/**
 * RMGCaptcha Math Guard — Admin Base CSS
 * Clean, modern, WordPress-native design system.
 */

/* ── Design Tokens ─────────────────────────────────── */
:root {
    --rmgc-primary:       #4f46e5;
    --rmgc-primary-light: #eef2ff;
    --rmgc-primary-dark:  #3730a3;
    --rmgc-success:       #16a34a;
    --rmgc-success-light: #f0fdf4;
    --rmgc-danger:        #dc2626;
    --rmgc-danger-light:  #fef2f2;
    --rmgc-warning:       #d97706;
    --rmgc-warning-light: #fffbeb;
    --rmgc-gray-50:       #f9fafb;
    --rmgc-gray-100:      #f3f4f6;
    --rmgc-gray-200:      #e5e7eb;
    --rmgc-gray-300:      #d1d5db;
    --rmgc-gray-400:      #9ca3af;
    --rmgc-gray-500:      #6b7280;
    --rmgc-gray-700:      #374151;
    --rmgc-gray-900:      #111827;
    --rmgc-white:         #ffffff;
    --rmgc-radius-sm:     6px;
    --rmgc-radius:        10px;
    --rmgc-radius-lg:     14px;
    --rmgc-shadow-sm:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
    --rmgc-shadow:        0 4px 12px rgba(0,0,0,.07);
    --rmgc-shadow-lg:     0 8px 24px rgba(0,0,0,.1);
    --rmgc-transition:    all .2s ease;
}

/* ── Base ───────────────────────────────────────────── */
.rmgc-admin {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--rmgc-gray-700);
    line-height: 1.6;
    background: var(--rmgc-gray-50);
}

.rmgc-hidden { display: none !important; }

/* ── Spinner ────────────────────────────────────────── */
.rmgc-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--rmgc-gray-200);
    border-top-color: var(--rmgc-primary);
    border-radius: 50%;
    animation: rmgc-spin .7s linear infinite;
    vertical-align: middle;
}
@keyframes rmgc-spin { to { transform: rotate(360deg); } }

/* ── Badges ─────────────────────────────────────────── */
.rmgc-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .3px;
    text-transform: uppercase;
}
.rmgc-badge-primary { background: var(--rmgc-primary-light); color: var(--rmgc-primary); }
.rmgc-badge-success { background: var(--rmgc-success-light); color: var(--rmgc-success); }
.rmgc-badge-danger  { background: var(--rmgc-danger-light);  color: var(--rmgc-danger);  }
.rmgc-badge-warning { background: var(--rmgc-warning-light); color: var(--rmgc-warning); }

/* ── Buttons ─────────────────────────────────────────── */
.rmgc-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border-radius: var(--rmgc-radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--rmgc-transition);
    text-decoration: none;
    white-space: nowrap;
}
.rmgc-btn-primary {
    background: var(--rmgc-primary);
    color: var(--rmgc-white);
    box-shadow: 0 1px 3px rgba(79,70,229,.3);
}
.rmgc-btn-primary:hover {
    background: var(--rmgc-primary-dark);
    color: var(--rmgc-white);
    box-shadow: 0 3px 10px rgba(79,70,229,.35);
    transform: translateY(-1px);
}
.rmgc-btn-danger {
    background: var(--rmgc-white);
    color: var(--rmgc-danger);
    border-color: var(--rmgc-gray-200);
}
.rmgc-btn-danger:hover {
    background: var(--rmgc-danger-light);
    border-color: var(--rmgc-danger);
}

/* ── Alerts / Notifications ──────────────────────────── */
.rmgc-notification {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--rmgc-radius-sm);
    margin-bottom: 18px;
    font-size: 13px;
    font-weight: 500;
    animation: rmgc-slide-in .25s ease;
}
@keyframes rmgc-slide-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.rmgc-notification.success { background: var(--rmgc-success-light); color: var(--rmgc-success); border: 1px solid #bbf7d0; }
.rmgc-notification.error   { background: var(--rmgc-danger-light);  color: var(--rmgc-danger);  border: 1px solid #fecaca; }
.rmgc-notification.warning { background: var(--rmgc-warning-light); color: var(--rmgc-warning); border: 1px solid #fde68a; }

/* ── Help Page ───────────────────────────────────────── */
.rmgc-help-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}
.rmgc-help-section {
    background: var(--rmgc-white);
    padding: 22px;
    border-radius: var(--rmgc-radius);
    border: 1px solid var(--rmgc-gray-200);
    box-shadow: var(--rmgc-shadow-sm);
}
.rmgc-help-section h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--rmgc-gray-900);
    margin: 0 0 10px;
}
.rmgc-help-section p {
    color: var(--rmgc-gray-500);
    margin-bottom: 16px;
    font-size: 13px;
    line-height: 1.7;
}
.rmgc-plugin-info {
    list-style: none;
    padding: 0;
    margin: 0;
}
.rmgc-plugin-info li {
    padding: 8px 0;
    border-bottom: 1px solid var(--rmgc-gray-100);
    color: var(--rmgc-gray-500);
    font-size: 13px;
}
.rmgc-plugin-info li:last-child { border-bottom: none; }
.rmgc-plugin-info strong { color: var(--rmgc-gray-900); font-weight: 600; }

@media (max-width: 768px) {
    .rmgc-help-content { grid-template-columns: 1fr; }
}