:root {
  color-scheme: light dark;
  --bg-color: #f5f5f7;
  --card-bg: #ffffff;
  --text-color: #0f172a;
  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --border-color: #e5e7eb;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.12);
  --nav-bg: rgba(255, 255, 255, 0.8);
  --nav-border: rgba(148, 163, 184, 0.6);
  --menu-bg-mobile: rgba(255, 255, 255, 0.98);
  --nav-bg-submenu: rgba(255, 255, 255, 0.98);
  --button-verse: rgba(44, 79, 237, 0.98);
  --button-verse-hover: rgba(44, 79, 237, 0.551);
}

[data-theme="dark"] {
  --bg-color: #020617;
  --card-bg: #020617;
  --text-color: #e5e7eb;
  --accent-color: #38bdf8;
  --accent-hover: #0ea5e9;
  --border-color: #1f2937;
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.75);
  --nav-bg: rgba(15, 23, 42, 0.92);
  --nav-border: rgba(55, 65, 81, 0.8);
  --menu-bg-mobile: rgba(15, 23, 42, 0.98);
  --nav-bg-submenu: rgba(15, 23, 42, 0.92);
  --button-verse: rgba(16, 48, 188, 0.98);
  --button-verse-hover: rgba(16, 48, 188, 0.551);
}

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

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);

  min-height: 100vh;
  min-height: 100dvh;

  display: flex;
  flex-direction: column;
  position: relative;
}

/* Fondo “seguro” para iOS */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at top, #e0f2fe 0, transparent 50%) no-repeat,
    radial-gradient(circle at bottom, #fee2e2 0, transparent 50%) no-repeat,
    var(--bg-color);

  background-repeat: no-repeat;
  background-position: top center, bottom center;
  background-size: 140% 140%, 140% 140%;

  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
}


/* MAIN LAYOUT */
.inicio {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem 2.5rem;
}

.card {
  max-width: 520px;
  width: 100%;
  background: linear-gradient(
      135deg,
      rgba(148, 163, 184, 0.22),
      transparent 40%
    ),
    var(--card-bg);
  border-radius: 1.25rem;
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.35);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top right,
    rgba(56, 189, 248, 0.18),
    transparent 60%
  );
  opacity: 0.75;
  pointer-events: none;
}

.card-content {
  position: relative;
  z-index: 1;
}

.card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.card-label span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.18);
}

.verse-text {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.verse-num{
  font-size: 0.5em;
  vertical-align: super;
  line-height: 0;
  margin-right: 0.15em;
  color: #6b7280;
  font-weight: 600;
}

.verse-text strong {
  font-weight: 600;
}

.verse-ref {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.link-reset,
.link-reset:visited,
.link-reset:hover,
.link-reset:active {
  color: inherit;
  text-decoration: none;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn-primary {
  border: none;
  background: var(--accent-color);
  color: white;
  border-radius: 999px;
  padding: 0.6rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: var(--accent-hover);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.45);
}

.share-note {
  font-size: 0.75rem;
  opacity: 0.8;
}

.share-note span {
  font-weight: 500;
}

.share-fallback {
  display: none;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.share-fallback.visible {
  display: flex;
}

.share-link {
  cursor: pointer;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.7rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  opacity: 0.9;
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.share-link:hover {
  cursor: pointer;
  background: rgba(148, 163, 184, 0.12);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.1);
}

.share-link span {
  cursor: pointer;
  font-size: 1.05rem;
}

footer {
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.7;
  padding: 0.75rem 1rem 1.25rem;
}

/* RESPONSIVE */

@media (max-width: 600px) {
  .card {
    padding: 1.4rem 1.2rem 1.25rem;
    border-radius: 1rem;
  }

  .verse-text {
    font-size: 1.1rem;
  }

  .verse-num{
    font-size: 0.65em;
  }
}

/* copy button */
.copy-btn {
  cursor: pointer;
  position: absolute;
  top: -10px;
  right: 0px;
  z-index: 5;
  /*  */
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.toast{
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(0,0,0,.85);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  z-index: 9999;
}

.toast.show{
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.copy-btn:active{
  transform: scale(0.97);
}