@import url('mission.css');
.linux-hero { padding: 76px 0 32px; max-width: 910px; }
.linux-hero h1 { margin-bottom: 16px; }
.linux-hero .secondary { margin: 14px 0 6px; }
.linux-hero small { display: block; color: var(--muted); }
.linux-picker { display: flex; gap: 8px; overflow-x: auto; padding: 12px 0 20px; border-bottom: 1px solid var(--border); }
.linux-picker-item { flex: 0 0 auto; background: #132531; color: var(--text); border: 1px solid var(--border); border-radius: 999px; padding: 10px 15px; font-weight: 700; }
.linux-picker-item[aria-current="true"] { background: var(--mint); color: #0b2118; border-color: var(--mint); }
.linux-picker-item:hover { border-color: var(--mint); }
.linux-assignment { padding-top: 54px; }
.linux-assignment h2 { font-size: clamp(2.2rem, 5vw, 4rem); margin: 10px 0; letter-spacing: -.04em; }
.linux-assignment .lead { margin-bottom: 30px; }
.linux-instructions { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.linux-instructions li { padding: 5px 0; }
.linux-instructions li.done { color: var(--mint); }
.linux-instructions li.done::marker { content: '✓  '; }
.terminal-window { background: #061018; border: 1px solid #41615a; border-radius: 15px; overflow: hidden; margin-top: 28px; box-shadow: 0 20px 60px #0005; }
.terminal-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 14px; background: #14212b; color: var(--muted); font: 13px ui-monospace, monospace; }
.terminal-bar i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--mint); margin-right: 8px; }
.terminal-bar button { font-size: 12px; padding: 6px 10px; }
.terminal-output { min-height: 260px; max-height: 420px; overflow-y: auto; padding: 20px; font: 14px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; }
.terminal-entry { margin: 0 0 14px; }
.terminal-entry pre { white-space: pre-wrap; overflow-wrap: anywhere; margin: 4px 0; color: #d1e8dc; font: inherit; }
.terminal-command { color: var(--mint); overflow-wrap: anywhere; }
.terminal-form { display: flex; align-items: center; gap: 10px; border-top: 1px solid var(--border); padding: 12px; }
.terminal-form label { color: var(--mint); font: 700 13px ui-monospace, monospace; white-space: nowrap; }
.terminal-form input { flex: 1; min-width: 0; border: 0; background: transparent; color: #fff; font: 15px ui-monospace, monospace; outline-offset: 3px; }
.terminal-form button { padding: 8px 12px; }
.sim-note { color: var(--muted); font-size: .9rem; }
.help-section .panel { margin-top: 24px; }
.hint-list { padding-left: 24px; color: var(--text); }
.hint-list li { padding: 8px 0; }
.help-section details { border-top: 1px solid var(--border); margin-top: 20px; padding-top: 14px; }
.help-section summary { cursor: pointer; font-weight: 700; }
.report-section select { display: block; width: 100%; margin: 12px 0; padding: 12px; background: #0e1a24; color: var(--text); border: 1px solid var(--border); border-radius: 8px; }
.report-section label { display: block; font-weight: 700; }
@media (max-width: 800px) { .linux-instructions { grid-template-columns: 1fr; } }
@media (max-width: 550px) { .linux-hero { padding-top: 45px; } .terminal-form { flex-wrap: wrap; } .terminal-form label { width: 100%; } .terminal-output { min-height: 220px; } }