:root {
  color-scheme: dark;
  --bk-bg: #0d1117;
  --bk-slate: #111827;
  --bk-panel: #182235;
  --bk-rose: #fb7185;
  --bk-rose-soft: rgba(251, 113, 133, 0.16);
  --bk-emerald: #34d399;
  --bk-emerald-soft: rgba(52, 211, 153, 0.16);
  --bk-violet: #a78bfa;
  --bk-border: rgba(148, 163, 184, 0.18);
  --bk-progress: 0deg;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 0%, rgba(251, 113, 133, 0.16), transparent 32rem),
    radial-gradient(circle at 86% 8%, rgba(52, 211, 153, 0.12), transparent 30rem),
    linear-gradient(135deg, var(--bk-bg) 0%, var(--bk-slate) 46%, #101625 100%);
}

.glass-panel,
.maternal-panel {
  background: linear-gradient(145deg, rgba(24, 34, 53, 0.88), rgba(13, 17, 23, 0.74));
  border: 1px solid var(--bk-border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px);
}

.accent-ring-rose {
  box-shadow: 0 0 0 1px rgba(251, 113, 133, 0.34), 0 0 42px rgba(251, 113, 133, 0.16);
}

.accent-ring-emerald {
  box-shadow: 0 0 0 1px rgba(52, 211, 153, 0.3), 0 0 36px rgba(52, 211, 153, 0.14);
}

.progress-ring {
  background: conic-gradient(var(--bk-rose) var(--bk-progress), rgba(51, 65, 85, 0.72) 0deg);
  transition: background 240ms ease;
}

.tool-tab {
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.tool-tab:hover {
  transform: translateY(-1px);
}

.tool-tab[aria-selected="true"],
.tool-tab.is-active {
  background: rgba(251, 113, 133, 0.14);
  border-color: rgba(251, 113, 133, 0.46);
  color: #fff;
}

.kick-button,
#recordKickBtn,
#quickKickBtn {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.kick-button::after,
#recordKickBtn::after,
#quickKickBtn::after {
  content: "";
  position: absolute;
  inset: 50%;
  z-index: -1;
  width: 1px;
  height: 1px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
  opacity: 0;
  transform: translate(-50%, -50%) scale(1);
}

.kick-ripple::after,
#recordKickBtn.kick-ripple::after,
#quickKickBtn.kick-ripple::after {
  animation: kickRipple 520ms ease-out;
}

.heart-pulse,
.kick-pulse {
  animation: heartPulse 520ms ease-out;
}

@keyframes kickRipple {
  0% {
    opacity: 0.62;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(420);
  }
}

@keyframes heartPulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(251, 113, 133, 0.42);
  }
  42% {
    transform: scale(1.035);
    box-shadow: 0 0 0 18px rgba(251, 113, 133, 0);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(251, 113, 133, 0);
  }
}

.contraction-timeline {
  display: grid;
  gap: 0.75rem;
}

.contraction-card {
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 0.5rem;
  background: rgba(15, 23, 42, 0.72);
  padding: 1rem 1rem 1rem 1.25rem;
}

.contraction-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  bottom: 0.85rem;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(var(--bk-rose), var(--bk-emerald));
}

.intensity-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  border: 1px solid rgba(251, 113, 133, 0.28);
  background: rgba(251, 113, 133, 0.1);
  padding: 0.25rem 0.55rem;
  color: #ffe4e6;
  font-size: 0.75rem;
  font-weight: 700;
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 260ms ease;
}

.accordion-panel.open,
.accordion-panel.is-open {
  max-height: 360px;
}

.faq-toggle svg {
  transition: transform 180ms ease;
}

.faq-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.toast-viewport {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 9999;
  display: grid;
  width: min(24rem, calc(100vw - 2rem));
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-left: 4px solid var(--bk-emerald);
  border-radius: 0.5rem;
  background: rgba(13, 17, 23, 0.94);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  padding: 0.9rem 1rem;
  color: #f8fafc;
  pointer-events: auto;
  animation: toastIn 220ms ease-out both;
}

.toast[data-tone="rose"] {
  border-left-color: var(--bk-rose);
}

.toast[data-tone="violet"] {
  border-left-color: var(--bk-violet);
}

.toast[data-tone="amber"] {
  border-left-color: #fbbf24;
}

.toast-title {
  font-weight: 800;
  line-height: 1.2;
}

.toast-message {
  margin-top: 0.2rem;
  color: #cbd5e1;
  font-size: 0.875rem;
  line-height: 1.45;
}

.toast-dismiss {
  margin-left: auto;
  display: inline-flex;
  width: 1.75rem;
  height: 1.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.375rem;
  background: rgba(255, 255, 255, 0.06);
  color: #cbd5e1;
}

.toast.is-hiding {
  animation: toastOut 180ms ease-in both;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toastOut {
  to {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
}

.trimester-week-card {
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 0.5rem;
  background: rgba(15, 23, 42, 0.72);
  padding: 1rem;
}

.print-journal {
  white-space: pre-wrap;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 0.5rem;
  background: rgba(0, 0, 0, 0.28);
  padding: 1rem;
  color: #cbd5e1;
  font: 0.9rem/1.6 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media print {
  body {
    background: #fff;
    color: #111827;
  }

  header,
  footer,
  .tool-tab,
  .toast-viewport,
  button {
    display: none !important;
  }

  .glass-panel,
  .maternal-panel,
  .print-journal {
    box-shadow: none;
    border-color: #cbd5e1;
    background: #fff;
    color: #111827;
  }
}