/* GTK / GNOME Adwaita theme */
/* Cantarell is available as a system font on GNOME; no external load needed */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Cantarell', 'Noto Sans', system-ui, sans-serif;
  font-size: 10pt;
  line-height: 1.6;
  color: #1d1d1d;
  background-color: #f0eeea;
  min-height: 100vh;
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

#loading-indicator {
  text-align: center;
  padding: 50px;
  font-family: 'Cantarell', system-ui, sans-serif;
  color: #1d1d1d;
}
.spinner-wrapper {
  margin-top: 20px;
}
.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid #c7c3bb;
  border-top-color: #3584e4;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0%  { transform: rotate(0deg); }
  100%{ transform: rotate(360deg); }
}

/* Adwaita HeaderBar */
header {
  background: linear-gradient(180deg, #fafafa 0%, #f0eeea 100%);
  border: 1px solid #c7c3bb;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.1);
  padding: 12px 18px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 47px;
}

header h1 {
  color: #1d1d1d;
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.01em;
}

/* #control — single-row action cluster on the right of the header */
#control {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
/* Spacing via margins, not flex `gap` — flex-gap is only widely supported from ~2021,
   below the older-device baseline we want to cover. */
#control > * + * {
  margin-left: 8px;
}

/* Adwaita neutral button — quiet default for Beginner Mode, Reset All, and inactive
   language segments. Mirrors the scenario buttons. #1d1d1d on #ffffff clears WCAG AAA;
   the accent is reserved for the active language segment. */
header button {
  background: #ffffff;
  color: #1d1d1d;
  border: 1px solid #c7c3bb;
  border-radius: 6px;
  padding: 7px 16px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0,0,0,0.18);
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
header button:hover {
  background: #f0eeea;
  border-color: #b0aba3;
  box-shadow: 0 2px 4px rgba(0,0,0,0.22);
}
header button:active {
  background: #f0eeea;
  box-shadow: none;
}
/* Keyboard focus ring with a fallback for browsers lacking :focus-visible
   (Safari < 15.4). Plain :focus shows the ring everywhere; modern browsers
   then suppress it for mouse/touch focus via :not(:focus-visible). */
header button:focus {
  outline: 2px solid #1a5fb4;
  outline-offset: 2px;
}
header button:focus:not(:focus-visible) {
  outline: none;
}

/* Language switcher — Adwaita linked/segmented toggle. Buttons share a border; the
   active segment (aria-current="true") carries the accent fill. */
#lang-switcher {
  display: inline-flex;
}
#lang-switcher button {
  border-radius: 0;
  box-shadow: none;
}
#lang-switcher button:hover {
  box-shadow: none;
}
#lang-switcher button:first-child {
  border-radius: 6px 0 0 6px;
}
#lang-switcher button:last-child {
  border-radius: 0 6px 6px 0;
}
#lang-switcher button:not(:first-child) {
  margin-left: -1px; /* overlap the shared border so the pair reads as one control */
}
#lang-switcher button[aria-current="true"] {
  position: relative;
  z-index: 1; /* keep the accent border above the overlapped neighbour */
  background: #1a5fb4;
  color: #ffffff;
  border-color: #1a5fb4;
}
#lang-switcher button[aria-current="true"]:hover {
  background: #1655a0;
  border-color: #1655a0;
}

/* GtkFrame / card style */
#scenarios, #notes {
  background: #ffffff;
  border: 1px solid #c7c3bb;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  padding: 18px;
  margin-bottom: 24px;
}

#scenarios h3 {
  margin: 0 0 12px 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: #5e5c64;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

#scenarios button {
  background: #ffffff;
  border: 1px solid #c7c3bb;
  border-radius: 6px;
  padding: 8px 14px;
  margin: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 400;
  color: #1d1d1d;
  transition: background-color 0.2s, border-color 0.2s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
#scenarios button:hover {
  background: #f0eeea;
  border-color: #b0aba3;
}

#factors {
  align-items: stretch;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* GtkCard style */
.factor-card {
  background: #ffffff;
  border: 1px solid #c7c3bb;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  padding: 18px;
  transition: box-shadow 0.2s;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  height: 100%;
}
.factor-card:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.factor-card.pulse {
  box-shadow: 0 0 0 3px rgba(53, 132, 228, 0.35);
}
.factor-card.increase {
  border-left: 3px solid #26a269;
  background: #f4faf6;
}
.factor-card.decrease {
  border-left: 3px solid #e01b24;
  background: #fdf4f4;
}

.factor-card h3 {
  height: 2.5em;
  text-align: center;
  margin: 0 0 8px 0;
  font-size: 0.875rem;
  font-weight: 700;
  color: #1d1d1d;
}

.factor-description {
  height: 3.5em;
  font-size: 0.8rem;
  color: #5e5c64;
  line-height: 1.4;
  margin: 8px 0 0 0;
  text-align: center;
}

.factor-status {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  margin: 10px 0;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  min-height: 48px;
}
.factor-status.neutral {
  background: #f0eeea;
  color: #5e5c64;
  border: 1px solid #d6d2cc;
}
.factor-status.increase {
  background: #dbf1e0;
  color: #1a7340;
  border: 1px solid #26a269;
}
.factor-status.decrease {
  background: #fde0e0;
  color: #a51d2d;
  border: 1px solid #e01b24;
}

.status-icon {
  font-size: 1.3rem;
  margin-right: 8px;
  font-weight: bold;
}
.status-text {
  font-size: 0.875rem;
}

.factor-controls {
  display: flex;
  margin: 12px 0;
  justify-content: center;
}
/* margin instead of flex `gap` for older-browser support */
.factor-controls > * + * {
  margin-left: 6px;
}

/* GtkButton style — flat inside cards */
.control-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid #c7c3bb;
  border-radius: 6px;
  background: #ffffff;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
  min-width: 56px;
  font-family: inherit;
  color: #1d1d1d;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
.control-btn:hover {
  background: #f0eeea;
  border-color: #b0aba3;
}
.control-btn:active {
  background: #e4e1dc;
  box-shadow: none;
}
.control-btn:focus {
  outline: 2px solid #1a5fb4;
  outline-offset: 2px;
}

.btn-icon {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 2px;
  line-height: 1;
}
.btn-text {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.increase-btn {
  border-color: #b6dfc7;
  color: #1a7340;
}
.increase-btn:hover {
  background: #f4faf6;
  border-color: #26a269;
}
.decrease-btn {
  border-color: #f5bfbf;
  color: #a51d2d;
}
.decrease-btn:hover {
  background: #fdf4f4;
  border-color: #e01b24;
}
.reset-btn {
  border-color: #c7c3bb;
  color: #5e5c64;
}
.reset-btn:hover {
  background: #f0eeea;
}

.factor-bottom {
  margin-top: auto;
}

#notes summary {
  font-size: 1rem;
  font-weight: 700;
  color: #1d1d1d;
  margin-bottom: 12px;
  cursor: pointer;
}
#notes h3 {
  font-size: 0.875rem;
  font-weight: 700;
  color: #5e5c64;
  margin: 14px 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
#notes h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: #3d3846;
  margin: 10px 0 4px;
}
#notes ul {
  padding-left: 18px;
}
#notes li {
  font-size: 0.875rem;
  color: #3d3846;
  margin-bottom: 3px;
}

@media (max-width: 768px) {
  header { flex-direction: column; }
  header > * + * { margin-top: 12px; } /* column spacing without flex `gap` */
  #factors { grid-template-columns: 1fr; }
  #scenarios button { display: block; width: 100%; margin: 8px 0; }
  .factor-controls > * + * { margin-left: 6px; }
  .control-btn { padding: 8px 10px; }
  .btn-icon { font-size: 1.2rem; }
  .btn-text { font-size: 0.65rem; }
  .factor-card { min-height: 200px; }
  .factor-status { padding: 10px; font-size: 0.875rem; }
  .status-icon { font-size: 1.1rem; margin-right: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: high) {
  .factor-card { border: 2px solid #1d1d1d; }
  .factor-status.increase { background: #c8f0d4; border: 2px solid #1a7340; }
  .factor-status.decrease { background: #f8cccc; border: 2px solid #a51d2d; }
  .control-btn { border-width: 2px; }
}

@media (max-width: 1000px) {
  #factors { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}
@media (max-width: 400px) {
  #factors { grid-template-columns: 1fr; }
}

/* Screen-reader-only live region (used by ripple announcements) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* No-JS fallback banner */
.noscript-msg {
  margin: 0 0 16px;
  padding: 12px 16px;
  border: 1px solid #c7c3bb;
  border-radius: 12px;
  background: #ffffff;
  color: #1d1d1d;
}

.factor-hint {
  font-size: 0.8rem;
  color: #5e5c64;
  margin: 0 0 16px;
}