/* ============================================================
   Terminal RPG -- style.css
   A CRT terminal aesthetic: dark base, glowing green/cyan
   text, scanlines, vignette, blinking cursor.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --bg-deep:   #050810;   /* deepest background      */
  --bg:        #0a0f1c;   /* panel background        */
  --bg-soft:   #0d1426;   /* hover / sub-panel       */
  --line:      #14324a;   /* hairline borders        */
  --green:     #33ff66;   /* primary phosphor green  */
  --green-dim: #1f8a39;
  --cyan:      #4cf2ff;   /* accent / headers        */
  --cyan-dim:  #1f8a96;
  --amber:     #ffcf4d;   /* loot / gold             */
  --red:       #ff4d5e;   /* damage / danger         */
  --magenta:   #ff7df5;   /* npc / special           */
  --text:      #b9ffd2;   /* default body text       */
  --text-dim:  #5d8a72;
  --glow:      0 0 6px rgba(51,255,102,.55), 0 0 14px rgba(51,255,102,.25);
  --glow-cyan: 0 0 6px rgba(76,242,255,.55), 0 0 14px rgba(76,242,255,.25);
  --mono:      "Share Tech Mono", "VT323", "Consolas", "Courier New", monospace;
  --mono-big:  "VT323", "Share Tech Mono", "Consolas", monospace;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  /* subtle background grid */
  background-image:
    radial-gradient(circle at 50% -10%, rgba(76,242,255,.08), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(51,255,102,.06), transparent 50%),
    linear-gradient(transparent 95%, rgba(51,255,102,.04) 95%);
  background-size: auto, auto, 100% 3px;
}

/* ---------- CRT overlays (scanlines + vignette + flicker) ---------- */
.crt {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}
.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,.25) 3px,
    rgba(0,0,0,.25) 4px
  );
  mix-blend-mode: multiply;
  opacity: .55;
}
.vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 55%,
    rgba(0,0,0,.55) 100%
  );
  box-shadow: inset 0 0 120px rgba(0,0,0,.8);
}
.flicker {
  position: absolute;
  inset: 0;
  background: rgba(76,242,255,.025);
  animation: flicker 4.5s infinite steps(60);
}
@keyframes flicker {
  0%, 100% { opacity: .9; }
  48%      { opacity: .9; }
  49%      { opacity: .5; }
  50%      { opacity: .95; }
  51%      { opacity: .6; }
  52%      { opacity: .9; }
}

/* ---------- App layout ---------- */
.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 16px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100vh;
}

/* ---------- Title header ---------- */
.title-bar { text-align: center; }
.title {
  font-family: var(--mono-big);
  font-size: clamp(2rem, 6vw, 3.4rem);
  margin: 0;
  letter-spacing: 3px;
  color: var(--green);
  text-shadow: var(--glow);
  line-height: 1;
}
.title .bracket { color: var(--cyan); text-shadow: var(--glow-cyan); }
.subtitle {
  margin: 6px 0 12px;
  color: var(--text-dim);
  font-size: .9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ---------- Toolbar ---------- */
.toolbar { display: inline-flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tb-btn {
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--cyan-dim);
  padding: 6px 12px;
  cursor: pointer;
  transition: all .15s ease;
  text-shadow: var(--glow-cyan);
}
.tb-btn:hover  { background: rgba(76,242,255,.12); box-shadow: var(--glow-cyan); }
.tb-btn:active { transform: translateY(1px); }
.tb-btn:focus-visible { outline: 1px dashed var(--cyan); outline-offset: 2px; }

/* ---------- Game grid (story | side) ---------- */
.game-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 14px;
  flex: 1;
  min-height: 0;
}
@media (max-width: 860px) {
  .game-grid { grid-template-columns: 1fr; }
  .side-panel { order: 2; }
}

/* ---------- Panels (shared) ---------- */
.panel {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: inset 0 0 30px rgba(0,0,0,.6);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.panel-header {
  font-size: .78rem;
  letter-spacing: 2px;
  color: var(--cyan-dim);
  padding: 6px 10px;
  border-bottom: 1px solid var(--line);
  background: rgba(76,242,255,.04);
  text-transform: uppercase;
}
.panel-header.sub { border-top: 1px solid var(--line); margin-top: 4px; }

/* ---------- Terminal / story panel ---------- */
.terminal-panel { min-height: 520px; }
.story {
  padding: 14px;
  overflow-y: auto;
  flex: 1;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 1rem;
  color: var(--text);
  text-shadow: 0 0 2px rgba(51,255,102,.25);
  min-height: 200px;
}
.story:focus { outline: none; }

/* Story content styling (added via JS as elements) */
.story .scene-title { color: var(--cyan); text-shadow: var(--glow-cyan); font-weight: bold; }
.story .npc    { color: var(--magenta); }
.story .item   { color: var(--amber); }
.story .enemy  { color: var(--red); }
.story .good   { color: var(--green); }
.story .dim    { color: var(--text-dim); }
.story p       { margin: 0 0 10px; }
.story .hr     { color: var(--line); letter-spacing: -2px; overflow: hidden; }

/* ---------- Option buttons ---------- */
.options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 14px 12px;
  border-top: 1px dashed var(--line);
}
.opt-btn {
  text-align: left;
  font-family: var(--mono);
  font-size: .92rem;
  color: var(--green);
  background: transparent;
  border: 1px solid var(--green-dim);
  padding: 6px 10px;
  cursor: pointer;
  transition: all .12s ease;
}
.opt-btn:hover  { background: rgba(51,255,102,.10); box-shadow: var(--glow); border-color: var(--green); }
.opt-btn:active { transform: translateX(2px); }
.opt-btn .num   { color: var(--cyan); margin-right: 8px; }
.opt-btn:disabled { opacity: .35; cursor: not-allowed; }

/* ---------- Map ---------- */
.map-wrap { border-top: 1px solid var(--line); }
.map {
  margin: 0;
  padding: 10px 14px;
  font-size: .82rem;
  line-height: 1.1;
  color: var(--green-dim);
  letter-spacing: 1px;
  overflow-x: auto;
}
.map .here { color: var(--cyan); text-shadow: var(--glow-cyan); }
.map .seen { color: var(--green-dim); }
.map .wall { color: #11253a; }

/* ---------- Combat log ---------- */
.log-wrap { border-top: 1px solid var(--line); }
.log {
  padding: 8px 14px 12px;
  font-size: .85rem;
  max-height: 140px;
  overflow-y: auto;
  color: var(--text-dim);
}
.log .dmg    { color: var(--red); }
.log .heal   { color: var(--green); }
.log .loot   { color: var(--amber); }
.log .level  { color: var(--cyan); }
.log .sys    { color: var(--text-dim); }
.log div     { margin: 1px 0; }

/* ---------- Side panel: stats ---------- */
.side-panel { min-width: 0; }
.stats { padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; }
.stat-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  font-size: .9rem;
  column-gap: 8px;
}
.stat-key { color: var(--cyan-dim); letter-spacing: 1px; }
.stat-val { color: var(--green); text-shadow: 0 0 4px rgba(51,255,102,.35); justify-self: end; }
.bar {
  grid-column: 1 / -1;
  height: 8px;
  background: #0a1828;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.bar-fill { height: 100%; width: 100%; transition: width .3s ease; }
.bar-fill.hp { background: linear-gradient(90deg, var(--green-dim), var(--green)); box-shadow: var(--glow); }
.bar-fill.xp { background: linear-gradient(90deg, var(--cyan-dim), var(--cyan)); box-shadow: var(--glow-cyan); }

/* ---------- Equipped ---------- */
.equipped { padding: 8px 12px; font-size: .85rem; }
.equipped div { display: flex; justify-content: space-between; margin: 2px 0; }
.eq-key { color: var(--cyan-dim); }

/* ---------- Inventory ---------- */
.inventory {
  list-style: none;
  margin: 0;
  padding: 8px 12px 14px;
  font-size: .85rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 60px;
}
.inventory li {
  display: flex;
  justify-content: space-between;
  padding: 3px 6px;
  border-left: 2px solid var(--green-dim);
}
.inventory li .iname { color: var(--green); }
.inventory li .icnt  { color: var(--amber); }
.inventory .empty    { color: var(--text-dim); border-left-color: var(--line); }

/* ---------- Command line ---------- */
.cmdline {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.prompt {
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
  font-size: .9rem;
  white-space: nowrap;
  letter-spacing: 1px;
}
.cmd-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--green);
  font-family: var(--mono);
  font-size: 1rem;
  caret-color: transparent; /* we draw our own cursor */
  text-shadow: 0 0 4px rgba(51,255,102,.4);
}
.cmd-input::placeholder { color: var(--text-dim); opacity: .7; }
.cursor {
  display: inline-block;
  width: 10px;
  height: 1.1em;
  background: var(--green);
  box-shadow: var(--glow);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Scrollbars ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .flicker, .cursor { animation: none; }
}