/* ============================================================
   Edge Flow Dashboard — styles (scoped under .ef)
   Dark fintech · minimalist · AI-era
   ============================================================ */

body.ef-fullpage {
  margin: 0; padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
  background: #07080b;
}

.ef {
  --bg:        #07080b;
  --bg-2:      #0b0d12;
  --surface:   rgba(255,255,255,.025);
  --surface-2: rgba(255,255,255,.04);
  --line:      rgba(255,255,255,.07);
  --line-2:    rgba(255,255,255,.12);
  --text:      #e7e9ee;
  --text-dim:  #8b909c;
  --text-faint:#5a5f6b;
  --accent:    #22c55e;
  --cyan:      #22d3ee;
  --accent-2:  #8b5cf6;
  --pos:       #22c55e;
  --neg:       #f87171;
  --gold:      #22d3ee;
  --radius:    16px;
  --radius-sm: 11px;
  --sidebar-w: 248px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;

  position: relative;
  display: flex;
  min-height: 100vh;
  width: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: .1px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.ef *, .ef *::before, .ef *::after { box-sizing: border-box; }
.ef a { color: inherit; text-decoration: none; }
.ef h1, .ef h2 { margin: 0; font-weight: 600; letter-spacing: -.2px; }
.ef svg { width: 18px; height: 18px; display: block; }

.ef-access-denied {
  max-width: 460px;
  margin: 72px auto;
  padding: 18px 20px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  background: #0b0d12;
  color: #e7e9ee;
  font: 500 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  text-align: center;
}

.ef::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(800px 400px at 18% 0%, rgba(34,197,94,.07), transparent 60%),
    radial-gradient(900px 500px at 100% 30%, rgba(139,92,246,.06), transparent 60%),
    radial-gradient(700px 380px at 70% 0%, rgba(34,211,238,.045), transparent 62%);
  pointer-events: none; z-index: 0;
}

/* ---- Sidebar ---- */
.ef-sidebar {
  position: sticky; top: 0; align-self: flex-start;
  z-index: 30;
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  height: 100vh;
  padding: 22px 14px;
  display: flex; flex-direction: column; gap: 18px;
  background: linear-gradient(180deg, var(--bg-2), #080a0e);
  border-right: 1px solid var(--line);
  overflow-y: auto;
}
.ef-sidebar::-webkit-scrollbar { width: 7px; }
.ef-sidebar::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 8px; }

.ef-brand { display: flex; align-items: center; gap: 11px; padding: 4px 8px; }
.ef-brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  display: grid; place-items: center;
  font-weight: 800; font-size: 13px; letter-spacing: 1px; color: #06231a;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  box-shadow: 0 6px 18px rgba(34,211,238,.22);
}
.ef-brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.ef-brand-text strong { font-size: 16px; letter-spacing: 3px; }
.ef-brand-text small { font-size: 9.5px; letter-spacing: 4px; text-transform: uppercase; color: var(--text-faint); }

.ef-profile {
  display: flex; align-items: center; gap: 11px;
  padding: 11px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--line);
}
.ef-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
  color: var(--text); background: linear-gradient(135deg, #2a2f3a, #171a21);
  border: 1px solid var(--line-2); overflow: hidden;
}
.ef-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ef-profile-info { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ef-profile-info strong { font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ef-badge {
  align-self: flex-start; font-size: 9px; font-weight: 700; letter-spacing: 1px;
  padding: 2px 7px; border-radius: 6px; color: var(--gold);
  background: rgba(34,211,238,.08); border: 1px solid rgba(34,211,238,.24);
}

.ef-nav { display: flex; flex-direction: column; gap: 16px; }
.ef-nav-group { display: flex; flex-direction: column; gap: 2px; }
.ef-nav-label {
  font-size: 9.5px; letter-spacing: 1.6px; text-transform: uppercase;
  color: var(--text-faint); padding: 4px 10px 6px;
}
.ef-nav-item {
  cursor: pointer;
  display: flex; align-items: center; gap: 11px;
  width: 100%;
  padding: 9px 10px; border-radius: 10px;
  background: transparent;
  color: var(--text-dim); font-size: 13px; font-weight: 500;
  border: 1px solid transparent;
  text-align: left;
  font-family: inherit;
  transition: background .16s, color .16s, border-color .16s;
}
.ef-nav-item:hover { color: var(--text); background: var(--surface); }
.ef-nav-item.is-active {
  color: var(--text); background: var(--surface-2);
  border-color: var(--line);
}
.ef-nav-item.is-active .ef-nav-ico { color: var(--accent); }
.ef-nav-ico { display: grid; place-items: center; width: 18px; color: var(--text-faint); }
.ef-nav-ico svg { width: 17px; height: 17px; }
.ef-mini { margin-left: auto; font-size: 11px; font-style: normal; }
.ef-add { color: var(--text-faint); }
.ef-logout:hover { color: var(--neg) !important; background: rgba(248,113,113,.07) !important; }
.ef-logout:hover .ef-nav-ico { color: var(--neg); }
.ef-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint); margin-left: 4px; }
.ef-dot.ok { background: var(--pos); box-shadow: 0 0 8px rgba(34,197,94,.5); }

/* ---- Main ---- */
.ef-main { position: relative; z-index: 1; flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }

.ef-topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 24px;
  background: rgba(7,8,11,.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.ef-burger {
  display: none; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); color: var(--text);
  width: 38px; height: 38px; border-radius: 10px; place-items: center;
}
.ef-topbar-title { display: flex; flex-direction: column; line-height: 1.1; }
.ef-topbar-title h1 { font-size: 16px; }
.ef-topbar-title span { font-size: 11.5px; color: var(--text-faint); }

.ef-periods {
  display: flex; gap: 2px; margin-left: 8px;
  padding: 3px; border-radius: 11px;
  background: var(--surface); border: 1px solid var(--line);
}
.ef[data-view="assinatura"] .ef-periods,
.ef[data-view="config"] .ef-periods,
.ef[data-view="import"] .ef-periods,
.ef[data-view="mentor"] .ef-periods,
.ef[data-view="mentor-students"] .ef-periods,
.ef[data-view="mentor-student"] .ef-periods,
.ef[data-view="mentor-notify"] .ef-periods,
.ef[data-view="mentor-ai"] .ef-periods { display: none; }
.ef[data-view="mentor"] .ef-daterange,
.ef[data-view="mentor-students"] .ef-daterange,
.ef[data-view="mentor-student"] .ef-daterange,
.ef[data-view="mentor-notify"] .ef-daterange,
.ef[data-view="mentor-ai"] .ef-daterange,
.ef[data-view="mentor-students"] .ef-import-cta,
.ef[data-view="mentor-student"] .ef-import-cta,
.ef[data-view="mentor-notify"] .ef-import-cta,
.ef[data-view="mentor-ai"] .ef-import-cta,
.ef[data-view="mentor"] .ef-import-cta { display: none; }
.ef-period {
  cursor: pointer; border: 0; background: transparent;
  color: var(--text-dim); font-size: 12.5px; font-weight: 500;
  padding: 6px 13px; border-radius: 8px; transition: all .15s; font-family: inherit;
}
.ef-period:hover { color: var(--text); }
.ef-period.is-active { color: var(--text); background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--line-2); }

.ef-topbar-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.ef-daterange {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; color: var(--text-dim);
  padding: 8px 12px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--line);
}
.ef-daterange svg { width: 15px; height: 15px; color: var(--text-faint); }

.ef-btn {
  cursor: pointer; font-family: inherit; font-size: 12.5px; font-weight: 600;
  padding: 8px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface-2); color: var(--text); transition: all .15s;
  display: inline-flex; align-items: center; gap: 7px;
}
.ef-btn:hover { border-color: var(--line-2); }
.ef-btn-primary {
  color: #06231a; border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  box-shadow: 0 6px 18px rgba(34,211,238,.18);
}
.ef-btn-primary:hover { filter: brightness(1.05); }
.ef-btn-primary svg { width: 15px; height: 15px; }

.ef-content { padding: 22px 24px 40px; display: flex; flex-direction: column; gap: 18px; }
.ef-section-label { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-faint); }

/* ---- Metric cards ---- */
.ef-metrics {
  display: grid; gap: 12px;
  grid-template-columns: repeat(4, 1fr);
}
.ef-metric {
  padding: 16px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 6px;
  transition: border-color .18s, transform .18s, background .18s;
}
.ef-metric:hover { border-color: var(--line-2); background: var(--surface-2); transform: translateY(-2px); }
.ef-metric > header {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 10.5px; letter-spacing: .8px; text-transform: uppercase; color: var(--text-dim);
}
.ef-info {
  width: 15px; height: 15px; border-radius: 50%; font-style: normal;
  font-size: 9px; display: grid; place-items: center; color: var(--text-faint);
  border: 1px solid var(--line-2); cursor: help;
}
.ef-metric-value { font-size: 24px; font-weight: 700; letter-spacing: -.5px; }
.ef-metric-value.pos { color: var(--pos); }
.ef-metric-value.neg { color: var(--neg); }
.ef-metric-value.neutral { color: var(--text); }
.ef-metric small { font-size: 11px; color: var(--text-faint); }

/* ---- AI section ---- */
.ef-ai {
  display: grid; gap: 12px;
  grid-template-columns: 1.15fr 1fr;
}
.ef-ai-visual, .ef-ai-panel {
  position: relative; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  overflow: hidden;
}
.ef-ai-visual { min-height: 320px; padding: 18px; display: flex; flex-direction: column; }
.ef-ai-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; z-index: 2; }
.ef-ai-title { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; }
.ef-ai-title svg { width: 16px; height: 16px; color: var(--accent-2); }
.ef-live {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--pos);
  padding: 3px 9px; border-radius: 20px;
  background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.22);
}
.ef-live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--pos); animation: ef-pulse 1.6s infinite; }
@keyframes ef-pulse { 0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(34,197,94,.5);}50%{opacity:.5;box-shadow:0 0 0 5px rgba(34,197,94,0);} }
.ef-ai-model { margin-left: auto; font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-faint); }

.ef-constellation { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.ef-ai-tags { margin-top: auto; display: flex; gap: 8px; flex-wrap: wrap; z-index: 2; }
.ef-tag {
  font-size: 11px; padding: 6px 11px; border-radius: 20px; color: var(--text-dim);
  background: rgba(10,12,16,.65); border: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.ef-ai-panel { padding: 24px; display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.ef-ai-eyebrow { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-2); }
.ef-ai-panel h2 { font-size: 26px; line-height: 1.15; letter-spacing: -.6px; }
.ef-ai-panel h2 em { font-style: italic; color: var(--accent); font-weight: 600; }
.ef-ai-panel p { margin: 0; color: var(--text-dim); font-size: 13px; max-width: 46ch; }
.ef-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ef-chip {
  cursor: pointer; font-family: inherit; font-size: 12px; color: var(--text-dim);
  padding: 7px 12px; border-radius: 20px;
  background: var(--surface); border: 1px solid var(--line); transition: all .15s;
}
.ef-chip:hover { color: var(--text); border-color: var(--line-2); background: var(--surface-2); }
.ef-ask { display: flex; gap: 8px; margin-top: 4px; }
.ef-ask input {
  flex: 1; min-width: 0; font-family: inherit; font-size: 13px; color: var(--text);
  padding: 11px 14px; border-radius: 11px;
  background: var(--bg-2); border: 1px solid var(--line); outline: none; transition: border-color .15s;
}
.ef-ask input::placeholder { color: var(--text-faint); }
.ef-ask input:focus { border-color: var(--accent); }
.ef-send { white-space: nowrap; }

/* ---- Bottom stats ---- */
.ef-stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
  padding: 16px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
}
.ef-stat { display: flex; flex-direction: column; gap: 5px; }
.ef-stat span { font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-faint); }
.ef-stat strong { font-size: 18px; font-weight: 600; }

/* ---- Mobile drawer ---- */
.ef-backdrop { display: none; position: fixed; inset: 0; z-index: 25; background: rgba(0,0,0,.55); backdrop-filter: blur(2px); }

@media (max-width: 1100px) {
  .ef-metrics { grid-template-columns: repeat(2, 1fr); }
  .ef-ai { grid-template-columns: 1fr; }
  .ef-stats { grid-template-columns: repeat(3, 1fr); }
  .ef-mentor-command { grid-template-columns: 1fr; }
  .ef-mentor-kpis { grid-template-columns: repeat(2, 1fr); }
  .ef-student-head { grid-template-columns: 1fr; align-items: flex-start; }
  .ef-student-actions { justify-content: flex-start; }
}

@media (max-width: 860px) {
  .ef-sidebar {
    position: fixed; top: 0; left: 0; height: 100vh;
    transform: translateX(-100%); transition: transform .25s ease;
    box-shadow: 18px 0 50px rgba(0,0,0,.5);
  }
  .ef[data-open="true"] .ef-sidebar { transform: translateX(0); }
  .ef[data-open="true"] .ef-backdrop { display: block; }
  .ef-burger { display: grid; }
  .ef-periods { display: none; }
  .ef-topbar-actions .ef-daterange { display: none; }
}

@media (max-width: 560px) {
  .ef-metrics { grid-template-columns: 1fr 1fr; }
  .ef-stats { grid-template-columns: 1fr 1fr; }
  .ef-content { padding: 16px 14px 32px; }
  .ef-topbar { padding: 12px 14px; }
  .ef-ai-panel h2 { font-size: 22px; }
  .ef-ask { flex-direction: column; }
  .ef-metric-value { font-size: 21px; }
  .ef-mentor-kpis { grid-template-columns: 1fr; }
  .ef-student-behavior { grid-template-columns: 1fr; }
  .ef-student-filters { width: 100%; }
  .ef-student-filters button { flex: 1 1 30%; }
}

/* ============================================================
   Page system — only the active page is shown
   ============================================================ */
.ef-page { display: none; flex-direction: column; gap: 18px; }
.ef[data-view="dashboard"]   .ef-page[data-page="dashboard"],
.ef[data-view="performance"] .ef-page[data-page="performance"],
.ef[data-view="trades"]      .ef-page[data-page="trades"],
.ef[data-view="capital"]     .ef-page[data-page="capital"],
.ef[data-view="mentor"]      .ef-page[data-page="mentor"],
.ef[data-view="mentor-students"] .ef-page[data-page="mentor-students"],
.ef[data-view="mentor-student"]  .ef-page[data-page="mentor-student"],
.ef[data-view="mentor-notify"]   .ef-page[data-page="mentor-notify"],
.ef[data-view="mentor-ai"]       .ef-page[data-page="mentor-ai"],
.ef[data-view="assinatura"]  .ef-page[data-page="assinatura"],
.ef[data-view="config"]      .ef-page[data-page="config"],
.ef[data-view="import"]      .ef-page[data-page="import"] { display: flex; }

/* ============================================================
   Generic card
   ============================================================ */
.ef-card {
  padding: 18px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
}
.ef-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.ef-card-head h3 {
  margin: 0; font-size: 13px; font-weight: 600; color: var(--text);
  display: inline-flex; align-items: center; gap: 8px; letter-spacing: .2px;
}
.ef-card-head h3 svg { width: 16px; height: 16px; color: var(--accent); }

.ef-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Charts */
.ef-chart-card .ef-chart-wrap { position: relative; height: 240px; }
.ef-chart-tall .ef-chart-wrap { height: 320px; }
.ef-chart-donut { height: 220px !important; max-width: 260px; margin: 0 auto; }
.ef-chart-fallback {
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text-faint);
  border: 1px dashed var(--line-2);
  border-radius: 12px;
  background: var(--surface);
  padding: 16px;
  font-size: 12.5px;
}

/* Streaks */
.ef-streaks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ef-streak-card {
  padding: 16px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 8px;
}
.ef-streak-card span { font-size: 11px; color: var(--text-dim); display: inline-flex; align-items: center; gap: 7px; }
.ef-streak-card span svg { width: 15px; height: 15px; }
.ef-streak-card strong { font-size: 26px; font-weight: 700; letter-spacing: -.5px; }
.ef-streak-card.pos strong, .ef-streak-card.pos svg { color: var(--pos); }
.ef-streak-card.neg strong, .ef-streak-card.neg svg { color: var(--neg); }
.ef-rank-list { display: grid; gap: 12px; }
.ef-rank-list > div { display: grid; gap: 5px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.ef-rank-list > div:last-child { border-bottom: 0; }
.ef-rank-list span { font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .04em; }
.ef-rank-list strong { font-size: 13px; color: var(--text); line-height: 1.45; font-weight: 600; }
.ef-mentor-ai > strong { display: block; font-size: 20px; margin-bottom: 8px; color: var(--text); }
.ef-mentor-ai > p { color: var(--text-dim); font-size: 13px; line-height: 1.55; margin: 0 0 14px; }
.ef-mentor-list { display: flex; flex-wrap: wrap; gap: 8px; }
.ef-mentor-list span {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text-dim);
  font-size: 12px;
}
.ef-mentor-notify { display: grid; gap: 10px; }
.ef-mentor-notify textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 12px;
  outline: none;
  font: inherit;
  font-size: 13px;
}
.ef-mentor-notify textarea:focus { border-color: var(--accent); }
.ef-mentor-notify small { color: var(--text-faint); min-height: 16px; }
.ef-mentor-table-head { padding: 16px 16px 0; }
.ef-mentor-command {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr);
  gap: 12px;
}
.ef-mentor-focus {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ef-mentor-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.ef-mentor-kpis div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.025);
}
.ef-mentor-kpis span {
  display: block;
  margin-bottom: 5px;
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: .8px;
  text-transform: uppercase;
}
.ef-mentor-kpis strong { font-size: 18px; color: var(--text); }
.ef-mentor-action-list {
  display: grid;
  gap: 8px;
}
.ef-mentor-action-list span {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-dim);
  font-size: 12.5px;
  line-height: 1.45;
}
.ef-mentor-action-list strong { color: var(--text); }
.ef-mentor-quick {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ef-mentor-quick .ef-card-head { margin-bottom: 4px; }
.ef-mentor-quick .ef-btn { justify-content: center; width: 100%; }
.ef-mentor-templates {
  display: grid;
  gap: 10px;
}
.ef-mentor-templates button {
  cursor: pointer;
  width: 100%;
  text-align: left;
  color: var(--text-dim);
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 12px;
  font: 500 12.5px/1.45 var(--font);
}
.ef-mentor-templates button:hover {
  color: var(--text);
  border-color: var(--line-2);
  background: var(--surface-2);
}
.ef-mentor-ai-full { min-height: 420px; }
.ef-mentor-suggestion {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}
.ef-mentor-suggestion span {
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.ef-mentor-suggestion textarea {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  border-radius: 10px;
  padding: 12px;
  outline: none;
  font: inherit;
  font-size: 13px;
}
.ef-mentor-student-row { cursor: pointer; }
.ef-student-link {
  cursor: pointer;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  font: inherit;
}
.ef-student-link strong { color: var(--text); }
.ef-student-link small { color: var(--text-faint); }
.ef-student-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
}
.ef-student-head h2 {
  margin: 3px 0 4px;
  font-size: 24px;
  line-height: 1.15;
}
.ef-student-head small { color: var(--text-faint); font-size: 12px; }
.ef-student-actions { display: flex; gap: 10px; justify-content: flex-end; }
.ef-student-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  width: fit-content;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}
.ef-student-filters button {
  cursor: pointer;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  padding: 7px 12px;
  font: 600 12px/1 var(--font);
}
.ef-student-filters button.is-active {
  color: var(--text);
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--line-2);
}
.ef-student-ai > strong {
  display: block;
  color: var(--text);
  font-size: 20px;
  margin-bottom: 8px;
}
.ef-student-ai > p {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.55;
}
.ef-student-behavior {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.ef-student-behavior div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.ef-student-behavior span {
  display: block;
  margin-bottom: 6px;
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: .8px;
  text-transform: uppercase;
}
.ef-student-behavior strong {
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.45;
}

/* ============================================================
   Trades table
   ============================================================ */
.ef-trades-toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ef-search {
  display: flex; align-items: center; gap: 8px; flex: 1; min-width: 180px;
  padding: 9px 13px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--line);
}
.ef-search svg { width: 16px; height: 16px; color: var(--text-faint); }
.ef-search input { flex: 1; background: none; border: 0; outline: none; color: var(--text); font-family: inherit; font-size: 13px; }
.ef-search input::placeholder { color: var(--text-faint); }
.ef-select {
  font-family: inherit; font-size: 12.5px; color: var(--text);
  padding: 9px 13px; border-radius: 10px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); outline: none;
}
.ef-select option { background: var(--bg-2); color: var(--text); }
.ef-trades-count { font-size: 12px; color: var(--text-faint); margin-left: auto; }

.ef-table-card { padding: 0; overflow: hidden; }
.ef-table-scroll { overflow-x: auto; max-height: 62vh; overflow-y: auto; }
.ef-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.ef-table thead th {
  position: sticky; top: 0; z-index: 1;
  text-align: left; padding: 12px 16px; cursor: pointer;
  font-size: 10.5px; letter-spacing: .8px; text-transform: uppercase; color: var(--text-faint);
  background: var(--bg-2); border-bottom: 1px solid var(--line); white-space: nowrap;
}
.ef-table thead th:hover { color: var(--text-dim); }
.ef-table th.ef-num, .ef-table td.ef-num { text-align: right; }
.ef-table tbody td { padding: 11px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.ef-table tbody tr:hover { background: var(--surface); }
.ef-table .ef-empty { text-align: center; color: var(--text-faint); padding: 40px; }
.ef-sym { font-weight: 600; }
.ef-side-pill { font-size: 10px; font-weight: 700; letter-spacing: .5px; padding: 2px 8px; border-radius: 6px; }
.ef-side-pill.buy  { color: var(--pos); background: rgba(34,197,94,.1); }
.ef-side-pill.sell { color: var(--neg); background: rgba(248,113,113,.1); }
.ef-cell-pos { color: var(--pos); }
.ef-cell-neg { color: var(--neg); }

/* ============================================================
   Capital page
   ============================================================ */
.ef-metrics-4 { grid-template-columns: repeat(4, 1fr); }
.ef-legend { display: flex; flex-direction: column; gap: 7px; margin-top: 14px; }
.ef-legend-item { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--text-dim); }
.ef-legend-dot { width: 10px; height: 10px; border-radius: 3px; flex: 0 0 10px; }
.ef-legend-item strong { margin-left: auto; color: var(--text); }

.ef-side-compare { display: flex; flex-direction: column; gap: 18px; padding: 6px 0; }
.ef-side-row { display: grid; grid-template-columns: 72px 1fr; gap: 10px 14px; align-items: center; }
.ef-side-tag { grid-row: span 2; align-self: center; font-size: 10px; font-weight: 700; padding: 4px 9px; border-radius: 7px; text-align: center; }
.ef-side-tag.pos { color: var(--pos); background: rgba(34,197,94,.1); }
.ef-side-tag.neg { color: var(--neg); background: rgba(248,113,113,.1); }
.ef-side-meta { display: flex; align-items: baseline; gap: 10px; }
.ef-side-meta strong { font-size: 18px; font-weight: 700; }
.ef-side-meta small { font-size: 11px; color: var(--text-faint); }
.ef-side-bar { height: 6px; border-radius: 6px; background: var(--surface-2); overflow: hidden; }
.ef-side-bar i { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--accent), var(--cyan)); width: 0; transition: width .6s ease; }

.ef-highlight { display: flex; flex-direction: column; gap: 6px; }
.ef-highlight-val { font-size: 28px; font-weight: 700; letter-spacing: -.5px; }
.ef-highlight.pos .ef-highlight-val { color: var(--pos); }
.ef-highlight.neg .ef-highlight-val { color: var(--neg); }
.ef-highlight-sub { font-size: 12px; color: var(--text-faint); }

/* Placeholder pages */
.ef-placeholder { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 60px 24px; text-align: center; }
.ef-placeholder svg { width: 40px; height: 40px; color: var(--text-faint); opacity: .6; }
.ef-placeholder h3 { margin: 0; font-size: 17px; }
.ef-placeholder p { margin: 0; font-size: 13px; color: var(--text-faint); }

/* ============================================================
   Subscription
   ============================================================ */
.ef-subscription-hero {
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .85fr); gap: 12px;
}
.ef-plan-current {
  min-height: 250px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 18px;
  background:
    linear-gradient(135deg, rgba(34,197,94,.08), transparent 42%),
    linear-gradient(145deg, transparent 46%, rgba(34,211,238,.06), rgba(139,92,246,.055)),
    var(--surface);
}
.ef-plan-status {
  font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--pos); padding: 4px 9px; border-radius: 999px;
  background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.22);
}
.ef-plan-price { display: flex; align-items: baseline; gap: 8px; }
.ef-plan-price strong { font-size: 44px; line-height: 1; letter-spacing: -.5px; }
.ef-plan-price span, .ef-plan-current p, .ef-billing-meta { color: var(--text-dim); font-size: 13px; }
.ef-plan-current p { margin: 0; max-width: 58ch; }
.ef-plan-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.ef-billing-card { display: flex; flex-direction: column; gap: 14px; }
.ef-billing-date { font-size: 28px; letter-spacing: -.3px; }
.ef-billing-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-top: 12px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--text-faint);
}
.ef-billing-row strong { color: var(--text); font-weight: 600; text-align: right; }
.ef-subscription-usage { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ef-usage-card { display: flex; flex-direction: column; gap: 12px; }
.ef-usage-card span { display: inline-flex; align-items: center; gap: 8px; color: var(--text-dim); font-size: 12px; }
.ef-usage-card span svg { width: 15px; height: 15px; color: var(--accent); }
.ef-usage-card strong { font-size: 22px; font-weight: 700; }
.ef-usage-card i {
  display: block; height: 7px; border-radius: 999px; overflow: hidden;
  background: var(--surface-2); border: 1px solid var(--line);
}
.ef-usage-card b {
  display: block; height: 100%; min-width: 0;
  background: linear-gradient(90deg, var(--accent), var(--cyan), var(--accent-2));
}
.ef-plans-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.ef-plan-card {
  position: relative; display: flex; flex-direction: column; gap: 16px;
  min-height: 280px; overflow: hidden;
}
.ef-plan-card.is-featured {
  border-color: rgba(34,211,238,.32);
  background:
    linear-gradient(180deg, rgba(34,211,238,.075), rgba(139,92,246,.05)),
    var(--surface);
}
.ef-plan-ribbon {
  position: absolute; top: 14px; right: 14px;
  font-size: 9px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
  color: #06231a; background: var(--accent); padding: 4px 8px; border-radius: 999px;
}
.ef-plan-head { display: flex; flex-direction: column; gap: 8px; }
.ef-plan-head span {
  font-size: 11px; font-weight: 700; letter-spacing: 1.6px;
  color: var(--text-faint); text-transform: uppercase;
}
.ef-plan-head strong { font-size: 32px; line-height: 1; letter-spacing: -.3px; }
.ef-plan-card ul {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 10px; flex: 1;
}
.ef-plan-card li { position: relative; padding-left: 18px; color: var(--text-dim); font-size: 13px; }
.ef-plan-card li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 9px rgba(34,211,238,.38);
}

/* ============================================================
   Settings
   ============================================================ */
.ef-settings-card { max-width: 980px; width: 100%; }
.ef-profile-form { display: flex; flex-direction: column; gap: 18px; }
.ef-profile-editor { display: grid; grid-template-columns: 180px 1fr; gap: 22px; align-items: start; }
.ef-avatar-editor {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 18px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--line);
}
.ef-avatar-preview {
  width: 82px; height: 82px; border-radius: 50%;
  display: grid; place-items: center; overflow: hidden;
  font-size: 22px; font-weight: 800; letter-spacing: 1px;
  color: var(--text); background: linear-gradient(135deg, #2a2f3a, #11141b);
  border: 1px solid var(--line-2);
  box-shadow: 0 14px 34px rgba(0,0,0,.24);
}
.ef-avatar-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ef-avatar-upload {
  cursor: pointer; font-size: 12px; font-weight: 600; color: var(--accent);
  padding: 7px 10px; border-radius: 9px; border: 1px solid rgba(34,211,238,.24);
  background: rgba(34,211,238,.06);
}
.ef-avatar-upload input { display: none; }
.ef-avatar-editor small { color: var(--text-faint); font-size: 11px; text-align: center; }
.ef-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ef-field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.ef-field span {
  font-size: 10.5px; letter-spacing: .8px; text-transform: uppercase;
  color: var(--text-faint);
}
.ef-field input, .ef-field select {
  width: 100%; min-height: 42px;
  font-family: inherit; font-size: 13px; color: var(--text);
  padding: 10px 12px; border-radius: 10px;
  background: var(--bg-2); border: 1px solid var(--line); outline: none;
  transition: border-color .15s, background .15s;
}
.ef-field select { cursor: pointer; }
.ef-field option { background: var(--bg-2); color: var(--text); }
.ef-field input:focus, .ef-field select:focus { border-color: var(--accent); background: rgba(255,255,255,.035); }
.ef-form-status {
  min-height: 20px; font-size: 12.5px; color: var(--text-faint);
}
.ef-form-status.is-ok { color: var(--pos); }
.ef-form-status.is-error { color: var(--neg); }

/* ============================================================
   Import View
   ============================================================ */
.ef-import-inner {
  display: flex; flex-direction: column; gap: 16px;
  max-width: 680px; width: 100%; margin: 0 auto;
}

/* Drop zone */
.ef-dropzone {
  position: relative;
  border: 2px dashed var(--line-2); border-radius: var(--radius);
  background: var(--surface); transition: all .2s;
  cursor: pointer; overflow: hidden;
}
.ef-dropzone:hover, .ef-dropzone.is-over { border-color: var(--cyan); background: rgba(34,211,238,.04); }
.ef-dropzone.is-over { border-style: solid; }
.ef-dropzone.has-file { border-color: var(--accent); border-style: solid; }

.ef-drop-idle {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 52px 24px; text-align: center; color: var(--text-dim);
}
.ef-drop-idle svg { width: 36px; height: 36px; color: var(--accent); opacity: .7; margin-bottom: 4px; }
.ef-drop-idle strong { font-size: 15px; color: var(--text); }
.ef-drop-idle span { font-size: 13px; }
.ef-drop-idle small { font-size: 11px; color: var(--text-faint); }

.ef-drop-over {
  display: none; flex-direction: column; align-items: center; gap: 12px;
  padding: 52px 24px; text-align: center; color: var(--accent);
  background: rgba(34,211,238,.06);
}
.ef-drop-over svg { width: 36px; height: 36px; }
.ef-dropzone.is-over .ef-drop-idle { display: none; }
.ef-dropzone.is-over .ef-drop-over { display: flex; }

.ef-file-hidden { position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%; cursor: pointer; }
.ef-link-btn {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--accent); font-family: inherit; font-size: inherit; text-decoration: underline;
}

/* Preview */
.ef-import-preview {
  display: none; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 16px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--line);
}
.ef-import-preview[aria-hidden="false"] { display: flex; }
.ef-preview-info { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.ef-preview-icon svg { width: 22px; height: 22px; color: var(--accent); }
.ef-preview-info div { display: flex; flex-direction: column; gap: 2px; }
.ef-preview-info strong { font-size: 13px; }
.ef-preview-info small { font-size: 11px; color: var(--text-faint); }
.ef-import-clear { font-size: 12px; color: var(--text-faint); padding: 8px 14px; }

/* Loading */
.ef-import-loading {
  display: none; flex-direction: column; align-items: center; gap: 14px;
  padding: 48px 24px; text-align: center;
  background: var(--surface); border-radius: var(--radius); border: 1px solid var(--line);
}
.ef-import-loading[aria-hidden="false"] { display: flex; }
.ef-import-loading span { font-size: 14px; color: var(--text); }
.ef-import-loading small { font-size: 11.5px; color: var(--text-faint); }
.ef-spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid rgba(34,211,238,.15);
  border-top-color: var(--accent);
  animation: ef-spin .8s linear infinite;
}
@keyframes ef-spin { to { transform: rotate(360deg); } }

/* Error */
.ef-import-error {
  display: none; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 16px; border-radius: var(--radius-sm);
  background: rgba(248,113,113,.07); border: 1px solid rgba(248,113,113,.25);
}
.ef-import-error[aria-hidden="false"] { display: flex; }
.ef-error-ico { font-size: 18px; color: var(--neg); }
.ef-import-error span:last-of-type { flex: 1; font-size: 13px; }

/* API key config */
.ef-api-config {
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--line);
}
.ef-api-label { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-dim); }
.ef-api-label svg { width: 15px; height: 15px; }
.ef-api-row { display: flex; gap: 10px; }
.ef-api-row input {
  flex: 1; font-family: inherit; font-size: 13px; color: var(--text);
  padding: 10px 14px; border-radius: 10px;
  background: var(--bg-2); border: 1px solid var(--line); outline: none;
  transition: border-color .15s;
}
.ef-api-row input:focus { border-color: var(--accent); }
.ef-api-config > small { font-size: 11px; color: var(--text-faint); }

/* Alert bar */
.ef-alert-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  background: rgba(139,92,246,.08); border: 1px solid rgba(139,92,246,.25);
  font-size: 13px; color: var(--gold);
}

/* Metric animate-in */
@keyframes ef-metric-pop {
  from { opacity: 0; transform: translateY(6px) scale(.97); }
  to   { opacity: 1; transform: none; }
}
.ef-anim-in { animation: ef-metric-pop .45s ease; }

/* ============================================================
   Responsive — new pages
   ============================================================ */
@media (max-width: 1100px) {
  .ef-grid-2 { grid-template-columns: 1fr; }
  .ef-metrics-4 { grid-template-columns: repeat(2, 1fr); }
  .ef-subscription-hero { grid-template-columns: 1fr; }
  .ef-plans-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .ef-streaks { grid-template-columns: 1fr; }
  .ef-trades-count { width: 100%; margin-left: 0; }
  .ef-profile-editor { grid-template-columns: 1fr; }
  .ef-avatar-editor { align-items: flex-start; }
  .ef-subscription-usage { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .ef-metrics-4 { grid-template-columns: 1fr 1fr; }
  .ef-chart-card .ef-chart-wrap { height: 200px; }
  .ef-search { min-width: 100%; }
  .ef-select { flex: 1; }
  .ef-form-grid { grid-template-columns: 1fr; }
  .ef-settings-card .ef-card-head { align-items: flex-start; gap: 12px; flex-direction: column; }
}