/* ---------------------------------------------------------------------------
   mff-jon design system — palette sampled from myfinancefuture.com planner
   Mobile-first; sidebar becomes a slide-in drawer under 900px.
--------------------------------------------------------------------------- */
:root {
  --navy-900: #1e2a38;   /* editor top bar */
  --navy-800: #2b3a4d;   /* sidebar active */
  --navy-700: #3d5068;
  --teal-600: #2c7f9c;   /* primary buttons */
  --teal-700: #226478;
  --teal-100: #e3f0f5;
  --green-500: #64a70b;  /* progress / done */
  --green-100: #eef6e2;
  --purple-500: #9f4c9a; /* premium accent */
  --orange-500: #f17107;
  --yellow-500: #e6c229;
  --red-600: #b80d0a;
  --grey-050: #f4f7fc;
  --grey-100: #eef1f7;
  --grey-200: #e5e9f2;
  --grey-300: #d6dce5;
  --grey-400: #b9c4d5;
  --grey-500: #8497b0;
  --grey-700: #4a5a70;
  --ink: #22303f;
  --paper: #ffffff;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(30, 42, 56, .12), 0 4px 16px rgba(30, 42, 56, .06);
  --font: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sidebar-w: 280px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink);
  background: var(--grey-050);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: 1.7rem; font-weight: 900; letter-spacing: .02em; color: var(--navy-800); text-transform: uppercase; }
h2 { font-size: 1.15rem; font-weight: 700; color: var(--teal-700); }
h3 { font-size: 1rem; font-weight: 700; color: var(--navy-700); }
p  { margin: 0 0 .8em; }
a  { color: var(--teal-600); }

/* ---- layout -------------------------------------------------------------- */
.app { min-height: 100dvh; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: .75rem;
  background: var(--navy-900); color: #fff;
  padding: .6rem .9rem;
  padding-top: calc(.6rem + env(safe-area-inset-top));
}
.topbar .brand { display: flex; align-items: center; gap: .5rem; font-weight: 900; letter-spacing: .04em; }
.topbar .brand img { height: 26px; }
.topbar .title { font-weight: 700; opacity: .95; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .spacer { flex: 1; }
.topbar .save-state { font-size: .78rem; color: var(--grey-400); }
.topbar button.icon-btn {
  background: none; border: 0; color: #fff; font-size: 1.4rem;
  padding: .2rem .5rem; cursor: pointer; display: none;
}

.layout { display: flex; flex: 1; min-height: 0; }

/* ---- sidebar ------------------------------------------------------------- */
.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  background: var(--grey-100); border-right: 1px solid var(--grey-200);
  display: flex; flex-direction: column;
}
.sidebar nav { flex: 1; overflow-y: auto; padding-bottom: 2rem; }
.snav {
  display: flex; align-items: center; gap: .65rem; width: 100%;
  padding: .8rem .9rem; border: 0; border-bottom: 1px solid var(--grey-200);
  background: var(--paper); text-align: left; cursor: pointer; font-family: inherit;
}
.snav:hover { background: var(--teal-100); }
.snav.active { background: var(--navy-800); color: #fff; }
.snav.active .snav-sub { color: var(--grey-400); }
.snav img { width: 40px; height: 40px; flex: 0 0 40px; }
.snav .snav-txt { flex: 1; min-width: 0; }
.snav .snav-name { font-weight: 900; font-size: .8rem; letter-spacing: .03em; text-transform: uppercase; }
.snav .snav-sub { font-size: .72rem; color: var(--grey-500); }
.snav .snav-prog { width: 18px; height: 18px; border-radius: 4px; flex: 0 0 18px; }
.snav .snav-prog.done { background: var(--green-500); position: relative; }
.snav .snav-prog.done::after { content: '✓'; color: #fff; font-size: .7rem; position: absolute; inset: 0; display: grid; place-items: center; }
.snav .snav-prog.part { background: var(--yellow-500); }
.snav .snav-prog.todo { background: var(--grey-300); }

/* ---- main panel ---------------------------------------------------------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.content { flex: 1; padding: 1.2rem; max-width: 880px; width: 100%; margin: 0 auto; }
.section-foot {
  position: sticky; bottom: 0; z-index: 30;
  background: var(--navy-900); padding: .7rem .9rem;
  padding-bottom: calc(.7rem + env(safe-area-inset-bottom));
  display: flex; justify-content: space-between; gap: .8rem;
}

/* ---- cards & form layout -------------------------------------------------- */
.card {
  background: var(--paper); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1rem 1.1rem; margin-bottom: 1rem;
}
.card > h2 { display: flex; align-items: center; gap: .5rem; }
.hint { font-size: .85rem; color: var(--grey-700); }
.divider { border: 0; border-top: 1px solid var(--grey-200); margin: 1rem 0; }

.grid { display: grid; gap: .8rem 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } .grid .full { grid-column: 1 / -1; } }

.field label { display: block; font-size: .78rem; font-weight: 700; color: var(--navy-700); text-transform: uppercase; letter-spacing: .02em; margin-bottom: .25rem; }
.field .req { color: var(--red-600); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--ink);
  padding: .55rem .65rem; border: 1px solid var(--grey-300); border-radius: 8px;
  background: #fff; min-height: 44px;
}
.field input:focus, .field select:focus { outline: 2px solid var(--teal-600); outline-offset: 0; border-color: var(--teal-600); }
.field .suffix-wrap { position: relative; }
.field .suffix-wrap .suffix { position: absolute; right: .7rem; top: 50%; transform: translateY(-50%); color: var(--grey-500); font-size: .85rem; pointer-events: none; }
.field .prefix-wrap { position: relative; }
.field .prefix-wrap input { padding-left: 1.6rem; }
.field .prefix-wrap .prefix { position: absolute; left: .7rem; top: 50%; transform: translateY(-50%); color: var(--grey-500); }
.field .error { color: var(--red-600); font-size: .78rem; margin-top: .2rem; }
.field .note { color: var(--grey-500); font-size: .75rem; margin-top: .2rem; }

.check { display: flex; gap: .55rem; align-items: flex-start; font-size: .92rem; }
.check input { width: 20px; height: 20px; margin-top: .1rem; }

/* segmented radio group (used for key-question choice etc.) */
.seg { display: grid; gap: .6rem; }
@media (min-width: 640px) { .seg.cols-3 { grid-template-columns: repeat(3, 1fr); } .seg.cols-2 { grid-template-columns: 1fr 1fr; } }
.seg .seg-opt {
  border: 1.5px solid var(--grey-300); border-radius: var(--radius);
  padding: .7rem .8rem; cursor: pointer; background: #fff;
}
.seg .seg-opt.sel { border-color: var(--teal-600); background: var(--teal-100); }
.seg .seg-opt .seg-title { font-weight: 900; font-size: .8rem; text-transform: uppercase; }
.seg .seg-opt .seg-sub { font-size: .8rem; color: var(--grey-700); }

/* repeating entry list */
.entry { border: 1px solid var(--grey-200); border-radius: var(--radius); margin-bottom: .8rem; background: #fff; }
.entry-head {
  display: flex; align-items: center; gap: .6rem; padding: .65rem .8rem; cursor: pointer;
}
.entry-head .entry-title { font-weight: 700; flex: 1; min-width: 0; }
.entry-head .entry-sum { color: var(--grey-500); font-size: .85rem; white-space: nowrap; }
.entry-head .chev { transition: transform .15s; color: var(--grey-500); }
.entry.open .entry-head .chev { transform: rotate(90deg); }
.entry-body { padding: .3rem .8rem .9rem; border-top: 1px solid var(--grey-200); }
.entry-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: .8rem; }

.subgroup { border-left: 3px solid var(--teal-100); padding-left: .8rem; margin: .8rem 0; }
.subgroup > h4 { margin: .2rem 0 .5rem; font-size: .85rem; text-transform: uppercase; color: var(--teal-700); }

/* ---- buttons ------------------------------------------------------------- */
.btn {
  font: inherit; font-weight: 700; letter-spacing: .03em; cursor: pointer;
  border: 0; border-radius: 8px; padding: .65rem 1.1rem; min-height: 44px;
  display: inline-flex; align-items: center; gap: .45rem; justify-content: center;
}
.btn-primary { background: var(--teal-600); color: #fff; }
.btn-primary:hover { background: var(--teal-700); }
.btn-ghost { background: transparent; color: var(--teal-700); border: 1.5px dashed var(--grey-400); width: 100%; }
.btn-ghost:hover { border-color: var(--teal-600); background: var(--teal-100); }
.btn-danger { background: none; color: var(--red-600); border: 1px solid var(--grey-300); }
.btn-sm { padding: .35rem .7rem; min-height: 36px; font-size: .85rem; }

.badge { font-size: .68rem; font-weight: 900; padding: .15rem .45rem; border-radius: 5px; text-transform: uppercase; }
.badge-demo { background: var(--grey-500); color: #fff; }
.badge-green { background: var(--green-500); color: #fff; }

/* ---- plan list / dashboard ------------------------------------------------ */
.plan-card { display: flex; align-items: center; gap: .9rem; }
.plan-card .plan-info { flex: 1; min-width: 0; }
.plan-card .plan-name { font-weight: 900; font-size: 1.05rem; color: var(--navy-800); }
.plan-card .plan-meta { font-size: .8rem; color: var(--grey-500); }
.progress-ring { font-size: .78rem; font-weight: 900; color: var(--green-500); }

/* ---- toast ---------------------------------------------------------------- */
.toast {
  position: fixed; left: 50%; bottom: 1.2rem; transform: translateX(-50%);
  background: var(--navy-900); color: #fff; padding: .6rem 1rem; border-radius: 8px;
  box-shadow: var(--shadow); z-index: 100; font-size: .9rem; max-width: 90vw;
}
.toast.err { background: var(--red-600); }

/* ---- mobile --------------------------------------------------------------- */
@media (max-width: 899px) {
  .topbar button.icon-btn { display: block; }
  .sidebar {
    position: fixed; z-index: 50; top: 0; bottom: 0; left: 0;
    transform: translateX(-100%); transition: transform .2s ease;
    box-shadow: var(--shadow); max-width: 85vw;
  }
  .sidebar.open { transform: translateX(0); }
  .scrim {
    position: fixed; inset: 0; background: rgba(20, 28, 38, .5); z-index: 45;
    opacity: 0; pointer-events: none; transition: opacity .2s;
  }
  .scrim.show { opacity: 1; pointer-events: auto; }
}
@media (min-width: 900px) { .scrim { display: none; } }