/* ============================================================
   LAYOUT — App Shell, Sidebar, Header, Sayfa İçeriği
   ============================================================ */

/* Harita tam ekran toggle */
#subscriber-map.map-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  height: 100vh !important;
  border-radius: 0;
}

/* ================================================================
   APP SHELL
   ================================================================ */
.app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--bg-app);
}

.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin-left var(--transition-slow);
}

/* ================================================================
   SIDEBAR
   ================================================================ */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sticky);
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform var(--transition-slow), width var(--transition-slow);
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

/* Logo Area */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  flex-shrink: 0;
  text-decoration: none;
}
.sidebar-logo-icon {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: #fff;
}
.sidebar-logo-icon svg { width: 22px; height: 22px; }
.sidebar-logo-text {}
.sidebar-logo-title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.sidebar-logo-sub {
  font-size: var(--text-xs);
  color: var(--text-sidebar-muted);
  margin-top: 1px;
}

/* Village Badge */
.sidebar-village {
  margin: var(--space-3) var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.sidebar-village svg { width: 14px; height: 14px; flex-shrink: 0; }
.sidebar-village-name { font-weight: var(--font-semibold); color: #fff; }

/* Nav */
.sidebar-nav {
  flex: 1;
  padding: var(--space-3) var(--space-2);
}

.nav-section-label {
  font-size: 0.65rem;
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-sidebar-muted);
  padding: var(--space-4) var(--space-3) var(--space-1);
  display: block;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.625rem var(--space-3);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.75);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  user-select: none;
  margin-bottom: 2px;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover {
  background: rgba(255,255,255,0.10);
  color: #fff;
}
.nav-item.active {
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-weight: var(--font-semibold);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  width: 3px; height: 28px;
  background: #fff;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--color-danger-500);
  color: #fff;
  font-size: 0.65rem;
  font-weight: var(--font-bold);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.nav-divider {
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin: var(--space-3) var(--space-3);
}

/* Sidebar Brand */
.sidebar-brand {
  padding: var(--space-2) var(--space-5);
  text-align: center;
}
.sidebar-brand-text {
  font-size: 10px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.sidebar-user:hover { background: rgba(255,255,255,0.1); }

.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-primary-400);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  flex-shrink: 0;
  text-transform: uppercase;
}

.user-info { flex: 1; min-width: 0; }
.user-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-role {
  font-size: var(--text-xs);
  color: var(--text-sidebar-muted);
}

.sidebar-user .logout-btn {
  color: var(--text-sidebar-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  cursor: pointer;
  transition: color var(--transition-fast);
  flex-shrink: 0;
}
.sidebar-user .logout-btn:hover { color: var(--color-danger-400); }
.sidebar-user .logout-btn svg { width: 16px; height: 16px; }

/* ================================================================
   HEADER
   ================================================================ */
.app-header {
  height: var(--header-height);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 var(--content-padding);
  gap: var(--space-4);
  position: sticky;
  top: 0;
  z-index: var(--z-raised);
  box-shadow: var(--shadow-xs);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
  min-width: 0;
}

.header-hamburger {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  align-items: center; justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  display: none; /* Mobilde .header-hamburger { display: flex } ile gösterilir */
}
.header-hamburger:hover { background: var(--color-neutral-100); color: var(--text-primary); }
.header-hamburger svg { width: 20px; height: 20px; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}
.breadcrumb-item { color: var(--text-secondary); }
.breadcrumb-item.active { color: var(--text-primary); font-weight: var(--font-medium); }
.breadcrumb-sep { color: var(--text-muted); font-size: var(--text-xs); }

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-period {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  background: var(--color-primary-50);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary-200);
  color: var(--color-primary-700);
  font-weight: var(--font-medium);
}

.header-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  background: none;
  position: relative;
}
.header-btn:hover {
  background: var(--color-neutral-100);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.header-btn svg { width: 18px; height: 18px; }

.header-notif-dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 8px; height: 8px;
  background: var(--color-danger-500);
  border-radius: 50%;
  border: 2px solid #fff;
}

/* Header User */
.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.75rem 0.375rem 0.375rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast);
  border: 1px solid transparent;
}
.header-user:hover { background: var(--color-neutral-100); border-color: var(--border-color); }
.header-user .user-avatar {
  width: 32px; height: 32px;
  font-size: var(--text-xs);
}
.header-user-name { font-size: var(--text-sm); font-weight: var(--font-medium); }

/* ================================================================
   PAGE CONTENT
   ================================================================ */
.page-content {
  flex: 1;
  padding: var(--content-padding);
  padding-top: calc(var(--content-padding) + var(--space-2));
  min-height: calc(100vh - var(--header-height));
}

/* Page Header */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.page-header-left {}
.page-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-neutral-900);
  margin: 0;
  line-height: 1.2;
}
.page-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}
.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ================================================================
   GRID SYSTEM
   ================================================================ */
.grid-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }

/* Quick Actions Grid */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-5);
  background: #fff;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-neutral-700);
  text-decoration: none;
}
.quick-action-btn:hover {
  border-color: var(--color-primary-400);
  color: var(--color-primary-700);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.quick-action-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  transition: transform var(--transition-base);
}
.quick-action-btn:hover .quick-action-icon { transform: scale(1.1); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1280px) {
  .grid-stats { grid-template-columns: repeat(2, 1fr); }
  .quick-actions { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }

  .main-area {
    margin-left: 0;
  }

  .header-hamburger { display: flex; }
  .header-user-name { display: none; }
  .header-period { display: none; }

  .grid-stats { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .quick-actions { grid-template-columns: repeat(2, 1fr); }

  .page-header { flex-direction: column; align-items: stretch; }
  .page-header-actions { justify-content: flex-start; }
}

@media (max-width: 480px) {
  .grid-stats { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .quick-actions { grid-template-columns: 1fr 1fr; }
}

/* Mobile Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: calc(var(--z-sticky) - 1);
}

/* Görünürlüğü app.js'in eklediği .active sınıfı yönetir (bkz. app.js:238).
   Medya sorgusunda düz ".sidebar-overlay { display: block }" kullanılamaz:
   bu kural dosyanın sonunda, aynı özgüllükteki "display: none" kuralından
   ÖNCE geldiği için kaynak sırası nedeniyle eziliyordu ve overlay hiç
   görünmüyordu — sidebar açıkken dışarı dokunarak kapatmak da çalışmıyordu.
   ".active" özgüllüğü daha yüksek olduğundan sıraya bağımlı değil. */
@media (max-width: 768px) {
  .sidebar-overlay.active { display: block; }
}