/* ═══════════════════════════════════════════════
   FRIDAY — IRON MAN HUD DESIGN SYSTEM
   ═══════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #020b18;
  --bg2:         #040f20;
  --bg3:         #071628;
  --panel-bg:    rgba(4, 18, 38, 0.82);
  --border:      rgba(0, 212, 255, 0.18);
  --border-glow: rgba(0, 212, 255, 0.45);
  --cyan:        #00d4ff;
  --cyan-dim:    rgba(0, 212, 255, 0.55);
  --cyan-soft:   rgba(0, 212, 255, 0.12);
  --gold:        #f5a623;
  --gold-dim:    rgba(245, 166, 35, 0.55);
  --gold-soft:   rgba(245, 166, 35, 0.1);
  --red:         #ff3b3b;
  --red-soft:    rgba(255, 59, 59, 0.12);
  --green:       #00ff88;
  --green-soft:  rgba(0, 255, 136, 0.12);
  --purple:      #a855f7;
  --purple-dim:  rgba(168, 85, 247, 0.55);
  --text:        #c8e8f4;
  --text-dim:    rgba(200, 232, 244, 0.5);
  --text-faint:  rgba(200, 232, 244, 0.25);
  --font-hud:    'Rajdhani', sans-serif;
  --font-mono:   'Share Tech Mono', monospace;
  --font-logo:   'Orbitron', sans-serif;
  --radius:      4px;
  --glow-sm:     0 0 8px var(--cyan-dim);
  --glow-md:     0 0 16px var(--cyan-dim), 0 0 32px rgba(0,212,255,0.15);
  --glow-lg:     0 0 24px var(--cyan-dim), 0 0 60px rgba(0,212,255,0.12);
  --glow-gold:   0 0 12px var(--gold-dim), 0 0 28px rgba(245,166,35,0.15);
  --transition:  0.2s ease;
}

html, body {
  width: 100%; height: 100vh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-hud);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 2px; }

/* ── Scanlines ── */
.scanlines {
  position: fixed; inset: 0; z-index: 9;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.06) 2px,
    rgba(0,0,0,0.06) 4px
  );
}

/* ── Hex Grid Background ── */
.hex-grid {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='52' viewBox='0 0 60 52'%3E%3Cpolygon points='30,2 58,17 58,35 30,50 2,35 2,17' fill='none' stroke='%2300d4ff' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 60px 52px;
}

/* ── Corner Decorations ── */
.corner {
  position: fixed; z-index: 10; pointer-events: none;
  width: 40px; height: 40px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0.6;
}
.corner-tl { top: 8px; left: 8px; border-width: 2px 0 0 2px; }
.corner-tr { top: 8px; right: 8px; border-width: 2px 2px 0 0; }
.corner-bl { bottom: 8px; left: 8px; border-width: 0 0 2px 2px; }
.corner-br { bottom: 8px; right: 8px; border-width: 0 2px 2px 0; }

/* ═══════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════ */
.hud-layout {
  position: relative; z-index: 2;
  display: flex; flex-direction: column;
  height: 100vh; width: 100%;
  padding: 12px;
  gap: 8px;
}

/* ── HEADER ── */
.hud-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 20px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-top: 2px solid var(--cyan);
  box-shadow: var(--glow-sm), inset 0 1px 0 rgba(0,212,255,0.08);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  flex-shrink: 0;
}

/* Arc Reactor Logo */
.logo-block { display: flex; align-items: center; gap: 14px; }
.logo-icon { position: relative; }
.arc-reactor {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.arc-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--cyan);
  animation: spin 6s linear infinite;
}
.arc-r1 { width: 42px; height: 42px; opacity: 0.5; animation-duration: 8s; }
.arc-r2 { width: 28px; height: 28px; opacity: 0.8; animation-direction: reverse; animation-duration: 5s; }
.arc-core {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--cyan) 40%, rgba(0,212,255,0.2) 100%);
  box-shadow: 0 0 12px var(--cyan), 0 0 24px var(--cyan), 0 0 48px rgba(0,212,255,0.4);
  animation: pulse-core 2s ease-in-out infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-core {
  0%,100% { box-shadow: 0 0 12px var(--cyan), 0 0 24px var(--cyan); opacity: 1; }
  50% { box-shadow: 0 0 20px var(--cyan), 0 0 40px var(--cyan), 0 0 80px rgba(0,212,255,0.5); opacity: 0.85; }
}

.logo-text { display: flex; flex-direction: column; }
.logo-name {
  font-family: var(--font-logo);
  font-size: 22px; font-weight: 900;
  letter-spacing: 6px;
  color: var(--cyan);
  text-shadow: var(--glow-sm);
  line-height: 1;
}
.logo-sub {
  font-size: 9px; letter-spacing: 2.5px;
  color: var(--text-dim); text-transform: uppercase;
  margin-top: 3px;
}

/* Threat Level */
.threat-level { display: flex; align-items: center; gap: 10px; }
.tl-label { font-size: 9px; letter-spacing: 2px; color: var(--text-dim); }
.tl-bars { display: flex; gap: 3px; align-items: center; }
.tl-bar {
  width: 6px; height: 18px; border-radius: 2px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.2);
}
.tl-bar.active { background: var(--green); border-color: var(--green); box-shadow: 0 0 6px var(--green); }
.tl-status { font-size: 10px; letter-spacing: 2px; color: var(--green); text-shadow: 0 0 8px var(--green); }

/* Status Cluster */
.status-cluster { display: flex; align-items: center; gap: 14px; }
.status-item { display: flex; align-items: center; gap: 6px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.pulse-green { background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse-dot 2.4s ease-in-out infinite; }
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 6px var(--green); }
  50% { box-shadow: 0 0 14px var(--green), 0 0 28px rgba(0,255,136,0.3); }
}
.status-label { font-size: 10px; letter-spacing: 2px; color: var(--green); }

.divider-v { width: 1px; height: 28px; background: var(--border); }

.clock-block { text-align: right; }
.clock-time { font-family: var(--font-mono); font-size: 16px; color: var(--cyan); text-shadow: var(--glow-sm); }
.clock-date { font-size: 9px; letter-spacing: 1.5px; color: var(--text-dim); text-transform: uppercase; }

/* ── BODY ── */
.hud-body {
  display: grid;
  grid-template-columns: 200px 1fr 210px;
  gap: 8px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* ── PANEL BASE ── */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  backdrop-filter: blur(10px);
}
.panel-title {
  font-family: var(--font-logo);
  font-size: 8px;
  letter-spacing: 3px;
  color: var(--cyan);
  text-shadow: var(--glow-sm);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

/* ── LEFT SIDEBAR ── */
.sidebar-left {
  display: flex; flex-direction: column; gap: 8px;
  overflow-y: auto; overflow-x: hidden;
}

/* Vitals */
.vital-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.vital-label { font-size: 9px; letter-spacing: 1.5px; color: var(--text-dim); width: 28px; }
.vital-bar-track {
  flex: 1; height: 5px;
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.12);
  border-radius: 3px; overflow: hidden;
}
.vital-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), rgba(0,212,255,0.6));
  border-radius: 3px;
  box-shadow: 0 0 6px var(--cyan-dim);
  transition: width 1.5s ease;
}
.vital-bar-fill.glow-gold { background: linear-gradient(90deg, var(--gold), rgba(245,166,35,0.6)); box-shadow: 0 0 6px var(--gold-dim); }
.vital-val { font-family: var(--font-mono); font-size: 9px; color: var(--cyan); width: 28px; text-align: right; }

/* Modules */
.module-list { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.module-item { display: flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: 0.5px; color: var(--text-dim); }
.module-item.active { color: var(--text); }
.mod-dot {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
  background: rgba(0,212,255,0.2);
}
.module-item.active .mod-dot { background: var(--cyan); box-shadow: 0 0 6px var(--cyan); animation: pulse-dot 2s ease-in-out infinite; }
.module-item.standby .mod-dot { background: var(--gold); box-shadow: 0 0 4px var(--gold-dim); }

/* Session stats */
.session-stat { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; }
.ss-label { font-size: 10px; color: var(--text-dim); letter-spacing: 0.5px; }
.ss-val { font-family: var(--font-mono); font-size: 11px; color: var(--cyan); }

/* Radar */
.panel-radar { display: flex; flex-direction: column; align-items: center; }
.radar-ring {
  position: relative;
  width: 120px; height: 120px;
  background: rgba(0,212,255,0.03);
  border-radius: 50%;
  border: 1px solid var(--border);
  margin-top: 4px;
}
.radar-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.15);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.rc1 { width: 80%; height: 80%; }
.rc2 { width: 55%; height: 55%; }
.rc3 { width: 28%; height: 28%; }
.radar-sweep {
  position: absolute;
  width: 50%; height: 50%;
  top: 0; left: 50%;
  transform-origin: bottom left;
  background: conic-gradient(from 0deg, transparent 80%, rgba(0,212,255,0.3) 100%);
  animation: sweep 3s linear infinite;
}
@keyframes sweep { to { transform: rotate(360deg); } }
.radar-dot {
  position: absolute;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}
.rd1 { top: 28%; left: 60%; }
.rd2 { top: 58%; left: 30%; }
.rd3 { top: 72%; left: 66%; }

/* ── CHAT AREA ── */
.chat-area {
  display: flex; flex-direction: column;
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  overflow: hidden;
  position: relative;
}
.chat-area::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--gold), var(--cyan), transparent);
  animation: shimmer 3s linear infinite;
}
@keyframes shimmer { 0% { opacity: 0.6; } 50% { opacity: 1; } 100% { opacity: 0.6; } }

.chat-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,212,255,0.03);
  flex-shrink: 0;
}
.ch-label { font-family: var(--font-logo); font-size: 9px; letter-spacing: 3px; color: var(--cyan); display: block; }
.ch-id { font-size: 9px; color: var(--text-faint); letter-spacing: 1px; }
.ch-actions { display: flex; gap: 6px; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

/* ── Messages ── */
.msg {
  display: flex;
  gap: 14px;
  animation: fadeSlideUp 0.3s ease forwards;
  opacity: 0;
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.msg.user { flex-direction: row-reverse; }

.msg-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  font-family: var(--font-logo);
  letter-spacing: 1px;
  flex-shrink: 0;
  color: var(--text-dim);
  background: var(--bg3);
}
.msg.friday .msg-avatar {
  border-color: var(--cyan-dim);
  color: var(--cyan);
  background: rgba(0,212,255,0.05);
  box-shadow: 0 0 10px rgba(0,212,255,0.2);
}
.msg.user .msg-avatar {
  border-color: var(--gold-dim);
  color: var(--gold);
  background: rgba(245,166,35,0.05);
}

.msg-content { max-width: 75%; display: flex; flex-direction: column; gap: 4px; }
.msg.user .msg-content { align-items: flex-end; }

.msg-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 9px; letter-spacing: 1.5px;
}
.msg.user .msg-meta { flex-direction: row-reverse; }
.msg-sender { color: var(--text-dim); text-transform: uppercase; }
.msg.friday .msg-sender { color: var(--cyan); text-shadow: 0 0 6px var(--cyan); }
.msg.user .msg-sender { color: var(--gold); }
.msg-time { color: var(--text-faint); }

.msg-tags { display: flex; gap: 4px; flex-wrap: wrap; }
.msg.user .msg-tags { justify-content: flex-end; }
.msg-tag {
  font-size: 8px; letter-spacing: 1.5px; padding: 1px 6px;
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: 2px; color: var(--cyan-dim);
  background: rgba(0,212,255,0.04);
}

.msg-bubble {
  padding: 10px 14px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg3);
  line-height: 1.65;
  font-size: 13.5px;
  white-space: pre-wrap;
  word-break: break-word;
  position: relative;
}
.msg.friday .msg-bubble {
  border-color: rgba(0,212,255,0.15);
  background: rgba(0,212,255,0.03);
}
.msg.user .msg-bubble {
  border-color: rgba(245,166,35,0.2);
  background: rgba(245,166,35,0.04);
  color: rgba(245,166,35,0.9);
}

/* Inline code rendering */
.msg-bubble code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(0,212,255,0.12);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--cyan);
}
.msg-bubble pre {
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 4px;
  padding: 10px 14px;
  overflow-x: auto;
  margin: 8px 0;
  position: relative;
}
.msg-bubble pre code {
  background: none; border: none; padding: 0;
  font-size: 12px; color: var(--text);
}

/* Typing indicator */
.typing-indicator {
  display: flex; align-items: center; gap: 4px;
  padding: 10px 14px;
}
.typing-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--cyan);
  animation: typing-bounce 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-bounce {
  0%,60%,100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* ── CHAT INPUT ── */
.chat-input-area {
  flex-shrink: 0;
  padding: 10px 14px 12px;
  border-top: 1px solid var(--border);
  background: rgba(0,212,255,0.02);
  display: flex; flex-direction: column; gap: 6px;
}
.input-wrapper {
  display: flex; align-items: flex-end; gap: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0,0,0,0.3);
  padding: 8px 12px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input-wrapper:focus-within {
  border-color: var(--cyan-dim);
  box-shadow: var(--glow-sm);
}
.input-prefix { color: var(--cyan); font-family: var(--font-mono); font-size: 13px; flex-shrink: 0; padding-bottom: 2px; }
.chat-input {
  flex: 1;
  background: none; border: none; outline: none;
  color: var(--text);
  font-family: var(--font-hud);
  font-size: 14px;
  resize: none;
  max-height: 120px;
  overflow-y: auto;
  line-height: 1.5;
}
.chat-input::placeholder { color: var(--text-faint); letter-spacing: 0.5px; }
.input-actions { display: flex; gap: 6px; flex-shrink: 0; }
.send-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--cyan-dim);
  background: rgba(0,212,255,0.08);
  color: var(--cyan);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.send-btn:hover { background: rgba(0,212,255,0.18); box-shadow: var(--glow-sm); transform: scale(1.05); }
.send-btn:active { transform: scale(0.96); }

.input-footer { display: flex; justify-content: space-between; align-items: center; }
.if-hint { font-size: 9px; color: var(--text-faint); letter-spacing: 1px; }
.if-model { font-family: var(--font-logo); font-size: 8px; letter-spacing: 2px; color: var(--gold); opacity: 0.7; }

/* ── RIGHT SIDEBAR ── */
.sidebar-right {
  display: flex; flex-direction: column; gap: 8px;
  overflow-y: auto;
}

/* Op Log */
.ops-list { display: flex; flex-direction: column; gap: 5px; max-height: 140px; overflow-y: auto; }
.op-item { display: flex; gap: 8px; font-size: 10px; }
.op-time { font-family: var(--font-mono); color: var(--cyan-dim); flex-shrink: 0; }
.op-text { color: var(--text-dim); }

/* Quick Buttons */
.quick-btns { display: flex; flex-direction: column; gap: 5px; }
.quick-btn {
  background: rgba(0,212,255,0.04);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-family: var(--font-hud);
  font-size: 11px;
  letter-spacing: 0.5px;
  padding: 6px 10px;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
}
.quick-btn:hover {
  background: rgba(0,212,255,0.1);
  border-color: var(--cyan-dim);
  color: var(--cyan);
  box-shadow: var(--glow-sm);
  transform: translateX(2px);
}

/* Response Tags */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 5px; }
.rtag {
  font-size: 9px; letter-spacing: 1.5px;
  padding: 3px 8px;
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 2px;
  color: var(--text-dim);
  background: rgba(0,212,255,0.03);
  cursor: default;
  transition: all var(--transition);
}
.rtag em { font-style: normal; color: var(--cyan); margin-left: 4px; }
.rtag.lit { border-color: var(--cyan-dim); color: var(--text); background: rgba(0,212,255,0.08); box-shadow: 0 0 5px rgba(0,212,255,0.15); }

/* ── Knowledge Panel ── */
.knowledge-list { display: flex; flex-direction: column; gap: 8px; max-height: 250px; overflow-y: auto; }
.k-item {
  border: 1px solid rgba(0,212,255,0.1);
  background: rgba(0,0,0,0.2);
  border-radius: 4px; padding: 8px;
  cursor: pointer; transition: all 0.2s ease;
}
.k-item:hover { border-color: var(--cyan-dim); background: rgba(0,212,255,0.05); }
.k-title { font-size: 11px; color: var(--cyan); letter-spacing: 1px; margin-bottom: 2px; text-transform: uppercase; }
.k-val { font-size: 10px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k-cat { 
  display: inline-block; font-size: 8px; padding: 0 4px; 
  border: 1px solid var(--gold-dim); color: var(--gold); 
  border-radius: 2px; margin-top: 4px;
}
.empty-knowledge { font-size: 10px; color: var(--text-faint); text-align: center; padding: 20px 0; }

/* ── Operation Console ── */
.op-console-msg {
  border: 1px dashed var(--cyan-dim);
  background: rgba(0,212,255,0.02);
  padding: 8px 12px; border-radius: 4px; margin: 5px 0;
  font-family: var(--font-mono); font-size: 11px; color: var(--cyan-dim);
}
.op-step { margin-bottom: 4px; }
.op-step.success { color: var(--green); }
.op-step.executing { animation: pulse-opacity 1s ease-in-out infinite; }
@keyframes pulse-opacity { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ── Claude Theme Toggle ── */
.claude-mode { --cyan: var(--purple); --cyan-dim: var(--purple-dim); --cyan-soft: rgba(168, 85, 247, 0.12); }

/* ── ATTACHMENTS ── */
.attachment-tray {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 0 10px 8px 30px;
}
.file-pill {
  display: flex; align-items: center; gap: 6px;
  background: rgba(0,212,255,0.1); border: 1px solid var(--cyan-dim);
  border-radius: 4px; padding: 4px 8px; font-size: 10px; color: var(--text);
  animation: slide-up 0.3s ease-out;
}
.file-pill .remove-file { 
  cursor: pointer; color: var(--red); font-weight: bold; font-size: 12px; margin-left: 4px;
  transition: opacity 0.2s;
}
.file-pill .remove-file:hover { opacity: 0.7; }

.attach-btn {
  background: none; border: none; color: var(--cyan-faint); cursor: pointer;
  padding: 0 10px; transition: color 0.2s, transform 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.attach-btn:hover { color: var(--cyan); transform: scale(1.1); }
.attach-btn.has-files { color: var(--gold); filter: drop-shadow(0 0 5px var(--gold)); }

@keyframes slide-up { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* ── SHARED BUTTONS ── */
.hud-btn {
  background: rgba(0,212,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  cursor: pointer;
  padding: 6px 10px;
  font-family: var(--font-hud);
  font-size: 12px;
  letter-spacing: 0.5px;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.hud-btn:hover { border-color: var(--cyan-dim); color: var(--cyan); background: rgba(0,212,255,0.1); box-shadow: var(--glow-sm); }

.hud-btn-sm {
  background: rgba(0,212,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  cursor: pointer;
  padding: 3px 8px;
  font-family: var(--font-logo);
  font-size: 8px;
  letter-spacing: 2px;
  transition: all var(--transition);
}
.hud-btn-sm:hover { border-color: var(--cyan-dim); color: var(--cyan); }

/* ═══════════════════════════════════════════════
   SETTINGS MODAL
   ═══════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(2, 11, 24, 0.88);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--bg3);
  border: 1px solid var(--border-glow);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  box-shadow: var(--glow-md);
  width: 420px;
  transform: scale(0.96);
  transition: transform 0.25s ease;
}
.modal-overlay.open .modal-box { transform: scale(1); }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-family: var(--font-logo); font-size: 11px; letter-spacing: 3px; color: var(--cyan); text-shadow: var(--glow-sm); }
.modal-close {
  background: none; border: none; color: var(--text-dim); cursor: pointer;
  font-size: 16px; transition: color var(--transition);
}
.modal-close:hover { color: var(--red); }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 18px; }
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 9px; letter-spacing: 2px; color: var(--cyan-dim); text-transform: uppercase; }
.field-row { display: flex; gap: 6px; }
.field-input {
  flex: 1; background: rgba(0,0,0,0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 12px;
  outline: none;
  transition: border-color var(--transition);
}
.field-input:focus { border-color: var(--cyan-dim); box-shadow: var(--glow-sm); }
.field-select { cursor: pointer; appearance: none; }
.field-select option { background: var(--bg3); }
.field-hint { font-size: 10px; color: var(--text-faint); }
.field-hint a { color: var(--cyan-dim); }

.modal-actions { display: flex; gap: 10px; margin-top: 4px; }
.modal-save-btn {
  flex: 1; padding: 10px;
  background: rgba(0,212,255,0.1);
  border: 1px solid var(--cyan-dim);
  border-radius: var(--radius);
  color: var(--cyan);
  font-family: var(--font-logo);
  font-size: 10px; letter-spacing: 3px;
  cursor: pointer;
  transition: all var(--transition);
}
.modal-save-btn:hover { background: rgba(0,212,255,0.2); box-shadow: var(--glow-sm); }
.modal-cancel-btn {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-family: var(--font-logo);
  font-size: 10px; letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition);
}
.modal-cancel-btn:hover { border-color: var(--red); color: var(--red); }

/* ── Notification Toast ── */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px);
  z-index: 200;
  background: var(--bg3); border: 1px solid var(--cyan-dim);
  border-radius: var(--radius); padding: 10px 22px;
  font-size: 11px; letter-spacing: 1.5px; color: var(--cyan);
  box-shadow: var(--glow-sm);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--red); color: var(--red); }

/* ── Responsive guards ── */
@media (max-width: 900px) {
  .hud-body { grid-template-columns: 1fr; overflow-y: auto; }
  .sidebar-left, .sidebar-right { display: none; }
}