/* ==========================================================================
   Gamification v4 ("Precision Blocks"): topbar chip, tooltip, XP fly-ups,
   celebration toasts, level-up overlay, XP breakdown chips.
   Restyled, still fun: square medals, crisp rings and bars, flat colour.
   Kind colour arrives from core/gamify.js as --gm-c (hex).
   ========================================================================== */

.gm-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- rings (shared by chip + dashboard widget) ---------- */
.gm-ring-svg { display: block; transform: rotate(-90deg); overflow: visible; }
.gm-ring-bg { fill: none; stroke: var(--surface-3); }
.gm-ring-fg { fill: none; stroke: rgb(var(--accent)); stroke-linecap: butt; transition: stroke-dashoffset var(--t-slow) var(--ease-out); }

/* ---------- topbar chip: one tiled strip, three cells ---------- */
.gm-chip-wrap { position: relative; display: flex; align-items: center; margin-right: var(--s-1); }
.gm-chip {
  display: inline-flex; align-items: stretch; height: var(--ctl-h); border: var(--bw) solid var(--border);
  background: var(--surface); color: var(--text); text-decoration: none; font-size: var(--fs-13);
  font-variant-numeric: tabular-nums; transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.gm-chip > span { display: inline-flex; align-items: center; gap: 5px; padding: 0 9px; }
.gm-chip > span + span { border-left: var(--bw) solid var(--border); }
.gm-chip:hover { border-color: var(--border-strong); background: var(--surface-2); }
.gm-chip:active { background: var(--surface-3); }
.gm-chip:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.gm-chip.gm-bump { animation: gmBump .6s var(--ease); }
.gm-chip-lvl { position: relative; padding-left: 6px !important; }
.gm-chip-lvl .gm-ring-svg { width: 24px; height: 24px; }
.gm-chip-lvl .gm-ring-bg, .gm-chip-lvl .gm-ring-fg { stroke-width: 3; }
.gm-chip-lvl b { position: absolute; left: 6px; width: 24px; text-align: center; font: 600 var(--fs-11)/1 var(--font-display); color: var(--text); }
.gm-chip-streak svg { width: 15px; height: 15px; color: rgb(var(--c-warning)); }
.gm-chip-streak b { font-weight: 600; }
.gm-chip-streak.cold svg { color: var(--text-3); }
.gm-chip-streak.cold b { color: var(--text-3); }
.gm-chip-goal { position: relative; }
.gm-chip-goal .gm-ring-svg { width: 18px; height: 18px; }
.gm-chip-goal .gm-ring-bg, .gm-chip-goal .gm-ring-fg { stroke-width: 2.5; }
.gm-chip-goal .gm-ring-fg { stroke: rgb(var(--c-success)); }
.gm-chip-goal .gm-goal-check { position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; margin: -5px 0 0 -5px; color: rgb(var(--c-success)); opacity: 0; transform: scale(.5); transition: opacity var(--t) var(--ease), transform var(--t) var(--ease); }
.gm-chip-goal.met { background: rgb(var(--c-success) / .1); }
.gm-chip-goal.met .gm-goal-check { opacity: 1; transform: none; }

/* ---------- chip tooltip ---------- */
.gm-tip {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: var(--z-dropdown); width: 260px; padding: var(--s-3) var(--s-4);
  background: var(--surface); border: var(--bw) solid var(--border); box-shadow: var(--shadow-pop);
  font-size: var(--fs-12); color: var(--text-2); pointer-events: none; opacity: 0; transform: translateY(-4px);
  transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
}
.gm-tip:empty { display: none; }
body.gm-tip-open .gm-tip { z-index: calc(var(--z-toast) + 2); }
body.gm-tip-open .gm-toasts { transform: translateY(var(--gm-tip-h, 190px)); }
.gm-tip.show { opacity: 1; transform: none; }
.gm-tip-xp { font: 600 var(--fs-18)/1.1 var(--font-display); letter-spacing: var(--track-title); color: rgb(var(--c-warning)); font-variant-numeric: tabular-nums; }
.gm-tip-parts { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.gm-tip-parts span, .gm-bd span {
  display: inline-flex; align-items: center; height: 20px; padding: 0 6px; font-size: var(--fs-11); font-weight: 500;
  color: var(--text-2); background: var(--surface-2); border: var(--bw) solid var(--border); white-space: nowrap; font-variant-numeric: tabular-nums;
}
.gm-tip-parts span.mult, .gm-bd span.mult { color: rgb(var(--c-warning)); background: rgb(var(--c-warning) / .08); border-color: rgb(var(--c-warning) / .3); }
.gm-tip-sep { height: 1px; margin: var(--s-3) calc(-1 * var(--s-4)); background: var(--border); }
.gm-tip-row { display: flex; justify-content: space-between; gap: var(--s-3); line-height: 1.5; }
.gm-tip-row.mt { margin-top: var(--s-2); }
.gm-tip-row b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.gm-tip-bar { height: 4px; margin-top: 6px; background: var(--surface-3); overflow: hidden; }
.gm-tip-bar span { display: block; height: 100%; background: rgb(var(--accent)); transition: width var(--t-slow) var(--ease-out); }

/* ---------- XP fly-up ---------- */
.gm-fly {
  position: fixed; z-index: calc(var(--z-toast) + 5); pointer-events: none; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 4px; height: 24px; padding: 0 8px;
  font: 600 var(--fs-12)/1 var(--font-display); color: var(--on-accent); white-space: nowrap; font-variant-numeric: tabular-nums;
  background: rgb(var(--accent)); box-shadow: var(--shadow-pop);
  animation: gmFly 1.8s var(--ease) forwards;
}
.gm-fly svg { width: 13px; height: 13px; }
.gm-fly-bonus { font-size: .78em; font-weight: 500; opacity: .85; margin-left: 4px; }

/* ---------- celebration toasts ---------- */
.gm-toasts {
  position: fixed; top: calc(var(--topbar-h, 56px) + 12px); right: 20px; z-index: var(--z-toast);
  display: flex; flex-direction: column; gap: var(--s-2); width: min(380px, calc(100vw - 32px)); pointer-events: none;
  transition: transform var(--t-slow) var(--ease);
}
.gm-toast {
  --gm-c: #0f9488; position: relative; overflow: hidden; pointer-events: auto;
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--s-3); align-items: start; padding: var(--s-3) var(--s-3) var(--s-4) var(--s-4);
  color: var(--text); background: var(--surface); border: var(--bw) solid var(--border); box-shadow: var(--shadow-pop);
  animation: gmToastIn var(--t-slow) var(--ease-out) both;
}
.gm-toast::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--gm-c); }
.gm-toast.leaving { animation: gmToastOut .26s var(--ease) forwards; }
.gm-toast-medal {
  position: relative; display: grid; place-items: center; width: 44px; height: 44px; flex: none;
  color: var(--gm-c); background: color-mix(in srgb, var(--gm-c) 12%, var(--surface)); border: var(--bw) solid color-mix(in srgb, var(--gm-c) 40%, var(--border));
  animation: gmMedal .45s var(--ease-out) .08s both;
}
.gm-toast-medal svg { width: 20px; height: 20px; }
.gm-toast-medal b { position: absolute; right: -1px; bottom: -1px; min-width: 18px; height: 16px; padding: 0 3px; font: 600 10px/16px var(--font-display); text-align: center; color: #fff; background: var(--gm-c); }
.gm-toast.gm-t4 .gm-toast-medal, .gm-toast.gm-t5 .gm-toast-medal { color: #fff; background: var(--gm-c); border-color: var(--gm-c); }
.gm-toast-body { min-width: 0; }
.gm-toast-kicker { font-size: var(--fs-12); font-weight: 500; color: var(--text-3); }
.gm-tier-name { color: var(--gm-c); font-weight: 600; }
.gm-toast-title { margin-top: 1px; font: 600 var(--fs-15)/1.3 var(--font-display); letter-spacing: var(--track-title); color: var(--text); overflow-wrap: anywhere; }
.gm-toast-sub { margin-top: 2px; font-size: var(--fs-13); line-height: 1.4; color: var(--text-2); }
.gm-toast-foot { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); margin-top: var(--s-2); }
.gm-toast-foot:empty { display: none; }
.gm-toast-link { display: inline-flex; align-items: center; gap: 3px; font-size: var(--fs-12); font-weight: 500; color: rgb(var(--accent)); text-decoration: none; }
.gm-toast-link:hover { text-decoration: underline; text-underline-offset: 2px; }
.gm-toast-link svg { width: 12px; height: 12px; }
.gm-toast-x { display: grid; place-items: center; width: 26px; height: 26px; margin: -2px -2px 0 0; color: var(--text-3); background: transparent; border: 0; cursor: pointer; transition: background var(--t-fast), color var(--t-fast); }
.gm-toast-x:hover { color: var(--text); background: var(--surface-3); }
.gm-toast-x:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
.gm-toast-x svg { width: 14px; height: 14px; }
.gm-toast-timer { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--gm-c); opacity: .7; transform-origin: left; animation: gmTimer var(--gm-ms, 5000ms) linear forwards; }
.gm-toast.paused .gm-toast-timer { animation-play-state: paused; }

/* ---------- XP pill ---------- */
.gm-xp-pill {
  display: inline-flex; align-items: center; gap: 3px; height: 22px; padding: 0 7px; font-size: var(--fs-12); font-weight: 600;
  color: rgb(var(--c-warning)); background: rgb(var(--c-warning) / .1); border: var(--bw) solid rgb(var(--c-warning) / .35); font-variant-numeric: tabular-nums; white-space: nowrap;
}
.gm-xp-pill svg { width: 12px; height: 12px; }
.gm-xp-pill.lg { height: 30px; padding: 0 12px; font-size: var(--fs-14); margin-top: var(--s-4); }
.gm-xp-pill.lg svg { width: 15px; height: 15px; }

/* ---------- toast spark burst (square bits) ---------- */
.gm-burst { position: fixed; z-index: calc(var(--z-toast) + 1); width: 0; height: 0; pointer-events: none; }
.gm-burst i { position: absolute; width: 6px; height: 6px; animation: gmBurst .95s var(--ease-out) forwards; }

/* ---------- level-up / big moment overlay ---------- */
body.gm-overlay-open { overflow: hidden; }
.gm-overlay {
  --gm-c: #0f9488; position: fixed; inset: 0; z-index: calc(var(--z-toast) + 3); display: grid; place-items: center; padding: var(--s-5);
  background: var(--scrim); opacity: 0; transition: opacity var(--t-slow) var(--ease);
}
.gm-overlay.in { opacity: 1; }
.gm-overlay.leaving { opacity: 0; }
.gm-confetti { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.gm-ov-card {
  position: relative; width: min(420px, 100%); padding: var(--s-10) var(--s-8) var(--s-6); text-align: center; overflow: hidden;
  background: var(--surface); border: var(--bw) solid var(--border); box-shadow: var(--shadow-pop);
  transform: translateY(12px) scale(.97); transition: transform var(--t-slow) var(--ease-out);
}
.gm-ov-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--gm-c); }
.gm-overlay.in .gm-ov-card { transform: none; }
.gm-ov-glow { display: none; }
.gm-ov-medal {
  position: relative; display: grid; place-items: center; width: 88px; height: 88px; margin: 0 auto var(--s-5);
  color: #fff; background: var(--gm-c); animation: gmMedalBig .7s var(--ease-out) .1s both;
}
.gm-ov-medal::after { content: ""; position: absolute; inset: -7px; border: var(--bw) solid color-mix(in srgb, var(--gm-c) 45%, transparent); animation: gmFrame 1.2s var(--ease-out) .35s both; }
.gm-ov-medal svg { width: 38px; height: 38px; stroke-width: 1.75; }
.gm-ov-level { font: 700 var(--fs-48)/1 var(--font-display); letter-spacing: var(--track-display); font-variant-numeric: tabular-nums; }
.gm-ov-kicker { font-size: var(--fs-13); font-weight: 500; color: var(--gm-c); }
.gm-ov-title { margin: var(--s-1) 0 0; font: 600 var(--fs-30)/1.15 var(--font-display); letter-spacing: var(--track-display); color: var(--text); }
.gm-ov-sub { margin: var(--s-2) auto 0; max-width: 32ch; font-size: var(--fs-14); line-height: 1.5; color: var(--text-2); }
.gm-ov-actions { display: flex; justify-content: center; gap: var(--s-2); margin-top: var(--s-6); flex-wrap: wrap; }

/* ---------- XP breakdown, mastery records (quiz/practice results) ---------- */
.gm-bd { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-top: var(--s-2); }
.gm-bd .gm-xp-pill { margin-right: 2px; }
.gm-bd span.cap { color: var(--text-3); background: var(--surface-2); border-color: var(--border); }
.gm-mrec { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); margin-top: var(--s-2); padding: var(--s-2) var(--s-3); font-size: var(--fs-13); color: var(--text-2); background: var(--surface-2); border: var(--bw) solid var(--border); }
.gm-mrec b { color: var(--text); font-weight: 600; }
.gm-state {
  display: inline-flex; align-items: center; gap: 4px; height: 20px; padding: 0 6px; font-size: var(--fs-11); font-weight: 600;
  color: var(--sc, var(--text-2)); background: color-mix(in srgb, var(--sc, #6b7482) 10%, transparent); border: var(--bw) solid color-mix(in srgb, var(--sc, #6b7482) 35%, transparent);
}
.gm-state.up { animation: gmPop .45s var(--ease); }
.gm-arrow { color: var(--text-3); }
.gm-conf { display: inline-flex; align-items: center; gap: 5px; font-size: var(--fs-12); color: var(--text-3); }
.gm-conf i { display: inline-block; width: 38px; height: 4px; background: var(--surface-3); overflow: hidden; }
.gm-conf i > span { display: block; height: 100%; background: rgb(var(--c-info)); }
.gm-item-xp { font-size: var(--fs-11); font-weight: 600; color: rgb(var(--c-warning)); font-variant-numeric: tabular-nums; white-space: nowrap; }
.gm-sum-xp { display: inline-flex; align-items: center; gap: 5px; margin-top: var(--s-1); font-size: var(--fs-13); color: rgb(var(--c-warning)); font-variant-numeric: tabular-nums; }
.gm-bonus-row { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.gm-bonus {
  display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 7px; font-size: var(--fs-11); font-weight: 500; white-space: nowrap;
  color: rgb(var(--accent)); background: rgb(var(--accent) / .08); border: var(--bw) solid rgb(var(--accent) / .3);
}
.gm-bonus svg { width: 12px; height: 12px; flex: none; }
.gm-bonus b { font-weight: 700; color: inherit; }
.gm-bonus-milestone { color: rgb(var(--c-success)); background: rgb(var(--c-success) / .08); border-color: rgb(var(--c-success) / .3); }
.gm-bonus-first { color: rgb(var(--c-warning)); background: rgb(var(--c-warning) / .08); border-color: rgb(var(--c-warning) / .3); }
.gm-bonus-milestone b, .gm-bonus-first b { color: inherit; }

/* ---------- keyframes (transform + opacity only) ---------- */
@keyframes gmBump { 0% { transform: none; } 30% { transform: translateY(-2px); } 100% { transform: none; } }
@keyframes gmFly { 0% { opacity: 0; transform: translate(-50%, 8px); } 15% { opacity: 1; transform: translate(-50%, 0); } 75% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, -26px); } }
@keyframes gmToastIn { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
@keyframes gmToastOut { to { opacity: 0; transform: translateX(24px); } }
@keyframes gmMedal { from { transform: scale(.6); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes gmMedalBig { 0% { transform: scale(.4) rotate(-12deg); opacity: 0; } 60% { transform: scale(1.06) rotate(2deg); opacity: 1; } 100% { transform: none; opacity: 1; } }
@keyframes gmFrame { from { transform: scale(.85); opacity: 0; } 50% { opacity: 1; } to { transform: scale(1.12); opacity: 0; } }
@keyframes gmTimer { from { transform: scaleX(1); } to { transform: scaleX(0); } }
@keyframes gmBurst { 0% { transform: translate(0, 0) rotate(0); opacity: 1; } 100% { transform: translate(var(--dx), var(--dy)) rotate(180deg); opacity: 0; } }
@keyframes gmPop { 0% { transform: scale(.85); } 60% { transform: scale(1.06); } 100% { transform: none; } }
@keyframes gmFlyCalm { 0%, 80% { opacity: 1; } 100% { opacity: 0; } }

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .gm-chip-goal { display: none !important; }
  .gm-tip { display: none; }
  body.gm-tip-open .gm-toasts { transform: none; }
  .gm-toasts { left: 16px; right: 16px; width: auto; top: calc(var(--topbar-h, 56px) + 8px); }
}
@media (max-width: 480px) {
  .gm-chip-streak { display: none !important; }
  .gm-chip-lvl { padding-right: 6px !important; }
  .gm-ov-card { padding: var(--s-8) var(--s-5) var(--s-5); }
  .gm-ov-title { font-size: var(--fs-24); }
}
@media (prefers-reduced-motion: reduce) {
  .gm-chip, .gm-chip.gm-bump, .gm-toast, .gm-toast.leaving, .gm-toast-medal, .gm-ov-medal, .gm-ov-medal::after, .gm-state.up, .gm-burst i { animation: none !important; }
  .gm-fly { animation: gmFlyCalm 1.6s linear forwards; }
  .gm-ov-card, .gm-overlay, .gm-ring-fg, .gm-tip { transition: none !important; }
  .gm-ov-card { transform: none; }
  .gm-toast-timer { display: none; }
}
@media (forced-colors: active) {
  .gm-chip, .gm-toast, .gm-ov-card { border: 1px solid CanvasText; }
}