@import url('../assets/design-tokens.css');
* { box-sizing: border-box; }
html { scroll-padding-top: 20px; }
body { margin: 0; background: var(--background); color: var(--text); font: 13px/1.6 var(--font-ui); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
h2 { font-size: 17px; font-weight: 650; letter-spacing: -.03em; }
h3 { font-size: 13px; font-weight: 600; }
a { color: inherit; text-underline-offset: 3px; }
button, select, input, textarea { font: inherit; color: inherit; }
button, .button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 38px; padding: 8px 13px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface); color: var(--text); font-weight: 550; line-height: 1.5; text-decoration: none; cursor: pointer; }
button:hover:not(:disabled), .button:hover { background: var(--accent-soft); border-color: var(--accent); }
button.primary { background: var(--accent); border-color: transparent; color: #352607; }
button.primary:hover:not(:disabled) { background: #ffc65f; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.danger { color: var(--danger); }
select { min-height: 38px; padding: 7px 30px 7px 11px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface); max-width: 100%; cursor: pointer; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
[hidden] { display: none !important; }
::selection { background: var(--accent-soft); color: var(--accent-text); }
.workspace { max-width: 1840px; margin: 0 auto; padding: 20px 28px; }
.panel.welcome { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(270px, 1fr); gap: 32px; margin-top: 20px; border-top: 3px solid var(--accent); }
#guided { margin-bottom: 20px; }
.lesson-current .lab-actions { flex-direction: row; flex-wrap: wrap; }
.welcome h2 { font-size: 22px; line-height: 1.5; margin: 7px 0; }
.welcome p { color: var(--muted); max-width: 760px; line-height: 1.8; }
.welcome-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 8px; }
.welcome small { color: var(--muted); }
.welcome-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; align-content: center; }
.welcome-steps li { display: flex; gap: 12px; align-items: center; padding: 12px 16px; background: var(--surface-soft); border: 1px solid var(--border); border-radius: var(--radius-control); }
.welcome-steps b { font: 12px var(--font-mono); color: var(--accent-text); }
.workspace-nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin: 18px 0; font-size: 12px; }
.workspace-nav a { color: var(--muted); text-decoration: none; }
.workspace-nav a:hover { color: var(--text); text-decoration: underline; }
.workspace-nav button { margin-left: auto; font-size: 12px; }
.setup-help { color: var(--muted); font-size: 11px; margin: -6px 0 16px; }
.lesson-grid { display: grid; grid-template-columns: minmax(240px, .8fr) minmax(0, 1.8fr); gap: 28px; }
.lesson-overview { border-right: 1px solid var(--border); padding-right: 24px; }
.lesson-current { min-width: 0; }
.lesson-instruction { font-size: 15px; margin: 5px 0 12px; }
.lesson-current .lab-actions button { font-size: 12px; min-height: 38px; }
.lesson-current .lab-actions button:disabled { opacity: .7; background: var(--success-soft); }
.expected-outcome { padding: 10px 12px; border-radius: 10px; background: var(--surface-soft); font-size: 12px; line-height: 1.8; margin: 12px 0; }
.expected-outcome b { color: var(--accent-text); margin-right: 7px; }
.lesson-sql { margin: 10px 0; font-size: 11px; }
.lesson-sql code { display: block; overflow-wrap: anywhere; padding-top: 5px; }
.lesson-all { border-top: 1px solid var(--border); padding-top: 10px; margin-top: 16px; }
.lab-list [aria-current="step"] { color: var(--accent-text); font-weight: 600; }
.free-guidance { display: flex; gap: 20px; justify-content: space-between; align-items: center; }
.free-guidance p { color: var(--muted); }
#lab-feedback:empty { display: none; }
#lab-feedback { border-top: 1px solid var(--border); padding-top: 10px; margin-top: 12px; font-size: 12px; overflow-wrap: anywhere; }
#lab-feedback a { margin-left: 10px; }
.flow-status { display: flex; gap: 18px; justify-content: space-between; align-items: center; background: var(--surface-soft); border-radius: 12px; padding: 12px 16px; margin-bottom: 16px; }
.flow-status p { color: var(--muted); font-size: 11px; margin-top: 4px; }
.flow-status a { white-space: nowrap; font-size: 11px; }
.playback-note { padding: 0 0 12px; font-size: 11px; }
.experiment-controls { border-top: 1px solid var(--border); padding: 12px 0; }
.experiment-controls summary { font-size: 12px; }
.experiment-controls > p { font-size: 11px; color: var(--muted); margin-top: 10px; }
.console-help { color: var(--muted); font-size: 11px; margin: 10px 0; line-height: 1.8; }
.result-heading { flex-wrap: wrap; }
#refresh-query { font-size: 11px; min-height: 30px; padding: 5px 9px; }
.compare-db { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.compare-db strong { font-family: var(--font-mono); display: block; }
.compare-db small, .compare-db p { color: var(--muted); font-size: 10px; font-weight: 400; }
.compare-count { display: block; font: 24px/1.7 var(--font-mono); }
.compare-db button { font-size: 11px; }
.guide-navigation { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0; padding: 8px 0; position: sticky; top: 0; background: var(--surface); z-index: 2; }
.guide-navigation button { font-size: 12px; min-height: 34px; }
.guide-navigation button[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-text); }
#guide-page { line-height: 1.8; }
.manual-item { padding: 14px 0; border-bottom: 1px solid var(--border); }
.manual-item h3 { font-size: 14px; }
.manual-item p, .manual-labs p { font-size: 12px; color: var(--muted); margin-top: 6px; }
#guide-page > button { margin-top: 20px; }
.manual-labs { display: grid; gap: 10px; margin-top: 16px; }
.manual-labs article { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px; background: var(--surface-soft); border: 1px solid var(--border); border-radius: 12px; }
.manual-labs button { flex-shrink: 0; }
.manual-labs small { color: var(--accent-text); }
@media (max-width: 900px) { .panel.welcome, .lesson-grid { grid-template-columns: 1fr; gap: 18px; } .lesson-overview { border-right: 0; padding-right: 0; } .welcome-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } .welcome-steps li { align-items: start; padding: 10px; font-size: 11px; } }
@media (max-width: 570px) { .welcome h2 { font-size: 18px; } .welcome-steps { grid-template-columns: 1fr; } .workspace-nav { gap: 12px; } .workspace-nav button { margin-left: 0; } .free-guidance, .flow-status { align-items: start; flex-direction: column; gap: 10px; } .lesson-instruction { font-size: 14px; } .manual-labs article { gap: 10px; } }
.topbar { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 16px 20px; box-shadow: var(--shadow-card); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 42px; flex-shrink: 0; border-radius: 12px; background: var(--accent); color: #352607; font: 700 15px var(--font-mono); }
.brand-kicker { font-size: 10px; line-height: 14px; color: var(--muted); letter-spacing: .07em; font-weight: 650; }
.brand h1 { font-size: 20px; line-height: 26px; font-weight: 650; letter-spacing: -.035em; }
.brand p { font-size: 12px; line-height: 18px; color: var(--muted); }
.utilities { display: flex; flex-wrap: wrap; gap: 6px; }
.utilities button, .utilities .button { min-height: 42px; font-size: 13px; }
.setup-bar { display: flex; align-items: end; gap: 14px; margin: 23px 2px 16px; }
.setup-bar label { display: flex; gap: 5px; flex-direction: column; }
.setup-bar label > span { font-size: 11px; color: var(--muted); }
.scenario-select { flex: 1; max-width: 410px; }
#reset { margin-left: auto; }
.scenario-context { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin: -4px 0 16px; padding: 12px 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.scenario-context > div { flex: 1 1 260px; }
.scenario-context strong { font-size: 12px; }
.scenario-context p { color: var(--muted); font-size: 11px; margin-top: 3px; }
.scenario-context button { font-size: 12px; }
.flow-panel, .panel { border-radius: var(--radius-card); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-card); min-width: 0; }
.flow-panel { padding: 23px 24px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.eyebrow { font-size: 10px; letter-spacing: .14em; color: var(--muted); font-weight: 650; margin-bottom: 4px; }
.environment { display: flex; flex-wrap: wrap; justify-content: end; gap: 6px; }
.environment span { border: 1px solid var(--border); border-radius: 6px; padding: 3px 8px; font-size: 10px; color: var(--muted); }
.mono, code, pre, textarea, table { font-family: var(--font-mono); }
.muted { color: var(--muted); }
.direction { text-align: center; font-size: 12px; padding: 15px 0 10px; color: var(--muted); }
.direction strong { color: var(--text); font-weight: 500; }
.topology { display: grid; grid-template-columns: minmax(0, 1fr) 170px minmax(0, 1fr); align-items: stretch; min-height: 347px; }
.database { border: 1px solid var(--border); border-radius: 17px; padding: 16px; min-width: 0; position: relative; }
.database.is-primary { border-top: 3px solid var(--accent); padding-top: 14px; }
.database.is-standby { border-top: 3px solid var(--success); padding-top: 14px; }
.database.is-failed { border-top: 3px solid var(--danger); padding-top: 14px; }
.db-heading { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.db-heading strong { font: 650 18px var(--font-mono); }
.pill { display: inline-flex; align-items: center; border-radius: var(--radius-pill); background: var(--surface-soft); border: 1px solid var(--border); padding: 3px 9px; font: 10px/1.5 var(--font-mono); white-space: nowrap; }
.pill.good { background: var(--success-soft); color: var(--success); border-color: transparent; }
.pill.bad { color: var(--danger); }
.db-state { display: flex; flex-wrap: wrap; gap: 5px 14px; font-size: 10px; color: var(--muted); margin: 8px 0 14px; }
.archive-shelf { padding: 5px 8px; border: 1px dashed var(--border); border-radius: 5px; color: var(--muted); font-size: 9px; }
.stage { border-top: 1px solid var(--border); padding: 8px 0; min-height: 57px; }
.stage-heading { display: flex; gap: 8px; align-items: center; justify-content: space-between; font-size: 11px; }
.stage-heading .stage-note { font: 10px var(--font-mono); color: var(--muted); }
.packets { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; min-height: 31px; padding-top: 6px; }
.packet { position: relative; min-height: 24px; padding: 3px 7px; border: 1px solid #c5cfda; color: #425a74; background: #f0f4f8; border-radius: 5px; font: 10px var(--font-mono); white-space: nowrap; z-index: 1; }
.packet.applied { background: var(--success-soft); color: var(--success); border-color: var(--success); }
.packet.selected { outline: 2px solid var(--focus); outline-offset: 1px; }
.packet small { border-left: 1px solid currentColor; padding-left: 4px; margin-left: 4px; font-weight: 700; }
html[data-theme="dark"] .packet:not(.applied) { background: #283541; color: #b7d0e7; border-color: #607387; }
.empty-lane { color: var(--muted); font-size: 10px; }
.row-count { font: 600 18px var(--font-mono); }
.row-count small { color: var(--muted); font: 10px var(--font-ui); margin-left: 5px; }
.data-line { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }
.network { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 9px; text-align: center; padding: 35px 9px 18px; min-width: 0; }
.network-label { font-size: 11px; font-weight: 600; }
.network .packets { justify-content: center; min-height: 56px; max-width: 148px; }
.wire { width: calc(100% + 18px); height: 20px; display: flex; align-items: center; color: var(--muted); }
.wire::before, .wire::after { content: ''; flex: 1; border-top: 1px dashed var(--muted); }
.wire span { font-size: 23px; padding: 0 4px; line-height: 1; }
.network.blocked .wire { color: var(--danger); }
.reason { min-height: 32px; font: 10px/1.5 var(--font-mono); color: var(--muted); overflow-wrap: anywhere; }
.reason.blocked { color: var(--danger); }
.network small { font-size: 10px; color: var(--muted); }
.flow-foot { display: flex; justify-content: space-between; gap: 14px; color: var(--muted); font-size: 11px; padding: 14px 0; }
.legend { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.legend i { width: 10px; height: 10px; background: #d4dfeb; border: 1px solid #73879c; border-radius: 2px; }
.legend b { font: 10px var(--font-mono); border: 1px solid var(--muted); border-radius: 3px; padding: 0 3px; margin-left: 6px; }
.playback { display: flex; gap: 12px; flex-wrap: wrap; justify-content: space-between; padding: 14px 0; border-top: 1px solid var(--border); }
.control-group { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; }
.time { font-size: 11px; color: var(--muted); padding: 0 4px; }
.check { display: flex; align-items: center; gap: 5px; white-space: nowrap; font-size: 12px; padding: 7px; cursor: pointer; }
input[type="checkbox"] { accent-color: var(--accent-text); width: 15px; height: 15px; }
.fault-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 12px 0; border-top: 1px solid var(--border); }
.fault-controls button, .fault-controls select { min-height: 32px; font-size: 11px; padding: 6px 10px; }
.fault-controls select { padding-right: 24px; }
#run-status { margin-left: auto; font-size: 10px; }
.metrics { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin: 17px 0 12px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); padding: 14px 0; }
.metric { padding: 0 17px; border-right: 1px solid var(--border); min-width: 0; }
.metric:last-child { border-right: 0; }
.metric span { color: var(--muted); font-size: 10px; display: block; }
.metric strong { display: block; font: 550 19px/1.6 var(--font-mono); }
.metric small { font-size: 9px; color: var(--muted); }
.notice { padding: 0 5px 14px; color: var(--muted); font-size: 11px; min-height: 30px; }
.notice.warning { color: var(--danger); }
.work-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(290px, 1fr); gap: 16px; align-items: start; }
.panel { padding: 20px; }
.side-stack { display: flex; flex-direction: column; gap: 16px; }
.target { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 11px; }
.target select { font-family: var(--font-mono); min-height: 32px; font-size: 12px; }
.console-context { color: var(--muted); font-size: 11px; margin: 12px 0; overflow-wrap: anywhere; }
textarea { display: block; resize: vertical; width: 100%; min-height: 94px; border: 1px solid var(--border); border-radius: 12px; padding: 13px; font-size: 12px; line-height: 1.8; background: var(--surface-soft); }
.console-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 9px; }
.console-actions span { font-size: 10px; }
.quick-commands { display: flex; flex-wrap: wrap; gap: 5px; padding: 14px 0 10px; }
.quick-commands button, .command-reference button { min-height: 30px; font-size: 10px; padding: 6px 9px; border-radius: 7px; }
summary { cursor: pointer; font-weight: 550; font-size: 12px; }
.command-reference { border-top: 1px solid var(--border); padding-top: 9px; }
.command-reference summary, .history summary { color: var(--muted); font-size: 11px; }
#command-reference { display: flex; flex-wrap: wrap; gap: 5px; padding-top: 10px; }
.result-heading { display: flex; justify-content: space-between; align-items: center; margin: 20px 0 10px; gap: 10px; }
#result-time { font-size: 10px; }
.query-result { overflow-x: auto; min-height: 85px; max-height: 340px; border: 1px solid var(--border); border-radius: 10px; padding: 10px; font-size: 11px; }
.query-result .error { color: var(--danger); }
table { width: 100%; border-collapse: collapse; font-size: 10px; white-space: nowrap; }
th { color: var(--muted); text-align: left; font-weight: 500; background: var(--surface-soft); }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--border); }
tbody tr:last-child td { border-bottom: 0; }
.result-note { font-size: 10px; color: var(--muted); padding-top: 8px; }
.history { margin-top: 12px; }
#sql-history { font: 10px/1.6 var(--font-mono); max-height: 170px; overflow: auto; }
#sql-history p { padding: 5px 0; border-bottom: 1px solid var(--border); overflow-wrap: anywhere; }
.guided .section-heading { margin-bottom: 13px; }
.guided p { font-size: 12px; }
.guided .lab-goal { margin-bottom: 13px; color: var(--muted); }
progress { width: 100%; height: 6px; accent-color: var(--success); margin: 8px 0 10px; border: 0; border-radius: 5px; background: var(--border); }
progress::-webkit-progress-bar { background: var(--border); border-radius: 5px; }
progress::-webkit-progress-value { background: var(--success); border-radius: 5px; }
.lab-step { background: var(--surface-soft); padding: 12px; border-radius: 10px; margin-top: 10px; }
.lab-step strong { display: block; font-size: 12px; margin-bottom: 7px; }
.lab-actions { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; }
.lab-actions button { text-align: left; justify-content: start; font-size: 11px; overflow-wrap: anywhere; min-width: 0; }
.lab-actions code { font-size: 10px; }
.lab-actions .db-tag { font: 10px var(--font-mono); color: var(--muted); flex-shrink: 0; }
.lab-state, .lab-condition { font-size: 10px !important; color: var(--muted); margin-top: 8px; }
.lab-complete { color: var(--success); font-size: 14px !important; }
.lab-list { margin: 9px 0 0; padding-left: 20px; font-size: 10px; color: var(--muted); }
.lab-list li { padding: 4px 0; }
.observations h2 { font-size: 14px; margin-bottom: 10px; }
.observation-top { display: flex; justify-content: space-between; align-items: center; font-size: 10px; margin-bottom: 8px; }
.observation-values { display: flex; gap: 20px; font: 12px var(--font-mono); }
.observation-values span { color: var(--muted); display: block; font-size: 9px; margin-bottom: 4px; }
.observation-time { display: flex; flex-wrap: wrap; gap: 6px 15px; font: 9px var(--font-mono); color: var(--muted); margin-top: 12px; }
.observations p { font-size: 10px; color: var(--muted); margin-top: 10px; }
.transitions, .events-panel, .guide { margin-top: 16px; }
.transition-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; margin-top: 17px; }
.transition-grid h3 { margin-bottom: 8px; }
.transition-grid p { font-size: 11px; color: var(--muted); margin: 8px 0; }
.checks { display: flex; flex-wrap: wrap; gap: 5px; margin: 12px 0; }
.checks span { border-radius: 5px; font-size: 10px; background: var(--surface-soft); padding: 3px 7px; }
.checks .yes { color: var(--success); }
.checks .no { color: var(--danger); }
.role-buttons { display: flex; flex-wrap: wrap; gap: 5px; }
.role-buttons button { font-size: 11px; min-height: 31px; }
.coverage { font-size: 11px; padding: 10px 0; }
.coverage-row { display: flex; justify-content: space-between; padding: 4px 0; gap: 10px; border-bottom: 1px solid var(--border); }
.coverage details { margin-top: 7px; }
.coverage details p { font: 10px var(--font-mono); overflow-wrap: anywhere; }
.advanced { margin-top: 12px; }
.advanced summary { font-size: 11px; }
.events { max-height: 210px; overflow: auto; margin-top: 12px; font: 10px/1.8 var(--font-mono); }
.event { display: grid; grid-template-columns: 68px minmax(0, 1fr); gap: 14px; padding: 3px 0; border-bottom: 1px solid var(--border); }
.event time { color: var(--muted); }
.event span { overflow-wrap: anywhere; }
.event.error span { color: var(--danger); }
.event.apply span, .event.complete span { color: var(--success); }
.events-panel .section-heading > span { font-size: 10px; }
.guide details > div { font-size: 12px; color: var(--muted); padding-top: 12px; }
.guide p { margin: 8px 0; }
.guide ul { padding-left: 20px; }
.guide li { margin: 6px 0; }
.guide a { color: var(--accent-text); }
.explanation-panel { margin-top: 16px; }
.explanation-intro { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 12px; margin-top: 16px; }
.explanation-intro p { flex: 1 1 380px; color: var(--muted); font-size: 12px; }
.explanation-now { margin: 16px 0 12px; padding: 16px; border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; background: var(--surface-soft); }
.explanation-now h3 { font-size: 15px; margin-bottom: 6px; }
.explanation-now p { font-size: 12px; }
.explanation-now .explanation-playback { color: var(--muted); margin-top: 8px; font-size: 11px; }
.explanation-trace { color: var(--muted); font-size: 11px; margin: 12px 0; overflow-wrap: anywhere; }
.explanation-stages { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 0; margin: 12px 0; list-style: none; }
.explanation-stages li { display: flex; flex-direction: column; gap: 9px; padding: 15px; border: 1px solid var(--border); border-radius: 12px; }
.explanation-stages li.is-tracked { border-color: var(--accent); background: var(--accent-soft); }
.explanation-stage-heading { display: flex; align-items: baseline; gap: 10px; }
.explanation-number { color: var(--muted); font: 11px var(--font-mono); }
.explanation-stages p { font-size: 12px; color: var(--muted); }
.explanation-count { font-size: 10px; margin-top: auto; padding-top: 3px; }
.is-blocked .explanation-count { color: var(--danger); }
.explanation-next { border-top: 1px solid var(--border); margin-top: 16px; padding-top: 14px; font-size: 12px; }
.explanation-next p { margin: 5px 0; }
.explanation-next a { color: var(--accent-text); font-size: 11px; }
.explanation-footnote { font-size: 10px; color: var(--muted); margin-top: 14px; }
@media (max-width: 900px) { .explanation-stages { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 570px) { .explanation-stages { grid-template-columns: 1fr; } }
.generate-start { position: relative; display: inline-flex; margin-top: 12px; }
.generate-start.needs-change #generate { outline: 1px solid var(--accent); outline-offset: 3px; }
#start-hint { position: absolute; bottom: calc(100% - 2px); left: 7px; padding: 0 5px; border: 1px solid var(--accent); border-radius: 5px; background: var(--surface); color: var(--accent-text); font-size: 9px; line-height: 16px; white-space: nowrap; pointer-events: none; }
body:has(#guide-dialog[open]) { overflow: hidden; }
#guide-dialog { width: min(760px, calc(100% - 32px)); max-height: calc(100dvh - 40px); padding: 26px; margin: auto; border: 1px solid var(--border); border-radius: 22px; background: var(--surface); color: var(--text); box-shadow: 0 24px 70px #00000038; overflow: auto; }
#guide-dialog::backdrop { background: rgba(105, 115, 122, .72); backdrop-filter: blur(3px); }
#guide-close { flex-shrink: 0; }
#guide-intro { color: var(--muted); margin-top: 16px; }
.guide-steps { list-style: none; counter-reset: guide-step; padding: 0; margin: 22px 0; display: grid; gap: 20px; }
.guide-steps li { counter-increment: guide-step; position: relative; padding-left: 42px; }
.guide-steps li::before { content: counter(guide-step, decimal-leading-zero); position: absolute; left: 0; top: 0; color: var(--accent-text); background: var(--accent-soft); border-radius: 8px; padding: 5px 7px; font: 12px/20px var(--font-mono); }
.guide-steps strong { font-size: 14px; }
.guide-steps p { color: var(--muted); font-size: 12px; margin-top: 5px; }
.guide-note { padding: 14px; background: var(--surface-soft); border: 1px solid var(--border); border-radius: 12px; font-size: 12px; }
.guide-actions { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.guide-actions button { font-size: 11px; }
@media (max-width: 570px) { #guide-dialog { padding: 20px; } #guide-modal-title { font-size: 16px; } }
footer { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 10px; padding: 21px 4px 4px; }
.trace-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 15px 20px; margin-bottom: 16px; }
.trace-panel h2 { font: 14px var(--font-mono); }
.trace-panel button { min-height: 28px; padding: 4px 9px; font-size: 11px; }
.trace-steps { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 0; }
.trace-steps span { background: var(--surface-soft); border-radius: 6px; padding: 6px 10px; font: 10px var(--font-mono); }
#trace p { font-size: 11px; color: var(--muted); }
.tip { position: relative; cursor: help; border-bottom: 1px dotted var(--muted); }
.tip .tooltip { display: none; position: absolute; width: 230px; bottom: calc(100% + 8px); left: 0; padding: 10px 12px; background: var(--text); color: var(--background); border-radius: 8px; z-index: 10; font: 11px/1.6 var(--font-ui); box-shadow: var(--shadow-card); }
.tip:hover .tooltip, .tip:focus .tooltip { display: block; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip { position: fixed; top: -100px; left: 20px; z-index: 30; background: var(--surface); border: 1px solid var(--border); padding: 10px 15px; border-radius: 12px; }
.skip:focus { top: 10px; }
@media (min-width: 1350px) { .topology { grid-template-columns: minmax(0, 1fr) 200px minmax(0, 1fr); } }
@media (max-width: 1050px) { .workspace { padding: 16px; } .topbar { flex-wrap: wrap; } .work-grid { grid-template-columns: minmax(0, 1.2fr) minmax(270px, 1fr); } .topology { grid-template-columns: minmax(0, 1fr) 125px minmax(0, 1fr); } .metric { padding: 0 10px; } .environment span { font-size: 9px; } }
@media (max-width: 760px) { .work-grid { grid-template-columns: 1fr; } .topology { grid-template-columns: minmax(0, 1fr) 100px minmax(0, 1fr); } .flow-panel { padding: 18px 16px 0; } .flow-panel > .section-heading { align-items: start; } .environment { max-width: 155px; } .database { padding: 12px; } .db-heading { flex-wrap: wrap; gap: 5px; } .db-heading strong { font-size: 16px; } .metrics { grid-template-columns: repeat(3, 1fr); row-gap: 14px; } .metric:nth-child(3) { border-right: 0; } .transition-grid { grid-template-columns: 1fr; } }
@media (max-width: 570px) {
  .workspace { padding: 10px; } .topbar { padding: 15px; gap: 13px; } .brand h1 { font-size: 18px; } .utilities { width: 100%; } .utilities button, .utilities .button { flex: 1; font-size: 11px; padding: 7px 9px; min-height: 38px; } .setup-bar { flex-wrap: wrap; gap: 10px; margin-top: 16px; } .setup-bar > label:first-child { flex: 1; } .scenario-select { flex-basis: 100%; order: 3; max-width: none; } #reset { margin-left: 0; } .flow-panel > .section-heading { flex-direction: column; gap: 8px; } .environment { max-width: none; justify-content: start; } .direction { text-align: left; font-size: 10px; }
  .topology { display: flex; flex-direction: column; gap: 0; } .database { padding: 14px; } .database.is-primary { order: 0; } .network { order: 1; padding: 10px; flex-direction: row; flex-wrap: wrap; gap: 7px; } .database.is-standby, .database.is-failed { order: 2; } .network .wire { width: 100%; height: 18px; order: 3; } .network .wire span { font-size: 17px; } .network .wire::before, .network .wire::after { max-width: 30%; } .network .wire { justify-content: center; } .network .packets { min-height: 24px; max-width: none; padding: 0; } .network .reason { min-height: 0; } .network small { display: none; } .network-label { font-size: 10px; } .db-heading { flex-wrap: nowrap; } .stage { min-height: 53px; } .flow-foot { flex-direction: column; gap: 5px; padding: 11px 0; font-size: 10px; }
  .playback { gap: 12px; } .playback button { font-size: 11px; padding: 7px 10px; } .playback select { font-size: 11px; padding: 7px; } .check { font-size: 10px; } .fault-controls { gap: 5px; } #run-status { margin-left: 0; width: 100%; } .panel { padding: 16px; } .metrics { margin-top: 12px; } .metric strong { font-size: 17px; } .metric span { font-size: 9px; } .tip .tooltip { width: 200px; } .events-panel .section-heading { align-items: start; flex-direction: column; gap: 4px; } footer { flex-direction: column; gap: 6px; } .query-result { max-width: 100%; } .target { font-size: 10px; } .trace-steps { gap: 4px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }