/* ============================================================
   terminal.css — Overseer Terminal (Fallout‑Authentic Edition)
   Full Pocket-Boy CRT: bezel, scanlines, phosphor glow, message bubbles
   ============================================================ */

:root {
  --bg:            #000;
  --bg-deep:       #020602;
  --text:          #00ff66;
  --text-bright:   #00ff88;
  --text-dim:      #00aa44;
  --text-muted:    #007733;
  --accent:        #00ffaa;
  --accent-soft:   #004422;
  --player-color:  #ffcc00;
  --panel:         rgba(0, 18, 6, 0.92);
  --panel-border:  #00ff66;
  --gold:          #ffcc00;
  --focus:         rgba(0, 255, 102, 0.1);
  --radius:        6px;
  --font:          'VT323', monospace;
  --scanline-gap:  3px;
}

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

/* ── Page base ─────────────────────────────────────────────── */
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Full-viewport CRT phosphor bloom */
body::before {
  content: "";
  position: fixed;
  inset: -20%;
  background: radial-gradient(
    ellipse at 50% 40%,
    rgba(0, 255, 102, 0.12) 0%,
    rgba(0, 255, 102, 0.04) 45%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
  animation: bloom-breathe 6s ease-in-out infinite;
}

@keyframes bloom-breathe {
  0%, 100% { opacity: 0.8; }
  50%       { opacity: 1;   }
}

/* Persistent scanline overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.15) 0px,
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent var(--scanline-gap)
  );
  pointer-events: none;
  z-index: 9999;
  animation: scanline-drift 12s linear infinite;
}

@keyframes scanline-drift {
  from { transform: translateY(0); }
  to   { transform: translateY(var(--scanline-gap)); }
}

/* ── CRT bezel wrapper ─────────────────────────────────────── */
.terminal-wrap {
  flex: 1;
  margin: 14px;
  padding: 20px 18px 12px;
  display: flex;
  flex-direction: column;
  gap: 0;

  background: var(--panel);
  border: 2px solid var(--panel-border);
  border-radius: 10px;
  box-shadow:
    0 0 0 6px #020902,
    0 0 0 8px #0a1a0a,
    0 0 40px rgba(0, 255, 102, 0.35),
    inset 0 0 30px rgba(0, 255, 102, 0.04);
  position: relative;
  overflow: hidden;
  z-index: 1;

  animation: crt-flicker 5s infinite steps(1);
}

/* Inner scanline set (tighter inside the panel) */
.terminal-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 255, 102, 0.03) 0px,
    rgba(0, 255, 102, 0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 2;
}

/* Vignette corners */
.terminal-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0, 0, 0, 0.6) 100%
  );
  z-index: 3;
}

/* ── Header ────────────────────────────────────────────────── */
.terminal-header {
  text-align: center;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--text-muted);
  font-size: clamp(18px, 4vw, 28px);
  letter-spacing: 3px;
  color: var(--text-bright);
  text-shadow:
    0 0 6px rgba(0, 255, 102, 0.8),
    0 0 16px rgba(0, 255, 102, 0.4);
  position: relative;
  z-index: 4;
  flex-shrink: 0;
}

/* Vault-Tec corner brackets on header */
.terminal-header::before,
.terminal-header::after {
  content: "◤";
  color: var(--gold);
  font-size: 14px;
  opacity: 0.6;
  position: absolute;
  top: 2px;
}
.terminal-header::before { left: 0; }
.terminal-header::after  { right: 0; transform: scaleX(-1); }

/* ── System info line ──────────────────────────────────────── */
.terminal-output.terminal-system {
  color: var(--text-muted);
  font-size: 0.85em;
  border-left: 2px solid var(--text-muted);
  padding-left: 8px;
  opacity: 0.75;
  flex-shrink: 0;
  position: relative;
  z-index: 4;
}

/* ── Chat / log area ───────────────────────────────────────── */
#chat {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  z-index: 4;
}

/* Message bubbles */
.message {
  max-width: 90%;
  padding: 6px 12px;
  border-radius: 4px;
  line-height: 1.45;
  word-break: break-word;
  font-size: clamp(16px, 2.5vw, 20px);
}

/* Player messages — gold, right-aligned */
.message.player {
  align-self: flex-end;
  background: rgba(255, 204, 0, 0.08);
  border: 1px solid rgba(255, 204, 0, 0.4);
  color: var(--player-color);
  text-shadow: 0 0 6px rgba(255, 204, 0, 0.5);
}

/* Overseer messages — green, left-aligned */
.message.overseer {
  align-self: flex-start;
  background: rgba(0, 255, 102, 0.05);
  border: 1px solid rgba(0, 255, 102, 0.25);
  color: var(--text-bright);
  text-shadow: 0 0 6px rgba(0, 255, 102, 0.5);
}

/* System messages (game events) */
.message.system {
  align-self: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8em;
  opacity: 0.7;
}

/* ── Output (non-chat) ─────────────────────────────────────── */
.terminal-output {
  white-space: pre-wrap;
  margin-bottom: 14px;
  color: var(--text);
  text-shadow: 0 0 4px rgba(0, 255, 102, 0.4);
  position: relative;
  z-index: 4;
}

/* ── Input row ─────────────────────────────────────────────── */
.terminal-input-line {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--text-muted);
  flex-shrink: 0;
  position: relative;
  z-index: 4;
}

.terminal-prompt {
  color: var(--accent);
  text-shadow: 0 0 6px rgba(0, 255, 170, 0.7);
  flex-shrink: 0;
  user-select: none;
}

.terminal-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-bright);
  font-family: var(--font);
  font-size: clamp(16px, 2.5vw, 20px);
  padding: 4px 6px;
  caret-color: var(--text-bright);
  text-shadow: 0 0 5px rgba(0, 255, 102, 0.6);
}

.terminal-input::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

.terminal-input:focus {
  background: var(--focus);
  border-radius: 3px;
}

/* ── Buttons ───────────────────────────────────────────────── */
.terminal-button {
  padding: 7px 14px;
  margin-top: 0;
  background: transparent;
  border: 1px solid var(--text-dim);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: clamp(15px, 2vw, 18px);
  border-radius: var(--radius);
  cursor: pointer;
  text-shadow: 0 0 4px rgba(0, 255, 102, 0.3);
  transition: all 0.15s ease;
  letter-spacing: 1px;
}

.terminal-button:hover {
  background: rgba(0, 255, 102, 0.12);
  border-color: var(--text-bright);
  color: var(--text-bright);
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.4);
}

.terminal-button:active {
  transform: scale(0.97);
}

/* SEND button — highlighted */
#send {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 8px rgba(0, 255, 170, 0.3);
}

#send:hover {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 16px rgba(0, 255, 170, 0.6);
}

/* ── Scrollbar ─────────────────────────────────────────────── */
#chat::-webkit-scrollbar { width: 6px; }
#chat::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}
#chat::-webkit-scrollbar-track { background: transparent; }

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .terminal-wrap {
    margin: 4px;
    padding: 10px 10px 6px;
    /* Allow natural height so keyboard doesn't crush layout */
    min-height: 0;
  }
  .terminal-header { font-size: 16px; letter-spacing: 1px; }
  .terminal-button { font-size: 16px; padding: 10px 14px; }

  /* Larger send button for thumb-friendly tapping */
  #send { min-width: 64px; min-height: 44px; }

  /* Bigger input tap target */
  .terminal-input { font-size: 18px; padding: 8px 6px; min-height: 44px; }

  /* Chat: enable momentum scroll on iOS */
  #chat {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  /* Tighter message bubbles on small screens */
  .message { max-width: 95%; font-size: 17px; }
}

/* Safe area insets for notched/home-bar devices */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .terminal-input-line {
    padding-bottom: max(10px, env(safe-area-inset-bottom));
  }
}

/* ── Typing indicator ──────────────────────────────────────── */
.typing-indicator {
  opacity: 0.7;
  letter-spacing: 2px;
}
.typing-dot {
  display: inline-block;
  transition: opacity 0.2s;
}

/* ── CRT flicker ───────────────────────────────────────────── */
@keyframes crt-flicker {
  0%   { opacity: 1; }
  96%  { opacity: 1; }
  97%  { opacity: 0.94; }
  98%  { opacity: 1; }
  99%  { opacity: 0.91; }
  100% { opacity: 1; }
}

/* ── Accessibility ─────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}