/* ============================================================================
   Parkify Enterprise UI System
   File: assets/css/layout.css
   Purpose: Responsive layout, containers, grids, sections, dashboard shells
   Dependency: variables.css, typography.css
   ============================================================================ */

/* --------------------------------------------------------------------------
   01. Global layout reset helpers
-------------------------------------------------------------------------- */

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100svh;
  overflow-x: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

iframe {
  max-width: 100%;
  border: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

/* --------------------------------------------------------------------------
   02. Page shell
-------------------------------------------------------------------------- */

.pf-page {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--pf-bg-body, #07111f);
  color: var(--pf-text-primary, #f8fafc);
  isolation: isolate;
}

.pf-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 8%, rgba(20, 184, 166, .18), transparent 32rem),
    radial-gradient(circle at 86% 12%, rgba(59, 130, 246, .16), transparent 34rem),
    radial-gradient(circle at 50% 92%, rgba(16, 185, 129, .10), transparent 34rem),
    var(--pf-bg-body, #07111f);
}

.pf-page::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .34;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95), transparent 78%);
}

.pf-main {
  width: 100%;
  min-height: calc(100vh - var(--pf-nav-height, 76px));
}

.pf-main--safe {
  padding-top: var(--pf-nav-height, 76px);
}

.pf-section {
  position: relative;
  padding-block: clamp(3rem, 7vw, 7rem);
}

.pf-section--sm {
  padding-block: clamp(2rem, 4vw, 4rem);
}

.pf-section--lg {
  padding-block: clamp(4rem, 9vw, 9rem);
}

.pf-section--no-top {
  padding-top: 0;
}

.pf-section--no-bottom {
  padding-bottom: 0;
}

/* --------------------------------------------------------------------------
   03. Container system
-------------------------------------------------------------------------- */

.pf-container,
.container {
  width: min(100% - clamp(1.25rem, 4vw, 4rem), var(--pf-container-xl, 1200px));
  margin-inline: auto;
}

.pf-container--xs {
  width: min(100% - clamp(1.25rem, 4vw, 4rem), 560px);
  margin-inline: auto;
}

.pf-container--sm {
  width: min(100% - clamp(1.25rem, 4vw, 4rem), 760px);
  margin-inline: auto;
}

.pf-container--md {
  width: min(100% - clamp(1.25rem, 4vw, 4rem), 980px);
  margin-inline: auto;
}

.pf-container--lg {
  width: min(100% - clamp(1.25rem, 4vw, 4rem), 1120px);
  margin-inline: auto;
}

.pf-container--xl {
  width: min(100% - clamp(1.25rem, 4vw, 4rem), 1280px);
  margin-inline: auto;
}

.pf-container--2xl {
  width: min(100% - clamp(1.25rem, 4vw, 4rem), 1440px);
  margin-inline: auto;
}

.pf-container--fluid {
  width: min(100% - clamp(1rem, 3vw, 2rem), 100%);
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   04. Grid system
-------------------------------------------------------------------------- */

.pf-grid {
  display: grid;
  gap: var(--pf-gap, clamp(1rem, 2vw, 1.5rem));
}

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

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

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

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

.pf-grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.pf-grid--auto-sm {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
}

.pf-grid--auto-lg {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
}

.pf-col-span-2 { grid-column: span 2; }
.pf-col-span-3 { grid-column: span 3; }
.pf-col-span-4 { grid-column: span 4; }
.pf-col-span-5 { grid-column: span 5; }
.pf-col-span-6 { grid-column: span 6; }
.pf-col-span-7 { grid-column: span 7; }
.pf-col-span-8 { grid-column: span 8; }
.pf-col-span-9 { grid-column: span 9; }
.pf-col-span-10 { grid-column: span 10; }
.pf-col-span-11 { grid-column: span 11; }
.pf-col-span-12 { grid-column: span 12; }

/* --------------------------------------------------------------------------
   05. Enterprise page layouts
-------------------------------------------------------------------------- */

.pf-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .62fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: start;
}

.pf-split--reverse {
  grid-template-columns: minmax(320px, .62fr) minmax(0, 1.05fr);
}

.pf-split--equal {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pf-sidebar-layout {
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr);
  gap: clamp(1rem, 2vw, 2rem);
  align-items: start;
}

.pf-booking-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
  gap: clamp(1.25rem, 3vw, 2.75rem);
  align-items: start;
}

.pf-admin-layout,
.pf-owner-layout {
  display: grid;
  grid-template-columns: minmax(248px, 286px) minmax(0, 1fr);
  min-height: 100vh;
  min-height: 100svh;
}

.pf-admin-main,
.pf-owner-main {
  min-width: 0;
  padding: clamp(1rem, 2vw, 2rem);
}

.pf-stack {
  display: flex;
  flex-direction: column;
  gap: var(--pf-stack-gap, 1rem);
}

.pf-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pf-cluster-gap, .75rem);
  align-items: center;
}

.pf-inline-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pf-center {
  display: grid;
  place-items: center;
}

/* --------------------------------------------------------------------------
   06. Hero layouts
-------------------------------------------------------------------------- */

.pf-hero {
  position: relative;
  padding-block: clamp(5.5rem, 10vw, 9rem) clamp(3rem, 7vw, 6rem);
  overflow: hidden;
}

.pf-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.pf-hero__content {
  max-width: 760px;
}

.pf-hero__visual {
  min-width: 0;
}

.pf-page-header {
  padding-block: clamp(5rem, 8vw, 7.5rem) clamp(2rem, 5vw, 4rem);
}

.pf-page-header__inner {
  display: grid;
  gap: 1rem;
  max-width: 850px;
}

/* --------------------------------------------------------------------------
   07. Parking and card grids
-------------------------------------------------------------------------- */

.pf-parking-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  align-items: stretch;
}

.pf-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  align-items: stretch;
}

.pf-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(.875rem, 1.8vw, 1.25rem);
}

.pf-filter-layout {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr auto;
  gap: .875rem;
  align-items: end;
}

/* --------------------------------------------------------------------------
   08. Sticky and safe positioning
-------------------------------------------------------------------------- */

.pf-sticky {
  position: sticky;
  top: calc(var(--pf-nav-height, 76px) + 1rem);
  align-self: start;
}

.pf-sticky--top {
  position: sticky;
  top: 1rem;
  z-index: 20;
}

.pf-safe-bottom {
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
}

.pf-safe-top {
  padding-top: max(1rem, env(safe-area-inset-top));
}

/* --------------------------------------------------------------------------
   09. Spacing utilities
-------------------------------------------------------------------------- */

.pf-gap-xs { gap: .5rem; }
.pf-gap-sm { gap: .75rem; }
.pf-gap-md { gap: 1rem; }
.pf-gap-lg { gap: 1.5rem; }
.pf-gap-xl { gap: 2rem; }
.pf-gap-2xl { gap: 3rem; }

.pf-mt-0 { margin-top: 0; }
.pf-mt-xs { margin-top: .5rem; }
.pf-mt-sm { margin-top: .75rem; }
.pf-mt-md { margin-top: 1rem; }
.pf-mt-lg { margin-top: 1.5rem; }
.pf-mt-xl { margin-top: 2rem; }
.pf-mt-2xl { margin-top: 3rem; }

.pf-mb-0 { margin-bottom: 0; }
.pf-mb-xs { margin-bottom: .5rem; }
.pf-mb-sm { margin-bottom: .75rem; }
.pf-mb-md { margin-bottom: 1rem; }
.pf-mb-lg { margin-bottom: 1.5rem; }
.pf-mb-xl { margin-bottom: 2rem; }
.pf-mb-2xl { margin-bottom: 3rem; }

.pf-p-xs { padding: .5rem; }
.pf-p-sm { padding: .75rem; }
.pf-p-md { padding: 1rem; }
.pf-p-lg { padding: 1.5rem; }
.pf-p-xl { padding: 2rem; }
.pf-p-2xl { padding: 3rem; }

/* --------------------------------------------------------------------------
   10. Visibility and overflow utilities
-------------------------------------------------------------------------- */

.pf-hidden { display: none !important; }
.pf-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.pf-overflow-hidden { overflow: hidden; }
.pf-overflow-auto { overflow: auto; }
.pf-no-scrollbar { scrollbar-width: none; }
.pf-no-scrollbar::-webkit-scrollbar { display: none; }

/* --------------------------------------------------------------------------
   11. Responsive behavior
-------------------------------------------------------------------------- */

@media (max-width: 1180px) {
  .pf-hero__grid,
  .pf-split,
  .pf-split--reverse,
  .pf-booking-layout {
    grid-template-columns: 1fr;
  }

  .pf-sticky {
    position: relative;
    top: auto;
  }

  .pf-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pf-filter-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .pf-sidebar-layout,
  .pf-admin-layout,
  .pf-owner-layout {
    grid-template-columns: 1fr;
  }

  .pf-admin-main,
  .pf-owner-main {
    padding: clamp(.875rem, 3vw, 1.5rem);
  }

  .pf-grid--2,
  .pf-grid--3,
  .pf-grid--4,
  .pf-grid--12 {
    grid-template-columns: 1fr;
  }

  .pf-col-span-2,
  .pf-col-span-3,
  .pf-col-span-4,
  .pf-col-span-5,
  .pf-col-span-6,
  .pf-col-span-7,
  .pf-col-span-8,
  .pf-col-span-9,
  .pf-col-span-10,
  .pf-col-span-11,
  .pf-col-span-12 {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .pf-section {
    padding-block: clamp(2.25rem, 8vw, 3.5rem);
  }

  .pf-hero {
    padding-block: clamp(4.75rem, 16vw, 6rem) clamp(2rem, 9vw, 3rem);
  }

  .pf-container,
  .container,
  .pf-container--xs,
  .pf-container--sm,
  .pf-container--md,
  .pf-container--lg,
  .pf-container--xl,
  .pf-container--2xl {
    width: min(100% - 1rem, 100%);
  }

  .pf-filter-layout,
  .pf-stats-grid {
    grid-template-columns: 1fr;
  }

  .pf-inline-between {
    align-items: flex-start;
    flex-direction: column;
  }

  .pf-card-grid,
  .pf-parking-grid {
    grid-template-columns: 1fr;
  }
}

@media (orientation: landscape) and (max-height: 520px) {
  .pf-hero {
    padding-block: 4.5rem 2rem;
  }

  .pf-section {
    padding-block: 2rem;
  }
}

@media (min-width: 1800px) {
  .pf-container--2xl {
    width: min(100% - 6rem, 1600px);
  }

  .pf-parking-grid {
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}