/* ============================================================
   MultiCombo Screener — Theme dark TradingView-like
   ============================================================ */

:root {
  --bg:           #131722;
  --bg-elev:      #1c2030;
  --bg-elev-2:    #232737;
  --border:       #2a2e39;
  --text:         #d1d4dc;
  --text-dim:     #787b86;
  --accent:       #2962ff;
  --accent-soft:  #1e3a8a;
  --green:        #26a69a;
  --red:          #ef5350;
  --yellow:       #ffb74d;
  --shadow:       0 4px 12px rgba(0,0,0,.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  overflow: hidden;
}

.hidden { display: none !important; }

.muted { color: var(--text-dim); }

.screen {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
}

/* ---------- Login ---------- */

#login-screen {
  align-items: center; justify-content: center;
  background: radial-gradient(circle at center, #1c2030 0%, #0d0f17 100%);
}

.login-box {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 12px;
}

.login-box h1 { color: var(--accent); font-size: 24px; text-align: center; }
.login-box p  { color: var(--text-dim); text-align: center; margin-bottom: 8px; }

.login-box input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  color: var(--text);
  font-size: 16px;
  outline: none;
}
.login-box input:focus { border-color: var(--accent); }

.login-error {
  color: var(--red);
  font-size: 13px;
  text-align: center;
  min-height: 18px;
}

/* shake animation on wrong password */
.shake { animation: shake .35s; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

/* ---------- Header ---------- */

header {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 16px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
header h1 { font-size: 16px; color: var(--text); font-weight: 600; }
.header-spacer { flex: 1; }

.conn-dot {
  width: 10px; height: 10px; border-radius: 50%;
  display: inline-block;
}
.conn-up   { background: var(--green); box-shadow: 0 0 6px var(--green); }
.conn-down { background: var(--red);   box-shadow: 0 0 6px var(--red); }

/* ---------- Buttons ---------- */

.btn {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}
.btn:hover { background: var(--accent-soft); border-color: var(--accent); }

.btn-danger { background: #4a1d1d; border-color: #6e2929; }
.btn-danger:hover { background: var(--red); border-color: var(--red); color: white; }

.btn-ghost { background: transparent; }

button { font-family: inherit; }

/* ---------- Main layout (split) ---------- */

main {
  flex: 1 1 auto;
  display: flex;
  min-height: 0; /* permet au flex enfant de scroller */
}

#signals-panel {
  width: 25%;
  min-width: 280px;
  max-width: 420px;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  background: var(--bg);
}

#chart-panel {
  flex: 1; display: flex; flex-direction: column;
  min-width: 0;
}

.tv-container {
  flex: 1; position: relative;
  background: var(--bg-elev);
}
.tv-container .empty-state {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
}

.chart-footer {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 12px;
  padding: 6px 12px;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  font-size: 12px;
}

/* ---------- Signaux ---------- */

.empty-state {
  padding: 24px 16px;
  color: var(--text-dim);
  text-align: center;
}

.group-header {
  position: sticky; top: 0;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  padding: 6px 12px;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: .5px;
  z-index: 1;
}

.signal {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  position: relative;
  transition: background .15s;
}
.signal:hover { background: var(--bg-elev); }
.signal.active { background: var(--accent-soft); border-left: 3px solid var(--accent); padding-left: 9px; }

.signal-arrow {
  font-size: 16px; flex: 0 0 auto;
  font-weight: bold;
}
.signal-arrow.buy  { color: var(--green); }
.signal-arrow.sell { color: var(--red); }

.signal-symbol { font-weight: 600; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.signal-meta   { color: var(--text-dim); font-size: 11px; flex: 0 0 auto; text-align: right; }
.signal-price  { color: var(--text-dim); font-size: 11px; }

.signal-delete {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity .15s, color .15s;
}
.signal:hover .signal-delete { opacity: 1; }
.signal-delete:hover { color: var(--red); background: rgba(239,83,80,.1); }

/* ---------- Modal ---------- */

.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  min-width: 320px;
  box-shadow: var(--shadow);
}
.modal h2 { font-size: 16px; margin-bottom: 8px; }
.modal p  { color: var(--text-dim); margin-bottom: 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }