/* ── Alliance Technical Group brand theme ── */
:root {
    --atg-blue: #1B4CA3;
    --atg-navy: #0D1E3E;
    --atg-gray: #6B7280;
    --bs-primary: #1B4CA3;
    --bs-primary-rgb: 27, 76, 163;
    --bs-link-color: #1B4CA3;
    --bs-link-color-rgb: 27, 76, 163;
}

.btn-primary {
    --bs-btn-bg: #1B4CA3;
    --bs-btn-border-color: #1B4CA3;
    --bs-btn-hover-bg: #163f8a;
    --bs-btn-hover-border-color: #163f8a;
    --bs-btn-active-bg: #122f6b;
    --bs-btn-active-border-color: #122f6b;
    --bs-btn-focus-shadow-rgb: 27, 76, 163;
}

.btn-outline-primary {
    --bs-btn-color: #1B4CA3;
    --bs-btn-border-color: #1B4CA3;
    --bs-btn-hover-bg: #1B4CA3;
    --bs-btn-hover-border-color: #1B4CA3;
    --bs-btn-active-bg: #1B4CA3;
    --bs-btn-active-border-color: #1B4CA3;
    --bs-btn-focus-shadow-rgb: 27, 76, 163;
}

/* Navbar */
.atg-navbar {
    background-color: var(--atg-navy) !important;
    border-bottom: 2px solid var(--atg-blue) !important;
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
}

.atg-navbar-logo {
    background: white;
    border-radius: 4px;
    padding: 3px 7px;
    line-height: 0;
    display: inline-flex;
    align-items: center;
}

.atg-navbar-product {
    color: white;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.03em;
}

.atg-navbar .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: 0.9rem;
}

.atg-navbar .nav-link:hover,
.atg-navbar .nav-link:focus {
    color: #fff !important;
}

.atg-navbar .nav-link.text-muted {
    color: rgba(255, 255, 255, 0.5) !important;
}

/* Home page hero */
.atg-hero {
    background: linear-gradient(135deg, var(--atg-navy) 0%, var(--atg-blue) 100%);
    color: white;
    padding: 5rem 3rem;
    text-align: center;
}

.atg-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.atg-hero .lead {
    font-size: 1.1rem;
    opacity: 0.88;
    max-width: 560px;
    margin: 1rem auto 0;
}

.atg-hero-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.atg-feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: var(--atg-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #1B4CA3;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* Typing indicator (chat) */
.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 4px;
}
.typing-indicator span {
  width: 7px;
  height: 7px;
  background: #adb5bd;
  border-radius: 50%;
  display: inline-block;
  animation: typing-dot 1.2s infinite ease-in-out;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-dot {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* Processing badge pulse */
@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.badge-processing {
  animation: badge-pulse 1.8s ease-in-out infinite;
}

/* Toast container */
#toast-container {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
}
#toast-container .toast-item {
  pointer-events: auto;
  min-width: 280px;
  max-width: 500px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}