/* ============================================================
   A.S.T.R.A — Advanced Secure Tactical Responsive Assistant
   Sci-fi HUD / JARVIS theme. Restyle everything from :root.
   ============================================================ */
:root {
  --bg:            #03060e;
  --bg-elev:       #07121f;   /* panels */
  --bg-elev-2:     #0a1a30;
  --sidebar:       #050b16;
  --border:        rgba(33,212,253,.20);
  --border-strong: rgba(33,212,253,.55);
  --text:          #d6ecf7;
  --text-dim:      #82abc6;
  --text-faint:    #547a93;
  --cyan:          #21d4fd;
  --cyan-soft:     #5fe1ff;
  --blue:          #2563eb;
  --accent:        #21d4fd;
  --accent-2:      #2563eb;
  --accent-grad:   linear-gradient(135deg, #2563eb 0%, #21d4fd 100%);
  --danger:        #ff4d6d;
  --warn:          #ffb454;
  --ok:            #2bf5a0;
  --user-bubble:   #0c1f38;
  --radius:        10px;
  --radius-sm:     7px;
  --glow:          0 0 18px rgba(33,212,253,.45);
  --glow-soft:     0 0 12px rgba(33,212,253,.25);
  --shadow:        0 12px 50px rgba(0,0,0,.6), 0 0 0 1px rgba(33,212,253,.08);
  --font:          'Rajdhani', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --display:       'Orbitron', 'Rajdhani', sans-serif;
  --mono:          'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: .2px;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-shadow: var(--glow-soft); }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(33,212,253,.25); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(33,212,253,.45); }

/* ----- Background: animated cyan aurora + grid + scanlines ----- */
body::before {
  content: ''; position: fixed; inset: -25%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(40% 50% at 12% 12%, rgba(37,99,235,.25), transparent 60%),
    radial-gradient(45% 55% at 88% 8%, rgba(33,212,253,.18), transparent 60%),
    radial-gradient(55% 55% at 50% 108%, rgba(37,99,235,.16), transparent 60%);
  filter: blur(50px);
  animation: aurora 22s ease-in-out infinite alternate;
}
body::after {
  content: ''; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background:
    linear-gradient(rgba(33,212,253,.025) 1px, transparent 1px) 0 0 / 100% 3px,
    linear-gradient(90deg, rgba(33,212,253,.04) 1px, transparent 1px) 0 0 / 44px 100%,
    linear-gradient(rgba(33,212,253,.04) 1px, transparent 1px) 0 0 / 100% 44px;
}
@keyframes aurora {
  0% { transform: translate(0,0) scale(1); } 50% { transform: translate(2.5%,-2.5%) scale(1.08); }
  100% { transform: translate(-2.5%,2.5%) scale(1.05); }
}
.app, .auth-wrap, .legal, .admin-top, .tabs, .page, .disclosure { position: relative; z-index: 1; }

/* ----- HUD corner-bracket frame (apply class .hud) ----- */
.hud {
  position: relative;
  border: 1px solid var(--border);
  background:
    linear-gradient(var(--cyan), var(--cyan)) top left,
    linear-gradient(var(--cyan), var(--cyan)) top left,
    linear-gradient(var(--cyan), var(--cyan)) top right,
    linear-gradient(var(--cyan), var(--cyan)) top right,
    linear-gradient(var(--cyan), var(--cyan)) bottom left,
    linear-gradient(var(--cyan), var(--cyan)) bottom left,
    linear-gradient(var(--cyan), var(--cyan)) bottom right,
    linear-gradient(var(--cyan), var(--cyan)) bottom right;
  background-repeat: no-repeat;
  background-size: 14px 2px, 2px 14px;
  box-shadow: var(--glow-soft), inset 0 0 30px rgba(33,212,253,.04);
}

/* ----- Headings / labels ----- */
.hud-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--cyan); opacity: .85;
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--accent-grad);
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 800; color: #00121f; font-size: 16px;
  box-shadow: 0 0 0 1px rgba(33,212,253,.5), 0 0 20px rgba(33,212,253,.6);
  flex: none;
}

/* ----- Buttons ----- */
.btn {
  font-family: var(--font); font-size: 15px; font-weight: 600; letter-spacing: .5px;
  border: 1px solid var(--border-strong); background: rgba(33,212,253,.06); color: var(--text);
  padding: 10px 18px; border-radius: var(--radius-sm); cursor: pointer;
  transition: .16s; display: inline-flex; align-items: center; gap: 8px; text-transform: uppercase;
}
.btn:hover { background: rgba(33,212,253,.14); border-color: var(--cyan); box-shadow: var(--glow-soft); }
.btn-primary {
  background: var(--accent-grad); border: none; color: #00121f; font-weight: 700;
  box-shadow: 0 0 22px rgba(33,212,253,.45);
}
.btn-primary:hover { filter: brightness(1.12); transform: translateY(-1px); box-shadow: 0 0 30px rgba(33,212,253,.7); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-danger { color: var(--danger); border-color: rgba(255,77,109,.5); background: rgba(255,77,109,.08); }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ----- Inputs ----- */
input, select, textarea {
  font-family: var(--font); font-size: 15px;
  background: rgba(3,10,20,.8); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 11px 14px; outline: none; transition: .16s; width: 100%;
}
input::placeholder, textarea::placeholder { color: var(--text-faint); }
input:focus, select:focus, textarea:focus {
  border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan), var(--glow-soft);
}
label { font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--cyan); display: block; margin-bottom: 7px; opacity: .8; }

/* ===== Monitoring disclosure banner ===== */
.disclosure {
  display: flex; align-items: center; gap: 12px;
  background: linear-gradient(90deg, rgba(37,99,235,.18), rgba(33,212,253,.10));
  border-bottom: 1px solid var(--border);
  padding: 9px 18px; font-size: 13px; color: var(--text-dim);
}
.disclosure b { color: var(--cyan); }
.disclosure .spacer { flex: 1; }
.disclosure a { white-space: nowrap; }
.disclosure button { background: transparent; border: none; color: var(--text-faint);
  cursor: pointer; font-size: 18px; line-height: 1; padding: 0 4px; }

/* ===== Auth / SECURE LOGIN ===== */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 22px;
  background:
    radial-gradient(820px 520px at 18% 8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(820px 520px at 82% 92%, rgba(33,212,253,.20), transparent 60%); }
.login-hero { width: 100%; max-width: 880px; text-align: center; margin-bottom: 8px; }
.login-hero .dragon { width: min(360px, 80vw); filter: drop-shadow(0 0 30px rgba(33,212,253,.5)); margin-bottom: -10px; }
.login-hero h1 {
  font-family: var(--display); font-weight: 900; font-size: clamp(34px, 7vw, 64px);
  letter-spacing: 8px; margin: 0; color: #eafaff;
  text-shadow: 0 0 18px rgba(33,212,253,.8), 0 0 40px rgba(37,99,235,.6);
}
.login-hero .tagline { font-family: var(--mono); letter-spacing: 4px; text-transform: uppercase;
  color: var(--cyan); font-size: clamp(10px, 2vw, 13px); margin-top: 4px; opacity: .85; }

.auth-card {
  width: 100%; max-width: 420px; background: rgba(7,18,31,.78); backdrop-filter: blur(8px);
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 30px 30px; box-shadow: var(--shadow), var(--glow-soft); position: relative;
}
.auth-card .panel-head { font-family: var(--display); letter-spacing: 4px; text-transform: uppercase;
  color: var(--cyan); font-size: 18px; text-align: center; margin: 0 0 4px; text-shadow: var(--glow-soft); }
.auth-card .logo { display: flex; align-items: center; justify-content: center; gap: 11px; margin-bottom: 6px; }
.auth-card .logo span { font-family: var(--display); font-size: 20px; font-weight: 800; letter-spacing: 3px; }
.auth-sub { color: var(--text-dim); font-size: 14px; margin: 0 0 22px; text-align: center; }
.auth-card .field { margin-bottom: 15px; }
.auth-tabs { display: flex; gap: 6px; margin-bottom: 22px; background: rgba(3,10,20,.7);
  padding: 4px; border-radius: 8px; border: 1px solid var(--border); }
.auth-tabs button { flex: 1; background: transparent; border: none; color: var(--text-dim);
  padding: 9px; border-radius: 6px; cursor: pointer; font-weight: 700; font-size: 13px;
  font-family: var(--mono); letter-spacing: 1px; text-transform: uppercase; }
.auth-tabs button.active { background: rgba(33,212,253,.14); color: var(--cyan); box-shadow: var(--glow-soft); }
.auth-err { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 4px; font-family: var(--mono); }
.auth-foot { text-align: center; margin-top: 16px; font-size: 12px; color: var(--text-faint); }
.auth-prohibited { text-align: center; margin-top: 14px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 2px; text-transform: uppercase; color: var(--danger); opacity: .7; }
.fp-icon { width: 46px; height: 46px; margin: 6px auto 0; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 10px; font-size: 22px; color: var(--cyan);
  box-shadow: var(--glow-soft); }

/* ===== Chat app layout ===== */
.app { display: grid; grid-template-columns: 270px 1fr; height: 100vh; overflow: hidden; }
.sidebar { background: linear-gradient(180deg, rgba(5,11,22,.96), rgba(3,8,16,.96));
  border-right: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; }
.sidebar .top { padding: 16px 14px; border-bottom: 1px solid var(--border); }
.sidebar .logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.sidebar .logo span { font-family: var(--display); font-weight: 800; font-size: 18px; letter-spacing: 3px; color: var(--cyan); }
.new-chat { width: 100%; justify-content: flex-start; }
.chat-list { flex: 1; overflow-y: auto; padding: 8px; display: flex; flex-direction: column; gap: 3px; }
.chat-item { padding: 10px 12px; border-radius: 7px; cursor: pointer; color: var(--text-dim);
  font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex;
  gap: 9px; align-items: center; border: 1px solid transparent; }
.chat-item:hover { background: rgba(33,212,253,.06); color: var(--text); }
.chat-item.active { background: rgba(33,212,253,.12); color: var(--cyan); border-color: var(--border); box-shadow: var(--glow-soft); }
.sidebar .foot { border-top: 1px solid var(--border); padding: 12px; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 8px; cursor: pointer; }
.user-chip:hover { background: rgba(33,212,253,.06); }
.avatar { width: 34px; height: 34px; border-radius: 8px; background: var(--accent-grad);
  display: grid; place-items: center; font-family: var(--display); font-weight: 800; color: #00121f;
  font-size: 14px; flex: none; box-shadow: var(--glow-soft); }
.user-chip .meta { overflow: hidden; }
.user-chip .meta .name { font-size: 15px; font-weight: 700; }
.user-chip .meta .role { font-family: var(--mono); font-size: 10px; letter-spacing: 1px; color: var(--ok); text-transform: uppercase; }

.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--border);
  background: rgba(5,11,22,.5); }
.topbar .title { font-family: var(--display); letter-spacing: 4px; color: var(--cyan); font-weight: 800; font-size: 16px; }
.topbar .title small { display:block; font-family: var(--mono); font-size: 9px; letter-spacing: 2px; color: var(--text-faint); font-weight: 400; }
.topbar select { width: auto; min-width: 170px; }
.topbar .spacer { flex: 1; }
.status-pill { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; color: var(--ok);
  display: inline-flex; align-items: center; gap: 7px; text-transform: uppercase; }
.status-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .4; } }

.messages { flex: 1; overflow-y: auto; padding: 26px 0 12px; }
.thread { max-width: 820px; margin: 0 auto; padding: 0 22px; }
.msg { display: flex; gap: 14px; padding: 16px 0; animation: msgin .35s ease; }
@keyframes msgin { from { opacity: 0; transform: translateY(8px); } }
.msg .who { width: 34px; height: 34px; border-radius: 8px; flex: none; display: grid; place-items: center;
  font-family: var(--display); font-size: 13px; font-weight: 800; }
.msg.user .who { background: var(--user-bubble); color: var(--cyan); border: 1px solid var(--border); }
.msg.assistant .who { background: var(--accent-grad); color: #00121f; box-shadow: var(--glow); }
.msg .body { flex: 1; min-width: 0; }
.msg .body .name { font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase;
  font-weight: 700; color: var(--cyan); margin-bottom: 4px; }
.msg .content { font-size: 16px; word-wrap: break-word; overflow-wrap: anywhere; color: var(--text); }
.msg .content p { margin: 0 0 12px; }
.msg .content pre { background: #020912; border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; overflow-x: auto; font-family: var(--mono); font-size: 13px; box-shadow: inset 0 0 20px rgba(33,212,253,.05); }
.msg .content code { font-family: var(--mono); font-size: .9em; background: #020912; padding: 1px 5px; border-radius: 5px; color: var(--cyan-soft); }
.msg .content pre code { background: none; padding: 0; color: var(--text); }
.msg .usage { font-size: 11px; color: var(--text-faint); margin-top: 8px; font-family: var(--mono); letter-spacing: .5px; }
.cursor-blink::after { content: '▮'; animation: blink 1s steps(2) infinite; color: var(--cyan); }
@keyframes blink { 50% { opacity: 0; } }

.welcome { max-width: 680px; margin: 5vh auto 0; text-align: center; padding: 0 20px; }
.welcome .dragon { width: min(280px, 60vw); filter: drop-shadow(0 0 26px rgba(33,212,253,.5));
  animation: float 5s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-9px); } }
.welcome h1 { font-family: var(--display); font-size: clamp(26px, 5vw, 40px); letter-spacing: 6px; margin: 6px 0 6px;
  color: #eafaff; text-shadow: 0 0 18px rgba(33,212,253,.7); }
.welcome p { color: var(--text-dim); margin: 0 0 26px; font-family: var(--mono); font-size: 13px; letter-spacing: 1px; }
.suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.suggestion { text-align: left; background: rgba(7,18,31,.6); border: 1px solid var(--border);
  border-radius: 9px; padding: 14px 16px; cursor: pointer; transition: .16s; }
.suggestion:hover { border-color: var(--cyan); transform: translateY(-2px); box-shadow: var(--glow-soft); }
.suggestion b { display: block; font-size: 15px; margin-bottom: 3px; color: var(--cyan); }
.suggestion span { font-size: 13px; color: var(--text-dim); }

.composer { padding: 12px 22px 18px; }
.composer-inner { max-width: 820px; margin: 0 auto; }
.input-box { display: flex; align-items: flex-end; gap: 10px; background: rgba(3,10,20,.85);
  border: 1px solid var(--border-strong); border-radius: 12px; padding: 10px 10px 10px 16px; box-shadow: var(--glow-soft); }
.input-box::before { content: '>'; color: var(--cyan); font-family: var(--mono); font-weight: 700; padding-bottom: 8px; }
.input-box:focus-within { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan), 0 0 26px rgba(33,212,253,.3); }
.input-box textarea { border: none; background: none; resize: none; padding: 6px 0; max-height: 200px; box-shadow: none; font-family: var(--mono); }
.input-box textarea:focus { box-shadow: none; }
.send-btn { width: 40px; height: 40px; border-radius: 9px; border: none; background: var(--accent-grad);
  color: #00121f; cursor: pointer; flex: none; display: grid; place-items: center; font-size: 17px;
  box-shadow: 0 0 18px rgba(33,212,253,.5); transition: .15s; }
.send-btn:hover:not(:disabled) { transform: translateY(-1px) scale(1.05); box-shadow: 0 0 26px rgba(33,212,253,.8); }
.send-btn:disabled { opacity: .4; cursor: not-allowed; }
.composer .hint { text-align: center; font-size: 11px; color: var(--text-faint); margin-top: 9px; font-family: var(--mono); letter-spacing: .5px; }
.attach-btn { background: none; border: none; color: var(--cyan); cursor: pointer; font-size: 18px; padding: 6px 4px; align-self: flex-end; transition: .15s; }
.attach-btn:hover { filter: drop-shadow(0 0 7px var(--cyan)); transform: scale(1.1); }
.attach-chip { display: flex; align-items: center; gap: 9px; background: rgba(33,212,253,.1);
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 12px; margin-bottom: 9px;
  font-family: var(--mono); font-size: 12px; color: var(--cyan); width: fit-content; max-width: 100%; box-shadow: var(--glow-soft); }
.attach-chip .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 360px; }
.attach-chip button { background: none; border: none; color: var(--text-faint); cursor: pointer; font-size: 15px; line-height: 1; }
.attach-chip button:hover { color: var(--danger); }

.menu { position: fixed; background: rgba(7,18,31,.97); border: 1px solid var(--border-strong);
  border-radius: 9px; box-shadow: var(--shadow), var(--glow-soft); padding: 6px; min-width: 200px; z-index: 50; }
.menu button { width: 100%; text-align: left; background: none; border: none; color: var(--text);
  padding: 10px 12px; border-radius: 6px; cursor: pointer; font-size: 14px; display: flex; gap: 9px; align-items: center; font-family: var(--font); }
.menu button:hover { background: rgba(33,212,253,.1); color: var(--cyan); }
.menu hr { border: none; border-top: 1px solid var(--border); margin: 5px 0; }

@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; z-index: 40; width: 270px; height: 100%; transform: translateX(-100%); transition: .2s; }
  .sidebar.open { transform: none; }
  .menu-toggle { display: inline-flex !important; }
}
.menu-toggle { display: none; }

/* ===== util / badges ===== */
.hidden { display: none !important; }
.badge { font-family: var(--mono); font-size: 11px; padding: 2px 8px; border-radius: 4px; font-weight: 600; letter-spacing: .5px; }
.badge.ok { background: rgba(43,245,160,.14); color: var(--ok); }
.badge.err { background: rgba(255,77,109,.15); color: var(--danger); }
.badge.warn { background: rgba(255,180,84,.15); color: var(--warn); }
.badge.muted { background: rgba(33,212,253,.1); color: var(--cyan); }

@media (prefers-reduced-motion: reduce) {
  body::before, .welcome .dragon, .msg, .status-pill .dot { animation: none; }
}