:root {
    --green: #0f6b47;
    --green-dark: #0a4d33;
    --gold: #c9a227;
    --bg: #f7f6f2;
    --text: #22302a;
    --border: #dcd8cd;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

.site-header { background: var(--green); color: #fff; padding: 14px 0; }
.site-header .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.site-header .brand { color: #fff; font-weight: bold; font-size: 1.3em; text-decoration: none; }
.site-header nav a { color: #fff; text-decoration: none; margin-left: 16px; font-size: 0.95em; }
.site-header nav a:hover { text-decoration: underline; }

main.wrap { padding: 30px 20px 60px; min-height: 60vh; }

h1 { color: var(--green-dark); }
h2 { color: var(--green-dark); border-bottom: 2px solid var(--gold); display: inline-block; padding-bottom: 4px; }

.flash { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; }
.flash-success { background: #e1f3e6; color: #1e5c33; border: 1px solid #b8e0c4; }
.flash-error { background: #fbe3e0; color: #8a2e22; border: 1px solid #f0c4bd; }
.flash-info { background: #eaf1fb; color: #1c4a7a; border: 1px solid #c4d8f0; }

.stack-form label { display: block; margin-bottom: 14px; font-weight: 600; }
.stack-form input[type=text], .stack-form input[type=email], .stack-form input[type=password],
.stack-form input[type=date], .stack-form select, .stack-form textarea {
    display: block; width: 100%; max-width: 480px; padding: 8px 10px; margin-top: 4px;
    border: 1px solid var(--border); border-radius: 5px; font-size: 1em;
}
fieldset { border: 1px solid var(--border); border-radius: 6px; margin-bottom: 20px; padding: 16px; }
legend { font-weight: bold; color: var(--green-dark); padding: 0 6px; }
.hint { color: #666; font-size: 0.9em; }

button, .btn {
    background: var(--green); color: #fff; border: none; padding: 10px 20px;
    border-radius: 5px; font-size: 1em; cursor: pointer; text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { background: var(--green-dark); }
.btn-secondary { background: #8a6d1a; }
.btn-secondary:hover { background: #6e5714; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin: 20px 0; }
.card {
    background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 16px;
    text-decoration: none; color: var(--text); display: block; margin-bottom: 16px;
}
.card:hover { border-color: var(--gold); }
.card h3 { margin: 0 0 8px; color: var(--green-dark); }

.filter-form { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-form input { padding: 8px; border: 1px solid var(--border); border-radius: 5px; }

.profile-photo { max-width: 260px; border-radius: 8px; display: block; margin-bottom: 16px; }
.profile-photo-thumb { max-width: 140px; border-radius: 6px; display: block; margin: 10px 0; }
.photo-locked {
    background: #f0ede3; border: 1px dashed var(--border); border-radius: 6px;
    padding: 30px; text-align: center; color: #777; margin-bottom: 16px; max-width: 260px;
}
.profile-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.profile-table th { text-align: left; width: 160px; padding: 8px; vertical-align: top; color: var(--green-dark); }
.profile-table td { padding: 8px; }

.admin-table { width: 100%; border-collapse: collapse; background: #fff; }
.admin-table th, .admin-table td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
.admin-table th { background: var(--green); color: #fff; }

.message-thread { max-width: 600px; margin-bottom: 20px; }
.message { padding: 10px 14px; border-radius: 8px; margin-bottom: 10px; max-width: 80%; }
.message-mine { background: #d9f0e0; margin-left: auto; }
.message-theirs { background: #eee; }
.message-time { font-size: 0.75em; color: #888; display: block; margin-top: 4px; }

.hero { text-align: center; padding: 40px 0; }
.hero p { max-width: 640px; margin: 16px auto; }
.how-it-works { max-width: 640px; margin: 0 auto 40px; }

.site-footer { background: var(--green-dark); color: #ddd; padding: 20px 0; font-size: 0.85em; text-align: center; }