:root {
    --bg: #0b0e14;
    --card-bg: #131722;
    --border: #232838;
    --text: #e6e9ef;
    --muted: #8b92a5;
    --accent: #4f8cff;
    --pos: #2fbf71;
    --neg: #e5484d;
}

* { box-sizing: border-box; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
}

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-card h1 { font-size: 18px; margin: 0 0 8px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.login-card input {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--text);
    font-size: 14px;
}
.login-card button {
    background: var(--accent);
    border: none;
    border-radius: 6px;
    padding: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
}
.error { color: var(--neg); font-size: 13px; margin: 0; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 16px; margin: 0; }
.topbar-right { display: flex; gap: 16px; align-items: center; font-size: 13px; color: var(--muted); }
.topbar-right a { color: var(--accent); text-decoration: none; }

.container { max-width: 960px; margin: 0 auto; padding: 24px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.stat-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { font-size: 22px; font-weight: 600; }
.stat-value.muted { font-size: 14px; color: var(--muted); font-weight: 400; }
.stat-sub { font-size: 11px; color: var(--muted); }
.pos { color: var(--pos); }
.neg { color: var(--neg); }

.empty-state {
    background: var(--card-bg);
    border: 1px dashed var(--border);
    border-radius: 10px;
    padding: 24px;
    color: var(--muted);
    font-size: 14px;
}

.trades-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.trades-table th, .trades-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.trades-table th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; }

.success { color: var(--pos); font-size: 14px; }

.settings-form { display: flex; flex-direction: column; gap: 24px; max-width: 480px; }
.settings-form section { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.settings-form h2 { font-size: 14px; margin: 0 0 4px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.settings-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.settings-form input, .settings-form textarea {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
}
.settings-form textarea { resize: vertical; font-family: ui-monospace, monospace; }
.settings-form button {
    background: var(--accent);
    border: none;
    border-radius: 6px;
    padding: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    align-self: flex-start;
    padding-left: 20px;
    padding-right: 20px;
}
.topbar-right a { margin-right: 4px; }