/* ============================================================
   ONICOS — Cinematic Theme Layer (v2 — stronger pass)
   Same palette, same copy — but now the atmosphere, depth and
   type actually read as a redesign instead of a tint.
   Loaded AFTER styles.css. No layout/display rules touched,
   so script.js and all IDs/classes keep working unchanged.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --font-display: 'Fraunces', 'Poppins', serif;
  --glow-soft: 0 10px 40px rgba(217, 0, 122, 0.14);
  --glow-strong: 0 24px 70px rgba(217, 0, 122, 0.28);
  --glass-bg: rgba(255, 247, 251, 0.72);
  --glass-border: rgba(255, 255, 255, 0.8);
  --ease-dream: cubic-bezier(0.16, 1, 0.3, 1);
}

.dark-mode {
  --glass-bg: rgba(45, 20, 34, 0.68);
  --glass-border: rgba(255, 182, 220, 0.14);
  --glow-soft: 0 10px 40px rgba(0, 0, 0, 0.4);
  --glow-strong: 0 24px 70px rgba(255, 20, 147, 0.25);
}

html { scroll-behavior: smooth; }

/* ---------- Atmospheric canvas behind the whole app ---------- */
body {
  position: relative;
  background-color: #FFF6FB;
  background-image:
    radial-gradient(ellipse 700px 500px at 8% 0%, rgba(217, 0, 122, 0.16), transparent 60%),
    radial-gradient(ellipse 600px 500px at 95% 15%, rgba(249, 144, 209, 0.30), transparent 55%),
    radial-gradient(ellipse 700px 600px at 15% 85%, rgba(206, 147, 216, 0.22), transparent 55%),
    radial-gradient(ellipse 600px 500px at 100% 100%, rgba(255, 20, 147, 0.10), transparent 55%);
  background-attachment: fixed, fixed, fixed, fixed;
}

body.dark-mode {
  background-color: #17101a;
  background-image:
    radial-gradient(ellipse 700px 500px at 8% 0%, rgba(255, 64, 129, 0.16), transparent 60%),
    radial-gradient(ellipse 600px 500px at 95% 15%, rgba(206, 147, 216, 0.16), transparent 55%),
    radial-gradient(ellipse 700px 600px at 15% 85%, rgba(255, 20, 147, 0.12), transparent 55%),
    radial-gradient(ellipse 600px 500px at 100% 100%, rgba(255, 128, 171, 0.08), transparent 55%);
}

/* Film-grain texture for a cinematic (not flat) feel */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3, .section-header h2, .card-title, .info-card-title,
.landing-tagline, .why-title, .results-title, .modal-title, .dashboard-label {
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

.section-header h2 {
  font-weight: 600;
  font-size: 1.7rem;
  background: linear-gradient(120deg, var(--dark-pink), var(--secondary-pink) 60%, var(--dark-pink));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine-text 6s linear infinite;
}

@keyframes shine-text {
  to { background-position: 200% center; }
}

/* ---------- Landing: full cinematic treatment ---------- */
.landing-page {
  background:
    radial-gradient(circle at 22% 15%, rgba(255, 224, 245, 0.65), transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(255, 20, 147, 0.35), transparent 50%),
    linear-gradient(155deg, #A6003F 0%, var(--dark-pink) 40%, var(--secondary-pink) 75%, var(--primary-pink) 100%);
  background-size: 160% 160%, 160% 160%, 220% 220%;
  animation: dream-drift 16s ease-in-out infinite;
}

@keyframes dream-drift {
  0%, 100% { background-position: 0% 0%, 100% 100%, 0% 50%; }
  50% { background-position: 30% 30%, 70% 70%, 100% 50%; }
}

/* Vignette for depth */
.landing-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(60, 0, 30, 0.35) 100%);
  pointer-events: none;
  z-index: 1;
}

.landing-page::after {
  content: '';
  position: absolute;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  filter: blur(70px);
  top: -100px; left: -100px;
  animation: blob-float 12s ease-in-out infinite;
  z-index: 1;
}

@keyframes blob-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 60px) scale(1.15); }
}

.landing-content { position: relative; z-index: 10; }

.onicos-logo, .landing-tagline { animation: fade-up 1.1s var(--ease-dream) both; }
.landing-tagline {
  animation-delay: 0.4s;
  font-size: 1.15rem;
  font-style: italic;
  text-shadow: 0 4px 24px rgba(0,0,0,0.25);
}

.letter {
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.7), 0 6px 24px rgba(0,0,0,0.3);
  animation: letter-reveal 0.8s var(--ease-dream) both, letter-glow 3s ease-in-out 1s infinite;
}

@keyframes letter-glow {
  0%, 100% { text-shadow: 0 0 40px rgba(255,255,255,0.7), 0 6px 24px rgba(0,0,0,0.3); }
  50% { text-shadow: 0 0 60px rgba(255,255,255,0.95), 0 6px 24px rgba(0,0,0,0.3); }
}

.logo-icon {
  filter: drop-shadow(0 12px 30px rgba(0,0,0,0.35));
  animation: float-bounce 4s ease-in-out infinite;
}

.scroll-btn {
  backdrop-filter: blur(8px);
  box-shadow: 0 0 30px rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.5) !important;
}

/* ---------- Header & Sidebar: frosted glass ---------- */
.header {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(217, 0, 122, 0.08);
}

.sidebar {
  background: var(--glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-right: 1px solid var(--glass-border);
}

.sidebar-link.active, .nav-link.active {
  text-shadow: 0 0 18px rgba(217, 0, 122, 0.45);
}

/* ---------- Sections & cards: visible frosted depth ---------- */
.section {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  box-shadow: var(--glow-soft);
  transition: box-shadow 0.5s var(--ease-dream), transform 0.5s var(--ease-dream);
}

.section:hover { box-shadow: var(--glow-strong); }

.card, .info-card, .dashboard-card, .tracker-card, .insight-card,
.stat-box, .results-card, .modal-card, .studio-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  box-shadow: var(--glow-soft);
  transition: transform 0.5s var(--ease-dream), box-shadow 0.5s var(--ease-dream);
}

.card:hover, .info-card:hover, .dashboard-card:hover, .tracker-card:hover,
.studio-card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: var(--glow-strong);
}

/* ---------- Buttons: vivid gradient + glow + shimmer ---------- */
.btn-primary, .reveal-btn, .survey-submit-btn, .survey-start-btn,
.save-btn, .quick-log-btn, .header-btn {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ovulation-color), var(--secondary-pink), var(--dark-pink));
  background-size: 200% 200%;
  box-shadow: 0 8px 24px rgba(217, 0, 122, 0.35);
  transition: transform 0.35s var(--ease-dream), box-shadow 0.35s var(--ease-dream), background-position 0.6s ease;
}

.btn-primary:hover, .reveal-btn:hover, .survey-submit-btn:hover,
.survey-start-btn:hover, .save-btn:hover, .quick-log-btn:hover,
.header-btn:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 14px 36px rgba(217, 0, 122, 0.5);
  background-position: 100% 50%;
}

/* ---------- Calendar: glow on active phases ---------- */
.calendar-day.menstruation, .calendar-day.day-ovulation,
.calendar-day.ovulation {
  box-shadow: 0 0 18px var(--ovulation-glow, rgba(255,20,147,0.4));
}

/* ---------- Footer ---------- */
.footer {
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  border-top: 1px solid var(--glass-border);
}

/* ---------- Scroll-reveal (paired with motion.js) ---------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease-dream), transform 0.9s var(--ease-dream);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Language selector: modern glass pill ---------- */
#language-selector,
#sidebar-language-selector {
  appearance: none;
  -webkit-appearance: none;
  border-radius: 999px !important;
  width: auto !important;
  height: auto !important;
  padding: 10px 38px 10px 18px !important;
  font-size: 0.85rem !important;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--dark-pink) !important;
  background-color: var(--glass-bg) !important;
  background-image:
    linear-gradient(var(--glass-bg), var(--glass-bg)),
    linear-gradient(120deg, var(--secondary-pink), var(--ovulation-color), var(--luteal-color));
  background-origin: border-box;
  background-clip: padding-box, border-box;
  border: 1.5px solid transparent !important;
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: 0 4px 16px rgba(217, 0, 122, 0.12);
  cursor: pointer;
  transition: transform 0.35s var(--ease-dream), box-shadow 0.35s var(--ease-dream);
  background-position: 0 0, 0 0;
  background-repeat: no-repeat;
}

/* custom chevron, layered on top of the gradient-border trick above */
#language-selector,
#sidebar-language-selector {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23D5007A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"),
    linear-gradient(var(--glass-bg), var(--glass-bg)),
    linear-gradient(120deg, var(--secondary-pink), var(--ovulation-color), var(--luteal-color));
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-position: right 14px center, 0 0, 0 0;
  background-size: 14px, auto, auto;
  background-origin: padding-box, border-box, border-box;
  background-clip: padding-box, padding-box, border-box;
}

#language-selector:hover,
#sidebar-language-selector:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217, 0, 122, 0.25);
}

#language-selector:focus,
#sidebar-language-selector:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(249, 144, 209, 0.4), 0 8px 24px rgba(217, 0, 122, 0.25);
}

#language-selector option,
#sidebar-language-selector option {
  color: var(--text-color);
  background: var(--bg-color);
  font-weight: 500;
}

.dark-mode #language-selector,
.dark-mode #sidebar-language-selector {
  color: #FFD6EE !important;
}

.sidebar-footer .form-select#sidebar-language-selector {
  width: 100% !important;
  padding: 12px 38px 12px 18px !important;
  text-align: left;
}

/* ---------- Secondary-page content boxes (pcos/diet/interview/research/onion-cure) ---------- */
.detail-section, .research-card, .research-header,
.foods-box, .activity-box, .habits-box, .limit-box, .podcast-box,
.source-box, .disclaimer-box, .notes-box, .preparation-box, .summary-box,
.interview-accordion, .interview-intro {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: 20px !important;
  box-shadow: var(--glow-soft) !important;
  transition: transform 0.5s var(--ease-dream), box-shadow 0.5s var(--ease-dream);
}

.research-card:hover, .interview-accordion:hover {
  transform: translateY(-6px);
  box-shadow: var(--glow-strong) !important;
}

/* ---------- Mobile calendar overflow fix ----------
   Root cause: CSS grid items default to min-width:auto, so
   .calendar-day-header's padding + text forced each of the 7
   columns to stay at their content width even though the track
   is 1fr — causing the grid (and calendar card) to overflow its
   container on narrow screens. Forcing min-width:0 lets the
   columns actually shrink to fit. */
.calendar-grid,
.calendar-day-header,
.calendar-day {
  min-width: 0;
}

.calendar {
  overflow: hidden;
}

@media (max-width: 480px) {
  .calendar {
    padding: 14px;
  }

  .calendar-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .calendar-day-header {
    padding: 6px 2px;
    font-size: 0.7rem;
  }

  .calendar-day {
    font-size: 0.78rem;
    border-radius: 8px;
  }

  .calendar-nav-btn {
    width: 32px;
    height: 32px;
  }

  .calendar-today-btn {
    padding: 6px 12px;
    font-size: 0.78rem;
  }

  .calendar-legend {
    padding: 12px;
    gap: 8px;
  }

  .legend-item {
    font-size: 0.78rem;
    padding: 5px 8px;
  }
}

@media (max-width: 400px) {
  .header-actions {
    gap: 6px;
  }

  #language-selector {
    padding: 8px 26px 8px 12px !important;
    font-size: 0.78rem !important;
  }

  .header-btn {
    width: 38px;
    height: 38px;
  }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--secondary-pink), var(--dark-pink));
  border-radius: 10px;
}

@media (prefers-reduced-motion: reduce) {
  .landing-page, .landing-page::after, .onicos-logo, .landing-tagline,
  .letter, .logo-icon, .section-header h2, .reveal-on-scroll {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}