/* Touchstone Backup interface. Same design language as Kefalos Fiscus: IBM Plex, ocean blue on deep navy,
   rounded panels, mono uppercase labels, receipt-style sign-in. Light and dark themes via tokens. */
:root {
  --bg: #f4f6fa; --card: #ffffff; --hover: #f9fafc; --ink: #0f172a; --muted: #5b6472; --faint: #97a1b0;
  --line: #e6eaf1; --line-strong: #cfd6e2;
  --ocean: #0b57d0; --ocean-dark: #0b3f8f; --deep: #0a2a5e; --deep-2: #0d3573;
  --success: #16a34a; --error: #ef4444; --amber: #d97706;
  --on-accent: #ffffff;
  --shadow: 0 2px 8px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
  --shadow-hover: 0 10px 26px rgba(15, 23, 42, .08);
  --r: 14px; --r-sm: 10px;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --t: 150ms ease;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1220; --card: #111a2c; --hover: #15203a; --ink: #e8edf6; --muted: #93a0b5; --faint: #66728a;
    --line: #1e2a40; --line-strong: #2a3954;
    --ocean: #5b9cff; --ocean-dark: #8ab8ff; --deep: #07163a; --deep-2: #0a1f4d;
    --success: #4ade80; --error: #f87171; --amber: #fbbf24; --on-accent: #07122a;
    --shadow: none; --shadow-hover: 0 10px 26px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1220; --card: #111a2c; --hover: #15203a; --ink: #e8edf6; --muted: #93a0b5; --faint: #66728a;
  --line: #1e2a40; --line-strong: #2a3954;
  --ocean: #5b9cff; --ocean-dark: #8ab8ff; --deep: #07163a; --deep-2: #0a1f4d;
  --success: #4ade80; --error: #f87171; --amber: #fbbf24; --on-accent: #07122a;
  --shadow: none; --shadow-hover: 0 10px 26px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 14px/1.5 var(--sans); letter-spacing: .01em; -webkit-font-smoothing: antialiased; }
a { color: var(--ocean); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.75rem; line-height: 1.2; font-weight: 600; letter-spacing: -.01em; margin: 0 0 .25rem; }
h2 { font-size: 1.05rem; font-weight: 600; letter-spacing: -.005em; margin: 0 0 .9rem; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
p { margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.small { font-size: .8125rem; }
code, .mono { font-family: var(--mono); font-size: .86em; letter-spacing: 0; }
.eyebrow { display: inline-block; font: 500 .656rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ocean); margin-bottom: .45rem; }
.lede { color: var(--muted); margin: .15rem 0 0; max-width: 62ch; }

/* ---------- app shell ---------- */
.shell { display: grid; grid-template-columns: 252px minmax(0, 1fr); min-height: 100vh; }
.side { background: linear-gradient(180deg, var(--deep) 0%, var(--deep-2) 100%); color: #dbe6fb; display: flex; flex-direction: column; padding: 20px 14px; position: sticky; top: 0; height: 100vh; }
.brandmark { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; font-size: 1.02rem; letter-spacing: .01em; padding: 4px 8px 18px; }
.brandmark:hover { text-decoration: none; }
.brandmark .logo { width: 32px; height: 32px; border-radius: 9px; background: #fff; color: var(--deep); display: grid; place-items: center; font: 700 .95rem var(--mono); }
.brandmark small { display: block; font: 500 .6rem/1.2 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: #8fb2f0; margin-top: 1px; }
.side nav { display: flex; flex-direction: column; gap: 2px; margin-top: 6px; }
.side-label { font: 500 .6rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: #7f9bd1; padding: 14px 10px 6px; }
.side-link { display: flex; align-items: center; gap: 11px; padding: 9px 10px; border-radius: 10px; color: #cfdcf6; font-weight: 500; transition: background var(--t), color var(--t); position: relative; }
.side-link:hover { background: rgba(255, 255, 255, .07); color: #fff; text-decoration: none; }
.side-link.on { background: rgba(255, 255, 255, .12); color: #fff; }
.side-link.on::before { content: ''; position: absolute; left: -14px; top: 8px; bottom: 8px; width: 3px; border-radius: 0 3px 3px 0; background: #7fb0ff; }
.side-link svg { width: 18px; height: 18px; flex: none; opacity: .9; }
.side-foot { margin-top: auto; border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.me { display: flex; align-items: center; gap: 10px; color: #fff; padding: 0 6px; }
.me:hover { text-decoration: none; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: rgba(255, 255, 255, .14); display: grid; place-items: center; font-weight: 600; font-size: .85rem; flex: none; }
.me b { display: block; font-weight: 600; font-size: .86rem; line-height: 1.2; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 150px; }
.me .who { min-width: 0; }
.me em { display: block; font-style: normal; font: 500 .62rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #8fb2f0; }
.side-actions { display: flex; gap: 8px; }
.side .ghost { flex: 1; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); color: #e6eefc; border-radius: 10px; padding: 8px 10px; font-size: .8rem; display: flex; align-items: center; justify-content: center; gap: 7px; }
.side .ghost:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .3); }
.side .ghost svg { width: 15px; height: 15px; }
.side form { margin: 0; flex: 1; display: flex; }
.content { min-width: 0; }
.mobilebar { display: none; }
main { max-width: 1180px; margin: 0 auto; padding: 30px 28px 64px; }
#nav-toggle, .scrim { display: none; }

@media (max-width: 920px) {
  .shell { display: block; }
  .mobilebar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--deep); color: #fff; position: sticky; top: 0; z-index: 30; }
  .mobilebar label { cursor: pointer; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: rgba(255, 255, 255, .1); margin: 0; color: #fff; }
  .mobilebar svg { width: 20px; height: 20px; }
  .mobilebar .brandmark { padding: 0; }
  .side { position: fixed; z-index: 50; left: 0; top: 0; bottom: 0; width: 276px; transform: translateX(-100%); transition: transform 220ms ease; }
  #nav-toggle:checked ~ .side { transform: none; box-shadow: 0 0 40px rgba(0, 0, 0, .4); }
  #nav-toggle:checked ~ .scrim { display: block; position: fixed; inset: 0; background: rgba(6, 14, 34, .55); z-index: 40; }
  main { padding: 22px 16px 56px; }
}

/* ---------- page header, panels, metrics ---------- */
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.head .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 1.4rem; box-shadow: var(--shadow); margin-bottom: 16px; position: relative; }
.card > h2:first-child { margin-top: 0; }
.grid { display: grid; gap: 16px; }
.cols-2 { grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }
.cols-2 > .card { margin-bottom: 0; }
.metrics, .stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 18px; }
.metric, .stat { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 1rem 1.1rem; transition: box-shadow 250ms ease, transform 250ms ease; }
.metric:hover, .stat:hover { box-shadow: var(--shadow-hover); }
.metric b, .stat b { display: block; font-size: 1.625rem; font-weight: 700; line-height: 1.15; letter-spacing: -.02em; font-variant-numeric: tabular-nums; margin-bottom: .2rem; }
.metric span, .stat span { color: var(--muted); font-size: .8125rem; }
.metric small { position: absolute; top: .85rem; right: .85rem; padding: .12rem .5rem; border-radius: 999px; font: 600 .62rem/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; background: color-mix(in srgb, var(--ocean) 10%, transparent); color: var(--ocean); }
.metric.ok small { background: color-mix(in srgb, var(--success) 13%, transparent); color: var(--success); }
.metric.warn small { background: color-mix(in srgb, var(--amber) 14%, transparent); color: var(--amber); }
.metric.bad small { background: color-mix(in srgb, var(--error) 13%, transparent); color: var(--error); }

/* health bar and 14-day strips */
.healthbar { display: flex; height: 10px; border-radius: 99px; overflow: hidden; background: var(--line); gap: 2px; margin: 4px 0 10px; }
.healthbar i { display: block; height: 100%; }
.healthbar .h-ok { background: var(--success); } .healthbar .h-late { background: var(--amber); } .healthbar .h-bad { background: var(--error); }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: .8rem; color: var(--muted); }
.legend span::before { content: ''; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--faint); }
.legend .l-ok::before { background: var(--success); } .legend .l-late::before { background: var(--amber); } .legend .l-bad::before { background: var(--error); }
.strip { display: inline-flex; gap: 3px; vertical-align: middle; }
.strip i { width: 9px; height: 22px; border-radius: 3px; background: var(--line-strong); opacity: .55; }
.strip i.on { background: var(--success); opacity: 1; }
.strip i.today { outline: 2px solid color-mix(in srgb, var(--ocean) 45%, transparent); outline-offset: 1px; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .8rem .8rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font: 500 .656rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--muted); white-space: nowrap; background: transparent; }
tbody tr { transition: background var(--t); }
tbody tr:hover { background: var(--hover); }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.scroll { overflow-x: auto; margin: 0 -.4rem; padding: 0 .4rem; }

/* ---------- buttons and forms ---------- */
.btn, button { font: 500 .875rem var(--sans); cursor: pointer; border-radius: var(--r-sm); border: 1px solid var(--line-strong); background: var(--card); color: var(--ink); padding: .5rem .95rem; line-height: 1.3; transition: border-color var(--t), background var(--t), transform var(--t); letter-spacing: .01em; }
.btn:hover, button:hover { border-color: var(--ocean); text-decoration: none; }
.btn:active, button:active { transform: translateY(1px); }
.btn.primary, button.primary { background: var(--ocean); color: var(--on-accent); border-color: var(--ocean); font-weight: 600; }
.btn.primary:hover, button.primary:hover { filter: brightness(1.08); }
.btn.danger, button.danger { color: var(--error); }
.btn.danger:hover, button.danger:hover { border-color: var(--error); background: color-mix(in srgb, var(--error) 7%, transparent); }
.btn.small, button.small { padding: .22rem .65rem; font-size: .8rem; }
button:disabled { opacity: .45; cursor: default; }
.btn-ink { width: 100%; display: flex; justify-content: space-between; align-items: center; background: #0f172a; color: #fff; border: 1px solid #0f172a; padding: .85rem 1rem; font: 500 .8rem var(--mono); letter-spacing: .14em; text-transform: uppercase; border-radius: 8px; }
.btn-ink:hover { background: var(--ocean-dark); border-color: var(--ocean-dark); }
:root[data-theme="dark"] .btn-ink { background: #e8edf6; color: #0b1220; border-color: #e8edf6; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn-ink { background: #e8edf6; color: #0b1220; border-color: #e8edf6; } }
button:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--ocean) 55%, transparent); outline-offset: 2px; }
form.inline { display: inline; margin: 0; }
label { display: block; font-weight: 600; margin: 0 0 5px; font-size: .8125rem; color: var(--ink); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=file], select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line-strong); border-radius: var(--r-sm); padding: .55rem .7rem; transition: border-color var(--t), box-shadow var(--t);
}
input:focus, select:focus, textarea:focus { border-color: var(--ocean); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ocean) 16%, transparent); outline: none; }
textarea { min-height: 84px; resize: vertical; }
.field { margin-bottom: 14px; }
.field .hint, .hint { color: var(--muted); font-size: .8rem; margin-top: 4px; }
.error { color: var(--error); font-size: .84rem; margin-top: 5px; }
.check { display: flex; gap: 8px; align-items: center; font-weight: 500; }
.check input { width: auto; accent-color: var(--ocean); }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 14px; }
.filters > div { min-width: 150px; }

/* ---------- badges and messages ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: .12rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 600; background: color-mix(in srgb, var(--muted) 12%, transparent); color: var(--muted); white-space: nowrap; }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.ok, .badge.approved { background: color-mix(in srgb, var(--success) 13%, transparent); color: var(--success); }
.badge.late, .badge.pending { background: color-mix(in srgb, var(--amber) 15%, transparent); color: var(--amber); }
.badge.overdue, .badge.rejected, .badge.suspended { background: color-mix(in srgb, var(--error) 13%, transparent); color: var(--error); }
.flash { padding: .7rem 1rem; border-radius: var(--r-sm); margin-bottom: 16px; background: color-mix(in srgb, var(--success) 11%, transparent); color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 22%, transparent); font-weight: 500; }
.flash.warn { background: color-mix(in srgb, var(--amber) 12%, transparent); color: var(--amber); border-color: color-mix(in srgb, var(--amber) 28%, transparent); }
.callout { border: 1px solid color-mix(in srgb, var(--ocean) 28%, transparent); border-left: 4px solid var(--ocean); background: color-mix(in srgb, var(--ocean) 7%, var(--card)); padding: .9rem 1.1rem; border-radius: var(--r-sm); margin-bottom: 16px; }
.linkbox { word-break: break-all; background: var(--bg); border: 1px dashed var(--line-strong); border-radius: 8px; padding: .65rem .8rem; margin: 8px 0; user-select: all; }
.codes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; font-family: var(--mono); font-size: 1rem; margin: 14px 0; padding: 14px; border: 1px dashed var(--line-strong); border-radius: 8px; }
.qr { display: flex; justify-content: center; background: #fff; padding: 10px; border-radius: 10px; width: fit-content; margin: 10px auto; border: 1px solid var(--line); }
.pager { display: flex; gap: 8px; align-items: center; justify-content: space-between; margin-top: 14px; flex-wrap: wrap; }
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 0; }
dl.facts dt { color: var(--muted); font: 500 .66rem/1.9 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
dl.facts dd { margin: 0; }

/* ---------- sign-in and other signed-out pages: navy hero + receipt card ---------- */
.auth { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); background: var(--deep); position: relative; overflow: hidden; }
.auth::before { content: ''; position: absolute; inset: 0; background: radial-gradient(900px 500px at 12% 8%, color-mix(in srgb, #2f6fe0 38%, transparent), transparent 60%), radial-gradient(700px 500px at 90% 100%, color-mix(in srgb, #1b4fa8 40%, transparent), transparent 60%); pointer-events: none; }
.auth-hero { position: relative; padding: 56px clamp(28px, 7vw, 96px); display: flex; flex-direction: column; justify-content: center; color: #fff; gap: 22px; }
.auth-hero .brandmark { padding: 0; font-size: 1.1rem; }
.auth-hero h1, .auth-hero .hero-h { font-size: clamp(2.2rem, 4.6vw, 3.4rem); line-height: 1.02; font-weight: 700; letter-spacing: -.03em; margin: 8px 0 0; }
.auth-hero h1 em, .auth-hero .hero-h em { display: block; font-style: normal; color: #7fb0ff; }
.auth-hero p { color: #c4d5f3; font-size: 1.05rem; max-width: 44ch; margin: 0; }
.auth-tags { display: flex; gap: 20px; flex-wrap: wrap; font: 500 .68rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: #9db9ea; margin-top: 6px; }
.auth-side { position: relative; display: grid; place-items: center; padding: 40px 24px; }
.receipt { position: relative; width: 100%; max-width: 430px; background: var(--card); color: var(--ink); padding: 34px 30px 30px; box-shadow: 0 24px 60px rgba(0, 8, 30, .45); }
.receipt::before, .receipt::after { content: ''; position: absolute; left: 0; right: 0; height: 9px; background: radial-gradient(circle at 5px 0, var(--deep) 4.2px, transparent 4.7px) 0 0 / 10px 9px repeat-x; }
.receipt::before { top: -1px; }
.receipt::after { bottom: -1px; transform: scaleY(-1); }
.receipt .r-title { text-align: center; font: 500 .66rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); padding-bottom: 14px; border-bottom: 1px dashed var(--line-strong); margin-bottom: 18px; }
.receipt .r-title b { display: block; font: 600 1.05rem var(--sans); letter-spacing: .02em; text-transform: none; color: var(--ink); margin-bottom: 6px; }
.receipt h1 { font-size: 1.3rem; margin-bottom: .35rem; }
.receipt label { font: 500 .66rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.receipt input[type=text], .receipt input[type=email], .receipt input[type=password] { border: 0; border-bottom: 2px solid var(--ink); border-radius: 0; padding: .55rem 0; background: transparent; font: 400 1rem var(--mono); }
.receipt input:focus { box-shadow: none; border-bottom-color: var(--ocean); }
.receipt .r-foot { display: flex; justify-content: space-between; margin-top: 12px; font: 500 .62rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.theme-float { position: absolute; top: 18px; right: 18px; z-index: 2; }
.theme-float button, .iconbtn { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22); color: #fff; width: 38px; height: 38px; padding: 0; display: grid; place-items: center; border-radius: 10px; }
.theme-float svg { width: 18px; height: 18px; }
@media (max-width: 860px) {
  .auth { grid-template-columns: 1fr; }
  .auth-hero { padding: 34px 24px 6px; gap: 12px; }
  .auth-hero h1, .auth-hero .hero-h { font-size: 2rem; } .auth-hero p, .auth-tags { display: none; }
  .auth-side { padding: 22px 16px 40px; }
}
.theme-moon { display: block; } .theme-sun { display: none; }
:root[data-theme="dark"] .theme-moon { display: none; } :root[data-theme="dark"] .theme-sun { display: block; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .theme-moon { display: none; } :root:not([data-theme="light"]) .theme-sun { display: block; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media (max-width: 640px) { th, td { padding: .65rem .5rem; } h1 { font-size: 1.45rem; } .metrics, .stats { grid-template-columns: 1fr 1fr; } .metric b, .stat b { font-size: 1.35rem; } }
.btn-ink svg, .btn svg, button svg { width: 17px; height: 17px; flex: none; }
.btn-ink span { white-space: nowrap; }