/* ==========================================================================
   Date-Planer – Shared mobile-first stylesheet
   Base color: love-rose, complemented by warm peach and gold tones.
   ========================================================================== */

:root {
  --color-rose: #e0577e;
  --color-rose-dark: #b83a5e;
  --color-rose-light: #ffd1dc;
  --color-peach: #ffb4a2;
  --color-gold: #ffd166;
  --color-bg: #fff5f7;
  --color-bg-gradient: linear-gradient(160deg, #fff5f7 0%, #ffe8ec 45%, #ffe3d6 100%);
  --color-text: #4a2c3d;
  --color-text-light: #7a5568;
  --color-white: #fffdfd;

  --font-heading: "Quicksand", "Segoe UI", sans-serif;
  --font-body: "Nunito", "Segoe UI", sans-serif;

  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow-soft: 0 8px 24px rgba(184, 58, 94, 0.2);
  --shadow-strong: 0 12px 32px rgba(184, 58, 94, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: clamp(1rem, 3.6vw, 1.15rem);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg-gradient);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin: 0 0 0.5em;
  color: var(--color-rose-dark);
}

h1 {
  font-size: clamp(1.75rem, 7vw, 2.5rem);
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 20px 32px;
  flex: 1;
}

/* Buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 4.5vw, 1.25rem);
  font-weight: 700;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:active {
  transform: scale(0.96);
}

.btn-yes {
  background: linear-gradient(135deg, var(--color-rose) 0%, var(--color-rose-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.btn-no {
  background: var(--color-white);
  color: var(--color-text-light);
  box-shadow: var(--shadow-soft);
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--color-rose) 0%, var(--color-rose-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.btn-primary:disabled {
  background: #e6d3d8;
  color: #b39aa4;
  box-shadow: none;
  cursor: not-allowed;
}

/* Heart-shaped decorative background (reused across pages) -------------- */

.heart-background {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 0;
  pointer-events: none;
}

.heart-shape {
  position: relative;
  width: 62vmin;
  height: 56vmin;
}

.heart-shape::before,
.heart-shape::after {
  content: "";
  position: absolute;
  top: 0;
  width: 31vmin;
  height: 50vmin;
  background: linear-gradient(135deg, var(--color-rose-light) 0%, var(--color-peach) 100%);
  border-radius: 31vmin 31vmin 0 0;
  opacity: 0.55;
}

.heart-shape::before {
  left: 31vmin;
  transform: rotate(45deg);
  transform-origin: 0 100%;
}

.heart-shape::after {
  left: 0;
  transform: rotate(-45deg);
  transform-origin: 100% 100%;
}

/* Fixed bottom bar for a primary continue action ------------------------- */

body.has-continue-bar main.container {
  padding-bottom: calc(110px + env(safe-area-inset-bottom));
}

.continue-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(255, 245, 247, 0) 0%, var(--color-bg) 50%);
  pointer-events: none;
}

.continue-bar .container {
  padding: 0;
  max-width: 480px;
}

.continue-bar .btn {
  pointer-events: auto;
}

@media (min-width: 768px) {
  .container {
    flex: none;
  }

  body.has-continue-bar main.container {
    padding-bottom: 12px;
  }

  .continue-bar {
    position: static;
    padding: 0 20px 40px;
    background: none;
    pointer-events: auto;
  }
}

/* Back link --------------------------------------------------------------- */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 12px;
  color: var(--color-text-light);
  font-family: var(--font-heading);
  font-weight: 700;
  text-decoration: none;
}

/* Utility ---------------------------------------------------------------- */

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