/* TaskFlow shell styling. Each MFE keeps its own scoped styles; this file
   only styles the chrome (top nav + side nav + status bar). */

:root {
  --bg: #0f172a;
  --bg-elevated: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;

  --legacy: #ef4444;     /* Angular legacy = red */
  --legacy-soft: #7f1d1d;
  --new: #22c55e;        /* React new = green */
  --new-soft: #14532d;

  --radius: 8px;
  --shadow: 0 4px 12px rgba(0,0,0,0.25);
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100%;
  min-height: 100dvh;
}

/* Native selects: OS dropdown + option rows need explicit dark surfaces (Windows/Chrome in particular). */
select {
  background-color: var(--bg-elevated);
  color: var(--text);
}

select option,
select optgroup {
  background-color: var(--bg-elevated);
  color: var(--text);
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  grid-template-columns: 240px 1fr;
  grid-template-areas:
    "topnav topnav"
    "sidenav main"
    "status status";
  min-height: 100vh;
  min-height: 100dvh;
}

.topnav {
  grid-area: topnav;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 0 max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));
  padding-top: env(safe-area-inset-top);
  min-height: 56px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 20;
}

.topnav__start {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.topnav__meta {
  font-size: 13px;
  color: var(--text-muted);
  text-align: right;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  margin: 0 4px 0 -6px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-toggle__bar {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
}

.topnav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  min-width: 0;
  flex-wrap: wrap;
}

.topnav .brand .logo {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  display: grid; place-items: center;
  font-size: 16px;
}

.migration-badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.sidenav {
  grid-area: sidenav;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 16px 8px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.sidenav-backdrop {
  display: none;
}

.sidenav .section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 12px 12px 8px;
}

.sidenav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  margin: 2px 4px;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 14px;
}

.sidenav a:hover { background: rgba(255,255,255,0.05); }
.sidenav a.active {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
}

.sidenav .pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.sidenav .pill.legacy { background: var(--legacy-soft); color: #fecaca; }
.sidenav .pill.new    { background: var(--new-soft); color: #bbf7d0; }

main.content {
  grid-area: main;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 32px max(32px, env(safe-area-inset-right)) 32px max(32px, env(safe-area-inset-left));
  -webkit-overflow-scrolling: touch;
}

.statusbar {
  grid-area: status;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 8px max(16px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.statusbar .indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.statusbar .dot {
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--new);
}
.statusbar .dot.legacy { background: var(--legacy); }

/* Shared MFE container styling so both Angular and React content look uniform */
.mfe-frame {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  max-width: 100%;
}

.mfe-frame h1 {
  margin-top: 0;
  font-size: clamp(1.125rem, 4vw, 1.5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.mfe-frame .framework-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-left: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: middle;
}
.mfe-frame .framework-tag.legacy { background: var(--legacy-soft); color: #fecaca; }
.mfe-frame .framework-tag.new    { background: var(--new-soft); color: #bbf7d0; }

/* ——— Mobile / narrow viewports ——— */
@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "topnav"
      "main"
      "status";
  }

  .nav-toggle {
    display: inline-flex;
  }

  .topnav {
    z-index: 60;
  }

  .topnav__meta {
    display: none;
  }

  .migration-badge {
    font-size: 10px;
    padding: 3px 8px;
  }

  .sidenav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(288px, 88vw);
    padding-top: calc(56px + env(safe-area-inset-top) + 12px);
    padding-bottom: max(16px, env(safe-area-inset-bottom));
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 55;
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .app-shell.shell-nav-open .sidenav {
    transform: translateX(0);
  }

  .sidenav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 50;
    background: rgba(15, 23, 42, 0.55);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s;
  }

  .app-shell.shell-nav-open .sidenav-backdrop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  body:has(.app-shell.shell-nav-open) {
    overflow: hidden;
  }

  main.content {
    padding: 16px max(16px, env(safe-area-inset-right)) 16px max(16px, env(safe-area-inset-left));
  }

  .mfe-frame {
    padding: 16px;
  }

  .statusbar span:last-child {
    display: none;
  }
}

@media (max-width: 400px) {
  .migration-badge {
    width: 100%;
    text-align: center;
  }
}