:root {
    --navy: #071422;
    --navy-2: #0d2238;
    --ink: #132033;
    --muted: #5d6b7c;
    --line: #d7e0ea;
    --paper: #f4f7fb;
    --card: #ffffff;
    --accent: #14b8a6;
    --accent-2: #0f766e;
    --gold: #c9a227;
    --danger: #c2413b;
    --ok: #15803d;
}

html, body {
    height: 100%;
}

body.pf-app {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Segoe UI", "Trebuchet MS", system-ui, sans-serif;
    display: grid;
    grid-template-columns: 260px 1fr;
}

.pf-sidebar {
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
    color: #e8eef6;
    padding: 1.4rem 1rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.pf-brand {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    color: inherit;
    text-decoration: none;
    margin-bottom: 2rem;
}

.pf-brand small, .pf-pay-head small {
    display: block;
    color: #93a4b8;
    font-size: 0.75rem;
}

.pf-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--accent);
    color: var(--navy);
    font-weight: 800;
}

.pf-sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.pf-sidebar nav a {
    color: #d5deea;
    text-decoration: none;
    padding: 0.6rem 0.75rem;
    border-radius: 10px;
}

.pf-sidebar nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.pf-sidebar-foot {
    margin-top: auto;
    font-size: 0.85rem;
    color: #93a4b8;
}

.pf-sidebar-foot a { color: var(--accent); }

.pf-main { min-width: 0; }

.pf-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.4rem 2rem 0.5rem;
}

.pf-top h1 {
    font-size: 1.45rem;
    margin: 0;
}

.pf-top p {
    margin: 0.15rem 0 0;
    color: var(--muted);
}

.pf-env {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    border: 1px solid var(--gold);
    color: #8a7010;
    padding: 0.3rem 0.6rem;
    border-radius: 999px;
    background: #fff8e1;
}

.pf-content { padding: 1rem 2rem 3rem; }

.pf-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.pf-stats article {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1rem 1.1rem;
}

.pf-stats span { color: var(--muted); font-size: 0.85rem; }
.pf-stats strong { display: block; font-size: 1.25rem; margin-top: 0.35rem; }

.pf-panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1.2rem;
    margin-bottom: 1rem;
}

.pf-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.pf-panel h2, .pf-panel h3 { font-size: 1.05rem; }

.pf-table { width: 100%; }
.pf-table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
.pf-table td, .pf-table th { padding: 0.65rem 0.4rem; border-bottom: 1px solid var(--line); }
.pf-table a { color: var(--accent-2); text-decoration: none; }

.pf-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    background: #e8eef6;
}

.pf-badge.succeeded { background: #dcfce7; color: var(--ok); }
.pf-badge.failed, .pf-badge.cancelled { background: #fee2e2; color: var(--danger); }
.pf-badge.refunded { background: #fef3c7; color: #92400e; }
.pf-badge.awaiting3dsecure { background: #dbeafe; color: #1e40af; }

.pf-btn, .btn.pf-btn {
    background: var(--accent-2);
    border: 0;
    color: #fff;
    border-radius: 10px;
    padding: 0.55rem 1rem;
}

.pf-btn-block { width: 100%; margin-top: 1rem; }
.pf-toolbar { margin-bottom: 1rem; display: flex; gap: 0.4rem; }
.pf-form label { margin-top: 0.8rem; font-weight: 600; }
.pf-dl { display: grid; grid-template-columns: 140px 1fr; gap: 0.45rem 1rem; }
.pf-split { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pf-empty, .pf-hint { color: var(--muted); }
.pf-docs pre {
    background: var(--navy);
    color: #d7fbee;
    padding: 1rem;
    border-radius: 12px;
    overflow: auto;
}

body.pf-pay-body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(1200px 500px at 10% -10%, #134e4a 0%, transparent 50%),
        linear-gradient(165deg, #071422, #123047);
    color: #e8eef6;
    font-family: "Segoe UI", "Trebuchet MS", system-ui, sans-serif;
}

.pf-pay-shell {
    max-width: 980px;
    margin: 2.5rem auto;
    padding: 0 1rem 2rem;
}

.pf-pay-head {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.pf-pay-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1.25rem;
}

.pf-pay-card, .pf-pay-summary, .pf-3d, .pf-result {
    background: #fff;
    color: var(--ink);
    border-radius: 20px;
    padding: 1.4rem;
}

.pf-cc {
    background: linear-gradient(135deg, #0f766e, #134e4a 40%, #1e3a5f);
    color: #fff;
    border-radius: 18px;
    padding: 1.2rem;
    min-height: 170px;
    margin-bottom: 1.2rem;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.pf-cc-top { display: flex; justify-content: space-between; opacity: 0.85; }
.pf-cc-num { font-size: 1.25rem; letter-spacing: 0.12em; margin: 2rem 0 1rem; font-variant-numeric: tabular-nums; }
.pf-cc-row { display: flex; justify-content: space-between; font-size: 0.85rem; text-transform: uppercase; }
.pf-pay-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.pf-pay-card label {
    display: block;
    font-weight: 600;
    margin: 0.85rem 0 0.35rem;
}
.pf-pay-fields {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 0.7rem;
}
.pf-pay-summary ul { padding-left: 1.1rem; }
.pf-pay-total { display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 0.8rem; margin-top: 0.8rem; }
.pf-pay-legal { text-align: center; color: #93a4b8; margin-top: 1.5rem; font-size: 0.8rem; }
.pf-3d { max-width: 420px; margin: 0 auto; text-align: center; }
.pf-3d-amount { font-size: 1.6rem; font-weight: 700; }
.pf-result { text-align: center; }
.pf-result.ok { border-top: 6px solid var(--ok); }
.pf-result.fail { border-top: 6px solid var(--danger); }

@media (max-width: 900px) {
    body.pf-app { grid-template-columns: 1fr; }
    .pf-sidebar { min-height: auto; }
    .pf-pay-grid, .pf-split { grid-template-columns: 1fr; }
}