:root {
  --bg: #0b132b;
  --fg: #e7ecff;
  --muted: #b4bccf;     /* lighter for better contrast in dark theme */
  --accent: #5aa0ff;
  /* Translucent card surface for frosted effect */
  --card: rgba(21, 28, 53, 0.75);
  --border: #263056;
  --btn: #3a506b;
  /* Backdrop overlays (used by modals/menus) */
  --backdrop-bg: rgba(0,0,0,0.50);
  --backdrop-weak-bg: rgba(0,0,0,0.25);
  --header-h: 64px; /* default; updated by JS at runtime */
  --banner-h: 0px;  /* height of install banner; updated by JS at runtime */
  /* App-wide input vars (used by modals, etc.) */
  --input-bg-color: #0f1730;
  --input-fg-color: var(--fg);
  /* Global button variables (used by header buttons) */
  --button-bg-color: var(--btn);
  --button-color: var(--fg);
  --shadow: 0 12px 36px rgba(0,0,0,.35);
  /* Banner and kbd defaults (dark) */
  --banner-bg: #152041;
  --banner-fg: #e7ecff;
  --banner-border: #2a345a;
  --banner-primary-bg: #3a86ff;
  --banner-primary-fg: #0b132b;
  --kbd-bg: #0f1730;
  --kbd-fg: #e7ecff;
  --kbd-border: #2a345a;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  /* Layered background: fixed translucent overlay + fixed hero image + solid fallback */
  background-color: var(--bg);
  /* Image/overlay are applied by JS for random optimized backgrounds */
  /* Keep positioning defaults to match JS-applied image */
  background-repeat: no-repeat, no-repeat;
  background-position: center 5vh, center 5vh;
  background-size: cover, contain;
  /* Fix both layers so translucency doesn't scroll away */
  background-attachment: fixed, fixed;
  color: var(--fg);
  line-height: 1.45;
  letter-spacing: .2px;
}

/* Dedicated background image layer so we can fade in smoothly */
#bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1; /* behind everything */
  pointer-events: none;
  background-repeat: no-repeat;
  background-position: center 5vh;
  background-size: contain;
  background-attachment: fixed;
  opacity: 0;
  transition: opacity 300ms ease-in;
}
#bg-layer.show {
  opacity: 1;
}

/* Light theme (top-level) */
:root[data-theme="light"] {
  --bg: #f7f9ff;
  --fg: #0b132b;        /* darker text for stronger contrast */
  --muted: #475569;     /* slate-600 for even better readability */
  --accent: #1c64f2;
  /* Light theme translucent card (more opaque for better contrast) */
  --card: rgba(255, 255, 255, 0.90);
  --border: #a8b5d8;    /* slightly darker border for clearer separation */
  --btn: #dbe4ff;       /* slightly darker button bg */
  /* Backdrops in light mode with stronger opacity for better contrast */
  --backdrop-bg: rgba(0,0,0,0.60);
  --backdrop-weak-bg: rgba(0,0,0,0.30);
  /* App-wide input vars (light) */
  --input-bg-color: #f3f6ff;
  --input-fg-color: #0b132b;
  /* Header/primary buttons map to theme vars in light mode */
  --button-bg-color: var(--btn);
  --button-color: var(--fg);
  --shadow: 0 8px 28px rgba(10, 14, 35, 0.15);
  /* Light variants */
  --banner-bg: #e8f0ff;
  --banner-fg: #0b132b;
  --banner-border: #b8c1e1;
  --banner-primary-bg: #1c64f2;
  --banner-primary-fg: #ffffff;
  --kbd-bg: #eef2ff;
  --kbd-fg: #0b132b;
  --kbd-border: #b8c1e1;
}

/* Light mode: keep the hero image, soften with a light translucent overlay for readability */
:root[data-theme="light"] body {
  background-color: var(--bg);
  /* Image/overlay are applied by JS for random optimized backgrounds */
  background-repeat: no-repeat, no-repeat;
  background-position: center 5vh, center 5vh;
  background-size: cover, contain;
  /* Fix overlay and image to avoid overlay scrolling off-screen */
  background-attachment: fixed, fixed;
}

.app-header {
  position: fixed;
  top: var(--banner-h, 0px); /* slide below banner when visible */
  left: 0;
  right: 0;
  z-index: 10; /* below install banner (20), above content */
  /* Respect device safe areas while keeping original spacing */
  padding: calc(0.7rem + env(safe-area-inset-top)) max(0.9rem, env(safe-area-inset-right)) 0.7rem max(0.9rem, env(safe-area-inset-left));
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  transition: top 160ms ease; /* subtle animation when banner shows/hides */
}
.icon-btn { 
  background: var(--btn-muted-bg, rgba(255,255,255,0.08)); 
  color: var(--btn-muted-fg, var(--fg)); 
  border: 1px solid var(--border); 
  border-radius: 8px; 
  padding: .4rem .65rem; 
  cursor: pointer; 
  min-height: 44px; 
  touch-action: manipulation; 
  -webkit-tap-highlight-color: transparent;
  transition: transform 200ms ease, background-color 200ms ease, box-shadow 200ms ease;
}
.icon-btn:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.icon-btn:hover { 
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  background: var(--btn);
  color: var(--fg);
}
.icon-btn:active { 
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.container {
  display: grid;
  place-items: center;
  /* Mobile-first padding; scales up via media queries */
  padding: calc(1rem + var(--header-h) + var(--banner-h)) 1rem 2rem; /* add top space equal to header + banner height */
  min-height: 100vh; /* Ensure full viewport height */
}

/* Mobile: Better viewport handling */
@media (max-width: 640px) {
  .container {
    padding: calc(0.5rem + var(--header-h) + var(--banner-h)) 0.5rem 1rem;
    min-height: 100vh;
    align-items: start; /* Align to top instead of center on mobile */
  }
}

/* Mobile landscape optimization */
@media (max-width: 640px) and (orientation: landscape) {
  .container {
    padding: calc(0.25rem + var(--header-h) + var(--banner-h)) 0.5rem 0.5rem;
  }
  .card {
    max-height: calc(100vh - 80px);
  }
}

.card {
  /* Translucent card to let the background image subtly show through */
  background: var(--card);
  /* Frosted-glass effect where supported */
  backdrop-filter: saturate(120%) blur(6px);
  -webkit-backdrop-filter: saturate(120%) blur(6px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1.1rem 1.25rem;
  box-shadow: var(--shadow);
  /* Mobile-first: take full width, constrain on larger screens */
  width: 100%;
  max-width: 640px;
  margin: auto;
  /* Mobile: ensure card doesn't exceed viewport */
  max-height: calc(100vh - 2rem);
  overflow: hidden;
}

/* Mobile card improvements */
@media (max-width: 640px) {
  .card {
    border-radius: 12px;
    padding: 0.8rem;
    margin: 0.5rem;
    max-height: calc(100vh - 120px); /* Account for header and safe areas */
    display: flex;
    flex-direction: column;
  }
}

/* Light theme translucency is controlled via --card */

/* Bridge theme variables into <drawer-count> shadow via host */
drawer-count {
  --main-color: var(--fg);
  --border-color: var(--border);
  --input-bg-color: #0f1730;
  --button-bg-color: var(--btn);
  --button-color: #10b981;
  --button-rem-color: #ef4444;
  /* Background for mobile stepper bar within shadow DOM */
  --panel-bg: var(--card);
}
:root[data-theme="light"] drawer-count {
  --input-bg-color: #f3f6ff;
  --button-bg-color: #dbe4ff;
  --button-color: #0b132b; /* dark text for contrast on light button */
  --button-rem-color: #b91c1c;
  /* Light-themed panel background for stepper */
  --panel-bg: var(--card);
}

input[type="number"] {
  background: #0f1730;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  min-height: 44px; /* mobile tap target */
  font-size: 16px;  /* prevent iOS zoom */
}
:root[data-theme="light"] input[type="number"] { background: #f3f6ff; color: #0b132b; border-color: var(--border); }

/* Buttons in light mode: ensure text contrast on light bg */
:root[data-theme="light"] .btn { background: var(--btn); color: #0b132b; border-color: var(--border); }

/* Muted text in light mode slightly darker for readability */
:root[data-theme="light"] .hint { color: #475569; }

.btn {
  background: var(--btn);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  min-height: 44px; /* mobile tap target */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-outline {
  background: transparent;
  border-color: var(--btn);
}

.hint {
  color: var(--muted);
  margin-top: 0.85rem;
  text-align: center;
}

.noscript {
  background: #ffeeee;
  color: #220000;
  padding: 0.75rem;
}

/* Floating offline pill */
network-status {
  position: fixed;
  /* Respect device safe areas (e.g., iPhone notch/home indicator) */
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 50;
  background: #1f2a52;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  box-shadow: var(--shadow);
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
/* Inline server badge inside the network-status pill */
network-status .server-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 6px;
  padding-left: 10px;
  border-left: 1px dashed rgba(255,255,255,0.2);
}
:root[data-theme="light"] network-status .server-badge { border-left-color: rgba(0,0,0,0.2); }
network-status .server-badge .icon { font-size: 1rem; line-height: 1; }
network-status .server-badge.ok .icon { filter: hue-rotate(80deg) saturate(1.2); }
network-status .server-badge.warn .icon { filter: saturate(1); }
network-status .server-badge.err .icon { filter: hue-rotate(-20deg) saturate(1.2); }
/* Light theme background for the status pill */
:root[data-theme="light"] network-status { background: #eef2ff; }
network-status .dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
  border: 2px solid rgba(0,0,0,.25);
  box-sizing: border-box;
}
network-status.online .dot { background: #10b981; border-color: rgba(16,185,129,.35); }
network-status.offline .dot { background: #ef4444; border-color: rgba(239,68,68,.35); }
/* Mixed: online transport OK but server DB limited/unavailable */
network-status.mixed .dot { background: #f59e0b; border-color: rgba(245,158,11,.35); }
/* Optional: lightly tint server badge in mixed state */
network-status .server-badge.warn .text { color: #fcd34d; }
network-status .server-badge.err .text { color: #fca5a5; }

/*
  Responsive enhancements (progressive) 
  -------------------------------------
*/
@media (min-width: 480px) {
  .container { padding: calc(1.25rem + var(--header-h) + var(--banner-h)) 1.25rem 2.25rem; }
  .controls { grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
  .quick { grid-template-columns: 1fr auto; }
}

@media (min-width: 768px) {
  .container { padding: calc(2rem + var(--header-h) + var(--banner-h)) 1.5rem 3rem; }
  .card { max-width: 720px; }
}

/* Theme variables and dark mode improvements */
:root {
  /* Buttons within count-panel use these */
  --btn-bg: #0b132b;
  --btn-fg: #ffffff;
  --btn-muted-bg: rgba(11,19,43,0.08);
  --btn-muted-fg: #0b132b;
}

[data-theme="dark"] {
  --btn-bg: #60a5fa;
  --btn-fg: #0b132b;
  --btn-muted-bg: rgba(255,255,255,0.08);
  --btn-muted-fg: #e5e7eb;
}

[data-theme="light"] {
  --btn-bg: #1c64f2;
  --btn-fg: #ffffff;
  --btn-muted-bg: rgba(28,100,242,0.08);
  --btn-muted-fg: #0b132b;
}

/* Center the main card/panel in the page while keeping background visible */
main.container {
  min-height: calc(100svh - 5rem);
  display: grid;
  place-items: start center;
}

/* When empty, center the initial message vertically */
main.container:has(.count-panel.empty) {
  place-items: center;
}
/* Background image layer managed by JS (fades in when ready) */
#bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-position: center 5vh;
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0;
  transition: opacity 300ms ease;
}
#bg-layer.show { opacity: 1; }

main.container > .card {
  width: min(900px, 92vw);
  margin-inline: auto;
}

/* Collapsible count panel */
.count-panel { display: block; }
.count-panel .panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.count-panel .panel-title { font-weight: 600; }
.count-panel .panel-actions { display: inline-flex; gap: 0.5rem; }
.count-panel .panel-actions button {
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--btn-muted-bg);
  color: var(--btn-muted-fg);
  transition: transform 200ms ease, background-color 200ms ease, box-shadow 200ms ease;
  cursor: pointer;
  min-height: 44px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.count-panel .panel-actions button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.count-panel .panel-actions button:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Enhanced toggle button animation */
.count-panel .panel-actions .toggle-btn {
  transition: background-color 200ms ease,
              box-shadow 200ms ease,
              color 200ms ease;
  position: relative;
  font-weight: 500;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.count-panel .panel-actions .toggle-btn:hover {
  background-color: var(--btn);
  color: var(--fg);
}

.count-panel .panel-actions .toggle-btn:active {
  transform: scale(0.95);
}
.count-panel .panel-actions .start-btn,
.count-panel .panel-actions .complete-btn,
.count-panel .panel-actions .reopen-btn {
  background: var(--btn-bg);
  color: var(--btn-fg);
  border-color: transparent;
}

/* Enhanced styling for start button - make it more prominent on initial page load */
.count-panel .panel-actions .start-btn {
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(90, 160, 255, 0.25);
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

.count-panel .panel-actions .start-btn:hover {
  background: var(--accent);
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(90, 160, 255, 0.35);
}

.count-panel .panel-actions .start-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(90, 160, 255, 0.3);
}
.count-panel .panel-actions .complete-btn { filter: saturate(115%); }
.count-panel .panel-actions .reopen-btn { filter: saturate(115%); }

/* Subtle processing animation for Complete/Save button */
.count-panel .panel-actions button.processing {
  position: relative;
}
.count-panel .panel-actions button .dots {
  display: inline-block;
  width: 1.5em; /* space for three dots */
  text-align: left;
}
@keyframes dca-ellipsis {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
  100% { content: ''; }
}
/* Use pseudo content animation on a :after to avoid layout jitter */
.count-panel .panel-actions button.processing .dots::after {
  content: '';
  display: inline-block;
  animation: dca-ellipsis 1.2s steps(4, end) infinite;
}

/* Dim disabled buttons slightly for clarity */
.count-panel .panel-actions button[disabled] {
  opacity: .7;
  cursor: not-allowed;
}

/* Animate height with JS-controlled height property */
.count-panel .panel-body {
  overflow: hidden;
  height: 0;
  transition: height 320ms cubic-bezier(0.4, 0.0, 0.2, 1), 
              opacity 280ms ease,
              transform 280ms cubic-bezier(0.4, 0.0, 0.2, 1);
  opacity: 0;
  transform: translateY(-4px);
}

.count-panel .panel-body:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .count-panel .panel-body {
    transition: height 150ms ease, opacity 100ms ease;
    transform: none !important;
  }
  
  .count-panel .panel-summary {
    transition: height 150ms ease, opacity 100ms ease;
    transform: none !important;
  }
  
  .count-panel .panel-actions .toggle-btn {
    transition: background-color 150ms ease;
  }
}

/* Mobile: Allow scrolling when panel is expanded */
@media (max-width: 640px) {
  .count-panel .panel-body:not([hidden]) {
    overflow-y: auto;
    max-height: calc(100vh - 160px); /* Constrain to available viewport */
  }
}

.count-panel .panel-summary {
  overflow: hidden;
  height: 0;
  transition: height 320ms cubic-bezier(0.4, 0.0, 0.2, 1), 
              opacity 280ms ease,
              transform 280ms cubic-bezier(0.4, 0.0, 0.2, 1);
  opacity: 0;
  transform: translateY(-4px);
}

.count-panel .panel-summary:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
}
.count-panel .panel-summary .sum-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
}
.count-panel .panel-summary .row { display: contents; }
.count-panel .panel-summary .k { color: var(--muted); }
.count-panel .panel-summary .v { font-weight: 600; }
.count-panel .panel-summary .row.ts .k { opacity: 0.9; }

.count-panel .panel-summary .section { margin-top: 10px; }
.count-panel .panel-summary h4 {
  margin: 0 0 4px 0;
  font-size: 0.95rem;
  color: var(--fg);
}
.count-panel .panel-summary .list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
}
.count-panel .panel-summary .list li { display: contents; }
.count-panel .panel-summary .list .label { color: var(--muted); }
.count-panel .panel-summary .list .val { font-weight: 600; }

.count-panel.completed .panel-title::after {
  content: ' • Completed';
  color: var(--muted);
  font-weight: 500;
}
.count-panel .done-hint { margin-top: 0.5rem; color: var(--muted); }

/* Prefer small buttons on narrow screens */
@media (max-width: 480px) {
  .count-panel .panel-actions button { padding: 0.34rem 0.55rem; }
  .count-panel .panel-title { font-size: 0.95rem; }
}

/* Additional mobile improvements for very small screens */
@media (max-width: 360px) {
  .card {
    margin: 0.25rem;
    padding: 0.6rem;
    border-radius: 8px;
  }
  .count-panel .panel-header {
    flex-direction: column;
    gap: 0.5rem;
    align-items: stretch;
  }
  .count-panel .panel-actions {
    justify-content: center;
    flex-wrap: wrap;
  }
  .count-panel .panel-actions button {
    min-width: 0;
    flex: 1;
    min-width: 80px;
  }
}

/* Empty state: completely hide the card until counting or reviewing */
.card:has(.count-panel.empty) {
  display: none;
}

/* Hide specific content areas when card is empty, but keep header with start button visible */
.card.card-empty .panel-body,
.card.card-empty .panel-summary {
  display: none;
}

/* When the panel becomes active, ensure it's visible with smooth transition */
.count-panel:not(.empty) {
  display: block;
}

.card:not(.card-empty) {
  animation: cardSlideIn 300ms ease;
}

/* Show a clear, readable placeholder message when no card is visible */
.container:has(.count-panel.empty)::after,
.container.show-empty-hint::after {
  content: "Click the ⬒ drawer icon in the header to start today's count";
  display: block;
  text-align: center;
  color: var(--fg);
  font-size: 1rem;
  font-weight: 500;
  padding: 2rem 1rem;
  opacity: 0.85;
  animation: fadeInHint 1s ease 0.5s both;
  max-width: 320px;
  margin: 0 auto;
  line-height: 1.5;
  /* Add subtle background for better readability over background images */
  background: var(--card);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* Mobile: Adjust hint message */
@media (max-width: 640px) {
  .container:has(.count-panel.empty)::after,
  .container.show-empty-hint::after {
    content: "Tap the ☰ menu button, then ⬒ to start counting";
    font-size: 0.95rem;
    padding: 1.75rem 1rem;
    max-width: 280px;
  }
}

@keyframes fadeInHint {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 0.85; transform: translateY(0) scale(1); }
}

@keyframes cardSlideIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Hide elements on initial load until JS removes this class */
.hidden-on-load {
  display: none !important;
}