18);
  --line-strong: rgba(255, 214, 173, 0.28);
  --text: #f5f1eb;
  --muted: #b6bfd6;
  --accent: #ffb16d;
  --accent-soft: #ffd8b0;
  --cyan: #83e5ff;
  --cyan-deep: #3ba1d2;
  --green: #96ed9c;
  --lavender: #aeb9ff;
  --shadow: 0 32px 72px rgba(2, 6, 18, 0.58);
  --safe-bottom: max(0.8rem, env(safe-area-inset-bottom));
  --safe-top: max(0.85rem, env(safe-area-inset-top));
  --radius-shell: 2.55rem;
  --radius-card: 1.4rem;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 16%, rgba(131, 229, 255, 0.2), transparent 20rem),
    radial-gradient(circle at 82% 14%, rgba(255, 177, 109, 0.16), transparent 17rem),
    linear-gradient(145deg, #090d19 0%, #10162c 42%, #1a1327 100%);
}

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

body::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 3rem 3rem;
  mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
  opacity: 0.2;
}

body::after {
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 248, 231, 0.06), transparent 35%),
    radial-gradient(circle at 50% 100%, rgba(131, 229, 255, 0.08), transparent 28%);
}

.experience {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.phone-shell {
  width: min(100%, 448px);
  height: min(100vh - 2rem, 900px);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-radius: var(--radius-shell);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 12rem),
    linear-gradient(165deg, rgba(7, 10, 20, 0.98), rgba(12, 18, 35, 0.98) 48%, rgba(24, 16, 31, 0.98));
  box-shadow: var(--shadow);
  animation: shell-rise 480ms cubic-bezier(0.2, 0.9, 0.2, 1);
}

.phone-shell::before,
.phone-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.phone-shell::before {
  inset: 0.65rem;
  border-radius: calc(var(--radius-shell) - 0.65rem);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.08), transparent 17rem),
    radial-gradient(circle at 86% 24%, rgba(131, 229, 255, 0.1), transparent 15rem);
}

.phone-shell::after {
  background:
    radial-gradient(circle at 90% 12%, rgba(255, 177, 109, 0.15), transparent 10rem),
    radial-gradient(circle at 9% 78%, rgba(131, 229, 255, 0.11), transparent 12rem);
  mix-blend-mode: screen;
}

.status-bar {
  height: calc(3rem + var(--safe-top));
  padding: var(--safe-top) 1.35rem 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 241, 235, 0.74);
}

#status-time {
  font-weight: 600;
}

.status-right {
  color: rgba(255, 177, 109, 0.82);
}

.screen {
  position: absolute;
  inset: calc(3rem + var(--safe-top)) 0 0;
  padding: 1rem 1rem calc(1rem + var(--safe-bottom));
  z-index: 1;
}

.home-screen {
  background:
    radial-gradient(circle at 78% 13%, rgba(255, 177, 109, 0.1) 0 2.5rem, transparent 2.8rem),
    radial-gradient(circle at 72% 18%, rgba(255, 234, 206, 0.6) 0 0.33rem, transparent 0.44rem),
    radial-gradient(circle at 76% 20%, rgba(131, 229, 255, 0.58) 0 0.29rem, transparent 0.38rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 24%),
    linear-gradient(180deg, #11182e 0%, #11172b 42%, #1b1324 100%);
}

.home-screen::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border-radius: calc(var(--radius-shell) - 1.55rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 22%),
    repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.025) 1px, transparent 1px, transparent 7px);
  opacity: 0.45;
  pointer-events: none;
}

.home-head,
.app-topbar {
  position: relative;
  z-index: 1;
}

.home-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.home-head p {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.home-head a {
  color: rgba(245, 241, 235, 0.64);
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.wallpaper-clue {
  position: relative;
  z-index: 1;
  height: 13rem;
  margin-bottom: 1.1rem;
  border-radius: 1.9rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 48%),
    radial-gradient(circle at 75% 25%, rgba(255, 238, 210, 0.84) 0 1.1rem, transparent 1.25rem),
    radial-gradient(circle at 68% 31%, rgba(131, 229, 255, 0.72) 0 0.25rem, transparent 0.4rem),
    radial-gradient(circle at 72% 33%, rgba(255, 177, 109, 0.72) 0 0.25rem, transparent 0.4rem),
    linear-gradient(180deg, rgba(17, 31, 61, 0.74) 0%, rgba(16, 24, 47, 0.3) 46%, rgba(11, 14, 24, 0.08) 100%);
  box-shadow: inset 0 -5rem 5rem rgba(5, 10, 18, 0.45);
  overflow: hidden;
}

.wallpaper-clue::before,
.wallpaper-clue::after {
  content: "";
  position: absolute;
  border-radius: 999px;
}

.wallpaper-clue::before {
  width: 10rem;
  height: 10rem;
  left: -2.6rem;
  bottom: -5rem;
  background: radial-gradient(circle, rgba(131, 229, 255, 0.2), transparent 70%);
}

.wallpaper-clue::after {
  width: 14rem;
  height: 14rem;
  right: -3rem;
  top: -6rem;
  background: radial-gradient(circle, rgba(255, 177, 109, 0.14), transparent 70%);
}

.app-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.app-icon {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.4rem;
  min-height: 7rem;
  padding: 0.85rem 0.8rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 68%),
    rgba(8, 13, 25, 0.52);
  color: var(--text);
  display: grid;
  justify-items: start;
  align-content: start;
  gap: 0.7rem;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  animation: icon-rise 540ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.app-icon:nth-child(2) { animation-delay: 50ms; }
.app-icon:nth-child(3) { animation-delay: 100ms; }
.app-icon:nth-child(4) { animation-delay: 150ms; }
.app-icon:nth-child(5) { animation-delay: 200ms; }

.app-icon:hover,
.app-icon:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 68%),
    rgba(13, 19, 33, 0.72);
  box-shadow: 0 16px 30px rgba(2, 6, 18, 0.28);
  outline: none;
}

.app-icon span:last-child {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.app-icon-muted {
  opacity: 0.72;
}

.icon {
  width: 3.7rem;
  height: 3.7rem;
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 10px 18px rgba(0, 0, 0, 0.22);
}

.icon::before,
.icon::after {
  position: absolute;
  color: rgba(255, 255, 255, 0.92);
}

.icon::before {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.icon::after {
  content: "";
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 50%);
}

.icon.messages {
  background: linear-gradient(145deg, #69e48f, #1f9e62);
}

.icon.messages::before {
  content: "//";
}

.icon.files {
  background: linear-gradient(145deg, #7ae0ff, #3476ff);
}

.icon.files::before {
  content: "[]";
}

.icon.settings {
  background: linear-gradient(145deg, #ffd19e, #d77d49);
}

.icon.settings::before {
  content: "::";
}

.icon.muted {
  background: linear-gradient(145deg, #68718d, #434a62);
}

.icon.muted::before {
  content: "--";
}

.mini-toast {
  position: relative;
  z-index: 1;
  margin-top: 1rem;
  min-height: 3rem;
  padding: 0.78rem 0.92rem;
  border-radius: 1rem;
  border: 1px solid transparent;
  background: rgba(8, 13, 25, 0.42);
  color: rgba(245, 241, 235, 0.72);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.mini-toast.show {
  border-color: rgba(255, 177, 109, 0.26);
  background: rgba(22, 16, 20, 0.7);
  color: var(--text);
}

.app-screen {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 15%),
    linear-gradient(180deg, #0f1528 0%, #12192d 40%, #1a1426 100%);
  transform: translateY(6%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 3;
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms ease;
}

.app-screen.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.app-topbar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.8rem;
}

.app-topbar h1 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.back-home,
.folder-btn,
.overlay-note button,
.thread-btn,
.file-btn {
  font: inherit;
}

.back-home {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 999px;
  min-height: 2.5rem;
  padding: 0.55rem 0.92rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.back-home:hover,
.back-home:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 177, 109, 0.08);
  border-color: rgba(255, 177, 109, 0.28);
  outline: none;
}

.app-content {
  height: calc(100% - 3.5rem - var(--safe-bottom));
  overflow: auto;
  padding-bottom: var(--safe-bottom);
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 177, 109, 0.35) transparent;
}

.app-content::-webkit-scrollbar {
  width: 0.45rem;
}

.app-content::-webkit-scrollbar-thumb {
  background: rgba(255, 177, 109, 0.35);
  border-radius: 999px;
}

.thread-list,
.thread-view,
.folder-list,
.folder-items,
.file-viewer,
.settings-list {
  position: relative;
}

.thread-list {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}

.thread-btn,
.file-btn,
.file-viewer,
.thread-view,
.setting-row {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 60%),
    var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.thread-btn {
  width: 100%;
  text-align: left;
  border-radius: 1.1rem;
  padding: 0.8rem 0.9rem;
  color: var(--text);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.thread-btn:hover,
.thread-btn:focus-visible,
.file-btn:hover,
.file-btn:focus-visible,
.folder-btn:hover,
.folder-btn:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 214, 173, 0.26);
  outline: none;
}

.thread-btn strong,
.file-btn strong {
  display: block;
  font-size: 0.96rem;
}

.thread-btn small {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.thread-view {
  border-radius: 1.3rem;
  padding: 1rem;
}

.thread-view h2,
.file-viewer h3 {
  margin: 0 0 0.85rem;
  font-family: "Syne", sans-serif;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.bubble {
  max-width: 92%;
  padding: 0.7rem 0.78rem;
  border-radius: 1rem;
  margin-bottom: 0.7rem;
  font-size: 0.94rem;
  line-height: 1.42;
}

.bubble.in {
  background: rgba(93, 118, 178, 0.22);
  border: 1px solid rgba(131, 229, 255, 0.16);
}

.bubble.out {
  margin-left: auto;
  text-align: left;
  background: rgba(145, 217, 161, 0.17);
  border: 1px solid rgba(150, 237, 156, 0.16);
}

.bubble time {
  display: block;
  margin-top: 0.35rem;
  color: rgba(245, 241, 235, 0.56);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
}

.files-layout {
  display: grid;
  gap: 0.8rem;
}

.folder-list {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  padding-bottom: 0.3rem;
}

.folder-btn {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  min-height: 2.45rem;
  padding: 0.5rem 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform 160ms ease, border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.folder-btn.active {
  color: var(--text);
  background: rgba(255, 177, 109, 0.1);
  border-color: rgba(255, 177, 109, 0.28);
}

.folder-items {
  display: grid;
  gap: 0.6rem;
}

.file-btn {
  width: 100%;
  text-align: left;
  border-radius: 1rem;
  color: var(--text);
  padding: 0.78rem 0.9rem;
  transition: transform 160ms ease, border-color 160ms ease;
}

.file-meta,
.placeholder {
  color: var(--muted);
  font-size: 0.8rem;
}

.file-meta {
  display: block;
  margin-top: 0.26rem;
  font-family: "IBM Plex Mono", monospace;
}

.file-viewer {
  min-height: 10rem;
  border-radius: 1.2rem;
  padding: 1rem;
}

.file-viewer p {
  margin: 0 0 0.6rem;
  line-height: 1.55;
}

.placeholder {
  margin: 0;
}

.image-card {
  border-radius: 1rem;
  min-height: 7rem;
  padding: 1rem;
  border: 1px solid rgba(131, 229, 255, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 60%),
    linear-gradient(145deg, rgba(77, 103, 171, 0.82), rgba(25, 43, 81, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.settings-list {
  display: grid;
  gap: 0.65rem;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 3.15rem;
  padding: 0.85rem 0.95rem;
  border-radius: 1.1rem;
  gap: 1rem;
  font-size: 0.94rem;
}

.setting-row input {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--accent);
}

.settings-note {
  margin: 0.35rem 0 0;
  color: rgba(245, 241, 235, 0.62);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.6;
}

.overlay-note {
  position: absolute;
  inset: 0;
  z-index: 15;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    linear-gradient(180deg, rgba(5, 9, 17, 0.2), rgba(4, 6, 14, 0.84)),
    rgba(5, 8, 15, 0.52);
  backdrop-filter: blur(16px);
}

.overlay-note[hidden] {
  display: none !important;
}

.overlay-note > div {
  width: min(100%, 24.5rem);
  border-radius: 1.8rem;
  border: 1px solid var(--line-strong);
  padding: 1.35rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 58%),
    rgba(18, 21, 37, 0.95);
  box-shadow:
    0 28px 60px rgba(2, 6, 18, 0.48),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  animation: note-rise 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.overlay-note h2 {
  margin: 0 0 0.8rem;
  font-family: "Syne", sans-serif;
  font-size: clamp(2rem, 7vw, 2.55rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.overlay-note p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.42;
  color: rgba(245, 241, 235, 0.94);
}

.overlay-note button {
  appearance: none;
  border: 1px solid rgba(255, 214, 173, 0.26);
  color: var(--text);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 177, 109, 0.08));
  border-radius: 999px;
  min-height: 2.85rem;
  padding: 0.6rem 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.overlay-note button:hover,
.overlay-note button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 214, 173, 0.42);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 177, 109, 0.14));
  outline: none;
}

@media (min-width: 760px) {
  .split {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
    gap: 0.8rem;
  }

  .thread-list {
    margin-bottom: 0;
    align-content: start;
  }

  .files-layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .folder-list {
    grid-column: 1 / -1;
  }
}

@media (max-width: 430px) {
  .experience {
    padding: 0;
  }

  .phone-shell {
    width: 100%;
    height: 100vh;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }

  .phone-shell::before {
    inset: 0.55rem;
    border-radius: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@keyframes shell-rise {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes icon-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes note-rise {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}