/* =========================
   GRID
========================= */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}


/* =========================
   CARD BASE
========================= */
.card {
    display: block;
    padding: 14px 16px;

    border-radius: var(--card-radius, 10px);
    border: var(--card-border, 1px solid rgba(255,255,255,0.08));
    background: var(--card-bg, rgba(255,255,255,0.03));

    text-decoration: none;
    position: relative;

    backdrop-filter: blur(6px);

    transition:
        transform .18s ease,
        box-shadow .18s ease,
        border-color .18s ease,
        background .18s ease;

    will-change: transform;
}


/* =========================
   CARD INTERACTIONS
========================= */
.card:hover {
    transform: translateY(var(--card-lift, -3px));
    border-color: var(--card-border-hover, rgba(255,255,255,0.2));
    box-shadow: var(--card-shadow, 0 6px 18px rgba(0,0,0,0.3));

    background:
        linear-gradient(180deg, rgba(255,255,255,0.04), rgba(0,0,0,0.2));
}

.card:active {
    transform: translateY(-1px) scale(.985);
}


/* =========================
   CARD CONTENT
========================= */
.card strong {
    display: block;
    margin-bottom: 4px;
}

.card h3 {
    margin: 0 0 6px;
    font-size: 15px;
    color: #e6f2ff;
}

.card p {
    margin: 0;
    font-size: 13px;
    color: #9fb3c8;
}


/* =========================
   THEMES
========================= */

/* default */
:root {
    --card-bg: rgba(255,255,255,0.03);
    --card-border: 1px solid rgba(255,255,255,0.08);
    --card-border-hover: rgba(255,255,255,0.18);
    --card-shadow: 0 6px 18px rgba(0,0,0,0.25);
    --card-lift: -2px;
    --card-radius: 10px;
}

/* clean */
:root[data-theme="dark-clean"] {
    --card-bg: rgba(255,255,255,0.03);
    --card-border: 1px solid rgba(255,255,255,0.08);
    --card-border-hover: rgba(255,255,255,0.18);
    --card-shadow: 0 6px 18px rgba(0,0,0,0.25);
    --card-lift: -2px;
}

/* soft glow */
:root[data-theme="rainbow-soft"] {
    --card-border-hover: rgba(0,255,255,0.45);
    --card-shadow: 0 0 14px rgba(0,255,255,0.25);
    --card-lift: -3px;
}

/* intense glow */
:root[data-theme="rainbow-intense"] {
    --card-border-hover: rgba(255,0,255,0.7);
    --card-shadow: 0 0 22px rgba(255,0,255,0.35);
    --card-lift: -4px;
}

/* glass mode */
:root[data-theme="glass"] {
    --card-bg: rgba(255,255,255,0.06);
    --card-border: 1px solid rgba(255,255,255,0.18);
    --card-border-hover: rgba(255,255,255,0.35);
    --card-shadow: 0 10px 30px rgba(0,0,0,0.35);
    --card-radius: 14px;
}


/* =========================
   BUTTON SYSTEM
========================= */

.actions button {
    background: #0f1720;
    color: #d1eaff;
    border: 1px solid #1e3a5f;

    padding: 8px 14px;
    font-size: 13px;
    border-radius: 6px;

    cursor: pointer;
    transition: all 0.15s ease;
}

/* hover */
.actions button:hover {
    background: #132a3d;
    border-color: #3aa0ff;
    color: #fff;
    box-shadow: 0 0 6px rgba(58,160,255,0.4);
}

/* click */
.actions button:active {
    transform: scale(0.97);
}

/* secondary */
.actions button.secondary {
    background: transparent;
    color: #8aaecf;
    border: 1px dashed #2a4d6b;
}

.actions button.secondary:hover {
    color: #cce7ff;
    border-color: #3aa0ff;
}

/* primary */
.actions button.primary {
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
    border: none;
    color: #fff;
    font-weight: 500;
}

.actions button.primary:hover {
    box-shadow: 0 0 10px rgba(37,99,235,0.6);
}