/* ==========================================================
   Dashboard Layout & Components
   ========================================================== */

.app-body {
  background: var(--bg-void);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- App Header ---- */
.app-header {
  height: 58px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 var(--s6);
  gap: var(--s4);
  position: sticky;
  top: 0;
  z-index: 200;
  flex-shrink: 0;
}

.app-header-logo {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  margin-right: var(--s4);
}

.app-header-nav {
  display: flex;
  align-items: center;
  gap: var(--s1);
  flex: 1;
  overflow-x: auto;
}

.app-nav-link {
  display: flex;
  align-items: center;
  gap: var(--s2);
  padding: 6px 12px;
  border-radius: var(--r2);
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: all var(--t-fast);
}
.app-nav-link:hover {
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
}
.app-nav-link.active {
  color: var(--text-primary);
  background: var(--bg-card);
}
.app-nav-link svg { opacity: 0.7; flex-shrink: 0; }
.app-nav-link.active svg { opacity: 1; }

.app-header-right {
  display: flex;
  align-items: center;
  gap: var(--s3);
  margin-left: auto;
  flex-shrink: 0;
}

.header-connection-status {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 4px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--s2);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: var(--r2);
  transition: background var(--t-fast);
  position: relative;
}
.header-user:hover { background: var(--bg-card); }
.header-user-avatar {
  width: 30px; height: 30px;
  background: linear-gradient(135deg, var(--green-dim), var(--green));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--bg-void);
  flex-shrink: 0;
}
.header-user-name {
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-primary);
}
.header-user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.header-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r3);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--t-fast);
  z-index: 300;
}
.header-dropdown.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s3) var(--s4);
  font-size: 0.83rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
}
.dropdown-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}
.dropdown-item.danger { color: var(--red); }
.dropdown-item.danger:hover { background: rgba(255,59,92,0.05); }
.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: var(--s1) 0;
}

/* ---- Main Layout ---- */
.app-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ---- Sidebar ---- */
.app-sidebar {
  width: 240px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  flex-shrink: 0;
  padding: var(--s4) 0;
}

.sidebar-section-label {
  padding: var(--s2) var(--s4);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-disabled);
  margin-top: var(--s3);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s2) var(--s4);
  font-size: 0.84rem;
  color: var(--text-muted);
  transition: all var(--t-fast);
  position: relative;
  margin: 1px var(--s2);
  border-radius: var(--r2);
}
.sidebar-link:hover {
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
}
.sidebar-link.active {
  color: var(--text-primary);
  background: var(--bg-card);
}
.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 16px;
  background: var(--green);
  border-radius: 0 2px 2px 0;
}
.sidebar-link svg { flex-shrink: 0; opacity: 0.7; }
.sidebar-link.active svg { opacity: 1; color: var(--green); }

.sidebar-badge {
  margin-left: auto;
  padding: 1px 6px;
  background: rgba(57,255,138,0.1);
  color: var(--green);
  border-radius: var(--r-full);
  font-size: 0.65rem;
  font-weight: 700;
}

.sidebar-bottom {
  margin-top: auto;
  padding: var(--s4);
  border-top: 1px solid var(--border);
}
.sidebar-plan {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: var(--s3);
  font-size: 0.78rem;
}
.sidebar-plan-label { color: var(--text-muted); margin-bottom: 4px; }
.sidebar-plan-name { color: var(--text-primary); font-weight: 600; }
.sidebar-upgrade {
  display: block;
  margin-top: var(--s2);
  font-size: 0.75rem;
  color: var(--green);
  font-weight: 500;
}
.sidebar-upgrade:hover { text-decoration: underline; }

/* ---- Main Content ---- */
.app-main {
  flex: 1;
  overflow-y: auto;
  padding: var(--s6);
  display: flex;
  flex-direction: column;
  gap: var(--s6);
}

/* ---- Page Header ---- */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s4);
  flex-wrap: wrap;
}
.page-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.page-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.page-actions {
  display: flex;
  align-items: center;
  gap: var(--s3);
  flex-shrink: 0;
}

/* ---- Metric Cards Row ---- */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--s4);
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r3);
  padding: var(--s4) var(--s5);
  transition: all var(--t-mid);
  position: relative;
  overflow: hidden;
}
.metric-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--metric-color, var(--border));
  opacity: 0;
  transition: opacity var(--t-mid);
}
.metric-card:hover { border-color: var(--border-light); }
.metric-card:hover::after { opacity: 1; }
.metric-card.green  { --metric-color: var(--green); }
.metric-card.amber  { --metric-color: var(--amber); }
.metric-card.red    { --metric-color: var(--red); }
.metric-card.blue   { --metric-color: var(--blue); }

.metric-card-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: var(--s2);
}
.metric-card-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--s1);
}
.metric-card-change {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.metric-card-change.positive { color: var(--green); }
.metric-card-change.negative { color: var(--red); }

/* ---- Two-column layout ---- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s6);
}
.two-col--wide {
  grid-template-columns: 2fr 1fr;
}
@media (max-width: 1100px) {
  .two-col, .two-col--wide { grid-template-columns: 1fr; }
}

/* ---- Section Card ---- */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r3);
  overflow: hidden;
}
.section-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s4) var(--s5);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: var(--s3);
}
.section-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--s2);
}
.section-card-body {
  padding: var(--s5);
}
.section-card-body.no-pad { padding: 0; }

/* ---- Connection Status Panel ---- */
.connection-panel {
  display: flex;
  align-items: center;
  gap: var(--s4);
  padding: var(--s4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r3);
}
.connection-panel.connected    { border-color: rgba(57,255,138,0.2); background: rgba(57,255,138,0.03); }
.connection-panel.disconnected { border-color: var(--border); }
.connection-panel.error        { border-color: rgba(255,59,92,0.2); background: rgba(255,59,92,0.03); }

.connection-info { flex: 1; }
.connection-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.connection-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}
.connection-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---- Bot Status Toggle ---- */
.bot-status-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s4) var(--s5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r3);
  gap: var(--s4);
}
.bot-status-info { flex: 1; }
.bot-status-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.bot-status-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle-input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border-light);
  border-radius: var(--r-full);
  cursor: pointer;
  transition: background var(--t-fast);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--t-fast);
}
.toggle-input:checked + .toggle-slider { background: var(--green); }
.toggle-input:checked + .toggle-slider::before {
  background: var(--bg-void);
  transform: translateX(20px);
}
.toggle-input:focus-visible + .toggle-slider {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

/* ---- Chart Container ---- */
.chart-container {
  position: relative;
  width: 100%;
  height: 220px;
}
canvas { width: 100% !important; height: 100% !important; }

/* ---- Webhook URL box ---- */
.webhook-url-box {
  display: flex;
  align-items: stretch;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.webhook-url-box:hover { border-color: var(--border-light); }
.webhook-url-input {
  flex: 1;
  padding: var(--s3) var(--s4);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--green);
  background: transparent;
  border: none;
  outline: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.webhook-url-copy {
  display: flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s3) var(--s4);
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}
.webhook-url-copy:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}
.webhook-url-copy.copied { color: var(--green); }

/* ---- Code block ---- */
.code-block {
  background: var(--bg-void);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: var(--s4);
  position: relative;
  overflow: hidden;
}
.code-block pre {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-secondary);
  overflow-x: auto;
}
.code-block-copy {
  position: absolute;
  top: var(--s3);
  right: var(--s3);
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r1);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--t-fast);
}
.code-block-copy:hover { color: var(--text-primary); border-color: var(--border-light); }
.code-block-copy.copied { color: var(--green); border-color: rgba(57,255,138,0.3); }

/* ---- Operation Row (open trades) ---- */
.trade-row {
  display: grid;
  grid-template-columns: 80px 60px 80px 80px 80px 80px auto;
  gap: var(--s3);
  padding: var(--s3) var(--s5);
  border-bottom: 1px solid var(--border);
  align-items: center;
  font-size: 0.83rem;
  transition: background var(--t-fast);
}
.trade-row:hover { background: rgba(255,255,255,0.01); }
.trade-row:last-child { border-bottom: none; }
.trade-row.header {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

/* ---- Risk Settings Form ---- */
.risk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s4);
}
@media (max-width: 640px) { .risk-grid { grid-template-columns: 1fr; } }

/* ---- Admin Table ---- */
.admin-tabs {
  display: flex;
  gap: var(--s1);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--s5);
  overflow-x: auto;
}
.admin-tab {
  padding: var(--s3) var(--s4);
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--t-fast);
}
.admin-tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--green);
}
.admin-tab:hover { color: var(--text-secondary); }

/* ---- Empty State ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--s12) var(--s6);
  text-align: center;
  gap: var(--s3);
}
.empty-icon {
  font-size: 2.5rem;
  opacity: 0.3;
}
.empty-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.empty-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  max-width: 280px;
}

/* ---- Mobile sidebar toggle ---- */
.sidebar-mobile-toggle {
  display: none;
  position: fixed;
  bottom: var(--s5);
  left: var(--s5);
  width: 44px; height: 44px;
  background: var(--green);
  color: var(--bg-void);
  border-radius: 50%;
  border: none;
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  z-index: 500;
  box-shadow: 0 0 20px var(--green-glow);
  cursor: pointer;
}
.app-sidebar.mobile-open { transform: translateX(0) !important; }

@media (max-width: 900px) {
  .app-sidebar {
    position: fixed;
    top: 58px;
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    z-index: 300;
    transition: transform var(--t-mid);
    box-shadow: var(--shadow-lift);
  }
  .sidebar-mobile-toggle { display: flex; }
  .app-header-nav { display: none; }
}

@media (max-width: 640px) {
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .page-header { flex-direction: column; align-items: flex-start; }
}