/* ───────────────────────────────────────────────────────────
   AR3NA — Web portal v0.2.0
   Light theme = paper warmth. Dark theme = late-night focus.
   Switching is via data-theme on <html>.
   ─────────────────────────────────────────────────────────── */

html, body { height: 100%; }
*, *::before, *::after { box-sizing: border-box; }

body {
  background: var(--surface-base);
  color: var(--ink);
  font-family: var(--font-body);
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}

.hidden { display: none !important; }

/* ───────── DARK THEME OVERRIDES ─────────
   tokens.css ships with the light (paper) palette. We override
   the surface + ink roles for dark mode here. Coral stays coral. */
:root[data-theme="dark"] {
  --paper:        #15171b;
  --paper-warm:   #0e1014;
  --paper-deep:   #1d2026;
  --paper-tint:   #1a1d22;
  --ink:          #ece6da;
  --ink-soft:     #b8ada0;
  --ink-mute:     #8a7f73;
  --ink-faint:    #5a544c;

  --surface-base: var(--paper-warm);
  --surface-card: var(--paper);

  /* Mint as accent on dark feels cleaner than coral; coral stays as alert */
  --accent: #5ec9a8;
  --accent-alert: var(--coral);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3), 0 2px 6px rgba(0,0,0,0.25);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.35), 0 8px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.5), 0 16px 48px rgba(0,0,0,0.4);
}

/* ───────── App layout ───────── */

#app {
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: 100vh;
}

@media (max-width: 720px) {
  #app { grid-template-columns: 1fr; }
  #sidebar { display: none; }
}

/* ───────── Sidebar ───────── */

#sidebar {
  background: var(--surface-card);
  border-right: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  padding: 28px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sidebar-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--ink);
  padding: 0 4px 4px;
}
.brand-prefix { color: var(--coral); }
.brand-suffix { font-style: italic; }

.sidebar-brain-tag {
  font-size: 11px;
  color: var(--ink-mute);
  padding: 0 4px 14px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 7%, transparent);
  letter-spacing: 0.02em;
}
.sidebar-brain-tag span {
  color: var(--ink-soft);
  font-weight: 500;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.nav-item:hover {
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  color: var(--ink);
}
.nav-item.active {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--ink);
  font-weight: 500;
}
.nav-item svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.8;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, var(--ink) 7%, transparent);
}

.kill-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--neg) 50%, transparent);
  color: var(--neg);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.kill-switch:hover { background: var(--neg-tint); }
.kill-switch svg {
  width: 16px; height: 16px;
  fill: none; stroke: currentColor;
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}

.sidebar-version {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  text-align: center;
}

/* ───────── Main content ───────── */

#content {
  padding: 32px 40px;
  overflow-y: auto;
  max-height: 100vh;
}

.page { display: none; }
.page.active { display: block; }

@media (max-width: 720px) {
  #content { padding: 20px; }
}

/* ───────── Login overlay ───────── */

.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--surface-base);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-card {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: min(380px, 90vw);
  box-shadow: var(--shadow-lg);
  text-align: left;
}

.login-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--coral);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.login-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--ink);
}

.login-body {
  font-size: 14px;
  color: var(--ink-mute);
  margin-bottom: 22px;
}

.login-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--ink) 14%, transparent);
  border-radius: var(--radius-sm);
  background: var(--surface-base);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  margin-bottom: 14px;
}
.login-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.login-button {
  width: 100%;
  padding: 12px;
  background: var(--coral);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity var(--dur-fast);
}
.login-button:hover { opacity: 0.9; }
.login-button:disabled { opacity: 0.5; cursor: not-allowed; }

.login-error {
  color: var(--neg);
  font-size: 13px;
  margin-top: 12px;
  min-height: 18px;
}

/* ───────── Modal ───────── */

#modal-overlay {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--ink) 40%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
}

#modal-box {
  background: var(--surface-card);
  border-radius: var(--radius-lg);
  width: min(540px, 90vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

#modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 7%, transparent);
}

#modal-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  margin: 0;
  color: var(--ink);
}

#modal-close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--ink-mute);
  cursor: pointer;
  padding: 4px 8px;
}
#modal-close:hover { color: var(--ink); }

#modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
  color: var(--ink);
}

/* ───────── Toast ───────── */

#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1100;
}

.toast {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-card);
  color: var(--ink);
  box-shadow: var(--shadow-md);
  font-size: 14px;
  border-left: 3px solid var(--coral);
  animation: toast-in 0.2s var(--ease-out);
}
.toast.success { border-left-color: var(--pos); }
.toast.error   { border-left-color: var(--neg); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ───────── Headers & titles ───────── */

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
}
.page-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
.page-subtitle {
  font-size: 13px;
  color: var(--ink-mute);
  font-family: var(--font-mono);
}

/* ───────── Cards ───────── */

.card {
  background: var(--surface-card);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}

.card-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 8px;
}

.card-mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
}

.pos { color: var(--pos); }
.neg { color: var(--neg); }
.muted { color: var(--ink-mute); }

/* ───────── Dashboard headline & grid ───────── */

.dash-headline {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.dash-headline .page-title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}

.combined-equity {
  text-align: right;
}
.dash-equity-number {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.dash-grid .equity-chart-card { grid-column: 1; }
.dash-grid .brain-card        { grid-column: 2; grid-row: 1 / span 2; }
.dash-grid .market-pulse-card { grid-column: 1; }

@media (max-width: 900px) {
  .dash-grid { grid-template-columns: 1fr; }
  .dash-grid .equity-chart-card,
  .dash-grid .brain-card,
  .dash-grid .market-pulse-card { grid-column: 1; grid-row: auto; }
}

/* ───────── Equity chart card ───────── */

.equity-chart-card .card-header {
  margin-bottom: 14px;
}
#equity-chart, #equity-page-chart {
  min-height: 180px;
  width: 100%;
}
.chart-empty {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  padding: 40px 0;
  text-align: center;
}
.chart-footer {
  margin-top: 12px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
}

/* ───────── Brain card ───────── */

.brain-card {
  border-top: 2px solid var(--coral);
  padding-top: 20px;
}
.brain-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 16px;
}
.brain-name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brain-model {
  font-size: 11px;
  letter-spacing: 0.05em;
}
.brain-controls {
  display: flex;
  gap: 4px;
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  padding: 3px;
  border-radius: var(--radius-pill);
}
.ctrl-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 6px 11px;
  background: transparent;
  border: none;
  color: var(--ink-mute);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--dur-fast);
}
.ctrl-btn.active {
  background: var(--surface-card);
  color: var(--accent);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.ctrl-btn:hover:not(.active) { color: var(--ink-soft); }

.brain-equity {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-top: 8px;
}
.brain-pnl {
  font-size: 13px;
  margin-top: 6px;
}
.brain-divider {
  border: none;
  border-top: 1px solid color-mix(in srgb, var(--coral) 40%, transparent);
  margin: 18px 0;
}

.latest-decision {
  margin-top: 8px;
}
.latest-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.latest-action {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  text-transform: capitalize;
}
.latest-time {
  font-size: 11px;
  color: var(--ink-mute);
}
.latest-reasoning {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: 12px;
}
.latest-plain {
  padding: 10px 14px;
  background: color-mix(in srgb, var(--coral) 7%, transparent);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--ink-soft);
  font-style: italic;
  line-height: 1.55;
  border-left: 3px solid color-mix(in srgb, var(--coral) 50%, transparent);
}

.watching-block {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, var(--ink) 7%, transparent);
}
.watch-line {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  line-height: 1.5;
}
.watch-tag {
  display: inline-block;
  font-size: 9px;
  letter-spacing: 0.15em;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  margin-right: 8px;
  vertical-align: 1px;
}
.watch-tag.long  { background: var(--pos-tint); color: var(--pos); }
.watch-tag.short { background: var(--neg-tint); color: var(--neg); }
.watch-tag.close { background: var(--neutral-tint); color: var(--neutral); }

/* ───────── Market pulse card ───────── */

.market-pulse-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 8px;
}
.pulse-tile {
  padding: 14px 12px;
  background: color-mix(in srgb, var(--ink) 3%, transparent);
  border-radius: var(--radius-sm);
}
.pulse-asset {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.pulse-price {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.pulse-label {
  font-size: 10px;
  color: var(--pos);
  margin-top: 4px;
}

/* ───────── List items (decisions, trades, equity) ───────── */

.list-item {
  padding: 14px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 6%, transparent);
}
.list-item:last-child { border-bottom: none; }
.list-item-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}
.list-item-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  text-transform: capitalize;
}
.list-item-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
}
.list-item-body {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.list-item-plain {
  margin-top: 8px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--coral) 7%, transparent);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--ink-soft);
  font-style: italic;
  border-left: 3px solid color-mix(in srgb, var(--coral) 50%, transparent);
}

/* ───────── Settings page ───────── */

.settings-help {
  font-size: 13px;
  color: var(--ink-mute);
  margin: 4px 0 14px;
  line-height: 1.5;
}
.settings-help em {
  color: var(--accent);
  font-style: italic;
  font-weight: 500;
}
.settings-input {
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--ink) 14%, transparent);
  border-radius: var(--radius-sm);
  background: var(--surface-base);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  flex: 1;
  min-width: 0;
}
.settings-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.settings-error {
  color: var(--neg);
  font-size: 12px;
  margin-top: 8px;
  min-height: 16px;
}

.brain-name-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-primary, .btn-ghost, .btn-danger {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--dur-fast);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--coral);
  color: white;
}
.btn-primary:hover { opacity: 0.9; }

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: color-mix(in srgb, var(--ink) 12%, transparent);
}
.btn-ghost:hover {
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  color: var(--ink);
}

.btn-danger {
  background: var(--neg);
  color: white;
}
.btn-danger:hover { opacity: 0.9; }

/* Mode row */
.mode-row, .cadence-row, .plain-english-row, .theme-row {
  display: grid;
  gap: 10px;
}
.mode-row { grid-template-columns: repeat(3, 1fr); }
.cadence-row { grid-template-columns: repeat(3, 1fr); }
.plain-english-row { grid-template-columns: 1fr 1fr; }
.theme-row { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 720px) {
  .mode-row, .cadence-row, .theme-row { grid-template-columns: 1fr; }
  .plain-english-row { grid-template-columns: 1fr; }
}

.mode-btn, .cadence-btn, .pe-btn, .theme-btn {
  padding: 14px 16px;
  background: color-mix(in srgb, var(--ink) 3%, transparent);
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: all var(--dur-fast);
}
.mode-btn:hover, .cadence-btn:hover, .pe-btn:hover, .theme-btn:hover {
  background: color-mix(in srgb, var(--ink) 5%, transparent);
}
.mode-btn.active, .cadence-btn.active, .pe-btn.active, .theme-btn.active {
  border-color: var(--accent);
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.mode-btn {
  text-align: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
}

.cadence-name, .pe-name, .theme-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--ink);
}
.cadence-sub, .pe-sub, .theme-sub {
  font-size: 11px;
}
.pe-btn.active .pe-name { color: var(--accent); }
.cadence-btn.active .cadence-name { color: var(--accent); }
.theme-btn.active .theme-name { color: var(--accent); }

/* v0.2.1: explicit colour on inactive theme labels so Light/Dark/Auto
   all read with equal weight regardless of theme. The button-container
   transparency was bleeding through and washing out the inactive state. */
.theme-btn .theme-name { color: var(--ink); }
.theme-btn .theme-sub { color: var(--ink-mute); }
.theme-btn { color: var(--ink); }
.mode-btn { color: var(--ink); }
.mode-btn.active { color: var(--ink); }
.cadence-btn .cadence-name { color: var(--ink); }
.cadence-btn .cadence-sub { color: var(--ink-mute); }
.pe-btn .pe-name { color: var(--ink); }
.pe-btn .pe-sub { color: var(--ink-mute); }
.theme-btn.active .theme-name,
.cadence-btn.active .cadence-name,
.pe-btn.active .pe-name { color: var(--accent); }

.pe-savings {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  padding: 2px 6px;
  border-radius: 3px;
  background: color-mix(in srgb, var(--pos) 12%, transparent);
  color: var(--pos);
  margin-left: 6px;
  vertical-align: 3px;
}

.cost-block {
  margin-top: 14px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.6;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 24px;
  font-size: 13px;
}
.about-grid .muted {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
