/* Explain: Styles for the terminal UI, defining colors, layout, responsiveness, and print media. */
.bf-terminal {
    --color-base-100: var(--terminal-panel);
    --color-base-200: var(--terminal-input);
    --color-base-300: var(--terminal-border);
    --color-base-content: var(--terminal-text);
    --color-primary: var(--terminal-cyan);
    --color-primary-content: var(--terminal-bg);
    min-height: 100vh;
    background: var(--terminal-bg);
    color: var(--terminal-text);
    font-family: var(--font-body);
    padding-bottom: 2rem;
}
.bf-terminal [hidden] { display: none !important; }
.bf-wrap { width: min(100% - 2rem, 1440px); margin-inline: auto; }
.bf-section { padding-block: 1rem; scroll-margin-top: 6rem; contain: content; }
.bf-hero { padding-block: 2.5rem 1.5rem; }
.bf-terminal h1, .bf-terminal h2, .bf-terminal h3 { color: var(--terminal-text); }
.bf-terminal h1 { font-size: clamp(1.7rem, 4vw, 3rem); line-height: 1.15; font-weight: 800; }
.bf-terminal h2 { font-size: 1.25rem; font-weight: 750; }
.bf-terminal h3 { font-size: 1rem; font-weight: 700; }
.bf-muted { color: var(--terminal-muted); font-size: .85rem; line-height: 1.7; }
.bf-eyebrow { color: var(--terminal-cyan); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 800; }
.bf-card { border: 1px solid var(--terminal-border); background: var(--terminal-panel); border-radius: 1.25rem; padding: clamp(1rem, 2.2vw, 1.75rem); min-width: 0; }
.bf-terminal .btn { min-height: 44px; height: auto; white-space: normal; padding-block: .65rem; cursor: pointer; border-color: var(--terminal-border); box-shadow: none; }
.bf-terminal .btn:disabled { cursor: not-allowed; opacity: .45; }
.bf-action { background: var(--terminal-cyan); color: var(--terminal-bg); font-weight: 800; }
.bf-terminal .input, .bf-terminal .select, .bf-terminal .textarea {
    background: var(--terminal-input);
    color: var(--terminal-text);
    border: 1px solid var(--terminal-border);
    width: 100%;
    min-width: 0;
    min-height: 44px;
}
.bf-terminal label { color: var(--terminal-muted); font-size: .75rem; font-weight: 650; }
.bf-terminal .fieldset { gap: .5rem; min-width: 0; }
.bf-terminal :focus-visible { outline: 2px solid var(--terminal-cyan); outline-offset: 3px; }
.bf-tabs { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: .6rem; }
.bf-tabs .btn[aria-selected="true"] { color: var(--terminal-cyan); border-color: var(--terminal-cyan); background: var(--terminal-input); }
.bf-status { border: 1px solid var(--terminal-border); border-left: 3px solid var(--terminal-cyan); padding: .8rem 1rem; border-radius: .8rem; color: var(--terminal-muted); font-size: .8rem; overflow-wrap: anywhere; }
.bf-status[data-error="true"] { border-left-color: var(--terminal-red); color: var(--terminal-red); }
.bf-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 145px), 1fr)); gap: .7rem; }
.bf-metric { padding: 1rem; border-radius: .85rem; background: var(--terminal-input); border: 1px solid var(--terminal-border); min-width: 0; }
.bf-metric small { display: block; color: var(--terminal-muted); font-size: .66rem; letter-spacing: .03em; margin-bottom: .5rem; }
.bf-metric strong { font-size: clamp(1rem, 1.7vw, 1.35rem); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.bf-chart { position: relative; height: 380px; width: 100%; min-width: 0; resize: vertical; overflow: hidden; min-height: 200px; contain: content; }
.bf-volume { position: relative; height: 130px; width: 100%; resize: vertical; overflow: hidden; min-height: 80px; contain: content; }
.bf-chart-small { position: relative; height: 270px; width: 100%; resize: vertical; overflow: hidden; min-height: 150px; contain: content; }
.bf-notice { border: 1px solid var(--terminal-warning); background: var(--terminal-input); color: var(--terminal-warning); padding: .85rem 1rem; border-radius: .8rem; font-size: .8rem; line-height: 1.65; }
.bf-good { color: var(--terminal-green); }
.bf-bad { color: var(--terminal-red); }
.bf-cyan { color: var(--terminal-cyan); }
.bf-terminal .table { font-size: .78rem; white-space: nowrap; }
.bf-terminal .table th { color: var(--terminal-muted); }
.bf-terminal .table td, .bf-terminal .table th { border-color: var(--terminal-border); }
.bf-scroll { max-height: 380px; overflow: auto; }
.bf-terminal .collapse { background: var(--terminal-input); border: 1px solid var(--terminal-border); }
.bf-terminal .collapse-title { font-size: .85rem; font-weight: 700; }
.bf-terminal .modal-box { background: var(--terminal-panel); color: var(--terminal-text); border: 1px solid var(--terminal-border); max-height: 90dvh; }
.bf-dot { display: inline-block; width: .5rem; height: .5rem; border-radius: 50%; background: var(--terminal-cyan); animation: bf-pulse 2s ease-in-out infinite; }
.bf-help { color: var(--terminal-cyan); }
.bf-terminal code { overflow-wrap: anywhere; color: var(--terminal-cyan); }
.bf-terminal video { background: var(--terminal-input); border-radius: 1rem; width: 100%; }

/* Fullscreen Mode Optimizations */
.bf-terminal.is-fullscreen { overflow-y: auto !important; }
.bf-terminal.is-fullscreen .bf-hero-text,
.bf-terminal.is-fullscreen .bf-hero-visuals { display: none !important; }
.bf-terminal.is-fullscreen .bf-hero { padding-block: 1rem 0; }
.bf-terminal.is-fullscreen .bf-hero-grid { grid-template-columns: 1fr; gap: 0; }
.bf-terminal.is-fullscreen .bf-chart { height: calc(100vh - 360px); min-height: 400px; }
.bf-terminal.is-fullscreen .bf-volume { height: 180px; }
.bf-terminal.is-fullscreen .bf-chart-small { height: calc(100vh - 400px); min-height: 350px; }

@keyframes bf-pulse { 50% { opacity: .3; } }
@media (max-width: 639px) {
    .bf-terminal input, .bf-terminal select, .bf-terminal textarea { font-size: 16px !important; }
    .bf-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bf-tabs .btn { min-height: 54px; font-size: 0.8rem; flex-direction: column; gap: 0.3rem; padding-block: 0.5rem; }
    .bf-tabs .btn i { font-size: 1.1rem; }
    .bf-chart { height: 50vh; min-height: 320px; }
    .bf-volume { height: 120px; }
    .bf-chart-small { height: 240px; }
    .bf-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
    .bf-metric { padding: 0.85rem; }
    .bf-metric strong { font-size: 1.45rem !important; }
    .bf-metric small { font-size: 0.75rem; }
    .bf-card { padding: 1rem; border-radius: 1rem; }
    .bf-terminal h1 { font-size: 1.5rem; }
    .bf-terminal .table { font-size: 0.95rem !important; }
    .bf-terminal .table th, .bf-terminal .table td { padding: 0.85rem 0.5rem !important; }
    .bf-scroll { max-height: 50vh; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}
@media (prefers-reduced-motion: reduce) {
    .bf-terminal *, .bf-terminal *::before { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
    body > header, .bf-terminal button, .bf-terminal input, .bf-terminal select, .bf-terminal video, #bf-help-dialog, .bf-tabs { display: none !important; }
    .bf-terminal { print-color-adjust: exact; }
    .bf-card { break-inside: avoid; page-break-inside: avoid; margin-bottom: 1.5rem; }
    .bf-section { padding-block: 0; }
    @page { margin: 1cm; }
}