:root {
  --navy: #082952;
  --navy-dark: #061d3a;
  --navy-soft: #123d63;
  --green: #16734a;
  --green-soft: #eaf5ef;
  --gold: #b5892e;
  --gold-soft: #f7f3e8;
  --ink: #18283c;
  --muted: #667789;
  --border: #dce3e9;
  --surface: #ffffff;
  --background: #f4f7f9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family:
    Inter, "Segoe UI", Arial, Helvetica, sans-serif;
}

/* HEADER */

.bank-header {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 38px;
  padding: 0 42px;
  background: var(--navy-dark);
  color: #fff;
  border-bottom: 3px solid var(--gold);
}

.bank-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.bank-logo {
  width: 43px;
  height: 43px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold);
  font-weight: 800;
  letter-spacing: .04em;
}

.bank-name {
  font-size: 18px;
  font-weight: 750;
}

.bank-subtitle {
  margin-top: 2px;
  color: #bac8d7;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.bank-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  flex: 1;
}

.bank-nav a {
  color: #e8eef5;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.bank-nav a:first-child {
  color: #fff;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 8px;
}

.bank-user {
  padding: 9px 14px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 5px;
  font-size: 13px;
}

/* PAGE */

.bank-shell {
  max-width: 1450px;
  margin: 0 auto;
  padding: 38px 42px 70px;
}

.welcome-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 30px;
}

.eyebrow {
  margin-bottom: 7px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.welcome-row h1 {
  margin: 0;
  color: var(--navy);
  font-size: 32px;
  font-weight: 720;
}

.welcome-row p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.architecture-link {
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 3px;
}

/* DASHBOARD */

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(360px, .8fr);
  gap: 24px;
  align-items: start;
}

.main-column {
  display: grid;
  gap: 24px;
}

.panel,
.assistant-panel,
.governance-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 4px 18px rgba(14, 35, 58, .04);
}

.panel {
  padding: 25px 28px;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.panel-header h2,
.assistant-header h2,
.governance-panel h2 {
  margin: 0;
  color: var(--navy);
  font-size: 20px;
  font-weight: 720;
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--navy-soft);
  cursor: pointer;
  font-weight: 700;
}

/* ACCOUNTS */

.account-list {
  border-top: 1px solid var(--border);
}

.account-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 19px 12px;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.account-row:hover {
  background: #f8fafb;
}

.account-row.active {
  border-left: 3px solid var(--green);
  background: #f6faf8;
}

.account-name {
  color: var(--navy);
  font-size: 15px;
  font-weight: 700;
}

.account-number {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.account-balance {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.account-balance strong {
  color: var(--navy);
  font-size: 17px;
}

.account-balance span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

/* TRANSACTIONS */

.transaction-table {
  border-top: 1px solid var(--border);
}

.transaction-row {
  display: grid;
  grid-template-columns: 100px 1fr 130px;
  gap: 15px;
  padding: 14px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.transaction-row > :last-child {
  text-align: right;
  font-weight: 650;
}

.transaction-heading {
  color: var(--muted);
  background: #fafbfc;
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.credit {
  color: var(--green);
}

/* AI ASSISTANT */

.assistant-panel {
  overflow: hidden;
}

.assistant-header {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 22px 24px;
  background: var(--navy);
  color: #fff;
}

.assistant-header h2 {
  color: #fff;
}

.assistant-header .eyebrow {
  margin-bottom: 4px;
  color: #e2c56e;
}

.assistant-badge {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #d5b55c;
  border-radius: 50%;
  color: #f0d98c;
  font-size: 12px;
  font-weight: 800;
}

.chat-messages {
  min-height: 260px;
  max-height: 380px;
  overflow-y: auto;
  padding: 22px;
  background: #f8fafb;
}

.message {
  max-width: 88%;
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 9px;
  font-size: 13px;
  line-height: 1.55;
}

.assistant-message {
  background: #fff;
  border: 1px solid var(--border);
}

.user-message {
  margin-left: auto;
  background: var(--navy);
  color: #fff;
}

.suggestions {
  display: grid;
  gap: 8px;
  padding: 0 22px 18px;
  background: #f8fafb;
}

.suggestions button {
  padding: 10px 12px;
  border: 1px solid #ccd7df;
  background: #fff;
  color: var(--navy);
  cursor: pointer;
  text-align: left;
  font-size: 12px;
  font-weight: 650;
}

.suggestions button:hover {
  border-color: var(--gold);
}

.chat-form {
  padding: 18px 22px 22px;
  border-top: 1px solid var(--border);
}

.chat-form textarea {
  width: 100%;
  resize: vertical;
  min-height: 76px;
  padding: 12px;
  border: 1px solid #cbd5dd;
  border-radius: 5px;
  font: inherit;
  font-size: 13px;
}

.chat-form textarea:focus {
  outline: 2px solid rgba(18, 61, 99, .18);
  border-color: var(--navy-soft);
}

.chat-form button {
  width: 100%;
  margin-top: 10px;
  padding: 12px 16px;
  border: 0;
  border-radius: 4px;
  background: var(--green);
  color: #fff;
  cursor: pointer;
  font-weight: 750;
}

.chat-form button:hover {
  background: #105f3d;
}

.chat-form button:disabled,
.suggestions button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.chat-form button.is-processing {
  background: var(--gold);
  color: #fff;
}

.chat-form button.is-processing:hover {
  background: var(--gold);
}

/* GOVERNANCE */

.governance-panel {
  margin-top: 25px;
  padding: 27px 28px 30px;
  scroll-margin-top: 24px;
}

.governance-header {
  align-items: flex-start;
}

.runtime-status {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex: 0 0 auto;
}

.status-dot.processing {
  background: var(--gold);
}

.status-dot.success {
  background: var(--green);
}

.status-dot.pending {
  background: #c98918;
}

.status-dot.blocked,
.status-dot.error {
  background: #b42318;
}


/* =========================================================
   TRANSPARENCY CONTROL
   ========================================================= */

.stream-control {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.stream-label {
  color: var(--navy);
  font-size: 11px;
  font-weight: 750;
}

#streamMode {
  min-width: 120px;
  padding: 7px 28px 7px 10px;
  border: 1px solid #cbd5dd;
  border-radius: 4px;
  background: #fff;
  color: var(--navy);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

#streamMode:focus {
  outline: 2px solid rgba(18, 61, 99, .15);
  border-color: var(--navy-soft);
}

.stream-safety {
  padding: 5px 8px;
  border: 1px solid #d9e3ea;
  border-radius: 999px;
  background: #f6f9fb;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}


/* =========================================================
   LIVE EVENT PANEL
   ========================================================= */

.runtime-event {
  display: grid;
  grid-template-columns: auto minmax(150px, auto) 1fr;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
  padding: 12px 14px;
  border: 1px solid #d8e1e8;
  background: #f8fafb;
}

.runtime-event-label {
  color: var(--gold);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.runtime-event strong {
  color: var(--navy);
  font-size: 11px;
}

.runtime-event span:last-child {
  color: var(--muted);
  font-size: 11px;
}


/* =========================================================
   EXECUTION FLOW
   ========================================================= */

.execution-flow {
  display: grid;
  grid-template-columns:
    minmax(115px, 1fr) auto
    minmax(115px, 1fr) auto
    minmax(115px, 1fr) auto
    minmax(115px, 1fr) auto
    minmax(115px, 1fr) auto
    minmax(115px, 1fr) auto
    minmax(115px, 1fr) auto
    minmax(115px, 1fr);
  gap: 8px;
  align-items: stretch;
  margin-top: 22px;
}

.flow-node,
.runtime-node {
  position: relative;
  min-width: 0;
  padding: 15px 13px 14px;
  border: 1px solid var(--border);
  background: #fafbfc;

  transition:
    background-color .28s ease,
    border-color .28s ease,
    box-shadow .28s ease,
    transform .28s ease;
}

.flow-number {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 850;
}

.flow-node strong {
  display: block;
  color: var(--navy);
  font-size: 12px;
  line-height: 1.25;
}

.node-status {
  display: inline-flex;
  margin-top: 10px;
  padding: 3px 7px;
  border-radius: 999px;
  background: #edf1f4;
  color: #6f7e8c;
  font-size: 8px;
  font-weight: 850;
  letter-spacing: .05em;
}

.flow-node small,
.node-message {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.4;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #95a4b2;
  font-size: 17px;
  font-weight: 700;
}


/* =========================================================
   NODE STATES
   ========================================================= */

/* WAITING */

.runtime-node.waiting {
  background: #fafbfc;
  border-color: var(--border);
}

.runtime-node.waiting .node-status {
  background: #edf1f4;
  color: #71808d;
}


/* PROCESSING */

.runtime-node.processing {
  background: #fff5d7;
  border-color: var(--gold);
  box-shadow:
    0 0 0 3px rgba(181, 137, 46, .14),
    0 8px 22px rgba(8, 41, 82, .10);
  transform: translateY(-3px);
  animation: runtimePulse 1.15s ease-in-out infinite;
}

.runtime-node.processing .node-status {
  background: #f2d889;
  color: #60480d;
}

.runtime-node.processing strong {
  color: #654d13;
}


/* SUCCESS */

.runtime-node.success {
  background: #eaf6ef;
  border-color: var(--green);
  box-shadow: 0 5px 14px rgba(22, 115, 74, .08);
}

.runtime-node.success .node-status {
  background: #cfe9db;
  color: #12633f;
}


/* POLICY ENFORCED */

.runtime-node.enforced {
  background: #eef4fb;
  border-color: var(--navy-soft);
  box-shadow: 0 5px 14px rgba(18, 61, 99, .08);
}

.runtime-node.enforced .node-status {
  background: #dbe8f4;
  color: var(--navy);
}


/* HUMAN APPROVAL PENDING */

.runtime-node.pending {
  background: #fff0ca;
  border-color: #c98918;
  box-shadow:
    0 0 0 3px rgba(201, 137, 24, .10),
    0 6px 18px rgba(201, 137, 24, .12);
}

.runtime-node.pending .node-status {
  background: #efd08a;
  color: #6d4b08;
}


/* BLOCKED */

.runtime-node.blocked {
  background: #fff0ef;
  border-color: #b42318;
  box-shadow: 0 5px 14px rgba(180, 35, 24, .08);
}

.runtime-node.blocked .node-status {
  background: #f7d4d0;
  color: #8e1b14;
}


/* PROTECTED */

.runtime-node.protected {
  background: #edf2f7;
  border-color: var(--navy);
}

.runtime-node.protected .node-status {
  background: var(--navy);
  color: #fff;
}


/* ERROR */

.runtime-node.error {
  background: #fff0ef;
  border-color: #b42318;
}

.runtime-node.error .node-status {
  background: #b42318;
  color: #fff;
}


@keyframes runtimePulse {
  0%,
  100% {
    box-shadow:
      0 0 0 2px rgba(181, 137, 46, .10),
      0 8px 22px rgba(8, 41, 82, .07);
  }

  50% {
    box-shadow:
      0 0 0 6px rgba(181, 137, 46, .22),
      0 10px 28px rgba(8, 41, 82, .13);
  }
}


/* =========================================================
   TRANSPARENCY MODES
   ========================================================= */

.governance-panel.stream-off .execution-flow,
.governance-panel.stream-off .runtime-event,
.governance-panel.stream-off .trace-grid,
.governance-panel.stream-off .live-trace {
  display: none;
}


/* =========================================================
   GOVERNANCE METADATA
   ========================================================= */

.trace-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  margin-top: 20px;
  background: var(--border);
  border: 1px solid var(--border);
}

.trace-grid > div {
  padding: 13px;
  background: #fff;
}

.trace-grid span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.trace-grid strong {
  color: var(--navy);
  font-size: 11px;
}

.demo-note {
  margin-top: 20px;
  padding: 14px 17px;
  border-left: 3px solid var(--gold);
  background: var(--gold-soft);
  color: #5e543b;
  font-size: 12px;
  line-height: 1.55;
}

/* RESPONSIVE */

/* Smaller desktop / laptop */
@media (max-width: 1250px) {

  .execution-flow {
    grid-template-columns: repeat(4, 1fr);
  }

  .flow-arrow {
    display: none;
  }
}


/* Tablet / narrow desktop */
@media (max-width: 1050px) {

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .execution-flow {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-arrow {
    display: none;
  }

  .trace-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* Mobile */
@media (max-width: 760px) {

  .bank-header {
    padding: 14px 20px;
  }

  .bank-nav {
    display: none;
  }

  .bank-user {
    margin-left: auto;
  }

  .bank-shell {
    padding: 28px 18px 50px;
  }

  .welcome-row {
    display: block;
  }

  .architecture-link {
    display: inline-block;
    margin-top: 18px;
  }

  .panel {
    padding: 20px;
  }

  .transaction-row {
    grid-template-columns: 70px 1fr 95px;
  }

  .execution-flow {
    grid-template-columns: 1fr;
  }

  .trace-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .runtime-event {
    grid-template-columns: 1fr;
  }

  .stream-control {
    align-items: flex-start;
    flex-direction: column;
  }
}

.live-trace {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.live-trace-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.live-trace-header h3 {
  margin: 0;
  color: var(--navy);
  font-size: 17px;
}

.trace-id {
  text-align: right;
}

.trace-id span {
  display: block;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
}

.trace-id strong {
  display: block;
  margin-top: 4px;
  color: var(--navy);
  font-family: Consolas, monospace;
  font-size: 11px;
}

.trace-row {
  display: grid;
  grid-template-columns: 100px 1fr 110px;
  gap: 14px;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
  font-size: 12px;
}

.trace-component {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .05em;
}

.trace-name {
  color: var(--navy);
  font-family: Consolas, monospace;
}

.trace-state {
  text-align: right;
  font-size: 10px;
  font-weight: 800;
}

.trace-state.success {
  color: var(--green);
}

.trace-state.called {
  color: var(--gold);
}

.trace-state.blocked,
.trace-state.error {
  color: #a33;
}

.trace-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 16px;
  border: 1px solid var(--border);
}

.trace-meta > div {
  padding: 12px;
  border-right: 1px solid var(--border);
}

.trace-meta > div:last-child {
  border-right: 0;
}

.trace-meta span {
  display: block;
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
}

.trace-meta strong {
  display: block;
  margin-top: 5px;
  color: var(--navy);
  font-size: 11px;
}

.status-dot.processing {
  background: var(--gold);
}

.status-dot.success {
  background: var(--green);
}

.status-dot.error {
  background: #a33;
}

@media (max-width: 760px) {
  .trace-row {
    grid-template-columns: 75px 1fr 85px;
  }

  .trace-meta {
    grid-template-columns: repeat(2, 1fr);
  }
}