/* ================================================================
   BalloonAI Chatbot – Stylesheet (Fixed)
================================================================ */

:root {
  --bg-dark: #0a0118;
  --bg-darker: #050008;
  --bg-card: #1a0f2e;
  --bg-card-hover: #251540;

  --accent-primary: #ff4b8b;
  --accent-secondary: #a855f7;
  --accent-tertiary: #3b82f6;

  --text-primary: #ffffff;
  --text-secondary: #c4b5fd;
  --text-muted: #94a3b8;

  --border-subtle: rgba(168, 85, 247, 0.18);
  --border-glow: rgba(255, 75, 139, 0.28);

  --gradient-primary: linear-gradient(135deg, #ff4b8b 0%, #a855f7 50%, #3b82f6 100%);
  --radius-md: 20px;
  --radius-lg: 28px;
}

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

body {
  font-family: 'Almarai', sans-serif;
  background: var(--bg-darker);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* Container */
.container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  position: relative;
  z-index: 2;
}

/* Background */
.bg-gradient {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(168, 85, 247, 0.18), transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(255, 75, 139, 0.18), transparent 60%);
  animation: pulse 14s ease-in-out infinite;
  z-index: 0;
}
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .6 } }

/* Header */
.header {
  background: rgba(10,1,24,0.7);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
}

/* Logo */
.logo-container{
  display:flex;
  align-items:center;
  gap: 12px;
  min-width: 220px;
}

.logo-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 6px;
}

.logo-text{
  display:flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 22px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-subtitle{
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Nav */
.header-nav {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(26, 15, 46, 0.55);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 999px;
  transition: 0.25s ease;
}

.nav-link:hover {
  background: rgba(168, 85, 247, 0.12);
  color: white;
}

.nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 75, 139, 0.16);
  border: 1px solid var(--border-glow);
}

/* Language Button */
.btn-lang {
  background: var(--bg-card);
  padding: 10px 16px;
  border-radius: 12px;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: 0.25s ease;
}
.btn-lang:hover{
  border-color: var(--border-glow);
  transform: translateY(-1px);
}

/* Main */
.chat-main {
  padding: 40px 0;
  position: relative;
  z-index: 2;
}

/* Welcome */
.welcome-banner {
  text-align: center;
  padding: 10px 0 26px;
}

.bot-avatar-large {
  width: 120px;
  height: 120px;
  object-fit: contain;
  animation: float 3s infinite;
  opacity: 0.95;
}
@keyframes float { 0%,100% { transform: translateY(0) } 50% { transform: translateY(-10px) } }

.welcome-title {
  font-size: 34px;
  margin-top: 10px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.welcome-subtitle {
  color: var(--text-secondary);
  font-size: 16px;
  margin-top: 10px;
}

/* Chat Box */
.chat-container {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(26, 15, 46, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  backdrop-filter: blur(18px);
}

.messages-area {
  max-height: 420px;
  overflow-y: auto;
  padding: 8px 6px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.messages-area::-webkit-scrollbar { width: 6px; }
.messages-area::-webkit-scrollbar-thumb {
  background: rgba(168, 85, 247, 0.7);
  border-radius: 10px;
}

/* Messages */
.message { display: flex; gap: 12px; }
.message.user { flex-direction: row-reverse; }

.message-content {
  padding: 14px 16px;
  max-width: 72%;
  border-radius: 16px;
  word-break: break-word;
  line-height: 1.6;
}

.message.user .message-content {
  background: var(--gradient-primary);
  color: white;
}

.message.bot .message-content {
  background: rgba(26, 15, 46, 0.9);
  border: 1px solid var(--border-subtle);
}

/* Input Area */
.input-area {
  margin-top: 14px;
}

.input-container {
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(18, 8, 36, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 10px 12px;
}

.btn-attachment{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.06);
  cursor: pointer;
}

.message-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: white;
  font-size: 15px;
  resize: none;
  padding: 8px 6px;
}

.btn-send {
  width: 54px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: 14px;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 18px;
  transition: 0.25s ease;
}
.btn-send:hover{ transform: translateY(-1px); }

/* Quick Actions */
.quick-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.quick-action-btn {
  background: rgba(10,1,24,0.5);
  border: 1px solid var(--border-subtle);
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: 0.25s ease;
}
.quick-action-btn:hover{
  border-color: var(--border-glow);
  color: white;
  transform: translateY(-1px);
}

/* Features */
.features-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.feature-card{
  background: rgba(26, 15, 46, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 18px;
  backdrop-filter: blur(16px);
}

.feature-icon{ font-size: 22px; margin-bottom: 10px; opacity: 0.95; }
.feature-card h3{ font-size: 18px; margin-bottom: 8px; }
.feature-card p{ color: var(--text-muted); line-height: 1.6; }

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,0,12,0.82);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 1000;
}
.loading-overlay.active { display: flex; }

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255,255,255,0.15);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}
@keyframes spin { to { transform: rotate(360deg) } }

.loading-text{
  margin-top: 14px;
  color: var(--text-secondary);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}
.modal.active { display: flex; }

.modal-content {
  width: min(920px, 92vw);
  background: rgba(26, 15, 46, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 14px;
}

.modal-close{
  float: right;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.06);
  color: white;
  cursor: pointer;
  font-size: 20px;
}

.modal-content img{
  width: 100%;
  height: auto;
  display:block;
  border-radius: 14px;
  margin-top: 10px;
}

.modal-actions{
  margin-top: 12px;
  display:flex;
  justify-content: flex-end;
}

.btn-download{
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 980px){
  .header-content{ flex-wrap: wrap; }
  .header-nav{ width: 100%; justify-content: center; order: 3; }
  .features-grid{ grid-template-columns: 1fr; }
}