/* fcc-fiber-optics — site-specific Field Bulletin layer. * * Per-site accent: cerulean — the color of a laser propagating through * a fiber strand and the sea-floor where transcontinental cables actually * live. Distinct from compass survey-blue (lighter, more navy) and * electricity electric-cyan (brighter, more teal). */ /* !important required because /shared/fcc-theme-boot.js writes --accent as inline-style on , beating stylesheet specificity. */ :root, html[data-mode="dark"] { --accent: #0ea5e9 !important; --accent-2: #38bdf8 !important; --accent-wash: color-mix(in srgb, #0ea5e9 12%, transparent) !important; --accent-ink: #0a0b0d !important; } html[data-mode="light"] { --accent: #0369a1 !important; --accent-2: #075985 !important; --accent-wash: color-mix(in srgb, #0369a1 8%, transparent) !important; --accent-ink: #ffffff !important; } /* ── Hero — TIR Simulator ───────────────────────────────────── */ .hero-card { padding: 1.75rem 1.5rem 1.5rem; } .tir-lab { display: flex; flex-direction: column; gap: 0.85rem; } .tir-canvas { width: 100%; height: 360px; display: block; background: var(--bg); border-top: 1px solid var(--border); } .tir-readouts { display: grid; gap: 0.5rem; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); } .readout { display: flex; padding: 0.6rem 0.85rem; background: var(--panel-2); border-top: 1px solid var(--border); font: 500 0.9rem var(--mono); color: var(--accent); font-feature-settings: "tnum" 1, "zero" 1; letter-spacing: -0.01em; } .tir-controls { display: flex; flex-direction: column; gap: 0.75rem; } .tir-sliders { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } /* ── Critical Angle ─────────────────────────────────────────── */ .critical-layout { display: flex; flex-direction: column; gap: 0.85rem; } .critical-inputs { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); } .critical-diagram { width: 100%; height: 280px; display: block; background: var(--bg); border-top: 1px solid var(--border); } .critical-results { display: grid; gap: 0.5rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); } .critical-result { padding: 0.7rem 0.9rem; background: var(--panel-2); border-top: 1px solid var(--border); } .critical-result-label { display: block; font: 500 0.66rem/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3, var(--dim)); margin-bottom: 0.35rem; } .critical-result-value { display: block; font: 500 1rem var(--mono); color: var(--accent); font-feature-settings: "tnum" 1, "zero" 1; } /* ── Bandwidth Calculator ───────────────────────────────────── */ .bandwidth-layout { display: flex; flex-direction: column; gap: 0.85rem; } .bandwidth-inputs { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } .bandwidth-results { display: grid; gap: 0.5rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); } .bandwidth-result { padding: 0.7rem 0.9rem; background: var(--panel-2); border-top: 1px solid var(--border); } .bandwidth-result-label { display: block; font: 500 0.66rem/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3, var(--dim)); margin-bottom: 0.35rem; } .bandwidth-result-value { display: block; font: 500 1rem var(--mono); color: var(--accent); font-feature-settings: "tnum" 1, "zero" 1; } /* ── Submarine Cables ───────────────────────────────────────── */ .submarine-layout { display: flex; flex-direction: column; gap: 0.85rem; } .submarine-fact { margin: 0; padding: 0.85rem 1rem; background: var(--bg); border-top: 1px solid var(--accent); font-family: var(--serif); font-style: italic; font-size: 0.95rem; color: var(--ink-2, var(--text)); line-height: 1.55; } .submarine-sort { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; } .submarine-sort-label { font: 500 0.66rem/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-3, var(--dim)); margin-right: 0.3rem; } .submarine-sort-btn { font: 500 0.74rem/1 var(--mono) !important; padding: 0.4rem 0.75rem !important; } .submarine-sort-btn.active { color: var(--accent) !important; border-color: var(--accent) !important; background: var(--accent-wash) !important; } .submarine-list { display: grid; gap: 0.5rem; grid-template-columns: 1fr; } .submarine-cable { padding: 0.75rem 1rem; background: var(--panel-2); border-top: 1px solid var(--border); display: grid; gap: 0.4rem; grid-template-columns: 90px 1fr 140px 120px; align-items: baseline; } @media (max-width: 720px) { .submarine-cable { grid-template-columns: 1fr; gap: 0.25rem; } } .submarine-year { font: 700 1.05rem var(--mono); color: var(--accent); font-feature-settings: "tnum" 1; letter-spacing: -0.01em; } .submarine-name { font: 600 0.95rem var(--serif); color: var(--text); } .submarine-route { font: 500 0.82rem var(--mono); color: var(--ink-3, var(--dim)); } .submarine-capacity { font: 500 0.85rem var(--mono); color: var(--ink-2, var(--text)); font-feature-settings: "tnum" 1; text-align: right; } @media (max-width: 720px) { .submarine-capacity { text-align: left; } } @media (max-width: 720px) { .tir-canvas { height: 280px; } .critical-diagram { height: 220px; } } @media (max-width: 480px) { .tir-canvas { height: 220px; } }