:root {
  --bg: #0b0f0c;
  --green: #36ff7a;
  --accent: var(--green);
  --text: #c9ffd9;
  --muted: #6ce6a7;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: radial-gradient(1200px 800px at 70% -10%, rgba(54, 255, 122, .12), transparent 60%),
              radial-gradient(900px 600px at 10% 110%, rgba(54, 255, 122, .08), transparent 60%),
              var(--bg);
  color: var(--text);
  overflow: hidden;
  animation: backgroundPulse 8s ease-in-out infinite alternate;
}

@keyframes backgroundPulse {
  0% {
    background: radial-gradient(1200px 800px at 70% -10%, rgba(54, 255, 122, .10), transparent 60%),
                radial-gradient(900px 600px at 10% 110%, rgba(54, 255, 122, .06), transparent 60%),
                var(--bg);
  }
  50% {
    background: radial-gradient(1300px 900px at 65% -5%, rgba(54, 255, 122, .14), transparent 65%),
                radial-gradient(1000px 700px at 15% 105%, rgba(54, 255, 122, .10), transparent 65%),
                var(--bg);
  }
  100% {
    background: radial-gradient(1100px 700px at 75% -15%, rgba(54, 255, 122, .12), transparent 55%),
                radial-gradient(800px 500px at 5% 115%, rgba(54, 255, 122, .08), transparent 55%),
                var(--bg);
  }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(#0f2213 1px, transparent 1px), 
                    linear-gradient(90deg, #0f2213 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: .22;
  pointer-events: none;
  animation: gridFloat 12s ease-in-out infinite;
}

@keyframes gridFloat {
  0%, 100% { 
    transform: translateX(0) translateY(0); 
    opacity: .22; 
  }
  25% { 
    transform: translateX(2px) translateY(-1px); 
    opacity: .18; 
  }
  50% { 
    transform: translateX(-1px) translateY(2px); 
    opacity: .25; 
  }
  75% { 
    transform: translateX(1px) translateY(1px); 
    opacity: .20; 
  }
}

#space {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.window {
  position: absolute;
  z-index: 1;
  max-width: 1400px;
  width: 95vw;
  height: 88vh;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid #164727;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(12, 18, 14, .85), rgba(7, 10, 8, .92));
  box-shadow: 0 30px 60px rgba(0, 0, 0, .5), 
              inset 0 0 40px rgba(54, 255, 122, .05),
              0 0 30px rgba(54, 255, 122, .03);
  overflow: hidden;
  min-width: 400px;
  min-height: 300px;
  margin: 2vh 2.5vw;
  animation: windowGlow 6s ease-in-out infinite alternate, windowFloat 10s ease-in-out infinite;
}

@keyframes windowGlow {
  0% {
    box-shadow: 0 30px 60px rgba(0, 0, 0, .5), 
                inset 0 0 40px rgba(54, 255, 122, .03),
                0 0 25px rgba(54, 255, 122, .02);
  }
  100% {
    box-shadow: 0 30px 60px rgba(0, 0, 0, .5), 
                inset 0 0 40px rgba(54, 255, 122, .08),
                0 0 35px rgba(54, 255, 122, .05);
  }
}

@keyframes windowFloat {
  0%, 100% { 
    transform: translate(-50%, -50%) translateY(0px) scale(1); 
  }
  25% { 
    transform: translate(-50%, -50%) translateY(-2px) scale(1.001); 
  }
  50% { 
    transform: translate(-50%, -50%) translateY(1px) scale(0.999); 
  }
  75% { 
    transform: translate(-50%, -50%) translateY(-1px) scale(1.0005); 
  }
}

.titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid #173b26;
  background: linear-gradient(180deg, rgba(12, 18, 14, .6), rgba(12, 18, 14, .2));
  cursor: move;
  user-select: none;
  min-height: 48px;
}

.traffic {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 .75rem rgba(54, 255, 122, .5);
}

.dot.red {
  background: #ff5f56;
}

.dot.yellow {
  background: #ffbd2e;
}

.dot.green {
  background: #27c93f;
}

.title {
  color: var(--muted);
  letter-spacing: .04em;
}

.quickbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.qbtn {
  border: 1px solid #1f5d37;
  background: rgba(9, 14, 11, .5);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  white-space: nowrap;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: buttonFloat 4s ease-in-out infinite;
  animation-delay: calc(var(--btn-index, 0) * 0.2s);
}

@keyframes buttonFloat {
  0%, 100% { 
    transform: translateY(0px) scale(1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  25% { 
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  }
  50% { 
    transform: translateY(0px) scale(1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  75% { 
    transform: translateY(1px) scale(0.98);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  }
}

.qbtn:hover {
  background: rgba(54, 255, 122, 0.15);
  border-color: #36ff7a;
  box-shadow: 0 0 12px rgba(54, 255, 122, 0.4), 0 4px 8px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px) scale(1.05);
  animation-play-state: paused;
}

.terminal {
  position: absolute;
  inset: 60px 0 0 0;
  display: flex;
  flex-direction: column;
  height: calc(100% - 60px);
}

.screen {
  flex: 1;
  overflow: auto;
  padding: 18px 22px;
  scrollbar-width: thin;
}

.screen::-webkit-scrollbar {
  width: 8px;
}

.screen::-webkit-scrollbar-thumb {
  background: #174c2c;
  border-radius: 8px;
}

.line {
  white-space: pre-wrap;
  word-break: break-word;
}

.prompt {
  color: var(--accent);
}

.caret {
  display: inline-block;
  width: 10px;
  height: 1.2em;
  background: var(--accent);
  animation: blink 1s steps(1, end) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.inputbar {
  display: flex;
  gap: 10px;
  align-items: center;
  border-top: 1px solid #173b26;
  padding: 10px 14px;
}

.ps1 {
  color: var(--accent);
  opacity: .95;
}

#cmd {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font: inherit;
  caret-color: var(--accent);
  animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
  0% {
    text-shadow: 0 0 2px transparent;
  }
  100% {
    text-shadow: 0 0 4px rgba(54, 255, 122, 0.3);
  }
}

#cmd::selection {
  background: rgba(54, 255, 122, 0.3);
}

.file {
  display: inline-block;
  margin: 3px 8px 3px 0;
  padding: 2px 8px;
  border: 1px solid #185f35;
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
}

.file.dir {
  border-style: dashed;
}

.file:hover {
  box-shadow: 0 0 .75rem rgba(54, 255, 122, .4);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3;
}

.modal-inner {
  width: min(900px, 92vw);
  height: min(70vh, 80vh);
  background: #0a120d;
  border: 1px solid #1a5e36;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-title {
  padding: 10px 14px;
  border-bottom: 1px solid #1a5e36;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}

.modal-body {
  padding: 12px;
  color: var(--text);
  overflow: auto;
}

.modal-hint {
  padding: 8px 12px;
  border-top: 1px solid #1a5e36;
  color: var(--muted);
}

.screen img {
  max-width: 90%;
  border-radius: 8px;
  display: block;
  margin: 8px 0;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .6);
}

.screen pre {
  background: rgba(0, 0, 0, .35);
  padding: 8px;
  border-radius: 6px;
  overflow: auto;
}

.root-mode {
  --accent: #ff4d4d;
  --muted: #ff9d9d;
}

/* Resize handles */
.resize-handle {
  position: absolute;
  background: transparent;
}

.resize-n, .resize-s {
  height: 8px;
  left: 8px;
  right: 8px;
  cursor: ns-resize;
}

.resize-w, .resize-e {
  width: 8px;
  top: 8px;
  bottom: 8px;
  cursor: ew-resize;
}

.resize-n { top: -4px; }
.resize-s { bottom: -4px; }
.resize-w { left: -4px; }
.resize-e { right: -4px; }

.resize-nw, .resize-ne, .resize-sw, .resize-se {
  width: 12px;
  height: 12px;
}

.resize-nw {
  top: -4px;
  left: -4px;
  cursor: nw-resize;
}

.resize-ne {
  top: -4px;
  right: -4px;
  cursor: ne-resize;
}

.resize-sw {
  bottom: -4px;
  left: -4px;
  cursor: sw-resize;
}

.resize-se {
  bottom: -4px;
  right: -4px;
  cursor: se-resize;
}

.window.resizing {
  user-select: none;
}

.window.dragging {
  user-select: none;
}

@media (max-width: 1200px) {
  .window {
    width: 90vw;
    height: 80vh;
    margin: 10vh 5vw;
  }
  
  .titlebar {
    padding: 8px 12px;
    min-height: 40px;
  }
  
  .qbtn {
    font-size: 12px;
    padding: 6px 10px;
    min-height: 28px;
  }
  
  .screen {
    font-size: 13px;
    padding: 14px 16px;
  }
  
  .inputbar {
    padding: 8px 12px;
  }
  
  .ps1 {
    font-size: 12px;
  }
  
  #cmd {
    font-size: 13px;
  }
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }
  
  .window {
    height: 85vh;
    width: 92vw;
    margin: 7.5vh 4vw;
    border-radius: 10px;
  }
  
  .titlebar {
    flex-direction: column;
    gap: 8px;
    padding: 10px 12px;
    min-height: 50px;
  }
  
  .title {
    order: 1;
    text-align: center;
    font-size: 12px;
  }
  
  .quickbar {
    order: 0;
    width: 100%;
    justify-content: center;
    gap: 6px;
  }
  
  .traffic {
    order: 2;
    margin-left: 0;
  }
  
  .qbtn {
    font-size: 11px;
    padding: 5px 8px;
    min-height: 24px;
  }
  
  .terminal {
    inset: 65px 0 0 0;
    height: calc(100% - 65px);
  }
  
  .screen {
    font-size: 12px;
    padding: 12px 14px;
  }
  
  .ps1 {
    font-size: 11px;
  }
  
  #cmd {
    font-size: 12px;
  }
  
  .inputbar {
    padding: 8px 10px;
  }
}

@media (max-width: 600px) {
  .window {
  height: 88vh;
  width: 90vw; /* narrower for side breathing room */
  /* Move off centered positioning for mobile to avoid browser UI overlap */
  top: calc(env(safe-area-inset-top, 0px) + 12vh);
  left: 50%;
  transform: translateX(-50%);
  margin: 0 2vw;
  border-radius: 10px;
  /* Disable float animation that assumes centered transform */
  animation: windowGlow 6s ease-in-out infinite alternate;
  }
  
  .titlebar {
    padding: 8px 10px;
    min-height: 45px;
  /* Slightly tighter spacing */
  }
  
  .quickbar {
    gap: 4px;
    justify-content: space-between;
  }
  
  .qbtn {
    font-size: 10px;
    padding: 4px 6px;
    min-height: 22px;
    flex: 1;
    max-width: 19%;
  }
  
  .terminal {
    inset: 60px 0 0 0;
    height: calc(100% - 60px);
  }
  
  .screen {
  padding: 8px 10px;
  font-size: 10px;
  line-height: 1.35;
  }
  
  .inputbar {
    padding: 6px 10px;
  }
  
  .ps1 {
    font-size: 10px;
  }
  
  #cmd {
  font-size: 10px;
  }
  
  .file {
  font-size: 10px;
    padding: 2px 4px;
    margin: 2px 3px 2px 0;
  }
}

@media (max-width: 480px) {
  .window {
  height: 90vh;
  width: 92vw; /* slight increase vs 600px but still narrower than full */
  top: calc(env(safe-area-inset-top, 0px) + 14vh);
  left: 50%;
  transform: translateX(-50%);
  margin: 0 1vw;
  border-radius: 8px;
  }
  
  .titlebar {
    min-height: 40px;
    padding: 6px 8px;
  }
  
  .quickbar {
    gap: 3px;
  }
  
  .qbtn {
  font-size: 8.5px;
  padding: 3px 5px;
  min-height: 20px;
  }
  
  .terminal {
    inset: 55px 0 0 0;
    height: calc(100% - 55px);
  }
  
  .screen {
  padding: 6px 8px;
  font-size: 9.5px;
  }
  
  .inputbar {
    padding: 5px 8px;
  }
  
  .ps1 {
    font-size: 9px;
  }
  
  #cmd {
  font-size: 9.5px;
  }
  
  .file {
  font-size: 9.5px;
    padding: 1px 4px;
    margin: 1px 2px 1px 0;
  }
}

@media (max-width: 360px) {
  .window {
  height: 92vh;
  width: 94vw; /* maintain margin even on very small screens */
  top: calc(env(safe-area-inset-top, 0px) + 15vh);
  left: 50%;
  transform: translateX(-50%);
  margin: 0 0.5vw;
  border-radius: 6px;
  animation: windowGlow 6s ease-in-out infinite alternate;
  }
  
  .titlebar {
  min-height: 34px;
  padding: 4px 6px;
  }
  
  .title {
  font-size: 9px;
  }
  
  .quickbar {
    gap: 2px;
  }
  
  .qbtn {
  font-size: 7.5px;
  padding: 2px 4px;
  min-height: 18px;
  }
  
  .terminal {
  inset: 48px 0 0 0;
  height: calc(100% - 48px);
  }
  
  .screen {
  padding: 5px 7px;
  font-size: 8.5px;
  line-height: 1.3;
  }
  
  .inputbar {
    padding: 4px 6px;
  }
  
  .ps1 {
  font-size: 7.5px;
  }
  
  #cmd {
  font-size: 8.5px;
  }
  
  .file {
  font-size: 8.5px;
    padding: 1px 3px;
    margin: 1px 1px 1px 0;
  }
  
  .dot {
    width: 8px;
    height: 8px;
  }
  
  .traffic {
    gap: 4px;
  }
}