/* MMC Client Portal — dark by default, light via [data-theme="light"].
   WCAG 2.1 AA: 4.5:1 contrast in both themes, visible focus, no color-only meaning */
:root {
  --ink: #e7e5e4;
  --paper: #191512;
  --card: #241f1b;
  --brand: #fbbf24;       /* amber accent on dark */
  --link: #fcd34d;        /* AA on --paper and --card */
  --line: #44403c;
  --muted: #b3aca4;       /* AA on dark backgrounds */
  --header-bg: #0f0d0b;
  --header-ink: #ffffff;
  --header-muted: #d6d3d1;
  --btn-bg: #fbbf24;
  --btn-ink: #1c1917;
  --btn-hover: #fcd34d;
  --input-bg: #191512;
  --input-border: #78716c;
  --th-bg: #2e2823;
  --pre-bg: #14110f;
  --alert-bg: #4c1414;
  --alert-ink: #fecaca;
  --notice-bg: #14371f;
  --notice-ink: #bbf7d0;
}
:root[data-theme="light"] {
  --ink: #1c1917;
  --paper: #faf7f2;
  --card: #ffffff;
  --brand: #b45309;
  --link: #7c3a06;
  --line: #d6cfc4;
  --muted: #57534e;
  --header-bg: #1c1917;
  --header-ink: #ffffff;
  --header-muted: #d6d3d1;
  --btn-bg: #7c3a06;
  --btn-ink: #ffffff;
  --btn-hover: #b45309;
  --input-bg: #ffffff;
  --input-border: #57534e;
  --th-bg: #f0ebe3;
  --pre-bg: #f5f0e8;
  --alert-bg: #fee2e2;
  --alert-ink: #7f1d1d;
  --notice-bg: #dcfce7;
  --notice-ink: #14532d;
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  display: flex; min-height: 100vh; flex-direction: column;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 1.25rem; width: 100%; }
main { flex: 1; padding: 2rem 0 3rem; }

.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--ink); color: var(--paper);
  padding: .5rem 1rem; z-index: 10;
}
.skip-link:focus { left: 0; }

.site-header { background: var(--header-bg); color: var(--header-ink); }
.header-row { display: flex; align-items: center; justify-content: space-between; padding: .8rem 1.25rem; gap: 1rem; flex-wrap: wrap; }
.header-actions { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.brand { color: var(--header-ink); text-decoration: none; font-weight: 700; letter-spacing: .02em; }
.brand span { color: #fbbf24; }
.nav-user { margin-right: .75rem; color: var(--header-muted); }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .875rem; }
.site-footer a { color: var(--link); }

h1 { font-size: 1.7rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 .5rem; border-bottom: 1px solid var(--line); padding-bottom: .3rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
a { color: var(--link); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--brand); outline-offset: 2px;
}

.login-card {
  max-width: 400px; margin: 3rem auto; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 2rem;
}
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; margin-bottom: .3rem; }
.field input, .field select {
  width: 100%; padding: .55rem .7rem; border: 1px solid var(--input-border);
  border-radius: 6px; font-size: 1rem; background: var(--input-bg); color: var(--ink);
}
.btn {
  display: inline-block; background: var(--btn-bg); color: var(--btn-ink); border: none;
  border-radius: 6px; padding: .55rem 1.1rem; font-size: 1rem; cursor: pointer;
  text-decoration: none; font-weight: 600;
}
.btn:hover { background: var(--btn-hover); }
.btn-ghost { background: transparent; border: 1px solid var(--header-muted); color: var(--header-ink); font-weight: 400; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
main .btn-ghost, a.btn-ghost { color: var(--link); border-color: var(--muted); }
main .btn-ghost:hover { background: rgba(128, 128, 128, .15); }
.btn-small { font-size: .85rem; padding: .3rem .7rem; }
.inline-form { display: inline-flex; gap: .4rem; align-items: center; }

.alert { background: var(--alert-bg); color: var(--alert-ink); padding: .6rem .9rem; border-radius: 6px; }
.notice { background: var(--notice-bg); color: var(--notice-ink); padding: .6rem .9rem; border-radius: 6px; }

.card-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.card {
  display: block; background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.1rem 1.2rem; text-decoration: none; color: var(--ink);
}
.card:hover { border-color: var(--brand); }
.card strong { display: block; margin-bottom: .3rem; }
.card-thumb {
  width: 100%; height: 150px; object-fit: cover; object-position: top;
  border-radius: 6px; border: 1px solid var(--line); margin-bottom: .75rem; display: block;
}
.doc-list { padding-left: 1.2rem; }
.doc-list li { margin: .35rem 0; }

table { border-collapse: collapse; width: 100%; background: var(--card); }
th, td { text-align: left; border: 1px solid var(--line); padding: .45rem .6rem; vertical-align: top; }
th { background: var(--th-bg); }
details { margin: .75rem 0; }
summary { cursor: pointer; font-weight: 600; }
.stack { max-width: 420px; margin-top: .75rem; }

.doc-body { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 2rem; }
.doc-body img { max-width: 100%; }
.doc-body table { width: auto; }
.doc-body pre { overflow-x: auto; background: var(--pre-bg); padding: .8rem; border-radius: 6px; }