:root {
    --bg: #282828;
    --bg-card: #3c3836;
    --fg: #ebdbb2;
    --fg-dim: #a89984;
    --primary: #d79921;
    --primary-hover: #fabd2f;
    --error: #cc241d;
    --border: #504945;
}

* { box-sizing: border-box; }

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 40px 20px;
    line-height: 1.5;
}

.container { max-width: 600px; margin: 0 auto; }

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}
header h1 { margin: 0; font-size: 1.8rem; color: var(--primary); }

.card {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: 6px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
h2 { margin-top: 0; color: var(--fg); }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--fg-dim); font-size: 0.95rem; }

input[type="text"], input[type="password"], input[type="number"], select, input[type="file"] {
    width: 100%;
    padding: 12px;
    background-color: var(--bg);
    border: 1px solid var(--border);
    color: var(--fg);
    border-radius: 4px;
}
input:focus, select:focus { outline: none; border-color: var(--primary); }

.btn {
    background-color: var(--primary);
    color: var(--bg);
    border: none;
    padding: 12px 20px;
    cursor: pointer;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s;
}
.btn:hover { background-color: var(--primary-hover); }

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-outline:hover { background-color: var(--primary); color: var(--bg); }

.alert { padding: 15px; margin-bottom: 20px; border-radius: 4px; }
.error { background-color: rgba(204, 36, 29, 0.1); color: #fb4934; border: 1px solid var(--error); }

ul { list-style: none; padding: 0; margin-top: 20px; }
ul li { margin-bottom: 10px; padding: 12px; background: var(--bg); border-radius: 4px; }