/* -- Typography scale --
   All font sizes derive from --ui-scale. Change the single value
   to resize the entire UI proportionally.
   Hierarchy: page-title > section-title > container-title > label > body > secondary > small */
:root {
  --ui-scale: 15px;
  --font-page-title:      calc(var(--ui-scale) * 1.6);   /* 24px */
  --font-section-title:   calc(var(--ui-scale) * 1.47);  /* 22px */
  --font-container-title: calc(var(--ui-scale) * 1.33);  /* 20px */
  --font-label:           calc(var(--ui-scale) * 1.07);  /* 16px */
  --font-body:            var(--ui-scale);                /* 15px */
  --font-secondary:       calc(var(--ui-scale) * 0.93);  /* 14px */
  --font-small:           calc(var(--ui-scale) * 0.87);  /* 13px */
}

/* -- Auth guard visibility --
   Add data-auth-guard attribute to <html> on protected pages.
   auth.js adds the .authorized class after token verification. */
html[data-auth-guard] { visibility: hidden; }
html[data-auth-guard].authorized { visibility: visible; }

/* -- Base layout -- */
body { padding: 0; margin: 0; font-size: var(--font-body); letter-spacing: 0.5px; word-spacing: 1px; }

/* -- Login page body override -- */
body.page-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

/* -- Main content area -- */
.content { padding: 28px; }

/* -- Loading indicator -- */
.loading-msg {
  color: var(--text-3);
  font-size: var(--font-label);
  margin-top: 16px;
}

/* -- Access denied notice -- */
.access-denied {
  color: var(--text-3);
  font-size: var(--font-label);
  margin-top: 16px;
}

/* -- cs16 theme size overrides -- */
.cs-btn {
  font-size: var(--font-label);
  cursor: pointer;
  transition: filter 0.15s ease;
}
.cs-btn:hover:not(:disabled) {
  filter: brightness(1.12);
}
.cs-btn:active:not(:disabled) {
  filter: brightness(0.95);
}
.cs-btn:disabled { pointer-events: auto; cursor: not-allowed; border-color: var(--border-light) var(--border-dark) var(--border-dark) var(--border-light) !important; }

/* -- CS 1.6 tooltip -- */
.cs-tooltip { display: inline-block; position: relative; line-height: 20px; }
.cs-tooltip .text { visibility: hidden; background: var(--secondary-accent); border: 1px solid var(--border-dark); color: #000; font-size: var(--font-secondary); line-height: 15px; padding: 2px 6px 1px; position: absolute; text-align: center; white-space: nowrap; width: max-content; z-index: 100; bottom: 100%; left: 50%; transform: translateX(-50%); margin-bottom: 4px; }
.cs-tooltip:hover .text { visibility: visible; }

.cs-input { font-size: var(--font-label); }
.cs-select { font-size: var(--font-label); }
.cs-select__label { font-size: var(--font-label); }

/* -- Global select / dropdown styling -- */
select {
  background: var(--secondary-bg);
  border: 1px solid var(--border-dark);
  color: var(--text);
  padding: 4px 8px;
  font-size: var(--font-label);
  font-family: inherit;
}

select option {
  background: #1a1f16;
  color: var(--text);
}

select:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

/* -- Skip-to-content link -- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 8px;
  z-index: 9999;
  padding: 6px 14px;
  background: var(--secondary-bg);
  color: var(--accent);
  border: 2px solid var(--accent);
  font-size: var(--font-label);
  text-decoration: none;
  white-space: nowrap;
}
.skip-link:focus {
  top: 8px;
}

/* -- Global focus-visible styles -- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.cs-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

/* -- Respect reduced-motion preference -- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* -- Visually hidden utility (screen-reader only) -- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* -- Page transition loader -- */

/* Hide page content until loader finishes */
.app-main > *:not(.page-loader) {
  opacity: 0;
}
.app-main.loaded > *:not(.page-loader) {
  opacity: 1;
}

.page-loader {
  position: absolute;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.1s;
}

.page-loader.active {
  opacity: 1;
  visibility: visible;
}

/* Disable sidebar interactions during load */
.sidebar.loading {
  pointer-events: none;
  opacity: 0.6;
}

/* Full-page variant for login (no sidebar) */
.page-loader--login {
  position: fixed;
}

/* Smooth reveal for login form */
.page-login > main {
  transition: opacity 0.15s;
}

/* Retro text */
.page-loader-text {
  color: var(--accent);
  font-size: var(--font-label);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

/* Blinking cursor after text */
.page-loader-text::after {
  content: '_';
  animation: blink-cursor 0.6s step-end infinite;
}

@keyframes blink-cursor {
  50% { opacity: 0; }
}

/* Progress bar track (CS 1.6 style) */
.page-loader-bar {
  width: 260px;
  height: 24px;
  padding: 3px;
  border: 1px solid;
  border-color: var(--border-dark) var(--border-light) var(--border-light) var(--border-dark);
  background-color: var(--secondary-bg);
  overflow: hidden;
}

/* Fill sweep (CS 1.6 striped bars) */
.page-loader-fill {
  height: 100%;
  width: 0;
  background-image: linear-gradient(to right, var(--accent) 8px, transparent 2px);
  background-size: 12px 16px;
  transition: width linear;
}

/* Fill width is driven by JS (sidebar.js) — no CSS override */
/* The JS sets width:0 then transitions to width:100% over PAGE_LOAD_DELAY_MS */

/* Indeterminate sweep for deferred pages (data-defer-loaded) */
.page-loader-fill.sweep {
  animation: loader-sweep 0.8s ease-in-out infinite;
}

/* -- Tab transition loader -- */
.tab-loader {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.08s;
}

.guide-content > .tab-loader {
  background: var(--secondary-bg);
}

.tab-loader.active {
  opacity: 1;
  visibility: visible;
}

.tab-loader-bar {
  width: 260px;
  height: 24px;
  padding: 3px;
  border: 1px solid;
  border-color: var(--border-dark) var(--border-light) var(--border-light) var(--border-dark);
  background-color: var(--secondary-bg);
  overflow: hidden;
}

.tab-loader-fill {
  height: 100%;
  width: 0;
  background-image: linear-gradient(to right, var(--accent) 8px, transparent 2px);
  background-size: 12px 16px;
  transition: width linear;
}

/* Fill width is driven by JS — no CSS override */

/* Disable tab bar during tab transition */
.trading-tabs.loading,
.cs-tabs.loading,
.spy-tabs.loading {
  pointer-events: none;
  opacity: 0.5;
}

.tab-loader-text {
  color: var(--accent);
  font-size: var(--font-label);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.tab-loader-text::after {
  content: '_';
  animation: blink-cursor 0.6s step-end infinite;
}

/* Shared indeterminate sweep (SQL, Log, Calculator loaders) */
@keyframes loader-sweep {
  0%   { width: 0; margin-left: 0; }
  50%  { width: 60%; margin-left: 20%; }
  100% { width: 0; margin-left: 100%; }
}

/* -- Site footer -- */
.site-footer {
  flex-shrink: 0;
  padding: 10px 24px;
  border-top: 1px solid var(--border-dark);
  background: var(--secondary-bg);
  text-align: center;
  color: var(--text-3);
  font-size: var(--font-small, 13px);
  line-height: 1.6;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .site-footer {
    padding: 8px 14px;
  }
}

/* -- Sidebar pages: fixed footer spanning full viewport width -- */
body:has(.app-layout) > .site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 101;
  transition: opacity 0.15s;
}

body:has(.app-layout) .app-main {
  padding-bottom: 63px;
}

/* -- Login / register pages -- */
.page-login .site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 101;
  padding: 10px 24px;
  transition: opacity 0.15s;
}

/* -- Info pages -- */
.info-page .site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 101;
  transition: opacity 0.15s;
}

/* -- Error pages -- */
.error-page .site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 101;
  transition: opacity 0.15s;
}

/* Mute & disable footer while page loader is active */
body:has(.page-loader.active) .site-footer {
  opacity: 0.6;
  pointer-events: none;
}

@media (max-width: 768px) {
  .page-login .site-footer {
    padding: 6px 14px;
  }
}

/* -- Prevent fixed footer from overlapping centered form -- */
body.page-login {
  padding-bottom: 50px;
}

/* -- Hamburger toggle: hidden on desktop -- */
.sidebar-toggle {
  display: none;
}

/* -- Collapse toggle: hidden on mobile (hamburger takes over) -- */
@media (max-width: 768px) {
  .sidebar-collapse-tip {
    display: none !important;
  }
}

/* -- Mobile responsive overrides --
   Breakpoint: 768px -- covers phones and small tablets.
   Loaded after all other stylesheets so overrides apply cleanly. */

@media (max-width: 768px) {

  /* -- Sidebar: off-canvas drawer (always full-width, never collapsed) -- */
  .sidebar,
  .sidebar.collapsed {
    width: 200px;
    transform: translateX(-100%);
    transition: transform 0.2s ease, visibility 0.2s;
    visibility: hidden;
  }

  .sidebar.open {
    transform: translateX(0);
    visibility: visible;
  }

  /* Restore full sidebar styles when collapsed class is present on mobile */
  .sidebar.collapsed .sidebar-label { display: inline; }
  .sidebar.collapsed .sidebar-nav a { padding: 10px 18px; justify-content: flex-start; border-left-width: 3px; }
  .sidebar.collapsed .sidebar-section-label { display: block; font-size: var(--font-small); padding: 4px 18px 2px; opacity: 1; }
  .sidebar.collapsed .sidebar-user { display: block; }
  .sidebar.collapsed .sidebar-footer { padding: 12px 18px; align-items: stretch; }
  .sidebar.collapsed .sidebar-footer .cs-btn { font-size: inherit; padding: revert; min-width: revert; width: auto; height: auto; display: revert; }
  .sidebar.collapsed .sidebar-footer .cs-btn::before { display: none; }
  .sidebar.collapsed .sidebar-brand { padding: 16px 18px; text-align: left; font-size: var(--font-page-title); }
  .sidebar.collapsed .sidebar-divider { margin: 8px 18px; }
  .sidebar-tooltip { visibility: hidden !important; }

  /* Ensure main content is not offset on mobile */
  .app-main,
  .sidebar.collapsed ~ .app-main {
    margin-left: 0;
    padding-top: 50px;
  }

  /* Overlay behind open sidebar */
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 49;
  }

  .sidebar-overlay.open {
    display: block;
  }

  /* Hamburger toggle button */
  .sidebar-toggle {
    display: flex;
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 51;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    background: var(--secondary-bg);
    border: 1px solid var(--border-dark);
    color: var(--accent);
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
  }

  /* -- Topbar -- */
  .topbar {
    padding: 10px 14px 10px 54px;
  }

  .topbar-title {
    font-size: var(--font-container-title);
  }

  /* -- Content area -- */
  .content {
    padding: 14px;
  }

  /* -- Dashboard -- */
  .dashboard {
    padding: 14px;
    grid-template-columns: 1fr;
  }

  /* -- Panels -- */
  .panel {
    padding: 16px;
  }

  .admin-section--spaced {
    margin: 0 14px 14px;
  }

  /* -- Info rows -- */
  .info-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .info-label {
    min-width: auto;
  }

  /* -- Session warning -- */
  .session-warning {
    flex-wrap: nowrap;
    margin: 0 14px;
    padding: 8px 14px;
    font-size: var(--font-secondary);
    gap: 8px;
    border: 1px solid #f0d050;
    border-radius: 2px;
  }

  .session-warning-text {
    flex: 1;
    min-width: 0;
  }

  .session-refresh-btn {
    flex-shrink: 0;
    padding: 2px 10px;
    font-size: var(--font-small);
  }

  /* -- Modals -- */
  .modal {
    padding: 18px;
    margin: 0 10px;
    max-width: calc(100vw - 20px);
  }

  .modal-actions {
    flex-wrap: wrap;
  }

  /* -- Alerts -- */
  #alertContainer {
    padding: 0 14px;
  }

  /* -- Tables: stacked card layout -- */
  .table-wrap { overflow-x: visible; }

  table:not(.acronym-table) thead {
    display: none;
  }

  table:not(.acronym-table) tr {
    display: block;
    border: 1px solid var(--border-dark);
    margin-bottom: 10px;
    padding: 8px 10px;
    background: var(--secondary-bg);
  }

  table:not(.acronym-table) td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-dark);
    text-align: right;
  }

  table:not(.acronym-table) td:last-child {
    border-bottom: none;
  }

  table:not(.acronym-table) td::before {
    content: attr(data-label);
    color: var(--text-3);
    font-size: var(--font-secondary);
    font-weight: 500;
    text-align: left;
    flex-shrink: 0;
    white-space: nowrap;
  }

  .actions {
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  /* -- Log table card overrides -- */
  .log-summary {
    gap: 0.5rem;
  }

  .log-stat-card {
    min-width: 0;
    flex: 1 1 auto;
  }

  .log-table tr {
    background: transparent;
    border-color: var(--border-dark);
  }

  .log-viewer {
    overflow-x: hidden;
  }

  .log-table td {
    white-space: normal;
    word-break: break-word;
    max-width: none;
    overflow: visible;
    text-overflow: unset;
    font-size: 0.78rem;
  }

  .log-table td.msg-col {
    max-width: none;
    text-align: left;
    flex-direction: column;
    align-items: flex-start;
  }

  /* -- SQL schema table -- */
  .sql-schema-table table td {
    font-size: var(--font-secondary);
  }

  /* -- SQL Query -- */
  .sql-preset-select {
    min-width: 0;
    width: 100%;
  }

  .sql-preset-group {
    flex-wrap: wrap;
    width: 100%;
  }

  .sql-controls {
    gap: 10px;
  }

  /* -- Trading page -- */
  .trading-tabs {
    margin-bottom: 14px;
  }

  .trading-tab {
    padding: 4px 0;
    font-size: var(--font-small);
    flex: 1;
    text-align: center;
    min-width: 0;
  }

  .trading-summary {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 12px;
  }

  .summary-card {
    padding: 10px 12px;
  }

  .summary-card-value {
    font-size: var(--font-label);
  }

  .trading-charts {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 12px;
  }

  .chart-card {
    padding: 12px;
    height: 200px;
  }

  .chart-container .donut-chart {
    width: 140px;
    max-width: 140px;
  }

  .chart-card h3 {
    font-size: var(--font-label);
  }

  .trades-scroll-wrap {
    max-height: 300px;
  }

  .trading-settings {
    margin-top: 0;
  }

  /* -- Calendar P&L mobile -- */
  .cal-pnl-section { max-width: none; height: calc(100vh - 170px); }
  .cal-grid { gap: 2px; grid-template-columns: repeat(var(--cal-cols, 5), 1fr) !important; }
  .cal-week-sum, .cal-week-header { display: none !important; }
  .cal-day { font-size: 0.55rem; padding: 2px; border-radius: 3px; }
  .cal-day .cal-date-num { font-size: 0.7rem; }
  .cal-day .cal-pnl-amount { font-size: 0.5rem; }
  .cal-nav { flex-wrap: wrap; gap: 6px; justify-content: center; }
  .cal-nav button { padding: 5px 8px; font-size: 0.75rem; }
  .cal-nav-center { order: -1; width: 100%; justify-content: center; }
  .cal-month-title { font-size: 0.95rem; }
  .cal-month-pnl { font-size: 0.8rem; }
  .cal-week-header { font-size: 0.6rem; }
  .cal-legend { font-size: 0.75rem; gap: 1rem; }
  .cal-swatch { width: 12px; height: 12px; }

  .settings-row {
    flex-direction: column;
    gap: 8px;
  }
  .settings-row-control {
    align-self: flex-end;
  }
  .settings-row-control .cs-input { width: 100px; }
  .settings-actions {
    flex-wrap: wrap;
  }
  .settings-actions .cs-btn {
    flex: 1;
    min-width: 0;
  }

  /* -- Guide (embedded) -- */
  .viz-intro {
    font-size: var(--font-secondary);
  }

  .candle-pattern-row,
  .chart-pattern-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .candle-diagram,
  .chart-diagram {
    align-self: center;
  }

  .chart-preview {
    width: calc(100vw - 32px);
    left: 16px !important;
  }

  .spy-tab-content.active {
    padding-right: 6px;
  }

  .spy-tab {
    padding: 4px 0;
    font-size: var(--font-small);
    flex: 1;
    text-align: center;
    min-width: 0;
  }

  /* -- Step calculator -- */
  .step-calc-layout {
    flex-direction: column;
  }

  /* -- Profile layout -- */
  .profile-layout {
    flex-direction: column;
    overflow: visible;
  }

  .profile-layout > .panel {
    width: 100%;
    flex: none;
  }

  .page-profile .app-main {
    height: auto;
    overflow: visible;
  }

  .profile-data-panel {
    max-height: none;
    overflow-y: visible;
  }

  /* -- Forms -- */
  .button-group {
    flex-wrap: wrap;
  }

  /* -- Profile panel -- */
  .panel--profile {
    max-width: none;
  }

  /* -- Server status indicator -- */
  .server-status {
    bottom: 8px;
    right: 8px;
    padding: 5px 10px;
    font-size: var(--font-small);
  }

  /* -- Login panel -- */
  .page-login .panel {
    padding: 22px 20px;
  }

  /* -- cs16 component overrides -- */
  .cs-dialog {
    min-width: 0;
    max-width: calc(100vw - 20px);
  }

  .cs-select {
    min-width: 0;
  }

  .cs-slider,
  .cs-slider input {
    width: 100%;
  }

  /* -- Logs full-viewport fix -- */
  .page-logs .app-main {
    margin-left: 0;
    box-sizing: border-box;
  }

  /* -- Trading full-viewport fix -- */
  .page-trading .app-main,
  .page-trades .app-main {
    margin-left: 0;
    box-sizing: border-box;
    height: auto;
    overflow: visible;
  }

  .page-trades .content {
    height: auto;
    overflow: visible;
    padding: 14px;
  }

  .page-trades .panel {
    flex: none;
    overflow: visible;
  }

  .page-trades .trading-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-trades .trades-scroll-wrap {
    max-height: 300px;
  }

  .trading-settings {
    max-width: none;
  }

  /* -- Charting full-viewport fix -- */
  .page-charting {
    overflow: hidden;
  }

  .page-charting .app-main {
    margin-left: 0;
    box-sizing: border-box;
    overflow: hidden;
  }

  .page-charting .content {
    padding: 14px;
    overflow: hidden;
  }
}
