/* ========================================
   AlphaOne LLC — Reference Architectures Styles
   Extends site dark theme (style.css + pages.css)
   ======================================== */

/* Scoped layout and color variables for architecture content */
.ref-arch-wrap {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px 60px;

    /* Architecture-specific palette (brighter for diagrams) */
    --primary: #818cf8;
    --primary-light: #a5b4fc;
    --primary-dark: #6366f1;
    --accent: #22d3ee;
    --accent-light: #67e8f9;
    --bg-card-hover: #1a1a2e;
    --surface: #16161f;
    --text: #f0f0f3;
    --text-muted: #d4d4d8;
    --text-dim: #b0b0b8;
    --radius-lg: 20px;
    --green: #34d399;
    --green-light: #6ee7b7;
    --orange: #fbbf24;
    --orange-light: #fde68a;
    --red: #f87171;
    --red-light: #fca5a5;
    --purple: #c084fc;
    --purple-light: #d8b4fe;
}

/* Architecture Header */
.ref-arch-header {
    text-align: center;
    padding: 0 0 40px;
}

.ref-arch-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.ref-arch-sub {
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 12px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Badges */
.ref-arch-wrap .header-badges {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.ref-arch-wrap .badge {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    border: 1px solid;
}

.ref-arch-wrap .badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    border-color: rgba(99, 102, 241, 0.2);
}

.ref-arch-wrap .badge-accent {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-light);
    border-color: rgba(6, 182, 212, 0.2);
}

.ref-arch-wrap .badge-green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--green-light);
    border-color: rgba(16, 185, 129, 0.2);
}

.ref-arch-wrap .badge-orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--orange-light);
    border-color: rgba(245, 158, 11, 0.2);
}

.ref-arch-wrap .badge-red {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red-light);
    border-color: rgba(239, 68, 68, 0.2);
}

.ref-arch-wrap .header-meta {
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-dim);
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.ref-arch-wrap .header-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Section Titles */
.ref-arch-wrap .section-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 44px 0 18px;
    padding-left: 14px;
    border-left: 3px solid var(--primary);
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Layer Cards */
.ref-arch-wrap .layer {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
    background: var(--bg-card);
    position: relative;
    transition: border-color var(--transition);
}

.ref-arch-wrap .layer:hover {
    border-color: var(--border-hover);
}

.ref-arch-wrap .layer-label {
    position: absolute;
    top: -10px;
    left: 24px;
    padding: 2px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: var(--bg);
}

.ref-arch-wrap .ll-primary { color: var(--primary-light); border: 1px solid rgba(99, 102, 241, 0.2); background: var(--bg); }
.ref-arch-wrap .ll-accent { color: var(--accent); border: 1px solid rgba(6, 182, 212, 0.2); background: var(--bg); }
.ref-arch-wrap .ll-green { color: var(--green); border: 1px solid rgba(16, 185, 129, 0.2); background: var(--bg); }
.ref-arch-wrap .ll-orange { color: var(--orange); border: 1px solid rgba(245, 158, 11, 0.2); background: var(--bg); }
.ref-arch-wrap .ll-red { color: var(--red); border: 1px solid rgba(239, 68, 68, 0.2); background: var(--bg); }
.ref-arch-wrap .ll-purple { color: var(--purple); border: 1px solid rgba(168, 85, 247, 0.2); background: var(--bg); }

/* Component Cards */
.ref-arch-wrap .components { display: flex; gap: 12px; flex-wrap: wrap; }

.ref-arch-wrap .comp {
    flex: 1;
    min-width: 150px;
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    transition: all var(--transition);
}

.ref-arch-wrap .comp:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}

.ref-arch-wrap .comp-icon { font-size: 20px; margin-bottom: 8px; display: block; opacity: 0.9; }
.ref-arch-wrap .comp-name { font-weight: 700; font-size: 13px; margin-bottom: 4px; color: var(--white); }
.ref-arch-wrap .comp-detail { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

.ref-arch-wrap .c-primary { border-color: rgba(99, 102, 241, 0.15); }
.ref-arch-wrap .c-primary .comp-name { color: var(--primary-light); }
.ref-arch-wrap .c-accent { border-color: rgba(6, 182, 212, 0.15); }
.ref-arch-wrap .c-accent .comp-name { color: var(--accent-light); }
.ref-arch-wrap .c-green { border-color: rgba(16, 185, 129, 0.15); }
.ref-arch-wrap .c-green .comp-name { color: var(--green-light); }
.ref-arch-wrap .c-orange { border-color: rgba(245, 158, 11, 0.15); }
.ref-arch-wrap .c-orange .comp-name { color: var(--orange-light); }
.ref-arch-wrap .c-red { border-color: rgba(239, 68, 68, 0.15); }
.ref-arch-wrap .c-red .comp-name { color: var(--red-light); }
.ref-arch-wrap .c-purple { border-color: rgba(168, 85, 247, 0.15); }
.ref-arch-wrap .c-purple .comp-name { color: var(--purple-light); }

/* Flow Arrows */
.ref-arch-wrap .flow-arrow { text-align: center; padding: 10px 0; }
.ref-arch-wrap .flow-arrow .arrows { font-size: 18px; letter-spacing: 6px; color: rgba(129, 140, 248, 0.5); }
.ref-arch-wrap .flow-arrow .label { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

/* Agent Grid */
.ref-arch-wrap .agent-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 8px;
    margin-top: 14px;
}

.ref-arch-wrap .agent-group {
    padding: 14px 8px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(99, 102, 241, 0.12);
    background: var(--surface);
    transition: all var(--transition);
    cursor: default;
}

.ref-arch-wrap .agent-group:hover {
    background: var(--bg-card-hover);
    border-color: rgba(99, 102, 241, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.12);
}

.ref-arch-wrap .agent-group .gid { font-size: 16px; font-weight: 800; color: var(--primary-light); }
.ref-arch-wrap .agent-group .cnt { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.ref-arch-wrap .agent-group .ids { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.ref-arch-wrap .agent-group .inf { font-size: 12px; color: var(--primary); margin-top: 5px; font-family: 'Courier New', monospace; }

/* Context Engine Loop */
.ref-arch-wrap .loop-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 12px;
    align-items: center;
}

.ref-arch-wrap .loop-step {
    flex: 1;
    min-width: 76px;
    padding: 10px 4px;
    text-align: center;
    border-radius: 10px;
    border: 1px solid rgba(6, 182, 212, 0.15);
    background: rgba(6, 182, 212, 0.04);
    transition: all var(--transition);
}

.ref-arch-wrap .loop-step:hover { background: rgba(6, 182, 212, 0.1); border-color: rgba(6, 182, 212, 0.3); }
.ref-arch-wrap .loop-step .num { font-size: 16px; font-weight: 800; color: var(--accent); }
.ref-arch-wrap .loop-step .lbl { font-size: 12px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.5px; margin-top: 2px; }
.ref-arch-wrap .loop-arr { color: rgba(34, 211, 238, 0.45); font-size: 14px; }

/* Budget Bar */
.ref-arch-wrap .budget-bar {
    display: flex;
    height: 28px;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 10px;
    border: 1px solid var(--border);
}

.ref-arch-wrap .bseg {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.ref-arch-wrap .bs-global { width: 12.5%; background: rgba(99, 102, 241, 0.25); color: var(--primary-light); }
.ref-arch-wrap .bs-tenant { width: 20%; background: rgba(99, 102, 241, 0.18); color: #c7d2fe; }
.ref-arch-wrap .bs-user { width: 15%; background: rgba(6, 182, 212, 0.2); color: var(--accent-light); }
.ref-arch-wrap .bs-retrieved { width: 30%; background: rgba(6, 182, 212, 0.13); color: #a5f3fc; }
.ref-arch-wrap .bs-session { width: 22.5%; background: rgba(16, 185, 129, 0.15); color: var(--green-light); }

/* Two/Three Column Layouts */
.ref-arch-wrap .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ref-arch-wrap .three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* Principles (Architecture Non-Negotiables) */
.ref-arch-wrap .principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 14px;
}

.ref-arch-wrap .principle-card {
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.ref-arch-wrap .principle-card:hover { border-color: rgba(99, 102, 241, 0.2); transform: translateY(-2px); }

.ref-arch-wrap .principle-card .pnum {
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ref-arch-wrap .principle-card .pname { font-size: 14px; font-weight: 700; color: var(--white); margin: 8px 0; }
.ref-arch-wrap .principle-card .pdesc { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* Health Grid */
.ref-arch-wrap .health-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-top: 12px;
}

.ref-arch-wrap .health-card {
    padding: 14px 8px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(16, 185, 129, 0.15);
    background: var(--surface);
    transition: all var(--transition);
}

.ref-arch-wrap .health-card:hover { border-color: rgba(16, 185, 129, 0.3); background: var(--bg-card-hover); }
.ref-arch-wrap .health-card .hlvl { font-size: 22px; font-weight: 800; color: var(--green); }
.ref-arch-wrap .health-card .hlbl { font-size: 12px; font-weight: 700; color: var(--green-light); margin-top: 2px; }
.ref-arch-wrap .health-card .hmet { font-size: 12px; color: var(--text-dim); margin-top: 6px; line-height: 1.5; }

/* Self-Healing Flow */
.ref-arch-wrap .heal-flow {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.ref-arch-wrap .heal-step {
    padding: 14px 16px;
    border-radius: var(--radius);
    text-align: center;
    min-width: 100px;
    border: 1px solid rgba(245, 158, 11, 0.2);
    background: rgba(245, 158, 11, 0.04);
    transition: all var(--transition);
    flex: 1;
}

.ref-arch-wrap .heal-step:hover { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.4); transform: translateY(-2px); }
.ref-arch-wrap .heal-step .hicon { font-size: 22px; display: block; margin-bottom: 6px; }
.ref-arch-wrap .heal-step .htxt { font-size: 12px; font-weight: 700; color: var(--orange-light); }
.ref-arch-wrap .heal-step .hsub { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.ref-arch-wrap .heal-step.learn-step { border-color: rgba(168, 85, 247, 0.2); background: rgba(168, 85, 247, 0.04); }
.ref-arch-wrap .heal-step.learn-step:hover { background: rgba(168, 85, 247, 0.1); border-color: rgba(168, 85, 247, 0.4); }
.ref-arch-wrap .heal-step.learn-step .htxt { color: var(--purple-light); }
.ref-arch-wrap .heal-arr { color: rgba(251, 191, 36, 0.45); font-size: 16px; }

/* Playbooks */
.ref-arch-wrap .pb-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-top: 12px;
}

.ref-arch-wrap .pb {
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(245, 158, 11, 0.1);
    background: var(--surface);
    transition: all var(--transition);
}

.ref-arch-wrap .pb:hover { border-color: rgba(245, 158, 11, 0.25); background: var(--bg-card-hover); }
.ref-arch-wrap .pb .pb-id { font-size: 12px; font-weight: 800; color: var(--orange); }
.ref-arch-wrap .pb .pb-nm { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* Status Chips */
.ref-arch-wrap .status-row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

.ref-arch-wrap .status-chip {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid;
}

.ref-arch-wrap .sc-healthy { background: rgba(16, 185, 129, 0.08); color: var(--green-light); border-color: rgba(16, 185, 129, 0.2); }
.ref-arch-wrap .sc-degraded { background: rgba(245, 158, 11, 0.08); color: var(--orange-light); border-color: rgba(245, 158, 11, 0.2); }
.ref-arch-wrap .sc-unhealthy { background: rgba(239, 68, 68, 0.08); color: #fecaca; border-color: rgba(239, 68, 68, 0.2); }
.ref-arch-wrap .sc-critical { background: rgba(239, 68, 68, 0.12); color: var(--red-light); border-color: rgba(239, 68, 68, 0.3); }

/* GitHub Labels */
.ref-arch-wrap .gh-labels { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.ref-arch-wrap .ghl {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.ref-arch-wrap .ghl-p1 { background: rgba(239, 68, 68, 0.15); color: var(--red-light); }
.ref-arch-wrap .ghl-p2 { background: rgba(245, 158, 11, 0.15); color: var(--orange-light); }
.ref-arch-wrap .ghl-p3 { background: rgba(234, 179, 8, 0.15); color: #fde047; }
.ref-arch-wrap .ghl-p4 { background: rgba(16, 185, 129, 0.15); color: var(--green-light); }
.ref-arch-wrap .ghl-type { background: rgba(99, 102, 241, 0.15); color: var(--primary-light); }
.ref-arch-wrap .ghl-status { background: rgba(168, 85, 247, 0.15); color: var(--purple-light); }
.ref-arch-wrap .ghl-group { background: rgba(6, 182, 212, 0.15); color: var(--accent-light); }

/* Scope Cards */
.ref-arch-wrap .scope-card {
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid;
    margin-bottom: 8px;
    transition: all var(--transition);
}

.ref-arch-wrap .scope-card:hover { transform: translateX(4px); }
.ref-arch-wrap .scope-card .sc-name { font-size: 12px; font-weight: 700; }
.ref-arch-wrap .scope-card .sc-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.ref-arch-wrap .sk-global { border-color: rgba(239, 68, 68, 0.2); background: rgba(239, 68, 68, 0.04); }
.ref-arch-wrap .sk-global .sc-name { color: var(--red-light); }
.ref-arch-wrap .sk-tenant { border-color: rgba(245, 158, 11, 0.2); background: rgba(245, 158, 11, 0.04); }
.ref-arch-wrap .sk-tenant .sc-name { color: var(--orange-light); }
.ref-arch-wrap .sk-user { border-color: rgba(99, 102, 241, 0.2); background: rgba(99, 102, 241, 0.04); }
.ref-arch-wrap .sk-user .sc-name { color: var(--primary-light); }
.ref-arch-wrap .sk-session { border-color: rgba(16, 185, 129, 0.2); background: rgba(16, 185, 129, 0.04); }
.ref-arch-wrap .sk-session .sc-name { color: var(--green-light); }

/* Type Cards */
.ref-arch-wrap .type-card {
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    margin-bottom: 6px;
    transition: all var(--transition);
}

.ref-arch-wrap .type-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }
.ref-arch-wrap .type-card .tc-name { font-size: 13px; font-weight: 700; }
.ref-arch-wrap .type-card .tc-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* Escalation */
.ref-arch-wrap .esc-row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

.ref-arch-wrap .esc-card {
    flex: 1;
    min-width: 180px;
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 12px;
    border: 1px solid;
}

.ref-arch-wrap .esc-card strong { display: block; font-size: 13px; margin-bottom: 2px; }
.ref-arch-wrap .es-1 { border-color: rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.06); color: #fecaca; }
.ref-arch-wrap .es-1 strong { color: var(--red-light); }
.ref-arch-wrap .es-2 { border-color: rgba(245, 158, 11, 0.3); background: rgba(245, 158, 11, 0.06); color: #fef3c7; }
.ref-arch-wrap .es-2 strong { color: var(--orange-light); }
.ref-arch-wrap .es-3 { border-color: rgba(234, 179, 8, 0.3); background: rgba(234, 179, 8, 0.06); color: #fef9c3; }
.ref-arch-wrap .es-3 strong { color: #fde047; }
.ref-arch-wrap .es-4 { border-color: rgba(16, 185, 129, 0.3); background: rgba(16, 185, 129, 0.06); color: #d1fae5; }
.ref-arch-wrap .es-4 strong { color: var(--green-light); }

/* Rollout */
.ref-arch-wrap .rollout { display: flex; gap: 6px; flex-wrap: wrap; }

.ref-arch-wrap .phase {
    flex: 1;
    min-width: 130px;
    padding: 16px 12px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(99, 102, 241, 0.12);
    background: var(--surface);
    transition: all var(--transition);
}

.ref-arch-wrap .phase:hover { border-color: rgba(99, 102, 241, 0.3); transform: translateY(-2px); }
.ref-arch-wrap .phase .ph-num { font-size: 22px; font-weight: 900; color: var(--primary-light); }
.ref-arch-wrap .phase .ph-weeks { font-size: 12px; font-weight: 600; color: var(--accent); margin-top: 2px; }
.ref-arch-wrap .phase .ph-desc { font-size: 12px; color: var(--text-dim); margin-top: 6px; line-height: 1.5; }
.ref-arch-wrap .phase.ga { border-color: rgba(16, 185, 129, 0.25); background: rgba(16, 185, 129, 0.04); }
.ref-arch-wrap .phase.ga .ph-num { color: var(--green); }
.ref-arch-wrap .phase.ga .ph-weeks { color: var(--green-light); }

/* Danger Note */
.ref-arch-wrap .danger-note {
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.12);
    font-size: 12px;
    color: #fecaca;
}

/* Subtle Helpers */
.ref-arch-wrap .sub-label { font-size: 12px; color: var(--text-dim); margin-bottom: 8px; }
.ref-arch-wrap .sub-label-g { font-size: 13px; font-weight: 700; color: var(--green); margin-top: 16px; margin-bottom: 8px; }
.ref-arch-wrap .sub-label-o { font-size: 13px; font-weight: 700; color: var(--orange); margin-top: 16px; margin-bottom: 8px; }
.ref-arch-wrap .sub-label-p { font-size: 13px; font-weight: 700; color: var(--purple-light); margin-top: 16px; margin-bottom: 8px; }
.ref-arch-wrap .dim-row { display: flex; justify-content: space-between; margin-top: 12px; font-size: 12px; color: var(--text-dim); flex-wrap: wrap; gap: 8px; }

/* Divider */
.ref-arch-wrap .divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    margin: 40px 0;
    opacity: 0.3;
}

/* Architecture Document Footer */
.ref-arch-wrap .arch-doc-footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-dim);
    font-size: 12px;
    line-height: 1.8;
}

.ref-arch-wrap .arch-doc-footer .ft-brand {
    font-size: 14px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* MIT License Block */
.ref-arch-wrap .license-block {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 40px 20px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-dim);
    line-height: 1.8;
}

/* ========================================
   Federal LLM Architecture — Tier Cards & Components
   ======================================== */

/* Traffic Distribution Bar */
.ref-arch-wrap .fed-traffic-bar {
    display: flex;
    height: 48px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.ref-arch-wrap .fed-ts {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.ref-arch-wrap .fed-ts:hover { filter: brightness(1.2); }

.ref-arch-wrap .fed-ts-onprem {
    width: 85%;
    background: linear-gradient(90deg, #1e3a5f 0%, #264a6f 100%);
}

.ref-arch-wrap .fed-ts-cloud {
    width: 15%;
    background: linear-gradient(90deg, #3b1764 0%, #4c1d95 100%);
}

.ref-arch-wrap .fed-ts-pct {
    font-size: 18px;
    font-weight: 800;
    color: var(--white, #fff);
}

.ref-arch-wrap .fed-ts-lbl {
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
}

.ref-arch-wrap .fed-traffic-legend {
    display: flex;
    gap: 32px;
    margin-top: 12px;
    margin-bottom: 32px;
}

.ref-arch-wrap .fed-tl-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.ref-arch-wrap .fed-tl-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

/* Tier Cards */
.ref-arch-wrap .fed-tier {
    position: relative;
    overflow: hidden;
    padding-top: 32px;
}

.ref-arch-wrap .fed-tier-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.ref-arch-wrap .fed-tier-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.ref-arch-wrap .fed-tier-title-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ref-arch-wrap .fed-tier-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    border: 1px solid;
}

.ref-arch-wrap .fed-tier-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--white, #f0f0f3);
    letter-spacing: -0.3px;
}

.ref-arch-wrap .fed-tier-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
    font-family: 'Courier New', monospace;
}

.ref-arch-wrap .fed-tier-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 20px;
    letter-spacing: 1px;
    white-space: nowrap;
    border: 1px solid;
}

/* Spec Rows */
.ref-arch-wrap .fed-specs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ref-arch-wrap .fed-spec {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.ref-arch-wrap .fed-spec-k {
    font-family: 'Courier New', monospace;
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    min-width: 80px;
    flex-shrink: 0;
}

.ref-arch-wrap .fed-spec-v {
    color: var(--white, #f0f0f3);
    font-weight: 500;
}

.ref-arch-wrap .fed-model-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

/* Classification Bar */
.ref-arch-wrap .fed-class-bar {
    display: flex;
    gap: 2px;
    border-radius: 8px;
    overflow: hidden;
    height: 40px;
}

.ref-arch-wrap .fed-cl {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.ref-arch-wrap .fed-cl:hover { filter: brightness(1.3); }
.ref-arch-wrap .fed-cl-unclass { background: rgba(16,185,129,0.15); color: var(--green-light); }
.ref-arch-wrap .fed-cl-secret { background: rgba(245,158,11,0.15); color: var(--orange-light); }
.ref-arch-wrap .fed-cl-ts { background: rgba(239,68,68,0.15); color: var(--red-light); }

/* Advantages Grid */
.ref-arch-wrap .fed-advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 14px;
}

/* Hardware Table */
.ref-arch-wrap .fed-hw-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.ref-arch-wrap .fed-hw-table thead th {
    background: rgba(255,255,255,0.03);
    font-family: 'Courier New', monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.ref-arch-wrap .fed-hw-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    vertical-align: top;
}

.ref-arch-wrap .fed-hw-table tbody tr:last-child td { border-bottom: none; }
.ref-arch-wrap .fed-hw-table tbody tr:hover { background: rgba(255,255,255,0.02); }

.ref-arch-wrap .fed-hw-table tbody td strong {
    color: var(--white, #f0f0f3);
    font-weight: 600;
}

.ref-arch-wrap .fed-hw-sub {
    display: block;
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 2px;
}

.ref-arch-wrap .fed-hw-rec {
    background: rgba(6,182,212,0.04);
    border-left: 3px solid var(--accent);
}

.ref-arch-wrap .fed-hw-rec td { color: var(--white, #f0f0f3); }

.ref-arch-wrap .fed-hw-badge {
    display: inline-block;
    font-family: 'Courier New', monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-light);
    background: rgba(6,182,212,0.1);
    border: 1px solid rgba(6,182,212,0.2);
    padding: 2px 8px;
    border-radius: 3px;
    margin-left: 8px;
}

/* Callout Boxes */
.ref-arch-wrap .fed-callout {
    margin-top: 24px;
    padding: 24px 32px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 20px;
}

.ref-arch-wrap .fed-callout-cost {
    background: linear-gradient(135deg, rgba(16,185,129,0.05), rgba(6,182,212,0.03));
    border: 1px solid rgba(16,185,129,0.15);
}

.ref-arch-wrap .fed-callout-icon { font-size: 28px; flex-shrink: 0; }
.ref-arch-wrap .fed-callout-text { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* Bottom Line */
.ref-arch-wrap .fed-bottom-line {
    margin-top: 24px;
    padding: 28px 32px;
    background: linear-gradient(135deg, rgba(6,182,212,0.06), rgba(16,185,129,0.04));
    border: 1px solid rgba(6,182,212,0.2);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-lg);
    position: relative;
}

.ref-arch-wrap .fed-bl-label {
    position: absolute;
    top: -10px;
    left: 24px;
    font-family: 'Courier New', monospace;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-light);
    background: var(--bg);
    padding: 0 8px;
}

.ref-arch-wrap .fed-bl-text {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.7;
    color: var(--white, #f0f0f3);
}

/* Contingency Warning */
.ref-arch-wrap .fed-contingency {
    margin-top: 24px;
    padding: 24px 32px;
    background: linear-gradient(135deg, rgba(239,68,68,0.04), rgba(245,158,11,0.03));
    border: 1px solid rgba(239,68,68,0.12);
    border-radius: var(--radius-lg);
}

.ref-arch-wrap .fed-contingency-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.ref-arch-wrap .fed-contingency-head span {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--red-light);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1100px) {
    .ref-arch-wrap .agent-grid { grid-template-columns: repeat(5, 1fr); }
    .ref-arch-wrap .two-col { grid-template-columns: 1fr; }
    .ref-arch-wrap .three-col { grid-template-columns: 1fr 1fr; }
    .ref-arch-wrap .health-grid { grid-template-columns: repeat(3, 1fr); }
    .ref-arch-wrap .pb-grid { grid-template-columns: repeat(2, 1fr); }
    .ref-arch-wrap .principles { grid-template-columns: 1fr; }
    .ref-arch-wrap .fed-advantages { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
    .ref-arch-wrap { padding: 0 16px 40px; }
    .ref-arch-wrap .agent-grid { grid-template-columns: repeat(2, 1fr); }
    .ref-arch-wrap .heal-flow { flex-direction: column; }
    .ref-arch-wrap .heal-arr { transform: rotate(90deg); text-align: center; width: 100%; }
    .ref-arch-wrap .rollout { flex-direction: column; }
    .ref-arch-wrap .esc-row { flex-direction: column; }
    .ref-arch-header h2 { font-size: 26px; }
    .ref-arch-wrap .fed-tier-head { flex-direction: column; }
    .ref-arch-wrap .fed-traffic-legend { flex-direction: column; gap: 8px; }
    .ref-arch-wrap .fed-advantages { grid-template-columns: 1fr; }
    .ref-arch-wrap .fed-callout { flex-direction: column; text-align: center; }
    .ref-arch-wrap .fed-hw-table { font-size: 12px; }
    .ref-arch-wrap .fed-hw-table thead th { padding: 10px 8px; font-size: 9px; }
    .ref-arch-wrap .fed-hw-table tbody td { padding: 10px 8px; }
    .ref-arch-wrap .fed-bl-text { font-size: 14px; }
}