:root {
    --primary-color: #f3ba2f;
    --bg-color: #121214;
    --card-bg: #1a1a1e;
    --text-color: #ffffff;
    --border-color: #2f2f35;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
}

header {
    background-color: var(--card-bg);
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.contract {
    color: var(--primary-color);
    font-family: monospace;
    background: #000;
    padding: 3px 8px;
    border-radius: 4px;
    word-break: break-all;
}

.crypto-links {
    margin-top: 15px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.crypto-links a {
    color: var(--text-color);
    text-decoration: none;
    background: #252529;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    transition: 0.3s;
}

.crypto-links a:hover {
    background: var(--primary-color);
    color: #000;
}

.container {
    display: flex;
    max-width: 1200px;
    margin: 20px auto;
    gap: 20px;
    padding: 0 15px;
    flex-direction: column;
}

@media(min-width: 768px) {
    .container { flex-direction: row; }
}

.sidebar {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feed-section {
    flex: 2;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

input, textarea {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    background: #252529;
    border: 1px solid var(--border-color);
    color: #fff;
    border-radius: 6px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    border: none;
    color: #000;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
}

button:hover { opacity: 0.9; }

.logout-btn {
    background: #ff4d4d;
    color: white;
    margin-top: 10px;
}

.hidden { display: none !important; }

.post {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    position: relative;
}

.post h4 { margin: 0 0 5px 0; color: var(--primary-color); }
.post p { margin: 0; color: #ccc; }

.delete-btn {
    background: #ff4d4d;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    width: auto;
    font-size: 12px;
    margin-top: 10px;
    cursor: pointer;
}