@import "tailwindcss";

@theme {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --color-knot-50: #eef2ff;
  --color-knot-100: #e0e7ff;
  --color-knot-200: #c7d2fe;
  --color-knot-300: #a5b4fc;
  --color-knot-400: #818cf8;
  --color-knot-500: #6366f1;
  --color-knot-600: #4f46e5;
  --color-knot-700: #4338ca;
  --color-knot-800: #3730a3;
  --color-knot-900: #312e81;
  --color-knot-950: #1e1b4b;

  --color-surface: #09090b;
  --color-surface-secondary: #111113;
  --color-surface-tertiary: #1a1a1e;
  --color-surface-hover: #222226;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(255, 255, 255, 0.12);

  --color-accent: #6366f1;
  --color-accent-hover: #818cf8;
  --color-accent-light: rgba(99, 102, 241, 0.15);
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

*::-webkit-scrollbar {
  width: 6px;
}

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

*::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

*::-webkit-scrollbar-thumb:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

html, body, #root {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.scrollbar-hide {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.scrollbar-hide::-webkit-scrollbar {
  display: none;
}

body {
  font-family: var(--font-sans, -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif);
  background-color: var(--color-surface, #17212b);
  color: #fafafa;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-slide-in {
  animation: slideIn 0.2s ease-out;
}

.animate-fade-in {
  animation: fadeIn 0.15s ease-out;
}

.glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.glass-strong {
  background: rgba(17, 17, 19, 0.85);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.gradient-text {
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bubble-sent {
  background: #3b82f6;
}

.bubble-received {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.bubble-sent ::selection {
  background: rgba(255, 255, 255, 0.35);
}

/* ==================== */
/*   Animation Keyframes */
/* ==================== */

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes call-wave {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.5); opacity: 0; }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
  animation: float 6s ease-in-out 3s infinite;
}

.animate-call-wave {
  animation: call-wave 2s ease-out infinite;
}

.animate-call-wave-delayed {
  animation: call-wave 2s ease-out 1s infinite;
}

/* ==================== */
/*      Chat Themes      */
/* ==================== */

.chat-theme-midnight {
  background-color: #0f0f13;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.02' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.chat-theme-ocean {
  background-color: #0b172a;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%233b82f6' fill-opacity='0.05' fill-rule='evenodd'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
}

.chat-theme-forest {
  background-color: #0f1c15;
  background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%2310b981' fill-opacity='0.04' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='3'/%3E%3Ccircle cx='13' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E");
}

.chat-theme-sunset {
  background: linear-gradient(#1f111a, #150a0f);
  position: relative;
}
.chat-theme-sunset::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle at 50% 150%, rgba(236, 72, 153, 0.1), transparent 60%);
}

.chat-theme-classic {
  background-color: #121215;
}

.chat-theme-neon {
  background-color: #0b0f19;
  position: relative;
}
.chat-theme-neon::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
  background: radial-gradient(circle 400px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(139, 92, 246, 0.15), transparent 80%);
  transition: background 0.15s ease-out;
}

.chat-theme-aurora {
  background: linear-gradient(135deg, #022c22, #064e3b);
  position: relative;
}
.chat-theme-aurora::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
  background: radial-gradient(circle 600px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(16, 185, 129, 0.2), transparent 70%);
  transition: background 0.15s ease-out;
}

.chat-theme-cyber {
  background-color: #000;
  background-image:
    linear-gradient(rgba(245, 158, 11, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 158, 11, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  position: relative;
}
.chat-theme-cyber::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
  background: radial-gradient(circle 300px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(245, 158, 11, 0.15), transparent);
  transition: background 0.15s ease-out;
}

.chat-theme-glass {
  background-color: #0d1117;
  position: relative;
  overflow: hidden;
}
.chat-theme-glass::before {
  content: '';
  position: absolute;
  width: 50vw;
  height: 50vh;
  left: var(--mouse-x, 50%);
  top: var(--mouse-y, 50%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2), transparent 60%);
  filter: blur(80px);
  transition: left 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), top 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.chat-theme-void {
  background-color: #000;
  position: relative;
}
.chat-theme-void::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
  background: radial-gradient(circle 120px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.05), transparent);
  transition: background 0.1s;
}

.chat-bg {
  background-color: #09090b;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(168, 85, 247, 0.04) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236366f1' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

::selection {
  background: rgba(99, 102, 241, 0.3);
  text-shadow: 0 0 8px rgba(99, 102, 241, 0.4);
}

input:focus, textarea:focus {
  outline: none;
}

/* Focus-visible ring for keyboard navigation accessibility */
:focus-visible {
  outline: 2px solid rgba(99, 102, 241, 0.6);
  outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}

/* emoji-mart dark theme overrides */
em-emoji-picker {
  --em-rgb-background: 23, 33, 43; /* Telegram surface color */
  --em-rgb-input: 30, 44, 58;
  --em-rgb-color: 240, 240, 240;
  --border-radius: 0 0 16px 16px;
  border: none !important;

  /* Overrides for category navigation to remove blue line and add soft bg */
  --category-icon-active-border-color: transparent !important;
  --category-icon-active-color: #5288c1 !important;
}

em-emoji-picker::part(category-icons) {
  padding-top: 4px;
}

em-emoji-picker::part(category-icon) {
  border-radius: 6px;
  transition: background 0.2s ease;
}

em-emoji-picker::part(category-icon):hover {
  background-color: rgba(255, 255, 255, 0.05);
}

em-emoji-picker::part(category-icon-active) {
  background-color: rgba(82, 136, 193, 0.15); /* Accent light bg */
}

/* Highlight for quoted messages */
@keyframes highlight-glow {
  0% { box-shadow: 0 0 0 3px rgba(82, 136, 193, 0.8), 0 0 20px rgba(82, 136, 193, 0.6); }
  20% { box-shadow: 0 0 0 4px rgba(82, 136, 193, 1), 0 0 30px rgba(82, 136, 193, 0.8); }
  100% { box-shadow: 0 0 0 0 rgba(82, 136, 193, 0), 0 0 0 rgba(82, 136, 193, 0); }
}

.highlight-message {
  animation: highlight-glow 3s ease-out forwards;
}