/* PhiriMasters Platform — design system. Light + dark via [data-theme]. */
:root {
  --bg: #f5f6f8; --surface: #ffffff; --surface-2: #f0f2f5; --surface-3: #e9edf2;
  --border: #e2e6ea; --border-strong: #cfd6de;
  --text: #1a1f26; --muted: #667085; --faint: #98a2b3;
  --primary: #2f5bd6; --primary-hover: #274fc0; --primary-ink: #ffffff; --primary-soft: #eaf0fe;
  --success: #16794a; --success-soft: #e5f4ec;
  --warn: #b45309; --warn-soft: #fcf1e2;
  --danger: #c0362c; --danger-soft: #fbeae8;
  --radius: 10px; --radius-sm: 7px;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  --shadow-lg: 0 8px 24px rgba(16,24,40,.12);
  --sidebar-w: 236px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
:root[data-theme="dark"] {
  --bg: #0d1117; --surface: #161b22; --surface-2: #1b212b; --surface-3: #222a36;
  --border: #2a3140; --border-strong: #3a4353;
  --text: #e6edf3; --muted: #8b949e; --faint: #6e7681;
  --primary: #4f7bff; --primary-hover: #6b90ff; --primary-ink: #ffffff; --primary-soft: #182338;
  --success: #3fb27f; --success-soft: #142a20;
  --warn: #d99a3e; --warn-soft: #2a2114;
  --danger: #e5675c; --danger-soft: #2c1917;
  --shadow: none; --shadow-lg: 0 8px 24px rgba(0,0,0,.4);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1117; --surface: #161b22; --surface-2: #1b212b; --surface-3: #222a36;
    --border: #2a3140; --border-strong: #3a4353;
    --text: #e6edf3; --muted: #8b949e; --faint: #6e7681;
    --primary: #4f7bff; --primary-hover: #6b90ff; --primary-soft: #182338;
    --success: #3fb27f; --success-soft: #142a20; --warn: #d99a3e; --warn-soft: #2a2114;
    --danger: #e5675c; --danger-soft: #2c1917; --shadow: none; --shadow-lg: 0 8px 24px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text);
  font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
h1 { font-size: 20px; margin: 0 0 2px; } h2 { font-size: 15px; margin: 0 0 12px; }

/* Shell ------------------------------------------------------------------ */
.shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { padding: 18px 18px 14px; font-weight: 700; font-size: 16px; letter-spacing: -.2px;
  display: flex; align-items: baseline; gap: 6px; border-bottom: 1px solid var(--border); }
.brand span { color: var(--muted); font-weight: 500; font-size: 12px; }
.nav { padding: 10px; display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.navlink { display: flex; align-items: center; gap: 10px; padding: 9px 11px; border-radius: var(--radius-sm);
  color: var(--muted); font-weight: 500; }
.navlink svg { width: 17px; height: 17px; flex: none; }
.navlink:hover { background: var(--surface-2); color: var(--text); }
.navlink.active { background: var(--primary-soft); color: var(--primary); }
.sidebar-foot { border-top: 1px solid var(--border); padding: 12px; display: flex;
  align-items: center; gap: 8px; font-size: 13px; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--primary);
  color: #fff; display: grid; place-items: center; font-weight: 600; font-size: 12px; flex: none; }
.main-wrap { display: flex; flex-direction: column; min-width: 0; }
.topbar { height: 56px; background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px; padding: 0 22px; position: sticky; top: 0; z-index: 5; }
.topbar-title { font-size: 15px; font-weight: 600; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.content { padding: 24px 26px; max-width: 1200px; width: 100%; }
.menu-btn { display: none; }
.scrim { display: none; }  /* mobile-only overlay; never a grid child on desktop */

/* Cards / stats ---------------------------------------------------------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px; margin-bottom: 18px; }
.card > h2:first-child { margin-top: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px; }
.stat b { display: block; font-size: 26px; font-weight: 700; letter-spacing: -.5px; }
.stat span { color: var(--muted); font-size: 12.5px; }

/* Tables ----------------------------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th { text-align: left; padding: 10px 14px; color: var(--muted); font-weight: 600;
  font-size: 12px; text-transform: uppercase; letter-spacing: .3px; background: var(--surface-2);
  border-bottom: 1px solid var(--border); white-space: nowrap; }
table.data td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr:hover, table.data tr:hover { background: var(--surface-2); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; }

/* Buttons ---------------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 13px;
  border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--surface);
  color: var(--text); font: inherit; font-weight: 600; font-size: 13px; cursor: pointer; line-height: 1.2; }
.btn:hover { background: var(--surface-2); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { color: var(--danger); border-color: var(--border-strong); }
.btn-danger:hover { background: var(--danger-soft); }
.btn-sm { padding: 5px 9px; font-size: 12px; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }

/* Forms ------------------------------------------------------------------ */
.input, select.input, input, select { padding: 8px 11px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); background: var(--surface); color: var(--text); font: inherit; font-size: 13.5px; }
input:focus, select:focus, .input:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.form-inline { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }

/* Badges / states -------------------------------------------------------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600; background: var(--surface-3); color: var(--muted); }
.badge.ok { background: var(--success-soft); color: var(--success); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--danger-soft); color: var(--danger); }
.badge.info { background: var(--primary-soft); color: var(--primary); }
.empty { text-align: center; color: var(--muted); padding: 40px 20px; border: 1px dashed var(--border-strong);
  border-radius: var(--radius); background: var(--surface); }
.empty b { color: var(--text); display: block; margin-bottom: 4px; }
.page-head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 18px; }
.page-head .sub { color: var(--muted); font-size: 13px; }
.page-head .actions { margin-left: auto; }
.flash { padding: 11px 14px; border-radius: var(--radius-sm); margin-bottom: 14px; font-weight: 500; }
.flash.err { background: var(--danger-soft); color: var(--danger); }

/* Auth ------------------------------------------------------------------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow-lg); padding: 30px 28px; width: 100%; max-width: 360px; }
.auth-card .brand { border: none; padding: 0 0 4px; font-size: 20px; }
.auth-card p.tag { color: var(--muted); margin: 0 0 20px; font-size: 13px; }
.auth-card .field { margin-bottom: 14px; }
.auth-card input { width: 100%; }
.auth-card .btn-primary { width: 100%; justify-content: center; padding: 10px; margin-top: 4px; }

/* Responsive ------------------------------------------------------------- */
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; z-index: 30; width: var(--sidebar-w); transform: translateX(-100%);
    transition: transform .2s ease; }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .menu-btn { display: inline-flex; }
  .content { padding: 18px 16px; }
  .scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 20; }
  .scrim.show { display: block; }
}