/* =========================================================================
 * style.css — terminal window chrome, the screen, and the themes.
 * ========================================================================= */

/* ----- palette (default: a calm dark theme) -------------------------- */
:root,
:root[data-theme="default"] {
  --bg:        #11131a;
  --bg-deep:   #080a0f;
  --fg:        #c8d3f5;
  --green:     #9ece6a;
  --blue:      #7aa2f7;
  --cyan:      #7dcfff;
  --yellow:    #e0af68;
  --red:       #f7768e;
  --magenta:   #bb9af7;
  --orange:    #ff9e64;
  --gray:      #5a6488;
  --white:     #c0caf5;
  --accent:    #2ac3de;
  --link:      #7dcfff;
  --titlebar:  #1a1d27;
  --border:    #262a39;
  --selection: #2d4f67;
  --cursor-bg: var(--green);
  --cursor-fg: var(--bg);
  --glow:      none;
  --scan:      0;
}

:root[data-theme="matrix"] {
  --bg:        #020a02;
  --bg-deep:   #000300;
  --fg:        #2ee66b;
  --green:     #5cff8a;
  --blue:      #36d27a;
  --cyan:      #7dffb0;
  --yellow:    #b6ff7a;
  --red:       #ff5f5f;
  --magenta:   #69ffa1;
  --orange:    #9dff5c;
  --gray:      #1f7a42;
  --white:     #d6ffe2;
  --accent:    #39ff14;
  --link:      #7dffb0;
  --titlebar:  #04140a;
  --border:    #0c351c;
  --selection: #0c5a2c;
  --cursor-bg: #39ff14;
  --cursor-fg: #001a08;
  --glow:      0 0 4px currentColor;
  --scan:      0.06;
}

:root[data-theme="amber"] {
  --bg:        #1a1000;
  --bg-deep:   #0c0800;
  --fg:        #ffb000;
  --green:     #ffc640;
  --blue:      #ff9d2f;
  --cyan:      #ffd277;
  --yellow:    #ffd277;
  --red:       #ff6a3d;
  --magenta:   #ffae42;
  --orange:    #ff8c1a;
  --gray:      #99631a;
  --white:     #ffe1a8;
  --accent:    #ffcf4d;
  --link:      #ffd277;
  --titlebar:  #241600;
  --border:    #4a2f08;
  --selection: #5a3a00;
  --cursor-bg: #ffb000;
  --cursor-fg: #1a1000;
  --glow:      0 0 4px currentColor;
  --scan:      0.07;
}

:root[data-theme="dracula"] {
  --bg:        #282a36;
  --bg-deep:   #191a21;
  --fg:        #f8f8f2;
  --green:     #50fa7b;
  --blue:      #bd93f9;
  --cyan:      #8be9fd;
  --yellow:    #f1fa8c;
  --red:       #ff5555;
  --magenta:   #ff79c6;
  --orange:    #ffb86c;
  --gray:      #6272a4;
  --white:     #f8f8f2;
  --accent:    #bd93f9;
  --link:      #8be9fd;
  --titlebar:  #21222c;
  --border:    #383a4a;
  --selection: #44475a;
  --cursor-bg: #f8f8f2;
  --cursor-fg: #282a36;
  --glow:      none;
  --scan:      0;
}

:root[data-theme="light"] {
  --bg:        #fdf6e3;
  --bg-deep:   #d8d2c0;
  --fg:        #586e75;
  --green:     #859900;
  --blue:      #268bd2;
  --cyan:      #2aa198;
  --yellow:    #b58900;
  --red:       #dc322f;
  --magenta:   #d33682;
  --orange:    #cb4b16;
  --gray:      #93a1a1;
  --white:     #073642;
  --accent:    #268bd2;
  --link:      #268bd2;
  --titlebar:  #eee8d5;
  --border:    #cfc9b6;
  --selection: #e3dcc4;
  --cursor-bg: #586e75;
  --cursor-fg: #fdf6e3;
  --glow:      none;
  --scan:      0;
}

/* ----- reset-ish ----------------------------------------------------- */
* { box-sizing: border-box; }
html, body { height: 100%; max-width: 100%; overflow-x: hidden; }

body {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0px, 2.4vmin, 28px);
  background:
    radial-gradient(1200px 600px at 50% -10%, color-mix(in srgb, var(--accent) 7%, var(--bg-deep)), var(--bg-deep));
  color: var(--fg);
  font-family: "JetBrains Mono", ui-monospace, "Cascadia Code", "Fira Code",
               "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ----- the window ---------------------------------------------------- */
.terminal {
  position: fixed;                       /* a real, movable window (desktop) */
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);      /* centered until you grab it */
  display: flex;
  flex-direction: column;
  touch-action: manipulation; /* kill the 300ms tap delay on mobile */
  width: min(960px, 92vw);
  height: min(86vh, 760px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow:
    0 1px 0 color-mix(in srgb, var(--fg) 8%, transparent) inset,
    0 30px 80px -30px rgba(0, 0, 0, 0.85),
    0 8px 30px -20px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

/* window states (desktop) */
.terminal.is-maximized { border-radius: 0; }
.terminal.is-minimized { cursor: pointer; }
.terminal.is-minimized .screen,
.terminal.is-minimized .quickbar,
.terminal.is-minimized .resize-handles,
.terminal.is-maximized .resize-handles { display: none; }
.terminal.is-minimized .titlebar { cursor: pointer; }
.terminal.is-closed { display: none; }
.terminal.is-dragging, .terminal.is-resizing { user-select: none; }

/* scanline overlay for the CRT-ish themes */
.terminal::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, var(--scan)) 0px,
    rgba(0, 0, 0, var(--scan)) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 1;
}

/* ----- title bar ----------------------------------------------------- */
.titlebar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 8px;
  background: var(--titlebar);
  border-bottom: 1px solid var(--border);
  user-select: none;
}
/* empty spacer balances the window buttons so the title stays centered */
.tb-spacer { flex: 1 1 0; }
.title {
  flex: 0 1 auto;
  min-width: 0;
  text-align: center;
  font-size: 12.5px;
  color: var(--gray);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Linux/GNOME-style window controls on the right (decorative) */
.winbtns { display: flex; align-items: center; justify-content: flex-end; gap: 2px; flex: 1 1 0; }
.winbtn {
  position: relative;
  width: 28px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 6px;
  color: var(--gray);
  cursor: pointer;
}
.winbtn:hover { background: color-mix(in srgb, var(--fg) 14%, transparent); color: var(--fg); }
.winbtn.close:hover { background: #e04a3f; color: #fff; }
/* icons drawn in CSS so they don't depend on any font */
.winbtn.min::before {
  content: ""; width: 10px; height: 1.5px; border-radius: 1px; background: currentColor;
}
.winbtn.max::before {
  content: ""; width: 9px; height: 9px; border: 1.5px solid currentColor; border-radius: 2px;
}
.winbtn.close::before,
.winbtn.close::after {
  content: ""; position: absolute; width: 12px; height: 1.5px;
  border-radius: 1px; background: currentColor;
}
.winbtn.close::before { transform: rotate(45deg); }
.winbtn.close::after  { transform: rotate(-45deg); }

/* ----- drag-to-resize handles (desktop) ----------------------------- */
.resize-handles { position: absolute; inset: 0; z-index: 5; pointer-events: none; }
.rh { position: absolute; pointer-events: auto; }
.rh.n  { top: 0;    left: 10px; right: 10px; height: 6px; cursor: ns-resize; }
.rh.s  { bottom: 0; left: 10px; right: 10px; height: 6px; cursor: ns-resize; }
.rh.e  { right: 0;  top: 10px;  bottom: 10px; width: 6px; cursor: ew-resize; }
.rh.w  { left: 0;   top: 10px;  bottom: 10px; width: 6px; cursor: ew-resize; }
.rh.ne { top: 0;    right: 0; width: 13px; height: 13px; cursor: nesw-resize; }
.rh.sw { bottom: 0; left: 0;  width: 13px; height: 13px; cursor: nesw-resize; }
.rh.nw { top: 0;    left: 0;  width: 13px; height: 13px; cursor: nwse-resize; }
.rh.se { bottom: 0; right: 0; width: 13px; height: 13px; cursor: nwse-resize; }

/* ----- "restart terminal" button (shown after close) ---------------- */
.restart-btn {
  position: fixed;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  font-family: inherit;
  font-size: 14px;
  color: var(--green);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 20px;
  cursor: pointer;
  box-shadow: 0 14px 50px -14px rgba(0, 0, 0, 0.7);
  text-shadow: var(--glow);
}
.restart-btn:hover {
  border-color: var(--green);
  background: color-mix(in srgb, var(--green) 14%, var(--bg));
}
.restart-btn[hidden] { display: none; }

/* ----- the screen ---------------------------------------------------- */
.screen {
  position: relative;
  z-index: 2;
  flex: 1 1 auto;
  min-width: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 14px 16px 18px;
  cursor: text;
  scroll-behavior: smooth;
}
.screen, .screen * { text-shadow: var(--glow); }

.output .block,
.input-line {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.block { margin: 0; max-width: 100%; }
.block:empty { height: 1.5em; }       /* a printed blank line keeps its height */
.cmd-echo { margin-top: 2px; }

/* ASCII art (banner, neofetch, tree, cowsay): never wrap. Instead shrink the
   font so it fits narrow screens, and scroll horizontally only as a last
   resort for anything wider than the screen even when shrunk. */
.output .block.art {
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
  overflow-x: auto;
  overflow-y: hidden;
  font-size: min(1em, 2.9vw);
  line-height: 1.35;
  -webkit-overflow-scrolling: touch;
}
.output .block.art::-webkit-scrollbar { height: 6px; }
.output .block.art::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }

/* ----- the live input line ------------------------------------------ */
.input-line { display: block; }
.prompt { white-space: pre; }
.cmd { white-space: pre-wrap; }

.cursor {
  background: var(--cursor-bg);
  color: var(--cursor-fg);
  border-radius: 1px;
}
.terminal.focused .cursor { animation: blink 1.05s steps(1, end) infinite; }
.terminal:not(.focused) .cursor {
  background: transparent;
  color: inherit;
  box-shadow: inset 0 0 0 1.5px var(--cursor-bg);
}
@keyframes blink {
  0%, 50%   { background: var(--cursor-bg); color: var(--cursor-fg); }
  50.01%, 100% { background: transparent; color: inherit; }
}

/* the actual input element lives off-screen */
.hidden-input {
  position: fixed;
  top: 0; left: 0;
  width: 1px; height: 1px;
  padding: 0; border: 0;
  opacity: 0;
  outline: none;
  background: transparent;
  color: transparent;
  z-index: -1;
  /* 16px stops iOS Safari from zooming the page when the keyboard opens */
  font-size: 16px;
}

/* ----- colours ------------------------------------------------------- */
.clr-green   { color: var(--green); }
.clr-blue    { color: var(--blue); }
.clr-cyan    { color: var(--cyan); }
.clr-yellow  { color: var(--yellow); }
.clr-red     { color: var(--red); }
.clr-magenta { color: var(--magenta); }
.clr-orange  { color: var(--orange); }
.clr-white   { color: var(--white); }
.clr-accent  { color: var(--accent); }
.clr-gray, .dim { color: var(--gray); }
.bold { font-weight: 700; }

a {
  color: var(--link);
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}
a:hover { text-decoration-style: solid; }

/* ----- selection + scrollbar ---------------------------------------- */
::selection { background: var(--selection); color: var(--fg); }
.screen::-webkit-scrollbar { width: 10px; }
.screen::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
  border: 2px solid var(--bg);
}
.screen::-webkit-scrollbar-track { background: transparent; }
.screen { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

/* ----- quick-command bar (touch only) ------------------------------- */
/* Hidden by default so the desktop experience stays a pure terminal. */
.quickbar { display: none; }
@media (hover: none) and (pointer: coarse) { .quickbar { display: flex; } }
@media (max-width: 680px) { .quickbar { display: flex; } }

.quickbar {
  position: relative;
  z-index: 4;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  padding-bottom: max(7px, env(safe-area-inset-bottom));
  background: var(--titlebar);
  border-top: 1px solid var(--border);
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.quickbar::-webkit-scrollbar { display: none; }

.qchip {
  flex: 0 0 auto;
  font-family: inherit;
  font-size: 12.5px;
  line-height: 1;
  color: var(--fg);
  background: color-mix(in srgb, var(--fg) 7%, transparent);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 11px;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.1s ease, border-color 0.1s ease;
}
.qchip:active {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  border-color: var(--accent);
  color: var(--white);
}
.qkey {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  font-weight: 700;
  min-width: 36px;
  text-align: center;
}
.qsep { flex: 0 0 auto; width: 1px; height: 18px; background: var(--border); margin: 0 3px; }

/* ----- small screens: go full-bleed --------------------------------- */
@media (max-width: 680px) {
  body {
    padding: 0;
    font-size: 13px;
    align-items: stretch;     /* pin the terminal to the top, not centered */
    justify-content: flex-start;
  }
  .terminal {
    position: relative;        /* in-flow full-bleed, not a floating window */
    left: auto;
    top: auto;
    transform: none;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    height: var(--vvh, 100dvh); /* track the visible viewport (keyboard-aware) */
    border: 0;
    border-radius: 0;
  }
  .screen { padding: 11px 12px 14px; }
  .titlebar { height: 34px; }
  /* no window chrome on mobile: hide buttons, resize handles, spacer */
  .winbtns, .resize-handles, .tb-spacer { display: none; }
  .title { flex: 1 1 auto; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .terminal.focused .cursor { animation: none; }
  .screen { scroll-behavior: auto; }
}