/* ==========================================================================
   DEM Design System — shared foundation for all non-portal pages.
   Tokens mirror the finalized homepage (portal/css/home.css). Everything
   is prefixed dem- and purely additive: legacy pages keep working while
   they migrate page by page.

   01. Tokens          04. Fields (forms)     07. Workspace scaffolding
   02. Base            05. Badges             08. Auth split layout
   03. Buttons         06. Tables             09. Responsive
   ========================================================================== */

/* 01. Tokens ---------------------------------------------------------------- */

:root {
    /* color */
    --dem-bg: #FFFFFF;
    --dem-surface: #F7F7F5;
    --dem-surface-2: #F1F1EE;
    --dem-ink: #111111;

    --dem-text: #111111;
    --dem-text-2: #222222;
    --dem-text-muted: #777777;
    --dem-text-faint: #999999;
    --dem-inverse: #F5F5F3;
    --dem-inverse-muted: rgba(245, 245, 243, 0.56);

    --dem-border: rgba(0, 0, 0, 0.10);
    --dem-border-strong: rgba(0, 0, 0, 0.18);
    --dem-border-inverse: rgba(255, 255, 255, 0.16);

    --dem-accent: #2E5D49;              /* hometown green, accents only */
    --dem-accent-soft: rgba(46, 93, 73, 0.14);

    --dem-danger: #8C3B34;              /* restrained, text-level danger */

    /* typography */
    --dem-font: "Inter", "Helvetica Neue", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
    --dem-font-mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;

    --dem-t-index: 11px;
    --dem-t-meta: 12px;
    --dem-t-body: 15px;
    --dem-t-lede: 17px;
    --dem-t-h3: clamp(20px, 1.7vw, 26px);
    --dem-t-h2: clamp(28px, 3vw, 44px);
    --dem-t-display: clamp(44px, 5vw, 76px);

    /* layout */
    --dem-container: 1680px;
    --dem-gutter: clamp(20px, 5vw, 88px);
    --dem-header-h: 64px;

    /* spacing */
    --dem-space-xs: 8px;
    --dem-space-sm: 16px;
    --dem-space-md: 24px;
    --dem-space-lg: 48px;
    --dem-space-xl: 96px;

    /* shape */
    --dem-radius: 0px;
    --dem-radius-pill: 999px;

    /* motion */
    --dem-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --dem-motion-fast: 200ms;
    --dem-motion-normal: 400ms;
    --dem-motion-slow: 700ms;
}

/* 02. Base -------------------------------------------------------------------- */

/* scoped resets — full-viewport dem pages carry their own chrome */
body.dem-work-body,
body.dem-auth-body {
    margin: 0;
    background: var(--dem-bg);
}

.dem-work a,
.dem-auth a,
.dem-page a,
.dem-panel a,
.dem-empty a {
    color: inherit;
    text-decoration: none;
}

.dem-work ul,
.dem-auth ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.dem-work h1,
.dem-work h2,
.dem-work h3,
.dem-work h4,
.dem-auth h1,
.dem-auth h2,
.dem-page h1 {
    margin: 0;
}

.dem-page {
    max-width: var(--dem-container);
    margin: 0 auto;
    padding: clamp(32px, 5vw, 72px) var(--dem-gutter) clamp(64px, 8vw, 128px);
}

.dem-page--narrow {
    max-width: 880px;
}

.dem-mono {
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

/* page head — editorial, hairline-ordered */
.dem-page-head {
    padding-bottom: var(--dem-space-md);
    border-bottom: 1px solid var(--dem-border);
    margin-bottom: clamp(28px, 4vw, 56px);
}

.dem-page-head .dem-mono {
    color: var(--dem-text-muted);
    margin-bottom: 14px;
    display: block;
}

.dem-page-head h1 {
    margin: 0;
    font-family: var(--dem-font);
    font-size: var(--dem-t-h2);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--dem-text);
}

.dem-page-head p {
    margin: 12px 0 0;
    color: var(--dem-text-muted);
    font-size: var(--dem-t-body);
}

.dem-section-title {
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dem-text-muted);
    display: flex;
    align-items: center;
    gap: 14px;
    margin: var(--dem-space-lg) 0 var(--dem-space-md);
}

.dem-section-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--dem-border);
}

/* 03. Buttons ------------------------------------------------------------------ */

.dem-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border: 1px solid transparent;
    border-radius: var(--dem-radius);
    font-family: var(--dem-font);
    font-size: 13px;
    letter-spacing: 0.08em;
    cursor: pointer;
    text-decoration: none;
    transition:
        background-color var(--dem-motion-normal) var(--dem-ease),
        border-color var(--dem-motion-normal) var(--dem-ease),
        color var(--dem-motion-normal) var(--dem-ease);
}

.dem-btn--primary {
    background: var(--dem-ink);
    color: var(--dem-inverse);
}

.dem-btn--primary:hover {
    background: #000000;
}

.dem-btn--secondary {
    background: transparent;
    border-color: var(--dem-border-strong);
    color: var(--dem-text);
}

.dem-btn--secondary:hover {
    border-color: var(--dem-ink);
}

.dem-btn--danger {
    background: transparent;
    border-color: rgba(140, 59, 52, 0.4);
    color: var(--dem-danger);
}

.dem-btn--danger:hover {
    border-color: var(--dem-danger);
}

.dem-btn--text {
    padding: 6px 0;
    background: none;
    border: 0;
    color: var(--dem-text);
    position: relative;
}

.dem-btn--text::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 500ms var(--dem-ease);
}

.dem-btn--text:hover::after {
    transform: scaleX(1);
}

.dem-btn[disabled],
.dem-btn.is-loading {
    opacity: 0.55;
    pointer-events: none;
}

.dem-btn--block {
    width: 100%;
}

/* 04. Fields --------------------------------------------------------------------- */

.dem-field {
    margin-bottom: var(--dem-space-md);
}

.dem-field__label {
    display: block;
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dem-text-muted);
    margin-bottom: 10px;
}

/* underline input — the default DEM field */
.dem-input {
    width: 100%;
    padding: 11px 2px;
    font-family: var(--dem-font);
    font-size: var(--dem-t-body);
    color: var(--dem-text);
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--dem-border-strong);
    border-radius: var(--dem-radius);
    outline: none;
    transition: border-color var(--dem-motion-normal) var(--dem-ease);
}

.dem-input::placeholder {
    color: var(--dem-text-faint);
}

.dem-input:focus {
    border-bottom-color: var(--dem-ink);
}

/* boxed input — dense contexts (filters, tables, admin) */
.dem-input--boxed {
    border: 1px solid var(--dem-border-strong);
    padding: 10px 14px;
}

.dem-input--boxed:focus {
    border-color: var(--dem-ink);
}

textarea.dem-input {
    border: 1px solid var(--dem-border-strong);
    padding: 12px 14px;
    min-height: 110px;
    resize: vertical;
}

select.dem-input {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23777777' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
    padding-right: 26px;
    cursor: pointer;
}

.dem-field__error {
    margin-top: 8px;
    font-size: var(--dem-t-meta);
    color: var(--dem-danger);
}

.dem-field__help {
    margin-top: 8px;
    font-size: var(--dem-t-meta);
    color: var(--dem-text-faint);
}

/* checkbox / radio — minimal square */
.dem-check {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: var(--dem-t-body);
    color: var(--dem-text-2);
    cursor: pointer;
}

.dem-check input {
    width: 15px;
    height: 15px;
    accent-color: var(--dem-ink);
    cursor: pointer;
}

/* 05. Badges — restrained status marks ---------------------------------------------- */

.dem-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 4px 10px;
    font-family: var(--dem-font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: 1px solid var(--dem-border-strong);
    border-radius: var(--dem-radius-pill);
    color: var(--dem-text-muted);
    background: transparent;
}

.dem-badge::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--dem-text-faint);
}

.dem-badge--ok {
    color: var(--dem-accent);
    border-color: rgba(46, 93, 73, 0.35);
}

.dem-badge--ok::before {
    background: var(--dem-accent);
}

.dem-badge--warn {
    color: #8A6A2F;
    border-color: rgba(138, 106, 47, 0.35);
}

.dem-badge--warn::before {
    background: #8A6A2F;
}

.dem-badge--danger {
    color: var(--dem-danger);
    border-color: rgba(140, 59, 52, 0.35);
}

.dem-badge--danger::before {
    background: var(--dem-danger);
}

/* 06. Tables — horizontal rules only -------------------------------------------------- */

.dem-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--dem-t-body);
}

.dem-table th {
    text-align: left;
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dem-text-muted);
    padding: 12px 14px;
    border-bottom: 1px solid var(--dem-border-strong);
    white-space: nowrap;
}

.dem-table td {
    padding: 16px 14px;
    border-bottom: 1px solid var(--dem-border);
    color: var(--dem-text-2);
    vertical-align: middle;
}

.dem-table tbody tr {
    transition: background-color var(--dem-motion-fast) var(--dem-ease);
}

.dem-table tbody tr:hover {
    background: rgba(0, 0, 0, 0.025);
}

.dem-table .dem-table__actions {
    text-align: right;
    white-space: nowrap;
}

/* 07. Workspace scaffolding — sidebar + topbar + content ------------------------------- */

.dem-work {
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    min-height: 100vh;
}

.dem-work__sidebar {
    border-right: 1px solid var(--dem-border);
    padding: 28px 0;
    background: var(--dem-bg);
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.dem-work__brand {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--dem-border);
    margin-bottom: 16px;
}

.dem-work__brand strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.dem-work__brand span {
    display: block;
    margin-top: 4px;
    font-family: var(--dem-font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dem-text-faint);
}

.dem-work__nav {
    display: flex;
    flex-direction: column;
    padding: 0 12px;
}

.dem-work__nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 12px;
    font-size: 14px;
    color: var(--dem-text-muted);
    border-left: 1px solid transparent;
    transition: color var(--dem-motion-fast) var(--dem-ease), border-color var(--dem-motion-fast) var(--dem-ease);
}

.dem-work__nav a:hover {
    color: var(--dem-text);
}

.dem-work__nav a.is-active {
    color: var(--dem-text);
    border-left-color: var(--dem-ink);
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.035), transparent);
}

.dem-work__nav .dem-work__nav-title {
    font-family: var(--dem-font-mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dem-text-faint);
    padding: 18px 12px 8px;
}

.dem-work__main {
    min-width: 0;
    background: var(--dem-surface);
}

.dem-work__topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 clamp(20px, 3vw, 44px);
    height: var(--dem-header-h);
    background: rgba(247, 247, 245, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--dem-border);
}

.dem-work__content {
    padding: clamp(24px, 3vw, 44px) clamp(20px, 3vw, 44px) clamp(48px, 6vw, 88px);
}

/* stat strip — quiet numbers, no card box */
.dem-stats {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: 1px;
    background: var(--dem-border);
    border: 1px solid var(--dem-border);
    margin-bottom: clamp(28px, 4vw, 48px);
}

.dem-stat {
    background: var(--dem-bg);
    padding: 20px 22px;
}

.dem-stat__num {
    font-size: clamp(26px, 2.4vw, 38px);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--dem-text);
}

.dem-stat__label {
    margin-top: 8px;
    font-family: var(--dem-font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--dem-text-muted);
}

/* minimal panel — bordered, no shadow */
.dem-panel {
    background: var(--dem-bg);
    border: 1px solid var(--dem-border);
    padding: clamp(20px, 2.4vw, 32px);
}

.dem-panel + .dem-panel {
    margin-top: var(--dem-space-md);
}

.dem-panel__title {
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dem-text-muted);
    margin: 0 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

/* empty state */
.dem-empty {
    padding: clamp(40px, 6vw, 80px) 24px;
    text-align: center;
    color: var(--dem-text-muted);
    border: 1px dashed var(--dem-border-strong);
}

.dem-empty strong {
    display: block;
    color: var(--dem-text);
    font-weight: 500;
    margin-bottom: 6px;
}

/* 08. Auth split layout ------------------------------------------------------------------ */

.dem-auth {
    display: grid;
    grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);
    min-height: calc(100vh - 60px);
}

/* left — brand visual, echoes the homepage hero */
.dem-auth__visual {
    position: relative;
    background: var(--dem-ink);
    color: var(--dem-inverse);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(32px, 4vw, 64px);
}

.dem-auth__contours {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    color: rgba(245, 245, 243, 0.22);
}

.dem-auth__eyebrow {
    position: relative;
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--dem-inverse-muted);
    margin-bottom: 22px;
}

.dem-auth__title {
    position: relative;
    margin: 0;
    font-size: clamp(44px, 4.6vw, 76px);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -0.01em;
}

.dem-auth__lead {
    position: relative;
    margin: 22px 0 0;
    max-width: 34ch;
    font-size: var(--dem-t-lede);
    line-height: 1.8;
    color: var(--dem-inverse-muted);
}

.dem-auth__meta {
    position: relative;
    margin-top: clamp(40px, 7vh, 88px);
    padding-top: 18px;
    border-top: 1px solid var(--dem-border-inverse);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    font-family: var(--dem-font-mono);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dem-inverse-muted);
}

/* right — the form */
.dem-auth__panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(32px, 5vw, 80px) clamp(24px, 5vw, 96px);
    background: var(--dem-bg);
}

.dem-auth__box {
    width: min(100%, 400px);
}

.dem-auth__index {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--dem-text-muted);
    margin-bottom: 20px;
}

.dem-auth__index::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--dem-border);
}

.dem-auth__box h2 {
    margin: 0;
    font-size: clamp(28px, 2.6vw, 38px);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.dem-auth__sub {
    margin: 12px 0 0;
    font-size: var(--dem-t-body);
    color: var(--dem-text-muted);
}

.dem-auth__box form {
    margin-top: clamp(28px, 4vh, 44px);
}

.dem-auth__foot {
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid var(--dem-border);
    font-size: var(--dem-t-meta);
    color: var(--dem-text-muted);
}

.dem-auth__foot a {
    color: var(--dem-text);
    border-bottom: 1px solid var(--dem-border-strong);
    padding-bottom: 1px;
    transition: border-color var(--dem-motion-fast) var(--dem-ease);
}

.dem-auth__foot a:hover {
    border-color: var(--dem-ink);
}

/* 09. Responsive --------------------------------------------------------------------------- */

@media (max-width: 1080px) {
    .dem-work {
        grid-template-columns: 200px minmax(0, 1fr);
    }
}

@media (max-width: 860px) {
    .dem-auth {
        grid-template-columns: 1fr;
        min-height: 100vh;
    }

    .dem-auth__visual {
        min-height: 38vh;
        padding: 28px 22px;
    }

    .dem-auth__title {
        font-size: clamp(34px, 9vw, 48px);
    }

    .dem-auth__lead {
        font-size: 14px;
    }

    .dem-auth__panel {
        padding: 40px 22px 64px;
        align-items: flex-start;
    }

    .dem-work {
        grid-template-columns: 1fr;
    }

    .dem-work__sidebar {
        position: static;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--dem-border);
        padding: 16px 0;
    }

    .dem-work__nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2px;
        padding: 0 12px;
    }

    .dem-work__nav a {
        border-left: 0;
        padding: 8px 12px;
    }

    .dem-work__nav a.is-active {
        background: rgba(0, 0, 0, 0.05);
    }

    .dem-work__nav .dem-work__nav-title {
        display: none;
    }

    .dem-stats {
        grid-auto-flow: row;
        grid-auto-columns: 1fr;
        grid-template-columns: 1fr 1fr;
    }

    .dem-table {
        display: block;
        overflow-x: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .dem-btn,
    .dem-input,
    .dem-btn--text::after,
    .dem-table tbody tr,
    .dem-auth__foot a,
    .dem-work__nav a {
        transition: none !important;
    }
}

/* 10. Workspace pages — dashboard rows, forms, flashes ---------------------------------- */

.dem-work__crumb {
    display: flex;
    align-items: baseline;
    gap: 14px;
    min-width: 0;
}

.dem-work__crumb .dem-mono {
    color: var(--dem-text-faint);
}

.dem-work__crumb strong {
    font-size: 17px;
    font-weight: 500;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dem-work__user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dem-work__user i {
    font-style: normal;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--dem-ink);
    color: var(--dem-inverse);
    font-size: 13px;
}

.dem-work__user strong {
    display: block;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.3;
}

.dem-work__user small {
    display: block;
    font-family: var(--dem-font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--dem-text-faint);
}

.dem-work__logout {
    margin-left: 8px;
    font-size: var(--dem-t-meta);
    color: var(--dem-text-muted);
    border-bottom: 1px solid transparent;
    transition: color var(--dem-motion-fast) var(--dem-ease), border-color var(--dem-motion-fast) var(--dem-ease);
}

.dem-work__logout:hover {
    color: var(--dem-text);
    border-color: var(--dem-border-strong);
}

.dem-work__foot {
    margin-top: auto;
    padding: 18px 24px 0;
    border-top: 1px solid var(--dem-border);
}

.dem-work__foot a {
    font-size: var(--dem-t-meta);
    color: var(--dem-text-muted);
    transition: color var(--dem-motion-fast) var(--dem-ease);
}

.dem-work__foot a:hover {
    color: var(--dem-text);
}

/* flashes — hairline status notes, no coloured boxes */
.dem-flash {
    padding: 13px 18px;
    border: 1px solid var(--dem-border-strong);
    border-left: 2px solid var(--dem-ink);
    font-size: var(--dem-t-body);
    color: var(--dem-text-2);
    margin-bottom: var(--dem-space-md);
    background: var(--dem-bg);
}

.dem-flash--success { border-left-color: var(--dem-accent); }
.dem-flash--error,
.dem-flash--danger { border-left-color: var(--dem-danger); color: var(--dem-danger); }
.dem-flash--warning { border-left-color: #8A6A2F; }

/* editorial index links (dashboard projects) */
.dem-indexlist {
    border-top: 1px solid var(--dem-border);
}

.dem-indexlink {
    display: grid;
    grid-template-columns: 56px 1fr auto;
    align-items: center;
    gap: clamp(14px, 2vw, 28px);
    padding: clamp(20px, 2.4vw, 32px) 4px;
    border-bottom: 1px solid var(--dem-border);
    transition: padding-left 500ms var(--dem-ease);
}

.dem-indexlink:hover {
    padding-left: 14px;
}

.dem-indexlink__num {
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    letter-spacing: 0.16em;
    color: var(--dem-text-faint);
}

.dem-indexlink__body strong {
    display: block;
    font-size: clamp(20px, 2vw, 28px);
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--dem-text);
}

.dem-indexlink__body small {
    display: block;
    margin-top: 6px;
    font-size: var(--dem-t-meta);
    color: var(--dem-text-muted);
}

.dem-indexlink__arrow {
    color: var(--dem-text);
    transition: transform 500ms var(--dem-ease);
}

.dem-indexlink:hover .dem-indexlink__arrow {
    transform: translate(4px, -4px);
}

/* submitted works rows */
.dem-rowlist {
    border-top: 1px solid var(--dem-border);
}

.dem-row {
    display: grid;
    grid-template-columns: 90px 1fr auto;
    align-items: center;
    gap: 18px;
    padding: 18px 4px;
    border-bottom: 1px solid var(--dem-border);
}

.dem-row__num {
    font-family: var(--dem-font-mono);
    font-size: var(--dem-t-index);
    letter-spacing: 0.14em;
    color: var(--dem-text-faint);
}

.dem-row__body strong {
    display: block;
    font-size: var(--dem-t-body);
    font-weight: 500;
    color: var(--dem-text);
}

.dem-row__body small {
    display: block;
    margin-top: 4px;
    font-family: var(--dem-font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--dem-text-faint);
}

.dem-row__actions {
    display: flex;
    gap: 20px;
}

/* form grid + file input */
.dem-formgrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--dem-space-md) var(--dem-space-lg);
}

.dem-formgrid__full {
    grid-column: 1 / -1;
}

.dem-file {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--dem-font);
    font-size: var(--dem-t-meta);
    color: var(--dem-text-muted);
    border: 1px dashed var(--dem-border-strong);
    background: transparent;
    cursor: pointer;
    transition: border-color var(--dem-motion-fast) var(--dem-ease);
}

.dem-file:hover,
.dem-file:focus {
    border-color: var(--dem-ink);
    outline: none;
}

.dem-file::file-selector-button {
    margin-right: 14px;
    padding: 7px 14px;
    border: 1px solid var(--dem-border-strong);
    border-radius: 0;
    background: transparent;
    color: var(--dem-text);
    font-family: var(--dem-font);
    font-size: var(--dem-t-meta);
    cursor: pointer;
    transition: border-color var(--dem-motion-fast) var(--dem-ease);
}

.dem-file::file-selector-button:hover {
    border-color: var(--dem-ink);
}

/* profile grid */
.dem-profile-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, 1fr);
    gap: var(--dem-space-md);
    align-items: start;
}

.dem-profile-security__text {
    margin: 0 0 18px;
    font-size: var(--dem-t-body);
    line-height: 1.8;
    color: var(--dem-text-muted);
}

@media (max-width: 860px) {
    .dem-formgrid {
        grid-template-columns: 1fr;
    }

    .dem-profile-grid {
        grid-template-columns: 1fr;
    }

    .dem-indexlink {
        grid-template-columns: 40px 1fr auto;
    }

    .dem-row {
        grid-template-columns: 56px 1fr;
    }

    .dem-row__actions {
        grid-column: 2;
        justify-content: flex-start;
    }

    .dem-work__user div {
        display: none;
    }
}