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

:root {
  --bg:        #080808;
  --bg1:       #0a0a0a;
  --bg2:       #0d0d0d;
  --bg3:       #111111;
  --border:    #1a1a1a;
  --border2:   #222222;
  --border3:   #2e2e2e;
  --text-dim:  #2a2a2a;
  --text-low:  #3a3a3a;
  --text-mid:  #555555;
  --text-hi:   #888888;
  --text-bright: #aaaaaa;
  --text-max:  #cccccc;
  --glow:      rgba(160,160,160,0.12);
  --font-ui:   'Rajdhani', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

html, body {
  width: 100%; height: 100%;
  background: var(--bg);
  color: #fff;
  font-family: var(--font-ui);
  overflow: hidden;
}

/* ─── BOOT SEQUENCE ─────────────────────────────────────────── */
#boot {
  position: fixed; inset: 0;
  background: #050505;
  z-index: 1000;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 20px;
  transition: opacity 0.9s ease;
}
#boot.fade-out { opacity: 0; pointer-events: none; }

.boot-logo {
  font-family: var(--font-ui);
  font-size: 18px; font-weight: 300;
  letter-spacing: 12px;
  color: var(--text-mid);
  margin-bottom: 8px;
}

#boot-lines {
  display: flex; flex-direction: column;
  gap: 4px; min-height: 130px;
  width: 320px;
}

.boot-line {
  font-family: var(--font-mono);
  font-size: 10px; color: var(--text-low);
  letter-spacing: 2px;
  opacity: 0;
  animation: fadeIn 0.25s forwards;
}
.boot-line.ok { color: var(--text-hi); }
@keyframes fadeIn { to { opacity: 1; } }

.boot-bar-wrap {
  width: 320px; height: 1px;
  background: var(--border);
  position: relative; overflow: hidden;
}
.boot-bar-fill {
  position: absolute; left: 0; top: 0;
  height: 100%; background: var(--text-hi);
  width: 0; transition: width 2.8s ease;
}
.boot-status-text {
  font-family: var(--font-mono);
  font-size: 8px; color: var(--text-low);
  letter-spacing: 3px;
}

/* ─── API OVERLAY ─────────────────────────────────────────────── */
#api-overlay {
  position: fixed; inset: 0;
  background: rgba(4,4,4,0.97);
  z-index: 999;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 14px;
  transition: opacity 0.6s;
}
#api-overlay.hidden { opacity: 0; pointer-events: none; }

.overlay-logo {
  font-size: 20px; font-weight: 300;
  letter-spacing: 12px; color: var(--text-hi);
}
.overlay-sub {
  font-family: var(--font-mono);
  font-size: 8px; color: var(--text-low);
  letter-spacing: 3px;
}
.overlay-divider {
  width: 200px; height: 1px;
  background: var(--border2);
  margin: 4px 0;
}
.overlay-instruction {
  font-family: var(--font-mono);
  font-size: 9px; color: var(--text-mid);
  letter-spacing: 2px;
}
#overlay-key-input {
  width: 320px; padding: 12px 16px;
  background: var(--bg2);
  border: 0.5px solid var(--border2);
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 2px;
  border-radius: 2px; outline: none;
}
#overlay-key-input:focus { border-color: var(--border3); }
#overlay-key-input::placeholder { color: var(--text-dim); }
.overlay-btn {
  background: var(--bg3);
  border: 0.5px solid var(--border3);
  color: var(--text-hi);
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 3px;
  padding: 10px 28px;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.2s;
}
.overlay-btn:hover { background: #181818; color: var(--text-max); border-color: #444; }
.overlay-note {
  font-family: var(--font-mono);
  font-size: 8px; color: var(--text-dim);
  letter-spacing: 1px; text-align: center;
  line-height: 1.9; margin-top: 6px;
}

/* ─── APP GRID ────────────────────────────────────────────────── */
#app {
  width: 100%; height: 100vh;
  display: grid;
  grid-template-columns: 230px 1fr 210px;
  grid-template-rows: 46px 1fr 112px;
  position: relative;
}

/* ─── TOP BAR ─────────────────────────────────────────────────── */
#topbar {
  grid-column: 1 / -1; grid-row: 1;
  display: flex; align-items: center;
  padding: 0 20px; gap: 16px;
  border-bottom: 0.5px solid var(--border);
  background: var(--bg1);
  z-index: 10;
}
.logo-mark {
  font-size: 12px; font-weight: 500;
  letter-spacing: 7px; color: var(--text-bright);
}
.logo-sub {
  font-family: var(--font-mono);
  font-size: 7px; color: var(--text-dim);
  letter-spacing: 2px;
}
.sys-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 8px; color: var(--text-low);
  letter-spacing: 2px;
  display: flex; gap: 18px; align-items: center;
}
.dot {
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--border2);
  margin-right: 5px;
  vertical-align: middle;
  transition: all 0.4s;
}
.dot.on { background: var(--text-hi); box-shadow: 0 0 5px var(--text-hi); }
#clock { color: var(--text-low); min-width: 70px; text-align: right; }

/* ─── LEFT PANEL ──────────────────────────────────────────────── */
#left-panel {
  grid-column: 1; grid-row: 2;
  border-right: 0.5px solid var(--border);
  display: flex; flex-direction: column;
  background: var(--bg1);
  overflow: hidden;
}

.panel-header {
  font-family: var(--font-mono);
  font-size: 7px; color: var(--text-low);
  letter-spacing: 3px; padding: 12px 14px 10px;
  border-bottom: 0.5px solid var(--border);
  flex-shrink: 0;
}

#chat-history {
  flex: 1; overflow-y: auto;
  padding: 10px; display: flex;
  flex-direction: column; gap: 7px;
}
#chat-history::-webkit-scrollbar { width: 2px; }
#chat-history::-webkit-scrollbar-thumb { background: var(--border2); }

.msg {
  padding: 8px 10px; border-radius: 2px;
  font-size: 10px; line-height: 1.55;
  animation: msgIn 0.25s ease;
  max-width: 97%;
}
@keyframes msgIn { from { opacity: 0; transform: translateX(-5px); } to { opacity: 1; } }

.msg.user {
  background: var(--bg2);
  border-left: 1px solid var(--border3);
  color: var(--text-bright);
  align-self: flex-end;
  text-align: right;
}
.msg.ai {
  background: #0b0b0b;
  border-left: 1px solid var(--border2);
  color: var(--text-mid);
  font-family: var(--font-mono);
  font-size: 9px;
}
.msg-label {
  font-size: 7px; letter-spacing: 2px;
  margin-bottom: 3px; color: var(--text-low);
}

#typing-indicator {
  display: none; align-items: center; gap: 5px;
  padding: 7px 10px;
  background: #0b0b0b;
  border-left: 1px solid var(--border2);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 8px; color: var(--text-low);
  letter-spacing: 2px;
}
#typing-indicator.show { display: flex; }
.typing-dot {
  width: 3px; height: 3px;
  background: var(--text-mid);
  border-radius: 50%;
  animation: typingBounce 1.2s ease infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
  0%, 80%, 100% { opacity: 0.3; transform: scale(1); }
  40% { opacity: 1; transform: scale(1.4); }
}

/* ─── CENTER ──────────────────────────────────────────────────── */
#center {
  grid-column: 2; grid-row: 2;
  position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: var(--bg);
}
#sphere-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
#scanlines {
  position: absolute; inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.07) 2px, rgba(0,0,0,0.07) 4px
  );
  z-index: 2;
}
.state-label {
  position: absolute; bottom: 52px;
  font-family: var(--font-mono);
  font-size: 8px; letter-spacing: 5px;
  color: var(--text-dim);
  text-transform: uppercase;
  transition: color 0.5s;
  z-index: 3;
}
.state-label.active { color: var(--text-mid); }

/* ─── RIGHT PANEL ─────────────────────────────────────────────── */
#right-panel {
  grid-column: 3; grid-row: 2;
  border-left: 0.5px solid var(--border);
  display: flex; flex-direction: column;
  background: var(--bg1);
  font-family: var(--font-mono);
  overflow: hidden;
}
.info-block {
  padding: 12px 13px;
  border-bottom: 0.5px solid var(--border);
}
.info-block.flex-grow { flex: 1; overflow: hidden; }
.info-label {
  font-size: 7px; letter-spacing: 3px;
  color: var(--text-dim);
  margin-bottom: 7px; text-transform: uppercase;
}
.info-value {
  font-size: 9px; color: var(--text-mid);
  line-height: 2;
}
.info-value span { color: var(--text-hi); }

.meter {
  height: 1px; background: var(--border);
  margin-top: 6px; overflow: hidden;
}
.meter-fill {
  height: 100%; background: var(--text-mid);
  transition: width 0.3s ease;
}

.capabilities-list {
  display: flex; flex-direction: column;
  gap: 1px; font-size: 7px;
  color: var(--text-dim); letter-spacing: 2px;
  line-height: 2.4;
}

#model-select {
  background: var(--bg2); border: 0.5px solid var(--border2);
  color: var(--text-mid); font-family: var(--font-mono);
  font-size: 8px; padding: 5px 6px;
  border-radius: 2px; width: 100%;
  letter-spacing: 1px; outline: none;
  cursor: pointer;
}
#model-select option { background: var(--bg3); }
#model-select:focus { border-color: var(--border3); }

#api-input {
  background: var(--bg2); border: 0.5px solid var(--border2);
  color: var(--text-hi); font-family: var(--font-mono);
  font-size: 8px; padding: 5px 7px;
  border-radius: 2px; width: 100%;
  letter-spacing: 1px; outline: none;
}
#api-input:focus { border-color: var(--border3); }
#api-input::placeholder { color: var(--text-dim); }

/* ─── BOTTOM BAR ──────────────────────────────────────────────── */
#bottom {
  grid-column: 1 / -1; grid-row: 3;
  display: flex; align-items: center;
  gap: 10px; padding: 0 20px;
  border-top: 0.5px solid var(--border);
  background: var(--bg1);
}

#voice-btn {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg2);
  border: 0.5px solid var(--border2);
  cursor: pointer; color: var(--text-mid);
  transition: all 0.3s; flex-shrink: 0;
}
#voice-btn svg { width: 15px; height: 15px; }
#voice-btn:hover { border-color: var(--border3); color: var(--text-hi); }
#voice-btn.listening {
  border-color: var(--text-mid);
  color: var(--text-bright);
  box-shadow: 0 0 18px rgba(140,140,140,0.18), 0 0 36px rgba(100,100,100,0.08);
  animation: voicePulse 1.5s ease infinite;
}
@keyframes voicePulse {
  0%, 100% { box-shadow: 0 0 18px rgba(140,140,140,0.18); }
  50%       { box-shadow: 0 0 28px rgba(170,170,170,0.28); }
}

#text-input {
  flex: 1; background: var(--bg2);
  border: 0.5px solid var(--border2);
  color: var(--text-bright);
  font-family: var(--font-ui);
  font-size: 13px; letter-spacing: 1px;
  padding: 10px 14px; border-radius: 2px;
  outline: none; transition: border-color 0.3s;
}
#text-input:focus { border-color: var(--border3); }
#text-input::placeholder { color: var(--text-dim); font-size: 10px; letter-spacing: 3px; }

.btn {
  background: var(--bg2);
  border: 0.5px solid var(--border2);
  color: var(--text-mid);
  font-family: var(--font-mono);
  font-size: 8px; padding: 8px 14px;
  border-radius: 2px; cursor: pointer;
  letter-spacing: 2px; text-transform: uppercase;
  transition: all 0.2s; white-space: nowrap;
}
.btn:hover { background: var(--bg3); color: var(--text-hi); border-color: var(--border3); }
.btn.active { background: #161616; color: var(--text-bright); border-color: #444; }
.btn.danger { border-color: #1e1212; color: #4a3030; }
.btn.danger:hover { background: #130c0c; color: #7a5050; border-color: #3a2020; }

/* ─── BACKGROUND CANVAS ───────────────────────────────────────── */
#bg-canvas {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
}

/* ─── SCROLLBAR ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 2px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 1px; }