:root {
    --green-900: #1B4332;
    --green-700: #2D6A4F;
    --green-500: #40916C;
    --green-100: #D8F3DC;
    --bg: #F5F5F7;
    --card: #FFFFFF;
    --text: #1A1A2E;
    --text-muted: #6B7280;
    --border: #E5E7EB;
    --danger: #B91C1C;
    --danger-bg: #FEE2E2;
    --success: #166534;
    --success-bg: #DCFCE7;
    --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--green-700); text-decoration: none; }
h1, h2, h3 { margin: 0 0 12px; color: var(--green-900); }

/* ── Top bar ── */
.topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--green-900);
    color: #fff;
    padding: 14px 16px;
    padding-top: calc(14px + env(safe-area-inset-top));
    position: sticky;
    top: 0;
    z-index: 20;
}
.topbar-title { flex: 1; font-weight: 600; font-size: 17px; }
.nav-toggle, .topbar-logout {
    background: none; border: none; color: #fff; font-size: 22px;
    cursor: pointer; line-height: 1; padding: 4px;
}

/* ── Nav drawer ── */
.nav-drawer {
    position: fixed; top: 0; left: -280px; width: 260px; height: 100%;
    background: var(--card); z-index: 40; transition: left .2s ease;
    box-shadow: 2px 0 12px rgba(0,0,0,.15); overflow-y: auto;
}
.nav-drawer.open { left: 0; }
.nav-drawer-user {
    padding: 20px 16px; background: var(--green-100); display: flex;
    flex-direction: column; gap: 6px;
}
.badge {
    display: inline-block; background: var(--green-700); color: #fff;
    font-size: 12px; padding: 2px 8px; border-radius: 999px; width: fit-content;
}
.nav-drawer ul { list-style: none; margin: 0; padding: 8px 0; }
.nav-drawer a {
    display: block; padding: 14px 20px; color: var(--text); font-weight: 500;
    border-left: 3px solid transparent;
}
.nav-drawer a.active { border-left-color: var(--green-700); color: var(--green-700); background: var(--green-100); }
.nav-scrim {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 30;
}
.nav-drawer.open ~ .nav-scrim { display: block; }

/* ── Page & cards ── */
.page { padding: 16px; max-width: 720px; margin: 0 auto; }
.card {
    background: var(--card); border-radius: var(--radius); padding: 16px;
    margin-bottom: 14px; box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.card-list .card { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

/* ── Alerts / flash ── */
.alert { padding: 12px 14px; border-radius: var(--radius); margin-bottom: 14px; font-size: 14px; }
.alert-error { background: var(--danger-bg); color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }

/* ── Forms ── */
label { display: block; margin-bottom: 14px; font-size: 14px; font-weight: 500; color: var(--text-muted); }
input, select, textarea {
    display: block; width: 100%; margin-top: 6px; padding: 12px; font-size: 16px;
    border: 1px solid var(--border); border-radius: 10px; background: #fff; color: var(--text);
    font-family: inherit;
}
textarea { resize: vertical; min-height: 80px; }
.form-row { display: flex; gap: 12px; }
.form-row > label { flex: 1; }

/* ── Buttons ── */
.btn {
    display: inline-block; padding: 12px 20px; border-radius: 10px; border: none;
    font-size: 15px; font-weight: 600; cursor: pointer; text-align: center;
}
.btn-primary { background: var(--green-700); color: #fff; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-block { display: block; width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 13px; }

/* ── Auth page ── */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }
.auth-card {
    background: var(--card); border-radius: 16px; padding: 32px 24px; width: 100%;
    max-width: 380px; box-shadow: 0 4px 24px rgba(0,0,0,.08);
}
.auth-card h1 { text-align: center; }
.auth-subtitle { text-align: center; color: var(--text-muted); margin: 0 0 20px; font-size: 14px; }

/* ── Tables (wrapped for horizontal scroll on small screens) ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

/* ── Misc ── */
.muted { color: var(--text-muted); font-size: 13px; }
.empty-state { text-align: center; padding: 40px 16px; color: var(--text-muted); }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill-active { background: var(--success-bg); color: var(--success); }
.pill-pending { background: #FEF3C7; color: #92400E; }
.pill-done { background: var(--border); color: var(--text-muted); }