:root {
    --bg: #f3f6f8;
    --card: #ffffff;
    --text: #1f2a33;
    --muted: #6b7a86;
    --primary: #1a7a6d;
    --primary-dark: #135e54;
    --danger: #c0392b;
    --warn-bg: #fdecea;
    --border: #d7e0e6;
    --shadow: 0 8px 24px rgba(31, 42, 51, 0.08);
    --radius: 14px;
    --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: linear-gradient(180deg, #e8f3f1 0%, var(--bg) 40%, #eef2f5 100%);
    min-height: 100vh;
}
a { color: var(--primary); }
.wrap { max-width: 960px; margin: 0 auto; padding: 20px; }
.centered {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    border: 1px solid rgba(255,255,255,0.6);
}
.card.narrow { width: 100%; max-width: 480px; }
.header {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}
.header h1 { margin: 0; font-size: 1.45rem; }
.user-line {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 0.95rem;
}
.user-line img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}
.header-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.btn, button, .logout-btn {
    display: inline-block;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    text-decoration: none;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.95rem;
    cursor: pointer;
}
.btn.primary, button.primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn.primary:hover, button.primary:hover { background: var(--primary-dark); }
.btn.full, button.full { width: 100%; }
.btn.danger { color: var(--danger); border-color: #f1c4bf; }
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 16px;
}
@media (max-width: 800px) {
    .grid-2 { grid-template-columns: 1fr; }
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 560px) {
    .form-grid { grid-template-columns: 1fr; }
}
label { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: 4px; }
input[type="text"],
input[type="number"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    background: #fff;
}
textarea { min-height: 70px; resize: vertical; }
.form-actions { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.center { text-align: center; }
.alert {
    padding: 10px 12px;
    border-radius: 10px;
    margin: 12px 0;
}
.alert.error { background: var(--warn-bg); color: var(--danger); }
.alert.ok { background: #e7f6ef; color: #1e6b4f; }
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}
@media (max-width: 700px) {
    .stats { grid-template-columns: 1fr 1fr; }
}
.stat {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
}
.stat .v { font-size: 1.35rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 0.85rem; }
table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
}
th, td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.95rem;
}
th { background: #f0f5f7; color: var(--muted); font-weight: 600; }
tr.critical td { background: #fff1f0; color: var(--danger); font-weight: 600; }
.note-text { color: var(--muted); font-size: 0.85rem; }
.hint-box {
    background: #eef8f6;
    border: 1px solid #cfe8e3;
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 12px;
    color: #2d5a52;
    font-size: 0.92rem;
}
.check-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: 16px 0;
    color: var(--text);
}
.plain-list { padding-left: 18px; color: var(--muted); }
.prose { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.prose h1 { margin-top: 0; }
.login-hero h1 { margin: 0 0 8px; font-size: 1.7rem; }
.login-hero p { color: var(--muted); line-height: 1.45; }
.google-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    margin-top: 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
}
.google-btn:hover { border-color: var(--primary); }
.chart-card { margin-bottom: 16px; }
.chart-wrap { position: relative; height: 320px; }
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: end;
    margin-bottom: 14px;
}
.filter-bar .field { min-width: 180px; }
.footer-links {
    margin-top: 18px;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
}