:root {
    --fp-bg: #f6f7fb;
    --fp-surface: #ffffff;
    --fp-text: #1a1a2e;
    --fp-muted: #6c757d;
    --fp-border: #e4e6eb;
    --fp-accent: #4263eb;
    --fp-accent-hover: #364fc7;
    --fp-radius: 10px;
    --fp-shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 2px 8px rgba(0, 0, 0, .04);
}

[data-bs-theme="dark"] {
    --fp-bg: #0f1117;
    --fp-surface: #1a1d24;
    --fp-text: #e7e9ee;
    --fp-muted: #95a0b1;
    --fp-border: #2a2e38;
    --fp-accent: #5c7cfa;
    --fp-accent-hover: #4263eb;
    --fp-shadow: 0 1px 3px rgba(0, 0, 0, .35), 0 2px 8px rgba(0, 0, 0, .2);
}

body {
    background: var(--fp-bg);
    color: var(--fp-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 15px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main.container {
    flex: 1;
    padding-top: 24px;
    padding-bottom: 40px;
}

.navbar-fp {
    background: var(--fp-surface);
    border-bottom: 1px solid var(--fp-border);
    box-shadow: var(--fp-shadow);
}

.navbar-fp .navbar-brand {
    font-weight: 600;
    color: var(--fp-text);
}

.navbar-fp .nav-link {
    color: var(--fp-muted);
    font-weight: 500;
    transition: color .15s;
}

.navbar-fp .nav-link:hover,
.navbar-fp .nav-link.active {
    color: var(--fp-accent);
}

.navbar-fp .nav-link i {
    margin-right: 4px;
}

.theme-toggle {
    background: none;
    border: 0;
    color: var(--fp-muted);
    font-size: 18px;
    padding: 6px 10px;
    border-radius: 6px;
    transition: background .15s, color .15s;
}
.theme-toggle:hover { background: var(--fp-border); color: var(--fp-text); }

.card {
    background: var(--fp-surface);
    border: 1px solid var(--fp-border);
    border-radius: var(--fp-radius);
    box-shadow: var(--fp-shadow);
}

.card-title {
    font-weight: 600;
    color: var(--fp-text);
    margin-bottom: 16px;
}

h1.page-title {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--fp-text);
}

h2.section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--fp-text);
}

.text-muted-fp { color: var(--fp-muted) !important; }

.code-inline {
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
    background: var(--fp-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--fp-text);
}

.code-tx {
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    font-size: 12px;
    background: var(--fp-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--fp-text);
    display: inline-block;
    max-width: 100%;
    word-break: break-all;
    overflow-wrap: anywhere;
    line-height: 1.4;
}

.toast-container-fp {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1080;
    pointer-events: none;
}

.toast-container-fp .toast {
    pointer-events: auto;
    min-width: 280px;
}

@media (max-width: 768px) {
    main.container {
        padding-top: 16px;
    }
    h1.page-title {
        font-size: 22px;
        margin-bottom: 16px;
    }
    .toast-container-fp {
        top: 70px;
        right: 12px;
        left: 12px;
    }
}