/* layout.css: uygulama kabuğu (kenar çubuğu + üst çubuk + ana alan), kılavuz çizgileri, mobil çekmece, giriş ekranı. */

.app { min-height: 100dvh; }

.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  height: 100dvh;
  background: var(--bg-base);
}

/* ---------- kenar çubuğu ---------- */
.sidebar {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  background: var(--bg-base);
  border-right: 1px solid var(--line-hairline);
  overflow: hidden;
  padding: var(--safe-t) 0 var(--safe-b) var(--safe-l); /* çekmece çentik / ana çubuk altında kalmasın (geniş ekranda 0) */
}

.sb-head {
  flex: none;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0 var(--sp-4);
  border-bottom: 1px solid var(--line-hairline);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--fg-heading);
  border-radius: var(--r-md);
  min-width: 0;
}
.brand:hover { text-decoration: none; color: var(--fg-strong); }
.brand-mark { width: 1.75rem; height: 1.75rem; flex: none; }
.brand-word { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.sidebar .sb-close { display: none; margin-left: auto; }

.sb-nav {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--sp-3) var(--sp-2);
}

.nav-group-label {
  padding: var(--sp-3) var(--sp-3) var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-group);
  user-select: none;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  width: 100%;
  height: var(--nav-item-h);
  padding: 0 0.75rem;
  margin-bottom: var(--sp-1);
  border-radius: var(--r-md);
  color: var(--fg-nav);
  font-size: var(--fs-md);
  font-weight: 500;
  line-height: 1;
  text-align: left;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
}
.nav-item .icon { color: var(--fg-icon); transition: color var(--t) var(--ease); flex: none; }
.nav-item:hover { background: var(--bg-control-hover); color: var(--fg-heading); text-decoration: none; }
.nav-item:hover .icon { color: var(--fg-nav); }
.nav-item[aria-current="page"] { background: var(--accent-tint-12); color: var(--accent-text); }
.nav-item[aria-current="page"] .icon { color: var(--accent-text); }
.nav-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }

.sb-foot {
  flex: none;
  display: grid;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-2);
  border-top: 1px solid var(--line-faint);
}

.setup-card {
  display: grid;
  gap: 0.375rem;
  padding: 0.75rem;
  background: var(--bg-panel);
  border: 1px solid var(--line-hairline);
  border-radius: var(--r-lg);
  color: var(--fg-body);
}
.setup-card:hover { text-decoration: none; border-color: var(--line-strong); }
.setup-card-top { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-sm); font-weight: 600; color: var(--fg-heading); }
.setup-card-top .icon { color: var(--fg-icon); }
.setup-card.is-ok .setup-card-top .icon { color: var(--success-text); }
.setup-card.is-warn .setup-card-top .icon { color: var(--warning-text); }
.setup-card-sub { font-size: var(--fs-sm); color: var(--fg-muted); line-height: 1.35; }
.sb-version { padding: 0 var(--sp-3); font-size: var(--fs-xs); color: var(--fg-muted); font-family: var(--font-mono); }

/* ---------- ana alan ---------- */
.main {
  display: grid;
  grid-template-rows: calc(var(--topbar-h) + var(--safe-t)) minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
}

.topbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--safe-t) max(var(--sp-4), var(--safe-r)) 0 max(var(--sp-4), var(--safe-l)); /* üst çubuk çentiğin altından başlar */
  background: var(--bg-base);
  border-bottom: 1px solid var(--line-hairline);
  min-width: 0;
  position: relative;
  z-index: var(--z-sticky);
}
.topbar .tb-burger, .topbar .tb-brand { display: none; }
.tb-actions { display: flex; align-items: center; gap: 0.5rem; margin-left: auto; }

.view {
  position: relative;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  outline: none;
  padding-bottom: var(--safe-b); /* içeriğin sonu ana çubuğun altında kalmasın */
}

.route-host { min-height: 100%; display: flex; flex-direction: column; }
.route-host > .view-page { flex: 1 0 auto; }
.auth > .route-host { width: 100%; min-height: 0; align-items: center; justify-content: center; }
.view-page { min-height: 100%; display: flex; flex-direction: column; }
.route-loading { padding: var(--sp-8) var(--page-gutter); color: var(--fg-muted); }

/* ---------- kılavuz çizgileri ("mavi baskı") ---------- */
.band { border-bottom: 1px solid var(--line-hairline); }
.band.grow { flex: 1; border-bottom: 0; display: flex; flex-direction: column; }
.band.grow > .band-in { flex: 1; }
.band.no-line { border-bottom: 0; }
.band-in {
  position: relative;
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-left: max(var(--page-gutter), var(--safe-l)); /* yatay telefonda çentiğin yanına taşmaz */
  padding-right: max(var(--page-gutter), var(--safe-r));
  border-inline: 1px solid var(--line-guide);
}
.band-in::before, .band-in::after {
  content: "";
  position: absolute;
  bottom: -4px;
  width: 7px;
  height: 7px;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(var(--mark), var(--mark)) center / 1px 100% no-repeat,
    linear-gradient(var(--mark), var(--mark)) center / 100% 1px no-repeat;
}
.band-in::before { left: -4px; }
.band-in::after { right: -4px; }
.band.grow .band-in::before, .band.grow .band-in::after, .band.no-line .band-in::before, .band.no-line .band-in::after { display: none; }

.band-pad { padding-block: var(--sp-6); }
.band-pad-sm { padding-block: var(--sp-4); }

/* sayfa başlığı bandı */
.page-head .band-in {
  padding-top: var(--sp-8);
  padding-bottom: var(--sp-6);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
}
.page-head-text { flex: 1; min-width: 0; }
.page-title { font-size: var(--fs-3xl); overflow-wrap: anywhere; }
.page-title:focus { outline: none; }
.page-sub { margin-top: var(--sp-2); font-size: var(--fs-md); color: var(--fg-secondary); max-width: 44rem; overflow-wrap: anywhere; }
.page-actions { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; margin-left: auto; padding-top: var(--sp-1); }
.crumb-back {
  display: inline-flex; align-items: center; gap: var(--sp-1);
  font-size: var(--fs-sm); color: var(--fg-muted); margin-bottom: var(--sp-3);
}
.crumb-back:hover { color: var(--fg-heading); text-decoration: none; }

/* bölüm başlığı satırı */
.sec-head { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.sec-head h2 { font-size: var(--fs-xl); font-weight: 600; }
.sec-sub { font-size: var(--fs-sm); color: var(--fg-muted); margin-top: 0.125rem; }

/* ---------- giriş ekranı ---------- */
.auth {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: max(var(--sp-6), var(--safe-t)) max(var(--sp-4), var(--safe-r)) max(var(--sp-6), var(--safe-b)) max(var(--sp-4), var(--safe-l));
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}

/* ---------- mobil çekmece ---------- */
.scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-drawer) - 1);
  background: var(--scrim);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t) var(--ease), visibility 0s linear var(--t);
}

@media (max-width: 900px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: var(--z-drawer);
    width: min(18rem, 86vw);
    transform: translateX(-100%);
    visibility: hidden;
    box-shadow: var(--shadow-modal);
    transition: transform var(--t-slow) var(--ease), visibility 0s linear var(--t-slow);
  }
  .shell.is-drawer-open .sidebar { transform: none; visibility: visible; transition: transform var(--t-slow) var(--ease); }
  .shell.is-drawer-open .scrim { opacity: 1; visibility: visible; transition: opacity var(--t) var(--ease); }
  .sidebar .sb-close { display: inline-flex; }
  .topbar .tb-burger { display: inline-flex; }
  .topbar .tb-brand { display: inline-flex; }
  .topbar { padding: var(--safe-t) max(var(--sp-3), var(--safe-r)) 0 max(var(--sp-3), var(--safe-l)); gap: var(--sp-2); }
  .tb-actions { gap: var(--sp-1); }
  .tb-actions .btn-text-label { display: none; }
  .tb-actions .btn { padding-inline: 0; width: var(--ctl-h); justify-content: center; }
  :root { --page-gutter: 1rem; }
  .band-in { border-inline: 0; }
  .band-in::before, .band-in::after { display: none; }
  .page-head .band-in { flex-wrap: wrap; padding-top: var(--sp-6); padding-bottom: var(--sp-5); }
  .page-title { font-size: var(--fs-2xl); }
  .page-actions { margin-left: 0; width: 100%; }
}
@media (max-width: 900px) and (max-height: 700px) {
  .sidebar .setup-card { display: none; }
}