/* OpsStone UI Reshape - visual system and shell */
:root {
    --os-bg: #f5f7fb;
    --os-surface: #ffffff;
    --os-surface-soft: #f8fafc;
    --os-surface-subtle: #f1f4f8;
    --os-ink: #172033;
    --os-ink-strong: #0c1424;
    --os-muted: #6b7588;
    --os-muted-2: #8993a5;
    --os-line: #e5e9f0;
    --os-line-strong: #d7dde7;
    --os-primary: #3659e3;
    --os-primary-strong: #2848c9;
    --os-primary-soft: #eef2ff;
    --os-success: #167a55;
    --os-success-soft: #eaf8f1;
    --os-warning: #a86612;
    --os-warning-soft: #fff6e6;
    --os-danger: #b83b49;
    --os-danger-soft: #fff0f1;
    --os-sidebar: #101827;
    --os-sidebar-2: #141e30;
    --os-sidebar-text: #d6dce7;
    --os-sidebar-muted: #7e8a9e;
    --os-radius: 14px;
    --os-radius-sm: 10px;
    --os-shadow: 0 1px 2px rgba(16, 24, 40, .03), 0 10px 28px rgba(16, 24, 40, .04);
    --os-shadow-hover: 0 12px 32px rgba(16, 24, 40, .08);
}

html, body {
    background: var(--os-bg);
    color: var(--os-ink);
    font-family: Inter, "Segoe UI Variable", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

body { overflow-x: hidden; }
::selection { background: #dce4ff; color: var(--os-ink-strong); }
a { text-underline-offset: 2px; }

/* Main application shell */
.os-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 258px minmax(0, 1fr);
    background: var(--os-bg);
}

.os-sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 20px 14px 16px;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--os-sidebar) 0%, #0d1523 100%);
    border-right: 1px solid rgba(255,255,255,.04);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #253147 transparent;
}

.os-brand {
    height: 58px;
    padding: 7px 8px 15px;
    display: flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    text-decoration: none;
}

.os-brand__mark {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: linear-gradient(145deg, #5875f2, #3659e3);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.16), 0 6px 18px rgba(54,89,227,.25);
    color: white;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .06em;
}

.os-brand__copy { display: grid; gap: 2px; min-width: 0; }
.os-brand__copy strong { font-size: 16px; letter-spacing: -.01em; }
.os-brand__copy small { color: #8793a7; font-size: 11px; }

.os-nav { display: grid; gap: 17px; padding: 8px 2px 18px; }
.os-nav__primary,
.os-nav__section { display: grid; gap: 3px; }
.os-nav__label {
    padding: 4px 11px 5px;
    color: var(--os-sidebar-muted);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.os-nav__link {
    min-height: 37px;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 9px;
    color: #aeb8c8;
    text-decoration: none;
    font-size: 13px;
    font-weight: 620;
    transition: background .15s ease, color .15s ease, transform .15s ease;
}
.os-nav__link:hover { background: rgba(255,255,255,.055); color: #fff; }
.os-nav__link.active { background: rgba(86,116,244,.15); color: #fff; }
.os-nav__link.active .os-nav__dot { background: #7290ff; box-shadow: 0 0 0 3px rgba(114,144,255,.12); }
.os-nav__link--customer { color: #dfe5ef; }
.os-nav__dot { width: 5px; height: 5px; flex: 0 0 auto; border-radius: 999px; background: #566278; }

.os-sidebar__footer {
    margin-top: auto;
    padding-top: 12px;
    display: grid;
    gap: 10px;
    border-top: 1px solid rgba(255,255,255,.07);
}
.os-nav__settings { margin: 0 2px; }
.os-user-card {
    padding: 10px;
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr) 26px;
    align-items: center;
    gap: 9px;
    border-radius: 11px;
    background: rgba(255,255,255,.035);
    border: 1px solid rgba(255,255,255,.05);
}
.os-user-card__avatar {
    width: 32px; height: 32px; display: grid; place-items: center;
    border-radius: 9px; background: #26344d; color: #e9edf5;
    font-size: 10px; font-weight: 800;
}
.os-user-card__copy { min-width: 0; display: grid; gap: 1px; }
.os-user-card__copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #edf1f7; font-size: 11px; }
.os-user-card__copy small { color: #8490a4; font-size: 10px; }
.os-user-card__signout { width: 26px; height: 26px; border: 0; border-radius: 7px; background: transparent; color: #8895a9; cursor: pointer; }
.os-user-card__signout:hover { background: rgba(255,255,255,.06); color: #fff; }

.os-workspace-shell { min-width: 0; min-height: 100vh; }
.os-topbar {
    height: 64px;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--os-line);
}
.os-topbar__context { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.os-topbar__context span { color: var(--os-muted-2); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.os-topbar__context strong { color: var(--os-ink-strong); font-size: 14px; }
.os-topbar__utilities { display: flex; align-items: center; gap: 9px; }
.os-utility-link { padding: 7px 10px; color: #4f5c70; text-decoration: none; border-radius: 8px; font-size: 12px; font-weight: 700; }
.os-utility-link:hover { background: var(--os-surface-subtle); color: var(--os-ink); }
.os-live-pill { padding: 6px 9px; display: inline-flex; align-items: center; gap: 6px; color: #607087; font-size: 10px; font-weight: 750; border: 1px solid var(--os-line); border-radius: 999px; background: #fff; }
.os-live-pill i { width: 6px; height: 6px; display: block; border-radius: 999px; background: #25a875; box-shadow: 0 0 0 3px #eaf8f1; }
.os-main { min-width: 0; }

/* Legacy shell suppression after redesign */
.app-shell--sidebar, .app-sidebar, .app-main--sidebar { all: unset; }

/* Page rhythm */
.opsstone-page {
    width: min(100%, 1580px);
    margin: 0 auto;
    padding: 30px 34px 54px;
}
.opsstone-page--wide { max-width: 1580px; }
.page-heading {
    margin: 0 0 22px;
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.page-heading > div:first-child { min-width: 0; }
.page-heading h1, .workspace-hero h1 {
    margin: 2px 0 5px;
    color: var(--os-ink-strong);
    font-size: clamp(25px, 2.3vw, 34px);
    line-height: 1.12;
    font-weight: 760;
    letter-spacing: -.035em;
}
.page-heading p { max-width: 800px; margin: 0; line-height: 1.5; }
.eyebrow, .opsstone-brand {
    color: #768298;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}
.muted { color: var(--os-muted); }
.breadcrumb, .workspace-breadcrumbs { margin: 0 0 8px; color: #8691a3; font-size: 11px; }
.breadcrumb a, .workspace-breadcrumbs a { color: #637087; text-decoration: none; }
.breadcrumb a:hover, .workspace-breadcrumbs a:hover { color: var(--os-primary); }
.heading-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* Cards and surfaces */
.opsstone-card,
.settings-card,
.table-card,
.register-card,
.workspace-list-card,
.customer-section-card,
.asset-section-card,
.asset-detail-card,
.asset-lifecycle-card {
    max-width: none;
    margin: 0;
    padding: 22px;
    background: var(--os-surface);
    border: 1px solid var(--os-line);
    border-radius: var(--os-radius);
    box-shadow: none;
}
.opsstone-card + .opsstone-card { margin-top: 16px; }
.section-heading { margin: 0 0 17px; align-items: center; }
.section-heading h2 { margin: 0 0 4px; color: var(--os-ink-strong); font-size: 17px; font-weight: 730; letter-spacing: -.015em; }
.section-heading h3 { margin: 0; }
.section-heading p { color: var(--os-muted); font-size: 12px; line-height: 1.45; }

/* Buttons */
.button {
    min-height: 38px;
    padding: 8px 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 720;
    line-height: 1;
    text-decoration: none;
    box-shadow: none;
    transition: background .15s ease, border-color .15s ease, color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.button:not(:disabled):active { transform: translateY(1px); }
.button--primary { background: var(--os-primary); color: #fff; border-color: var(--os-primary); }
.button--primary:hover { background: var(--os-primary-strong); border-color: var(--os-primary-strong); box-shadow: 0 6px 16px rgba(54,89,227,.16); }
.button--secondary { background: #fff; color: #47546a; border-color: var(--os-line-strong); }
.button--secondary:hover { color: var(--os-ink); border-color: #bdc6d4; background: var(--os-surface-soft); }
.button--danger { background: var(--os-danger); border-color: var(--os-danger); color: #fff; }
.button--small { min-height: 31px; padding: 6px 9px; font-size: 11px; }

/* Forms */
.form-grid { gap: 0 14px; }
.field { margin-top: 14px; gap: 6px; }
.field label { color: #465368; font-size: 11px; font-weight: 750; }
.field small { color: #8590a1; font-size: 11px; }
.input {
    min-height: 40px;
    padding: 9px 11px;
    color: var(--os-ink);
    background: #fff;
    border: 1px solid #d8dee8;
    border-radius: 9px;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.input:hover { border-color: #c4ccd9; }
.input:focus { border-color: #8399f1; box-shadow: 0 0 0 3px rgba(54,89,227,.1); }
.input:disabled, .input[readonly] { background: #f6f8fb; color: #677386; }
.textarea, .input--tall { min-height: 96px; }
.checkbox-row { margin: 13px 0; color: #596579; font-size: 12px; }
.readonly-field { min-height: 40px; border-color: var(--os-line); background: var(--os-surface-soft); }
.card-actions { margin-top: 19px; gap: 8px; }

/* Tables */
.table-scroll, .data-table-wrap { border: 1px solid var(--os-line); border-radius: 11px; overflow: auto; }
.data-table, .stock-table, .workforce-table { font-size: 12px; background: #fff; }
.data-table th, .stock-table th, .workforce-table th {
    padding: 10px 12px;
    position: sticky;
    top: 0;
    z-index: 2;
    background: #f8fafc;
    color: #7a8698;
    border-bottom: 1px solid var(--os-line);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    white-space: nowrap;
}
.data-table td, .stock-table td, .workforce-table td { padding: 12px; border-bottom: 1px solid #edf0f4; }
.data-table tbody tr:last-child td, .stock-table tbody tr:last-child td, .workforce-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover, .stock-table tbody tr:hover, .workforce-table tbody tr:hover { background: #f9fbfd; }
.table-subline { margin-top: 3px; color: #8993a5; font-size: 10px; }
.table-action { width: 1%; white-space: nowrap; }

/* Statuses and alerts */
.status-pill, .job-status-pill, .stock-status, .lifecycle-pill {
    min-height: 23px;
    padding: 4px 8px;
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .02em;
    white-space: nowrap;
}
.status-pill--enabled { background: var(--os-success-soft); color: var(--os-success); }
.status-pill--disabled { background: #f0f2f5; color: #717d8f; }
.alert { margin: 0 0 16px; padding: 11px 13px; border-radius: 10px; font-size: 12px; }
.alert--error { border-color: #f0c9cd; background: var(--os-danger-soft); color: #92303c; }
.alert--success { border-color: #bee4d3; background: var(--os-success-soft); color: #176746; }
.empty-state { padding: 28px 12px; color: #8a95a6; font-size: 12px; }

/* Dashboard */
.dashboard-page { padding-top: 28px; }
.dashboard-focus {
    margin-bottom: 18px;
    padding: 28px 30px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 30px;
    align-items: center;
    background: linear-gradient(135deg, #17243a 0%, #1c2c49 100%);
    border: 1px solid #22334f;
    border-radius: 18px;
    color: #fff;
    overflow: hidden;
    position: relative;
}
.dashboard-focus::after {
    content: "";
    position: absolute;
    width: 260px; height: 260px;
    right: -80px; top: -120px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(91,118,241,.32), rgba(91,118,241,0) 68%);
    pointer-events: none;
}
.dashboard-focus__copy { position: relative; z-index: 1; }
.dashboard-focus__copy span { color: #9fb1cf; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.dashboard-focus__copy h2 { margin: 7px 0 7px; max-width: 650px; font-size: 25px; line-height: 1.18; letter-spacing: -.025em; }
.dashboard-focus__copy p { max-width: 720px; margin: 0; color: #b8c4d8; line-height: 1.55; }
.dashboard-focus__action { position: relative; z-index: 1; }
.dashboard-focus__action .button { min-height: 42px; padding-inline: 17px; background: #fff; color: #1d2a40; border-color: #fff; }
.dashboard-focus__path { margin-top: 18px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; color: #aebbd0; font-size: 11px; }
.dashboard-focus__path b { color: #6f809d; }
.dashboard-launchpad {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}
.dashboard-lane {
    padding: 20px;
    background: #fff;
    border: 1px solid var(--os-line);
    border-radius: 14px;
}
.dashboard-lane__heading { margin-bottom: 12px; }
.dashboard-lane__heading span { color: #8b96a6; font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.dashboard-lane__heading h3 { margin: 4px 0 0; font-size: 15px; }
.dashboard-link-list { display: grid; }
.dashboard-link-list a {
    padding: 10px 2px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: #425069;
    border-top: 1px solid #eff2f5;
    text-decoration: none;
    font-size: 12px;
    font-weight: 680;
}
.dashboard-link-list a:first-child { border-top: 0; }
.dashboard-link-list a::after { content: "→"; color: #9aa4b4; }
.dashboard-link-list a:hover { color: var(--os-primary); }
.dashboard-link-list a:hover::after { color: var(--os-primary); }
.dashboard-secondary { margin-top: 14px; display: grid; grid-template-columns: 1.4fr .6fr; gap: 14px; }
.dashboard-note { padding: 20px; background: #fff; border: 1px solid var(--os-line); border-radius: 14px; }
.dashboard-note h3 { margin: 0 0 7px; font-size: 15px; }
.dashboard-note p { margin: 0; color: var(--os-muted); font-size: 12px; line-height: 1.55; }
.dashboard-identity { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.dashboard-identity > div { padding: 14px; border: 1px solid var(--os-line); border-radius: 11px; background: #fff; }
.dashboard-identity span { display: block; color: #8a95a6; font-size: 9px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.dashboard-identity strong { display: block; margin-top: 4px; overflow: hidden; text-overflow: ellipsis; font-size: 12px; }
.dashboard-welcome, .dashboard-grid, .dashboard-guidance { display: none !important; }

/* Customers */
.customer-toolbar, .jobs-toolbar, .asset-toolbar, .schedule-toolbar {
    padding: 13px;
    background: var(--os-surface-soft);
    border: 1px solid var(--os-line);
    border-radius: 11px;
}
.customer-list-card { padding: 18px; }
.customer-create-card { margin-bottom: 15px; border-color: #d8dff5; background: #fbfcff; }
.customer-summary-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; margin-bottom: 15px; }
.summary-card, .metric-card, .stock-kpi, .workforce-kpi {
    padding: 15px;
    border: 1px solid var(--os-line);
    border-radius: 11px;
    background: #fff;
}
.summary-card span, .metric-card span, .stock-kpi span, .workforce-kpi span { color: #8a95a6; font-size: 9px; letter-spacing: .07em; font-weight: 800; }
.summary-card strong, .metric-card strong { font-size: 19px; }
.customer-detail-grid { gap: 15px; grid-template-columns: minmax(0,1fr); }
.customer-overview-grid { display: grid; grid-template-columns: minmax(0,1.45fr) minmax(320px,.55fr); gap: 15px; align-items: start; }
.customer-sites-primary { grid-column: 1 / -1; }
.customer-section-card { padding: 20px; }
.site-grid { grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 10px; }
.site-card {
    padding: 16px;
    border-color: var(--os-line);
    border-radius: 11px;
    background: #fff;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.site-card:hover { border-color: #cbd3e0; box-shadow: var(--os-shadow-hover); transform: translateY(-1px); }
.site-number { color: #8792a4; font-size: 9px; }
.record-card, .reference-card { border-color: var(--os-line); border-radius: 10px; background: #fff; }
.inline-editor { margin-top: 16px; padding-top: 16px; }

/* Site workspace */
.workspace-breadcrumbs { margin-bottom: 10px; }
.workspace-hero {
    margin-bottom: 12px;
    padding: 22px 24px;
    align-items: center;
    border-radius: 14px;
    border-color: var(--os-line);
    box-shadow: none;
}
.workspace-hero h1 { font-size: 27px; }
.workspace-meta { margin-top: 11px; }
.workspace-meta span { padding: 4px 8px; background: #f2f5f9; color: #5f6c81; font-size: 10px; }
.workspace-actions .button { min-height: 34px; }
.workspace-tabs {
    margin-bottom: 12px;
    padding: 5px;
    position: sticky;
    top: 74px;
    z-index: 20;
    border-color: var(--os-line);
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(16,24,40,.04);
}
.workspace-tabs a { padding: 7px 10px; font-size: 11px; }
.workspace-summary-grid { grid-template-columns: repeat(5,minmax(0,1fr)); gap: 9px; margin-bottom: 12px; }
.workspace-columns { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.workspace-list-card { padding: 18px; }
.workspace-list-card .section-heading { margin-bottom: 11px; }
.compact-record-list { gap: 6px; }
.compact-record-list a { padding: 9px 10px; border-color: #edf0f4; background: #fafbfd; border-radius: 8px; }
.compact-record-list a:hover { background: #fff; border-color: #cfd6e1; }
.workspace-create-card { padding: 20px; }
.commercial-rule-strip, .context-notice { background: #f7f9fc; border-color: var(--os-line); }

/* Settings */
.settings-page-layout { display: grid; grid-template-columns: 235px minmax(0,1fr); gap: 18px; align-items: start; }
.settings-side-nav {
    position: sticky;
    top: 82px;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--os-line);
    border-radius: 13px;
}
.settings-side-nav__title { padding: 8px 9px 11px; color: #8792a4; font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.settings-side-nav__group { padding: 8px 0; border-top: 1px solid #eff2f5; }
.settings-side-nav__group:first-of-type { border-top: 0; padding-top: 0; }
.settings-side-nav__group > span { padding: 4px 9px; display: block; color: #9aa4b3; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.settings-side-nav a { padding: 8px 9px; display: block; color: #536077; border-radius: 8px; text-decoration: none; font-size: 11px; font-weight: 650; }
.settings-side-nav a:hover { background: #f3f6fa; color: var(--os-ink); }
.settings-side-nav a.active { background: var(--os-primary-soft); color: var(--os-primary-strong); }
.settings-content { min-width: 0; display: grid; gap: 14px; }
.settings-content .opsstone-card + .opsstone-card { margin-top: 0; }
.settings-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.settings-hub-grid { display: none; }
.business-settings-hub { display: none; }
.module-section { margin-top: 0; }
.module-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
.module-card { padding: 14px; border-color: var(--os-line); border-radius: 10px; background: #fafbfd; }
.module-card--enabled { background: #fff; border-color: #dce5df; }
.module-card p { min-height: 0; margin: 8px 0 10px; font-size: 11px; }
.module-meta { margin: 10px 0; }

/* Lists / records */
.list-card, .defect-list__item, .stock-card-row, .workforce-alert, .workforce-calendar-row, .document-file-card, .template-card {
    border-color: var(--os-line) !important;
    border-radius: 10px !important;
    background: #fff !important;
    box-shadow: none !important;
}
.list-card:hover, .defect-list__item:hover, .document-file-card:hover, .template-card:hover { border-color: #cad2de !important; box-shadow: 0 7px 18px rgba(16,24,40,.05) !important; }

/* Auth */
.auth-page { background: radial-gradient(circle at top left, #eef2ff 0, transparent 34%), var(--os-bg); }
.auth-card { max-width: 410px; padding: 31px; border-color: var(--os-line); border-radius: 17px; box-shadow: 0 24px 60px rgba(16,24,40,.08); }
.auth-card .opsstone-brand { color: var(--os-primary); }

@media (max-width: 1180px) {
    .os-shell { grid-template-columns: 220px minmax(0,1fr); }
    .dashboard-launchpad { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .workspace-summary-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .settings-page-layout { grid-template-columns: 205px minmax(0,1fr); }
}

@media (max-width: 900px) {
    .os-shell { display: block; }
    .os-sidebar { position: static; height: auto; padding: 12px; }
    .os-brand { height: 52px; padding-bottom: 8px; }
    .os-nav { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px 14px; }
    .os-nav__primary { grid-column: 1 / -1; grid-template-columns: repeat(2,minmax(0,1fr)); }
    .os-nav__section { padding-top: 8px; }
    .os-sidebar__footer { margin-top: 12px; }
    .os-user-card { display: none; }
    .os-topbar { position: static; height: 56px; padding: 0 18px; }
    .opsstone-page { padding: 24px 18px 42px; }
    .dashboard-focus { grid-template-columns: 1fr; }
    .dashboard-launchpad, .dashboard-secondary { grid-template-columns: 1fr; }
    .customer-overview-grid, .settings-page-layout { grid-template-columns: 1fr; }
    .settings-side-nav { position: static; }
    .settings-side-nav__group { display: flex; flex-wrap: wrap; gap: 2px; }
    .settings-side-nav__group > span { width: 100%; }
    .workspace-tabs { top: 8px; }
}

@media (max-width: 680px) {
    .os-nav { display: block; }
    .os-nav__section { margin-top: 9px; }
    .os-topbar__utilities .os-live-pill { display: none; }
    .os-topbar__context span { display: none; }
    .page-heading { align-items: flex-start; flex-direction: column; }
    .dashboard-identity, .settings-grid, .module-grid, .workspace-summary-grid { grid-template-columns: 1fr; }
    .workspace-hero { display: grid; padding: 18px; }
    .workspace-actions { justify-content: flex-start; }
    .workspace-columns { grid-template-columns: 1fr; }
}

/* Mega Chunk 17 - interaction model, settings shell, queue, tabs and reporting */
.os-nav__link--attention { color: #e8ecf5; }
.os-nav__link--attention .os-nav__dot { background: #e2a447; }
.os-global-search { width: min(330px, 34vw); height: 36px; padding: 0 11px; display: flex; align-items: center; gap: 8px; background: #f6f8fb; border: 1px solid var(--os-line); border-radius: 9px; }
.os-global-search span { color: #8a95a6; font-size: 16px; }
.os-global-search input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--os-ink); font: inherit; font-size: 12px; }
.os-global-search input::placeholder { color: #9aa4b3; }

/* Modal creation/editing. Registers stay registers until a user asks to create something. */
.os-modal-backdrop { position: fixed; inset: 0; z-index: 1000; padding: 28px; display: grid; place-items: center; background: rgba(8, 15, 28, .56); backdrop-filter: blur(4px); }
.os-modal { width: min(620px, 100%); max-height: calc(100vh - 56px); display: flex; flex-direction: column; background: #fff; border: 1px solid rgba(255,255,255,.5); border-radius: 16px; box-shadow: 0 28px 80px rgba(8,15,28,.28); overflow: hidden; }
.os-modal--wide { width: min(900px, 100%); }
.os-modal__header { padding: 20px 22px 17px; display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; border-bottom: 1px solid var(--os-line); }
.os-modal__header h2 { margin: 0 0 4px; color: var(--os-ink-strong); font-size: 19px; letter-spacing: -.02em; }
.os-modal__header p { margin: 0; color: var(--os-muted); font-size: 12px; }
.os-modal__close { width: 32px; height: 32px; display: grid; place-items: center; flex: 0 0 auto; border: 0; border-radius: 8px; background: var(--os-surface-subtle); color: #687489; cursor: pointer; font-size: 21px; line-height: 1; }
.os-modal__close:hover { background: #e8ecf2; color: var(--os-ink); }
.os-modal__body { padding: 20px 22px 22px; overflow-y: auto; }
.os-modal__body .form-grid { margin-top: 0; }
.modal-actions { margin-top: 22px; padding-top: 16px; display: flex; justify-content: flex-end; gap: 8px; border-top: 1px solid var(--os-line); }

/* Persistent settings tree */
.settings-frame { min-height: calc(100vh - 64px); display: grid; grid-template-columns: 252px minmax(0,1fr); }
.settings-tree { position: sticky; top: 64px; height: calc(100vh - 64px); padding: 24px 16px 32px 26px; overflow-y: auto; background: #fbfcfe; border-right: 1px solid var(--os-line); }
.settings-tree__title { margin: 0 8px 22px; display: grid; gap: 3px; }
.settings-tree__title span { color: var(--os-ink-strong); font-size: 15px; font-weight: 760; }
.settings-tree__title small { color: var(--os-muted); font-size: 11px; }
.settings-tree__group { margin-bottom: 19px; display: grid; gap: 2px; }
.settings-tree__group > span { padding: 0 9px 6px; color: #9099a9; font-size: 9px; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.settings-tree__group a { padding: 7px 9px; border-radius: 8px; color: #536076; text-decoration: none; font-size: 12px; font-weight: 620; line-height: 1.25; }
.settings-tree__group a:hover { background: #f0f3f8; color: var(--os-ink); }
.settings-tree__group a.active { background: var(--os-primary-soft); color: var(--os-primary-strong); font-weight: 750; }
.settings-frame__content { min-width: 0; }
.settings-frame__content .opsstone-page { width: 100%; max-width: 1220px; margin: 0; padding: 30px 34px 54px; }
.settings-content-page { max-width: 1220px; }

/* Customer and site workspaces */
.workspace-hero--compact { margin-bottom: 17px; }
.workspace-counts { margin: 0 0 14px; display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 8px; }
.workspace-count { min-width: 0; padding: 12px 13px; display: grid; gap: 3px; text-align: left; background: #fff; border: 1px solid var(--os-line); border-radius: 10px; cursor: pointer; }
.workspace-count:hover { border-color: #c8d0dc; background: #fbfcfe; }
.workspace-count.active { border-color: #b8c6ff; background: var(--os-primary-soft); }
.workspace-count span { color: var(--os-muted); font-size: 10px; font-weight: 720; text-transform: uppercase; letter-spacing: .04em; }
.workspace-count strong { color: var(--os-ink-strong); font-size: 20px; letter-spacing: -.03em; }
.workspace-tabs { position: sticky; top: 64px; z-index: 20; margin: 0; padding: 0 3px; display: flex; gap: 2px; overflow-x: auto; background: var(--os-bg); border-bottom: 1px solid var(--os-line-strong); }
.workspace-tabs button { padding: 12px 13px 10px; flex: 0 0 auto; border: 0; border-bottom: 2px solid transparent; background: transparent; color: #667286; cursor: pointer; font-size: 12px; font-weight: 680; }
.workspace-tabs button:hover { color: var(--os-ink); }
.workspace-tabs button.active { color: var(--os-primary-strong); border-bottom-color: var(--os-primary); }
.workspace-tab-panel { margin-top: 14px !important; min-height: 300px; }
.workspace-overview-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 36px; }
.workspace-overview-grid h2 { margin: 0 0 15px; font-size: 16px; }
.detail-list { margin: 0; display: grid; }
.detail-list > div { padding: 10px 0; display: grid; grid-template-columns: 145px minmax(0,1fr); gap: 14px; border-bottom: 1px solid var(--os-line); }
.detail-list dt { color: var(--os-muted); font-size: 11px; font-weight: 700; }
.detail-list dd { margin: 0; color: var(--os-ink); font-size: 12px; }
.workspace-actions { position: relative; }
.workspace-action-menu { position: absolute; right: 0; top: calc(100% + 6px); z-index: 50; width: 220px; padding: 6px; display: grid; background: #fff; border: 1px solid var(--os-line); border-radius: 10px; box-shadow: var(--os-shadow-hover); }
.workspace-action-menu button, .workspace-action-menu a { padding: 9px 10px; text-align: left; border: 0; border-radius: 7px; background: transparent; color: var(--os-ink); text-decoration: none; cursor: pointer; font: inherit; font-size: 12px; }
.workspace-action-menu button:hover, .workspace-action-menu a:hover { background: var(--os-surface-subtle); }
.customer-tabs { top: 64px; }
.customer-counts { grid-template-columns: repeat(6,minmax(0,1fr)); }

/* Admin queue */
.queue-summary { margin-bottom: 14px; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 9px; }
.queue-summary__item { padding: 14px 15px; display: grid; gap: 3px; text-align: left; background: #fff; border: 1px solid var(--os-line); border-radius: 11px; }
button.queue-summary__item { cursor: pointer; }
.queue-summary__item span { color: var(--os-muted); font-size: 10px; font-weight: 750; text-transform: uppercase; letter-spacing: .05em; }
.queue-summary__item strong { font-size: 23px; letter-spacing: -.03em; }
.queue-summary__item--danger strong { color: var(--os-danger); }
.queue-filter-card { padding: 15px 17px; }
.queue-filter-row { display: grid; grid-template-columns: 150px 130px 150px minmax(220px,1fr) auto auto; gap: 9px; align-items: end; }
.queue-filter-row .field { margin: 0; }
.queue-filter-row .checkbox-row { margin: 0 4px 10px; }
.queue-register { margin-top: 12px !important; padding: 0; overflow: hidden; }
.queue-register .data-table th { background: #fafbfc; }
.queue-row td:first-child { border-left: 3px solid transparent; }
.queue-row--critical td:first-child { border-left-color: #d74a57; }
.queue-row--high td:first-child { border-left-color: #d89132; }
.queue-priority { padding: 4px 7px; border-radius: 999px; background: #eef1f5; color: #596579; font-size: 10px; font-weight: 800; }
.queue-priority--critical { background: var(--os-danger-soft); color: var(--os-danger); }
.queue-priority--high { background: var(--os-warning-soft); color: var(--os-warning); }
.queue-table .table-actions { flex-wrap: nowrap; }

/* Catalogue */
.compact-metrics { margin-bottom: 12px; display: grid; grid-template-columns: repeat(3,minmax(0,180px)); gap: 8px; }
.compact-metrics > div { padding: 10px 12px; display: grid; gap: 2px; background: #fff; border: 1px solid var(--os-line); border-radius: 9px; }
.compact-metrics span { color: var(--os-muted); font-size: 10px; text-transform: uppercase; }
.compact-metrics strong { font-size: 18px; }
.catalog-toolbar { margin-bottom: 15px; display: grid; grid-template-columns: minmax(240px,1fr) 130px 180px auto auto; gap: 8px; align-items: center; }
.catalog-toolbar .checkbox-row { margin: 0; }
.catalog-type { padding: 4px 7px; border-radius: 6px; background: var(--os-surface-subtle); color: #596579; font-size: 10px; font-weight: 750; }

/* Reporting */
.report-section { margin-bottom: 22px; }
.report-section__heading { margin-bottom: 10px; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.report-section__heading h2 { margin: 0; font-size: 16px; }
.report-section__heading span, .report-section__heading a { color: var(--os-muted); font-size: 11px; }
.report-metric-grid { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 8px; }
.report-metric-grid--compact { grid-template-columns: repeat(3,minmax(0,1fr)); }
.report-metric { min-height: 88px; padding: 13px 14px; display: grid; align-content: space-between; gap: 8px; background: #fff; border: 1px solid var(--os-line); border-radius: 10px; }
.report-metric span { color: var(--os-muted); font-size: 10px; font-weight: 720; }
.report-metric strong { font-size: 20px; letter-spacing: -.025em; }
.report-metric--attention { background: #fffaf2; border-color: #eed9b6; }
.report-two-column { display: grid; grid-template-columns: 1.3fr .7fr; gap: 16px; }
.report-two-column .report-section { padding: 19px; background: #fff; border: 1px solid var(--os-line); border-radius: 12px; }
.queue-report-total { margin: 10px 0 14px; display: flex; align-items: baseline; gap: 9px; }
.queue-report-total strong { font-size: 28px; }
.queue-report-total span { color: var(--os-muted); font-size: 11px; }
.queue-report-types { display: grid; }
.queue-report-types > div { padding: 7px 0; display: flex; justify-content: space-between; border-top: 1px solid var(--os-line); font-size: 11px; }
.report-generated { color: var(--os-muted-2); font-size: 10px; text-align: right; }

/* Global search */
.search-hero { padding: 15px; }
.search-hero__bar { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; }
.search-result-heading { margin: 18px 2px 10px; display: flex; gap: 5px; color: var(--os-muted); font-size: 12px; }
.search-result-heading strong { color: var(--os-ink); }
.search-groups { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.search-group { padding: 0; overflow: hidden; }
.search-group .section-heading { margin: 0; padding: 13px 15px; border-bottom: 1px solid var(--os-line); }
.search-group .section-heading h2 { font-size: 13px; }
.search-result-list { display: grid; }
.search-result { min-height: 62px; padding: 11px 14px; display: grid; grid-template-columns: 90px minmax(0,1fr) auto; gap: 12px; align-items: center; color: inherit; text-decoration: none; border-bottom: 1px solid var(--os-line); }
.search-result:last-child { border-bottom: 0; }
.search-result:hover { background: #fafbfc; }
.search-result__ref { color: var(--os-muted); font-size: 10px; font-weight: 700; }
.search-result > div { min-width: 0; display: grid; gap: 2px; }
.search-result > div strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.search-result > div span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--os-muted); font-size: 10px; }

@media (max-width: 1250px) {
    .workspace-counts { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .report-metric-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
    .queue-filter-row { grid-template-columns: repeat(3,minmax(0,1fr)); }
    .queue-filter-row .field--wide { grid-column: span 2; }
}
@media (max-width: 900px) {
    .settings-frame { display: block; }
    .settings-tree { position: static; height: auto; padding: 16px; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
    .settings-tree__title { grid-column: 1 / -1; }
    .settings-tree__group { margin: 0; }
    .workspace-overview-grid, .report-two-column, .search-groups { grid-template-columns: 1fr; }
    .report-metric-grid, .report-metric-grid--compact { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .queue-summary { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .catalog-toolbar { grid-template-columns: 1fr 1fr; }
    .catalog-toolbar > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
    .os-modal-backdrop { padding: 10px; align-items: end; }
    .os-modal { width: 100%; max-height: 92vh; border-radius: 16px 16px 8px 8px; }
    .os-global-search { display: none; }
    .workspace-counts, .customer-counts, .queue-summary, .report-metric-grid, .report-metric-grid--compact { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .queue-filter-row { grid-template-columns: 1fr; }
    .queue-filter-row .field--wide { grid-column: auto; }
    .settings-tree { grid-template-columns: 1fr; }
    .search-result { grid-template-columns: 70px minmax(0,1fr); }
    .search-result > .status-pill { display: none; }
}

/* Mega Chunk 17.6 - global feedback */
.os-toast-stack { position: fixed; top: 76px; right: 24px; z-index: 2400; width: min(440px, calc(100vw - 32px)); display: grid; gap: 10px; pointer-events: none; }
.os-toast { pointer-events: auto; display: grid; grid-template-columns: 34px 1fr 30px; align-items: start; gap: 11px; padding: 14px 14px 14px 13px; border: 1px solid var(--os-line); border-radius: 13px; background: #fff; box-shadow: 0 18px 48px rgba(8,15,28,.18); animation: os-toast-in .18s ease-out; }
.os-toast__icon { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; font-weight: 800; }
.os-toast__copy { display: grid; gap: 2px; min-width: 0; }
.os-toast__copy strong { color: var(--os-ink-strong); font-size: 13px; }
.os-toast__copy span { color: var(--os-muted); font-size: 13px; line-height: 1.45; }
.os-toast__close { border: 0; background: transparent; color: #7a8597; font-size: 20px; cursor: pointer; line-height: 1; }
.os-toast--success { border-color: #bce4cd; }
.os-toast--success .os-toast__icon { background: #eaf8f0; color: #1d7044; }
.os-toast--warning { border-color: #f1d49b; }
.os-toast--warning .os-toast__icon { background: #fff7e6; color: #8a5b00; }
.os-toast--error { border-color: #efb9bd; }
.os-toast--error .os-toast__icon { background: #fff0f1; color: #a52a34; }
.os-toast--info .os-toast__icon { background: #edf3ff; color: #315eaa; }
@keyframes os-toast-in { from { opacity: 0; transform: translateY(-6px) translateX(8px); } to { opacity: 1; transform: none; } }
@media (max-width:700px) { .os-toast-stack { top: 12px; right: 12px; width: calc(100vw - 24px); } }

/* Contextual record workspaces */
.commercial-page--embedded,
.finance-page--embedded { width: 100%; }
.commercial-page--embedded .quote-summary-grid,
.finance-page--embedded .finance-metrics { margin-top: 0; }
.os-modal--workspace .commercial-page,
.os-modal--workspace .finance-page { max-width: none; }
.record-command-bar { display:flex; justify-content:space-between; align-items:center; gap:16px; margin:14px 0 18px; padding:12px 14px; background:#fff; border:1px solid var(--os-line); border-radius:12px; }
.record-command-bar > div:first-child { display:grid; gap:2px; }
.record-command-bar strong { color:var(--os-ink-strong); font-size:14px; }
.record-command-bar span { color:var(--os-muted); font-size:12px; }

/* Mega Chunk 17.6.2 - workspace overlays should feel like full application workspaces. */
.os-modal.os-modal--workspace {
    width: min(1900px, calc(100vw - 24px));
    max-width: none;
    height: calc(100vh - 24px);
    max-height: none;
}
.os-modal-backdrop.os-modal-backdrop--workspace { padding: 12px; }
.os-modal.os-modal--workspace .os-modal__body { min-width: 0; }
@media (max-width: 700px) {
    .os-modal.os-modal--workspace { width: 100%; height: 100vh; border-radius: 0; }
    .os-modal-backdrop.os-modal-backdrop--workspace { padding: 0; }
}