:root {
    color-scheme: light dark;
    --font-body: "Inter", system-ui, sans-serif;
    --font-display: "Space Grotesk", var(--font-body);
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-subtle: #edf1f4;
    --border: #dce2e7;
    --text: #111a21;
    --text-muted: #62717d;
    --accent: #0d8f88;
    --accent-strong: #08736d;
    --accent-soft: #d9f4f1;
    --violet: #7357d8;
    --amber: #d88922;
    --positive: #1f9d68;
    --danger: #b33a4a;
    --danger-soft: #fae7ea;
    --shadow: 0 18px 50px rgb(26 41 52 / 10%);
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #091015;
    --surface: #10191f;
    --surface-raised: #152129;
    --surface-subtle: #1b2830;
    --border: #273740;
    --text: #eff6f7;
    --text-muted: #99aab3;
    --accent: #5de1d5;
    --accent-strong: #8aebe3;
    --accent-soft: #143c3a;
    --violet: #a78bfa;
    --amber: #f2b65f;
    --positive: #58d59b;
    --danger: #ff8292;
    --danger-soft: #3d1c24;
    --shadow: 0 22px 60px rgb(0 0 0 / 35%);
}

@media (prefers-color-scheme: dark) {
    :root[data-theme="system"] {
        color-scheme: dark;
        --bg: #091015;
        --surface: #10191f;
        --surface-raised: #152129;
        --surface-subtle: #1b2830;
        --border: #273740;
        --text: #eff6f7;
        --text-muted: #99aab3;
        --accent: #5de1d5;
        --accent-strong: #8aebe3;
        --accent-soft: #143c3a;
        --violet: #a78bfa;
        --amber: #f2b65f;
        --positive: #58d59b;
        --danger: #ff8292;
        --danger-soft: #3d1c24;
        --shadow: 0 22px 60px rgb(0 0 0 / 35%);
    }
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.55;
}

button,
select,
a {
    font: inherit;
}

a {
    color: inherit;
}

button,
select,
a:focus-visible {
    outline-color: var(--accent);
    outline-offset: 3px;
}

.app-shell {
    min-height: 100vh;
}

.nav-drawer {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    display: flex;
    width: 264px;
    flex-direction: column;
    padding: 24px 18px 18px;
    border-right: 1px solid var(--border);
    background: var(--surface);
}

.brand-block,
.brand,
.top-bar,
.header-controls,
.preference-control,
.environment-pill,
.hero-actions {
    display: flex;
    align-items: center;
}

.brand-block {
    justify-content: space-between;
}

.brand {
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 13px;
    background: var(--accent);
    color: #071614;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-family: var(--font-display);
    font-size: 20px;
    letter-spacing: .08em;
}

.brand small {
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.primary-nav {
    display: grid;
    gap: 7px;
    margin-top: 46px;
}

.primary-nav a {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 11px 13px;
    border-radius: 11px;
    color: var(--text-muted);
    font-weight: 600;
    text-decoration: none;
}

.primary-nav a:hover {
    background: var(--surface-subtle);
    color: var(--text);
}

.primary-nav a.active {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.nav-icon {
    width: 24px;
    font-size: 19px;
    text-align: center;
}

.nav-note,
.environment-pill,
.privacy-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
}

.nav-note {
    margin-top: auto;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface-subtle);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--positive);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--positive) 16%, transparent);
}

.version-label {
    padding-top: 18px;
    color: var(--text-muted);
    font-size: 12px;
    text-align: center;
}

.page-shell {
    min-height: 100vh;
    margin-left: 264px;
}

.top-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    min-height: 72px;
    justify-content: space-between;
    gap: 24px;
    padding: 12px clamp(22px, 5vw, 72px);
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(18px);
}

.header-controls {
    gap: 10px;
}

.preference-control {
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
}

.preference-control select {
    min-height: 38px;
    padding: 0 30px 0 11px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface);
    color: var(--text);
}

.icon-button {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
}

.drawer-toggle,
.drawer-close {
    display: none;
}

.main-content {
    width: min(1180px, calc(100% - 44px));
    margin: 0 auto;
    padding: clamp(44px, 7vw, 92px) 0 88px;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
    align-items: center;
    gap: clamp(42px, 7vw, 100px);
    min-height: 520px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin-top: 0;
    font-family: var(--font-display);
    line-height: 1.08;
}

h1 {
    max-width: 760px;
    margin-bottom: 22px;
    font-size: clamp(43px, 6vw, 76px);
    letter-spacing: -.045em;
}

h2 {
    margin-bottom: 16px;
    font-size: clamp(30px, 4vw, 48px);
    letter-spacing: -.035em;
}

h3 {
    font-size: 21px;
}

.hero-lead,
.section-heading > p:last-child,
.page-intro > p:last-child {
    max-width: 720px;
    color: var(--text-muted);
    font-size: 18px;
}

.hero-actions {
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    min-height: 45px;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border: 1px solid transparent;
    border-radius: 11px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 150ms ease, background 150ms ease;
}

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

.button-primary {
    background: var(--accent);
    color: #071614;
}

.button-secondary {
    border-color: var(--border);
    background: var(--surface);
}

.rig-visual {
    position: relative;
    min-height: 430px;
    border: 1px solid var(--border);
    border-radius: 32px;
    overflow: hidden;
    background: radial-gradient(circle at 50% 45%, var(--accent-soft), transparent 40%), var(--surface);
    box-shadow: var(--shadow);
}

.rig-core {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    display: grid;
    width: 164px;
    height: 164px;
    place-content: center;
    border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
    border-radius: 50%;
    background: var(--surface-raised);
    box-shadow: 0 0 60px color-mix(in srgb, var(--accent) 22%, transparent);
    text-align: center;
    transform: translate(-50%, -50%);
}

.rig-core strong,
.rig-core small,
.core-kicker {
    display: block;
}

.core-kicker {
    color: var(--accent-strong);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .2em;
}

.rig-core strong {
    margin: 5px 0;
    font-family: var(--font-display);
    font-size: 20px;
}

.rig-core small {
    color: var(--text-muted);
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px dashed color-mix(in srgb, var(--accent) 32%, var(--border));
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.orbit-one {
    width: 285px;
    height: 285px;
}

.orbit-two {
    width: 390px;
    height: 390px;
}

.node {
    position: absolute;
    z-index: 3;
    padding: 7px 11px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-raised);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.node-stick { top: 16%; left: 12%; }
.node-motion { top: 21%; right: 9%; }
.node-haptics { bottom: 18%; left: 10%; }
.node-panels { right: 12%; bottom: 13%; }

.status-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin: 36px 0 110px;
    border: 1px solid var(--border);
    border-radius: 17px;
    background: var(--surface);
}

.status-strip > div {
    padding: 18px 22px;
}

.status-strip > div + div {
    border-left: 1px solid var(--border);
}

.status-strip span,
.status-strip strong {
    display: block;
}

.status-strip span {
    color: var(--text-muted);
    font-size: 12px;
}

.status-strip strong {
    margin-top: 4px;
    font-size: 14px;
}

.section-block {
    scroll-margin-top: 100px;
}

.section-heading {
    max-width: 780px;
    margin-bottom: 36px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    min-height: 260px;
    padding: 26px;
    border: 1px solid var(--border);
    border-top: 3px solid var(--accent);
    border-radius: 16px;
    background: var(--surface);
}

.feature-card.accent-violet { border-top-color: var(--violet); }
.feature-card.accent-amber { border-top-color: var(--amber); }

.feature-card p {
    color: var(--text-muted);
}

.feature-index {
    display: block;
    margin-bottom: 45px;
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 12px;
}

.page-intro {
    max-width: 820px;
    margin-bottom: 50px;
}

.page-intro h1 {
    font-size: clamp(42px, 6vw, 68px);
}

.empty-state {
    padding: clamp(34px, 6vw, 70px);
    border: 1px dashed var(--border);
    border-radius: 22px;
    background: var(--surface);
    text-align: center;
}

.empty-state.compact {
    max-width: 780px;
}

.empty-state p {
    max-width: 650px;
    margin-right: auto;
    margin-left: auto;
    color: var(--text-muted);
}

.empty-icon {
    display: block;
    color: var(--accent);
    font-size: 42px;
}

.privacy-chip {
    display: inline-flex;
    margin-top: 18px;
    padding: 7px 11px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.drawer-scrim {
    display: none;
}

@media (max-width: 920px) {
    .nav-drawer {
        transform: translateX(-102%);
        transition: transform 180ms ease;
    }

    .nav-drawer-open {
        transform: translateX(0);
    }

    .drawer-close,
    .drawer-toggle {
        display: grid;
    }

    .drawer-scrim {
        position: fixed;
        inset: 0;
        z-index: 15;
        display: block;
        width: 100%;
        border: 0;
        background: rgb(0 0 0 / 45%);
    }

    .page-shell {
        margin-left: 0;
    }

    .top-bar {
        justify-content: flex-start;
    }

    .environment-pill {
        display: none;
    }

    .header-controls {
        margin-left: auto;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .rig-visual {
        min-height: 390px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .top-bar {
        gap: 10px;
        padding: 10px 14px;
    }

    .preference-control > span {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
    }

    .preference-control select {
        max-width: 112px;
    }

    .main-content {
        width: min(100% - 28px, 1180px);
        padding-top: 50px;
    }

    h1 {
        font-size: clamp(39px, 13vw, 56px);
    }

    .rig-visual {
        min-height: 340px;
    }

    .orbit-two {
        width: 315px;
        height: 315px;
    }

    .status-strip {
        grid-template-columns: 1fr;
        margin-bottom: 78px;
    }

    .status-strip > div + div {
        border-top: 1px solid var(--border);
        border-left: 0;
    }
}

/* Account and personal inventory */
.header-controls {
    flex-wrap: wrap;
    justify-content: flex-end;
}

.account-menu {
    display: flex;
    min-height: 38px;
    align-items: center;
    gap: 8px;
    padding-right: 10px;
    border-right: 1px solid var(--border);
}

.account-menu form {
    display: contents;
}

.account-name {
    max-width: 180px;
    overflow: hidden;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.header-link {
    padding: 7px 9px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.header-link:hover {
    background: var(--surface-subtle);
    color: var(--text);
}

.header-link-accent {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.button-wide {
    width: 100%;
}

.centered-actions {
    justify-content: center;
}

.inventory-intro {
    display: flex;
    max-width: none;
    align-items: end;
    justify-content: space-between;
    gap: 28px;
}

.inventory-intro > div {
    max-width: 820px;
}

.auth-page {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 480px);
    align-items: center;
    gap: clamp(46px, 8vw, 120px);
    min-height: calc(100vh - 252px);
}

.auth-copy h1 {
    font-size: clamp(46px, 6vw, 72px);
}

.auth-copy > p:last-of-type,
.auth-assurance span {
    color: var(--text-muted);
    font-size: 17px;
}

.auth-assurance {
    display: grid;
    gap: 5px;
    margin-top: 34px;
    padding: 20px;
    border-left: 3px solid var(--accent);
    background: var(--accent-soft);
}

.auth-benefits {
    display: grid;
    gap: 14px;
    margin: 32px 0 0;
    padding: 0;
    list-style: none;
}

.auth-benefits li {
    position: relative;
    padding-left: 28px;
    color: var(--text-muted);
}

.auth-benefits li::before {
    position: absolute;
    left: 0;
    color: var(--accent-strong);
    content: "✓";
    font-weight: 800;
}

.auth-card,
.editor-panel {
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.auth-card {
    padding: clamp(28px, 4vw, 42px);
}

.auth-card h2 {
    font-size: 28px;
}

.auth-card form {
    display: grid;
    gap: 18px;
}

.form-field {
    display: grid;
    gap: 7px;
}

.form-field > span,
.check-field {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    min-height: 45px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface-raised);
    color: var(--text);
    font: inherit;
}

.form-field textarea {
    resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--accent);
    outline: 3px solid color-mix(in srgb, var(--accent) 20%, transparent);
}

.form-field small {
    color: var(--text-muted);
    font-size: 12px;
}

.check-field {
    display: flex;
    align-items: center;
    gap: 9px;
}

.check-field input {
    width: 17px;
    height: 17px;
    accent-color: var(--accent);
}

.auth-switch {
    margin: 24px 0 0;
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

.auth-switch a {
    color: var(--accent-strong);
    font-weight: 700;
}

.form-message {
    margin-bottom: 20px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
}

.form-message-error {
    border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
    background: var(--danger-soft);
    color: var(--danger);
}

.form-message-success {
    border-color: color-mix(in srgb, var(--positive) 45%, var(--border));
    background: color-mix(in srgb, var(--positive) 12%, var(--surface));
    color: var(--positive);
}

.editor-panel {
    margin-bottom: 34px;
    padding: clamp(26px, 5vw, 46px);
}

.editor-heading,
.inventory-card-heading,
.inventory-summary,
.form-actions,
.card-actions {
    display: flex;
    align-items: center;
}

.editor-heading {
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
}

.editor-heading h2 {
    margin-bottom: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.form-field-wide {
    grid-column: 1 / -1;
}

.form-actions {
    justify-content: flex-end;
    gap: 10px;
    margin-top: 28px;
}

.inventory-section {
    display: grid;
    gap: 20px;
}

.inventory-summary {
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
}

.inventory-summary .privacy-chip {
    margin-top: 0;
}

.inventory-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.inventory-card {
    display: flex;
    min-height: 330px;
    flex-direction: column;
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
}

.inventory-card-heading {
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.inventory-card h2 {
    margin: 5px 0 0;
    font-size: 25px;
}

.item-kind {
    color: var(--accent-strong);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.state-chip,
.tag-list span {
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--surface-subtle);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
}

.item-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 20px;
    margin: 24px 0;
}

.item-details div {
    min-width: 0;
}

.item-details dt {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.item-details dd {
    margin: 3px 0 0;
    overflow: hidden;
    font-size: 14px;
    font-weight: 600;
    text-overflow: ellipsis;
}

.serial-value {
    font-family: ui-monospace, monospace;
}

.configuration-note {
    padding: 14px;
    border-left: 3px solid var(--violet);
    background: var(--surface-subtle);
}

.configuration-note strong {
    font-size: 12px;
}

.configuration-note p {
    margin: 4px 0 0;
    color: var(--text-muted);
    font-size: 13px;
    white-space: pre-wrap;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
}

.card-actions {
    gap: 14px;
    margin-top: auto;
    padding-top: 24px;
}

.button-link {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--accent-strong);
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
}

.button-link:hover {
    text-decoration: underline;
}

.danger-link {
    color: var(--danger);
}

.loading-mark {
    display: inline-block;
    width: 34px;
    height: 34px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 700ms linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 920px) {
    .auth-page {
        grid-template-columns: 1fr;
        min-height: 0;
    }
}

@media (max-width: 1320px) and (min-width: 921px) {
    .top-bar .environment-pill,
    .account-name {
        display: none;
    }
}

@media (max-width: 760px) {
    .inventory-intro {
        align-items: flex-start;
        flex-direction: column;
    }

    .inventory-grid {
        grid-template-columns: 1fr;
    }

    .account-name {
        display: none;
    }
}

@media (max-width: 620px) {
    .account-menu {
        order: 3;
        width: 100%;
        justify-content: flex-end;
        padding: 7px 0 0;
        border-top: 1px solid var(--border);
        border-right: 0;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-field-wide {
        grid-column: auto;
    }
}