/*
 * TOPBAR V5 PROD — Phase 2
 *
 * Componente topbar globale opt-in via <body class="has-topbar-v5">.
 * Namespace: .ratiofy-topbar (outer) + .rtb-* (inner components).
 *
 * Default: .ratiofy-topbar { display: none } — zero impatto su pagine senza class.
 * Opt-in: body.has-topbar-v5 .ratiofy-topbar { display: flex; fixed top:0 }
 *
 * Linked from: dashboard.html, analysis.html, report.html, compare-v2.html
 * Sess 106 — 2026-05-11
 */

/* ============================================================
 * 0) Default hidden — MUST precede opt-in block (cascade order)
 * ============================================================ */
.ratiofy-topbar {
  display: none;
}

/* ============================================================
 * 1) Token — scoped to opt-in body
 * ============================================================ */
body.has-topbar-v5 {
  --rtb-h: 56px;
}

/* ============================================================
 * 2) Topbar container — fixed full-width, above sidebar (z>100)
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar {
  display: grid;
  grid-template-columns: var(--sidebar-width, 220px) 1fr auto;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--rtb-h);
  z-index: 200; /* > .sidebar z-index:100 > .page-header z-index:50 */
  background: var(--paper);
  border-bottom: 1px solid var(--hair-strong, rgba(26,26,36,0.12));
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

/* ============================================================
 * 3) Layout shift — sidebar + main-content + page-header
 * ============================================================ */

/* Sidebar: fixed top:0 → push down by rtb-h */
body.has-topbar-v5 .sidebar {
  top: var(--rtb-h);
  height: calc(100vh - var(--rtb-h));
}

/* Sidebar placeholder: also needs vertical correction (flex layout) */
body.has-topbar-v5 #sidebar-placeholder {
  padding-top: var(--rtb-h);
}

/* Main content: push top padding to clear topbar */
body.has-topbar-v5 .main-content {
  padding-top: var(--rtb-h);
}

/* Page header: sticky top:0 → sticky below topbar */
body.has-topbar-v5 .page-header {
  top: var(--rtb-h);
}

/* ============================================================
 * 4) Brand area (.rtb-brand) — left column, aligns with sidebar
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 var(--space-6, 24px);
  height: 100%;
  text-decoration: none;
  color: inherit;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--ai, oklch(62% 0.18 290));
  border-radius: 8px;
  flex-shrink: 0;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-brand-word {
  font-family: 'Onest', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-900, #1a1a24);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-brand-word .slash {
  color: var(--ai, oklch(62% 0.18 290));
  font-weight: 800;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-brand-word .ai {
  font-size: 0.65em;
  font-weight: 600;
  color: var(--ai, oklch(62% 0.18 290));
  letter-spacing: 0.04em;
  vertical-align: super;
  margin-left: 1px;
}

/* ============================================================
 * 5) Middle area (.rtb-middle) — LIVE indicator
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-middle {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-500, #7d7d8a);
  text-transform: uppercase;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ottimo, oklch(66% 0.14 195));
  animation: rtb-pulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes rtb-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.8); }
}

/* ============================================================
 * 6) Right area (.rtb-right) — all controls
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-right {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 100%;
  padding: 0 var(--space-4, 16px);
}

/* Divider */
body.has-topbar-v5 .ratiofy-topbar .rtb-divider {
  display: inline-block;
  width: 1px;
  height: 20px;
  background: var(--hair-strong, rgba(26,26,36,0.12));
  margin: 0 6px;
  flex-shrink: 0;
}

/* ============================================================
 * 7) Status indicator (.rtb-status)
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink-500, #7d7d8a);
  white-space: nowrap;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-500, #7d7d8a);
  flex-shrink: 0;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-status[data-status="online"] .rtb-status-dot {
  background: var(--ottimo, oklch(66% 0.14 195));
}

body.has-topbar-v5 .ratiofy-topbar .rtb-status[data-status="online"] .rtb-status-label {
  color: var(--ottimo, oklch(66% 0.14 195));
}

/* ============================================================
 * 8) Credit group (.rtb-credit-group)
 *    C1 fix: shows only credits_remaining (NO total — endpoint
 *    returns only credits_remaining, not credits_total)
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-credit-group {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-credit-label {
  font-size: 0.72rem;
  color: var(--ink-500, #7d7d8a);
  font-weight: 500;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-credit-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  background: var(--ai-soft, oklch(92% 0.05 290));
  border-radius: 20px;
  padding: 2px 9px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ai, oklch(62% 0.18 290));
  line-height: 1;
}

@supports not (background: color-mix(in oklch, white, black)) {
  body.has-topbar-v5 .ratiofy-topbar .rtb-credit-pill {
    background: rgba(120, 80, 220, 0.1);
  }
}

body.has-topbar-v5 .ratiofy-topbar .rtb-credit-avail {
  /* span for credits_remaining value */
}

body.has-topbar-v5 .ratiofy-topbar .rtb-credit-avail-label {
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--ai, oklch(62% 0.18 290));
  margin-left: 2px;
  letter-spacing: 0.01em;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-credit-buy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--ai-soft, oklch(92% 0.05 290));
  color: var(--ai, oklch(62% 0.18 290));
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 800;
  text-decoration: none;
  line-height: 1;
  transition: background 0.15s, transform 0.1s;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-credit-buy:hover {
  background: var(--ai, oklch(62% 0.18 290));
  color: #fff;
  transform: scale(1.1);
}

/* ============================================================
 * 9) User type badge (.rtb-user-type)
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-user-type {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-user-type[data-tier="free"] {
  background: var(--hair, rgba(26,26,36,0.07));
  color: var(--ink-700, #3e3e4b);
}

body.has-topbar-v5 .ratiofy-topbar .rtb-user-type[data-tier="pro"] {
  background: var(--ai-soft, oklch(92% 0.05 290));
  color: var(--ai, oklch(62% 0.18 290));
}

body.has-topbar-v5 .ratiofy-topbar .rtb-user-type[data-tier="enterprise"] {
  background: var(--monitor-bg, oklch(96% 0.05 85));
  color: var(--monitor, oklch(78% 0.14 80));
}

/* ============================================================
 * 10) Icon button base (.rtb-icon-btn) — shared for lang/theme/logout
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-icon-btn,
body.has-topbar-v5 .ratiofy-topbar .rtb-lang button,
body.has-topbar-v5 .ratiofy-topbar .rtb-theme button,
body.has-topbar-v5 .ratiofy-topbar .rtb-logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  min-width: 28px;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-500, #7d7d8a);
  transition: background 0.12s, color 0.12s;
  padding: 0 6px;
}

/* ============================================================
 * Phase 3.5 — Avatar pill (initials clickable → settings/profile)
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ai-soft), var(--ai));
  color: white;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1.5px solid var(--paper, #faf9f6);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  font-family: inherit;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-avatar:hover {
  transform: scale(1.08);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  border-color: var(--ai);
}

body.has-topbar-v5 .ratiofy-topbar .rtb-avatar:focus-visible {
  outline: 2px solid var(--ai);
  outline-offset: 2px;
}

[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-avatar {
  border-color: var(--ink-100, #232330);
}

body.has-topbar-v5 .ratiofy-topbar .rtb-icon-btn:hover,
body.has-topbar-v5 .ratiofy-topbar .rtb-lang button:hover,
body.has-topbar-v5 .ratiofy-topbar .rtb-theme button:hover,
body.has-topbar-v5 .ratiofy-topbar .rtb-logout:hover {
  background: var(--hair, rgba(26,26,36,0.07));
  color: var(--ink-900, #1a1a24);
}

/* ============================================================
 * 11) Lang toggle group (.rtb-lang)
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-lang {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--hair, rgba(26,26,36,0.07));
  border-radius: 7px;
  padding: 2px;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-lang button.active {
  background: var(--surface, #ffffff);
  color: var(--ink-900, #1a1a24);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* ============================================================
 * 12) Theme toggle group (.rtb-theme)
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-theme {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--hair, rgba(26,26,36,0.07));
  border-radius: 7px;
  padding: 2px;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-theme button.active {
  background: var(--surface, #ffffff);
  color: var(--ink-900, #1a1a24);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* ============================================================
 * 13) Logout button (.rtb-logout)
 * ============================================================ */
body.has-topbar-v5 .ratiofy-topbar .rtb-logout {
  color: var(--grave, oklch(62% 0.18 15));
  width: 32px;
  min-width: 32px;
  padding: 0;
}

body.has-topbar-v5 .ratiofy-topbar .rtb-logout:hover {
  background: var(--grave-bg, oklch(96% 0.03 15));
  color: var(--grave, oklch(62% 0.18 15));
}

/* ============================================================
 * 14) Dark theme overrides
 * ============================================================ */
[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar {
  background: var(--paper);
  border-bottom-color: var(--hair-strong, rgba(255,255,255,0.14));
  box-shadow: 0 2px 12px rgba(0,0,0,0.22);
}

[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-brand-word {
  color: var(--ink-900, #f2f2f5);
}

[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-lang {
  background: var(--hair, rgba(255,255,255,0.07));
}

[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-lang button.active,
[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-theme button.active {
  background: var(--surface, #1b1b26);
  box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}

[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-theme {
  background: var(--hair, rgba(255,255,255,0.07));
}

[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-icon-btn:hover,
[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-lang button:hover,
[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-theme button:hover,
[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-logout:hover {
  background: var(--hair, rgba(255,255,255,0.07));
  color: var(--ink-900, #f2f2f5);
}

[data-theme="dark"] body.has-topbar-v5 .ratiofy-topbar .rtb-divider {
  background: var(--hair-strong, rgba(255,255,255,0.14));
}

/* ============================================================
 * 15) Mobile responsive (<768px)
 *     Topbar stays full-width 56px; hide middle LIVE; compress right
 * ============================================================ */
@media (max-width: 768px) {
  body.has-topbar-v5 .ratiofy-topbar {
    grid-template-columns: auto 1fr auto;
  }

  body.has-topbar-v5 .ratiofy-topbar .rtb-middle {
    display: none; /* LIVE indicator hidden on mobile for space */
  }

  body.has-topbar-v5 .ratiofy-topbar .rtb-brand {
    padding: 0 var(--space-3, 12px);
  }

  body.has-topbar-v5 .ratiofy-topbar .rtb-brand-word {
    display: none; /* Show only logo mark on mobile */
  }

  body.has-topbar-v5 .ratiofy-topbar .rtb-right {
    padding: 0 var(--space-3, 12px);
    gap: 2px;
  }

  body.has-topbar-v5 .ratiofy-topbar .rtb-status-label,
  body.has-topbar-v5 .ratiofy-topbar .rtb-credit-label,
  body.has-topbar-v5 .ratiofy-topbar .rtb-credit-avail-label,
  body.has-topbar-v5 .ratiofy-topbar .rtb-divider {
    display: none;
  }

  /* Compact tier badge */
  body.has-topbar-v5 .ratiofy-topbar .rtb-user-type {
    padding: 2px 5px;
    font-size: 9px;
  }

  /* Reduce avatar + logout size */
  body.has-topbar-v5 .ratiofy-topbar .rtb-avatar {
    width: 26px;
    height: 26px;
    font-size: 10px;
  }

  body.has-topbar-v5 .ratiofy-topbar .rtb-logout {
    height: 26px;
    min-width: 26px;
    padding: 0 4px;
  }

  /* Compact credit pill: only number */
  body.has-topbar-v5 .ratiofy-topbar .rtb-credit-pill {
    padding: 2px 8px;
    font-size: 11px;
  }

  body.has-topbar-v5 .ratiofy-topbar .rtb-credit-buy {
    width: 22px;
    height: 22px;
    font-size: 12px;
  }

  /* Sidebar stays off-canvas on mobile — topbar shift still applies */
  body.has-topbar-v5 .sidebar {
    top: var(--rtb-h);
    height: calc(100vh - var(--rtb-h));
  }
}

/* ============================================================
 * Very small screens (<480px): hide non-essential controls
 * ============================================================ */
@media (max-width: 480px) {
  body.has-topbar-v5 .ratiofy-topbar .rtb-lang,
  body.has-topbar-v5 .ratiofy-topbar .rtb-status,
  body.has-topbar-v5 .ratiofy-topbar .rtb-user-type {
    display: none;
  }

  body.has-topbar-v5 .ratiofy-topbar .rtb-right {
    gap: 4px;
  }
}
