/* TrailSmart v1.4 — Styles */
:root {
    --bg-primary: #0f1114;
    --bg-secondary: #181b20;
    --bg-card: #1e2228;
    --bg-input: #252a31;
    --bg-hover: #2a3038;
    --text-primary: #e8eaed;
    --text-secondary: #b8bec6;
    --text-muted: #7d858e;
    --text-label: #c8cdd3;
    --amber: #f0a500;
    --amber-dim: #c78800;
    --amber-glow: rgba(240,165,0,.15);
    --green: #34d399;
    --green-dim: #059669;
    --red: #f87171;
    --red-dim: #b91c1c;
    --blue: #60a5fa;
    --border: #2e343c;
    --border-focus: #f0a500;
    --font-display: 'Barlow Condensed', sans-serif;
    --font-body: 'Source Sans 3', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --radius: 6px;
    --radius-lg: 10px;
    --transition: .2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* TOP BAR */
.top-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.top-bar-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 56px;
}
.logo { display: flex; align-items: center; gap: .5rem; }
.logo-icon { font-size: 1.4rem; color: var(--amber); }
.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: .04em;
}
.top-nav { display: flex; gap: .25rem; }
.nav-btn {
    font-family: var(--font-display);
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .03em;
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: .4rem 1rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}
.nav-btn:hover:not(:disabled) {
    color: var(--text-primary);
    background: var(--bg-hover);
    border-color: var(--border);
}
.nav-btn.active {
    color: var(--amber);
    background: var(--amber-glow);
    border-color: rgba(240,165,0,.25);
}
.nav-btn:disabled { opacity: .35; cursor: default; }

.top-actions { display: flex; gap: .5rem; }
.btn-icon {
    font-family: var(--font-mono);
    font-size: .75rem;
    font-weight: 500;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: .35rem .75rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}
.btn-icon:hover {
    border-color: var(--amber-dim);
    color: var(--amber);
    background: var(--amber-glow);
}

/* MAIN */
.app-main {
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}
.module-panel.hidden { display: none; }

/* CALC SUB-TABS */
.calc-subtabs {
    display: flex;
    gap: .4rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: .75rem;
}
.subtab {
    font-family: var(--font-display);
    font-size: .92rem;
    font-weight: 600;
    letter-spacing: .03em;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-label);
    padding: .5rem 1.2rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}
.subtab:hover {
    color: var(--amber);
    background: var(--amber-glow);
    border-color: var(--amber-dim);
}
.subtab.active {
    color: var(--amber);
    background: var(--amber-glow);
    border-color: var(--amber);
}
.calc-panel.hidden { display: none; }

/* STEPPER */
.stepper { margin-bottom: 2rem; }
.step-track {
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    margin-bottom: .75rem;
}
.step-fill {
    height: 100%;
    background: var(--amber);
    border-radius: 2px;
    transition: width .4s ease;
    width: 0%;
    box-shadow: 0 0 8px var(--amber-glow);
}
.step-labels { display: flex; justify-content: space-between; }
.step-label {
    font-family: var(--font-mono);
    font-size: .74rem;
    font-weight: 600;
    background: none;
    border: 1px solid transparent;
    color: var(--text-label);
    cursor: pointer;
    padding: .3rem .5rem;
    border-radius: var(--radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: .35rem;
}
.step-label:hover {
    color: var(--amber);
    background: var(--amber-glow);
    border-color: var(--amber-dim);
}
.step-label.active {
    color: var(--amber);
    border-color: var(--amber);
    background: var(--amber-glow);
}
.step-label.completed {
    color: var(--green);
    border-color: var(--green-dim);
    background: rgba(52,211,153,.08);
}
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid currentColor;
    font-size: .65rem;
    font-weight: 700;
}
.step-label.active .step-num {
    background: var(--amber);
    color: var(--bg-primary);
    border-color: var(--amber);
}
.step-label.completed .step-num {
    background: var(--green-dim);
    color: #fff;
    border-color: var(--green-dim);
}

/* CALC STEPS */
.calc-step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    animation: fadeIn .3s ease;
}
.calc-step.hidden { display: none; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.step-header { margin-bottom: 1.5rem; }
.step-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: .02em;
}
.step-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.step-desc {
    font-size: .9rem;
    color: var(--text-secondary);
    margin-top: .35rem;
}
.step-body.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

/* RECOMMEND BUTTON */
.btn-recommend {
    font-family: var(--font-mono);
    font-size: .74rem;
    font-weight: 600;
    background: var(--amber-glow);
    border: 1px solid var(--amber-dim);
    color: var(--amber);
    padding: .4rem .9rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-recommend:hover {
    background: var(--amber);
    color: var(--bg-primary);
}

/* FORM LABELS */
.input-group { display: flex; flex-direction: column; gap: .6rem; }
.input-group label {
    font-family: var(--font-mono);
    font-size: .78rem;
    font-weight: 600;
    color: var(--text-label);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-top: .5rem;
}
.input-group label:first-child { margin-top: 0; }

/* INPUTS */
input[type="number"],
input[type="text"],
select {
    font-family: var(--font-body);
    font-size: .95rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: .6rem .75rem;
    border-radius: var(--radius);
    transition: var(--transition);
    outline: none;
    width: 100%;
}
input:focus,
select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px var(--amber-glow);
}
input::placeholder { color: var(--text-muted); }

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--amber);
    border: 2px solid var(--bg-card);
    cursor: pointer;
    box-shadow: 0 0 6px rgba(240,165,0,.4);
}

.grade-ref {
    display: flex;
    justify-content: space-between;
    font-size: .72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.computed-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .6rem .75rem;
    background: var(--bg-input);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-top: .25rem;
}
.computed-row span:first-child {
    font-family: var(--font-mono);
    font-size: .75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .05em;
}
.computed-val {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--amber);
}

/* RESULT BOXES */
.result-box {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-top: .5rem;
}
.result-label {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--text-muted);
    margin-bottom: .3rem;
}
.result-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--amber);
    line-height: 1.2;
}
.result-formula {
    font-family: var(--font-mono);
    font-size: .75rem;
    color: var(--text-muted);
    margin-top: .4rem;
}
.result-detail {
    font-size: .88rem;
    color: var(--text-secondary);
    margin-top: .4rem;
    line-height: 1.5;
}

/* EMPTY STATE */
.empty-state {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: .95rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
    margin-top: 1rem;
}
.empty-state strong { color: var(--amber); }

/* CONFIG TABLE */
.config-table-wrap { overflow-x: auto; }
.config-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
}
.config-table th {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    text-align: left;
    padding: .6rem .75rem;
    border-bottom: 1px solid var(--border);
}
.config-table td {
    padding: .7rem .75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.config-table tr.recommended { background: var(--amber-glow); }
.config-table tr.selected {
    outline: 2px solid var(--blue);
    background: rgba(96,165,250,.08);
}
.status-pass { color: var(--green); font-weight: 600; }
.status-fail { color: var(--red); font-weight: 600; }
.status-warn { color: var(--amber); font-weight: 600; }

.btn-select-config {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    padding: .3rem .6rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text-label);
    cursor: pointer;
    transition: var(--transition);
}
.btn-select-config:hover {
    border-color: var(--amber);
    color: var(--amber);
    background: var(--amber-glow);
}
.btn-select-config.active {
    background: var(--amber);
    color: var(--bg-primary);
    border-color: var(--amber);
}

/* ANALYSIS TABLE */
.analysis-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
}
.analysis-table th {
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    text-align: left;
    padding: .6rem .75rem;
    border-bottom: 1px solid var(--border);
}
.analysis-table td {
    padding: .7rem .75rem;
    border-bottom: 1px solid var(--border);
}

/* HARDWARE */
.hw-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.hw-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
}
.hw-item-label {
    font-family: var(--font-mono);
    font-size: .74rem;
    font-weight: 600;
    color: var(--text-label);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: .5rem;
}
.hw-item-required {
    font-size: .82rem;
    color: var(--text-secondary);
    margin-bottom: .5rem;
}
.hw-item-required strong { color: var(--amber); }

/* DIAGRAM */
.diagram-wrap {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    justify-content: center;
    min-height: 350px;
    margin-bottom: 1.5rem;
    overflow-x: auto;
}
.diagram-wrap svg { max-width: 100%; height: auto; }

.instructions-wrap {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.instructions-wrap h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.instruction-step {
    display: flex;
    gap: .75rem;
    padding: .6rem 0;
    border-bottom: 1px solid var(--border);
    font-size: .88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.instruction-step:last-child { border-bottom: none; }
.instruction-num {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: .75rem;
    color: var(--amber);
    min-width: 24px;
    text-align: right;
    padding-top: 2px;
}
.instruction-step.warning {
    color: var(--amber);
    font-weight: 600;
}

/* BUTTONS */
.step-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.btn-primary {
    font-family: var(--font-display);
    font-size: .95rem;
    font-weight: 700;
    letter-spacing: .03em;
    background: var(--amber);
    color: var(--bg-primary);
    border: none;
    padding: .65rem 1.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary:hover { background: var(--amber-dim); }

.btn-secondary {
    font-family: var(--font-display);
    font-size: .95rem;
    font-weight: 600;
    background: none;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: .65rem 1.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}
.btn-secondary:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
}
.btn-sm {
    font-size: .82rem;
    padding: .4rem 1rem;
}

/* SCENARIOS — NEW TWO-PANE LAYOUT */
.scenario-layout {
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
    min-height: 720px;
}

.scenario-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: sticky;
    top: 76px;
    max-height: calc(100vh - 110px);
}

.scenario-sidebar-head {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, var(--bg-card), var(--bg-secondary));
}

.scenario-sidebar-head h1 {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: .25rem;
}

.scenario-sidebar-scroll {
    padding: 1rem;
    overflow-y: auto;
    max-height: calc(100vh - 220px);
}

.scenario-group { margin-bottom: 1.25rem; }
.scenario-group:last-child { margin-bottom: 0; }

.scenario-group-title {
    font-family: var(--font-mono);
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: .7rem;
    padding-bottom: .45rem;
    border-bottom: 1px solid var(--border);
}

.scenario-list {
    display: flex;
    flex-direction: column;
    gap: .65rem;
}

.scenario-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1rem .95rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}
.scenario-card:hover {
    border-color: var(--amber-dim);
    background: var(--bg-hover);
    transform: translateY(-1px);
}
.scenario-card.active {
    border-color: var(--amber);
    background: var(--amber-glow);
    box-shadow: 0 0 0 1px rgba(240,165,0,.18);
}
.scenario-card .sc-diff {
    font-family: var(--font-mono);
    font-size: .64rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
    padding: .2rem .5rem;
    border-radius: 3px;
    display: inline-block;
    margin-bottom: .55rem;
}
.sc-diff.beginner { background: rgba(52,211,153,.15); color: var(--green); }
.sc-diff.intermediate { background: var(--amber-glow); color: var(--amber); }
.sc-diff.advanced { background: rgba(248,113,113,.15); color: var(--red); }
.sc-diff.expert { background: rgba(96,165,250,.15); color: var(--blue); }

.scenario-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: .35rem;
    line-height: 1.2;
}
.scenario-card p {
    font-size: .8rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: .45rem;
}
.scenario-card .sc-skill {
    font-family: var(--font-mono);
    font-size: .66rem;
    color: var(--text-muted);
    line-height: 1.4;
}
.sc-completed {
    position: absolute;
    top: .7rem;
    right: .75rem;
    color: var(--green);
    font-size: 1rem;
}

.scenario-main { min-width: 0; }

.scenario-empty-state,
.scene-card,
.debrief-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    animation: fadeIn .3s ease;
}

.scenario-empty-state h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    margin-bottom: .4rem;
}
.scenario-empty-state p { color: var(--text-secondary); }

.scenario-topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.scenario-progress-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    gap: .75rem;
}
.scenario-progress-bar {
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}
.scenario-progress-fill {
    height: 100%;
    background: var(--amber);
    transition: width .3s ease;
}
.scenario-step-count {
    font-family: var(--font-mono);
    font-size: .72rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.scene-card { padding: 2rem; }
.scene-narrative {
    font-size: .95rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--bg-primary);
    border-left: 3px solid var(--amber);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.scene-question {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.scene-choices {
    display: flex;
    flex-direction: column;
    gap: .6rem;
}
.choice-btn {
    text-align: left;
    font-family: var(--font-body);
    font-size: .9rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: .85rem 1.1rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.45;
}
.choice-btn:hover {
    border-color: var(--amber);
    background: var(--bg-hover);
}
.choice-btn.correct {
    border-color: var(--green);
    background: rgba(52,211,153,.1);
    color: var(--green);
}
.choice-btn.wrong {
    border-color: var(--red);
    background: rgba(248,113,113,.08);
    color: var(--red);
}
.choice-btn.dimmed {
    opacity: .4;
    pointer-events: none;
}
.scene-feedback {
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    font-size: .9rem;
    line-height: 1.6;
    animation: fadeIn .3s ease;
}
.scene-feedback.correct-fb {
    background: rgba(52,211,153,.08);
    border: 1px solid var(--green-dim);
    color: var(--green);
}
.scene-feedback.wrong-fb {
    background: rgba(248,113,113,.06);
    border: 1px solid var(--red-dim);
    color: var(--red);
}
.scene-next-wrap {
    margin-top: 1.25rem;
    display: flex;
    justify-content: flex-end;
}

.debrief-card h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: .5rem;
}
.debrief-score {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--amber);
    margin: .5rem 0;
}
.debrief-section { margin-top: 1.5rem; }
.debrief-section h3 {
    font-family: var(--font-display);
    font-size: .85rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: .5rem;
}
.debrief-step {
    padding: .5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: .88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.debrief-step:last-child { border-bottom: none; }
.debrief-step .correct-mark { color: var(--green); margin-right: .4rem; }
.debrief-step .wrong-mark { color: var(--red); margin-right: .4rem; }

/* FOOTER */
.app-footer {
    text-align: center;
    padding: 1rem 2rem;
    font-size: .75rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
    .scenario-layout {
        grid-template-columns: 300px minmax(0, 1fr);
    }
}

@media (max-width: 900px) {
    .step-body.two-col { grid-template-columns: 1fr; }
    .hw-grid { grid-template-columns: 1fr; }
    .top-bar-inner { padding: 0 1rem; }
    .app-main { padding: 1rem; }
    .step-header-row { flex-direction: column; align-items: flex-start; }
    .calc-subtabs { flex-wrap: wrap; }
    .step-labels { flex-wrap: wrap; gap: .25rem; }

    .scenario-layout { grid-template-columns: 1fr; }
    .scenario-sidebar {
        position: static;
        max-height: none;
    }
    .scenario-sidebar-scroll {
        max-height: none;
        overflow: visible;
    }
}

@media (max-width: 640px) {
    .top-bar-inner {
        gap: .75rem;
        height: auto;
        min-height: 56px;
        padding-top: .6rem;
        padding-bottom: .6rem;
        flex-wrap: wrap;
    }
    .top-nav,
    .top-actions {
        flex-wrap: wrap;
    }
    .app-footer {
        flex-direction: column;
        gap: .35rem;
    }
}

/* GEAR MODULE */
.gear-layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
    min-height: 720px;
}

.gear-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: sticky;
    top: 76px;
    max-height: calc(100vh - 110px);
}

.gear-sidebar-head {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, var(--bg-card), var(--bg-secondary));
}

.gear-sidebar-head h1 {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: .25rem;
}

.gear-sidebar-scroll {
    padding: 1rem 1rem 2rem 1rem;
    overflow-y: auto;
    max-height: calc(100vh - 240px);
}

.gear-group {
    margin-bottom: 1.2rem;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.gear-group-title {
    font-family: var(--font-mono);
    font-size: .74rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: .8rem;
    padding-bottom: .45rem;
    border-bottom: 1px solid var(--border);
}

.gear-label {
    display: block;
    font-family: var(--font-mono);
    font-size: .74rem;
    font-weight: 600;
    color: var(--text-label);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin: .75rem 0 .35rem;
}

.gear-actions {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
    padding-bottom: .5rem;
}

.gear-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.gear-summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.gear-summary-card h2 {
    font-family: var(--font-display);
    font-size: 1.45rem;
    margin-bottom: .35rem;
}

.gear-cap-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .85rem;
    margin-top: 1rem;
}

.gear-cap-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
}

.gear-cap-title {
    font-family: var(--font-mono);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--text-muted);
    margin-bottom: .35rem;
}

.gear-cap-value {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
}

.gear-ok { color: var(--green); }
.gear-warn { color: var(--amber); }
.gear-bad { color: var(--red); }

.gear-list {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    margin-top: .8rem;
}

.gear-list-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .85rem 1rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

@media (max-width: 1000px) {
    .gear-layout {
        grid-template-columns: 1fr;
    }

    .gear-sidebar {
        position: static;
        max-height: none;
    }

    .gear-sidebar-scroll {
        max-height: none;
        overflow: visible;
    }

    .gear-cap-grid {
        grid-template-columns: 1fr;
    }
}

.sc-gear-status {
    margin-top: .7rem;
    font-family: var(--font-mono);
    font-size: .68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.sc-gear-go { color: var(--green); }
.sc-gear-caution { color: var(--amber); }
.sc-gear-nogo { color: var(--red); }

.gear-match-box {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .9rem 1rem;
    margin-bottom: .85rem;
    line-height: 1.5;
}

.gear-match-go {
    background: rgba(52,211,153,.08);
    border-color: var(--green-dim);
    color: var(--green);
}

.gear-match-caution {
    background: rgba(240,165,0,.08);
    border-color: var(--amber-dim);
    color: var(--amber);
}

.gear-match-nogo {
    background: rgba(248,113,113,.08);
    border-color: var(--red-dim);
    color: var(--red);
}

.gear-match-list {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .85rem 1rem;
    margin-bottom: .75rem;
}

.gear-match-title {
    font-family: var(--font-mono);
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    margin-bottom: .45rem;
}

.gear-match-item {
    color: var(--text-secondary);
    line-height: 1.45;
    margin-bottom: .25rem;
}

/* TrailSmart Suite and recovery-readiness path */
.suite-bar {
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: .45rem 1rem;
    background: #090b0d;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: .72rem;
}
.suite-bar strong { color: var(--amber); text-transform: uppercase; letter-spacing: .08em; }
.suite-bar a { color: var(--blue); text-decoration: none; }
.suite-bar a:hover,
.suite-bar a:focus-visible { color: #fff; text-decoration: underline; }
.suite-current { color: var(--text-primary); font-weight: 600; }

.readiness-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 310px);
    gap: 2rem;
    align-items: end;
    padding: 2.4rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at 85% 0, rgba(240,165,0,.18), transparent 35%), linear-gradient(135deg, #20252c, #15181c);
}
.readiness-hero h1 { max-width: 800px; font-family: var(--font-display); font-size: clamp(2.4rem, 6vw, 4.8rem); line-height: .95; }
.readiness-hero p:not(.readiness-kicker) { max-width: 800px; margin-top: 1rem; color: var(--text-secondary); font-size: 1.04rem; }
.readiness-kicker { margin-bottom: .5rem; color: var(--amber); font-family: var(--font-mono); font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.role-select { display: grid; gap: .5rem; color: var(--text-label); font-family: var(--font-mono); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.role-select select { width: 100%; min-height: 46px; }
.role-guidance,
.safety-boundary,
.planning-boundary { margin-top: 1rem; padding: 1rem 1.2rem; border-radius: var(--radius); line-height: 1.5; }
.role-guidance { border: 1px solid rgba(96,165,250,.35); background: rgba(96,165,250,.08); color: var(--text-secondary); }
.role-guidance strong,
.safety-boundary strong,
.planning-boundary strong { display: block; margin-bottom: .2rem; color: var(--text-primary); }
.safety-boundary { border: 1px solid rgba(248,113,113,.4); background: rgba(248,113,113,.08); color: var(--text-secondary); }
.safety-boundary p { margin: 0; }
.planning-boundary { margin-bottom: 1.25rem; border: 1px solid rgba(240,165,0,.4); background: rgba(240,165,0,.08); color: var(--text-secondary); }

.readiness-section { margin-top: 2rem; }
.readiness-heading h2,
.readiness-card h2 { font-family: var(--font-display); font-size: 1.65rem; }
.recovery-loop { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 1rem; }
.recovery-loop article { position: relative; min-height: 170px; padding: 1.15rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); }
.recovery-loop article > b { width: 29px; height: 29px; display: grid; place-items: center; margin-bottom: .8rem; border-radius: 50%; background: var(--amber); color: var(--bg-primary); font-family: var(--font-mono); }
.recovery-loop h3 { font-family: var(--font-display); font-size: 1.2rem; }
.recovery-loop p { margin-top: .4rem; color: var(--text-secondary); font-size: .88rem; }

.readiness-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
.readiness-card { padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg-card); }
.readiness-checks,
.kinetic-gate { display: grid; gap: .65rem; margin-top: 1rem; }
.readiness-checks label,
.kinetic-gate label { display: grid; grid-template-columns: auto 1fr; gap: .65rem; align-items: start; padding: .75rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-primary); color: var(--text-secondary); }
.readiness-checks input,
.kinetic-gate input { margin-top: .25rem; accent-color: var(--amber); }
.readiness-verdict { display: grid; gap: .2rem; margin-top: 1rem; padding: 1rem; border: 1px solid var(--border); border-radius: var(--radius); }
.readiness-verdict strong,
.readiness-verdict span { display: block; }
.readiness-verdict span { color: var(--text-secondary); font-size: .86rem; }
.readiness-verdict.hold { border-color: var(--amber-dim); background: rgba(240,165,0,.08); }
.readiness-verdict.ready { border-color: var(--green-dim); background: rgba(52,211,153,.08); }
.readiness-path { display: grid; gap: .65rem; margin-top: 1rem; }
.readiness-stage { width: 100%; display: grid; grid-template-columns: 34px 1fr; gap: .75rem; align-items: center; padding: .8rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-primary); color: var(--text-primary); text-align: left; }
.readiness-stage > b { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 50%; color: var(--amber); }
.readiness-stage span,
.readiness-stage strong,
.readiness-stage small { display: block; }
.readiness-stage small { margin-top: .15rem; color: var(--text-muted); }
.readiness-stage.complete { border-color: var(--green-dim); }
.readiness-stage.complete > b { background: var(--green-dim); color: #fff; }
.readiness-stage.locked { opacity: .52; cursor: not-allowed; }
.readiness-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1rem; }
.suite-prerequisite { margin-top: .8rem; padding: .9rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-primary); color: var(--text-secondary); }
.suite-prerequisite strong,
.suite-prerequisite span { display: block; }
.suite-prerequisite a { display: inline-block; margin-top: .55rem; color: var(--blue); }
.scenario-review-notice { margin-top: .75rem; color: var(--amber); font-family: var(--font-mono); font-size: .68rem; line-height: 1.4; }
.recovery-record-section { margin-bottom: 1rem; }
.operations-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
.operations-card { display: grid; gap: .75rem; padding: 1.35rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--bg-card); }
.operations-card h3 { font-family: var(--font-display); font-size: 1.35rem; }
.operations-card label { display: grid; gap: .3rem; color: var(--text-label); font-family: var(--font-mono); font-size: .7rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.operations-card input,
.operations-card textarea { width: 100%; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-input); color: var(--text-primary); padding: .7rem .8rem; font-family: var(--font-body); font-size: .9rem; text-transform: none; resize: vertical; }
.operations-card input:focus,
.operations-card textarea:focus { outline: 2px solid var(--amber-dim); outline-offset: 1px; }
.recovery-records { display: grid; gap: .6rem; margin-top: 1rem; }
.recovery-record { border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); }
.recovery-record summary { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .8rem; align-items: center; padding: .85rem 1rem; cursor: pointer; }
.recovery-record summary span { color: var(--amber); font-family: var(--font-mono); font-size: .66rem; font-weight: 700; text-transform: uppercase; }
.recovery-record summary small { color: var(--text-muted); }
.recovery-record-body { display: grid; gap: .7rem; padding: 0 1rem 1rem; }
.recovery-record-body strong { color: var(--text-label); font-family: var(--font-mono); font-size: .68rem; text-transform: capitalize; }
.recovery-record-body p { margin-top: .2rem; color: var(--text-secondary); white-space: pre-wrap; }

@media (max-width: 850px) {
    .suite-bar { flex-wrap: wrap; justify-content: flex-start; }
    .readiness-hero,
    .readiness-grid,
    .operations-grid { grid-template-columns: 1fr; }
    .recovery-loop { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    .top-bar-inner { height: auto; min-height: 56px; padding: .6rem 1rem; flex-wrap: wrap; }
    .top-nav { order: 3; width: 100%; overflow-x: auto; }
    .top-actions { display: none; }
    .app-main { padding: 1rem; }
    .readiness-hero { padding: 1.35rem; }
    .recovery-loop { grid-template-columns: 1fr; }
    .readiness-actions > * { width: 100%; }
    .recovery-record summary { grid-template-columns: 1fr; }
}