/* ===========================
   THEME VARIABLES
   =========================== */

:root[data-theme="light"] {
    --bg: #f5f5f5;
    --panel: #ffffff;
    --text: #111;
    --text-muted: #555;
    --border: #ccc;
    --accent: #2979ff;
}

:root[data-theme="hybrid"] {
    --bg: #e5e5e5;
    --panel: #f0f0f0;
    --text: #111;
    --text-muted: #444;
    --border: #bbb;
    --accent: #2979ff;
}

:root[data-theme="dark"] {
    --bg: #121212;
    --panel: #1f1f1f;
    --text: #f0f0f0;
    --text-muted: #aaa;
    --border: #333;
    --accent: #2979ff;
}

/* ===========================
   GLOBAL STYLES
   =========================== */

body {
    background: var(--bg);
    color: var(--text);
    margin: 0;
    font-family: Arial, sans-serif;
}

.navbar {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar a {
    color: var(--text);
    margin-right: 20px;
    text-decoration: none;
}

.navbar select {
    padding: 5px;
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 20px;
    border-radius: 6px;
}

.card h3 {
    margin-top: 0;
}