:root {
    --green: #7DC242;
    --green-dark: #1E7A34;
    --orange: #F5A623;
    --text-dark: #223322;
    --gray-bg: #F4F7F2;
    --border: #E0E8DA;
    --danger: #D9534F;
    --white: #FFFFFF;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--gray-bg);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.navbar {
    background: var(--white);
    border-bottom: 3px solid var(--green);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.navbar .brand { display: flex; align-items: center; gap: 10px; }
.navbar .brand img { height: 42px; }

.navbar nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.navbar nav a { color: var(--text-dark); font-weight: 600; }
.navbar nav a:hover { color: var(--green-dark); text-decoration: none; }

.lang-switch a {
    padding: 3px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
}
.lang-switch a.active { background: var(--green); color: var(--white); border-color: var(--green); }

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 32px 20px;
    flex: 1;
    width: 100%;
}

.hero {
    text-align: center;
    padding: 50px 20px 30px;
}
.hero h1 { font-size: 2.2em; color: var(--green-dark); margin-bottom: 10px; }
.hero p { font-size: 1.1em; color: #555; max-width: 600px; margin: 0 auto 24px; }

.btn {
    display: inline-block;
    background: var(--green);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.2s;
}
.btn:hover { background: var(--green-dark); text-decoration: none; color: var(--white); }
.btn-orange { background: var(--orange); }
.btn-orange:hover { background: #d98c0c; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b3403c; }
.btn-small { padding: 6px 16px; font-size: 0.9em; }

.cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}
@media (max-width: 640px) { .cards { grid-template-columns: 1fr; } }

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
}
.card h3 { color: var(--green-dark); margin-top: 0; }
.card .price-tag {
    display: inline-block;
    background: var(--orange);
    color: var(--white);
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    margin-top: 10px;
}

.form-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 30px;
    max-width: 420px;
    margin: 0 auto;
}
.form-box h2 { color: var(--green-dark); margin-top: 0; text-align: center; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.95em; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1em;
}
.form-group textarea { resize: vertical; }

.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 18px;
    font-size: 0.95em;
}
.alert-error { background: #FCE8E7; color: #A33; border: 1px solid #F0B8B5; }
.alert-success { background: #E9F5E1; color: var(--green-dark); border: 1px solid var(--green); }
.alert-info { background: #FFF3E0; color: #8a5a0a; border: 1px solid var(--orange); }

.balance-box {
    background: var(--green-dark);
    color: var(--white);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    margin-bottom: 24px;
}
.balance-box .amount { font-size: 2.2em; font-weight: 700; }

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
}
table th, table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.92em;
}
table th { background: var(--gray-bg); color: var(--green-dark); }
table tr:last-child td { border-bottom: none; }

.result-text { white-space: pre-line; font-family: monospace; font-size: 0.85em; }

.badge { padding: 3px 10px; border-radius: 12px; font-size: 0.8em; font-weight: 700; color: var(--white); }
.badge-success { background: var(--green); }
.badge-failed { background: var(--danger); }
.badge-refunded { background: var(--orange); }
.badge-pending { background: #999; }

.section-title { color: var(--green-dark); margin-top: 40px; }

footer {
    background: var(--green-dark);
    color: var(--white);
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
}
footer a { color: var(--orange); font-weight: 600; }

.admin-nav { display: flex; gap: 14px; margin-bottom: 24px; flex-wrap: wrap; }
.admin-nav a {
    padding: 8px 18px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-weight: 600;
    color: var(--text-dark);
}
.admin-nav a.active, .admin-nav a:hover { background: var(--green); color: var(--white); text-decoration: none; }

.stat-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 30px; }
@media (max-width: 640px) { .stat-cards { grid-template-columns: 1fr; } }
.stat-card { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 20px; text-align: center; }
.stat-card .num { font-size: 1.8em; font-weight: 700; color: var(--green-dark); }
.stat-card .label { color: #666; font-size: 0.9em; }

.table-wrap { overflow-x: auto; }

.loading-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(34, 51, 34, 0.85);
    align-items: center; justify-content: center;
}
.loading-box {
    background: var(--white); border-radius: 12px; padding: 36px 30px;
    max-width: 420px; width: 90%; text-align: center;
    border-top: 6px solid var(--orange);
}
.loading-box h3 { color: var(--green-dark); margin: 16px 0 8px; }
.loading-box p { margin: 6px 0; color: #444; }
.loading-box .loading-warn { color: var(--danger); font-weight: 700; margin-top: 14px; }
.spinner {
    width: 56px; height: 56px; margin: 0 auto;
    border: 6px solid var(--border); border-top-color: var(--green);
    border-radius: 50%; animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }