/* =============================================================================
   TruckerProfit CRM — Layout
   Sidebar shell + grid + responsive breakpoints (390 / 768 / 1280 / 1920)
   ============================================================================= */

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-15);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

body {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  min-height: 100vh;
}

body[data-sidebar="collapsed"] {
  grid-template-columns: var(--sidebar-w-collapsed) 1fr;
}

/* --------- Header --------- */
.chrome-header {
  grid-area: header;
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  padding: 0 var(--content-pad-x);
  background: color-mix(in srgb, var(--bg-surface) 92%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  height: var(--header-h);
}

.chrome-header__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  font-family: var(--font-display);
  font-weight: var(--fw-display-black);
  font-size: var(--fs-18);
  letter-spacing: var(--ls-display);
  color: var(--text-primary);
  text-decoration: none;
}

.chrome-header__brand mark {
  background: none;
  color: var(--gold);
}

.chrome-header__spacer { flex: 1 1 auto; }

.chrome-header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

/* --------- Sidebar --------- */
.chrome-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: var(--z-sidebar);
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chrome-sidebar__header {
  height: var(--header-h);
  padding: 0 var(--sp-24);
  display: flex;
  align-items: center;
  gap: var(--sp-12);
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.chrome-sidebar__logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: var(--fw-display-black);
  color: var(--navy);
  font-size: var(--fs-14);
  letter-spacing: var(--ls-display);
  flex-shrink: 0;
}

.chrome-sidebar__title {
  font-family: var(--font-display);
  font-weight: var(--fw-display-bold);
  font-size: var(--fs-16);
  letter-spacing: var(--ls-display);
  color: var(--text-primary);
  line-height: 1.1;
}

.chrome-sidebar__title small {
  display: block;
  font-family: var(--font-body);
  font-weight: var(--fw-medium);
  font-size: var(--fs-12);
  color: var(--text-muted);
  letter-spacing: 0;
  text-transform: uppercase;
  margin-top: 2px;
}

.chrome-sidebar__nav {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--sp-16) var(--sp-12);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  scrollbar-width: thin;
  scrollbar-color: var(--border-default) transparent;
}

.chrome-sidebar__nav::-webkit-scrollbar { width: 6px; }
.chrome-sidebar__nav::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 3px;
}

.chrome-sidebar__footer {
  padding: var(--sp-16);
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-12);
}

.chrome-sidebar__footer-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.chrome-sidebar__footer-name {
  font-size: var(--fs-14);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chrome-sidebar__footer-role {
  font-size: var(--fs-12);
  color: var(--text-muted);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

body[data-sidebar="collapsed"] .chrome-sidebar__title,
body[data-sidebar="collapsed"] .nav-item__label,
body[data-sidebar="collapsed"] .chrome-sidebar__footer-detail,
body[data-sidebar="collapsed"] .nav-section__title {
  display: none;
}

body[data-sidebar="collapsed"] .nav-item {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
}

/* --------- Main --------- */
.page-main {
  grid-area: main;
  padding: var(--sp-48) var(--content-pad-x) var(--sp-120);
  max-width: 100%;
  overflow-x: hidden;
}

.page-wrap {
  max-width: var(--page-max);
  margin: 0 auto;
}

/* --------- Grid utilities --------- */
.grid {
  display: grid;
  gap: var(--sp-24);
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.stack { display: flex; flex-direction: column; gap: var(--sp-16); }
.stack-lg { display: flex; flex-direction: column; gap: var(--sp-32); }
.row { display: flex; flex-wrap: wrap; gap: var(--sp-16); align-items: center; }
.row-end { justify-content: flex-end; }
.row-between { justify-content: space-between; }

.section { margin-block: var(--sp-80); }
.section:first-child { margin-top: 0; }

/* --------- Breakpoints --------- */

/* Wide >=1920 */
@media (min-width: 1920px) {
  :root { --content-pad-x: var(--sp-48); }
}

/* Desktop default >=1280 — base */

/* Small desktop / large tablet 1024-1279 */
@media (max-width: 1279px) {
  :root {
    --sidebar-w: 232px;
    --content-pad-x: var(--sp-24);
  }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Tablet 768-1023 — sidebar collapses */
@media (max-width: 1023px) {
  body {
    grid-template-columns: var(--sidebar-w-collapsed) 1fr;
  }
  .chrome-sidebar__title,
  .nav-item__label,
  .chrome-sidebar__footer-detail,
  .nav-section__title { display: none; }
  .nav-item { justify-content: center; padding-left: 0; padding-right: 0; }
  .chrome-sidebar__footer { justify-content: center; }
}

/* Mobile <=767 — sidebar becomes drawer */
@media (max-width: 767px) {
  :root {
    --content-pad-x: var(--sp-16);
    --header-h: 56px;
  }
  body {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main";
  }
  .chrome-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: min(86vw, 320px);
    height: 100vh;
    transform: translateX(-100%);
    transition: transform var(--dur-slow) var(--ease-out);
    box-shadow: var(--shadow-xl);
  }
  body[data-mobile-sidebar="open"] .chrome-sidebar {
    transform: translateX(0);
  }
  body[data-mobile-sidebar="open"]::before {
    content: "";
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    z-index: calc(var(--z-sidebar) - 1);
    backdrop-filter: blur(4px);
  }
  .chrome-sidebar__title,
  .nav-item__label,
  .chrome-sidebar__footer-detail,
  .nav-section__title { display: block; }
  .nav-item { justify-content: flex-start; padding-left: var(--sp-12); padding-right: var(--sp-12); }
  .chrome-sidebar__footer { justify-content: flex-start; }
  .chrome-header__brand-text { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .page-main { padding: var(--sp-32) var(--content-pad-x) var(--sp-64); }
  .section { margin-block: var(--sp-48); }
}

.mobile-only { display: none; }
@media (max-width: 767px) { .mobile-only { display: inline-flex; } }
.desktop-only { display: inline-flex; }
@media (max-width: 767px) { .desktop-only { display: none; } }