/**
 * PREMIUM ENHANCEMENTS v1.0 - Effets visuels ultra-premium
 * Glassmorphism avancé + Animations fluides + Micro-interactions
 */

/* ============================================
   GLOBAL PREMIUM SHADOWS & GLOWS
   ============================================ */

:root {
  --shadow-premium-sm: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
  --shadow-premium-md: 0 4px 16px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-premium-lg: 0 8px 32px rgba(0, 0, 0, 0.16), 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-premium-xl: 0 16px 64px rgba(0, 0, 0, 0.20), 0 8px 32px rgba(0, 0, 0, 0.12);
  
  --glow-gold: 0 0 20px rgba(212, 175, 55, 0.3), 0 0 40px rgba(212, 175, 55, 0.15);
  --glow-accent: 0 0 20px var(--accent-color-rgb, rgba(59, 130, 246, 0.3));
  
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  
  --transition-premium: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   BUTTONS PREMIUM
   ============================================ */

button, .btn, .cal-v7-btn, [class*="btn-"] {
  position: relative;
  overflow: hidden;
  transition: var(--transition-premium);
  box-shadow: var(--shadow-premium-sm);
}

button:hover, .btn:hover, .cal-v7-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-premium-md);
}

button:active, .btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: var(--shadow-premium-sm);
}

/* Ripple effect on click */
button::before, .btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

button:active::before, .btn:active::before {
  width: 300px;
  height: 300px;
}

/* Primary buttons with gradient */
.cal-v7-btn-primary, .btn-primary, button[class*="primary"] {
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-color-dark, #2563eb) 100%);
  border: none;
  color: white;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-premium-md), var(--glow-accent);
}

.cal-v7-btn-primary:hover {
  box-shadow: var(--shadow-premium-lg), var(--glow-accent);
  filter: brightness(1.1);
}

/* ============================================
   CARDS & CONTAINERS PREMIUM
   ============================================ */

.calendar-v7-container, .cal-v7-modal-content, 
[class*="card"], [class*="panel"] {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 16px;
  transition: var(--transition-premium);
}

.calendar-v7-container:hover {
  box-shadow: var(--shadow-premium-lg);
  border-color: rgba(255, 255, 255, 0.18);
}

/* ============================================
   CALENDAR SPECIFIC ENHANCEMENTS
   ============================================ */

/* Header premium */
.cal-v7-header {
  background: linear-gradient(135deg, 
    rgba(var(--accent-color-rgb, 59, 130, 246), 0.15) 0%,
    rgba(var(--accent-color-rgb, 59, 130, 246), 0.05) 100%);
  backdrop-filter: blur(10px);
  border-radius: 12px 12px 0 0;
  padding: 24px;
  border-bottom: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.cal-v7-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent 0%,
    var(--accent-color) 50%,
    transparent 100%);
  opacity: 0.6;
}

.cal-v7-title {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Filter chips premium */
.cal-v7-filter-chip {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 8px 16px;
  transition: var(--transition-bounce);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.cal-v7-filter-chip::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 100%);
  transition: left 0.6s;
}

.cal-v7-filter-chip:hover::before {
  left: 100%;
}

.cal-v7-filter-chip:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-premium-md);
  border-color: rgba(255, 255, 255, 0.25);
}

.cal-v7-filter-chip.active {
  background: linear-gradient(135deg, 
    var(--accent-color) 0%, 
    var(--accent-color-dark, #2563eb) 100%);
  border-color: transparent;
  color: white;
  font-weight: 600;
  box-shadow: var(--shadow-premium-md), var(--glow-accent);
}

/* Calendar grid cells */
.cal-v7-day-cell {
  transition: var(--transition-premium);
  position: relative;
}

.cal-v7-day-cell::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, 
    rgba(var(--accent-color-rgb, 59, 130, 246), 0.1) 0%,
    transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: 8px;
}

.cal-v7-day-cell:hover::before {
  opacity: 1;
}

.cal-v7-day-cell:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-premium-sm);
  border-radius: 8px;
}

/* Event items premium */
.cal-v7-event-item {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-left: 4px solid var(--accent-color);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 4px 0;
  transition: var(--transition-premium);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.cal-v7-event-item::after {
  content: '';
  position: absolute;
  top: 0;
  right: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 100%);
  transition: right 0.5s;
}

.cal-v7-event-item:hover::after {
  right: 100%;
}

.cal-v7-event-item:hover {
  transform: translateX(4px) scale(1.02);
  box-shadow: var(--shadow-premium-md);
  border-left-width: 6px;
}

/* ============================================
   MODAL PREMIUM
   ============================================ */

.cal-v7-modal-overlay {
  backdrop-filter: blur(12px) brightness(0.5);
  -webkit-backdrop-filter: blur(12px) brightness(0.5);
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.cal-v7-modal-content {
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-premium-xl);
  border: 2px solid var(--glass-border);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Input fields premium */
.cal-v7-modal-content input,
.cal-v7-modal-content select,
.cal-v7-modal-content textarea {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 12px 16px;
  transition: var(--transition-premium);
  backdrop-filter: blur(8px);
}

.cal-v7-modal-content input:focus,
.cal-v7-modal-content select:focus,
.cal-v7-modal-content textarea:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(var(--accent-color-rgb, 59, 130, 246), 0.15),
              var(--shadow-premium-sm);
  transform: scale(1.01);
  background: rgba(255, 255, 255, 0.12);
}

/* ============================================
   SCROLLBAR PREMIUM
   ============================================ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--glass-bg);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, 
    var(--accent-color) 0%,
    var(--accent-color-dark, #2563eb) 100%);
  border-radius: 10px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, 
    var(--accent-color-dark, #2563eb) 0%,
    var(--accent-color) 100%);
  box-shadow: var(--glow-accent);
}

/* ============================================
   TOOLTIPS PREMIUM
   ============================================ */

[title]:hover::after {
  content: attr(title);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 1000;
  box-shadow: var(--shadow-premium-lg);
  animation: tooltipFade 0.2s ease-out;
}

@keyframes tooltipFade {
  from { opacity: 0; transform: translateX(-50%) translateY(-4px); }
  to { opacity: 1; transform: translateX(-50%) translateY(-8px); }
}

/* ============================================
   RESPONSIVE PREMIUM TOUCHES
   ============================================ */

@media (max-width: 768px) {
  .calendar-v7-container {
    border-radius: 12px;
  }
  
  .cal-v7-header {
    padding: 16px;
  }
  
  .cal-v7-title {
    font-size: 22px;
  }
}

/* ============================================
   DARK MODE SPECIFIC ENHANCEMENTS
   ============================================ */

[data-theme*="dark"] .cal-v7-header,
[data-theme*="nuit"] .cal-v7-header,
[data-theme*="midnight"] .cal-v7-header {
  background: linear-gradient(135deg, 
    rgba(var(--accent-color-rgb, 59, 130, 246), 0.2) 0%,
    rgba(var(--accent-color-rgb, 59, 130, 246), 0.08) 100%);
}

[data-theme*="dark"] .cal-v7-event-item,
[data-theme*="nuit"] .cal-v7-event-item,
[data-theme*="midnight"] .cal-v7-event-item {
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

/* ============================================
   LOADING STATES PREMIUM
   ============================================ */

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.loading-skeleton {
  background: linear-gradient(90deg,
    var(--glass-bg) 0%,
    rgba(255, 255, 255, 0.15) 50%,
    var(--glass-bg) 100%);
  background-size: 2000px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: 8px;
}

/* ============================================
   MICRO-INTERACTIONS
   ============================================ */

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

.pulse-animation {
  animation: pulse 2s infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}