:root {
    --primary: #ff7a59;
    --primary-dark: #e85f3e;
    --secondary: #ffd166;
    --blue: #4dabf7;
    --green: #51cf66;
    --danger: #ff6b6b;
    --dark: #243447;
    --muted: #6c757d;
    --bg: #fff7ed;
    --card: #ffffff;
    --border: #f1d6c6;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background:
            radial-gradient(circle at top left, #ffe8cc, transparent 35%),
            radial-gradient(circle at bottom right, #d0ebff, transparent 35%),
            var(--bg);
    color: var(--dark);
}

.container {
    width: 100%;
    max-width: 760px;
    margin: auto;
    padding: 18px;
}

.hero,
.card {
    background: var(--card);
    border-radius: 24px;
    padding: 24px;
    margin: 18px 0;
    box-shadow: 0 12px 35px rgba(36, 52, 71, 0.12);
    border: 1px solid var(--border);
}

.hero {
    text-align: center;
    margin-top: 40px;
}

h1 {
    font-size: 34px;
    margin: 8px 0 12px;
}

h2 {
    margin-top: 24px;
}

p {
    line-height: 1.5;
}

.btn,
button {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 15px 22px;
    border-radius: 999px;
    text-decoration: none;
    border: none;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
    margin: 8px 4px;
    box-shadow: 0 6px 14px rgba(255, 122, 89, 0.25);
}

.btn:hover,
button:hover {
    background: var(--primary-dark);
}

.btn.secondary {
    background: var(--blue);
}

.btn.danger {
    background: var(--danger);
}

input,
select,
textarea {
    width: 100%;
    padding: 15px;
    margin: 8px 0 18px;
    font-size: 16px;
    border: 2px solid #ffe0cc;
    border-radius: 16px;
    background: #fffaf5;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
}

label {
    display: block;
    text-align: left;
    font-weight: bold;
    margin-top: 12px;
}

.error {
    background: #ffe3e3;
    color: #b00020;
    padding: 14px;
    border-radius: 16px;
    margin: 14px 0;
    font-weight: bold;
}

.success {
    background: #d3f9d8;
    color: #1b5e20;
    padding: 14px;
    border-radius: 16px;
    margin: 14px 0;
    font-weight: bold;
}

.center {
    text-align: center;
}

.hero-img {
    width: 100%;
    border-radius: 24px;
    margin-bottom: 20px;
    max-height: 280px;
    object-fit: cover;
}

.product-img {
    width: 100%;
    border-radius: 20px;
    margin: 12px 0;
    max-height: 230px;
    object-fit: cover;
}

.product-block {
    background: #fff4e6;
    border-radius: 22px;
    padding: 16px;
    margin: 18px 0;
    border: 1px dashed #ffa94d;
}

.qr {
    width: 280px;
    max-width: 100%;
    margin: 20px auto;
    display: block;
    border-radius: 12px;
}

.payment-info {
    background: #f8f9fa;
    padding: 16px;
    border-radius: 18px;
    margin: 18px 0;
    text-align: left;
}

.admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0;
}

.admin-nav .btn {
    flex: 1;
    text-align: center;
    min-width: 160px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.stat {
    background: #fff4e6;
    border-radius: 20px;
    padding: 18px;
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 28px;
    margin-bottom: 6px;
}

.table-wrap {
    overflow-x: auto;
    background: white;
    border-radius: 18px;
    box-shadow: 0 8px 25px rgba(36, 52, 71, 0.08);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid #eee;
    text-align: left;
    font-size: 14px;
}

th {
    background: #ffe8cc;
}

.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: bold;
    background: #e7f5ff;
    color: #1864ab;
}

@media (max-width: 600px) {
    .container {
        padding: 12px;
    }

    .hero,
    .card {
        padding: 18px;
        border-radius: 20px;
    }

    h1 {
        font-size: 28px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .btn,
    button {
        width: 100%;
        margin: 7px 0;
    }
}