:root {
    --bg: #f6f7f9;
    --card: #ffffff;
    --text: #1f2328;
    --text-muted: #6b7280;
    --primary: #2f6fed;
    --primary-dark: #2456c0;
    --border: #e2e5ea;
    --danger: #d33;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.45;
}

.container { max-width: 960px; margin: 0 auto; padding: 1.5rem; }

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

header h1 { margin: 0; font-size: 1.4rem; }

.auth-area { display: flex; align-items: center; gap: 0.75rem; }

.user-email { color: var(--text-muted); font-size: 0.9rem; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.card h2 { margin: 0 0 0.75rem 0; font-size: 1.05rem; }

.muted { color: var(--text-muted); font-size: 0.85rem; }

.btn {
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s;
}

.btn:disabled { opacity: 0.55; cursor: default; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }

.btn-secondary { background: #fff; border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: #f2f4f7; }

.btn-small { padding: 0.3rem 0.6rem; font-size: 0.8rem; background: #fff; border-color: var(--border); }
.btn-small:hover { background: #f2f4f7; }

.actions { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.75rem; flex-wrap: wrap; }

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.toolbar h2 { margin: 0; }

.toolbar input[type="search"] {
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    width: 240px;
    max-width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th, td {
    text-align: left;
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }

.source-name { font-weight: 600; }
.source-key { color: var(--text-muted); font-size: 0.75rem; }

.sched-cell { display: flex; align-items: center; gap: 0.5rem; }

select {
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    font-size: 0.85rem;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge.overridden { background: #fff3cd; color: #7a5c00; }