/* App layout — header, sidebar, main area, mobile responsive */

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: 64px 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  min-height: 100dvh;
  background: var(--c-surface);
}

@media (max-width: 1024px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: 64px 1fr;
    grid-template-areas:
      "header"
      "main";
  }
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  grid-area: sidebar;
  background: var(--c-bg);
  border-inline-start: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100dvh;
  z-index: 50;
  transition: transform var(--t-med) var(--ease);
}
@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    inset-block-start: 0;
    inset-inline-start: 0;
    width: 280px;
    transform: translateX(100%);
  }
  html[dir="rtl"] .sidebar { transform: translateX(100%); }
  .sidebar.open { transform: none; }
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--c-border);
  font-weight: 800;
  font-size: var(--fs-md);
}
.sidebar-brand .logo {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--c-text);
  color: var(--c-bg);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.5px;
  position: relative;
  overflow: hidden;
}
.sidebar-brand .logo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 50%, var(--c-primary) 50%);
  opacity: .3;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-section { padding: var(--sp-3) var(--sp-3) 6px; font-size: var(--fs-xs); font-weight: 700; color: var(--c-text-3); letter-spacing: .08em; text-transform: uppercase; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--c-text-2);
  transition: all var(--t-fast);
  text-decoration: none;
}
.nav-link:hover { background: var(--c-surface); color: var(--c-text); text-decoration: none; }
.nav-link[aria-current="page"] {
  background: color-mix(in srgb, var(--c-primary) 10%, transparent);
  color: var(--c-primary);
  font-weight: 600;
}
.nav-link .lucide { width: 18px; height: 18px; flex-shrink: 0; }
.nav-link .badge {
  margin-inline-start: auto;
  background: var(--c-primary);
  color: white;
  font-size: 10px;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  font-weight: 700;
}

.sidebar-footer {
  padding: var(--sp-3);
  border-top: 1px solid var(--c-border);
}

/* ── Header ──────────────────────────────────────────────── */
.header {
  grid-area: header;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-5);
  gap: var(--sp-4);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-search {
  flex: 1;
  max-width: 480px;
  position: relative;
}
.header-search .input { padding-inline-start: 40px; background: var(--c-surface); border-color: transparent; }
.header-search .input:focus { background: var(--c-bg); border-color: var(--c-primary); }
.header-search .input-icon {
  position: absolute;
  inset-inline-start: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-3);
  width: 16px; height: 16px;
}

.header-actions { display: flex; align-items: center; gap: var(--sp-2); }
.icon-btn {
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--c-text-2);
  background: transparent;
  cursor: pointer;
  transition: all var(--t-fast);
  position: relative;
  border: 0;
}
.icon-btn:hover { background: var(--c-surface); color: var(--c-text); }
.icon-btn .badge-dot {
  position: absolute;
  top: 8px;
  inset-inline-end: 8px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 2px solid var(--c-bg);
}

.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--c-text);
  color: var(--c-bg);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: var(--fs-sm);
  flex-shrink: 0;
}

.menu-trigger {
  display: none;
  width: 40px; height: 40px;
}
@media (max-width: 1024px) {
  .menu-trigger { display: grid; }
  .header-search { display: none; }
}

/* ── Main ────────────────────────────────────────────────── */
.main {
  grid-area: main;
  padding: var(--sp-5);
  overflow-x: hidden;
}
@media (min-width: 768px) {
  .main { padding: var(--sp-6); }
}

.page-hd {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}
.page-hd h1 { font-size: var(--fs-2xl); }
.page-hd .actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

/* ── Auth/Centered layout ────────────────────────────────── */
.auth-layout {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 768px) {
  .auth-layout { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
}
.auth-aside {
  background: linear-gradient(160deg, var(--jp-black) 0%, #1a1a1a 100%);
  color: white;
  padding: var(--sp-12) var(--sp-10);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.auth-aside::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(200,16,46,0.18), transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(0,122,61,0.18), transparent 40%);
}
.auth-aside > * { position: relative; }
.auth-form-wrap {
  background: var(--c-bg);
  padding: var(--sp-8) var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-form {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

/* Mobile drawer scrim */
.scrim {
  position: fixed;
  inset: 0;
  background: var(--c-overlay);
  z-index: 49;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med);
}
.scrim.open { opacity: 1; pointer-events: auto; }

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  align-items: center;
  padding: var(--sp-3);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  margin-bottom: var(--sp-4);
}

/* KPI grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}
.kpi {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.kpi-label { font-size: var(--fs-xs); color: var(--c-text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.kpi-value { font-size: var(--fs-3xl); font-weight: 800; line-height: 1; letter-spacing: -0.01em; }
.kpi-value .unit { font-size: var(--fs-md); font-weight: 500; color: var(--c-text-2); margin-inline-start: 4px; }
.kpi-trend { display: flex; align-items: center; gap: 6px; font-size: var(--fs-xs); font-weight: 600; }
.kpi-trend.up { color: var(--c-success); }
.kpi-trend.down { color: var(--c-danger); }
.kpi-spark { height: 36px; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: var(--sp-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
@media (max-width: 1024px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 768px) and (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}