/* Customer portal — the light half of the Christie palette (DESIGN.md), deliberately calm and
   document-first: the contract is the hero, everything else stays quiet around it. */

:root {
    --cp-bg: #f4f2f1;
    --cp-surface: #ffffff;
    --cp-border: #e4e0dd;
    --cp-border-soft: #eeebe8;
    --cp-ink: #231f20;
    --cp-ink-muted: #6b6562;
    --cp-red: #d40a1e;          /* brand red at light-theme contrast */
    --cp-accent: #1668a3;
    --cp-success-bg: #e7f4ee;
    --cp-success-ink: #14724c;
    --cp-warn-bg: #fdf3e3;
    --cp-warn-ink: #8a5a12;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--cp-bg);
    color: var(--cp-ink);
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

.cp-shell { max-width: 860px; margin: 0 auto; padding: 1.2rem 1.2rem 3rem; }

.cp-header {
    display: flex; align-items: baseline; gap: .8rem;
    padding: .8rem 0 1.1rem;
}
.cp-brand { font-weight: 700; font-size: 1.0625rem; letter-spacing: -.01em; }
.cp-brand-accent { color: var(--cp-red); }
.cp-header-label { color: var(--cp-ink-muted); font-size: .85rem; }

.cp-card {
    background: var(--cp-surface);
    border: 1px solid var(--cp-border);
    border-radius: 10px;
    padding: 1.3rem 1.5rem;
    margin-bottom: 1rem;
}

.cp-title { display: flex; justify-content: space-between; align-items: start; gap: 1rem; flex-wrap: wrap; }
.cp-title h1 { margin: 0 0 .25rem; font-size: 1.5rem; letter-spacing: -.02em; }
h2 { font-size: 1.0625rem; margin: 0 0 .8rem; }

.cp-subtle { color: var(--cp-ink-muted); font-size: .87rem; margin: 0; }
.cp-hint { max-width: 34rem; }

.cp-status {
    background: var(--cp-bg);
    border: 1px solid var(--cp-border);
    border-radius: 999px;
    padding: .3rem .85rem;
    font-size: .82rem; font-weight: 600;
    white-space: nowrap;
}

.cp-banner { border-radius: 10px; padding: .8rem 1.2rem; margin-bottom: 1rem; font-weight: 500; }
.cp-banner-ok { background: var(--cp-success-bg); color: var(--cp-success-ink); }
.cp-banner-warn { background: var(--cp-warn-bg); color: var(--cp-warn-ink); }

.cp-doc-tools {
    display: flex; justify-content: space-between; align-items: start; gap: 1rem; flex-wrap: wrap;
    padding-bottom: .9rem; margin-bottom: 1rem;
    border-bottom: 1px solid var(--cp-border-soft);
}
.cp-downloads { display: flex; gap: 1rem; white-space: nowrap; }
.cp-link { color: var(--cp-accent); font-weight: 500; text-decoration: none; font-size: .9rem; }
.cp-link:hover { text-decoration: underline; }

.cp-doc { max-width: 40rem; }
.cp-doc ::selection { background: color-mix(in srgb, var(--cp-red) 14%, white); }

label { display: block; margin-bottom: .8rem; font-size: .87rem; color: var(--cp-ink-muted); font-weight: 500; }
input, textarea {
    display: block; width: 100%;
    margin-top: .3rem; padding: .55rem .7rem;
    font: inherit; font-size: .95rem; color: var(--cp-ink);
    background: var(--cp-surface);
    border: 1px solid var(--cp-border);
    border-radius: 8px;
}
input:focus, textarea:focus { outline: 2px solid var(--cp-accent); outline-offset: 0; border-color: transparent; }

.cp-btn {
    background: var(--cp-red); color: #fff;
    border: 0; border-radius: 8px;
    padding: .6rem 1.3rem;
    font: inherit; font-weight: 600; font-size: .95rem;
    cursor: pointer;
}
.cp-btn:hover { filter: brightness(1.08); }
.cp-btn:focus-visible { outline: 2px solid var(--cp-accent); outline-offset: 2px; }
.cp-btn:disabled { opacity: .55; cursor: not-allowed; filter: none; }
.cp-btn-secondary { background: var(--cp-surface); color: var(--cp-ink); border: 1px solid var(--cp-border-strong, #d4cfcc); }
.cp-btn-secondary:hover { background: var(--cp-bg); filter: none; }
.cp-actions { display: flex; flex-wrap: wrap; gap: .5rem .6rem; align-items: center; margin-top: .2rem; }
.cp-form-problem { margin: 0 0 .6rem; color: var(--cp-red); font-size: .87rem; }

.cp-proposals { list-style: none; margin: 0; padding: 0; }
.cp-proposals li { padding: .8rem 0; border-top: 1px solid var(--cp-border-soft); }
.cp-proposals li:first-child { border-top: 0; padding-top: 0; }
.cp-proposal-head { display: flex; justify-content: space-between; gap: .8rem; margin-bottom: .2rem; }
.cp-proposal-anchor { font-weight: 600; }
.cp-proposal-state { font-size: .8rem; font-weight: 600; color: var(--cp-ink-muted); white-space: nowrap; }
.cp-state-accepted { color: var(--cp-success-ink); }
.cp-state-rejected { color: var(--cp-red); }
.cp-strike { color: var(--cp-ink-muted); text-decoration: line-through; }

.cp-sign { display: flex; justify-content: space-between; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.cp-sign h2 { margin-bottom: .25rem; }
.cp-sign .cp-btn { text-decoration: none; white-space: nowrap; }

.cp-notice h1 { font-size: 1.25rem; margin: 0 0 .5rem; }
.cp-notice p { margin: 0; max-width: 36rem; color: var(--cp-ink-muted); }

.cp-footer { color: var(--cp-ink-muted); font-size: .85rem; text-align: center; padding-top: .5rem; }

@media (max-width: 560px) {
    .cp-shell { padding: .8rem .8rem 2rem; }
    .cp-card { padding: 1rem 1.1rem; }
}

/* ---- Story 834: the document is the page ---- */
.cp-app { max-width: 1240px; margin: 0 auto; padding: 0 1.2rem 3rem; }
.cp-topbar {
    position: sticky; top: 0; z-index: 5;
    display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
    padding: .7rem 0 .8rem; margin-bottom: 1rem;
    background: var(--cp-bg);
    border-bottom: 1px solid var(--cp-border);
}
.cp-topbar-id { display: flex; align-items: center; gap: 1rem; min-width: 0; }
.cp-topbar-title { min-width: 0; }
.cp-topbar-title h1 { margin: 0; font-size: 1.15rem; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cp-topbar-actions { display: flex; align-items: center; gap: .9rem; flex-wrap: wrap; }
.cp-btn-sm { padding: .45rem .95rem; font-size: .88rem; text-decoration: none; }
.cp-topbar-actions .cp-btn-secondary { color: var(--cp-ink); }
.cp-side-toggle { display: none; }
.cp-linkbtn { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; font-size: .85rem; }

.cp-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 1.2rem; align-items: start; }
.cp-layout-single { grid-template-columns: minmax(0, 1fr); }
.cp-doc-col { background: var(--cp-surface); border: 1px solid var(--cp-border); border-radius: 10px; padding: 1.3rem 1.5rem; min-width: 0; }
.cp-doc-col .cp-doc { max-width: 44rem; }
.cp-side { position: sticky; top: 4.6rem; max-height: calc(100vh - 5.4rem); overflow: auto; display: grid; gap: 1rem; }
.cp-side .cp-card { margin: 0; }
.cp-propose textarea { min-height: 2.6rem; }
.cp-propose .cp-hint { margin: -.3rem 0 .9rem; max-width: none; }
.cp-selection { margin-bottom: .6rem; font-size: .87rem; }
.cp-selection-text { font-style: italic; }
.cp-proposals-card h2 { margin-bottom: .5rem; }
.cp-proposal { border-radius: 8px; padding: .7rem .6rem; margin: 0 -.6rem; }
.cp-proposal.active { background: color-mix(in srgb, var(--cp-accent) 8%, white); outline: 1px solid color-mix(in srgb, var(--cp-accent) 35%, white); }
.cp-proposal-meta { margin-top: .25rem; font-size: .8rem; }
.cp-ins { color: var(--cp-success-ink); }
.cp-counter { color: #1a4d7a; margin-top: .15rem; }

/* Story 849: changes queued in the browser — drawn into the text at once, marked as not sent yet. */
.cp-drafts-head { margin: 0 0 .35rem; font-size: .78rem; font-weight: 600; letter-spacing: 0; }
.cp-drafts li { border-top: 0; padding: .55rem .6rem; margin: 0 -.6rem .4rem; border-radius: 8px; background: color-mix(in srgb, var(--cp-accent) 6%, white); outline: 1px dashed color-mix(in srgb, var(--cp-accent) 45%, white); }
.cp-drafts .cp-proposal-head { align-items: baseline; }
.cp-draft-remove { font-size: .8rem; }
.cp-rl-draft { outline: 1px dashed color-mix(in srgb, var(--cp-accent) 55%, white); outline-offset: 1px; }
.cp-rl-draft ins { background: color-mix(in srgb, var(--cp-accent) 10%, white); color: #1a4d7a; border-bottom-color: var(--cp-accent); }
.cp-rl-draft::after { content: "not sent yet"; margin-left: .35em; font-size: .7rem; font-weight: 600; color: var(--cp-accent); vertical-align: super; }
.cp-accept h2 { margin-bottom: .3rem; }
.cp-accept .cp-subtle { margin-bottom: .8rem; }
.cp-accept form p { margin: 0 0 .6rem; }

/* Redlines drawn into the text: struck wording, inserted proposal, state and attribution on the mark. */
.cp-rl { border-radius: 3px; padding: 0 .1em; scroll-margin-top: 5.5rem; cursor: pointer; }
.cp-rl del { color: var(--cp-red); text-decoration: line-through; text-decoration-thickness: 2px; }
.cp-rl ins { text-decoration: none; background: var(--cp-success-bg); color: var(--cp-success-ink); border-bottom: 2px solid var(--cp-success-ink); margin-left: .25em; padding: 0 .15em; }
.cp-rl-proposed ins { background: #fff7e0; color: #7a5a00; border-bottom-color: #d19a00; }
.cp-rl-rejected del { text-decoration: none; color: inherit; }
.cp-rl-rejected ins { background: transparent; color: var(--cp-ink-muted); border-bottom: 2px dotted var(--cp-border); text-decoration: line-through; }
.cp-rl-countered ins { background: #eef4fb; color: #1a4d7a; border-bottom-color: var(--cp-accent); }
.cp-rl:hover, .cp-rl.active, .cp-rl:target { outline: 2px solid color-mix(in srgb, var(--cp-accent) 45%, white); outline-offset: 1px; }

@media (max-width: 900px) {
    .cp-layout { grid-template-columns: minmax(0, 1fr); }
    .cp-side-toggle { display: inline-block; }
    .cp-side {
        position: fixed; left: 0; right: 0; bottom: 0; top: auto; z-index: 6;
        max-height: 70vh; padding: .8rem; margin: 0;
        background: var(--cp-bg); border-top: 1px solid var(--cp-border); box-shadow: 0 -8px 24px rgba(0,0,0,.12);
        transform: translateY(100%); transition: transform .2s ease;
    }
    .cp-side.open { transform: translateY(0); }
    .cp-topbar-title h1 { white-space: normal; }
}