/* PVMarket V2 — Phase 1A application shell (prototype) */

:root {
  --v2-bg: #1a2332;
  --v2-bg-elevated: #212d3f;
  --v2-bg-hover: #2a384f;
  --v2-fg: #f0f4f8;
  --v2-muted: #94a3b8;
  --v2-border: rgba(148, 163, 184, 0.18);
  --v2-primary: #e8913a;
  --v2-primary-fg: #1a1208;
  --v2-accent: #38bdf8;
  --v2-accent-soft: rgba(56, 189, 248, 0.18);
  --v2-destructive: #f87171;
  --v2-radius: 0.75rem;
  --v2-shell-max: 1400px;
  --v2-nav-h: 3.5rem;
}

body.pv-v2-shell {
  background: var(--v2-bg);
  color: var(--v2-fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.pv-v2-shell .container,
body.pv-v2-shell .container-wide,
body.pv-v2-shell .container-home,
body.pv-v2-shell .container-market,
body.pv-v2-shell .container--dashboard {
  flex: 1;
  width: 100%;
  max-width: var(--v2-shell-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  body.pv-v2-shell .container,
  body.pv-v2-shell .container-wide,
  body.pv-v2-shell .container-home,
  body.pv-v2-shell .container-market,
  body.pv-v2-shell .container--dashboard {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* Top navigation */
.v2-topnav {
  position: sticky;
  top: 0;
  z-index: 120;
  border-bottom: 1px solid var(--v2-border);
  background: rgba(26, 35, 50, 0.92);
  backdrop-filter: blur(10px);
}

.v2-topnav-inner {
  max-width: var(--v2-shell-max);
  margin: 0 auto;
  min-height: var(--v2-nav-h);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .v2-topnav-inner {
    padding: 0 1.5rem;
  }
}

.v2-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--v2-fg);
  flex-shrink: 0;
}

.v2-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 0.45rem;
  background: var(--v2-primary);
  color: var(--v2-primary-fg);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.v2-brand-name {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.v2-primary-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .v2-primary-nav {
    display: flex;
  }
}

.v2-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--v2-muted);
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease;
}

.v2-nav-link:hover {
  color: var(--v2-fg);
  background: var(--v2-bg-hover);
}

.v2-nav-link.is-active {
  color: var(--v2-fg);
  background: var(--v2-bg-hover);
}

/* ── 「発電所管理」ドロップダウン（三大板块化） ── */
.v2-navdrop { position: relative; display: inline-flex; }
.v2-navdrop-toggle {
  border: none;
  background: transparent;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  gap: 0.3rem;
  max-width: none;
}
.v2-navdrop-toggle .nav-user-menu-chevron { font-size: 0.55rem; opacity: 0.7; }
.v2-navdrop-panel {
  left: 0;
  right: auto;
  min-width: 12.5rem;
}
.v2-navdrop-panel .nav-user-menu-item.is-active {
  font-weight: 700;
  color: var(--v2-fg);
}

.v2-topnav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

@media (max-width: 767px) {
  .v2-topnav-inner {
    flex-wrap: wrap;
    align-items: center;
  }

  .v2-topnav-actions {
    order: 2;
  }

  .v2-nav-toggle {
    order: 3;
    margin-left: 0;
  }

  .v2-primary-nav {
    display: none;
    order: 4;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 0.5rem 0 0.75rem;
    border-top: 1px solid var(--v2-border);
  }

  .v2-topnav.is-mobile-open .v2-primary-nav {
    display: flex;
  }

  .v2-nav-link {
    padding: 0.625rem 0.75rem;
  }

  /* 携帯: ドロップダウンは折りたたみリストとして展開（パネルを流れに置く） */
  .v2-navdrop { display: block; width: 100%; }
  .v2-navdrop-toggle { width: 100%; justify-content: flex-start; }
  .v2-navdrop-panel {
    position: static;
    min-width: 0;
    border: none;
    box-shadow: none;
    background: transparent;
    padding: 0 0 0.25rem 1rem;
  }
}

.v2-nav-ghost {
  display: none;
  font-size: 0.875rem;
  color: var(--v2-muted);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
}

.v2-nav-ghost:hover {
  color: var(--v2-fg);
}

@media (min-width: 640px) {
  .v2-nav-ghost {
    display: inline-flex;
  }
}

.v2-nav-cta {
  font-size: 0.8125rem;
}

.v2-icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.5rem;
  color: var(--v2-muted);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.v2-icon-btn:hover {
  background: var(--v2-bg-hover);
  color: var(--v2-fg);
}

.v2-icon {
  width: 1.125rem;
  height: 1.125rem;
}

.v2-badge {
  position: absolute;
  top: 0.2rem;
  right: 0.2rem;
  min-width: 1rem;
  height: 1rem;
  padding: 0 0.25rem;
  border-radius: 999px;
  background: var(--v2-destructive);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  line-height: 1rem;
  text-align: center;
}

.v2-user-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.5rem 0.25rem 0.25rem;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--v2-fg);
  cursor: pointer;
  max-width: 12rem;
}

.v2-user-toggle:hover,
.v2-user-menu.is-open .v2-user-toggle {
  background: var(--v2-bg-hover);
}

/* デスクトップは社名ラベルのみ（頭文字アバターは冗長）。ラベルが隠れる幅でのみ表示 */
.v2-user-avatar {
  display: none;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--v2-accent-soft);
  color: var(--v2-accent);
  font-size: 0.6875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.v2-user-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 500;
}

@media (max-width: 639px) {
  .v2-user-label {
    display: none;
  }

  .v2-user-avatar {
    display: inline-flex;
  }
}

.v2-user-panel {
  border-color: var(--v2-border);
  background: var(--v2-bg-elevated);
}

/* Mobile nav toggle */
.v2-nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .v2-nav-toggle {
    display: none;
  }
}

.v2-nav-toggle-bar {
  display: block;
  width: 1.125rem;
  height: 2px;
  margin: 0 auto;
  background: var(--v2-muted);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.v2-topnav.is-mobile-open .v2-nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.v2-topnav.is-mobile-open .v2-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.v2-topnav.is-mobile-open .v2-nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Footer shell */
body.pv-v2-shell .footer {
  border-top: 1px solid var(--v2-border);
  background: transparent;
  margin-top: auto;
}

body.pv-v2-shell .footer-legal a {
  color: var(--v2-muted);
}

body.pv-v2-shell .footer-legal a:hover {
  color: var(--v2-fg);
}

body.pv-v2-shell .footer-meta,
body.pv-v2-shell .footer-copy {
  color: var(--v2-muted);
}

body.pv-v2-shell .footer-meta a {
  color: var(--v2-accent);
}

/* Manage subnav — secondary nav under V2 shell */
body.pv-v2-shell .manage-subnav {
  margin: 1rem 0 1.25rem;
  padding: 0.35rem;
  border: 1px solid var(--v2-border);
  border-radius: var(--v2-radius);
  background: var(--v2-bg-elevated);
}

body.pv-v2-shell .manage-subnav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

body.pv-v2-shell .manage-subnav-link {
  display: inline-flex;
  padding: 0.45rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--v2-muted);
  text-decoration: none;
}

body.pv-v2-shell .manage-subnav-link:hover {
  color: var(--v2-fg);
  background: var(--v2-bg-hover);
}

body.pv-v2-shell .manage-subnav-link.is-active {
  color: var(--v2-fg);
  background: var(--v2-bg-hover);
}

/* Hide legacy nav-home styles when v2 shell active */
body.pv-v2-shell .nav-home-slogan,
body.pv-v2-shell .nav-home-logo-divider {
  display: none !important;
}

/* Phase 1A prototype banner */
.v2-phase-banner {
  margin: 0 auto 1rem;
  max-width: var(--v2-shell-max);
  padding: 0.5rem 1rem;
  border: 1px dashed var(--v2-border);
  border-radius: 0.5rem;
  background: rgba(56, 189, 248, 0.06);
  color: var(--v2-muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.v2-phase-banner strong {
  color: var(--v2-accent);
  font-weight: 600;
}