/* =========================================================
   STREAK: flame, top-bar button, sheet, full-screen celebration
========================================================= */

html.sk-lock,
html.sk-lock body {
  overflow: hidden;
}

/* ---------- flame (shared) ---------- */
.fl {
  display: block;
  overflow: visible;
}

.fl-outer,
.fl-mid,
.fl-inner {
  transform-box: fill-box;
  transform-origin: 50% 100%;
}

.fl-outer {
  animation: fl-flicker-a 1.1s ease-in-out infinite;
}
.fl-mid {
  animation: fl-flicker-b 0.85s ease-in-out infinite;
}
.fl-inner {
  animation: fl-flicker-c 0.7s ease-in-out infinite;
}

@keyframes fl-flicker-a {
  0%, 100% { transform: scale(1, 1) rotate(0deg); }
  25% { transform: scale(0.97, 1.05) rotate(-2.5deg); }
  50% { transform: scale(1.02, 0.97) rotate(1.5deg); }
  75% { transform: scale(0.98, 1.04) rotate(2.5deg); }
}
@keyframes fl-flicker-b {
  0%, 100% { transform: scale(1, 1) rotate(0deg); }
  30% { transform: scale(1.04, 0.96) rotate(2deg); }
  60% { transform: scale(0.96, 1.06) rotate(-2deg); }
}
@keyframes fl-flicker-c {
  0%, 100% { transform: scale(1, 1); }
  40% { transform: scale(0.92, 1.1); }
  70% { transform: scale(1.06, 0.94); }
}

/* ---------- top-bar button ---------- */
.sd-streak-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 44px;
  min-width: 44px;
  padding: 0 11px 0 9px;
  border: 1px solid var(--color-border-tint);
  border-radius: 12px;
  background: var(--color-surface);
  cursor: pointer;
  font-weight: 800;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-faint);
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.12s ease, border-color 0.15s ease;
}

.sd-streak-btn:active {
  transform: scale(0.94);
}

.sd-streak-btn .fl {
  height: 26px;
  width: auto;
}

/* no streak: flame is an unlit grey */
.sd-streak-btn[data-state="none"] .fl {
  filter: grayscale(1);
  opacity: 0.45;
}
.sd-streak-btn[data-state="none"] .fl * {
  animation: none;
}

/* alive but today not done: lit, but calmer, amber */
.sd-streak-btn[data-state="risk"] {
  color: #e07a00;
  border-color: rgba(255, 138, 0, 0.45);
}
.sd-streak-btn[data-state="risk"] .fl {
  filter: saturate(0.85);
}

/* done today: full fire + glow */
.sd-streak-btn[data-state="done"] {
  color: #ff6a00;
  border-color: rgba(255, 106, 0, 0.6);
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.12);
}
.sd-streak-btn[data-state="done"] .fl {
  filter: drop-shadow(0 0 5px rgba(255, 140, 0, 0.7));
}

/* Top bar: greeting on the left, the four buttons pinned to the
   top-right on the same row (they no longer wrap underneath). */
.sd-top {
  flex-wrap: nowrap;
  align-items: flex-start;
}
.sd-top-text {
  min-width: 0;
  flex: 1 1 auto;
}
.sd-top-actions {
  align-items: center;
  align-self: flex-start;
  margin-left: auto;
  flex: 0 0 auto;
}
@media (max-width: 480px) {
  .sd-top {
    gap: 10px;
  }
  .sd-top-actions {
    gap: 6px;
  }
  .sd-top-actions .theme-toggle,
  .sd-top-actions .sd-signout-mobile,
  .sd-top-actions .notif-bell {
    width: 38px;
    height: 38px;
  }
  .sd-streak-btn {
    height: 38px;
    min-width: 38px;
    padding: 0 8px 0 7px;
    font-size: 14px;
  }
  .sd-streak-btn .fl {
    height: 22px;
  }
}

/* ---------- sheet (opened from the top-bar button) ---------- */
.sk-sheet {
  position: fixed;
  inset: 0;
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(10, 18, 17, 0.55);
  animation: sk-fade-in 0.2s ease;
}

.sk-sheet.is-leaving,
.sc.is-leaving {
  opacity: 0;
  transition: opacity 0.25s ease;
}

@keyframes sk-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.sk-card {
  position: relative;
  width: min(360px, 100%);
  padding: 28px 20px 22px;
  border-radius: 20px;
  background: var(--color-surface);
  color: var(--color-text-strong);
  border: 1px solid var(--color-border-tint);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  text-align: center;
  animation: sk-pop 0.3s cubic-bezier(0.2, 1.2, 0.4, 1);
}

@keyframes sk-pop {
  from { transform: translateY(14px) scale(0.94); opacity: 0; }
  to { transform: none; opacity: 1; }
}

.sk-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 16px;
  cursor: pointer;
  border-radius: 12px;
}

.sk-flame {
  display: flex;
  justify-content: center;
}
.sk-card[data-state="none"] .sk-flame .fl {
  filter: grayscale(1);
  opacity: 0.4;
}
.sk-card[data-state="none"] .sk-flame .fl * {
  animation: none;
}
.sk-card[data-state="done"] .sk-flame .fl {
  filter: drop-shadow(0 0 14px rgba(255, 140, 0, 0.65));
}

.sk-num {
  margin-top: 6px;
  font-size: 54px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.sk-card[data-state="done"] .sk-num,
.sk-card[data-state="risk"] .sk-num {
  color: #ff7a00;
}

.sk-label {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.sk-status {
  margin: 14px 4px 18px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* ---------- week row (sheet + celebration) ---------- */
.sk-week {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.sk-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.sk-day-dot {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 900;
  color: transparent;
  background: var(--color-surface-2);
  border: 2px solid var(--color-border-tint);
  box-sizing: border-box;
}

.sk-day.is-on .sk-day-dot {
  color: #fff;
  background: linear-gradient(180deg, #ffb000, #ff6a00);
  border-color: transparent;
}

.sk-day.is-today .sk-day-dot {
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.25);
}

.sk-day-l {
  font-size: 11px;
  font-weight: 800;
  color: var(--color-text-faint);
}

@media (max-width: 360px) {
  .sk-week { gap: 5px; }
  .sk-day-dot { width: 30px; height: 30px; }
}

/* ---------- full-screen celebration ---------- */
.sc {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(24px + env(safe-area-inset-top, 0px)) 20px
    calc(24px + env(safe-area-inset-bottom, 0px));
  background: radial-gradient(
      ellipse at 50% 38%,
      #4a1d05 0%,
      #1f0d05 55%,
      #0b0603 100%
    );
  color: #fff;
  overflow: hidden;
  animation: sk-fade-in 0.35s ease;
}

.sc-glow {
  position: absolute;
  left: 50%;
  top: 36%;
  width: 520px;
  height: 520px;
  max-width: 140vw;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    rgba(255, 140, 0, 0.55) 0%,
    rgba(255, 90, 0, 0.18) 42%,
    transparent 70%
  );
  opacity: 0;
  animation: sc-glow-in 1.2s 0.3s ease forwards,
    sc-glow-pulse 2.4s 1.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes sc-glow-in {
  to { opacity: 1; }
}
@keyframes sc-glow-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.12); opacity: 0.8; }
}

.sc-embers {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.sc-ember {
  position: absolute;
  bottom: -12px;
  width: var(--s);
  height: var(--s);
  border-radius: 50%;
  background: #ffb347;
  box-shadow: 0 0 8px 2px rgba(255, 140, 0, 0.8);
  opacity: 0;
  animation: sc-rise var(--dur) var(--del) ease-out infinite;
}

@keyframes sc-rise {
  0% { transform: translate(0, 0) scale(1); opacity: 0; }
  10% { opacity: 0.95; }
  100% { transform: translate(var(--dx), -105vh) scale(0.3); opacity: 0; }
}

.sc-body {
  position: relative;
  z-index: 1;
  width: min(380px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.sc-flame-wrap {
  position: relative;
  width: 150px;
  height: 188px;
}

.sc-flame {
  transform-origin: 50% 100%;
  animation: sc-ignite 1s cubic-bezier(0.2, 1.4, 0.4, 1) 0.15s both;
  filter: drop-shadow(0 0 28px rgba(255, 130, 0, 0.9));
}

@keyframes sc-ignite {
  0% { transform: scale(0) translateY(40px); opacity: 0; }
  55% { transform: scale(1.18) translateY(-6px); opacity: 1; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

.sc-spark {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffd23a;
  opacity: 0;
  animation: sc-spark 1.1s ease-out 0.5s both;
}
.sc-spark-1 { left: 18%; top: 30%; --tx: -50px; --ty: -40px; }
.sc-spark-2 { right: 14%; top: 22%; --tx: 56px; --ty: -52px; }
.sc-spark-3 { left: 48%; top: 6%; --tx: 6px; --ty: -70px; }

@keyframes sc-spark {
  0% { transform: translate(0, 0) scale(1); opacity: 1; }
  100% { transform: translate(var(--tx), var(--ty)) scale(0); opacity: 0; }
}

.sc-count {
  margin-top: 6px;
  font-size: 84px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: #ff9a1f;
  text-shadow: 0 0 24px rgba(255, 120, 0, 0.55);
  opacity: 0;
  animation: sc-up 0.6s 0.7s ease both;
}

.sc-count.is-bumped {
  animation: sc-bump 0.5s cubic-bezier(0.2, 1.6, 0.4, 1);
}

@keyframes sc-bump {
  0% { transform: scale(1); }
  45% { transform: scale(1.35); }
  100% { transform: scale(1); }
}

.sc-title {
  margin: 8px 0 6px;
  font-size: 26px;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.02em;
  opacity: 0;
  animation: sc-up 0.6s 1s ease both;
}

.sc-sub {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255, 235, 215, 0.8);
  opacity: 0;
  animation: sc-up 0.6s 1.15s ease both;
}

@keyframes sc-up {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: none; opacity: 1; }
}

.sc .sk-day-dot {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}
.sc .sk-day.is-on .sk-day-dot {
  background: linear-gradient(180deg, #ffb000, #ff6a00);
  border-color: transparent;
}
.sc .sk-day-l {
  color: rgba(255, 235, 215, 0.6);
}

/* each day dot lights up in turn, today's last */
.sk-week.is-animated .sk-day {
  opacity: 0;
  animation: sc-up 0.45s ease both;
  animation-delay: calc(1.3s + var(--i) * 0.09s);
}
.sk-week.is-animated .sk-day.is-today .sk-day-dot {
  animation: sc-dot-pop 0.6s cubic-bezier(0.2, 1.6, 0.4, 1) 2.1s both;
}

@keyframes sc-dot-pop {
  0% { transform: scale(0.6); }
  60% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

.sc-btn {
  margin-top: 28px;
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(180deg, #ffb000, #ff7a00);
  color: #2b1100;
  font: inherit;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 5px 0 #b34a00;
  opacity: 0;
  animation: sc-up 0.5s 2.2s ease both;
}
.sc-btn:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 #b34a00;
}

@media (max-height: 620px) {
  .sc-flame-wrap { width: 100px; height: 126px; }
  .sc-flame-wrap .fl { width: 100px; height: 125px; }
  .sc-count { font-size: 56px; }
  .sc-title { font-size: 22px; }
  .sc-sub { margin-bottom: 14px; }
  .sc-btn { margin-top: 18px; min-height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  .fl-outer, .fl-mid, .fl-inner,
  .sc-glow, .sc-ember, .sc-spark { animation: none; }
  .sc-glow { opacity: 1; }
  .sc-ember, .sc-spark { display: none; }
  .sc-flame, .sc-count, .sc-title, .sc-sub, .sc-btn,
  .sk-week.is-animated .sk-day,
  .sk-week.is-animated .sk-day.is-today .sk-day-dot,
  .sk-sheet, .sk-card, .sc {
    animation: none;
    opacity: 1;
    transform: none;
  }
}