/**
 * ═══════════════════════════════════════════════════════════════════════
 * GLOBAL LOADER — IPL Theme (civic seal layout)
 * ═══════════════════════════════════════════════════════════════════════
 * Requires: Font Awesome (fa-landmark icon).
 * No external font dependency — serif display uses the system serif
 * stack, body/caption text uses the system sans stack.
 *
 * IDs and functional classes referenced by global-loader.js are unchanged:
 *   #searchLoaderModal, #searchLoaderTitle, #searchLoaderSubtitle,
 *   #searchLoaderSteps, .loader-dot / .is-active / .is-done, .hidden
 */

/* ─── Palette (sampled from the IPL mark) ───
   navy  #17255A   blue  #2F6FB4   sky  #AFCBE8
   stone #D8D0B8   line  #DCE3EE   ink-muted #5B6B85            */

/* ─── Backdrop ─── */
.loader-backdrop {
  background: rgba(17, 27, 66, 0.55);
  backdrop-filter: blur(4px);
}

/* ─── Modal entry ─── */
#searchLoaderModal {
  animation: loaderFadeIn 0.2s ease-out;
}

#searchLoaderModal .loader-card {
  transform: translate(-50%, -50%);
  animation: loaderRise 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes loaderFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes loaderRise {
  from { opacity: 0; transform: translate(-50%, -50%) translateY(10px); }
  to   { opacity: 1; transform: translate(-50%, -50%) translateY(0); }
}

/* ─── Card frame — reads as a seal/certificate, not a SaaS panel ─── */
.loader-frame {
  background: #FFFFFF;
  border: 1px solid #DCE3EE;
  border-radius: 20px;
  box-shadow:
    0 0 0 5px rgba(175, 203, 232, 0.28),
    0 22px 44px -18px rgba(23, 37, 90, 0.35),
    0 2px 8px rgba(23, 37, 90, 0.08);
}

/* Faint IPL logo watermark sitting behind the content */
.loader-watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
}
.loader-watermark img {
  width: 78%;
  max-width: 340px;
  object-fit: contain;
  opacity: 0.07;
  filter: grayscale(1) contrast(1.1);
}

/* ─── Seal mark + ring ─── */
.loader-seal {
  background: #17255A;
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.12),
    inset 0 -2px 5px rgba(0, 0, 0, 0.22);
}

.loader-ring {
  border-radius: 50%;
  background: conic-gradient(
    from -90deg,
    #2F6FB4 0deg,
    #2F6FB4 250deg,
    transparent 250deg,
    transparent 360deg
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px));
  animation: loaderSpin 1.1s linear infinite;
}

@keyframes loaderSpin {
  to { transform: rotate(360deg); }
}

/* ─── Title / subtitle ─── */
.loader-title {
  font-family: Georgia, Cambria, 'Times New Roman', serif;
  color: #17255A;
  letter-spacing: -0.01em;
}

.loader-subtitle {
  color: #5B6B85;
}

/* ─── Classical double rule ─── */
.loader-divider {
  height: 5px;
  border-top: 1px solid #AFCBE8;
  border-bottom: 1px solid #DCE3EE;
}

/* ─── Optional step dots ─── */
#searchLoaderSteps .loader-dot {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: #DCE3EE;
  transition: background 0.2s ease, transform 0.2s ease;
}
#searchLoaderSteps .loader-dot.is-active {
  background: #2F6FB4;
  transform: scale(1.2);
}
#searchLoaderSteps .loader-dot.is-done {
  background: #17255A;
}

/* ─── Progress bar ─── */
.loader-progress-track {
  background: #EEF2F8;
}

.loader-progress-bar {
  background: #2F6FB4;
  animation: loaderSweep 1.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes loaderSweep {
  0%   { left: -30%; width: 30%; }
  55%  { left: 100%;  width: 30%; }
  100% { left: 100%;  width: 30%; }
}

/* ─── Footer caption ─── */
.loader-caption {
  color: #7C8AA3;
  letter-spacing: 0.04em;
}

/* ─── Reduced motion (accessibility) ─── */
@media (prefers-reduced-motion: reduce) {
  #searchLoaderModal,
  #searchLoaderModal .loader-card,
  .loader-ring,
  .loader-progress-bar {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}