/**
 * Modern UI - Ruby Dark Theme
 * Upgraded & Cleaned Version
 */

/* ===== 1. CSS VARIABLES ===== */
:root {
  /* Primary Palette: Red (đồng bộ với tailwind red-500/600) */
  --modern-primary: #ef4444;
  --modern-primary-dark: #dc2626;
  --modern-primary-light: #fca5a5;
  --modern-accent: #f87171;
  --modern-accent-deep: #b91c1c;
  
  /* RGB Values for rgba() transparency */
  --primary-rgb: 239, 68, 68;
  --accent-rgb: 248, 113, 113;

  /* Dark Background (Burgundy Tone) */
  --modern-bg-dark: #0a0405;
  --modern-bg-card: #120608;
  --modern-bg-card-hover: #1a080b;
  --modern-text-primary: #fff1f2;
  --modern-text-secondary: #fda4af;
  
  /* Borders & Shadows */
  --modern-border: rgba(255, 255, 255, 0.08);
  --modern-border-hover: rgba(var(--primary-rgb), 0.45);
  
  /* Animation Easing Curves */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== 2. GLOBAL BACKGROUND ===== */
.dark body,
html.dark body {
  background: 
    radial-gradient(circle at 15% 15%, rgba(var(--primary-rgb), 0.12) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(var(--accent-rgb), 0.08) 0%, transparent 45%),
    linear-gradient(135deg, var(--modern-bg-dark) 0%, #0d0405 50%, var(--modern-bg-dark) 100%) !important;
  background-attachment: fixed !important;
}

/* ===== 3. SIDEBAR STYLING ===== */
.dark .wt-sidebar,
html.dark .wt-sidebar {
  background: rgba(18, 6, 8, 0.85) !important;
  backdrop-filter: blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
  border-right: 1px solid var(--modern-border) !important;
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3) !important;
  z-index: 60 !important;
}

.dark .bg-muted-100,
.dark .bg-muted-900 {
  background: transparent !important;
}

html.dark .wt-sidebar a[class],
html.dark .wt-sidebar button[class],
html.dark .wt-sidebar a[class*="bg-primary"],
html.dark .wt-sidebar button[class*="bg-primary"],
html.dark .wt-sidebar a[class*="router-link"],
html.dark .wt-sidebar a[class*="active"],
html.dark .wt-sidebar button[class*="active"],
html.dark .wt-sidebar li a[class] {
  background: transparent !important;
  border-left-color: transparent !important;
  border-radius: 8px !important;
  transition: all 0.3s var(--ease-smooth) !important;
}

html.dark .wt-sidebar a[class]:hover,
html.dark .wt-sidebar button[class]:hover {
  background: rgba(255, 255, 255, 0.06) !important;
  transform: translateX(4px);
}

html.dark .wt-sidebar a[class*="active"],
html.dark .wt-sidebar button[class*="active"] {
  background: rgba(var(--primary-rgb), 0.15) !important;
  box-shadow: inset 3px 0 0 var(--modern-primary) !important;
}

.wt-sidebar img {
  filter: saturate(0.9);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.wt-sidebar a:hover img,
.wt-sidebar .active img {
  filter: saturate(1.2) brightness(1.1);
  transform: scale(1.05);
}

.wt-sidebar .logo-area img,
.wt-sidebar > div:first-child img {
  filter: none;
}

/* ===== 4. CARDS & GLASSMORPHISM ===== */
.dark .nui-card {
  background: rgba(18, 6, 8, 0.7) !important;
  backdrop-filter: blur(16px) !important;
  border: 1px solid var(--modern-border) !important;
  border-radius: 14px !important;
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.4),
    0 2px 4px -2px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
  transition: all 0.4s var(--ease-out-expo) !important;
  position: relative;
  overflow: hidden;
  animation: fade-in-up 0.5s var(--ease-out-expo) backwards;
}

.dark .nui-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), 0.5), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.dark .nui-card:hover {
  background: rgba(26, 8, 11, 0.85) !important;
  border-color: var(--modern-border-hover) !important;
  transform: translateY(-4px) scale(1.005);
  box-shadow: 
    0 20px 40px -8px rgba(0, 0, 0, 0.6),
    0 10px 20px -6px rgba(var(--primary-rgb), 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
}

.dark .nui-card:hover::before {
  opacity: 1;
}

.dark .nui-card .nui-avatar {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.15) 0%, rgba(var(--accent-rgb), 0.15) 100%);
  padding: 4px;
  border-radius: 50%;
}

/* ===== 5. BUTTONS & CONTROLS ===== */
.nui-button-primary,
.nui-button-solid.nui-button-primary {
  background: linear-gradient(135deg, var(--modern-primary) 0%, var(--modern-primary-dark) 100%) !important;
  background-size: 150% 150% !important;
  border: none !important;
  box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.35) !important;
  transition: all 0.3s var(--ease-bounce) !important;
  position: relative;
  overflow: hidden;
}

.nui-button-primary::after,
.nui-button-solid.nui-button-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.nui-button-primary:hover::after,
.nui-button-solid.nui-button-primary:hover::after {
  transform: translateX(100%);
}

.nui-button-primary:hover,
.nui-button-solid.nui-button-primary:hover {
  transform: translateY(-2px);
  background-position: 100% 100% !important;
  box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.5) !important;
}

.nui-button-primary:active,
.nui-button-solid.nui-button-primary:active {
  transform: translateY(0) scale(0.98);
}

/* Success & Danger Buttons */
.nui-button-success,
.nui-button-solid.nui-button-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35) !important;
  transition: all 0.3s var(--ease-bounce) !important;
}

.nui-button-success:hover,
.nui-button-solid.nui-button-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.5) !important;
}

.nui-button-danger,
.nui-button-solid.nui-button-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.35) !important;
  transition: all 0.3s var(--ease-bounce) !important;
}

.nui-button-danger:hover,
.nui-button-solid.nui-button-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.5) !important;
}

/* ===== 6. INPUTS & FORM CONTROLS ===== */
.dark .nui-input,
.dark .nui-select,
.dark .nui-textarea {
  background: rgba(12, 4, 6, 0.8) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 10px !important;
  transition: all 0.3s var(--ease-smooth) !important;
}

.dark .nui-input:hover,
.dark .nui-select:hover,
.dark .nui-textarea:hover {
  border-color: rgba(255, 255, 255, 0.2) !important;
}

.dark .nui-input:focus,
.dark .nui-select:focus,
.dark .nui-textarea:focus {
  border-color: var(--modern-primary) !important;
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15) !important;
  outline: none !important;
}

/* ===== 7. SWIPER / CAROUSEL ===== */
.swiper {
  border-radius: 16px !important;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4) !important;
}

.swiper-slide img {
  border-radius: 16px;
  transition: transform 0.6s var(--ease-smooth);
}

.swiper-slide:hover img {
  transform: scale(1.04);
}

.swiper-button-next,
.swiper-button-prev {
  background: rgba(0, 0, 0, 0.6) !important;
  backdrop-filter: blur(10px);
  width: 44px !important;
  height: 44px !important;
  border-radius: 12px !important;
  transition: all 0.3s var(--ease-bounce) !important;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
  background: rgba(var(--primary-rgb), 0.9) !important;
  transform: scale(1.1);
}

.swiper-button-next::after,
.swiper-button-prev::after {
  font-size: 18px !important;
  font-weight: bold;
}

.swiper-pagination-bullet {
  transition: all 0.3s ease !important;
}

.swiper-pagination-bullet-active {
  background: var(--modern-primary) !important;
  transform: scale(1.4);
}

/* ===== 8. TAGS & AVATARS ===== */
.nui-tag {
  font-weight: 500 !important;
  letter-spacing: 0.02em;
  transition: all 0.2s ease !important;
}

.dark .nui-tag-primary {
  background: rgba(var(--primary-rgb), 0.15) !important;
  color: var(--modern-primary-light) !important;
  border: 1px solid rgba(var(--primary-rgb), 0.3) !important;
}

.nui-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(var(--primary-rgb), 0.15);
}

.nui-avatar img {
  box-shadow: 0 0 0 2px var(--modern-bg-card), 0 0 0 4px rgba(var(--primary-rgb), 0.25);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.nui-avatar:hover img {
  box-shadow: 0 0 0 2px var(--modern-bg-card), 0 0 0 4px var(--modern-primary);
  transform: scale(1.08);
}

/* ===== 9. MARQUEE & HEADER ===== */
.marquee {
  z-index: 50 !important;
  background: transparent !important;
  backdrop-filter: none !important;
  border: none !important;
  pointer-events: auto !important;
}

.marquee span {
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4) !important;
}

.flex.items-center.gap-2.h-16 {
  z-index: 55 !important;
  position: relative !important;
}

/* ===== 10. SCROLLBAR & PRELOADER ===== */
::-webkit-scrollbar {
  width: 6px !important;
  height: 6px !important;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(var(--primary-rgb), 0.3) !important;
  border-radius: 10px !important;
  transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--primary-rgb), 0.6) !important;
}

.dark .lavender-preloader {
  background: linear-gradient(135deg, var(--modern-bg-dark) 0%, #0d0405 100%) !important;
}

.loader .path {
  stroke: var(--modern-primary) !important;
}

/* ===== 11. POPUPS, BANNERS & TEXT UTILITIES ===== */
.dark .popup-banner {
  background: rgba(18, 6, 8, 0.95) !important;
  backdrop-filter: blur(20px) !important;
  border: 1px solid var(--modern-border) !important;
  border-radius: 16px !important;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6) !important;
  animation: popup-enter 0.4s var(--ease-bounce);
}

@keyframes popup-enter {
  from { opacity: 0; transform: scale(0.92) translateY(15px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.dark .text-primary-500 {
  color: var(--modern-primary-light) !important;
}

.dark .bg-primary-500 {
  background-color: var(--modern-primary) !important;
}

.magic-text {
  background: linear-gradient(90deg, var(--modern-primary), var(--modern-accent), var(--modern-accent-deep), var(--modern-primary)) !important;
  background-size: 300% !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  animation: gradient-shift 4s ease infinite !important;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.text-red-500,
.text-danger-500 {
  background: linear-gradient(90deg, #f87171, #ef4444) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  font-weight: 600 !important;
}

/* ===== 12. ANIMATIONS ===== */
@keyframes subtle-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.nui-card:hover .nui-avatar img {
  animation: subtle-float 2.5s ease-in-out infinite;
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Skeleton Loading Shimmer */
.dark [class*="skeleton"] {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.02) 25%, rgba(255, 255, 255, 0.06) 50%, rgba(255, 255, 255, 0.02) 75%) !important;
  background-size: 200% 100% !important;
  animation: skeleton-shimmer 1.5s infinite linear;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== 13. ACCESSIBILITY & FOCUS VISIBLE ===== */
button:focus-visible,
a:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--modern-primary) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.2) !important;
}

/* ===== 14. CURSORS ===== */
body, select, button, a:hover, input, textarea {
  cursor: auto !important;
}

button, a, [role="button"] {
  cursor: pointer !important;
}

input, textarea {
  cursor: text !important;
}

/* ===== 15. RESPONSIVE BREAKPOINTS ===== */
@media (max-width: 768px) {
  .swiper,
  .nui-card {
    border-radius: 12px !important;
  }

  .dark .nui-card:hover {
    transform: none;
  }
}

/* ===== 16. PREFERS REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}