/* ==========================================================================
   Daftar — base: reset, page ground, paper texture, shared primitives
   ========================================================================== */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* Large tiranga wash behind the whole site (7% opacity). Hairline .tiranga stays. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.07;
  background:
    linear-gradient(
      180deg,
      #ff9933 0%,
      #ff9933 33.33%,
      #ffffff 33.33%,
      #ffffff 66.66%,
      #138808 66.66%,
      #138808 100%
    );
}

.page {
  position: relative;
  z-index: 1;
}

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

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

a { color: inherit; }

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 3px;
}

::selection { background: var(--saffron); color: var(--ink); }

/* --- Paper grain ---------------------------------------------------------
   Fixed fractal-noise overlay. Very low opacity — you should feel it, not
   see it. pointer-events:none so it never eats a click. */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.42;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.38'/%3E%3C/svg%3E");
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .grain {
    mix-blend-mode: screen;
    opacity: 0.20;
  }
}
:root[data-theme="dark"] .grain { mix-blend-mode: screen; opacity: 0.20; }

/* --- Accessibility ------------------------------------------------------- */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-pill);
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease-out);
}
.skip-link:focus-visible { transform: translateY(0); }

/* --- Rules ---------------------------------------------------------------
   The register's horizontal ruling, as a reusable hairline. */
.rule {
  height: 1px;
  background: var(--border);
  border: 0;
}

/* Editorial double rule — masthead separator. */
.rule--double {
  height: 4px;
  background: none;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  opacity: 0.55;
}

/* --- Buttons ------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.btn:hover {
  color: var(--text);
  border-color: var(--ink-faint);
  transform: translateY(-1px);
}
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.btn--primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-on); }

/* --- Tag / chip ---------------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--bg-sunk);
  color: var(--text-faint);
  border: 1px solid var(--border);
}
.tag--central { background: var(--indigo-soft); color: var(--place); border-color: transparent; }
.tag--verified { background: var(--green-soft); color: var(--green); border-color: transparent; }

/* --- Motion preference --------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}