/* ============================================================
   АНАЛИТИК CLOUD — LAYOUT
   Phase 3 / Step 2
   ============================================================ */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── App Shell ── */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ────────────────────────────────
   HEADER  (бэкап 1:1)
──────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  min-height: var(--header-height);
  height: auto;
  padding: 10px 0;
  box-sizing: border-box;
  background: var(--color-bg);
  border-bottom: 1px solid rgba(216, 160, 80,0.3);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
  overflow: visible;
  display: flex;
  align-items: center;
}

.header__inner {
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 0;
  height: auto;
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr) minmax(236px, 280px);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 12px 24px;
}

.header__logo {
  grid-column: 1;
  grid-row: 1 / -1;
  min-width: 0;
  max-width: 380px;
  flex-shrink: 0;
  align-self: center;
  padding-right: 12px;
  box-sizing: border-box;
  overflow: visible;
}

/* ── Logo ── */
.header__logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}
.header__logo:hover { opacity: 0.85; }

/* Logo robot — frameless transparent PNG */
.header__logo-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
  border-radius: 0 !important;
  overflow: visible;
}

.header__logo-icon img,
.header__logo-icon svg,
.header__logo-robot {
  width: 48px;
  height: 48px;
  display: block;
  object-fit: contain;
  object-position: center;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
  mix-blend-mode: normal;
  filter: none;
  animation: robot-float 4s ease-in-out infinite;
}

@keyframes robot-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .header__logo-icon img,
  .header__logo-icon svg,
  .header__logo-robot {
    animation: none;
    transform: none;
  }
}

.header__logo-texts {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1 1 auto;
  min-width: 0;
  overflow: visible;
}

/* Строка бренда — flex с двумя span */
.header__logo-text {
  display: flex;
  align-items: baseline;
  gap: 8px;
  line-height: 1;
  flex-wrap: nowrap;
  white-space: nowrap;
}

/* "АНАЛИТИК" — solid white */
.brand-main {
  font-family: var(--font-logo-main);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 3.5px;
  color: #f7f8fb;
  background: none;
  -webkit-background-clip: border-box;
  -webkit-text-fill-color: #f7f8fb;
  background-clip: border-box;
}

/* "Cloud" — bright orange (do not unify with nav accent) */
.brand-word {
  font-family: var(--font-brand);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 5px;
  color: #ff9f2f;
  background: none;
  -webkit-background-clip: border-box;
  -webkit-text-fill-color: #ff9f2f;
  background-clip: border-box;
  font-style: italic;
}

/* Подзаголовок логотипа — IBM Plex Mono */
.header__logo-sub {
  font-family: var(--font-logo-main);
  font-size: 9px;
  letter-spacing: 2px;
  color: #b8874a;
  text-transform: uppercase;
  opacity: 0.7;
  margin-top: 1px;
}

/* ── Slogan / Tagline — compact dark panel (approved DevTools layout) ── */
.header__slogan {
  grid-column: 2 / 4;
  grid-row: 1;
  justify-self: stretch;
  align-self: center;
  width: 100%;
  max-width: none;
  min-width: 0;
  margin-inline: 0;
  height: auto;
  min-height: 0;
  padding: 4px 0 4px 12px;
  border: none;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  overflow: visible;
}

.header__slogan::before,
.header__slogan::after {
  display: none;
}

.header__slogan-text {
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: normal;
  letter-spacing: 0.12px;
  font-style: normal;
  color: rgba(236, 238, 240, 0.96);
  line-height: 1.48;
  text-align: left;
  overflow: visible;
}

.header__slogan-line {
  display: block;
}

.header__slogan-line + .header__slogan-line {
  margin-top: 3px;
}

.header__slogan-line--1 {
  font-weight: 600;
}

.header__slogan-line--2 {
  font-weight: 500;
}

.header__slogan-line--3 {
  font-weight: 600;
}

.header__slogan-accent--cyan {
  color: #d8a050;
  font-weight: 600;
}

.header__slogan-accent--purple {
  color: #d8a050;
  font-weight: 600;
  font-size: inherit;
  line-height: inherit;
}

.header__slogan-accent--strong {
  font-weight: 700;
  font-size: inherit;
  line-height: inherit;
}

/* header-tagline-sub из бэкапа */
.header__slogan-tags {
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 8px;
  color: #d8a050;
  opacity: 0.4;
  letter-spacing: 1.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Center: live block ── */
.header__center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.header__live-block {
  display: flex;
  align-items: center;
  gap: 5px;
  width: 184px;
  min-width: 184px;
  max-width: 184px;
  padding: 6px 9px;
  min-height: 34px;
  box-sizing: border-box;
  flex-shrink: 0;
  border-radius: 14px;
  background: rgba(0,255,136,0.07);
  border: 1px solid rgba(0,255,136,0.22);
}

.live-pulse {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 8px var(--color-green-glow);
  animation: pulse-dot 1.4s ease-in-out infinite;
  flex-shrink: 0;
}

.live-label {
  font-family: var(--font-display);
  font-size: 8px;
  font-weight: 700;
  color: var(--color-green);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  flex-shrink: 0;
  width: 26px;
  min-width: 26px;
}

.header__clock {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  min-width: 96px;
  padding-left: 7px;
  padding-right: 3px;
  margin-left: 0;
  border-left: 1px solid rgba(0, 255, 136, 0.28);
  font-variant-numeric: tabular-nums;
}

.header__clock-time {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: #f4f5f5;
  letter-spacing: 1.1px;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1, 'lnum' 1;
  line-height: 1;
  display: inline-block;
  width: 84px;
  min-width: 84px;
  max-width: 84px;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  flex-shrink: 0;
}

.header__clock-tz {
  font-family: var(--font-body);
  font-size: 7px;
  font-weight: 500;
  color: rgba(196, 200, 204, 0.65);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  flex-shrink: 0;
  width: 22px;
  min-width: 22px;
}

.header__right {
  grid-column: 3;
  grid-row: 2;
  justify-self: end;
  align-self: end;
  width: auto;
  min-width: 0;
  max-width: none;
  margin-left: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  box-sizing: border-box;
}

.header__cabinet-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  min-height: 34px;
  box-sizing: border-box;
  border-radius: 14px;
  border: 1px solid rgba(216, 160, 80, 0.25);
  background: rgba(216, 160, 80, 0.08);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  flex-shrink: 0;
}

.header__cabinet-link .nav-icon {
  opacity: 0.75;
  flex-shrink: 0;
}

.header__cabinet-link:hover,
.header__cabinet-link--active {
  color: #f0d4a8;
  background: rgba(216, 160, 80, 0.14);
  border-color: rgba(216, 160, 80, 0.35);
}

.header__cabinet-link:hover .nav-icon,
.header__cabinet-link--active .nav-icon {
  opacity: 1;
}

/* ────────────────────────────────
   MAIN NAV  (Phase 5)
──────────────────────────────── */
.main-nav {
  position: sticky;
  top: var(--header-height);
  z-index: calc(var(--z-header) - 1);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 max(24px, calc((100% - min(100%, var(--content-max-width))) / 2 + 24px));
  background: #17191c;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.4);
  gap: var(--space-lg);
  overflow-x: auto;
}

.main-nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.main-nav__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast);
  border: 1px solid transparent;
}

.nav-icon {
  opacity: 0.6;
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  transition: opacity var(--transition-fast);
}

.main-nav__item:hover .nav-icon,
.main-nav__item--active .nav-icon {
  opacity: 1;
}

.main-nav__item:hover {
  color: var(--color-cyan);
  background: var(--color-cyan-dim);
  border-color: rgba(216, 160, 80,0.15);
}

.main-nav__item--active {
  color: var(--color-cyan);
  background: transparent;
  border-color: transparent;
}

.main-nav__right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

/* ────────────────────────────────
   STATS BAR  (Phase 5)
──────────────────────────────── */
.stats-bar {
  height: var(--stats-bar-height);
  display: flex;
  align-items: center;
  padding: 0 var(--space-xl);
  background: linear-gradient(180deg, rgba(27,30,35,0.9) 0%, rgba(19,22,27,0.95) 100%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
  gap: var(--space-2xl);
  overflow-x: auto;
}

.stats-bar__group {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-shrink: 0;
}

.stats-bar__divider {
  width: 1px;
  height: 20px;
  background: var(--color-border);
  flex-shrink: 0;
}

.stats-bar__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  white-space: nowrap;
}

.stats-bar__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stats-bar__value {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.stats-bar__value--cyan   { color: var(--color-cyan); }
.stats-bar__value--green  { color: var(--color-green); }
.stats-bar__value--red    { color: var(--color-red); }
.stats-bar__value--elite  { color: var(--color-elite); }

/* ────────────────────────────────
   MAIN CONTENT  (Phase 5)
──────────────────────────────── */
.main {
  flex: 1;
  padding: 10px 24px;
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 64fr 36fr;
  gap: 20px;
  align-items: start;
}

/* Left column: signals + history */
.content-primary {
  min-width: 0;
}

/* Right column: AI sidebar */
.ai-sidebar {
  display: flex;
  flex-direction: column;
  gap: 11px;
  position: sticky;
  top: calc(var(--header-height) + var(--nav-height) + var(--space-lg));
}

/* ── Section Header ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.section-title::before {
  content: '';
  width: 3px;
  height: 14px;
  background: var(--color-cyan);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--color-cyan-glow);
}

.section-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ────────────────────────────────
   SIGNAL SECTION (PRIMARY)  Phase 5
──────────────────────────────── */
.signal-section {
  margin-bottom: var(--space-2xl);
  padding: var(--space-xl);
  background: linear-gradient(160deg, rgba(216, 160, 80, 0.04) 0%, rgba(0,0,0,0) 50%);
  border: 1px solid rgba(216, 160, 80, 0.14);
  border-radius: 12px;
  box-shadow: 0 0 40px rgba(216, 160, 80,0.04) inset;
}

.signal-section .section-title {
  font-size: var(--font-size-md);
  color: var(--color-cyan);
  letter-spacing: 0.1em;
}

.signal-section .section-title::before {
  width: 4px;
  height: 16px;
  box-shadow: 0 0 12px var(--color-cyan-glow);
}

/* ── Signal Grid ── */
.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

/* Single active signal — featured card, centered */
.signal-grid--single {
  grid-template-columns: minmax(0, 680px);
  justify-content: center;
}

.signal-grid--single .signal-card {
  border-width: 1px;
}

/* ── Loader / Empty State ── */
.signal-grid__loader {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) 0;
  gap: var(--space-md);
}

.signal-grid__loader-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

/* ────────────────────────────────
   HISTORY SECTION (SECONDARY)  Phase 5
──────────────────────────────── */
.history-section {
  margin-bottom: var(--space-2xl);
  padding: var(--space-lg);
  background: rgba(255,255,255,0.015);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  opacity: 0.85;
  transition: opacity var(--transition-base), border-color var(--transition-base);
}

.history-section:hover {
  opacity: 1;
  border-color: var(--color-border-glow);
}

.history-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
  cursor: pointer;
  padding: var(--space-xs) 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-fast);
}

.history-toggle:hover { color: var(--color-cyan); }

.history-toggle__icon {
  transition: transform var(--transition-base);
  font-style: normal;
}

.history-section.is-open .history-toggle__icon {
  transform: rotate(90deg);
}

.history-body {
  display: none;
  margin-top: var(--space-md);
}

.history-section.is-open .history-body {
  display: block;
}

.history-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
}

.history-table th {
  padding: 5px 10px;
  text-align: left;
  font-size: 9px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.history-table td {
  padding: 5px 10px;
  font-size: var(--font-size-xs);
  border-bottom: 1px solid rgba(35, 38, 43, 0.6);
  white-space: nowrap;
}

.history-table tr:last-child td { border-bottom: none; }

.history-table tr.is-buy  { background: rgba(0, 255, 136, 0.04); }
.history-table tr.is-sell { background: rgba(255, 68, 102, 0.04); }

.history-table tr:hover td { background: var(--color-surface-2); }

.history-load-more {
  display: flex;
  justify-content: center;
  margin-top: var(--space-md);
}

/* ────────────────────────────────
   FOOTER (multi-column — стили в components.css)
──────────────────────────────── */

/* ────────────────────────────────
   RESPONSIVE
──────────────────────────────── */
@media (max-width: 1200px) {
  /* already 2 cols by default; keep 2 on medium screens */
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Sidebar narrow */
@media (max-width: 1000px) {
  .main { grid-template-columns: 1fr 336px; }
}

/* Sidebar stacks below */
@media (max-width: 900px) {
  .main {
    grid-template-columns: 1fr;
  }
  .ai-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .header    { padding: 0 var(--space-md); }
  .main-nav  { padding: 0 var(--space-md); }
  .main      { padding: var(--space-md); gap: var(--space-md); }
  .footer    { padding: 0 var(--space-md); }

  .signal-grid { grid-template-columns: 1fr; }
  .ai-sidebar  { grid-template-columns: repeat(2, 1fr); }

  .header__center { display: none; }
  .hdr-btn span   { display: none; }
}

@media (max-width: 520px) {
  .ai-sidebar { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .session-stats__grid { grid-template-columns: repeat(2, 1fr); }
}