:root {
    --ink: #10211d;
    --ink-soft: #334841;
    --paper: #f3f0e8;
    --paper-raised: #fbfaf6;
    --paper-deep: #e5e0d4;
    --line: #c8c1b2;
    --line-strong: #8c948d;
    --signal: #f15a2a;
    --signal-dark: #b73512;
    --route: #087f72;
    --route-dark: #05584f;
    --route-pale: #d8ebe5;
    --warning: #d7921f;
    --danger: #a83225;
    --white: #fff;
    --shadow: 0 24px 70px rgba(16, 33, 29, .12);
    --shadow-small: 0 10px 28px rgba(16, 33, 29, .09);
    --radius: 4px;
    --rail-width: 17.5rem;
    --font-display: "Bahnschrift", "DIN Alternate", "Aptos Display", sans-serif;
    --font-body: "Avenir Next", "Aptos", "Trebuchet MS", sans-serif;
    --font-mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
}

body::selection {
    color: var(--white);
    background: var(--route);
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

svg {
    display: block;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: .98;
    letter-spacing: -.035em;
}

h1 {
    font-size: clamp(2.7rem, 7vw, 6.7rem);
}

h2 {
    font-size: clamp(1.7rem, 3vw, 3rem);
}

h3 {
    font-size: 1.25rem;
}

:focus-visible {
    outline: 3px solid var(--signal);
    outline-offset: 4px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: .75rem;
    left: .75rem;
    padding: .7rem 1rem;
    color: var(--white);
    background: var(--ink);
    font-weight: 800;
    transform: translateY(-180%);
    transition: transform .15s ease;
}

.skip-link:focus {
    transform: none;
}

.eyebrow {
    margin-bottom: 1rem;
    color: var(--route-dark);
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.eyebrow span {
    display: inline-block;
    margin-right: .45rem;
    padding: .2rem .45rem;
    color: var(--white);
    background: var(--route);
}

.lede {
    max-width: 42rem;
    color: var(--ink-soft);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.button {
    display: inline-flex;
    min-height: 3.1rem;
    align-items: center;
    justify-content: center;
    gap: .65rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: .8rem 1.2rem;
    font-family: var(--font-display);
    font-size: .9rem;
    font-weight: 750;
    letter-spacing: .015em;
    text-decoration: none;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button--primary {
    color: var(--white);
    background: var(--ink);
    box-shadow: 5px 5px 0 var(--signal);
}

.button--primary:hover {
    background: var(--route-dark);
    box-shadow: 7px 7px 0 var(--signal);
}

.button--quiet {
    border-color: var(--line);
    color: var(--ink);
    background: rgba(255, 255, 255, .28);
}

.button--quiet:hover {
    border-color: var(--ink);
    background: var(--paper-raised);
}

.button--signal {
    color: var(--white);
    background: var(--signal);
}

.button--danger {
    border-color: color-mix(in srgb, var(--danger) 35%, transparent);
    color: var(--danger);
    background: #fff3ef;
}

.button--inverse {
    border-color: rgba(255, 255, 255, .28);
    color: var(--paper-raised);
    background: transparent;
}

.button--inverse:hover { border-color: var(--paper-raised); color: var(--ink); }

.button--small {
    min-height: 2.45rem;
    padding: .55rem .8rem;
    font-size: .78rem;
}

.button[disabled] {
    opacity: .55;
    cursor: not-allowed;
    transform: none;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-display);
    font-size: .84rem;
    font-weight: 750;
    text-decoration: none;
}

.text-link span {
    color: var(--signal);
    font-size: 1.3em;
    transition: transform .18s ease;
}

.text-link:hover span {
    transform: translateX(.25rem);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 1.1rem;
    text-decoration: none;
}

.brand__mark {
    width: 2.25rem;
    height: 2.25rem;
    color: var(--route);
}

.brand__mark svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 4;
    stroke-linecap: square;
}

.brand strong,
.brand em {
    display: block;
    line-height: .85;
    font-style: normal;
}

.brand em {
    color: var(--signal);
}

.public-header {
    position: relative;
    z-index: 5;
    display: flex;
    width: min(92rem, calc(100% - 3rem));
    min-height: 6rem;
    align-items: center;
    justify-content: space-between;
    margin: 0 auto;
    border-bottom: 1px solid var(--line);
}

.public-canvas {
    position: relative;
    overflow: hidden;
}

.public-canvas::before {
    position: absolute;
    z-index: -1;
    inset: -4rem 0 auto 52%;
    height: 45rem;
    background:
        linear-gradient(90deg, transparent 49.7%, rgba(8, 127, 114, .12) 50%, transparent 50.3%),
        linear-gradient(0deg, transparent 49.7%, rgba(8, 127, 114, .1) 50%, transparent 50.3%);
    background-size: 5rem 5rem;
    content: "";
    transform: rotate(-9deg);
}

.hero {
    display: grid;
    width: min(92rem, calc(100% - 3rem));
    min-height: min(46rem, calc(100vh - 6rem));
    grid-template-columns: minmax(0, 1.04fr) minmax(27rem, .96fr);
    align-items: center;
    gap: clamp(3rem, 7vw, 8rem);
    margin: 0 auto;
    padding: 5rem 0 6rem;
}

.hero__copy {
    position: relative;
    z-index: 2;
    animation: rise-in .65s both cubic-bezier(.2, .75, .25, 1);
}

.hero h1 {
    max-width: 11ch;
    margin-bottom: 1.6rem;
}

.hero__lede {
    max-width: 40rem;
    margin-bottom: 2rem;
    color: var(--ink-soft);
    font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.route-map {
    position: relative;
    min-height: 32rem;
    border: 1px solid var(--line);
    background:
        radial-gradient(circle at 1px 1px, rgba(16, 33, 29, .18) 1px, transparent 1.2px) 0 0 / 1.5rem 1.5rem,
        rgba(251, 250, 246, .75);
    box-shadow: var(--shadow);
    transform: rotate(1.5deg);
    animation: rise-in .75s .12s both cubic-bezier(.2, .75, .25, 1);
}

.route-map::before,
.route-map::after {
    position: absolute;
    width: 1.1rem;
    height: 1.1rem;
    border: 2px solid var(--line-strong);
    content: "";
}

.route-map::before { top: .8rem; left: .8rem; border-right: 0; border-bottom: 0; }
.route-map::after { right: .8rem; bottom: .8rem; border-top: 0; border-left: 0; }

.route-map__label {
    position: absolute;
    top: 2rem;
    left: 2rem;
    font-family: var(--font-mono);
    font-size: .66rem;
    font-weight: 800;
    letter-spacing: .12em;
}

.route-map__node {
    position: absolute;
    z-index: 2;
    display: grid;
    min-width: 10.5rem;
    grid-template-columns: 2rem 1fr;
    column-gap: .65rem;
    border: 1px solid var(--ink);
    padding: .75rem;
    background: var(--paper-raised);
    box-shadow: 4px 4px 0 var(--ink);
}

.route-map__node b {
    grid-row: 1 / 3;
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    color: var(--white);
    background: var(--ink);
    font-family: var(--font-mono);
    font-size: .72rem;
}

.route-map__node strong {
    align-self: end;
    font-family: var(--font-display);
    line-height: 1;
}

.route-map__node small {
    max-width: 14rem;
    overflow: hidden;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: .56rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.route-map__node--origin { top: 5rem; left: 11%; }
.route-map__node--android { right: 8%; bottom: 4rem; }
.route-map__node--ios { bottom: 4rem; left: 8%; }
.route-map__node--android b { background: var(--route); }
.route-map__node--ios b { background: var(--signal); }

.route-map__track {
    position: absolute;
    z-index: 1;
    background: var(--ink);
    transform-origin: left center;
}

.route-map__track::after {
    position: absolute;
    top: 50%;
    right: -.35rem;
    width: .7rem;
    height: .7rem;
    border-radius: 50%;
    background: inherit;
    content: "";
    transform: translateY(-50%);
}

.route-map__track--one {
    top: 10.5rem;
    left: 33%;
    width: 10rem;
    height: .32rem;
    transform: rotate(54deg);
    animation: track-in .65s .6s both ease-out;
}

.route-map__track--android {
    right: 24%;
    bottom: 11.4rem;
    width: 8rem;
    height: .32rem;
    background: var(--route);
    transform: rotate(52deg);
    animation: track-in .5s 1.1s both ease-out;
}

.route-map__track--ios {
    bottom: 11.4rem;
    left: 38%;
    width: 8rem;
    height: .32rem;
    background: var(--signal);
    transform: rotate(128deg);
    animation: track-in .5s 1.1s both ease-out;
}

.route-map__junction {
    position: absolute;
    z-index: 3;
    top: 51%;
    left: 49%;
    width: 1.25rem;
    height: 1.25rem;
    border: .3rem solid var(--paper-raised);
    border-radius: 50%;
    background: var(--ink);
    box-shadow: 0 0 0 .25rem var(--ink);
}

.route-map__stamp {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 4.2rem;
    height: 4.2rem;
    border: 2px solid var(--signal);
    border-radius: 50%;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 900;
    line-height: .8;
    text-align: center;
    transform: rotate(9deg);
    padding-top: 1.15rem;
}

.route-map__stamp small {
    font-size: .48rem;
    letter-spacing: .1em;
}

.movement-strip {
    display: grid;
    grid-template-columns: .7fr 1.3fr;
    gap: clamp(2rem, 6vw, 7rem);
    padding: clamp(4rem, 8vw, 8rem) max(1.5rem, calc((100vw - 92rem) / 2));
    color: var(--paper-raised);
    background: var(--ink);
}

.movement-strip .eyebrow { color: #87d2c5; }
.movement-strip h2 { max-width: 9ch; margin-bottom: 0; }

.movement-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.movement-list li {
    display: grid;
    grid-template-columns: 3rem minmax(8rem, .65fr) 1.35fr;
    gap: 1.25rem;
    align-items: baseline;
    border-top: 1px solid rgba(255, 255, 255, .22);
    padding: 1.4rem 0;
}

.movement-list li:last-child { border-bottom: 1px solid rgba(255, 255, 255, .22); }
.movement-list span { color: var(--signal); font-family: var(--font-mono); font-size: .7rem; }
.movement-list strong { font-family: var(--font-display); font-size: 1.1rem; }
.movement-list p { margin-bottom: 0; color: #b9c6c1; font-size: .9rem; }

.principle-grid {
    display: grid;
    width: min(92rem, calc(100% - 3rem));
    grid-template-columns: repeat(3, 1fr);
    margin: 0 auto;
    padding: clamp(4rem, 8vw, 8rem) 0;
}

.principle-grid article {
    min-height: 17rem;
    border: 1px solid var(--line);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    background: var(--paper-raised);
}

.principle-grid article + article { border-left: 0; }
.principle-grid__icon { display: block; margin-bottom: 4rem; color: var(--signal); font-size: 2rem; }
.principle-grid h2 { max-width: 14ch; font-size: 1.45rem; line-height: 1.05; }
.principle-grid p { max-width: 28rem; margin-bottom: 0; color: var(--ink-soft); font-size: .9rem; }

.site-footer {
    display: flex;
    width: min(92rem, calc(100% - 3rem));
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin: 0 auto;
    border-top: 1px solid var(--line);
    padding: 1.5rem 0 2rem;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: .65rem;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.site-footer b { color: var(--signal); }

/* Authentication and public resolution */
.auth-stage,
.status-stage,
.choice-stage {
    position: relative;
    display: grid;
    width: min(76rem, calc(100% - 3rem));
    min-height: calc(100vh - 12rem);
    place-items: center;
    margin: 0 auto;
    padding: 4rem 0;
}

.auth-card,
.choice-card {
    position: relative;
    width: min(100%, 42rem);
    border: 1px solid var(--ink);
    padding: clamp(2rem, 6vw, 5rem);
    background: var(--paper-raised);
    box-shadow: 10px 10px 0 var(--ink), 16px 16px 0 var(--signal);
    animation: rise-in .55s both ease-out;
}

.auth-card__marker {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--line-strong);
    font-family: var(--font-mono);
    font-size: .6rem;
    writing-mode: vertical-rl;
}

.auth-card h1,
.choice-card h1 {
    margin-bottom: 1.4rem;
    font-size: clamp(2.5rem, 6vw, 4.8rem);
}

.auth-card form {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.status-stage {
    grid-template-columns: minmax(13rem, .65fr) 1.35fr;
    place-items: center start;
    gap: clamp(2rem, 8vw, 8rem);
}

.status-code {
    color: transparent;
    font-family: var(--font-display);
    font-size: clamp(8rem, 24vw, 19rem);
    font-weight: 900;
    line-height: .75;
    -webkit-text-stroke: 2px var(--route);
}

.status-code--signal { -webkit-text-stroke-color: var(--signal); }
.status-message h1 { max-width: 10ch; margin-bottom: 1.5rem; font-size: clamp(2.7rem, 6vw, 5rem); }
.status-message .button { margin-top: 1rem; }

.choice-stage__route {
    position: absolute;
    inset: 8% 0;
    pointer-events: none;
}

.choice-stage__route span {
    position: absolute;
    display: block;
    background: var(--line);
}

.choice-stage__route span:first-child { top: 50%; left: 0; width: 50%; height: 2px; }
.choice-stage__route span:nth-child(2) { top: 20%; right: 0; width: 50%; height: 2px; transform: rotate(-21deg); transform-origin: left; }
.choice-stage__route span:last-child { right: 0; bottom: 20%; width: 50%; height: 2px; transform: rotate(21deg); transform-origin: left; }

.choice-card__code {
    position: absolute;
    top: 0;
    right: 0;
    padding: .55rem .8rem;
    color: var(--white);
    background: var(--ink);
    font-family: var(--font-mono);
    font-size: .6rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.store-choice {
    display: grid;
    gap: .9rem;
    margin-top: 2rem;
}

.store-ticket {
    display: grid;
    grid-template-columns: 3rem 1fr 2rem;
    gap: 1rem;
    align-items: center;
    border: 1px solid var(--ink);
    padding: .9rem;
    color: var(--ink);
    background: var(--white);
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease;
}

.store-ticket:hover { transform: translateX(.25rem); box-shadow: -5px 0 0 var(--route); }
.store-ticket--ios:hover { box-shadow: -5px 0 0 var(--signal); }
.store-ticket__glyph { display: grid; width: 3rem; height: 3rem; place-items: center; color: var(--white); background: var(--route); font-family: var(--font-display); font-size: 1.2rem; font-weight: 800; }
.store-ticket--ios .store-ticket__glyph { background: var(--signal); }
.store-ticket small,
.store-ticket strong { display: block; }
.store-ticket small { color: var(--ink-soft); font-family: var(--font-mono); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }
.store-ticket strong { font-family: var(--font-display); font-size: 1.1rem; }
.store-ticket__arrow { color: var(--signal); font-size: 1.4rem; }
.choice-card__note { margin: 1rem 0 0; color: var(--ink-soft); font-size: .75rem; }

/* Control room shell */
.control-shell {
    background:
        linear-gradient(rgba(16, 33, 29, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 33, 29, .035) 1px, transparent 1px),
        var(--paper);
    background-size: 2rem 2rem;
}

.rail {
    position: fixed;
    z-index: 20;
    top: 0;
    bottom: 0;
    left: 0;
    display: flex;
    width: var(--rail-width);
    flex-direction: column;
    border-right: 1px solid #2d423b;
    padding: 1.6rem;
    color: var(--paper-raised);
    background: var(--ink);
}

.brand--rail { color: var(--paper-raised); }

.system-signal {
    display: flex;
    align-items: center;
    gap: .7rem;
    margin: 2.5rem 0 2rem;
    border: 1px solid rgba(255, 255, 255, .13);
    padding: .7rem;
    background: rgba(255, 255, 255, .035);
}

.system-signal__pulse {
    position: relative;
    width: .6rem;
    height: .6rem;
    border-radius: 50%;
    background: #6ed5a9;
    box-shadow: 0 0 0 .3rem rgba(110, 213, 169, .12);
}

.system-signal small,
.system-signal strong { display: block; }
.system-signal small { color: #88a098; font-family: var(--font-mono); font-size: .52rem; letter-spacing: .07em; text-transform: uppercase; }
.system-signal strong { font-family: var(--font-display); font-size: .75rem; }

.rail-nav {
    display: grid;
    gap: .35rem;
}

.rail-nav a {
    display: grid;
    grid-template-columns: 2rem 1fr;
    gap: .65rem;
    align-items: center;
    border-left: .2rem solid transparent;
    padding: .7rem .6rem;
    color: #b9c6c1;
    font-family: var(--font-display);
    font-size: .84rem;
    font-weight: 650;
    text-decoration: none;
    transition: color .15s ease, background-color .15s ease, transform .15s ease;
}

.rail-nav a:hover { color: var(--white); background: rgba(255, 255, 255, .055); transform: translateX(.2rem); }
.rail-nav a.is-current { border-left-color: var(--signal); color: var(--white); background: rgba(255, 255, 255, .08); }
.rail-nav__number { color: #71857e; font-family: var(--font-mono); font-size: .55rem; }
.rail-nav .is-current .rail-nav__number { color: var(--signal); }

.operator-card {
    display: grid;
    grid-template-columns: 2.35rem 1fr auto;
    gap: .65rem;
    align-items: center;
    margin-top: auto;
    border-top: 1px solid #2d423b;
    padding-top: 1.25rem;
}

.operator-card__avatar {
    display: grid;
    width: 2.35rem;
    height: 2.35rem;
    place-items: center;
    color: var(--ink);
    background: var(--route-pale);
    font-family: var(--font-mono);
    font-size: .7rem;
    font-weight: 900;
}

.operator-card__identity { min-width: 0; }
.operator-card__identity strong,
.operator-card__identity small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.operator-card__identity strong { font-family: var(--font-display); font-size: .72rem; }
.operator-card__identity small { color: #8da098; font-size: .57rem; }

.icon-button {
    display: grid;
    width: 2.2rem;
    height: 2.2rem;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .13);
    color: #b9c6c1;
    background: transparent;
    cursor: pointer;
}

.icon-button:hover { color: var(--white); border-color: var(--signal); }
.icon-button svg { width: 1rem; fill: none; stroke: currentColor; stroke-linecap: square; stroke-width: 1.8; }

.control-canvas {
    min-height: 100vh;
    margin-left: var(--rail-width);
}

.control-canvas main {
    width: min(92rem, calc(100% - 4rem));
    min-height: calc(100vh - 5rem);
    margin: 0 auto;
    padding: 2.7rem 0 4rem;
}

.control-canvas .site-footer { width: min(92rem, calc(100% - 4rem)); }

.page-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1.5rem;
}

.page-head h1 {
    margin-bottom: .45rem;
    font-size: clamp(2.4rem, 5vw, 4.8rem);
}

.page-head p:not(.eyebrow) { max-width: 42rem; margin-bottom: 0; color: var(--ink-soft); }
.page-head__actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; gap: .75rem; }

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin-bottom: 2rem;
    border: 1px solid var(--line);
    background: var(--line);
}

.metric {
    min-height: 9rem;
    padding: 1.25rem;
    background: var(--paper-raised);
}

.metric__label { display: flex; justify-content: space-between; color: var(--ink-soft); font-family: var(--font-mono); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }
.metric__label b { color: var(--signal); }
.metric__value { display: block; margin-top: 1.5rem; font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 750; line-height: 1; }
.metric__note { display: block; margin-top: .35rem; color: var(--ink-soft); font-size: .68rem; }

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, .75fr);
    gap: 1.25rem;
}

.panel {
    border: 1px solid var(--line);
    background: var(--paper-raised);
    box-shadow: var(--shadow-small);
}

.panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.2rem;
}

.panel__head h2 { margin: 0; font-size: 1rem; letter-spacing: -.01em; }
.panel__body { padding: 1.2rem; }

.filter-bar { align-items: end; }
.filter-form { display: flex; flex: 1 1 auto; flex-wrap: wrap; gap: .8rem; align-items: end; }
.filter-form .field { width: min(100%, 20rem); }
.filter-form .field--narrow { width: 7rem; }
.filter-count { flex: 0 0 auto; color: var(--ink-soft); font-family: var(--font-mono); font-size: .58rem; letter-spacing: .06em; text-transform: uppercase; }

.endpoint-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; padding: 1rem; }
.endpoint-card { position: relative; display: grid; gap: 1rem; border: 1px solid var(--line); padding: 1.15rem; color: inherit; background: var(--paper-raised); text-decoration: none; transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease; }
.endpoint-card:hover { border-color: var(--route); box-shadow: 5px 5px 0 var(--route-pale); transform: translateY(-2px); }
.endpoint-card__head { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.endpoint-card h2 { margin: 0; font-size: 1.1rem; letter-spacing: -.015em; }
.endpoint-origin { display: block; overflow: hidden; color: var(--route-dark); font-family: var(--font-mono); font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }
.endpoint-host { display: inline-flex; width: fit-content; align-items: center; gap: .45rem; border: 1px solid var(--line); padding: .3rem .55rem; color: var(--ink-soft); background: var(--paper); font-family: var(--font-mono); font-size: .56rem; }
.endpoint-host::before { width: .4rem; height: .4rem; border-radius: 50%; background: var(--route); content: ""; }
.endpoint-card__meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; border-top: 1px solid var(--line); padding-top: .8rem; color: var(--ink-soft); font-size: .65rem; }
.endpoint-register { margin-top: 1.25rem; }
.endpoint-table-name { display: block; margin-top: .2rem; color: var(--ink-soft); font-family: var(--font-display); font-size: .62rem; }

.coordinate { display: grid; gap: .25rem; border-left: .22rem solid var(--route); padding: .65rem .8rem; background: var(--route-pale); }
.coordinate small { color: var(--route-dark); font-family: var(--font-mono); font-size: .5rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.coordinate strong { overflow: hidden; font-family: var(--font-display); font-size: .8rem; text-overflow: ellipsis; white-space: nowrap; }
.coordinate code { overflow: hidden; color: var(--route-dark); font-size: .58rem; text-overflow: ellipsis; white-space: nowrap; }

.infrastructure-note { border: 1px solid var(--line); padding: 1rem; background: repeating-linear-gradient(-45deg, #f3f0e8 0 8px, #eeeadf 8px 16px); }
.infrastructure-note h2 { margin-bottom: .4rem; font-size: 1rem; }
.infrastructure-note p { margin-bottom: .8rem; color: var(--ink-soft); font-size: .72rem; }
.infrastructure-checks { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0; padding: 0; list-style: none; }
.infrastructure-checks li { border: 1px solid var(--line-strong); padding: .25rem .48rem; color: var(--ink); background: var(--paper-raised); font-family: var(--font-mono); font-size: .52rem; font-weight: 750; text-transform: uppercase; }
.immutable-lock { display: grid; grid-template-columns: 2rem 1fr; gap: .75rem; align-items: start; border: 1px solid var(--route); padding: .8rem; background: var(--route-pale); }
.immutable-lock__mark { display: grid; width: 2rem; height: 2rem; place-items: center; color: var(--white); background: var(--route-dark); font-family: var(--font-mono); font-weight: 900; }
.immutable-lock strong { display: block; font-family: var(--font-display); font-size: .8rem; }
.immutable-lock p { margin: .15rem 0 0; color: var(--ink-soft); font-size: .66rem; }
.immutable-lock + .form-section { margin-top: 1.25rem; }
.qr-card .coordinate { margin-bottom: 1rem; }

.table-wrap { overflow-x: auto; }
.route-table { width: 100%; border-collapse: collapse; font-size: .83rem; }
.route-table th { padding: .75rem 1rem; color: var(--ink-soft); font-family: var(--font-mono); font-size: .56rem; letter-spacing: .08em; text-align: left; text-transform: uppercase; }
.route-table td { border-top: 1px solid var(--line); padding: .9rem 1rem; vertical-align: middle; }
.route-table tbody tr { transition: background-color .15s ease; }
.route-table tbody tr:hover { background: #f7f4ec; }
.route-table__name { font-family: var(--font-display); font-weight: 750; }
.route-table__code { color: var(--route-dark); font-family: var(--font-mono); font-size: .68rem; font-weight: 750; }
.route-table__date { color: var(--ink-soft); font-size: .72rem; white-space: nowrap; }
.route-table__actions { text-align: right; white-space: nowrap; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    border: 1px solid currentColor;
    border-radius: 999px;
    padding: .18rem .5rem;
    font-family: var(--font-mono);
    font-size: .52rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.badge::before { width: .38rem; height: .38rem; border-radius: 50%; background: currentColor; content: ""; }
.badge--active { color: var(--route-dark); background: #e2f2ed; }
.badge--retired { color: #716c64; background: #ebe7df; }
.badge--warning { color: #8a5700; background: #fff2d2; }
.badge--admin { color: var(--signal-dark); background: #ffede6; }

.empty-state {
    display: grid;
    min-height: 22rem;
    place-items: center;
    padding: 3rem;
    text-align: center;
}

.empty-state__mark { position: relative; width: 6rem; height: 6rem; margin: 0 auto 1.5rem; border: 2px solid var(--route); border-radius: 50%; }
.empty-state__mark::before,
.empty-state__mark::after { position: absolute; top: 50%; left: 50%; background: var(--signal); content: ""; transform: translate(-50%, -50%); }
.empty-state__mark::before { width: 2px; height: 8rem; }
.empty-state__mark::after { width: 8rem; height: 2px; }
.empty-state h2 { margin-bottom: .65rem; font-size: 1.6rem; }
.empty-state p { max-width: 30rem; margin: 0 auto 1.25rem; color: var(--ink-soft); }
.empty-state--short { min-height: 15rem; }

.alert {
    display: grid;
    grid-template-columns: 2rem 1fr;
    gap: .8rem;
    align-items: start;
    margin-bottom: 1.25rem;
    border: 1px solid currentColor;
    border-left-width: .35rem;
    padding: .9rem 1rem;
    color: var(--route-dark);
    background: #e5f5f0;
}

.alert--warning { color: #7a4c00; background: #fff3d8; }
.alert--danger { color: var(--danger); background: #fff0eb; }
.alert__mark { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 900; }
.alert strong { display: block; font-family: var(--font-display); }
.alert p { margin: .2rem 0 0; font-size: .78rem; }

.mapping-form {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(18rem, .65fr);
    gap: 1.25rem;
    align-items: start;
}

.form-section {
    border: 1px solid var(--line);
    padding: clamp(1.25rem, 3vw, 2rem);
    background: var(--paper-raised);
}

.form-section + .form-section { margin-top: 1.25rem; }
.form-section__head { display: grid; grid-template-columns: 2.2rem 1fr; gap: .8rem; margin-bottom: 1.5rem; }
.form-section__number { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; color: var(--white); background: var(--ink); font-family: var(--font-mono); font-size: .62rem; }
.form-section__head h2 { margin: 0 0 .25rem; font-size: 1.15rem; letter-spacing: -.015em; }
.form-section__head p { margin: 0; color: var(--ink-soft); font-size: .75rem; }

.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.field { display: grid; gap: .38rem; }
.field--wide { grid-column: 1 / -1; }
.field label { font-family: var(--font-display); font-size: .72rem; font-weight: 750; }
.field label span { color: var(--danger); }
.field input,
.field select,
.field textarea {
    width: 100%;
    min-height: 3rem;
    border: 1px solid var(--line-strong);
    border-radius: 0;
    padding: .7rem .8rem;
    color: var(--ink);
    background: var(--white);
    transition: border-color .15s ease, box-shadow .15s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--route); outline: 0; box-shadow: 0 0 0 3px rgba(8, 127, 114, .15); }
.field input[readonly] { color: var(--ink-soft); background: var(--paper-deep); }
.field__hint { color: var(--ink-soft); font-size: .66rem; }
.field__error,
.validation-summary-errors { color: var(--danger); font-size: .72rem; }
.field__error:empty { display: none; }
.input-validation-error { border-color: var(--danger) !important; }
.validation-summary-errors ul { margin: 0; padding-left: 1.2rem; }
.validation-summary-valid { display: none; }

.platform-field {
    display: grid;
    grid-template-columns: 3.25rem 1fr;
    gap: .85rem;
    align-items: center;
    border-top: 1px solid var(--line);
    padding: 1rem 0;
}

.platform-field:last-child { border-bottom: 1px solid var(--line); }
.platform-field__marker { display: grid; width: 3.25rem; height: 3.25rem; place-items: center; color: var(--white); background: var(--route); font-family: var(--font-display); font-weight: 850; }
.platform-field--ios .platform-field__marker { background: var(--signal); }
.platform-field--fallback .platform-field__marker { color: var(--ink); background: var(--paper-deep); }

.form-aside { position: sticky; top: 1.25rem; }
.form-aside__route { border: 1px solid var(--ink); padding: 1.25rem; color: var(--paper-raised); background: var(--ink); }
.form-aside__route h2 { margin-bottom: .5rem; font-size: 1.1rem; }
.form-aside__route p { color: #a9bab4; font-size: .72rem; }
.form-aside__actions { display: grid; gap: .75rem; margin-top: 1.5rem; }
.form-aside__actions .button { width: 100%; }

.route-preview { display: grid; grid-template-columns: auto 1fr auto; align-items: center; margin: 1.5rem 0 .4rem; }
.route-preview__line { height: 2px; background: var(--signal); }
.route-preview__station { display: grid; min-width: 2.6rem; height: 2.6rem; place-items: center; border: 2px solid var(--route-pale); border-radius: 50%; padding: 0 .4rem; color: var(--paper-raised); background: var(--ink); font-family: var(--font-mono); font-size: .55rem; font-weight: 800; }
.route-preview__station--end { border-color: var(--signal); }

.detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(20rem, .75fr);
    gap: 1.25rem;
    align-items: start;
}

.detail-stack { display: grid; gap: 1.25rem; }
.state-panel p { margin-bottom: 1rem; color: var(--ink-soft); font-size: .78rem; }
.muted-copy { margin: 0; color: var(--ink-soft); font-size: .78rem; }

.fact-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; }
.fact-list div { border-bottom: 1px solid var(--line); padding: 1rem 1.2rem; }
.fact-list div:nth-child(odd) { border-right: 1px solid var(--line); }
.fact-list dt { color: var(--ink-soft); font-family: var(--font-mono); font-size: .54rem; letter-spacing: .08em; text-transform: uppercase; }
.fact-list dd { margin: .3rem 0 0; font-family: var(--font-display); font-size: .9rem; font-weight: 700; overflow-wrap: anywhere; }

.destination-list { display: grid; gap: .75rem; }
.destination { display: grid; grid-template-columns: 2.4rem 1fr auto; gap: .75rem; align-items: center; border: 1px solid var(--line); padding: .75rem; }
.destination__marker { display: grid; width: 2.4rem; height: 2.4rem; place-items: center; color: var(--white); background: var(--route); font-family: var(--font-mono); font-size: .62rem; font-weight: 900; }
.destination--ios .destination__marker { background: var(--signal); }
.destination--fallback .destination__marker { color: var(--ink); background: var(--paper-deep); }
.destination small,
.destination strong { display: block; }
.destination small { color: var(--ink-soft); font-family: var(--font-mono); font-size: .52rem; text-transform: uppercase; }
.destination strong { max-width: 34rem; overflow: hidden; font-family: var(--font-mono); font-size: .63rem; text-overflow: ellipsis; white-space: nowrap; }

.qr-card { position: relative; overflow: hidden; border: 1px solid var(--ink); padding: 1.2rem; background: var(--paper-raised); box-shadow: 7px 7px 0 var(--route); }
.qr-card::before { position: absolute; top: 0; right: 0; width: 4rem; height: 4rem; border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); background: repeating-linear-gradient(45deg, transparent 0 5px, rgba(16, 33, 29, .08) 5px 6px); content: ""; }
.qr-card img { width: min(100%, 18rem); aspect-ratio: 1; margin: 0 auto 1rem; border: 1px solid var(--line); padding: .65rem; background: var(--white); }
.qr-card__caption { border-top: 1px solid var(--line); padding-top: .8rem; }
.qr-card__caption code { display: block; overflow: hidden; color: var(--route-dark); font-family: var(--font-mono); font-size: .62rem; text-overflow: ellipsis; white-space: nowrap; }
.qr-card__actions { display: flex; gap: .6rem; margin-top: .8rem; }

.audit-list { position: relative; margin: 0; padding: 0 0 0 1.4rem; list-style: none; }
.audit-list::before { position: absolute; top: .5rem; bottom: .5rem; left: .27rem; width: 2px; background: var(--line); content: ""; }
.audit-entry { position: relative; display: grid; grid-template-columns: minmax(8rem, .25fr) 1fr auto; gap: 1rem; border-bottom: 1px solid var(--line); padding: 1rem 0; }
.audit-entry::before { position: absolute; top: 1.35rem; left: -1.4rem; width: .65rem; height: .65rem; border: 2px solid var(--paper-raised); border-radius: 50%; background: var(--route); box-shadow: 0 0 0 1px var(--route); content: ""; }
.audit-entry:first-child::before { background: var(--signal); box-shadow: 0 0 0 1px var(--signal); }
.audit-entry time { color: var(--ink-soft); font-family: var(--font-mono); font-size: .58rem; }
.audit-entry strong { display: block; font-family: var(--font-display); font-size: .85rem; }
.audit-entry p { margin: .2rem 0 0; color: var(--ink-soft); font-size: .68rem; }
.audit-entry__revision { color: var(--route-dark); font-family: var(--font-mono); font-size: .58rem; }

.movement-list--compact { color: var(--ink); }
.movement-list--compact li { grid-template-columns: 2rem 1fr; gap: .4rem .65rem; border-color: var(--line); padding: .9rem 0; }
.movement-list--compact li:last-child { border-color: var(--line); }
.movement-list--compact strong { font-size: .85rem; }
.movement-list--compact p { grid-column: 2; color: var(--ink-soft); font-size: .7rem; }

.conflict-panel { margin-bottom: 1.25rem; border: 1px solid #a66b00; border-top: .45rem solid var(--warning); padding: clamp(1rem, 3vw, 1.6rem); background: #fff7e4; box-shadow: var(--shadow-small); }
.conflict-panel__head { display: grid; grid-template-columns: 2rem 1fr; gap: .9rem; }
.conflict-panel__head h2 { margin-bottom: .4rem; font-size: 1.35rem; }
.conflict-panel__head p:last-child { max-width: 58rem; margin-bottom: 0; color: #684b16; font-size: .78rem; }
.comparison-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 1.25rem; border: 1px solid #d3b46d; background: #d3b46d; }
.comparison-grid article { min-width: 0; padding: 1rem; background: #fffaf0; }
.comparison-grid__current { background: var(--paper-raised) !important; }
.comparison-grid__label { color: #79530b; font-family: var(--font-mono); font-size: .55rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.comparison-grid h3 { margin: .55rem 0 .8rem; }
.comparison-grid dl { display: grid; gap: .55rem; margin: 0; }
.comparison-grid dl div { min-width: 0; }
.comparison-grid dt { color: var(--ink-soft); font-family: var(--font-mono); font-size: .5rem; text-transform: uppercase; }
.comparison-grid dd { margin: .15rem 0 0; overflow: hidden; font-family: var(--font-mono); font-size: .6rem; text-overflow: ellipsis; white-space: nowrap; }
.conflict-panel__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }

.audit-board { padding: 1.2rem; }
.audit-board__route { display: grid; grid-template-columns: 1fr 1fr auto; gap: 1px; margin-bottom: 1rem; border: 1px solid var(--line); background: var(--line); }
.audit-board__route > span { min-width: 0; padding: .8rem; background: var(--paper); }
.audit-board__route small,
.audit-board__route strong,
.audit-board__route code { display: block; }
.audit-board__route small { color: var(--ink-soft); font-family: var(--font-mono); font-size: .5rem; letter-spacing: .06em; text-transform: uppercase; }
.audit-board__route strong { margin-top: .25rem; font-family: var(--font-display); font-size: .82rem; }
.audit-board__route code { margin-top: .25rem; overflow: hidden; color: var(--route-dark); font-size: .65rem; text-overflow: ellipsis; white-space: nowrap; }
.audit-list--full { padding-left: 1.8rem; }
.audit-list--full .audit-entry::before { left: -1.8rem; }
.audit-correlation { display: inline-block; max-width: 100%; margin-top: .4rem; overflow: hidden; color: var(--route-dark); font-size: .56rem; text-overflow: ellipsis; white-space: nowrap; }
.audit-details { margin-top: .6rem; }
.audit-details summary { width: fit-content; color: var(--route-dark); font-family: var(--font-display); font-size: .68rem; font-weight: 750; cursor: pointer; }
.audit-details pre { max-height: 24rem; overflow: auto; margin: .6rem 0 0; border: 1px solid var(--line); padding: .8rem; color: var(--paper-raised); background: var(--ink); font-family: var(--font-mono); font-size: .58rem; line-height: 1.55; white-space: pre-wrap; }

.flash {
    margin-bottom: 1.25rem;
    border: 1px solid var(--route);
    border-left: .4rem solid var(--route);
    padding: .8rem 1rem;
    background: #e4f3ee;
    font-size: .8rem;
}

@keyframes rise-in {
    from { opacity: 0; transform: translateY(1.2rem); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes track-in {
    from { opacity: 0; scale: 0 1; }
    to { opacity: 1; scale: 1 1; }
}

@media (max-width: 74rem) {
    .hero { grid-template-columns: 1fr; }
    .hero__copy { max-width: 50rem; }
    .route-map { width: min(100%, 42rem); }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .mapping-form,
    .detail-grid { grid-template-columns: 1fr; }
    .form-aside { position: static; }
}

@media (max-width: 58rem) {
    :root { --rail-width: 100%; }
    .rail { position: relative; width: 100%; min-height: auto; padding: 1rem 1.25rem; }
    .system-signal { display: none; }
    .rail-nav { display: flex; gap: .2rem; margin-top: 1rem; overflow-x: auto; }
    .rail-nav a { flex: 0 0 auto; }
    .operator-card { position: absolute; top: .8rem; right: 1.1rem; width: min(48%, 19rem); border: 0; padding: 0; }
    .operator-card__identity { display: none; }
    .operator-card { grid-template-columns: 2.35rem auto; justify-content: end; }
    .control-canvas { margin-left: 0; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .movement-strip { grid-template-columns: 1fr; }
    .movement-strip h2 { max-width: none; }
    .principle-grid { grid-template-columns: 1fr; }
    .principle-grid article + article { border-top: 0; border-left: 1px solid var(--line); }
    .principle-grid__icon { margin-bottom: 2rem; }
    .status-stage { grid-template-columns: 1fr; gap: 1rem; }
    .status-code { font-size: 9rem; }
    .endpoint-grid { grid-template-columns: 1fr; }
}

@media (max-width: 42rem) {
    .public-header,
    .hero,
    .principle-grid,
    .site-footer,
    .auth-stage,
    .choice-stage,
    .status-stage { width: min(100% - 2rem, 92rem); }
    .public-header { min-height: 4.8rem; }
    .public-header .text-link { font-size: .72rem; }
    .hero { min-height: auto; padding: 4rem 0; }
    .hero h1 { font-size: clamp(3rem, 17vw, 5rem); }
    .route-map { min-height: 27rem; }
    .route-map__node { min-width: 8.5rem; }
    .route-map__node--origin { left: 7%; }
    .route-map__node--android { right: 4%; }
    .route-map__node--ios { left: 4%; }
    .route-map__stamp { width: 3.4rem; height: 3.4rem; padding-top: .9rem; }
    .movement-list li { grid-template-columns: 2rem 1fr; }
    .movement-list p { grid-column: 2; }
    .site-footer { align-items: flex-start; flex-direction: column; gap: .4rem; }
    .auth-card,
    .choice-card { padding: 3rem 1.35rem 2rem; box-shadow: 6px 6px 0 var(--ink), 10px 10px 0 var(--signal); }
    .control-canvas main,
    .control-canvas .site-footer { width: min(100% - 2rem, 92rem); }
    .control-canvas main { padding-top: 2rem; }
    .page-head { align-items: stretch; flex-direction: column; }
    .page-head__actions .button { flex: 1; }
    .metric-grid { grid-template-columns: 1fr 1fr; }
    .metric { min-height: 7.5rem; padding: 1rem; }
    .metric__value { margin-top: 1rem; }
    .field-grid,
    .fact-list { grid-template-columns: 1fr; }
    .fact-list div:nth-child(odd) { border-right: 0; }
    .audit-entry { grid-template-columns: 1fr auto; }
    .audit-entry time { grid-column: 1 / -1; }
    .comparison-grid,
    .audit-board__route { grid-template-columns: 1fr; }
    .filter-bar { align-items: stretch; flex-direction: column; }
    .filter-form .field,
    .filter-form .field--narrow { width: 100%; }
    .filter-form .button { width: 100%; }
    .destination { grid-template-columns: 2.4rem minmax(0, 1fr); }
    .destination .text-link { grid-column: 2; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *,
    *::before,
    *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
    .rail,
    .public-header,
    .site-footer,
    .page-head__actions,
    .button,
    .icon-button { display: none !important; }
    .control-canvas { margin: 0; }
    body { background: #fff; }
    .panel,
    .form-section,
    .qr-card { box-shadow: none; }
}