/* =========================================================
   CALENDARIO LUNARE PURO 12026 HE & GRIMORIO
   Core Design System — main.css
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;900&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  /* Palette Cosmica & Alchemica */
  --bg-deep: #080c11;
  --bg-surface: #0e151f;
  --bg-card: rgba(18, 27, 39, 0.75);
  --bg-card-hover: rgba(26, 38, 54, 0.85);
  --bg-glass: rgba(14, 21, 31, 0.65);
  --border-glass: rgba(212, 175, 55, 0.2);
  --border-subtle: rgba(255, 255, 255, 0.08);

  /* Accenti Oro & Luce */
  --gold-primary: #d4af37;
  --gold-light: #ffe29f;
  --gold-dark: #8c6d1f;
  --gold-glow: rgba(212, 175, 55, 0.35);

  /* Colori Tipografici */
  --text-primary: #f0f4f8;
  --text-secondary: #a0aec0;
  --text-muted: #64748b;
  --text-gold: #e2c058;

  /* Quarti Energetici Pastello (Scuriti e calibrati per Dark UI con contrasto perfetto) */
  --q1-semina-bg: rgba(67, 160, 71, 0.15);
  --q1-semina-border: #43a047;
  --q1-semina-text: #81c784;

  --q2-azione-bg: rgba(253, 216, 53, 0.15);
  --q2-azione-border: #fbc02d;
  --q2-azione-text: #fff176;

  --q3-apice-bg: rgba(33, 150, 243, 0.15);
  --q3-apice-border: #1e88e5;
  --q3-apice-text: #90caf9;

  --q4-detox-bg: rgba(156, 39, 176, 0.15);
  --q4-detox-border: #8e24aa;
  --q4-detox-text: #ce93d8;

  --reset-bg: rgba(20, 20, 25, 0.9);
  --reset-border: #4a4a55;

  /* Stagioni */
  --primavera-color: #66bb6a;
  --dovizia-color: #fbc02d;
  --inverno-color: #64b5f6;
  --liminale-color: #ab47bc;

  /* Tipografia */
  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Transizioni */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Ombre & Profondità */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.7);
  --shadow-gold: 0 0 25px rgba(212, 175, 55, 0.25);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
}

/* Reset Globale */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(212, 175, 55, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(67, 160, 71, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(30, 136, 229, 0.02) 0%, transparent 60%);
  background-attachment: fixed;
}

/* App Header & Navigation */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-glass);
  padding: 0.75rem 1.25rem;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.brand-logo-svg {
  width: 38px;
  height: 38px;
  filter: drop-shadow(0 0 8px var(--gold-glow));
  transition: transform var(--transition-normal);
}

.brand-wrapper:hover .brand-logo-svg {
  transform: rotate(15deg) scale(1.08);
}

.brand-text h1 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--gold-light);
  line-height: 1.1;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.brand-text span {
  font-size: 0.72rem;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

/* Top Nav Tabs */
.nav-tabs {
  display: flex;
  gap: 0.4rem;
  background: rgba(8, 12, 17, 0.8);
  padding: 0.3rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.nav-tab-btn:hover {
  color: var(--gold-light);
  background: rgba(212, 175, 55, 0.1);
}

.nav-tab-btn.active {
  color: #080c11;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-primary));
  font-weight: 600;
  box-shadow: 0 0 14px var(--gold-glow);
}

/* Header Utilities */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.icon-btn:hover {
  color: var(--gold-light);
  border-color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.15);
}

/* Main Content Container */
.main-container {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem 1rem;
}

/* Tab Panels */
.tab-panel {
  display: none;
  animation: fadeIn 0.35s ease;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Common Card & Glass Containers */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-glass);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold-primary));
  color: #080c11;
  box-shadow: 0 0 15px var(--gold-glow);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #ffffff, var(--gold-light));
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--gold-light);
  border: 1px solid var(--gold-primary);
}

.btn-outline:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--gold-light);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Modal Universale */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 10, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-box {
  background: #0d141e;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.75rem;
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--gold-light);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: #ff5252;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: rgba(8, 12, 17, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--gold-primary);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  pointer-events: none;
}

.toast {
  background: #111a24;
  border: 1px solid var(--gold-primary);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  pointer-events: auto;
  animation: slideInUp 0.3s ease forwards;
  max-width: 380px;
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Update Banner Bar */
.update-banner {
  background: linear-gradient(90deg, #1a2530, #241c10);
  border-bottom: 1px solid var(--gold-primary);
  padding: 0.6rem 1rem;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--gold-light);
  text-align: center;
  position: relative;
  z-index: 99;
}

.update-banner.active {
  display: flex;
}

/* Footer */
.app-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: rgba(8, 12, 17, 0.95);
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--gold-light);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.footer-links a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* Responsive Mobile Navigation */
@media (max-width: 768px) {
  .app-header {
    padding: 0.6rem 0.85rem;
  }

  .header-container {
    flex-wrap: wrap;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    justify-content: space-around;
    margin-top: 0.4rem;
  }

  .nav-tab-btn {
    padding: 0.35rem 0.65rem;
    font-size: 0.78rem;
  }

  .brand-text h1 {
    font-size: 1rem;
  }

  .main-container {
    padding: 1rem 0.5rem 2.5rem 0.5rem;
  }
}

/* Glossary / Manual Link Styles */
.glossary-link {
  cursor: help;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.glossary-link:hover {
  color: var(--gold-light) !important;
  border-bottom-color: var(--gold-light) !important;
}