:root {
    --bg1: #1c2028;
    --bg2: #2a3040;
    --card: rgba(42, 48, 64, 0.75);
    --entry: rgba(255, 255, 255, 0.06);
    --entry-border: rgba(255, 255, 255, 0.08);
    --text: #eef0f5;
    --text2: #9aa3b5;
    --accent: linear-gradient(135deg, #ffb37a, #ff8a5c);
    --accent-solid: #ff9a63;
    --accent-2: #4f8cff;
    --danger: #ff5c5c;
    --success: #4fd28e;
    --radius: 14px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: radial-gradient(circle at 10% 10%, #3a2a22 0%, transparent 35%),
                radial-gradient(circle at 90% 100%, #1c2a4a 0%, transparent 45%),
                linear-gradient(160deg, var(--bg1), var(--bg2));
    color: var(--text);
    display: flex;
    justify-content: center;
    padding: 40px 16px;
}

a { color: inherit; }

.page {
    width: 100%;
    max-width: 640px;
}

.wide { max-width: 1100px; }

.back-link {
    font-size: 13px;
    color: var(--text2);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 18px;
}
.back-link:hover { color: var(--text); }

.card {
    background: var(--card);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 32px;
    backdrop-filter: blur(18px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

h1 { font-size: 26px; margin: 0 0 6px; text-align: center; }
.subtitle { text-align: center; color: var(--text2); font-size: 14px; margin: 0 0 28px; }

label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 8px; }

.field { margin-bottom: 22px; }

input[type=text], input[type=number], input[type=password], input[type=email], select, textarea {
    width: 100%;
    background: var(--entry);
    border: 1px solid var(--entry-border);
    border-radius: 10px;
    color: var(--text);
    font-size: 15px;
    padding: 13px 15px;
    outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent-2); }
input[readonly] { opacity: 0.6; }

.hint-link { color: var(--accent-solid); text-decoration: none; font-size: 13px; }

.preview-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--entry);
    border: 1px solid var(--entry-border);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 24px;
}
.preview-box .amount { font-size: 20px; font-weight: 700; }
.preview-box .note { font-size: 12px; color: var(--text2); margin-top: 2px; }

.methods-label { font-size: 12px; letter-spacing: .06em; color: var(--text2); margin-bottom: 10px; }

.methods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 24px;
}
.method {
    height: 56px;
    border-radius: 10px;
    background: var(--entry);
    border: 1px solid var(--entry-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: default;
}

.btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 15px;
    border-radius: 10px;
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    color: #201305;
    background: var(--accent);
    text-decoration: none;
}
.btn:hover { filter: brightness(1.05); }
.btn.secondary {
    background: var(--entry);
    color: var(--text);
    border: 1px solid var(--entry-border);
}
.btn.small { padding: 8px 14px; font-size: 13px; width: auto; display: inline-block; }
.btn.danger { background: var(--danger); color: #fff; }

.error-box {
    background: rgba(255, 92, 92, 0.15);
    border: 1px solid rgba(255, 92, 92, 0.4);
    color: #ffb3b3;
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}
.ok-box {
    background: rgba(79, 210, 150, 0.15);
    border: 1px solid rgba(79, 210, 150, 0.4);
    color: #a8f0cf;
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* ===== Каталог / карточки товаров ===== */
.pkg-list { display: grid; gap: 12px; margin-top: 20px; }
.pkg-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--entry);
    border: 1px solid var(--entry-border);
    border-radius: 10px;
    padding: 16px 18px;
}
.pkg-row .name { font-weight: 600; }
.pkg-row .desc { font-size: 13px; color: var(--text2); margin-top: 4px; }
.pkg-row .price { font-weight: 700; color: var(--accent-solid); white-space: nowrap; margin-left: 16px; }

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
.balance-pill {
    background: var(--entry);
    border: 1px solid var(--entry-border);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
}

/* ===== Админка ===== */
.admin-shell { display: flex; gap: 24px; width: 100%; max-width: 1200px; align-items: flex-start; }
.admin-nav {
    width: 220px;
    flex-shrink: 0;
    background: var(--card);
    border-radius: var(--radius);
    padding: 18px;
    border: 1px solid rgba(255,255,255,0.06);
}
.admin-nav .logo { font-weight: 700; font-size: 18px; margin-bottom: 18px; padding: 0 6px; }
.admin-nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text2);
    font-size: 14px;
    margin-bottom: 2px;
}
.admin-nav a.active, .admin-nav a:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.admin-content { flex: 1; min-width: 0; }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
.stat-card {
    background: var(--card);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 18px;
}
.stat-card .value { font-size: 24px; font-weight: 700; }
.stat-card .label { font-size: 12px; color: var(--text2); margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,0.06); }
th { color: var(--text2); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge { display: inline-block; padding: 3px 9px; border-radius: 6px; font-size: 12px; }
.badge.active { background: rgba(79,210,150,0.15); color: #a8f0cf; }
.badge.revoked, .badge.off { background: rgba(255,92,92,0.15); color: #ffb3b3; }
.badge.expired { background: rgba(255,200,90,0.15); color: #ffdca0; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 12px; }
.toolbar h1 { text-align: left; font-size: 20px; margin: 0; }
.toolbar form { display: flex; gap: 8px; }
.toolbar input[type=text] { width: 240px; padding: 9px 12px; }

.grid-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 10px; }
.grid-form .full { grid-column: 1 / -1; }
.grid-form label { margin-bottom: 6px; }

.section { background: var(--card); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; padding: 22px; margin-bottom: 20px; }
.section h2 { font-size: 16px; margin: 0 0 16px; }

.inline-form { display: flex; gap: 8px; align-items: center; }
.muted { color: var(--text2); font-size: 13px; }
.copy-field { display: flex; gap: 8px; }
.copy-field input { flex: 1; }