:root {
    --bg: #f6f7f9;
    --fg: #1d2229;
    --muted: #6b7280;
    --card: #ffffff;
    --border: #e2e5ea;
    --primary: #1d4ed8;
    --primary-dark: #1e40af;
    --error-bg: #fdecec;
    --error-fg: #b91c1c;
    --warn-bg: #fef7e6;
    --warn-fg: #92600a;
    --info-bg: #eaf1fd;
    --info-fg: #1e40af;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--fg);
    font-size: 15px;
    line-height: 1.5;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: #101623;
    color: #fff;
    padding: 0.6rem 1.5rem;
}

.brand { font-weight: 700; white-space: nowrap; }
.brand-sub { font-weight: 400; opacity: 0.55; font-size: 0.85em; margin-left: 0.4rem; }

.topbar nav { display: flex; gap: 0.25rem; flex: 1; flex-wrap: wrap; }
.topbar nav a {
    color: #cbd5e1;
    text-decoration: none;
    padding: 0.35rem 0.7rem;
    border-radius: 6px;
}
.topbar nav a:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }

.logout-form { display: flex; align-items: center; gap: 0.75rem; margin: 0; }
.logout-form .user { color: #94a3b8; font-size: 0.9em; }

.container { max-width: 1080px; margin: 2rem auto; padding: 0 1.5rem; }

h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 0.75rem; }
.muted { color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.1rem 1.3rem;
}
.card-num { font-size: 1.9rem; font-weight: 700; }
.card-label { color: var(--muted); font-size: 0.9em; }

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}
th, td { text-align: left; padding: 0.55rem 0.9rem; border-bottom: 1px solid var(--border); }
th { background: #fafbfc; font-weight: 600; font-size: 0.85em; color: var(--muted); }
tr:last-child td { border-bottom: none; }

.alert { padding: 0.8rem 1rem; border-radius: 8px; margin: 1rem 0; }
.alert-error { background: var(--error-bg); color: var(--error-fg); }
.alert-warn { background: var(--warn-bg); color: var(--warn-fg); }
.alert-info { background: var(--info-bg); color: var(--info-fg); }
.alert-success { background: #dcf5e3; color: #166534; }

.btn {
    display: inline-block;
    border: none;
    border-radius: 7px;
    padding: 0.55rem 1.1rem;
    font-size: 0.95em;
    cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; width: 100%; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; color: #cbd5e1; border: 1px solid #334155; padding: 0.3rem 0.8rem; }
.btn-ghost:hover { color: #fff; border-color: #64748b; }

.login-box {
    max-width: 360px;
    margin: 8vh auto 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
}
.login-box h1 { margin-bottom: 0.25rem; }
.login-box p { margin-top: 0; }
.login-box label { display: block; margin: 1rem 0 0.3rem; font-weight: 600; font-size: 0.9em; }
.login-box input {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 1em;
}
.login-box .btn { margin-top: 1.4rem; }

code { background: rgba(0, 0, 0, 0.06); padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.9em; }

.badge {
    display: inline-block;
    padding: 0.15em 0.6em;
    border-radius: 999px;
    font-size: 0.8em;
    font-weight: 600;
    white-space: nowrap;
}
.badge-green  { background: #dcf5e3; color: #166534; }
.badge-yellow { background: #fdf1cf; color: #92600a; }
.badge-red    { background: #fdecec; color: #b91c1c; }
.badge-grey   { background: #eceef1; color: #5b6472; }

.path { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85em; word-break: break-all; }
.btn-inline { width: auto; margin-right: 0.75rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 0.5rem; }

fieldset {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    padding: 1rem 1.3rem 1.3rem;
    margin: 0 0 1.2rem;
}
legend { font-weight: 700; padding: 0 0.4rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0.9rem 1.2rem; }

form label { display: block; margin-bottom: 0.6rem; font-weight: 600; font-size: 0.9em; }
form input[type="text"], form input[type="number"], form select, form textarea {
    width: 100%;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95em;
    font-weight: 400;
    margin-top: 0.25rem;
}
form textarea.code, pre.code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.82em;
    line-height: 1.45;
}
pre.code {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.8rem;
    overflow-x: auto;
}
form input:disabled { background: #f2f4f6; color: var(--muted); }

label.check { font-weight: 400; display: flex; align-items: flex-start; gap: 0.45rem; margin: 0.35rem 0; }
label.check input { margin-top: 0.25rem; }
.hint { display: block; font-weight: 400; color: var(--muted); font-size: 0.85em; margin-top: 0.2rem; }

.inline-form { display: inline; margin: 0; }
.btn-small { padding: 0.25rem 0.7rem; font-size: 0.85em; background: #eceef1; color: var(--fg); }
.btn-small:hover { background: #dfe3e8; }

.diff { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.2rem; }
.alert ul { margin: 0.4rem 0 0; padding-left: 1.2rem; }

.spaced { margin-top: 0.6rem; }
.alert ol { margin: 0.4rem 0 0; padding-left: 1.3rem; }
.freq-form { margin-top: 0.6rem; }

.filter-bar { display: flex; gap: 1.2rem; align-items: flex-end; margin-bottom: 1rem; }
.filter-bar label { margin: 0; }
pre.code.log { max-height: 30rem; overflow: auto; white-space: pre-wrap; word-break: break-word; }