:root {
  --bg: #05070b;
  --surface: #0c0f16;
  --surface-alt: #141a24;
  --surface-raised: #1a212c;
  --border: #1f2733;
  --border-strong: #303c4d;
  --text: #eef1f6;
  --text-dim: #7d8aa0;
  --accent: #ff9500;
  --accent-soft: rgba(255, 149, 0, 0.14);
  --accent2: #22d3ee;
  --accent2-soft: rgba(34, 211, 238, 0.14);
  --gain: #00e08a;
  --gain-soft: rgba(0, 224, 138, 0.14);
  --loss: #ff4d6d;
  --loss-soft: rgba(255, 77, 109, 0.14);
  --radius: 6px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

.hidden { display: none !important; }
.muted { color: var(--text-dim); }
.small { font-size: 0.78rem; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 149, 0, 0.1), transparent 45%),
    radial-gradient(circle at 85% 90%, rgba(34, 211, 238, 0.07), transparent 45%),
    var(--bg);
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 320px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.login-sub { color: var(--text-dim); margin: 8px 0 24px; font-size: 0.9rem; }
#login-form { display: flex; flex-direction: column; gap: 12px; }
.login-error { color: var(--loss); font-size: 0.85rem; min-height: 1.2em; margin-top: 12px; }

.brand { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 4px; }
.brand-mark { color: var(--accent); font-size: 1.2rem; text-shadow: 0 0 12px rgba(255, 149, 0, 0.5); }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 1.25rem;
  text-transform: uppercase;
}

input, select {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  width: 100%;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

button { font-family: var(--font-body); cursor: pointer; border: none; transition: all 0.15s ease; }
.btn-primary {
  background: var(--accent);
  color: #1a0f00;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 4px;
  box-shadow: 0 0 0 rgba(255, 149, 0, 0);
}
.btn-primary:hover { box-shadow: 0 0 20px rgba(255, 149, 0, 0.45); transform: translateY(-1px); }
.btn-secondary {
  background: var(--surface-raised);
  color: var(--text);
  border: 1px solid var(--border-strong);
  padding: 9px 16px;
  border-radius: 4px;
  font-weight: 600;
}
.btn-secondary:hover { border-color: var(--accent2); color: var(--accent2); }
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 9px 16px;
  border-radius: 4px;
}
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }
.btn-block { width: 100%; }

/* ---------- App layout ---------- */
.app { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.sidebar .brand { justify-content: flex-start; margin-bottom: 4px; padding: 0 6px; }
.brand-edit { font-size: 0.75rem; opacity: 0.4; cursor: pointer; margin-left: 2px; }
.brand-edit:hover { opacity: 1; color: var(--accent); }

.portfolio-tree { flex: 1; display: flex; flex-direction: column; gap: 1px; overflow-y: auto; }
.portfolio-item {
  padding: 8px 10px;
  border-radius: 4px;
  border-left: 2px solid transparent;
  color: var(--text-dim);
  font-size: 0.87rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
}
.portfolio-item:hover { background: var(--surface-alt); color: var(--text); }
.portfolio-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; border-left-color: var(--accent); }
.portfolio-item.child { padding-left: 22px; }
.portfolio-item .item-actions { display: flex; gap: 8px; }
.portfolio-item .item-actions span { font-size: 0.8rem; opacity: 0.55; }
.portfolio-item .item-actions span:hover { opacity: 1; }
.portfolio-item .item-actions .edit:hover { color: var(--accent2); }
.portfolio-item .item-actions .del:hover { color: var(--loss); }

.sidebar-footer { display: flex; flex-direction: column; gap: 8px; }
.account-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.link-btn { color: var(--text-dim); font-size: 0.76rem; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.link-btn:hover { color: var(--accent2); }
.bootstrap-note { margin: -8px 0 4px; text-align: left; }

/* ---------- Main content ---------- */
.main { padding: 24px 32px 60px; max-width: 1220px; }

.topbar { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.topbar h1 { font-family: var(--font-display); font-size: 1.6rem; margin: 0 0 4px; font-weight: 700; letter-spacing: -0.01em; }
.topbar p { margin: 0; font-size: 0.86rem; }
.topbar-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.include-sub-toggle { display: flex; align-items: center; gap: 6px; color: var(--text-dim); font-size: 0.85rem; }
.include-sub-toggle input { width: auto; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

/* ---------- Mobile sidebar drawer ---------- */
.mobile-menu-btn { display: none; }
.mobile-backdrop { display: none; }

.fx-warning {
  background: rgba(255, 149, 0, 0.1);
  border: 1px solid var(--accent);
  border-left-width: 3px;
  color: var(--accent);
  border-radius: 4px;
  padding: 8px 14px;
  font-size: 0.82rem;
  margin: -8px 0 18px;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 15px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.card-label { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.card-value { font-size: 1.45rem; font-weight: 700; font-family: var(--font-mono); }
.card-sub { font-size: 0.85rem; color: var(--text-dim); font-family: var(--font-mono); }
.card-value.gain, .card-sub.gain { color: var(--gain); }
.card-value.loss, .card-sub.loss { color: var(--loss); }
#card-pnl { border-top-color: var(--accent); }

.charts-row { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; margin-bottom: 20px; }
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
}
.panel h2 {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}
.chart-box { height: 260px; position: relative; }

.panel-header-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.panel-header-row h2 { margin: 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th { text-align: left; color: var(--text-dim); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; padding: 7px 10px; border-bottom: 1px solid var(--border-strong); }
td { padding: 9px 10px; border-bottom: 1px solid var(--border); font-family: var(--font-mono); }
td.label-cell { font-family: var(--font-body); }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-alt); }
.gain { color: var(--gain); }
.loss { color: var(--loss); }
.icon-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 0.9rem; }
.icon-btn:hover { color: var(--loss); }
.icon-btn[data-action="edit"]:hover { color: var(--accent2); }
.icon-btn + .icon-btn { margin-left: 10px; }

.pagination-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  flex-wrap: wrap;
  gap: 10px;
}
.page-size-select { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--text-dim); }
.page-size-select select { width: auto; padding: 5px 8px; }
.page-nav { display: flex; align-items: center; gap: 10px; }
.page-nav .btn-ghost { padding: 6px 12px; font-size: 0.82rem; }
.page-nav .btn-ghost:disabled { opacity: 0.35; cursor: default; }
.page-nav .btn-ghost:disabled:hover { color: var(--text-dim); border-color: var(--border); }
.badge-warn {
  display: inline-block;
  font-size: 0.7rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 3px;
  padding: 1px 5px;
  vertical-align: middle;
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center; z-index: 50;
  backdrop-filter: blur(2px);
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 26px;
  width: 460px;
  max-width: 92vw;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
}
.modal-sm { width: 360px; }
.modal h2 { font-family: var(--font-display); font-weight: 700; margin-top: 0; font-size: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 0.8rem; color: var(--text-dim); font-weight: 500; }
label.full { margin-bottom: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .summary-cards { grid-template-columns: 1fr 1fr; }
  .charts-row { grid-template-columns: 1fr; }
  .main { padding-top: 64px; }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 60;
    width: 38px;
    height: 38px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 1.1rem;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    z-index: 55;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }
  .sidebar.mobile-open { transform: translateX(0); }

  .mobile-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 50;
  }
}