/* ==========================================================================
   Waqar Trade Bot - dark trading UI
   ========================================================================== */

:root {
  --bg:            #0b0e13;
  --bg-elev:       #12161f;
  --bg-elev-2:     #171d28;
  --border:        #232b39;
  --border-soft:   #1b2230;

  --text:          #e6edf7;
  --text-dim:      #8b98ad;
  --text-faint:    #5d6b80;

  --accent:        #4c8dff;
  --accent-dim:    #21406e;

  --pos:           #35d07f;
  --neg:           #ff5f6d;
  --warn:          #ffb020;
  --neutral:       #7e8b9e;

  /* Row tints for trade results (spec section 8) */
  --win-bg:        rgba(53, 208, 127, 0.12);
  --loss-bg:       rgba(255, 95, 109, 0.12);
  --be-bg:         rgba(126, 139, 158, 0.12);

  --radius:        10px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 600; }
h1 { font-size: 1.05rem; letter-spacing: 0.01em; }
h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-dim); }
h3 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-faint); margin: 18px 0 8px; }

.sub { margin: 0; font-size: 0.72rem; color: var(--text-faint); }
.note { font-size: 0.75rem; color: var(--text-faint); margin: 10px 0 0; }
.disclaimer { font-size: 0.7rem; color: var(--text-faint); margin: 14px 0 0; font-style: italic; }
.detail-line { font-size: 0.75rem; color: var(--text-dim); margin: 12px 0 0; }
.error-text { color: var(--neg); font-size: 0.78rem; margin: 10px 0 0; }
.warn-text { color: var(--warn); font-size: 0.78rem; margin: 0 0 12px; font-weight: 600; }

/* ------------------------------------------------------------------ topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 20px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #2b5fb8);
  font-weight: 700; font-size: 0.8rem; letter-spacing: 0.03em;
}
.topbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.user { font-size: 0.78rem; color: var(--text-dim); }

.env-badge {
  padding: 4px 10px; border-radius: 999px;
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em;
}
.env-demo { background: var(--accent-dim); color: #9dc0ff; border: 1px solid #2f5a9e; }
.env-live { background: rgba(255, 95, 109, 0.16); color: #ff9ba3; border: 1px solid #7a2b32; }

.pill {
  padding: 4px 10px; border-radius: 999px;
  background: var(--bg-elev-2); border: 1px solid var(--border);
  font-family: var(--mono); font-size: 0.7rem; color: var(--text-dim);
}
.pill.ok    { color: var(--pos); border-color: rgba(53, 208, 127, 0.35); }
.pill.bad   { color: var(--neg); border-color: rgba(255, 95, 109, 0.35); }
.pill.warn  { color: var(--warn); border-color: rgba(255, 176, 32, 0.35); }

.live-banner {
  background: repeating-linear-gradient(45deg, #5a1b20, #5a1b20 12px, #6d2128 12px, #6d2128 24px);
  color: #ffd9dc; text-align: center; padding: 7px;
  font-weight: 700; font-size: 0.74rem; letter-spacing: 0.14em;
}

/* -------------------------------------------------------------------- grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px; padding: 16px; max-width: 1800px; margin: 0 auto;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px 18px;
}
.card-wide { grid-column: span 2; }
.card-full { grid-column: 1 / -1; }
@media (max-width: 900px) {
  .card-wide, .card-full { grid-column: 1 / -1; }
}

/* ---------------------------------------------------------------- key/value */
.kv-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; margin-top: 14px;
  background: var(--border-soft); border: 1px solid var(--border-soft);
  border-radius: 8px; overflow: hidden;
}
.kv-grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 700px) { .kv-grid, .kv-grid-3 { grid-template-columns: 1fr; } }

.kv {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 8px 12px; background: var(--bg-elev);
}
.kv .k { color: var(--text-faint); font-size: 0.73rem; white-space: nowrap; }
.kv .v { font-family: var(--mono); font-size: 0.8rem; text-align: right; word-break: break-all; }

.pos { color: var(--pos); }
.neg { color: var(--neg); }
.neu { color: var(--neutral); }
.warnc { color: var(--warn); }

/* ---------------------------------------------------------------- position */
.empty-state {
  margin-top: 16px; padding: 34px 16px; text-align: center;
  border: 1px dashed var(--border); border-radius: 8px;
  color: var(--text-faint); font-family: var(--mono);
  font-size: 0.82rem; letter-spacing: 0.12em;
}
.empty-state.small { padding: 20px; font-size: 0.74rem; letter-spacing: 0.06em; }

.pos-head { display: flex; align-items: center; gap: 12px; margin: 12px 0 4px; flex-wrap: wrap; }
.dir-badge {
  padding: 4px 12px; border-radius: 6px;
  font-weight: 700; font-size: 0.74rem; letter-spacing: 0.08em;
  background: var(--bg-elev-2); border: 1px solid var(--border);
}
.dir-badge.long  { color: var(--pos); border-color: rgba(53, 208, 127, 0.4); background: var(--win-bg); }
.dir-badge.short { color: var(--neg); border-color: rgba(255, 95, 109, 0.4); background: var(--loss-bg); }
.pos-symbol { font-family: var(--mono); font-size: 0.95rem; }
.pos-pnl-wrap { margin-left: 12px; display: flex; flex-direction: column; align-items: flex-end; line-height: 1.15; }
.pos-pnl { font-family: var(--mono); font-size: 1.3rem; font-weight: 600; }
.pos-pnl-label { font-size: 0.6rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.07em; }
/* Close button sits immediately left of the P&L, pushed to the right edge. */
.btn-close-pos { margin-left: auto; padding: 6px 14px; font-size: 0.74rem; }
#pos-live.stale { color: var(--warn); border-color: rgba(255, 176, 32, 0.45); }

.reasons { margin-top: 14px; }
.reasons ul { margin: 0; padding-left: 18px; }
.reasons li { font-size: 0.76rem; color: var(--text-dim); margin-bottom: 3px; }

/* ------------------------------------------------------------- performance */
.perf-split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 800px) { .perf-split { grid-template-columns: 1fr; } }

.stat-row { display: flex; flex-wrap: wrap; gap: 8px; }
.stat {
  flex: 1 1 90px; display: flex; flex-direction: column; gap: 3px;
  padding: 10px 12px; background: var(--bg-elev-2);
  border: 1px solid var(--border-soft); border-radius: 8px;
}
.s-label { font-size: 0.66rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.s-value { font-family: var(--mono); font-size: 1.02rem; font-weight: 600; }

/* ------------------------------------------------------------- topbar ticker */
.ticker {
  display: flex; align-items: baseline; gap: 8px;
  padding: 4px 12px; border-radius: 999px;
  background: var(--bg-elev-2); border: 1px solid var(--border);
  font-family: var(--mono);
}
.ticker-sym   { font-size: 0.66rem; color: var(--text-faint); letter-spacing: 0.06em; }
.ticker-price { font-size: 0.86rem; font-weight: 600; color: var(--text); }
.ticker-chg   { font-size: 0.68rem; }
.ticker-price.tick-up   { animation: flash-up 0.6s ease-out; }
.ticker-price.tick-down { animation: flash-down 0.6s ease-out; }
@keyframes flash-up   { from { color: var(--pos); } to { color: var(--text); } }
@keyframes flash-down { from { color: var(--neg); } to { color: var(--text); } }

/* -------------------------------------------------------- validation panel */
.validation-panel { margin-top: 12px; }
.progress-track {
  height: 8px; border-radius: 999px; overflow: hidden;
  background: var(--bg); border: 1px solid var(--border-soft);
}
.progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), #6fb0ff);
  transition: width 0.4s ease;
}
.progress-bar.done-ok  { background: linear-gradient(90deg, var(--pos), #7fe3b0); }
.progress-bar.done-bad { background: linear-gradient(90deg, var(--neg), #ff9ba3); }
.val-verdict {
  margin: 10px 0 0; padding: 10px 12px; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--border-soft);
  font-family: var(--mono); font-size: 0.7rem; color: var(--text-dim);
  white-space: pre-wrap; word-break: break-word; max-height: 220px; overflow-y: auto;
}

/* --------------------------------------------------------------- exchange */
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.btn-sm { padding: 5px 11px; font-size: 0.72rem; }
.env-switch-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 14px 0 4px; padding: 12px 14px;
  background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: 8px;
}
.env-switch-row .k { color: var(--text-faint); font-size: 0.73rem; }
#card-exchange .settings-grid { grid-template-columns: 1fr 1fr; }
@media (max-width: 700px) { #card-exchange .settings-grid { grid-template-columns: 1fr; } }

/* ----------------------------------------------------------------- account */
/* Two forms side by side on the full-width card, stacking when narrow. */
.account-split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 900px) { .account-split { grid-template-columns: 1fr; gap: 8px; } }
#card-account .settings-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
#card-account .note { max-width: 62ch; }

/* ----------------------------------------------------------------- signals */
.signals-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.signal-row {
  padding: 10px 12px; background: var(--bg-elev-2);
  border: 1px solid var(--border-soft); border-left-width: 3px; border-radius: 6px;
}
.signal-row.accepted { border-left-color: var(--pos); }
.signal-row.rejected { border-left-color: var(--text-faint); }
.signal-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.signal-score { font-family: var(--mono); font-weight: 700; font-size: 0.95rem; }
.signal-time { margin-left: auto; font-family: var(--mono); font-size: 0.68rem; color: var(--text-faint); }
.signal-meta { font-size: 0.72rem; color: var(--text-dim); margin-top: 5px; }
.signal-reason { font-size: 0.72rem; color: var(--text-faint); margin-top: 4px; font-style: italic; }
.components { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.comp {
  font-family: var(--mono); font-size: 0.65rem; padding: 2px 7px; border-radius: 4px;
  background: var(--bg); border: 1px solid var(--border-soft); color: var(--text-dim);
}

/* ------------------------------------------------------------------ tables */
.table-scroll { overflow-x: auto; margin-top: 12px; border-radius: 8px; border: 1px solid var(--border-soft); }
.trades-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 0.73rem; }
.trades-table th {
  position: sticky; top: 0; background: var(--bg-elev-2);
  text-align: right; padding: 9px 10px; white-space: nowrap;
  font-size: 0.63rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-faint); font-weight: 600; border-bottom: 1px solid var(--border);
}
.trades-table th:nth-child(-n+3) { text-align: left; }
.trades-table td {
  padding: 8px 10px; text-align: right; white-space: nowrap;
  border-bottom: 1px solid var(--border-soft);
}
.trades-table td:nth-child(-n+3) { text-align: left; }
.trades-table tbody tr:hover { background: rgba(76, 141, 255, 0.06); }

.row-win  { background: var(--win-bg); }
.row-loss { background: var(--loss-bg); }
.row-be   { background: var(--be-bg); }

.empty-cell { text-align: center !important; color: var(--text-faint); padding: 26px !important; font-family: var(--sans); }
.tag { padding: 2px 7px; border-radius: 4px; font-size: 0.66rem; font-weight: 700; letter-spacing: 0.04em; }
.tag-long  { background: rgba(53, 208, 127, 0.18); color: var(--pos); }
.tag-short { background: rgba(255, 95, 109, 0.18); color: var(--neg); }
.tag-win   { background: rgba(53, 208, 127, 0.22); color: var(--pos); }
.tag-loss  { background: rgba(255, 95, 109, 0.22); color: var(--neg); }
.tag-be    { background: rgba(126, 139, 158, 0.22); color: var(--neutral); }
.tag-open  { background: rgba(76, 141, 255, 0.2); color: #9dc0ff; }

/* -------------------------------------------------------------------- logs */
.log-list { margin-top: 12px; max-height: 320px; overflow-y: auto; font-family: var(--mono); font-size: 0.71rem; }
.log-row { display: flex; gap: 10px; padding: 5px 8px; border-bottom: 1px solid var(--border-soft); }
.log-time { color: var(--text-faint); white-space: nowrap; }
.log-level { width: 62px; flex-shrink: 0; font-weight: 700; }
.log-src { width: 100px; flex-shrink: 0; color: var(--text-faint); }
.log-msg { color: var(--text-dim); word-break: break-word; }
.lvl-INFO { color: var(--accent); }
.lvl-WARNING { color: var(--warn); }
.lvl-ERROR, .lvl-CRITICAL { color: var(--neg); }
.lvl-DEBUG { color: var(--text-faint); }

/* ----------------------------------------------------------------- buttons */
.control-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.btn {
  padding: 8px 14px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg-elev-2); color: var(--text);
  font-family: inherit; font-size: 0.78rem; font-weight: 600;
  cursor: pointer; transition: filter 0.12s ease, opacity 0.12s ease;
}
.btn:hover:not(:disabled) { filter: brightness(1.25); }
.btn:disabled { opacity: 0.42; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #06101f; }
.btn-success { background: rgba(53, 208, 127, 0.16); border-color: rgba(53, 208, 127, 0.45); color: var(--pos); }
.btn-warn    { background: rgba(255, 176, 32, 0.14); border-color: rgba(255, 176, 32, 0.4); color: var(--warn); }
.btn-danger  { background: rgba(255, 95, 109, 0.16); border-color: rgba(255, 95, 109, 0.45); color: var(--neg); }
.btn-ghost   { background: transparent; color: var(--text-dim); }

/* ---------------------------------------------------------------- settings */
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; margin-top: 12px; }
.setting { display: flex; flex-direction: column; gap: 4px; }
.setting label { font-size: 0.68rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.05em; }
.setting input, .setting select {
  padding: 7px 9px; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  font-family: var(--mono); font-size: 0.78rem;
}
.setting input:focus, .setting select:focus { outline: none; border-color: var(--accent); }

/* ------------------------------------------------------------------- toast */
.toast {
  position: fixed; right: 18px; bottom: 18px; z-index: 200;
  max-width: 420px; padding: 12px 16px; border-radius: 8px;
  background: var(--bg-elev-2); border: 1px solid var(--border);
  font-size: 0.78rem; box-shadow: 0 10px 34px rgba(0, 0, 0, 0.55);
}
.toast.ok  { border-color: rgba(53, 208, 127, 0.5); color: var(--pos); }
.toast.err { border-color: rgba(255, 95, 109, 0.5); color: var(--neg); }

/* -------------------------------------------------------------------- foot */
.foot {
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  padding: 14px 20px; border-top: 1px solid var(--border);
  color: var(--text-faint); font-size: 0.7rem;
}

/* ------------------------------------------------------------------- login */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  width: min(380px, 92vw); padding: 30px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px;
}
.login-head { text-align: center; margin-bottom: 22px; }
.login-head h1 { font-size: 1.2rem; margin-bottom: 4px; }
.login-head .env-badge { display: inline-block; margin-top: 12px; }
#login-form { display: flex; flex-direction: column; gap: 6px; }
#login-form label { font-size: 0.68rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 10px; }
#login-form input {
  padding: 10px 12px; border-radius: 7px;
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  font-size: 0.86rem;
}
#login-form input:focus { outline: none; border-color: var(--accent); }
#login-form button {
  margin-top: 20px; padding: 11px; border-radius: 7px; border: none;
  background: var(--accent); color: #06101f;
  font-weight: 700; font-size: 0.84rem; cursor: pointer;
}
#login-form button:disabled { opacity: 0.6; cursor: not-allowed; }
.login-foot { margin-top: 20px; text-align: center; }
.login-foot p { font-size: 0.66rem; color: var(--text-faint); font-style: italic; margin: 0; }

/* A period with no trades is an absence of data, not a measured zero. */
.trades-table tbody tr.row-empty td { opacity: 0.45; }