/* VeriSwap — Premium Design System (Navy + Gold) */

/* ===== Foundation ===== */
:root {
  --navy-950: #0A1628;
  --navy-900: #0F1D32;
  --navy-800: #162844;
  --navy-700: #1B2E4B;
  --navy-600: #243B5C;
  --navy-500: #2E4A6E;
  --navy-400: #4A6A8E;
  --navy-300: #7A9ABE;
  --navy-200: #B0C8E4;
  --navy-100: #DAE6F2;
  --navy-50:  #EDF2F8;
  --gold-500: #C5A55A;
  --gold-400: #D4B96E;
  --gold-300: #E0CC8A;
  --gold-200: #ECDCAD;
  --gold-100: #F5EDD3;
  --gold-600: #A88A3E;
  --glass-light: rgba(255,255,255,0.65);
  --glass-dark: rgba(15,29,50,0.65);
  --glass-border-light: rgba(255,255,255,0.3);
  --glass-border-dark: rgba(74,106,142,0.25);
}

html { scroll-behavior: smooth; }

/* Hide number input spin buttons to prevent accidental value changes on mobile */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* ===== Glassmorphism ===== */
.glass {
  background: var(--glass-light);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--glass-border-light);
}
.dark .glass {
  background: var(--glass-dark);
  border-color: var(--glass-border-dark);
}

.glass-strong {
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid rgba(255,255,255,0.45);
}
.dark .glass-strong {
  background: rgba(15,29,50,0.82);
  border-color: rgba(74,106,142,0.35);
}

/* ===== 3D Card System ===== */
.card-3d {
  transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
  transform-style: preserve-3d;
  transition: transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94),
              box-shadow 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
}
.card-3d:hover {
  transform: perspective(1000px) rotateX(-2deg) rotateY(2deg) translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(10,22,40,0.25),
              0 0 0 1px rgba(197,165,90,0.1);
}
.dark .card-3d:hover {
  box-shadow: 0 20px 40px -12px rgba(0,0,0,0.5),
              0 0 0 1px rgba(197,165,90,0.15);
}

.card-float {
  animation: cardFloat 6s ease-in-out infinite;
}
.card-float-delay {
  animation: cardFloat 6s ease-in-out infinite 2s;
}
.card-float-delay-2 {
  animation: cardFloat 6s ease-in-out infinite 4s;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

/* ===== Gold Shimmer ===== */
.gold-shimmer {
  background: linear-gradient(
    110deg,
    var(--gold-600) 0%,
    var(--gold-400) 35%,
    var(--gold-300) 50%,
    var(--gold-400) 65%,
    var(--gold-600) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ===== Gradient Backgrounds ===== */
.gradient-hero {
  background: 
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(27,46,75,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(197,165,90,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(30,64,110,0.06) 0%, transparent 50%);
}
.dark .gradient-hero {
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(27,46,75,0.5) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(197,165,90,0.12) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(30,64,110,0.15) 0%, transparent 50%);
}

.gradient-mesh {
  background:
    radial-gradient(at 20% 30%, rgba(27,46,75,0.08) 0%, transparent 50%),
    radial-gradient(at 80% 70%, rgba(197,165,90,0.06) 0%, transparent 50%),
    radial-gradient(at 50% 50%, rgba(46,74,110,0.04) 0%, transparent 60%);
}
.dark .gradient-mesh {
  background:
    radial-gradient(at 20% 30%, rgba(27,46,75,0.3) 0%, transparent 50%),
    radial-gradient(at 80% 70%, rgba(197,165,90,0.1) 0%, transparent 50%),
    radial-gradient(at 50% 50%, rgba(46,74,110,0.12) 0%, transparent 60%);
}

/* ===== Animated Grid Background ===== */
.grid-bg {
  background-image:
    linear-gradient(rgba(27,46,75,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27,46,75,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 100%);
}
.dark .grid-bg {
  background-image:
    linear-gradient(rgba(197,165,90,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197,165,90,0.12) 1px, transparent 1px);
}

/* ===== Loading & Spinners ===== */
.spinner {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Entrance Animations ===== */
.animate-in {
  animation: slideUp 0.5s cubic-bezier(0.16,1,0.3,1) both;
}
.animate-in-delay { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ===== Glow Effects ===== */
.glow-gold {
  box-shadow: 0 0 20px rgba(197,165,90,0.15),
              0 0 40px rgba(197,165,90,0.05);
}
.dark .glow-gold {
  box-shadow: 0 0 20px rgba(197,165,90,0.2),
              0 0 60px rgba(197,165,90,0.08);
}

.glow-navy {
  box-shadow: 0 0 20px rgba(27,46,75,0.15),
              0 0 40px rgba(27,46,75,0.05);
}
.dark .glow-navy {
  box-shadow: 0 0 30px rgba(27,46,75,0.4),
              0 0 60px rgba(27,46,75,0.15);
}

/* ===== Premium Button Press Effect ===== */
.press-effect {
  transition: transform 0.15s cubic-bezier(0.25,0.46,0.45,0.94);
}
.press-effect:active {
  transform: scale(0.97);
}

/* ===== Bottom Nav (Mobile) ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px 0;
  font-size: 10px;
  font-weight: 500;
  color: var(--navy-400);
  transition: color 0.2s, transform 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-item:active {
  transform: scale(0.9);
}
.bottom-nav-item.active,
.bottom-nav-item:hover {
  color: var(--gold-500);
}
.bottom-nav-item.active svg,
.bottom-nav-item:hover svg {
  stroke: var(--gold-500);
}
.dark .bottom-nav-item {
  color: var(--navy-300);
}
.dark .bottom-nav-item.active,
.dark .bottom-nav-item:hover {
  color: var(--gold-400);
}

/* Create button (center of bottom nav) */
.bottom-nav-create {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: white;
  margin-top: -20px;
  box-shadow: 0 4px 15px rgba(197,165,90,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-create:active {
  transform: scale(0.92);
}
.bottom-nav-create:hover {
  box-shadow: 0 6px 20px rgba(197,165,90,0.5);
}

/* ===== Tablet Sidebar ===== */
@media (min-width: 768px) and (max-width: 1023px) {
  .tablet-sidebar {
    width: 72px;
    transition: width 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
    overflow-x: hidden;
  }
  .tablet-sidebar:hover,
  .tablet-sidebar.expanded {
    width: 240px;
  }
  .tablet-sidebar .sidebar-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
    transition: opacity 0.2s, width 0.2s;
    white-space: nowrap;
  }
  .tablet-sidebar:hover .sidebar-label,
  .tablet-sidebar.expanded .sidebar-label {
    opacity: 1;
    width: auto;
  }
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--navy-400);
  border-radius: 12px;
  margin: 2px 8px;
  transition: color 0.2s, background-color 0.2s;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}
.sidebar-item:hover {
  color: var(--navy-700);
  background-color: rgba(var(--navy-100-rgb, 218,230,242), 0.6);
}
.sidebar-item.active {
  color: var(--gold-500);
}
.sidebar-item.active svg {
  stroke: var(--gold-500);
}
.dark .sidebar-item {
  color: var(--navy-300);
}
.dark .sidebar-item:hover {
  color: white;
  background-color: rgba(var(--navy-800-rgb, 22,40,68), 0.6);
}
.dark .sidebar-item.active {
  color: var(--gold-400);
}
.dark .sidebar-item.active svg {
  stroke: var(--gold-400);
}
.sidebar-item svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
}
.sidebar-item img {
  flex-shrink: 0;
  min-width: 22px;
  min-height: 22px;
  width: 22px;
  height: 22px;
}
.sidebar-divider {
  height: 1px;
  margin: 8px 16px;
  background: var(--navy-100);
}
.dark .sidebar-divider {
  background: var(--navy-800);
}

/* Tablet body offset for sidebar */
@media (min-width: 768px) and (max-width: 1023px) {
  body.has-bottom-nav {
    padding-left: 72px;
  }
}

/* ===== Depth Shadows (3D) ===== */
.shadow-depth {
  box-shadow:
    0 1px 2px rgba(10,22,40,0.04),
    0 4px 8px rgba(10,22,40,0.06),
    0 12px 24px rgba(10,22,40,0.08);
}
.dark .shadow-depth {
  box-shadow:
    0 1px 2px rgba(0,0,0,0.1),
    0 4px 8px rgba(0,0,0,0.15),
    0 12px 24px rgba(0,0,0,0.2);
}

.shadow-depth-lg {
  box-shadow:
    0 2px 4px rgba(10,22,40,0.04),
    0 8px 16px rgba(10,22,40,0.08),
    0 24px 48px rgba(10,22,40,0.12);
}
.dark .shadow-depth-lg {
  box-shadow:
    0 2px 4px rgba(0,0,0,0.15),
    0 8px 16px rgba(0,0,0,0.2),
    0 24px 48px rgba(0,0,0,0.3);
}

/* ===== Stat Number Counter ===== */
.stat-value {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* ===== Mobile body padding for bottom nav ===== */
@media (max-width: 767px) {
  body.has-bottom-nav {
    padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  }
}

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--navy-300);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--navy-400);
}
.dark ::-webkit-scrollbar-thumb {
  background: var(--navy-600);
}
.dark ::-webkit-scrollbar-thumb:hover {
  background: var(--navy-500);
}

/* ===== Pulse ring for notifications ===== */
.pulse-ring {
  position: relative;
}
.pulse-ring::after {
  content: '';
  position: absolute;
  top: -2px; right: -2px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gold-500);
  animation: pulseRing 2s ease-in-out infinite;
}
@keyframes pulseRing {
  0% { box-shadow: 0 0 0 0 rgba(197,165,90,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(197,165,90,0); }
  100% { box-shadow: 0 0 0 0 rgba(197,165,90,0); }
}

/* ===== Global Loading & Progress System ===== */

/* --- Top progress bar --- */
.vs-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 9999;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-400), var(--gold-500));
  background-size: 200% 100%;
  border-radius: 0 2px 2px 0;
  transition: none;
  pointer-events: none;
}
.vs-progress-bar-active {
  width: 85%;
  transition: width 8s cubic-bezier(0.1, 0.4, 0.2, 1);
  animation: progressShimmer 1.5s linear infinite;
}
.vs-progress-bar-done {
  width: 100% !important;
  opacity: 0;
  transition: width 0.2s ease, opacity 0.3s 0.15s ease;
}
@keyframes progressShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- Button loading state --- */
.vs-btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.85;
  gap: 0.5rem;
}
.vs-btn-loading .vs-spinner {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
  animation: spin 0.75s linear infinite;
}
.vs-btn-loading .vs-spinner-track {
  opacity: 0.2;
}
.vs-btn-loading .vs-spinner-head {
  opacity: 0.9;
}

/* Subtle shimmer sweep on the button while loading */
.vs-btn-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    110deg,
    transparent 25%,
    rgba(255,255,255,0.15) 45%,
    rgba(255,255,255,0.25) 50%,
    rgba(255,255,255,0.15) 55%,
    transparent 75%
  );
  background-size: 250% 100%;
  animation: btnShimmer 1.8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes btnShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}