:root {
    --fp-navy: #0f2540;
    --fp-navy-2: #16324f;
    --fp-teal: #0e9c8f;
    --fp-teal-light: #e6f7f5;
    --fp-bg: #f4f6f9;
    --fp-paper: #f7f6f2;
    --fp-surface: #ffffff;
    --fp-border: #e3e8ef;
    --fp-line-strong: #c9d2de;
    --fp-text-muted: #6b7686;
    --fp-ink: #16202c;
    --fp-amber: #b7791f;
    --fp-amber-bg: #fbf1dd;
    --fp-red: #a4302a;
    --fp-red-bg: #fbeceb;
    --fp-radius: 16px;
    --fp-radius-s: 10px;
    --fp-shadow: 0 8px 24px -12px rgba(15, 37, 64, .18);
    --fp-shadow-sm: 0 1px 3px rgba(15, 37, 64, .06);
    --fp-font-sans: "IBM Plex Sans", "Segoe UI", Roboto, -apple-system, sans-serif;
    --fp-font-serif: "Fraunces", Georgia, "Times New Roman", serif;
    --fp-font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

body {
    background: var(--fp-bg);
    font-family: var(--fp-font-sans);
    color: var(--fp-ink);
}

h1, h2, h3, h4, h5, h6 { font-family: var(--fp-font-serif); font-weight: 600; text-wrap: balance; }

.mono, .fp-mono { font-family: var(--fp-font-mono); font-variant-numeric: tabular-nums; }
.fp-serif { font-family: var(--fp-font-serif); }

a { color: var(--fp-teal); }
a:hover { color: var(--fp-navy); }

/* --- Top bar --- */
.fp-topbar {
    background: linear-gradient(135deg, var(--fp-navy) 0%, var(--fp-navy-2) 100%);
    color: #fff;
    padding: .65rem 1.25rem;
    box-shadow: 0 2px 8px rgba(15, 37, 64, .15);
}
.fp-topbar .fp-brand {
    font-family: var(--fp-font-serif);
    font-weight: 600;
    font-style: italic;
    letter-spacing: .2px;
    font-size: 1.2rem;
    color: #fff;
    text-decoration: none;
}
.fp-topbar .fp-brand:hover { color: #fff; }
.fp-topbar .fp-brand span { color: var(--fp-teal); }
.fp-topbar .fp-brand small { font-family: var(--fp-font-sans); font-style: normal; }

/* --- Layout shell --- */
.fp-shell { display: flex; min-height: calc(100vh - 56px); }
.fp-sidebar {
    width: 240px;
    background: #fff;
    border-right: 1px solid var(--fp-border);
    padding: 1rem .75rem;
    flex-shrink: 0;
}
.fp-sidebar .nav-link {
    color: #3b4757;
    border-radius: .5rem;
    padding: .55rem .75rem;
    margin-bottom: .15rem;
    font-size: .92rem;
    display: flex;
    align-items: center;
    gap: .6rem;
}
.fp-sidebar .nav-link:hover { background: var(--fp-teal-light); color: var(--fp-navy); }
.fp-sidebar .nav-link.active { background: var(--fp-teal); color: #fff; font-weight: 600; }
.fp-sidebar .nav-section-title {
    text-transform: uppercase;
    font-size: .7rem;
    color: var(--fp-text-muted);
    letter-spacing: .08em;
    margin: 1rem .75rem .35rem;
}
.fp-sidebar .badge-count {
    margin-left: auto;
    background: var(--fp-navy);
    color: #fff;
    font-size: .68rem;
}
.fp-sidebar .nav-link.active .badge-count { background: rgba(255,255,255,.25); }

.fp-content { flex: 1; padding: 1.5rem; max-width: 100%; overflow-x: auto; }

/* --- Page masthead (dashboard, queues, detail pages) --- */
.fp-page-head {
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .75rem 1rem;
    margin-bottom: 1.25rem;
}
.fp-page-head h1, .fp-page-head h4 {
    font-size: 1.4rem; font-weight: 600; color: var(--fp-navy); margin: 0 0 .15rem;
}
.fp-page-head .fp-page-sub { font-size: .82rem; color: var(--fp-text-muted); }
.fp-page-head-banner {
    background: linear-gradient(135deg, var(--fp-navy) 0%, var(--fp-navy-2) 100%);
    color: #fff; border-radius: var(--fp-radius); padding: 1.25rem 1.5rem; box-shadow: var(--fp-shadow);
    margin-bottom: 1.25rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.fp-page-head-banner h1 { color: #fff; font-size: 1.5rem; margin: 0 0 .2rem; }
.fp-page-head-banner .fp-page-sub { color: #b8cbdd; }
.fp-page-head-banner .fp-eyebrow { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: #a9d8d2; font-weight: 600; }

/* --- Cards / KPI tiles --- */
.fp-card {
    background: #fff;
    border: 1px solid var(--fp-border);
    border-radius: var(--fp-radius-s);
    padding: 1.1rem 1.25rem;
    box-shadow: var(--fp-shadow-sm);
}
.fp-kpi { display: flex; flex-direction: column; gap: .25rem; }
.fp-kpi .fp-kpi-label { font-size: .78rem; color: var(--fp-text-muted); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.fp-kpi .fp-kpi-value { font-family: var(--fp-font-serif); font-size: 1.85rem; font-weight: 600; color: var(--fp-navy); line-height: 1.15; }
.fp-kpi .fp-kpi-sub { font-size: .78rem; color: var(--fp-text-muted); font-family: var(--fp-font-mono); }
.fp-kpi-icon {
    width: 42px; height: 42px; border-radius: .6rem;
    display: flex; align-items: center; justify-content: center;
    background: var(--fp-teal-light); color: var(--fp-teal); font-size: 1.2rem; flex-shrink: 0;
}

.fp-section-title { font-family: var(--fp-font-serif); font-weight: 600; color: var(--fp-navy); font-size: 1.05rem; margin-bottom: .75rem; }

/* --- Status badges --- */
.badge-status { font-weight: 600; font-size: .72rem; padding: .38em .7em; letter-spacing: .02em; }

/* --- Panel header bars used on payment form / detail sections --- */
.fp-panel-header {
    background: var(--fp-teal-light);
    color: var(--fp-navy);
    font-weight: 700;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: .55rem 1rem;
    border-radius: .5rem;
    margin-bottom: 1rem;
}

/* --- Buttons (shared with the payment wizard) --- */
.fp-btn { font-size: .86rem; font-weight: 600; border-radius: 8px; padding: .5rem 1.05rem; border: 1px solid transparent; cursor: pointer; display: inline-flex; align-items: center; gap: .4rem; text-decoration: none; line-height: 1.3; }
.fp-btn-primary { background: var(--fp-navy); color: #fff; }
.fp-btn-primary:hover { background: #0c1e34; color: #fff; }
.fp-btn-submit, .fp-btn-teal { background: var(--fp-teal); color: #fff; }
.fp-btn-submit:hover, .fp-btn-teal:hover { background: #0c8579; color: #fff; }
.fp-btn-ghost { background: #fff; border-color: var(--fp-line-strong); color: #3b4757; }
.fp-btn-ghost:hover { background: #f4f6f9; color: #3b4757; }
.fp-btn-text { background: none; border: none; color: var(--fp-text-muted); text-decoration: none; }
.fp-btn-text:hover { color: var(--fp-navy); }
.fp-btn-outline { background: #fff; border-color: var(--fp-teal); color: var(--fp-teal); }
.fp-btn-outline:hover { background: var(--fp-teal-light); color: var(--fp-teal); }
.fp-btn-amber { background: var(--fp-amber-bg); border-color: #eddaad; color: var(--fp-amber); }
.fp-btn-amber:hover { background: #f7e6bf; color: var(--fp-amber); }
.fp-btn-danger-outline { background: #fff; border-color: #e6c3c0; color: var(--fp-red); }
.fp-btn-danger-outline:hover { background: var(--fp-red-bg); color: var(--fp-red); }
.fp-btn-sm { font-size: .78rem; padding: .35rem .75rem; }

/* --- Aging / SLA alert row --- */
.fp-aging-row.text-danger { font-weight: 600; }

/* --- Notification bell --- */
.fp-notif-bell { position: relative; color: #fff; }
.fp-notif-bell .badge { position: absolute; top: -4px; right: -8px; }
.fp-notif-dropdown { width: 340px; max-height: 420px; overflow-y: auto; }
.fp-notif-item { padding: .6rem .9rem; border-bottom: 1px solid var(--fp-border); font-size: .85rem; }
.fp-notif-item.unread { background: var(--fp-teal-light); }
.fp-notif-item:last-child { border-bottom: none; }

.required { color: var(--fp-red); }

/* --- Vertical timeline (workflow history, e.g. payment detail page) --- */
.fp-timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.fp-timeline::before { content: ""; position: absolute; left: 5px; top: 4px; bottom: 4px; width: 2px; background: var(--fp-border); }
.fp-timeline li { position: relative; padding: 0 0 1rem 1.4rem; }
.fp-timeline li:last-child { padding-bottom: 0; }
.fp-timeline li::before { content: ""; position: absolute; left: 0; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--fp-teal); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--fp-teal); }
.fp-timeline li.is-negative::before { background: var(--fp-red); box-shadow: 0 0 0 1px var(--fp-red); }
.fp-timeline .fp-tl-action { font-weight: 700; font-size: .84rem; color: var(--fp-ink); }
.fp-timeline .fp-tl-time { font-size: .74rem; color: var(--fp-text-muted); font-family: var(--fp-font-mono); }
.fp-timeline .fp-tl-actor { font-size: .78rem; color: var(--fp-text-muted); }
.fp-timeline .fp-tl-remarks { font-size: .82rem; font-style: italic; color: #3b4757; margin-top: .2rem; }

/* --- Data field grid (read-only key/value pairs, e.g. payment detail) --- */
.fp-field span { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--fp-text-muted); font-weight: 600; margin-bottom: .15rem; }
.fp-field strong { display: block; font-size: .92rem; color: var(--fp-ink); font-weight: 600; }
.fp-field strong.mono { font-family: var(--fp-font-mono); }

/* --- Login / error full-screen pages --- */
.fp-auth-shell { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, var(--fp-navy) 0%, var(--fp-navy-2) 100%); padding: 1.5rem; }
.fp-auth-card { width: 380px; max-width: 100%; background: #fff; border-radius: var(--fp-radius); box-shadow: var(--fp-shadow); padding: 2rem 1.75rem; }
.fp-auth-brand { text-align: center; margin-bottom: 1.5rem; }
.fp-auth-brand .fp-serif { font-size: 1.6rem; font-weight: 600; font-style: italic; color: var(--fp-navy); }
.fp-auth-brand .fp-serif span { color: var(--fp-teal); }
.fp-auth-brand .fp-page-sub { font-size: .8rem; color: var(--fp-text-muted); margin-top: .2rem; }

/* --- Language switcher --- */
.fp-lang-switch .dropdown-toggle::after { vertical-align: middle; }
.fp-lang-switch-guest { position: absolute; top: 1.25rem; right: 1.5rem; z-index: 10; }