:root {
    --opx-primary: #B2FF00;
    --opx-primary-dim: #8fcc00;
    --opx-primary-glow: rgba(178, 255, 0, 0.35);
    --opx-bg: #050505;
    --opx-bg-soft: #0c0c0e;
    --opx-card: #141417;
    --opx-card-hover: #1c1c20;
    --opx-border: #2a2a30;
    --opx-text: #F2F2F4;
    --opx-text-muted: #A8A8B3;
    --opx-silver: #d4d4dc;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--opx-bg);
    color: var(--opx-text);
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main { flex: 1 0 auto; }

a { color: var(--opx-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--opx-silver); }

h1, h2, h3, h4, h5, h6 { font-weight: 700; letter-spacing: -0.01em; }

/* Bootstrap text-muted override for dark bg readability */
.text-muted { color: var(--opx-text-muted) !important; }
.lead { color: var(--opx-text-muted); }

::selection { background: var(--opx-primary); color: #000; }

/* ---------- Navbar ---------- */
.navbar-opx {
    background: rgba(5, 5, 5, 0.85) !important;
    border-bottom: 1px solid var(--opx-border);
    backdrop-filter: blur(12px);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.navbar-opx .navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    color: #fff;
}

.navbar-opx .navbar-brand img { height: 52px; width: auto; }
.navbar-opx .navbar-brand .brand-text { color: #fff; }
.navbar-opx .navbar-brand .brand-text span { color: var(--opx-primary); }

.navbar-opx .nav-link {
    color: var(--opx-text) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    position: relative;
}

.navbar-opx .nav-link:hover,
.navbar-opx .nav-link.active { color: var(--opx-primary) !important; }

.navbar-opx .nav-link::after {
    content: '';
    position: absolute;
    left: 1rem; right: 1rem; bottom: 0.25rem;
    height: 2px;
    background: var(--opx-primary);
    transform: scaleX(0);
    transition: transform 0.2s;
}
.navbar-opx .nav-link:hover::after { transform: scaleX(1); }

/* ---------- Buttons ---------- */
.btn-opx {
    background: var(--opx-primary);
    color: #0a0a0a;
    border: none;
    font-weight: 700;
    padding: 0.65rem 1.6rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    box-shadow: 0 0 0 rgba(178, 255, 0, 0);
}

.btn-opx:hover {
    background: #c4ff33;
    color: #0a0a0a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px -6px var(--opx-primary-glow);
}

.btn-outline-opx {
    border: 1.5px solid var(--opx-primary);
    color: var(--opx-primary);
    background: transparent;
    font-weight: 700;
    padding: 0.65rem 1.6rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-outline-opx:hover {
    background: var(--opx-primary);
    color: #0a0a0a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px -6px var(--opx-primary-glow);
}

.btn-sm { padding: 0.4rem 1rem; font-size: 0.875rem; }

/* ---------- Cards ---------- */
.card-opx {
    background: var(--opx-card);
    border: 1px solid var(--opx-border);
    border-radius: 16px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card-opx:hover {
    border-color: var(--opx-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -12px var(--opx-primary-glow);
}

/* ---------- Hero ---------- */
.hero-opx {
    padding: 6rem 0 5rem;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(178, 255, 0, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 80% 20%, rgba(178, 255, 0, 0.05) 0%, transparent 60%);
}

.hero-opx h1 {
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.hero-opx h1 span {
    color: var(--opx-primary);
    text-shadow: 0 0 40px var(--opx-primary-glow);
}

.hero-opx .lead {
    color: var(--opx-text-muted);
    font-size: 1.15rem;
    line-height: 1.7;
}

/* ---------- Tagline ---------- */
.tagline {
    color: var(--opx-primary-dim);
    letter-spacing: 0.35em;
    text-transform: uppercase;
    font-size: 0.8rem;
    font-weight: 600;
}

.tagline .dot { color: var(--opx-primary); }

/* ---------- Section heading ---------- */
.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.5rem;
}
.section-subtitle {
    text-align: center;
    color: var(--opx-text-muted);
    margin-bottom: 3rem;
}

/* ---------- Step card ---------- */
.step-card { position: relative; padding-top: 2.5rem; }

.step-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(178,255,0,0.18), rgba(178,255,0,0.04));
    border: 1.5px solid var(--opx-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--opx-primary);
    margin: 0 auto 1.25rem;
    box-shadow: 0 0 24px -8px var(--opx-primary-glow);
}

.step-card h5 { font-size: 1.2rem; margin-bottom: 0.75rem; color: #fff; }
.step-card p { color: var(--opx-text-muted); line-height: 1.6; }

/* ---------- Forms ---------- */
.form-control, .form-select {
    background: var(--opx-bg-soft) !important;
    border: 1px solid var(--opx-border) !important;
    color: var(--opx-text) !important;
    padding: 0.65rem 0.9rem;
    border-radius: 8px;
}

.form-control::placeholder { color: #6b6b75; }

.form-control:focus, .form-select:focus {
    border-color: var(--opx-primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(178, 255, 0, 0.15) !important;
    background: var(--opx-bg-soft) !important;
}

.form-select option { background: var(--opx-card); color: var(--opx-text); }
.form-label { color: var(--opx-silver); font-weight: 600; margin-bottom: 0.4rem; font-size: 0.9rem; }

/* ---------- Tables ---------- */
.table-opx {
    --bs-table-bg: transparent;
    --bs-table-color: var(--opx-text);
    --bs-table-border-color: var(--opx-border);
    color: var(--opx-text);
}

.table-opx thead th {
    color: var(--opx-primary);
    border-bottom: 2px solid var(--opx-border);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
}

.table-opx td { color: var(--opx-text); vertical-align: middle; }
.table-opx tbody tr { border-color: var(--opx-border); }

/* ---------- Badges ---------- */
.badge { font-weight: 600; padding: 0.4em 0.7em; border-radius: 6px; }
.badge-status-new { background: #3a3a42; color: #fff; }
.badge-status-contacted { background: #d9a406; color: #000; }
.badge-status-quoted { background: #2b86e0; color: #fff; }
.badge-status-won { background: var(--opx-primary); color: #000; }
.badge-status-lost { background: #c0392b; color: #fff; }

/* ---------- Alerts ---------- */
.alert { border-radius: 10px; }
.alert-success-opx {
    background: rgba(178, 255, 0, 0.1);
    border: 1px solid var(--opx-primary);
    color: var(--opx-primary);
}
.alert-danger-opx {
    background: rgba(255, 60, 60, 0.1);
    border: 1px solid #ff5a5a;
    color: #ff9a9a;
}

/* ---------- Footer ---------- */
.footer-opx {
    border-top: 1px solid var(--opx-border);
    padding: 2.5rem 0;
    margin-top: 5rem;
    color: var(--opx-text-muted);
    font-size: 0.9rem;
    background: var(--opx-bg-soft);
}
.footer-opx .footer-logo { height: 44px; margin-bottom: 1rem; }

/* ---------- Partner chips ---------- */
.partner-chip {
    background: var(--opx-card);
    border: 1px solid var(--opx-border);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    height: 100%;
    transition: all 0.2s;
}
.partner-chip:hover { border-color: var(--opx-primary); transform: translateY(-3px); }
.partner-chip .name { font-weight: 600; color: #fff; }
.partner-chip .sector { font-size: 0.75rem; color: var(--opx-text-muted); }

/* ---------- Panel sidebar ---------- */
.panel-sidebar {
    background: var(--opx-card);
    border: 1px solid var(--opx-border);
    border-radius: 16px;
    padding: 1rem;
}
.panel-sidebar .nav-link {
    color: var(--opx-text) !important;
    border-radius: 8px;
    padding: 0.6rem 0.85rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
}
.panel-sidebar .nav-link:hover,
.panel-sidebar .nav-link.active {
    background: rgba(178, 255, 0, 0.12);
    color: var(--opx-primary) !important;
}

/* ---------- Admin sidebar ---------- */
.admin-sidebar {
    background: var(--opx-card);
    border-right: 1px solid var(--opx-border);
    min-height: 100vh;
    padding: 1.5rem 1rem;
}
.admin-sidebar .nav-link {
    color: var(--opx-text) !important;
    border-radius: 8px;
    padding: 0.6rem 0.85rem;
    margin-bottom: 0.2rem;
    font-weight: 500;
}
.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background: rgba(178, 255, 0, 0.12);
    color: var(--opx-primary) !important;
}

/* ---------- Stat card ---------- */
.stat-card {
    background: var(--opx-card);
    border: 1px solid var(--opx-border);
    border-radius: 16px;
    padding: 1.75rem;
    text-align: center;
    transition: all 0.2s;
}
.stat-card:hover { border-color: var(--opx-primary); }
.stat-card .num {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--opx-primary);
    line-height: 1;
}
.stat-card .text-muted { font-size: 0.85rem; }

/* ---------- Email verify box ---------- */
.email-verify-box {
    background: rgba(178, 255, 0, 0.05);
    border: 1px dashed var(--opx-primary);
    border-radius: 10px;
    padding: 1rem;
}

/* ---------- Auth card glow ---------- */
.auth-card {
    background: var(--opx-card);
    border: 1px solid var(--opx-border);
    border-radius: 18px;
    box-shadow: 0 24px 64px -24px rgba(0, 0, 0, 0.8);
}

/* ---------- Utility ---------- */
.text-primary-opx { color: var(--opx-primary) !important; }
.bg-soft { background: var(--opx-bg-soft); }
.divider { border-top: 1px solid var(--opx-border); }