/* ============================================================================
   styles.css — Mobile-first design system for the Accredited Investor Tool.
   No frameworks, no CDNs: fully self-contained and offline-capable.
   ========================================================================== */

:root {
    --c-primary: #1d4ed8;
    --c-primary-dark: #1e3a8a;
    --c-primary-soft: #eff6ff;
    --c-ink: #0f172a;
    --c-body: #334155;
    --c-muted: #64748b;
    --c-line: #e2e8f0;
    --c-bg: #f1f5f9;
    --c-card: #ffffff;
    --c-pass: #15803d;
    --c-pass-soft: #f0fdf4;
    --c-fail: #b91c1c;
    --c-fail-soft: #fef2f2;
    --c-warn: #b45309;
    --c-warn-soft: #fffbeb;
    --c-portal: #0f766e;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 4px 14px rgba(15, 23, 42, 0.05);
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font);
    background: var(--c-bg);
    color: var(--c-body);
    font-size: 16px;
    line-height: 1.55;
    padding-bottom: 5.5rem; /* room for sticky bottom nav */
}
body.modal-open { overflow: hidden; }

h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.25; margin: 0 0 0.5rem; }
p { margin: 0 0 0.5rem; }
a { color: var(--c-primary); }
code { background: var(--c-bg); padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.9em; }
.muted { color: var(--c-muted); }
.text-pass { color: var(--c-pass); font-weight: 600; }
.text-fail { color: var(--c-fail); font-weight: 600; }
.req { color: var(--c-fail); }
.optional { color: var(--c-muted); font-weight: 400; font-size: 0.85em; font-style: italic; }

/* --- Header ---------------------------------------------------------------- */
.app-header {
    background: var(--c-card);
    border-bottom: 1px solid var(--c-line);
    position: sticky;
    top: 0;
    z-index: 30;
}
.app-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    max-width: 60rem;
    margin: 0 auto;
}
.app-header__brand { display: flex; align-items: center; gap: 0.6rem; min-width: 0; }
.app-header__brand > div { min-width: 0; }
.app-header__logo { font-size: 1.6rem; }
.app-header__title { font-weight: 700; color: var(--c-ink); font-size: 0.95rem; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-header__firm { font-size: 0.75rem; color: var(--c-muted); margin: 0; }
.app-header__actions { display: flex; align-items: center; gap: 0.35rem; flex-shrink: 0; }
.save-indicator { font-size: 0.75rem; color: var(--c-pass); opacity: 0; transition: opacity 0.3s; }
.save-indicator--flash { opacity: 1; }

/* --- Progress --------------------------------------------------------------- */
.progress { max-width: 60rem; margin: 0 auto; padding: 0 1rem 0.6rem; }
.progress__track { height: 4px; background: var(--c-line); border-radius: 2px; overflow: hidden; margin-bottom: 0.5rem; }
.progress__fill { height: 100%; background: var(--c-primary); border-radius: 2px; transition: width 0.35s ease; }
.progress__rail {
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.progress__rail::-webkit-scrollbar { display: none; }
.progress-dot {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    border: none;
    background: transparent;
    color: var(--c-muted);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    cursor: pointer;
    white-space: nowrap;
    font-family: inherit;
}
.progress-dot__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: var(--c-line);
    color: var(--c-muted);
    font-size: 0.68rem;
    flex-shrink: 0;
}
.progress-dot--active { background: var(--c-primary-soft); color: var(--c-primary); }
.progress-dot--active .progress-dot__num { background: var(--c-primary); color: #fff; }
.progress-dot--done { color: var(--c-pass); }
.progress-dot--done .progress-dot__num { background: var(--c-pass-soft); color: var(--c-pass); }
.progress-dot:disabled { opacity: 0.45; cursor: not-allowed; }

/* --- Layout ------------------------------------------------------------------ */
.app-main { max-width: 60rem; margin: 0 auto; padding: 1rem; }
.section-heading { margin: 1.5rem 0 0.75rem; font-size: 1.15rem; }
.section-heading__note { font-size: 0.8rem; color: var(--c-muted); font-weight: 500; }

/* --- Cards --------------------------------------------------------------------- */
.card {
    background: var(--c-card);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.1rem;
    margin-bottom: 1rem;
}
.card__title { font-size: 1.05rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.card__desc { color: var(--c-muted); font-size: 0.9rem; margin-bottom: 0.9rem; }
.card--accent { border-left: 4px solid var(--c-primary); }
.card--hero { background: linear-gradient(135deg, var(--c-primary-dark), var(--c-primary)); border: none; color: #dbeafe; }
.hero__title { color: #fff; font-size: 1.45rem; margin-bottom: 0.6rem; }
.hero__sub { font-size: 0.95rem; margin: 0; }
.hero__sub strong { color: #fff; }

/* --- Forms ------------------------------------------------------------------------ */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 0.9rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--c-ink); margin-bottom: 0.3rem; }
.field__hint { font-size: 0.78rem; color: var(--c-muted); margin: 0.3rem 0 0; }
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], select, textarea {
    width: 100%;
    font: inherit;
    font-size: 1rem;
    color: var(--c-ink);
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 0.6rem 0.75rem;
    transition: border-color 0.15s, box-shadow 0.15s;
    min-height: 44px; /* touch target */
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}
textarea { resize: vertical; }
.currency-wrap { position: relative; }
.currency-wrap::before {
    content: "$";
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--c-muted);
    font-weight: 600;
    pointer-events: none;
}
.currency-wrap input { padding-left: 1.6rem; text-align: right; }

.check-row {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.55rem 0.25rem;
    cursor: pointer;
    font-size: 0.92rem;
}
.check-row input { width: 1.15rem; height: 1.15rem; margin-top: 0.15rem; flex-shrink: 0; accent-color: var(--c-primary); }

/* --- Choice / path cards -------------------------------------------------------------- */
.choice-grid { display: grid; grid-template-columns: 1fr; gap: 0.6rem; }
.choice {
    display: block;
    border: 2px solid var(--c-line);
    border-radius: var(--radius);
    padding: 0.85rem;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.choice input { position: absolute; opacity: 0; }
.choice--active { border-color: var(--c-primary); background: var(--c-primary-soft); }
.choice__title { display: block; font-weight: 700; color: var(--c-ink); }
.choice__desc { display: block; font-size: 0.82rem; color: var(--c-muted); margin-top: 0.15rem; }

.path-grid { display: grid; grid-template-columns: 1fr; gap: 0.75rem; }
.path-card {
    position: relative;
    display: block;
    border: 2px solid var(--c-line);
    border-radius: var(--radius);
    padding: 1rem 1rem 1rem 2.9rem;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.path-card input { position: absolute; opacity: 0; }
.path-card__check {
    position: absolute;
    left: 0.9rem;
    top: 1.05rem;
    width: 1.35rem;
    height: 1.35rem;
    border: 2px solid #cbd5e1;
    border-radius: 6px;
    transition: all 0.15s;
}
.path-card--active { border-color: var(--c-primary); background: var(--c-primary-soft); }
.path-card--active .path-card__check {
    background: var(--c-primary);
    border-color: var(--c-primary);
}
.path-card--active .path-card__check::after {
    content: "✓";
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}
.path-card__title { display: block; font-weight: 700; color: var(--c-ink); }
.path-card__rule { display: block; font-size: 0.72rem; color: var(--c-primary); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; margin: 0.1rem 0 0.3rem; }
.path-card__desc { display: block; font-size: 0.85rem; color: var(--c-muted); }

/* --- Buttons -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 0.6rem 1.1rem;
    min-height: 44px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-dark); }
.btn--ghost { background: #fff; color: var(--c-body); border-color: #cbd5e1; }
.btn--ghost:hover { background: var(--c-bg); }
.btn--danger { background: var(--c-fail); color: #fff; }
.btn--portal { background: var(--c-portal); color: #fff; }
.btn--portal:hover { background: #115e59; }
.btn--small { padding: 0.35rem 0.7rem; min-height: 36px; font-size: 0.82rem; }
.btn--large { font-size: 1rem; padding: 0.75rem 1.4rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* --- Notices ---------------------------------------------------------------------------- */
.notice {
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    border: 1px solid var(--c-line);
    background: var(--c-card);
}
.notice--info { border-color: #bfdbfe; background: var(--c-primary-soft); color: var(--c-primary-dark); }
.notice--pass { border-color: #bbf7d0; background: var(--c-pass-soft); color: var(--c-pass); }
.notice--warn { border-color: #fde68a; background: var(--c-warn-soft); color: var(--c-warn); }
.notice--live { color: var(--c-muted); }

/* --- Badges ------------------------------------------------------------------------------- */
.badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.badge--pass { background: var(--c-pass-soft); color: var(--c-pass); }
.badge--fail { background: var(--c-fail-soft); color: var(--c-fail); }
.badge--warn { background: var(--c-warn-soft); color: var(--c-warn); }
.badge--muted { background: var(--c-bg); color: var(--c-muted); }
.badge--rule { background: var(--c-primary-soft); color: var(--c-primary); text-transform: none; letter-spacing: 0; }

/* --- Net worth meter -------------------------------------------------------------------------- */
.nw-meter { position: sticky; top: 6.4rem; z-index: 20; }
.nw-meter__row { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.9rem; }
.nw-meter__row strong { font-size: 1.25rem; color: var(--c-ink); }
.nw-meter[data-state="pass"] .nw-meter__row strong { color: var(--c-pass); }
.nw-meter__bar { height: 8px; background: var(--c-line); border-radius: 4px; overflow: hidden; margin: 0.4rem 0; }
.nw-meter__fill { height: 100%; width: 0; background: var(--c-primary); border-radius: 4px; transition: width 0.4s ease; }
.nw-meter__fill--pass { background: var(--c-pass); }
.nw-meter__hint { font-size: 0.8rem; color: var(--c-muted); margin: 0; }

/* --- Schedules (asset/liability line items) ------------------------------------------------------ */
.schedule__header { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.6rem; }
.schedule__title { font-size: 0.98rem; margin: 0; }
.schedule__desc { font-size: 0.78rem; color: var(--c-muted); margin: 0.1rem 0 0; }
.schedule__subtotal { font-weight: 700; color: var(--c-ink); white-space: nowrap; }
.line-item {
    display: grid;
    grid-template-columns: 1fr 7.5rem 2.25rem;
    gap: 0.4rem;
    align-items: center;
    margin-bottom: 0.4rem;
}
.line-item--new { grid-template-columns: 1fr 7.5rem 4rem; margin-top: 0.6rem; }
.line-item input { min-height: 40px; padding: 0.45rem 0.6rem; font-size: 0.92rem; }
.line-item .currency-wrap input { padding-left: 1.4rem; }
.line-item__remove {
    border: none;
    background: transparent;
    color: var(--c-muted);
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 6px;
    min-height: 40px;
}
.line-item__remove:hover { color: var(--c-fail); background: var(--c-fail-soft); }

/* --- Results ----------------------------------------------------------------------------------------- */
.result { border-left: 6px solid var(--c-muted); }
.result--pass { border-left-color: var(--c-pass); background: var(--c-pass-soft); }
.result--fail { border-left-color: var(--c-fail); background: var(--c-fail-soft); }
.result--warn { border-left-color: var(--c-warn); background: var(--c-warn-soft); }
.result__label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--c-muted); margin-bottom: 0.25rem; }
.result__title { font-size: 1.4rem; }
.result__paths { margin: 0.5rem 0 0; padding: 0; list-style: none; font-weight: 600; color: var(--c-pass); }
.result__paths li { padding: 0.15rem 0; }
.result__note { font-size: 0.88rem; margin-top: 0.5rem; }

.test-row { border-top: 1px solid var(--c-line); padding: 0.85rem 0; }
.test-row:first-of-type { border-top: none; }
.test-row__head { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.test-row__head h3 { font-size: 0.95rem; margin: 0; }
.test-row__rule { font-size: 0.72rem; color: var(--c-muted); font-weight: 500; }
.test-row__detail { font-size: 0.85rem; color: var(--c-muted); margin: 0.35rem 0 0; }

/* --- PFS tables --------------------------------------------------------------------------------------- */
.pfs-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.pfs-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.pfs-table th { text-align: left; border-bottom: 2px solid var(--c-ink); padding: 0.4rem 0.25rem; color: var(--c-ink); }
.pfs-table td { padding: 0.4rem 0.25rem; border-bottom: 1px solid var(--c-line); }
.pfs-table tfoot td { border-bottom: none; border-top: 2px solid var(--c-ink); font-weight: 700; color: var(--c-ink); }
.pfs-table .num { text-align: right; white-space: nowrap; }
.pfs-summary { margin-top: 1rem; border-top: 1px solid var(--c-line); padding-top: 0.75rem; }
.pfs-summary > div { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 0.3rem 0; font-size: 0.92rem; }
.pfs-summary strong { font-size: 1.05rem; color: var(--c-ink); }
.pfs-summary__accredited { background: var(--c-primary-soft); border-radius: 8px; padding: 0.5rem 0.75rem !important; }
.pfs-summary__accredited strong { color: var(--c-primary); font-size: 1.2rem; }
.pfs-summary__accredited em { font-size: 0.78rem; color: var(--c-muted); font-style: normal; }

/* --- Document checklist ---------------------------------------------------------------------------------- */
.doc-progress p { font-size: 0.9rem; margin-bottom: 0.4rem; }
.doc-progress__bar { height: 8px; background: var(--c-line); border-radius: 4px; overflow: hidden; }
.doc-progress__fill { height: 100%; width: 0; background: var(--c-portal); transition: width 0.3s; }
.doc-section__title { font-size: 1rem; }
.doc-section__why { font-size: 0.82rem; color: var(--c-muted); margin-bottom: 0.6rem; }
.doc-item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.6rem 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
}
.doc-item:hover { background: var(--c-bg); }
.doc-item input { width: 1.2rem; height: 1.2rem; margin-top: 0.15rem; flex-shrink: 0; accent-color: var(--c-portal); }
.doc-item__title { display: block; font-size: 0.9rem; color: var(--c-ink); font-weight: 500; }
.doc-item__note { display: block; font-size: 0.78rem; color: var(--c-muted); margin-top: 0.1rem; }
.doc-item input:checked ~ .doc-item__body .doc-item__title { color: var(--c-muted); text-decoration: line-through; }

/* --- Lists ---------------------------------------------------------------------------------------------------- */
.steps-list { padding-left: 1.25rem; margin: 0; }
.steps-list li { margin-bottom: 0.55rem; font-size: 0.92rem; }
.checklist-plain { list-style: none; padding: 0; margin: 0; }
.checklist-plain li { padding: 0.4rem 0 0.4rem 1.5rem; position: relative; font-size: 0.92rem; }
.checklist-plain li::before { content: "•"; color: var(--c-primary); font-weight: 700; position: absolute; left: 0.4rem; }

/* --- Resume banner ----------------------------------------------------------------------------------------------- */
.resume-banner {
    max-width: 60rem;
    margin: 1rem auto 0;
    padding: 0.9rem 1rem;
    background: var(--c-warn-soft);
    border: 1px solid #fde68a;
    border-radius: var(--radius);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-left: 1rem;
    margin-right: 1rem;
}
@media (min-width: 62rem) {
    .resume-banner { margin-left: auto; margin-right: auto; }
}
.resume-banner p { margin: 0; font-size: 0.9rem; }

/* --- Bottom nav -------------------------------------------------------------------------------------------------------- */
.app-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--c-card);
    border-top: 1px solid var(--c-line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.65rem 1rem calc(0.65rem + env(safe-area-inset-bottom));
    z-index: 30;
}
.app-nav .btn { flex-shrink: 0; }
.app-nav__position { font-size: 0.78rem; color: var(--c-muted); white-space: nowrap; }

/* --- Footer ------------------------------------------------------------------------------------------------------------- */
.app-footer {
    max-width: 60rem;
    margin: 0 auto;
    padding: 1rem 1rem 2rem;
    font-size: 0.75rem;
    color: var(--c-muted);
    text-align: center;
}

/* --- Toasts -------------------------------------------------------------------------------------------------------------- */
#toast-container {
    position: fixed;
    bottom: 5.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: min(92vw, 26rem);
}
.toast {
    background: var(--c-ink);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.88rem;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.25);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s, transform 0.3s;
    border-left: 4px solid var(--c-pass);
}
.toast--show { opacity: 1; transform: translateY(0); }
.toast--error { border-left-color: #f87171; }

/* --- Modal --------------------------------------------------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    z-index: 100;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1rem;
}
.modal {
    background: var(--c-card);
    border-radius: 14px;
    width: 100%;
    max-width: 30rem;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.35);
}
.modal--wide { max-width: 36rem; }
.modal__header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.1rem 0.5rem; }
.modal__title { font-size: 1.1rem; margin: 0; }
.modal__close { border: none; background: transparent; font-size: 1.6rem; color: var(--c-muted); cursor: pointer; line-height: 1; padding: 0.25rem; }
.modal__body { padding: 0.25rem 1.1rem 1rem; overflow-y: auto; font-size: 0.92rem; }
.modal__footer { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: flex-end; padding: 0.75rem 1.1rem 1.1rem; border-top: 1px solid var(--c-line); }

/* --- Tablet / desktop ------------------------------------------------------------------------------------------------------------ */
@media (min-width: 40rem) {
    .form-grid { grid-template-columns: 1fr 1fr; }
    .form-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
    .choice-grid { grid-template-columns: 1fr 1fr; }
    .choice-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
    .path-grid { grid-template-columns: repeat(3, 1fr); }
    .pfs-grid { grid-template-columns: 1fr 1fr; }
    .modal-overlay { align-items: center; }
    .card { padding: 1.4rem; }
    .hero__title { font-size: 1.8rem; }
    .line-item { grid-template-columns: 1fr 9rem 2.5rem; }
    .line-item--new { grid-template-columns: 1fr 9rem 5rem; }
}

/* --- Print (client can save the whole thing as PDF) --------------------------------------------------------------------------------- */
@media print {
    body { background: #fff; padding-bottom: 0; font-size: 11pt; }
    .app-header, .app-nav, .resume-banner, .btn, .btn-row, #toast-container, .modal-overlay, .progress { display: none !important; }
    .card { box-shadow: none; border: 1px solid #cbd5e1; page-break-inside: avoid; }
    .nw-meter { position: static; }
    a { color: inherit; text-decoration: none; }
}