/* Theme: Feed (default) — SecUnit phosphor HUD */
:root,
[data-theme="feed"] {
  --void: #050807;
  --bg: #070b0a;
  --panel: #0c1412;
  --panel-2: #101a17;
  --border: #1e3a32;
  --border-bright: #2a5c4e;
  --text: #d7ebe3;
  --muted: #7a9a8e;
  --accent: #3dffa8;
  --accent-dim: #1a6b4a;
  --warn: #ffb020;
  --danger: #ff5a4a;
  --bot: #0f1c18;
  --human: #12261f;
  --glow: 0 0 24px #3dffa833;
  --app-bg: #070c0acc;
  --header-grad: linear-gradient(180deg, #101a17, #0a1210);
  --composer-bg: #0a1210;
  --bg-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, #134e3a44, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 100%, #3dffa80a, transparent 45%),
    linear-gradient(180deg, #0a1210 0%, var(--void) 100%);
  --scan-opacity: 0.07;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --shell-pad: 0.55rem;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --display: "Oxanium", "IBM Plex Mono", sans-serif;
}

/* Theme: Company — cold corporate console */
[data-theme="company"] {
  --void: #06080c;
  --bg: #0a0e14;
  --panel: #10161f;
  --panel-2: #141c28;
  --border: #2a3548;
  --border-bright: #3d4f6a;
  --text: #e2e8f0;
  --muted: #8494ab;
  --accent: #5eb1ff;
  --accent-dim: #1e4a7a;
  --warn: #f0c674;
  --danger: #ff6b7a;
  --bot: #121a26;
  --human: #152030;
  --glow: 0 0 24px #5eb1ff33;
  --app-bg: #0a1018cc;
  --header-grad: linear-gradient(180deg, #141c28, #0a1018);
  --composer-bg: #0c121a;
  --bg-image:
    radial-gradient(ellipse 70% 45% at 20% 0%, #1e3a5c55, transparent 50%),
    radial-gradient(ellipse 50% 40% at 100% 100%, #5eb1ff0d, transparent 45%),
    linear-gradient(180deg, #0c121a 0%, var(--void) 100%);
  --scan-opacity: 0.05;
}

/* Theme: Sanctuary Moon — warm serial CRT */
[data-theme="moon"] {
  --void: #0c0805;
  --bg: #120e0a;
  --panel: #1a1410;
  --panel-2: #221a14;
  --border: #4a3524;
  --border-bright: #7a5535;
  --text: #f3e6d4;
  --muted: #a89078;
  --accent: #ff9f43;
  --accent-dim: #8a4a18;
  --warn: #ffd180;
  --danger: #ff7043;
  --bot: #1c1510;
  --human: #261c14;
  --glow: 0 0 28px #ff9f4333;
  --app-bg: #140f0bcc;
  --header-grad: linear-gradient(180deg, #221a14, #120e0a);
  --composer-bg: #160f0b;
  --bg-image:
    radial-gradient(ellipse 80% 50% at 50% -5%, #8a4a1844, transparent 55%),
    radial-gradient(ellipse 55% 40% at 0% 100%, #ff9f4312, transparent 50%),
    linear-gradient(180deg, #1a120c 0%, var(--void) 100%);
  --scan-opacity: 0.1;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--mono);
}

body {
  background: var(--bg-image);
  background-color: var(--bg);
  padding:
    calc(var(--shell-pad) + var(--safe-top))
    var(--shell-pad)
    calc(var(--shell-pad) + var(--safe-bottom));
  min-height: 100%;
  min-height: 100dvh;
  box-sizing: border-box;
}

.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: var(--scan-opacity);
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    #000 3px
  );
}

.vignette {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  background: radial-gradient(ellipse at center, transparent 40%, #00000088 100%);
}

.hidden { display: none !important; }

.theme-switch {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.theme-switch button {
  font: inherit;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28rem 0.45rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.theme-switch button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--glow);
}
.theme-switch button:hover {
  color: var(--text);
  border-color: var(--border-bright);
}

.gate {
  position: relative;
  z-index: 1;
  min-height: calc(100dvh - 2 * var(--shell-pad) - var(--safe-top) - var(--safe-bottom));
  display: grid;
  place-items: center;
  padding: 0.5rem;
}

.hud-frame {
  width: min(100%, 26rem);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border-bright);
  box-shadow: var(--glow), inset 0 0 0 1px #ffffff08;
  clip-path: polygon(
    0 12px, 12px 0, calc(100% - 12px) 0, 100% 12px,
    100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px)
  );
}

.hud-meta, .hud-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: color-mix(in srgb, var(--void) 80%, black);
  border-bottom: 1px solid var(--border);
}
.hud-foot {
  border-bottom: 0;
  border-top: 1px solid var(--border);
}

.blink {
  color: var(--danger);
  animation: pulse 1.4s steps(2, end) infinite;
}
@keyframes pulse {
  50% { opacity: 0.25; }
}

.login {
  padding: 1.35rem 1.15rem 1.2rem;
  display: grid;
  gap: 0.85rem;
}

.eyebrow {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.login h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  text-shadow: 0 0 18px color-mix(in srgb, var(--accent) 40%, transparent);
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.field {
  display: grid;
  gap: 0.35rem;
}
.field span {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.login input, .composer textarea, .login button, .composer button, .ghost {
  font: inherit;
  border-radius: 0;
  border: 1px solid var(--border-bright);
  background: color-mix(in srgb, var(--void) 90%, black);
  color: var(--text);
  padding: 0.75rem 0.85rem;
}

.login input:focus, .composer textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-dim), var(--glow);
}

.login button, .composer button {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--accent) 55%, #000),
    color-mix(in srgb, var(--accent-dim) 80%, #000)
  );
  color: #04150e;
  border-color: var(--accent);
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}
[data-theme="company"] .login button,
[data-theme="company"] .composer button {
  color: #061018;
}
[data-theme="moon"] .login button,
[data-theme="moon"] .composer button {
  color: #1a0c04;
}
.login button:hover, .composer button:hover {
  filter: brightness(1.08);
}

.ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
  cursor: pointer;
  padding: 0.4rem 0.65rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ghost:hover { color: var(--danger); border-color: var(--danger); }

.denied {
  border: 1px solid var(--danger);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  padding: 0.75rem 0.8rem;
  box-shadow: 0 0 20px color-mix(in srgb, var(--danger) 15%, transparent);
}
.denied-tag {
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--danger);
  margin-bottom: 0.4rem;
}
.denied p {
  margin: 0;
  color: color-mix(in srgb, var(--danger) 35%, var(--text));
  font-size: 0.88rem;
  line-height: 1.45;
}

.app {
  position: relative;
  z-index: 1;
  height: calc(100dvh - 2 * var(--shell-pad) - var(--safe-top) - var(--safe-bottom));
  max-width: 44rem;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto 1fr auto;
  border: 1px solid var(--border-bright);
  background: var(--app-bg);
  box-shadow: var(--glow), inset 0 0 0 1px #ffffff06;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-bright);
  background: var(--header-grad);
}

.id-block {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  min-width: 0;
}
.mark {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: var(--glow);
  flex-shrink: 0;
}
.top strong {
  display: block;
  font-family: var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.top .sub {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.pill {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 0.3rem 0.45rem;
}

.log {
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.bubble {
  max-width: 92%;
  padding: 0.7rem 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid var(--border);
  position: relative;
}
.bubble.bot {
  align-self: flex-start;
  background: var(--bot);
  border-color: var(--border-bright);
  border-left: 2px solid var(--accent);
}
.bubble.bot::before {
  content: "SECUNIT";
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.bubble.human {
  align-self: flex-end;
  background: var(--human);
  border-color: color-mix(in srgb, var(--warn) 35%, var(--border));
  border-right: 2px solid var(--warn);
}
.bubble.human::before {
  content: attr(data-label);
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--warn);
  margin-bottom: 0.35rem;
  text-align: right;
  text-transform: uppercase;
}
.bubble.system {
  align-self: center;
  background: transparent;
  color: var(--muted);
  border-style: dashed;
  font-size: 0.78rem;
  text-align: center;
  max-width: 100%;
}
.bubble.pending { opacity: 0.65; }

.composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-bright);
  background: var(--composer-bg);
}
.composer textarea {
  resize: none;
  max-height: 8rem;
  min-height: 2.75rem;
}
.composer button {
  min-width: 4.5rem;
}

.gate-themes {
  margin-top: 0.25rem;
}

@media (max-width: 480px) {
  .pill { display: none; }
  .theme-switch button { font-size: 0.58rem; padding: 0.22rem 0.35rem; }
}