* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --near-green: #00EC97;
  --near-green-dim: rgba(0, 236, 151, 0.12);
  --near-green-border: rgba(0, 236, 151, 0.18);
  --near-dark: #000000;
  --near-surface: #111111;
  --near-card: #161616;
  --near-elevated: #1a1a1a;
  --near-border: rgba(255, 255, 255, 0.08);
  --near-border-hover: rgba(255, 255, 255, 0.14);
  --near-text: #FFFFFF;
  --near-text-secondary: #9CA3AF;
  --near-text-tertiary: #6B7280;
  --near-text-muted: #4B5563;
}

::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.gradient-text {
  background: linear-gradient(135deg, #00EC97 0%, #00D68F 50%, #00EC97 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-bg {
  background: #00EC97;
  color: #000000;
}
.gradient-bg:hover {
  background: #00D68F;
}

.glass {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}

.near-card {
  background: var(--near-card);
  border: 1px solid var(--near-border);
  border-radius: 16px;
}

.near-surface {
  background: var(--near-surface);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.2); }
}
.pulse-dot {
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-red {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.pulse-red {
  animation: pulse-red 1.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}
.float-anim {
  animation: float 3s ease-in-out infinite;
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.slide-up {
  animation: slide-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fade-in {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}
.fade-in {
  animation: fade-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slide-in-right {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}
.slide-in-right {
  animation: slide-in-right 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slide-in-left {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(16px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.toast-in {
  animation: toast-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(8px) scale(0.95); }
}
.toast-out {
  animation: toast-out 0.3s ease-in forwards;
}

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

@keyframes particle-float {
  0% { transform: translate(0, 0); opacity: 0; }
  10% { opacity: 0.15; }
  90% { opacity: 0.15; }
  100% { transform: translate(var(--dx), var(--dy)); opacity: 0; }
}

.msg-bubble-sent {
  background: rgba(0, 236, 151, 0.08);
  border: 1px solid rgba(0, 236, 151, 0.12);
}

.msg-bubble-received {
  background: var(--near-card);
  border: 1px solid var(--near-border);
}

.conversation-item {
  border-left: 3px solid transparent;
  transition: all 0.15s ease;
}
.conversation-item:hover {
  background: rgba(255, 255, 255, 0.03);
}
.conversation-item.active {
  background: rgba(0, 236, 151, 0.04);
  border-left-color: #00EC97;
}

input, textarea {
  outline: none;
}
input:focus, textarea:focus {
  border-color: rgba(0, 236, 151, 0.4) !important;
  box-shadow: 0 0 0 3px rgba(0, 236, 151, 0.06);
}

#particles-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 1.5px;
  height: 1.5px;
  background: rgba(0, 236, 151, 0.12);
  border-radius: 50%;
}

/* Near Protocol Tag Style */
.near-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.near-tag-green {
  background: var(--near-green-dim);
  color: var(--near-green);
  border: 1px solid var(--near-green-border);
}

.near-tag-neutral {
  background: rgba(255, 255, 255, 0.04);
  color: var(--near-text-secondary);
  border: 1px solid var(--near-border);
}

.near-tag-red {
  background: rgba(239, 68, 68, 0.08);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.15);
}

/* Near Ecosystem Button Styles */
.near-btn-primary {
  background: #00EC97;
  color: #000000;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
  letter-spacing: -0.01em;
}
.near-btn-primary:hover {
  background: #00D68F;
  transform: translateY(-1px);
}
.near-btn-primary:active {
  transform: translateY(0);
}

.near-btn-secondary {
  background: var(--near-card);
  color: var(--near-text);
  font-weight: 500;
  border: 1px solid var(--near-border);
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.near-btn-secondary:hover {
  border-color: var(--near-border-hover);
  background: var(--near-elevated);
}

/* Near Input Style */
.near-input {
  background: var(--near-surface);
  border: 1px solid var(--near-border);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--near-text);
  font-size: 14px;
  transition: all 0.15s ease;
  width: 100%;
}
.near-input::placeholder {
  color: var(--near-text-muted);
}
.near-input:hover {
  border-color: var(--near-border-hover);
}

/* Stats card */
.near-stat-card {
  background: var(--near-card);
  border: 1px solid var(--near-border);
  border-radius: 14px;
  padding: 16px;
  transition: all 0.15s ease;
}
.near-stat-card:hover {
  border-color: var(--near-border-hover);
}

/* Selection color */
::selection {
  background: rgba(0, 236, 151, 0.25);
  color: white;
}