/* ============================================================
   OPTIMUSCLE — Liquid Glass Design System (Premium)
   ============================================================
   Inspirations : iOS 26, visionOS, Apple Fitness+, Linear
   - Glassmorphism + saturation
   - Glow ambient
   - Gradients animés
   - Borders translucides avec highlight
============================================================ */

/* ===== VARIABLES GLASS ===== */
:root {
  /* Glass surfaces - bien contrastées, effet premium visible */
  --glass-bg-1: rgba(255, 255, 255, 0.06);
  --glass-bg-2: rgba(255, 255, 255, 0.10);
  --glass-bg-3: rgba(255, 255, 255, 0.16);
  --glass-bg-strong: rgba(255, 255, 255, 0.14);
  --glass-border: rgba(255, 255, 255, 0.22);
  --glass-border-strong: rgba(255, 255, 255, 0.40);
  --glass-highlight: rgba(255, 255, 255, 0.50);
  --glass-shine: rgba(255, 255, 255, 0.65);

  /* Glow ambient - plus intenses */
  --glow-accent: 0 0 80px rgba(255, 87, 34, 0.30);
  --glow-electric: 0 0 80px rgba(139, 92, 246, 0.25);
  --glow-cyan: 0 0 80px rgba(6, 182, 212, 0.20);
  --glow-gold: 0 0 80px rgba(251, 191, 36, 0.25);

  /* Blurs intensités */
  --blur-sm: blur(12px) saturate(160%);
  --blur-md: blur(24px) saturate(200%);
  --blur-lg: blur(40px) saturate(200%);
  --blur-xl: blur(56px) saturate(220%);
}

/* Light theme : glass adapté */
html[data-theme="light"] {
  --glass-bg-1: rgba(0, 0, 0, 0.03);
  --glass-bg-2: rgba(0, 0, 0, 0.05);
  --glass-bg-3: rgba(0, 0, 0, 0.07);
  --glass-bg-strong: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.06);
  --glass-border-strong: rgba(0, 0, 0, 0.12);
  --glass-highlight: rgba(255, 255, 255, 0.5);
  --glass-shine: rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: light) {
  html[data-theme="auto"] {
    --glass-bg-1: rgba(0, 0, 0, 0.03);
    --glass-bg-2: rgba(0, 0, 0, 0.05);
    --glass-bg-3: rgba(0, 0, 0, 0.07);
    --glass-bg-strong: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.06);
    --glass-border-strong: rgba(0, 0, 0, 0.12);
    --glass-highlight: rgba(255, 255, 255, 0.5);
    --glass-shine: rgba(0, 0, 0, 0.05);
  }
}

/* ============================================================
   ANIMATIONS GLOBAL GLOW (ambient light en fond de l'app)
   ============================================================ */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 90% 60% at 20% 0%, rgba(255, 87, 34, 0.32) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 80% 25%, rgba(139, 92, 246, 0.24) 0%, transparent 55%),
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(6, 182, 212, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 10% 80%, rgba(255, 87, 34, 0.16) 0%, transparent 50%);
  pointer-events: none;
  animation: ambient-pulse 14s ease-in-out infinite;
}

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

/* ============================================================
   GLASS COMPONENTS (override des composants existants)
   ============================================================ */

/* ===== HEADER GLASS ===== */
#app-header {
  background: var(--glass-bg-strong) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border-bottom: 1px solid var(--glass-border) !important;
  position: relative;
}

#app-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}

/* ===== BOTTOM NAV GLASS (toujours fixed en bas) ===== */
nav.tabs {
  background: rgba(5, 5, 5, 0.75) !important;
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border-top: 1px solid var(--glass-border) !important;
  /* ⭐ FORCE fixed en bas (override toute autre règle) */
  position: fixed !important;
  bottom: 0 !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  z-index: 100 !important;
}

nav.tabs::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent);
}

html[data-theme="light"] nav.tabs {
  background: rgba(255, 255, 255, 0.7) !important;
}

/* ===== CARDS GLASS UPGRADE ===== */
.week-card,
.xp-card,
.streak-card,
.stat-card,
.day-card,
.exercise,
.history-card,
.chart-card,
.badge,
.profile-card,
.testimonial-card,
.nut-kcal-card,
.nut-macros-card,
.nut-water-card,
.nut-meal-card,
.social-proof,
.achievement-header {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border) !important;
  position: relative;
  overflow: hidden;
}

/* Highlight border en haut (liquid effect) */
.week-card::before,
.xp-card::before,
.stat-card::before,
.nut-kcal-card::before,
.nut-macros-card::before,
.day-card::before,
.exercise::before,
.history-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-highlight), transparent) !important;
  pointer-events: none;
}

/* Hover : intensifie le glass */
.day-card:hover:not(.rest):not(.locked),
.exercise:hover:not(.done),
.history-card:hover,
.stat-card:hover,
.badge:hover {
  background: var(--glass-bg-3) !important;
  border-color: var(--glass-border-strong) !important;
  transform: translateY(-2px);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.2),
    var(--glow-accent);
}

/* ===== MODAL GLASS PREMIUM ===== */
.modal-overlay {
  background: rgba(0, 0, 0, 0.65) !important;
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
}

.modal {
  background: var(--glass-bg-strong) !important;
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
  border: 1px solid var(--glass-border-strong) !important;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.6),
    0 0 0 1px var(--glass-highlight),
    inset 0 1px 0 var(--glass-shine);
}

/* ===== BUTTONS LIQUID ===== */
.btn-primary {
  position: relative;
  overflow: hidden;
  box-shadow:
    0 4px 12px rgba(255, 87, 34, 0.25),
    0 12px 32px var(--accent-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    inset 0 -1px 0 rgba(0, 0, 0, 0.1) !important;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 100%);
  pointer-events: none;
  z-index: 1;
}

.btn-primary > * {
  position: relative;
  z-index: 2;
}

.btn-ghost {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border) !important;
}

.btn-ghost:hover {
  background: var(--glass-bg-3) !important;
  border-color: var(--glass-border-strong) !important;
}

/* ===== TOAST GLASS ===== */
.toast {
  background: var(--glass-bg-strong) !important;
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border: 1px solid var(--glass-border-strong) !important;
  color: white !important;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    var(--glow-accent),
    inset 0 1px 0 var(--glass-shine) !important;
}

/* ===== SIDEBAR GLASS ===== */
.sidebar {
  background: rgba(13, 13, 15, 0.85) !important;
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
  border-right: 1px solid var(--glass-border) !important;
}

html[data-theme="light"] .sidebar {
  background: rgba(255, 255, 255, 0.85) !important;
}

.sidebar-backdrop {
  background: rgba(0, 0, 0, 0.5) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
}

/* ===== HERO ENHANCEMENTS ===== */
.hero {
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 30% 70%, rgba(255, 87, 34, 0.2) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  z-index: 3 !important;
}

.hero-tag {
  background: var(--glass-bg-strong) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border-strong) !important;
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ===== INPUT FIELDS GLASS ===== */
.login-input,
.coach-input,
.nut-input,
.nut-search-input,
.time-input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"] {
  background: var(--glass-bg-1) !important;
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border) !important;
  transition: all 0.25s ease;
}

.login-input:focus,
.coach-input:focus,
.nut-input:focus,
.nut-search-input:focus {
  background: var(--glass-bg-2) !important;
  border-color: var(--accent) !important;
  box-shadow:
    0 0 0 3px var(--accent-glow-soft),
    0 4px 16px var(--accent-glow) !important;
}

/* ===== COACH MODAL GLASS ===== */
.coach-modal {
  background: rgba(5, 5, 5, 0.7) !important;
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
}

.coach-header {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border-bottom: 1px solid var(--glass-border) !important;
}

.coach-msg-bubble {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border) !important;
}

.coach-msg-user .coach-msg-bubble {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.coach-starter {
  background: var(--glass-bg-1) !important;
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border) !important;
}

.coach-starter:hover {
  background: var(--glass-bg-3) !important;
  border-color: var(--accent) !important;
}

.coach-form {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border-top: 1px solid var(--glass-border) !important;
}

/* ===== FAB COACH GLOW ===== */
.coach-fab {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%) !important;
  box-shadow:
    0 8px 24px var(--accent-glow),
    0 0 0 4px rgba(255, 87, 34, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    inset 0 -1px 0 rgba(0, 0, 0, 0.2) !important;
  position: fixed !important;
  /* Override pour vraiment être au-dessus de la nav */
  bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px) + 80px) !important;
}

@media (min-width: 768px) {
  .coach-fab {
    bottom: 32px !important;
  }
}

/* ===== NUT KCAL RING ENHANCEMENTS ===== */
.nut-kcal-card {
  position: relative;
}

.nut-kcal-card::after {
  content: '';
  position: absolute;
  inset: 20% 30%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.nut-kcal-ring {
  position: relative;
  z-index: 1;
}

/* ===== XP CARD AMÉLIORÉ ===== */
.xp-card {
  background: linear-gradient(135deg,
    var(--glass-bg-3) 0%,
    var(--glass-bg-2) 100%) !important;
}

.xp-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.xp-fill {
  position: relative;
  background: linear-gradient(90deg, #8b5cf6 0%, #ec4899 100%);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.6);
}

.xp-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%);
  animation: shimmer-fast 2s linear infinite;
}

@keyframes shimmer-fast {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== STREAK CARD ENHANCEMENTS ===== */
.streak-card {
  background: linear-gradient(135deg,
    rgba(255, 87, 34, 0.15) 0%,
    rgba(255, 87, 34, 0.04) 100%) !important;
  border: 1px solid var(--border-accent) !important;
  position: relative;
}

.streak-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(255, 87, 34, 0.4) 0%, transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}

/* ===== BADGE UNLOCKED GLOW ===== */
.badge.unlocked {
  background: linear-gradient(135deg,
    rgba(251, 191, 36, 0.15) 0%,
    rgba(251, 191, 36, 0.04) 100%) !important;
  border: 1px solid rgba(251, 191, 36, 0.4) !important;
  box-shadow:
    0 4px 16px rgba(251, 191, 36, 0.2),
    inset 0 1px 0 rgba(251, 191, 36, 0.3) !important;
}

.badge.unlocked:hover {
  box-shadow:
    0 12px 32px rgba(251, 191, 36, 0.3),
    inset 0 1px 0 rgba(251, 191, 36, 0.4),
    var(--glow-gold) !important;
}

/* ===== PILL ELEMENTS GLASS ===== */
.set-pill,
.muscle-tag,
.today-badge,
.pill {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border) !important;
}

.today-badge {
  background: var(--grad-brand) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  box-shadow:
    0 4px 12px var(--accent-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
}

/* ===== PROGRESS BARS LIQUID ===== */
.progress-bar,
.nut-macro-bar,
.xp-progress,
.onb-progress-track {
  background: rgba(255, 255, 255, 0.06) !important;
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border) !important;
}

.progress-fill,
.onb-progress-bar {
  position: relative;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow:
    0 0 12px var(--accent-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%);
  animation: shimmer-fast 2.5s linear infinite;
}

/* ===== OPTION ONBOARDING LIQUID ===== */
.option {
  background: var(--glass-bg-1) !important;
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border) !important;
  position: relative;
  overflow: hidden;
}

.option:hover {
  background: var(--glass-bg-3) !important;
  border-color: var(--glass-border-strong) !important;
}

.option.selected {
  background: linear-gradient(90deg,
    rgba(255, 87, 34, 0.15) 0%,
    rgba(255, 87, 34, 0.04) 100%) !important;
  border-color: var(--accent) !important;
  box-shadow:
    0 4px 16px var(--accent-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
}

.option-emoji {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border) !important;
}

/* ===== LIVE COUNTER GLASS ===== */
.live-counter {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border) !important;
}

/* ===== NUT WATER GLASS ===== */
.nut-water-card {
  background: linear-gradient(135deg,
    rgba(6, 182, 212, 0.12) 0%,
    rgba(6, 182, 212, 0.03) 100%) !important;
  border: 1px solid rgba(6, 182, 212, 0.3) !important;
  position: relative;
}

.nut-water-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

/* ===== HEADER LOGO : contour propre + glow subtil ===== */
.logo-icon {
  position: relative;
  overflow: visible !important;
  /* Bordure claire pour bien délimiter */
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.15),
    0 4px 16px rgba(255, 87, 34, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: -8px;
  background: radial-gradient(circle, rgba(255, 87, 34, 0.3) 0%, transparent 70%);
  filter: blur(12px);
  opacity: 0.5;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

/* Reflet brillant sur le logo (effet liquid) */
.logo-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.25) 0%,
    rgba(255, 255, 255, 0) 50%);
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
}

/* ===== TYPING ANIMATION GLASS ===== */
.coach-typing .coach-msg-bubble {
  background: var(--glass-bg-2) !important;
}

/* ===== LANDING PAGE GLASS PREMIUM — ultra visible ===== */

/* Hero badge glass */
.landing-badge-top {
  background: rgba(255, 255, 255, 0.10) !important;
  backdrop-filter: blur(24px) saturate(200%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(200%) !important;
  border: 1px solid rgba(255, 255, 255, 0.35) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -1px 0 rgba(0,0,0,0.1),
    0 8px 32px rgba(255,87,34,0.25),
    0 2px 8px rgba(0,0,0,0.2) !important;
}

/* Feature cards — glass très prononcé */
.landing-feature {
  background: rgba(255, 255, 255, 0.07) !important;
  backdrop-filter: blur(32px) saturate(200%) !important;
  -webkit-backdrop-filter: blur(32px) saturate(200%) !important;
  border: 1px solid rgba(255, 255, 255, 0.20) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -1px 0 rgba(0,0,0,0.15),
    inset 1px 0 0 rgba(255,255,255,0.08),
    0 8px 40px rgba(0,0,0,0.35),
    0 2px 0 rgba(255,255,255,0.06) !important;
  position: relative;
  overflow: hidden;
}

/* Reflet angulaire sur chaque feature card */
.landing-feature::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg,
    rgba(255,255,255,0.07) 0%,
    rgba(255,255,255,0) 100%);
  pointer-events: none;
  border-radius: inherit;
  z-index: 0;
}

.landing-feature > * {
  position: relative;
  z-index: 1;
}

.landing-feature:hover {
  background: rgba(255,255,255,0.11) !important;
  border-color: rgba(255,255,255,0.32) !important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.55),
    inset 0 -1px 0 rgba(0,0,0,0.1),
    0 16px 56px rgba(0,0,0,0.45),
    0 0 0 1px rgba(255,87,34,0.3),
    0 0 60px rgba(255,87,34,0.2) !important;
}

/* Stats bar glass */
.landing-stats {
  background: rgba(255,255,255,0.06) !important;
  backdrop-filter: blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
  border-top: 1px solid rgba(255,255,255,0.18) !important;
  border-bottom: 1px solid rgba(255,255,255,0.18) !important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.20),
    inset 0 -1px 0 rgba(0,0,0,0.08) !important;
}

/* Testimonial glass */
.landing-testimonial {
  background: rgba(255,255,255,0.08) !important;
  backdrop-filter: blur(32px) saturate(200%) !important;
  -webkit-backdrop-filter: blur(32px) saturate(200%) !important;
  border: 1px solid rgba(255,255,255,0.25) !important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.50),
    inset 0 -1px 0 rgba(0,0,0,0.10),
    0 24px 64px rgba(0,0,0,0.40),
    0 0 80px rgba(255,87,34,0.12) !important;
}

/* Urgency block */
.landing-urgency {
  background: rgba(255,87,34,0.10) !important;
  backdrop-filter: blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
  border: 1px solid rgba(255,87,34,0.45) !important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.20),
    0 16px 48px rgba(255,87,34,0.25),
    0 0 80px rgba(255,87,34,0.15) !important;
}

/* CTA primary button — liquid glass inset */
.landing-cta-primary {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.35),
    inset 0 -1px 0 rgba(0,0,0,0.20),
    0 8px 32px rgba(255,87,34,0.45),
    0 2px 8px rgba(0,0,0,0.3) !important;
}

.landing-cta-primary:hover {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.45),
    inset 0 -1px 0 rgba(0,0,0,0.15),
    0 16px 56px rgba(255,87,34,0.55),
    0 4px 16px rgba(0,0,0,0.3) !important;
}

/* Trust items glass pills */
.landing-trust-item {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.16);
  padding: 6px 14px;
  border-radius: 100px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.30),
    0 2px 8px rgba(0,0,0,0.2);
}

/* Final CTA section glass overlay */
.landing-final-cta {
  background:
    radial-gradient(ellipse at center, rgba(255,87,34,0.25) 0%, transparent 70%),
    rgba(255,255,255,0.04) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  border-top: 1px solid rgba(255,255,255,0.12) !important;
}

/* ===== TESTIMONIAL CARDS ===== */
.testimonial-card {
  background: var(--glass-bg-2) !important;
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border) !important;
}

/* ===== TIMER MODAL GLASS ===== */
.timer-circle .bg {
  stroke: var(--glass-bg-3) !important;
}

/* ===== ACHIEVEMENT HEADER GOLD ===== */
.achievement-header {
  background: linear-gradient(135deg,
    rgba(251, 191, 36, 0.15) 0%,
    rgba(251, 191, 36, 0.04) 100%) !important;
  border: 1px solid var(--gold) !important;
  position: relative;
}

.achievement-header::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.4) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

/* ===== SCROLLBAR PREMIUM ===== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border-strong);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 87, 34, 0.4);
}

/* ===== ANIMATIONS PREMIUM ===== */
@keyframes liquid-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-8px) rotate(1deg); }
  66% { transform: translateY(4px) rotate(-1deg); }
}

.streak-flame,
.fire-icon {
  animation: liquid-float 4s ease-in-out infinite !important;
  filter: drop-shadow(0 0 16px var(--accent)) !important;
}

/* Performance : désactiver les blurs sur les mobiles bas de gamme si needed */
@media (prefers-reduced-motion: reduce) {
  body::before,
  .progress-fill::after,
  .xp-fill::after,
  .streak-flame,
  .fire-icon {
    animation: none !important;
  }
}


/* ===== CARDS : contour bien visible + reflet liquid ===== */
.week-card,
.xp-card,
.streak-card,
.stat-card,
.day-card,
.exercise,
.history-card,
.chart-card,
.badge,
.profile-card,
.testimonial-card,
.nut-kcal-card,
.nut-macros-card,
.nut-water-card,
.nut-meal-card,
.social-proof,
.achievement-header,
.chal-weekly-card,
.chal-active-card,
.chal-catalog-card,
.landing-feature {
  box-shadow:
    0 1px 0 var(--glass-highlight) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset,
    0 4px 16px rgba(0, 0, 0, 0.25) !important;
  position: relative;
}

/* Highlight border supérieur (effet glass lumineux) */
.week-card::before,
.xp-card::before,
.stat-card::before,
.nut-kcal-card::before,
.nut-macros-card::before,
.day-card::before,
.exercise::before,
.history-card::before,
.chal-weekly-card::before,
.chal-active-card::before,
.chal-catalog-card::before,
.landing-feature::before,
.testimonial-card::before,
.social-proof::before,
.achievement-header::before,
.badge::before,
.profile-card::before,
.streak-card::before,
.nut-water-card::before,
.nut-meal-card::before {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: 10% !important;
  right: 10% !important;
  height: 1px !important;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent) !important;
  pointer-events: none !important;
  z-index: 2 !important;
}

/* HOVER : intensifier */
.day-card:hover:not(.rest):not(.locked),
.exercise:hover:not(.done),
.history-card:hover,
.stat-card:hover,
.badge:hover,
.chal-catalog-card:hover {
  background: var(--glass-bg-3) !important;
  border-color: var(--glass-border-strong) !important;
  box-shadow:
    0 1px 0 var(--glass-highlight) inset,
    0 -1px 0 rgba(0, 0, 0, 0.2) inset,
    0 12px 32px rgba(0, 0, 0, 0.4),
    0 0 32px var(--accent-glow-soft) !important;
  transform: translateY(-2px);
}

/* SUR LIGHT THEME : ajuster les contrastes */
html[data-theme="light"] .week-card,
html[data-theme="light"] .xp-card,
html[data-theme="light"] .streak-card,
html[data-theme="light"] .stat-card,
html[data-theme="light"] .day-card,
html[data-theme="light"] .exercise,
html[data-theme="light"] .history-card,
html[data-theme="light"] .badge,
html[data-theme="light"] .profile-card,
html[data-theme="light"] .landing-feature {
  background: rgba(255, 255, 255, 0.85) !important;
  border-color: rgba(0, 0, 0, 0.08) !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 1) inset,
    0 4px 16px rgba(0, 0, 0, 0.08) !important;
}