/* Inteligência Itaú × Redis LangCache - light theme, Itaú orange identity */

:root {
  --orange: #EC7000;
  --orange-dark: #D96400;
  --orange-soft: #FFF3E8;
  --ink: #1F2933;
  --muted: #66707A;
  --bg: #F4F5F7;
  --card: #FFFFFF;
  --line: #E4E7EB;
  --green: #0E8F62;
  --green-soft: #E3F5EE;
  --amber: #B9770E;
  --amber-soft: #FBF0DC;
  --blue: #2E6FED;
  --blue-soft: #E9F0FE;
  --violet: #7A4FBF;
  --violet-soft: #F1EAFB;
  --red: #D6453D;
  --redis: #FF4438;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(31, 41, 51, 0.07), 0 4px 14px rgba(31, 41, 51, 0.05);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 400 14px/1.55 Inter, system-ui, -apple-system, sans-serif;
}
h1, h2 { font-weight: 700; }
.hidden { display: none !important; }

/* ============ Top bar ============ */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 12px 28px;
  background: var(--card);
  border-bottom: 3px solid var(--orange);
  box-shadow: var(--shadow);
}
.brand { display: flex; align-items: center; gap: 12px; }
.itau-logo { height: 42px; width: 42px; border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 19px; font-weight: 800; letter-spacing: -0.2px; }
.brand-sub { font-size: 11.5px; color: var(--muted); }

.tabs { display: flex; gap: 6px; background: var(--bg); padding: 5px; border-radius: 12px; }
.tab {
  border: none; background: transparent; cursor: pointer;
  font: 600 13.5px Inter, sans-serif; color: var(--muted);
  padding: 9px 18px; border-radius: 9px; transition: all .15s ease;
}
.tab.active { background: var(--orange); color: #fff; box-shadow: 0 2px 8px rgba(236, 112, 0, 0.35); }
.tab:not(.active):hover { color: var(--ink); }

.topbar-right { display: flex; align-items: center; gap: 10px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 11.5px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px;
}
.status-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); }
.status-pill.ok .dot { background: var(--green); }
.status-pill.err .dot { background: var(--red); }
.powered {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 600; color: var(--muted);
}
.redis-mini { height: 16px; width: auto; color: var(--redis); }

/* ============ Layout ============ */
.layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 390px; gap: 18px;
  max-width: 1720px; margin: 0 auto; padding: 20px 28px 48px;
}
.main-col { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.rail { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: var(--shadow);
}
.card-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2 { margin: 0; font-size: 15px; }
.card-sub { font-size: 12px; color: var(--muted); }

/* ============ KPIs ============ */
.kpis { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.kpi {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px; box-shadow: var(--shadow);
}
.kpi-num { font-size: 25px; font-weight: 800; letter-spacing: -0.5px; }
.kpi-label { font-size: 10.5px; font-weight: 600; letter-spacing: 0.8px; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.kpi-accent { border-color: var(--orange); background: linear-gradient(180deg, var(--orange-soft), #fff 70%); }
.kpi-accent .kpi-num { color: var(--orange); }

/* ============ Chat ============ */
.chat-card {
  display: flex; flex-direction: column; min-height: 560px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.chat-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: #FAFBFC;
  flex-wrap: wrap;
}
.personas { display: flex; gap: 8px; }
.persona-chip {
  display: flex; align-items: center; gap: 9px;
  background: var(--card); border: 1.5px solid var(--line); border-radius: 12px;
  padding: 7px 14px 7px 8px; cursor: pointer; font: inherit; text-align: left;
  transition: all .15s ease;
}
.persona-chip b { display: block; font-size: 13px; }
.persona-chip small { color: var(--muted); font-size: 11px; }
.persona-chip.active { border-color: var(--orange); background: var(--orange-soft); }
.p-avatar {
  width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center;
  font-weight: 800; font-size: 14px; color: #fff;
  position: relative; overflow: hidden; flex-shrink: 0;
}
.p-avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.av-a { background: linear-gradient(135deg, var(--orange), #F5A623); }
.av-b { background: linear-gradient(135deg, #28415B, #4A6FA5); }
.chat-actions { display: flex; gap: 8px; }

.thread {
  flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px;
  scroll-behavior: smooth; background: #FBFCFD;
}
.thread:empty::before {
  content: attr(data-empty);
  display: block; margin: auto; max-width: 320px; text-align: center;
  color: var(--muted); font-size: 12.5px;
}
.msg { max-width: 86%; display: flex; flex-direction: column; gap: 5px; }
.msg-user { align-self: flex-end; align-items: flex-end; }
.msg-bot { align-self: flex-start; align-items: flex-start; }
.bubble {
  padding: 10px 14px; border-radius: 14px; font-size: 13.5px; line-height: 1.55;
  white-space: pre-wrap; word-break: break-word;
}
.msg-user .bubble { background: var(--orange); color: #fff; border-bottom-right-radius: 4px; }
.msg-bot .bubble { background: var(--card); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg-bot.src-cache .bubble { border-left: 3px solid var(--green); }
.msg-bot.src-llm .bubble { border-left: 3px solid var(--amber); }
.msg-bot.src-bypass .bubble { border-left: 3px solid var(--blue); }
.msg-bot.src-guardrail .bubble { border-left: 3px solid var(--violet); }
.msg-bot.src-error .bubble { border-left: 3px solid var(--red); color: var(--red); }

.msg-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 11px; color: var(--muted); }
.badge {
  font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: 0.5px;
  padding: 2.5px 8px; border-radius: 999px; text-transform: uppercase;
}
.badge-cache { background: var(--green-soft); color: var(--green); }
.badge-llm { background: var(--amber-soft); color: var(--amber); }
.badge-bypass { background: var(--blue-soft); color: var(--blue); }
.badge-guardrail { background: var(--violet-soft); color: var(--violet); }
.badge-speed { background: var(--orange-soft); color: var(--orange); }
.badge-stored { background: var(--blue-soft); color: var(--blue); }
.sim-meter { display: inline-flex; align-items: center; gap: 6px; }
.sim-track { width: 54px; height: 4px; border-radius: 4px; background: var(--line); overflow: hidden; display: inline-block; }
.sim-fill { height: 100%; background: var(--green); border-radius: 4px; display: block; }
.msg-trace { font-family: var(--mono); font-size: 10.5px; color: var(--muted); }
.msg-trace .t-hit { color: var(--green); }
.msg-trace .t-miss { color: var(--amber); }
.msg-trace .t-stored { color: var(--blue); }

.typing { display: inline-flex; gap: 4px; padding: 12px 14px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 70%, 100% { opacity: .25; } 35% { opacity: 1; } }

.composer { display: flex; gap: 10px; padding: 12px 14px; border-top: 1px solid var(--line); background: #FAFBFC; }
.composer input {
  flex: 1; background: var(--card); border: 1.5px solid var(--line); border-radius: 10px;
  color: var(--ink); font: inherit; padding: 11px 14px; outline: none; transition: border-color .15s ease;
}
.composer input:focus { border-color: var(--orange); }
.composer button {
  background: var(--orange); border: none; border-radius: 10px; color: #fff;
  font-size: 16px; padding: 0 20px; cursor: pointer; transition: background .15s ease;
}
.composer button:hover { background: var(--orange-dark); }
.composer button:disabled { opacity: .5; cursor: wait; }

/* ============ Buttons ============ */
.primary-btn {
  background: var(--orange); border: none; border-radius: 10px; color: #fff;
  font: 600 13.5px Inter, sans-serif; padding: 10px 20px; cursor: pointer;
  transition: background .15s ease;
}
.primary-btn:hover { background: var(--orange-dark); }
.primary-btn:disabled { opacity: .5; cursor: not-allowed; }
.ghost-btn {
  background: var(--card); border: 1px solid var(--line); border-radius: 9px;
  color: var(--ink); font: 600 12.5px Inter, sans-serif; padding: 8px 14px; cursor: pointer;
  transition: all .15s ease;
}
.ghost-btn:hover { border-color: var(--orange); color: var(--orange); }
.ghost-btn.danger:hover { border-color: var(--red); color: var(--red); }
.ghost-btn:disabled { opacity: .45; cursor: not-allowed; }

/* ============ Roteiro ============ */
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; counter-reset: step; }
.step { border-radius: 10px; padding: 10px 12px; }
.step:hover { background: #FAFBFC; }
.step-head { display: flex; align-items: center; gap: 10px; }
.step-num {
  counter-increment: step; flex-shrink: 0;
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--orange-soft); border: 1px solid #F3C89E;
  font-family: var(--mono); font-size: 11px; font-weight: 600; color: var(--orange);
}
.step-num::before { content: counter(step); }
.step-title { font-size: 13px; font-weight: 700; }
.step-note { font-size: 11.5px; color: var(--muted); margin: 4px 0 8px 32px; line-height: 1.45; }
.step-chips { display: flex; flex-direction: column; gap: 6px; margin-left: 32px; }
.chip {
  display: flex; align-items: center; gap: 8px; text-align: left;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  color: var(--ink); font: 400 12px Inter, sans-serif; padding: 7px 10px; cursor: pointer;
  transition: border-color .15s ease;
}
.chip:hover { border-color: var(--orange); }
.chip .chip-side {
  flex-shrink: 0; font-family: var(--mono); font-size: 9.5px; font-weight: 700;
  padding: 2px 6px; border-radius: 5px;
}
.chip .side-A { background: var(--orange-soft); color: var(--orange); }
.chip .side-B { background: var(--blue-soft); color: #28415B; }
.chip.chip-action { border-style: dashed; color: var(--violet); }
.chip.chip-action:hover { border-color: var(--violet); }
.chip.done { opacity: .45; }

/* ============ Observability ============ */
.obs-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.obs-table td { padding: 6px 0; border-bottom: 1px solid var(--line); }
.obs-table td:first-child { color: var(--muted); }
.obs-table td:last-child { text-align: right; font-family: var(--mono); font-size: 12px; }
.obs-debug { margin-top: 12px; }
.obs-debug summary { font-size: 12px; color: var(--muted); cursor: pointer; }
.obs-debug pre {
  margin: 10px 0 0; padding: 12px; max-height: 300px; overflow: auto;
  background: #F8F9FA; border: 1px solid var(--line); border-radius: 8px;
  font-family: var(--mono); font-size: 10.5px; line-height: 1.5; color: #28415B;
  white-space: pre-wrap; word-break: break-word;
}

/* ============ Replay ============ */
.controls-row { display: flex; align-items: end; gap: 12px; flex-wrap: wrap; }
.controls-row label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); font-weight: 600; }
.controls-row select {
  background: var(--card); border: 1.5px solid var(--line); border-radius: 9px;
  font: inherit; padding: 9px 10px; outline: none;
}
.adv { margin-top: 14px; }
.adv summary { font-size: 12.5px; color: var(--muted); cursor: pointer; font-weight: 600; }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.adv-grid label { display: flex; flex-direction: column; gap: 5px; font-size: 11.5px; color: var(--muted); }
.adv-grid input {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  font: inherit; padding: 8px 10px; outline: none; width: 100%;
}
.chart-card canvas { width: 100%; display: block; }
.feed { max-height: 300px; overflow-y: auto; display: flex; flex-direction: column; gap: 5px; }
.feed-row {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; padding: 6px 10px; border-radius: 8px; background: #FAFBFC;
}
.feed-row .q { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); }
.feed-row .ms { font-family: var(--mono); font-size: 10.5px; color: var(--muted); }

/* projection */
.proj-field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--muted); margin-bottom: 14px; }
.proj-field b { color: var(--ink); font-family: var(--mono); }
.proj-field small { font-weight: 400; }
.proj-field input[type="range"] { accent-color: var(--orange); }
.proj-results { border-top: 1px solid var(--line); padding-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.proj-row { display: flex; justify-content: space-between; font-size: 13px; }
.proj-row b { font-family: var(--mono); }
.proj-hero { font-size: 15px; }
.proj-hero b { color: var(--orange); font-size: 20px; }
.proj-note { font-size: 11.5px; color: var(--muted); margin: 12px 0 0; }

/* ============ Login ============ */
#login-overlay {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center;
  background: linear-gradient(160deg, #FFF7EF, var(--bg) 55%);
}
#login-overlay.hidden { display: none; }
.login-card {
  width: 360px; text-align: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 40px 36px; box-shadow: 0 10px 40px rgba(31, 41, 51, 0.12);
}
.login-logo { height: 64px; border-radius: 14px; margin-bottom: 16px; }
.login-card h1 { margin: 0 0 6px; font-size: 24px; }
.login-card p { margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.login-card input {
  width: 100%; background: var(--bg); border: 1.5px solid var(--line); border-radius: 10px;
  font: inherit; padding: 12px 14px; outline: none; margin-bottom: 12px; text-align: center;
}
.login-card input:focus { border-color: var(--orange); }
.login-card button {
  width: 100%; background: var(--orange); border: none; border-radius: 10px;
  color: #fff; font: 600 14px Inter, sans-serif; padding: 12px; cursor: pointer;
}
.login-card button:hover { background: var(--orange-dark); }
#login-error { color: var(--red); font-size: 12.5px; margin-top: 10px; min-height: 16px; }

/* ============ Responsive ============ */
@media (max-width: 1400px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1150px) {
  .layout { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; }
}