:root {
    --bt-green-950: #052e16;
    --bt-green-900: #0a3d20;
    --bt-green-800: #14532d;
    --bt-green-700: #166534;
    --bt-green-600: #16a34a;
    --bt-green-500: #22c55e;
    --bt-green-400: #4ade80;
    --bt-green-100: #dcfce7;
    --bt-green-50: #f0fdf4;
    --bt-gold: #d4a017;
    --bt-orange-700: #c2410c;
    --bt-orange-600: #ea580c;
    --bt-orange-500: #f97316;
    --bt-orange-400: #fb923c;
    --bt-orange-100: #ffedd5;
    --bs-body-font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    background-color: var(--bt-green-50);
    color: #1b2b20;
}

a {
    color: var(--bt-green-700);
}

/* Navbar */
.bt-navbar {
    background: linear-gradient(90deg, var(--bt-green-900), var(--bt-green-800));
    box-shadow: 0 2px 10px rgba(5, 46, 22, .25);
}
.bt-navbar .navbar-brand {
    font-weight: 700;
    color: #fff;
    letter-spacing: .3px;
}
.bt-navbar .nav-link {
    color: rgba(255,255,255,.85) !important;
    font-weight: 500;
}
.bt-navbar .nav-link:hover,
.bt-navbar .nav-link.active {
    color: #fff !important;
}
.btn-bt-primary {
    background-color: var(--bt-green-600);
    border-color: var(--bt-green-600);
    color: #fff;
    font-weight: 600;
}
.btn-bt-primary:hover {
    background-color: var(--bt-green-500);
    border-color: var(--bt-green-500);
    color: #fff;
}
.btn-outline-bt {
    border-color: var(--bt-green-600);
    color: var(--bt-green-700);
    font-weight: 600;
}
.btn-outline-bt:hover {
    background-color: var(--bt-green-600);
    color: #fff;
}
.btn-bt-accent {
    background-color: var(--bt-orange-500);
    border-color: var(--bt-orange-500);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(234, 88, 12, .3);
}
.btn-bt-accent:hover {
    background-color: var(--bt-orange-600);
    border-color: var(--bt-orange-600);
    color: #fff;
}

/* Hero */
.bt-hero {
    background: radial-gradient(circle at 20% 20%, var(--bt-green-800), var(--bt-green-950) 70%);
    color: #fff;
    padding: 90px 0 110px;
    position: relative;
    overflow: hidden;
}
.bt-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: .5;
}
.bt-hero .bt-shape {
    position: absolute;
    z-index: 0;
    opacity: .9;
    pointer-events: none;
}
.bt-hero .bt-shape-1 {
    width: 220px;
    height: 220px;
    left: -60px;
    bottom: -60px;
    background: linear-gradient(135deg, var(--bt-orange-500), var(--bt-orange-700));
    clip-path: polygon(0 100%, 0 40%, 100% 100%);
}
.bt-hero .bt-shape-2 {
    width: 160px;
    height: 160px;
    right: -40px;
    top: -30px;
    background: linear-gradient(135deg, var(--bt-orange-400), var(--bt-orange-600));
    clip-path: polygon(100% 0, 40% 0, 100% 100%);
}
.bt-hero .container {
    position: relative;
    z-index: 1;
}
.bt-hero .eyebrow {
    color: var(--bt-green-400);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: .85rem;
}
.bt-hero h1 {
    font-weight: 800;
    font-size: 2.6rem;
}
.bt-hero p.lead {
    color: rgba(255,255,255,.85);
}

/* Tracker search card */
.bt-tracker-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 20px 45px rgba(5, 46, 22, .18);
    padding: 2rem;
    margin-top: -70px;
    position: relative;
    z-index: 5;
}

/* Feature cards */
.bt-feature-card {
    border: none;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(5, 46, 22, .06);
    transition: transform .2s ease, box-shadow .2s ease;
}
/* Add Bootstrap's .h-100 alongside .bt-feature-card only when cards sit
   side-by-side in a row and need to match height (e.g. 3-up feature grid). */
.bt-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(5, 46, 22, .12);
}
.bt-feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--bt-green-100);
    color: var(--bt-green-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

/* SOP Steps */
.bt-step-card {
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--bt-green-100);
    padding: 1.75rem 1.5rem;
    height: 100%;
    position: relative;
}
.bt-step-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--bt-green-100);
    -webkit-text-stroke: 1.5px var(--bt-green-600);
}

/* Progress timeline */
.bt-timeline {
    list-style: none;
    padding: 0;
    margin: 0;
}
.bt-timeline li {
    position: relative;
    padding: 0 0 2rem 2.5rem;
    border-left: 2px solid var(--bt-green-100);
}
.bt-timeline li:last-child {
    border-left: 2px solid transparent;
    padding-bottom: 0;
}
.bt-timeline .bt-dot {
    position: absolute;
    left: -11px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #cbd5c9;
}
.bt-timeline li.completed .bt-dot {
    background: var(--bt-green-600);
    border-color: var(--bt-green-600);
}
.bt-timeline li.in_progress .bt-dot {
    background: var(--bt-orange-500);
    border-color: var(--bt-orange-500);
    box-shadow: 0 0 0 5px rgba(249, 115, 22, .18);
}

.badge-status-in_progress { background-color: var(--bt-orange-100); color: var(--bt-orange-700); }
.badge-status-completed { background-color: var(--bt-green-100); color: var(--bt-green-800); }
.badge-status-rejected { background-color: #fee2e2; color: #991b1b; }
.badge-status-pending { background-color: #e5e7eb; color: #374151; }

.bt-footer {
    background: var(--bt-green-950);
    color: rgba(255,255,255,.75);
}
.bt-footer a {
    color: rgba(255,255,255,.75);
}
.bt-footer a:hover {
    color: #fff;
}
.bt-footer h5, .bt-footer h6 {
    color: #fff;
}

.bt-progress-bar-track {
    height: 10px;
    border-radius: 6px;
    background: var(--bt-green-100);
    overflow: hidden;
}
.bt-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--bt-green-600), var(--bt-green-400));
    border-radius: 6px;
}

.bt-sidebar-link {
    display: block;
    padding: .65rem 1rem;
    border-radius: 10px;
    color: #1b2b20;
    font-weight: 500;
}
.bt-sidebar-link.active, .bt-sidebar-link:hover {
    background: var(--bt-green-100);
    color: var(--bt-green-800);
}

.card-auth {
    border: none;
    border-radius: 18px;
    box-shadow: 0 20px 45px rgba(5, 46, 22, .12);
}