* { box-sizing: border-box; }
:root {
    --bg: #f6f5f1;
    --card: #fff;
    --text: #1a1a1a;
    --muted: #6b6b6b;
    --border: #e3e1da;
    --accent: #2d5a3d;
    --accent-hover: #1f4029;
    --danger: #b23a3a;
    --ok: #2d5a3d;
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
.center {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}
.container { max-width: 1100px; margin: 1.5rem auto; padding: 0 1rem; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.75rem;
    margin-bottom: 1.25rem;
    max-width: 100%;
}
.center .card { width: 380px; }
h1 { margin: 0 0 .5rem; font-size: 1.5rem; font-weight: 600; }
h2 { margin: 0 0 1rem; font-size: 1.2rem; font-weight: 600; }
h3 { margin: 0 0 .75rem; font-size: 1rem; font-weight: 600; color: var(--muted); }
.muted { color: var(--muted); font-size: .9rem; }
label { display: block; font-size: .85rem; color: var(--muted); margin: .75rem 0 .25rem; }
input, select {
    width: 100%;
    padding: .6rem .75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    font-size: 1rem;
    font-family: inherit;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.code-input, .phone-input {
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: .15rem;
    font-variant-numeric: tabular-nums;
    margin: 1rem 0;
}
button {
    background: var(--accent);
    color: #fff;
    border: 0;
    padding: .6rem 1.2rem;
    border-radius: 6px;
    font-size: .95rem;
    cursor: pointer;
    margin-top: 1rem;
    font-family: inherit;
}
button:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #8a2a2a; }
.msg {
    background: #fff8e1;
    border: 1px solid #f0d68a;
    padding: .6rem .8rem;
    border-radius: 6px;
    margin: 1rem 0;
    font-size: .9rem;
}
.msg.err { background: #fde7e7; border-color: #f0a0a0; color: var(--danger); }
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .5rem 1rem;
    margin-top: 1rem;
}
.grid .col2 { grid-column: span 2; }
@media (max-width: 600px) {
    .grid { grid-template-columns: 1fr; }
    .grid .col2 { grid-column: span 1; }
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: .5rem;
    font-size: .9rem;
}
th, td {
    padding: .6rem .5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
th { color: var(--muted); font-weight: 500; font-size: .8rem; }
code {
    font-family: 'SF Mono', Menlo, monospace;
    background: #f0eee7;
    padding: .15rem .4rem;
    border-radius: 4px;
}
.topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid var(--border);
}
.topbar strong { font-size: 1rem; }
.topbar .link, .link {
    margin-left: auto;
    color: var(--accent);
    text-decoration: none;
    font-size: .9rem;
}
.ok { color: var(--ok); font-weight: 500; }
.mail-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}
.mail-item:last-child { border-bottom: 0; }
.mail-subj { font-weight: 600; }
.mail-from { color: var(--muted); font-size: .85rem; }
.mail-date { color: var(--muted); font-size: .8rem; margin-top: .25rem; }
details { margin-top: .5rem; font-size: .9rem; }
details summary { cursor: pointer; color: var(--accent); }
pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    background: #faf9f5;
    padding: .75rem;
    border-radius: 6px;
    font-size: .85rem;
    max-height: 300px;
    overflow: auto;
}