/* probe — minimal internal-tool CSS. No frameworks. */

:root {
    --bg: #0f1115;
    --bg-elev: #161a22;
    --bg-elev2: #1e2330;
    --border: #2a3142;
    --text: #e6eaf2;
    --text-muted: #8a93a8;
    --accent: #4f7cff;
    --accent-hover: #6b91ff;
    --ok: #2ecc71;
    --warn: #f59e0b;
    --crit: #ef4444;
    --radius: 6px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
code { font-family: var(--mono); background: var(--bg-elev2); padding: 2px 5px; border-radius: 3px; font-size: 0.9em; }

.muted { color: var(--text-muted); }
.small { font-size: 0.9em; }

/* --- Top nav --- */
.topnav {
    display: flex;
    align-items: center;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 52px;
    gap: 24px;
}

.brand {
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
    letter-spacing: 0.5px;
}
.brand:hover { color: var(--text); text-decoration: none; }

.topnav nav {
    display: flex;
    gap: 4px;
    flex: 1;
}

.nav-link {
    padding: 8px 14px;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-weight: 500;
}
.nav-link:hover {
    background: var(--bg-elev2);
    color: var(--text);
    text-decoration: none;
}

.user-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-link {
    color: var(--text-muted);
    font-size: 13px;
}

.logout-form { margin: 0; }

.logout-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font);
}
.logout-btn:hover {
    background: var(--bg-elev2);
    color: var(--text);
}

/* --- Content --- */
.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

.panel {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}

.panel h1 { margin: 0 0 8px; font-size: 22px; }
.panel h2 { margin: 0 0 12px; font-size: 16px; }

.empty-state {
    background: var(--bg-elev2);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    margin-top: 16px;
}

/* --- Login --- */
.login-container {
    max-width: 360px;
    margin: 80px auto;
    text-align: center;
}

.login-title {
    font-size: 32px;
    margin: 0 0 8px;
    letter-spacing: 1px;
}

.login-tagline {
    color: var(--text-muted);
    margin: 0 0 32px;
    font-size: 13px;
}

.login-form, .stack-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
}

.login-form label, .stack-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.login-form label span, .stack-form label span {
    font-size: 13px;
    color: var(--text-muted);
}

input[type="text"], input[type="password"], input[type="email"], textarea {
    background: var(--bg-elev2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 14px;
    width: 100%;
}
input:focus, textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
    border-color: transparent;
}

.primary-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 11px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
}
.primary-btn:hover {
    background: var(--accent-hover);
}

.error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fda4af;
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
}

.ok {
    background: rgba(46, 204, 113, 0.12);
    border: 1px solid rgba(46, 204, 113, 0.35);
    color: #6ee7b7;
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
}

/* --- Monitor list, detail, form (M2) --- */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.panel-header h1, .panel-header h2 { margin: 0; }

.small-btn { padding: 6px 12px; font-size: 13px; }

.secondary-btn {
    background: var(--bg-elev2);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-family: var(--font);
    font-size: 13px;
}
.secondary-btn:hover { background: var(--border); }

.danger-btn {
    background: transparent;
    color: var(--crit);
    border: 1px solid rgba(239, 68, 68, 0.4);
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-family: var(--font);
    font-size: 13px;
}
.danger-btn:hover { background: rgba(239, 68, 68, 0.12); }

.tag-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin-bottom: 14px;
}

.tag-chip {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--bg-elev2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 12px;
    text-decoration: none;
}
.tag-chip:hover { color: var(--text); text-decoration: none; }
.tag-chip-active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.tag-chip-inline { margin-right: 4px; }
.tag-clear { color: var(--text-muted); }

.monitor-list, .result-list {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.monitor-list th, .result-list th {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}
.monitor-list td, .result-list td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
}
.monitor-list tr:hover { background: var(--bg-elev2); }

.dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #555;
}
.dot-up { background: var(--ok); box-shadow: 0 0 6px rgba(46,204,113,0.45); }
.dot-down { background: var(--crit); box-shadow: 0 0 6px rgba(239,68,68,0.45); }
.dot-pending { background: var(--text-muted); }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-elev2);
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-ok { background: rgba(46, 204, 113, 0.18); color: #6ee7b7; }
.badge-warn { background: rgba(245, 158, 11, 0.18); color: #fcd34d; }
.badge-crit { background: rgba(239, 68, 68, 0.18); color: #fda4af; }

.target {
    color: var(--text);
    background: var(--bg-elev2);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
}

.monitor-form {
    max-width: 720px;
}

.form-row { display: flex; gap: 12px; }
.form-col { flex: 1; }

.config-fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin: 8px 0;
}
.config-fieldset legend {
    padding: 0 8px;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.checkbox-row {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 8px;
}
.checkbox-row input { width: auto !important; }
.checkbox-row span { color: var(--text) !important; font-size: 14px !important; }

select {
    background: var(--bg-elev2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 14px;
}

textarea {
    font-family: var(--mono);
    min-height: 80px;
    resize: vertical;
}

.meta-grid {
    display: grid;
    grid-template-columns: 120px 1fr;
    row-gap: 6px;
    column-gap: 16px;
    margin: 12px 0;
}
.meta-grid dt {
    color: var(--text-muted);
    font-size: 13px;
}
.meta-grid dd {
    margin: 0;
}

.code-block {
    background: var(--bg-elev2);
    padding: 12px;
    border-radius: var(--radius);
    overflow-x: auto;
    font-family: var(--mono);
    font-size: 12px;
    line-height: 1.5;
    color: var(--text);
}

.actions { display: flex; gap: 8px; align-items: center; }