:root {
    --bg: #f6f7f9;
    --card: #ffffff;
    --ink: #1f2430;
    --muted: #6b7280;
    --line: #e5e7eb;
    --accent: #2563eb;
    --ok: #16a34a;
    --err: #dc2626;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
}

.page { min-height: 100vh; }

.topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1rem;
    height: 52px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 700; margin-right: 1rem; }
.topbar .spacer { flex: 1; }
.topbar .user { color: var(--muted); font-size: .9rem; }
.navlink {
    text-decoration: none;
    color: var(--ink);
    padding: .35rem .6rem;
    border-radius: 6px;
}
.navlink.active { background: #eef2ff; color: var(--accent); }
.logout-form { margin: 0; }
.linkbtn {
    border: none; background: none; color: var(--accent);
    cursor: pointer; font-size: .9rem;
}

main { padding: 1.25rem; max-width: 1100px; margin: 0 auto; }

h1 { font-size: 1.4rem; margin: 0 0 1rem; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }

.grid { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.grid th, .grid td { text-align: left; padding: .6rem .8rem; border-bottom: 1px solid var(--line); }
.grid th { background: #fafafa; font-size: .85rem; color: var(--muted); }
.grid tr:last-child td { border-bottom: none; }

.controls { display: flex; flex-wrap: wrap; gap: .8rem; align-items: end; margin-bottom: .8rem; }
.controls label { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); gap: .25rem; }
.controls input, .controls select { padding: .4rem; border: 1px solid var(--line); border-radius: 6px; font-size: .95rem; }

.mode-toggle button {
    border: 1px solid var(--line); background: var(--card); padding: .45rem .8rem;
    cursor: pointer;
}
.mode-toggle button:first-child { border-radius: 6px 0 0 6px; }
.mode-toggle button:last-child { border-radius: 0 6px 6px 0; border-left: none; }
.mode-toggle button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.map { height: 62vh; width: 100%; border: 1px solid var(--line); border-radius: 8px; }

.readout {
    display: flex; gap: 1.2rem; flex-wrap: wrap;
    margin-top: .6rem; padding: .6rem .8rem;
    background: var(--card); border: 1px solid var(--line); border-radius: 8px;
    font-size: .9rem;
}

.form-card, .login-card {
    background: var(--card); border: 1px solid var(--line); border-radius: 8px;
    padding: 1.2rem; max-width: 460px; display: flex; flex-direction: column; gap: .8rem;
}
.form-card label { display: flex; flex-direction: column; gap: .3rem; font-size: .9rem; }
.form-card input, .form-card select { padding: .45rem; border: 1px solid var(--line); border-radius: 6px; }
.form-card fieldset { border: 1px solid var(--line); border-radius: 6px; }
.form-card .row { display: flex; align-items: center; gap: .4rem; margin: .3rem 0; font-size: .9rem; }
.form-card .row input { width: 72px; }

button {
    background: var(--accent); color: #fff; border: none; border-radius: 6px;
    padding: .55rem .9rem; cursor: pointer; font-size: .95rem;
}
button:disabled { opacity: .6; cursor: default; }

.status { padding: .5rem .7rem; border-radius: 6px; font-size: .9rem; }
.status.ok { background: #ecfdf5; color: var(--ok); }
.status.error, .error { background: #fef2f2; color: var(--err); padding: .5rem .7rem; border-radius: 6px; font-size: .9rem; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--bg); }
.login-card { width: 320px; }
.login-card h1 { margin: 0; }
.login-card .sub { margin: 0 0 .5rem; color: var(--muted); }
.login-card label { display: flex; flex-direction: column; gap: .3rem; font-size: .9rem; }
.login-card input { padding: .5rem; border: 1px solid var(--line); border-radius: 6px; }