/* ============================================================
   Kelly Design System v2 — Bloomberg Terminal meets Linear.app
   Dense, dark, professional. Every pixel intentional.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-0: #07070f;
  --bg-1: #0d0d1a;
  --bg-2: #131320;
  --bg-3: #1a1a2e;
  --bg-4: #222238;

  /* Borders */
  --border-subtle:  #1e1e32;
  --border-default: #2a2a45;
  --border-strong:  #3a3a5c;

  /* Brand */
  --kelly-green: #00c896;
  --kelly-dim:   #00956e;
  --kelly-glow:  rgba(0, 200, 150, 0.15);

  /* Semantic */
  --profit:  #00c896;
  --loss:    #ff4560;
  --neutral: #6b6b8a;
  --warning: #ffb547;
  --info:    #4d9fff;

  /* Text */
  --text-1:    #f0f0ff;
  --text-2:    #9999bb;
  --text-3:    #5a5a7a;
  --text-mono: #c8c8f0;

  /* Typography */
  --font-ui:   'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Shape */
  --radius:    6px;
  --radius-sm: 4px;
  --radius-lg: 10px;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-ui);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--kelly-green); text-decoration: none; }
a:hover { color: var(--kelly-dim); }

/* ── Topbar ─────────────────────────────────────────────────── */
.k-topbar {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border-subtle);
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 0;
}

.k-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--kelly-green);
  letter-spacing: 0.15em;
  margin-right: 32px;
  flex-shrink: 0;
  text-decoration: none;
}
.k-logo:hover { color: var(--kelly-green); }

.k-nav-top {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.k-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: var(--radius);
  transition: color 0.12s, background 0.12s;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px; /* sit on topbar border */
}
.k-nav-link:hover { color: var(--text-1); background: var(--bg-3); }
.k-nav-link.active {
  color: var(--kelly-green);
  border-bottom-color: var(--kelly-green);
  background: transparent;
}

.k-topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
  flex-shrink: 0;
}

.k-market-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.k-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.k-dot--open   { background: var(--profit); box-shadow: 0 0 6px var(--profit); }
.k-dot--closed { background: var(--loss); }
.k-dot--pre    { background: var(--warning); }

.k-clock {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: 0.03em;
}

.k-signout {
  font-size: 12px;
  color: var(--text-3);
  text-decoration: none;
}
.k-signout:hover { color: var(--text-2); }

/* ── Bottom tab bar (mobile) ────────────────────────────────── */
.k-nav-bottom {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--bg-1);
  border-top: 1px solid var(--border-subtle);
  height: 56px;
  align-items: stretch;
}

.k-nav-bottom a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 10px;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.12s;
  border-top: 2px solid transparent;
}
.k-nav-bottom a.active {
  color: var(--kelly-green);
  border-top-color: var(--kelly-green);
}
.k-nav-bottom a:hover { color: var(--text-2); }
.k-nav-bottom svg { opacity: 0.8; }

/* ── Page wrapper ───────────────────────────────────────────── */
.k-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 24px 40px;
}

.k-page-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

/* ── Cards ──────────────────────────────────────────────────── */
.k-card {
  background: var(--bg-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}

.k-card--highlight {
  border-left: 3px solid var(--kelly-green);
}

.k-card-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.k-card-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

/* ── Stat display ───────────────────────────────────────────── */
.k-stat {}

.k-stat__label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.k-stat__value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.k-stat__sub {
  font-size: 12px;
  color: var(--text-2);
  margin-top: 5px;
}

/* ── Badges ─────────────────────────────────────────────────── */
.k-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.k-badge--open   { background: rgba(0,200,150,0.10);  color: var(--profit);  }
.k-badge--closed { background: rgba(255,69,96,0.10);  color: var(--loss);    }
.k-badge--pre    { background: rgba(255,181,71,0.10); color: var(--warning); }
.k-badge--buy    { background: rgba(0,200,150,0.10);  color: var(--profit);  }
.k-badge--sell   { background: rgba(255,69,96,0.10);  color: var(--loss);    }
.k-badge--gray   { background: rgba(107,107,138,0.15); color: var(--text-2); }

/* ── Tables ─────────────────────────────────────────────────── */
.k-table-wrap { overflow-x: auto; }

.k-table {
  width: 100%;
  border-collapse: collapse;
}

.k-table th {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-default);
  white-space: nowrap;
  background: transparent;
}

.k-table th.r, .k-table td.r { text-align: right; }

.k-table td {
  font-size: 13px;
  color: var(--text-1);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.k-table td.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-mono);
}

.k-table tbody tr:hover { background: var(--bg-3); cursor: default; }
.k-table tbody tr:last-child td { border-bottom: none; }

/* ── Forms ──────────────────────────────────────────────────── */
.k-field { margin-bottom: 14px; }

.k-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 5px;
}

.k-input, .k-select {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border-default);
  color: var(--text-1);
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--font-ui);
  border-radius: var(--radius);
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
}

.k-input:focus, .k-select:focus {
  outline: none;
  border-color: var(--kelly-green);
  box-shadow: 0 0 0 3px var(--kelly-glow);
}

.k-input::placeholder { color: var(--text-3); }
.k-input[type="number"] { font-family: var(--font-mono); }

/* ── Buttons ────────────────────────────────────────────────── */
.k-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.12s;
  letter-spacing: 0.02em;
}

.k-btn--primary {
  background: var(--kelly-green);
  color: #050a0a;
}
.k-btn--primary:hover { filter: brightness(1.12); }

.k-btn--ghost {
  background: transparent;
  border: 1px solid var(--kelly-green);
  color: var(--kelly-green);
}
.k-btn--ghost:hover { background: var(--kelly-glow); }

.k-btn--danger {
  background: rgba(255,69,96,0.12);
  border: 1px solid rgba(255,69,96,0.3);
  color: var(--loss);
}
.k-btn--danger:hover { background: rgba(255,69,96,0.2); }

.k-btn--sm {
  padding: 5px 10px;
  font-size: 11px;
}

/* ── Tab bar ────────────────────────────────────────────────── */
.k-tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-default);
  margin-bottom: 20px;
}

.k-tab {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-ui);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.12s;
  white-space: nowrap;
}
.k-tab:hover { color: var(--text-1); }
.k-tab.active {
  color: var(--kelly-green);
  border-bottom-color: var(--kelly-green);
}

/* ── Grids ──────────────────────────────────────────────────── */
.k-gap    { gap: 16px; }
.k-gap-sm { gap: 10px; }

.k-stat-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, 1fr);
}

.k-two-col {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
}

.k-calc-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 400px 1fr;
  align-items: start;
}

/* ── Spacers ────────────────────────────────────────────────── */
.k-mt-4  { margin-top: 4px; }
.k-mt-8  { margin-top: 8px; }
.k-mt-12 { margin-top: 12px; }
.k-mt-16 { margin-top: 16px; }
.k-mt-20 { margin-top: 20px; }
.k-mb-16 { margin-bottom: 16px; }
.k-mb-20 { margin-bottom: 20px; }

/* ── Color utilities ────────────────────────────────────────── */
.profit  { color: var(--profit); }
.loss    { color: var(--loss); }
.warning { color: var(--warning); }
.muted   { color: var(--text-2); }
.dim     { color: var(--text-3); }
.mono    { font-family: var(--font-mono); }

/* ── Flash animations ───────────────────────────────────────── */
@keyframes flash-up {
  0%, 100% { background: transparent; }
  50%       { background: rgba(0, 200, 150, 0.20); }
}
@keyframes flash-down {
  0%, 100% { background: transparent; }
  50%       { background: rgba(255, 69, 96, 0.20); }
}
.flash-up   { animation: flash-up   0.6s ease; }
.flash-down { animation: flash-down 0.6s ease; }

/* ── Divider ────────────────────────────────────────────────── */
.k-divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 12px 0;
}

/* ── Charge breakdown rows ──────────────────────────────────── */
.k-charge-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--border-subtle);
}
.k-charge-row:last-child { border-bottom: none; }
.k-charge-row .label { color: var(--text-2); }
.k-charge-row .val   { font-family: var(--font-mono); color: var(--text-mono); }

.k-charge-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 600;
  border-top: 1px solid var(--border-default);
  margin-top: 4px;
}
.k-charge-total .label { color: var(--text-1); }
.k-charge-total .val   { font-family: var(--font-mono); font-size: 15px; }

.k-net-pnl {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0 4px;
}
.k-net-pnl .label { font-size: 13px; font-weight: 600; color: var(--text-1); }
.k-net-pnl .val   {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

/* ── Login page ─────────────────────────────────────────────── */
.k-login-bg {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0,200,150,0.04) 0%, transparent 70%),
    var(--bg-0);
}

.k-login-card {
  width: 360px;
  background: var(--bg-1);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}

.k-login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.k-login-logotype {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 500;
  color: var(--kelly-green);
  letter-spacing: 0.15em;
  display: block;
  line-height: 1;
}

.k-login-sub {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.05em;
  margin-top: 6px;
}

.k-alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 14px;
}
.k-alert--error {
  background: rgba(255,69,96,0.10);
  border: 1px solid rgba(255,69,96,0.25);
  color: var(--loss);
}

.k-login-foot {
  text-align: center;
  margin-top: 24px;
  font-size: 11px;
  color: var(--text-3);
  line-height: 1.6;
}

/* ── Watchlist live indicator ───────────────────────────────── */
.k-live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-3);
}
.k-live-indicator.connected { color: var(--profit); }
.k-live-indicator .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-3);
}
.k-live-indicator.connected .dot {
  background: var(--profit);
  box-shadow: 0 0 5px var(--profit);
}

/* ── WL card header row ─────────────────────────────────────── */
.k-card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

/* ── Empty state ────────────────────────────────────────────── */
.k-empty {
  padding: 32px;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
}

/* ── Search row ─────────────────────────────────────────────── */
.k-search-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.k-search-row .k-input {
  max-width: 280px;
  padding: 8px 12px;
  font-size: 13px;
}

/* ── Trade expandable row ───────────────────────────────────── */
.k-trade-detail {
  display: none;
  background: var(--bg-2);
}
.k-trade-detail.open { display: table-row; }
.k-trade-detail td {
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-subtle);
}
.k-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px 20px;
}
.k-detail-item .label { font-size: 10px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; }
.k-detail-item .val   { font-family: var(--font-mono); font-size: 13px; color: var(--text-mono); margin-top: 2px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (min-width: 1024px) {
  .k-stat-grid  { grid-template-columns: repeat(4, 1fr); }
  .k-two-col    { grid-template-columns: 1fr 1fr; }
  .k-calc-grid  { grid-template-columns: 400px 1fr; }
  .k-nav-bottom { display: none; }
}

@media (max-width: 1023px) and (min-width: 768px) {
  .k-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .k-two-col   { grid-template-columns: 1fr; }
  .k-calc-grid { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
  .k-stat-grid  { grid-template-columns: repeat(2, 1fr); }
  .k-nav-top    { display: none; }
  .k-nav-bottom { display: flex; }
  body          { padding-bottom: 64px; }

  .k-page { padding: 16px 16px 32px; }
  .k-topbar { padding: 0 16px; }
  .k-topbar-right .k-clock { display: block; }
  .k-topbar-right .k-signout { display: none; }
  .k-logo { margin-right: 0; }

  .k-card { padding: 16px; }
  .k-stat__value { font-size: 22px; }
  .k-calc-grid { grid-template-columns: 1fr; }
  .k-two-col   { grid-template-columns: 1fr; }

  .k-search-row .k-input { max-width: 100%; }
}

@media (max-width: 479px) {
  .k-stat-grid  { grid-template-columns: 1fr 1fr; }
  .k-stat__value { font-size: 20px; }
}