/* =========================================================
   App Shell — shared sidebar + topbar chrome for 3 dynamic apps
   (swimple / rent / vpn)
   Depends on tokens.css (or tokens/colors_and_type.css + tokens/components.css)
   ========================================================= */

/* ---------- Sub-brand overrides ---------- */
/* Default = swimple green. Other apps override via body[data-app="..."] */
body[data-app="vpn"] {
  --sw-primary:        #533AB7;
  --sw-primary-dark:   #3D2A8A;
  --sw-primary-hover:  #4530A0;
  --sw-primary-light:  #EEE9FF;
}
body[data-app="rent"] {
  /* keep swimple green, but treat rent-source colors as accents */
  --rent-ur:  #1A6B4A;
  --rent-jkk: #B25E1A;
}

/* ---------- Layout grid ---------- */
.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  background: var(--sw-bg);
}

.app__sidebar {
  background: #fff;
  border-right: 1px solid var(--sw-border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
  overflow-y: auto;
}

.app__main {
  display: flex; flex-direction: column;
  min-width: 0;
}

.app__topbar {
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--sw-border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 0 32px;
  position: sticky; top: 0; z-index: 30;
}

.app__body {
  flex: 1;
  padding: 32px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}
@media (max-width: 720px) {
  .app__body { padding: 20px; }
}

/* ---------- Sidebar contents ---------- */
.app-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 20px 16px;
  text-decoration: none; color: var(--sw-text);
  border-bottom: 1px solid var(--sw-border);
}
.app-brand img { width: 28px; height: 28px; }
.app-brand__name {
  font-family: var(--sw-font-en);
  font-weight: 700; font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--sw-text);
}
.app-brand__name .dot { color: var(--sw-accent); }
.app-brand__sub {
  display: block;
  font-family: var(--sw-font-jp);
  font-weight: 500; font-size: 11px;
  color: var(--sw-text-secondary);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.app-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex; flex-direction: column; gap: 2px;
}
.app-nav__section {
  font-family: var(--sw-font-en);
  font-weight: 600; font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--sw-text-muted);
  padding: 16px 12px 6px;
}
.app-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  font-family: var(--sw-font-jp); font-weight: 500;
  font-size: 14px; color: var(--sw-text);
  transition: background var(--sw-dur-fast) var(--sw-ease), color var(--sw-dur-fast) var(--sw-ease);
}
.app-nav a:hover { background: var(--sw-bg); }
.app-nav a.is-active {
  background: var(--sw-primary-light);
  color: var(--sw-primary-dark);
  font-weight: 700;
}
.app-nav a.is-active svg { color: var(--sw-primary); }
.app-nav a svg { color: var(--sw-text-secondary); flex-shrink: 0; }
.app-nav a .badge {
  margin-left: auto;
  font-family: var(--sw-font-mono);
  font-size: 11px; font-weight: 600;
  color: var(--sw-text-secondary);
  background: var(--sw-bg);
  padding: 2px 8px; border-radius: 999px;
}
.app-nav a.is-active .badge { background: #fff; color: var(--sw-primary-dark); }

.app-sidebar__foot {
  padding: 16px 12px;
  border-top: 1px solid var(--sw-border);
  display: flex; flex-direction: column; gap: 4px;
}
.app-sidebar__foot a {
  font-family: var(--sw-font-jp); font-weight: 500;
  font-size: 12px; color: var(--sw-text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 8px;
}
.app-sidebar__foot a:hover { color: var(--sw-text); background: var(--sw-bg); }

/* ---------- Topbar ---------- */
.app-topbar__title {
  font-family: var(--sw-font-jp); font-weight: 700;
  font-size: 17px; color: var(--sw-text);
  letter-spacing: -0.01em;
}
.app-topbar__title small {
  display: block;
  font-family: var(--sw-font-mono);
  font-size: 11px; color: var(--sw-text-secondary);
  font-weight: 500;
  margin-top: 2px;
}

.app-topbar__right { display: flex; align-items: center; gap: 12px; }
.app-topbar__user {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--sw-font-jp); font-weight: 500;
  font-size: 13px; color: var(--sw-text);
}
.app-topbar__user:hover { background: var(--sw-bg); border-color: var(--sw-border); }
.app-topbar__user .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--sw-primary-light); color: var(--sw-primary-dark);
  display: grid; place-items: center;
  font-family: var(--sw-font-en); font-weight: 700; font-size: 12px;
}
.app-topbar__user .email {
  display: inline-block;
  max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ---------- Mobile toggle ---------- */
.app__menu-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent; border: 0; cursor: pointer;
  align-items: center; justify-content: center;
}
.app__menu-toggle span {
  width: 20px; height: 2px; background: var(--sw-text); border-radius: 1px;
  position: relative;
}
.app__menu-toggle span::before,
.app__menu-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 20px; height: 2px; background: var(--sw-text); border-radius: 1px;
}
.app__menu-toggle span::before { top: -6px; }
.app__menu-toggle span::after  { top:  6px; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .app__sidebar {
    position: fixed; inset: 0 auto 0 0;
    width: 280px; transform: translateX(-100%);
    transition: transform var(--sw-dur-base) var(--sw-ease);
    z-index: 40;
  }
  .app.is-menu-open .app__sidebar { transform: translateX(0); }
  .app__menu-toggle { display: inline-flex; }
}

/* ---------- Page header (above body content) ---------- */
.page-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 24px; flex-wrap: wrap;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--sw-border);
}
.page-head h1 {
  font-family: var(--sw-font-jp); font-weight: 900;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25; letter-spacing: -0.01em;
  margin: 0;
  color: var(--sw-text);
}
.page-head__sub {
  font-size: 14px; color: var(--sw-text-secondary);
  margin: 6px 0 0;
}
.page-head__actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Breadcrumb (app variant) ---------- */
.app-crumb {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 12px;
  font-family: var(--sw-font-jp);
  font-size: 12px; color: var(--sw-text-secondary);
}
.app-crumb a { color: var(--sw-text-secondary); text-decoration: none; }
.app-crumb a:hover { color: var(--sw-primary); }
.app-crumb .sep { color: var(--sw-text-muted); }
.app-crumb .current { color: var(--sw-text); font-weight: 500; }

/* ---------- Flash messages ---------- */
.flash {
  margin-bottom: 16px;
  display: grid; gap: 8px;
}
.flash__item {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px; line-height: 1.6;
  display: flex; align-items: flex-start; gap: 10px;
}
.flash__item.success { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.flash__item.error   { background: #FEF2F2; color: #B91C1C; border: 1px solid #FECACA; }
.flash__item.warning { background: #FFF8E1; color: #92400E; border: 1px solid #FCD34D; }
.flash__item.info    { background: var(--sw-primary-light); color: var(--sw-primary-dark); border: 1px solid rgba(26,107,74,0.2); }

/* ---------- Cards (small) for dashboards ---------- */
.app-card {
  background: #fff;
  border: 1px solid var(--sw-border);
  border-radius: 16px;
  padding: 20px;
}
.app-card__head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}
.app-card__title {
  font-family: var(--sw-font-jp); font-weight: 700;
  font-size: 16px; color: var(--sw-text); margin: 0;
}
.app-card__more {
  font-family: var(--sw-font-en); font-weight: 600;
  font-size: 12px;
  color: var(--sw-primary); text-decoration: none;
}

/* ---------- KPI cards row ---------- */
.kpi-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-bottom: 24px;
}
@media (max-width: 720px) { .kpi-row { grid-template-columns: repeat(2, 1fr); } }
.kpi {
  background: #fff;
  border: 1px solid var(--sw-border);
  border-radius: 14px;
  padding: 16px 18px;
}
.kpi__label {
  font-family: var(--sw-font-en); font-weight: 600;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--sw-text-secondary);
  margin: 0;
}
.kpi__value {
  font-family: var(--sw-font-en); font-weight: 700;
  font-size: 28px; letter-spacing: -0.01em;
  color: var(--sw-text);
  margin: 8px 0 0;
  line-height: 1;
}
.kpi__value .unit { font-size: 0.5em; color: var(--sw-text-secondary); margin-left: 2px; }
.kpi__sub {
  font-family: var(--sw-font-jp);
  font-size: 12px; color: var(--sw-text-secondary);
  margin: 6px 0 0;
}
.kpi__sub b { color: var(--sw-primary); font-weight: 700; }

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 80px 24px;
}
.empty-state__icon {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: var(--sw-primary-light); color: var(--sw-primary);
  display: inline-grid; place-items: center;
  margin-bottom: 20px;
}
.empty-state h2 {
  font-family: var(--sw-font-jp); font-weight: 700;
  font-size: 20px; margin: 0 0 8px;
}
.empty-state p {
  font-size: 14px; line-height: 1.7;
  color: var(--sw-text-secondary);
  margin: 0 0 24px; max-width: 40ch;
  margin-left: auto; margin-right: auto;
}