body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: radial-gradient(circle at top, #2b0d0d 0%, #120707 45%, #000000 100%);
    color: #f2d9a6;
}

.container {
    width: 95%;
    max-width: 1100px;
    margin: 30px auto;
    background: rgba(20, 10, 10, 0.92);
    border: 1px solid #6e1d1d;
    box-shadow: 0 0 20px rgba(255, 80, 0, 0.15);
    border-radius: 10px;
    padding: 20px;
}

h1, h2, h3 {
    color: #ffb347;
    text-shadow: 0 0 8px rgba(255, 140, 0, 0.25);
}

a {
    color: #ffd27f;
    text-decoration: none;
}

a:hover {
    color: #fff0b3;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #180909;
    border-bottom: 1px solid #6e1d1d;
    padding: 14px 20px;
}

.nav-left, .nav-right {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 10px 14px;
    background: linear-gradient(to bottom, #7a1c1c, #4b0f0f);
    color: #fce6b3;
    border: 1px solid #a84020;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}

.btn:hover {
    filter: brightness(1.1);
}

input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
    margin-bottom: 14px;
    border: 1px solid #6e1d1d;
    border-radius: 6px;
    background: #120707;
    color: #f2d9a6;
    box-sizing: border-box;
}

label {
    font-weight: bold;
    color: #ffcc80;
}

.form-box {
    max-width: 500px;
    margin: 0 auto;
}

.trade-card {
    background: rgba(40, 14, 14, 0.95);
    border: 1px solid #7a2a1a;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.trade-meta {
    font-size: 14px;
    color: #dcb879;
    margin-bottom: 8px;
}

.message {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-weight: bold;
}

.success {
    background: #1f3d1f;
    border: 1px solid #3d7d3d;
    color: #b7f5b7;
}

.error {
    background: #3d1b1b;
    border: 1px solid #8a2f2f;
    color: #ffb3b3;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px;
    border-bottom: 1px solid #4d1b1b;
    text-align: left;
    vertical-align: top;
}

.small {
    font-size: 13px;
    color: #c9a66b;
}